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### Human: Refine the following lifted llvm ir, target datalayout = "e-m:e-p:64:64-i64:64-f80:128-n8:16:32:64-S128" @global_var_f = constant [3 x i8] c"%(\00" @global_var_34c = constant [21 x i8] c"Benign, fixed string\00" @global_var_10 = external constant i128 @global_var_348 = local_unnamed_addr global i32 1 define i64 @_GLOBAL_OFFSET_TABLE_.1() local_unnamed_addr { dec_label_pc_0: %0 = call i64 @__readfsqword(i64 40), !insn.addr !0 ret i64 add (i64 sub (i64 ptrtoint (i128* @global_var_10 to i64), i64 1), i64 65), !insn.addr !1 } define i64 @function_30(i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4) local_unnamed_addr { dec_label_pc_30: %0 = alloca i64 %rax.0.reg2mem = alloca i64, !insn.addr !2 %.pre-phi2.reg2mem = alloca i64*, !insn.addr !2 %1 = load i64, i64* %0 %2 = load i64, i64* %0 %3 = load i64, i64* %0 %4 = add i64 %3, -9, !insn.addr !2 %5 = inttoptr i64 %4 to i8*, !insn.addr !2 %6 = load i8, i8* %5, align 1, !insn.addr !2 %7 = trunc i64 %arg4 to i8, !insn.addr !2 %8 = add i8 %6, %7, !insn.addr !2 store i8 %8, i8* %5, align 1, !insn.addr !2 %9 = call i64 @__asm_int1(), !insn.addr !3 %10 = mul i64 %9, ptrtoint (i128* @global_var_10 to i64), !insn.addr !4 %11 = sub i64 %2, %10, !insn.addr !5 %12 = add i64 %11, ptrtoint ([3 x i8]* @global_var_f to i64), !insn.addr !6 %13 = and i64 %12, -16, !insn.addr !7 %14 = add i64 %1, -128, !insn.addr !8 %15 = inttoptr i64 %14 to i64*, !insn.addr !8 store i64 %13, i64* %15, align 8, !insn.addr !8 %16 = add i64 %11, add (i64 ptrtoint ([3 x i8]* @global_var_f to i64), i64 sub (i64 0, i64 trunc (i128 mul (i128 sext (i64 trunc (i128 udiv (i128 zext (i64 add (i64 sub (i64 ptrtoint (i128* @global_var_10 to i64), i64 1), i64 115) to i128), i128 zext (i64 ptrtoint (i128* @global_var_10 to i64) to i128)) to i64) to i128), i128 ptrtoint (i128* @global_var_10 to i128)) to i64))), !insn.addr !9 %17 = and i64 %16, -16, !insn.addr !10 %18 = add i64 %1, -120, !insn.addr !11 %19 = inttoptr i64 %18 to i64*, !insn.addr !11 store i64 %17, i64* %19, align 8, !insn.addr !11 %20 = load i32, i32* inttoptr (i64 840 to i32*), align 8, !insn.addr !12 %21 = icmp eq i32 %20, 0, !insn.addr !13 br i1 %21, label %dec_label_pc_30.dec_label_pc_a1_crit_edge, label %dec_label_pc_8c, !insn.addr !14 dec_label_pc_30.dec_label_pc_a1_crit_edge: ; preds = %dec_label_pc_30 %.pre = add i64 %1, -136, !insn.addr !15 %.pre1 = inttoptr i64 %.pre to i64*, !insn.addr !15 store i64* %.pre1, i64** %.pre-phi2.reg2mem br label %dec_label_pc_a1 dec_label_pc_8c: ; preds = %dec_label_pc_30 %22 = load i64, i64* %15, align 8, !insn.addr !16 %23 = add i64 %1, -136 %24 = inttoptr i64 %23 to i64* store i64 %22, i64* %24, align 8, !insn.addr !17 %25 = inttoptr i64 %22 to i8*, !insn.addr !18 store i8 0, i8* %25, align 1, !insn.addr !18 store i64* %24, i64** %.pre-phi2.reg2mem, !insn.addr !18 br label %dec_label_pc_a1, !insn.addr !18 dec_label_pc_a1: ; preds = %dec_label_pc_30.dec_label_pc_a1_crit_edge, %dec_label_pc_8c %.pre-phi2.reload = load i64*, i64** %.pre-phi2.reg2mem %26 = add i64 %1, -112, !insn.addr !19 %27 = call i64 @memset(i64 %26, i64 67, i64 99, i64 %arg4), !insn.addr !20 %28 = add i64 %1, -13, !insn.addr !21 %29 = inttoptr i64 %28 to i8*, !insn.addr !21 store i8 0, i8* %29, align 1, !insn.addr !21 %30 = load i64, i64* %.pre-phi2.reload, align 8, !insn.addr !15 %31 = call i64 @strncpy(i64 %30, i64 %26, i64 99, i64 %26), !insn.addr !22 %32 = load i64, i64* %.pre-phi2.reload, align 8, !insn.addr !23 %33 = add i64 %32, 99, !insn.addr !24 %34 = inttoptr i64 %33 to i8*, !insn.addr !25 store i8 0, i8* %34, align 1, !insn.addr !25 %35 = load i64, i64* %.pre-phi2.reload, align 8, !insn.addr !26 %36 = call i64 @printLine(i64 %35, i64 %26, i64 99, i64 %26), !insn.addr !27 %37 = add i64 %1, -8, !insn.addr !28 %38 = inttoptr i64 %37 to i64*, !insn.addr !28 %39 = load i64, i64* %38, align 8, !insn.addr !28 %40 = call i64 @__readfsqword(i64 40), !insn.addr !29 %41 = icmp eq i64 %39, %40, !insn.addr !29 store i64 0, i64* %rax.0.reg2mem, !insn.addr !30 br i1 %41, label %dec_label_pc_108, label %dec_label_pc_103, !insn.addr !30 dec_label_pc_103: ; preds = %dec_label_pc_a1 %42 = call i64 @__stack_chk_fail(), !insn.addr !31 store i64 %42, i64* %rax.0.reg2mem, !insn.addr !31 br label %dec_label_pc_108, !insn.addr !31 dec_label_pc_108: ; preds = %dec_label_pc_103, %dec_label_pc_a1 %rax.0.reload = load i64, i64* %rax.0.reg2mem ret i64 %rax.0.reload, !insn.addr !32 } define i64 @goodG2B1() local_unnamed_addr { dec_label_pc_10a: %0 = alloca i64 %rax.0.reg2mem = alloca i64, !insn.addr !33 %stack_var_-120 = alloca i64, align 8 %1 = load i64, i64* %0 %2 = call i64 @__readfsqword(i64 40), !insn.addr !34 %3 = call i64 @printLine(i64 ptrtoint ([21 x i8]* @global_var_34c to i64), i64 ptrtoint (i128* @global_var_10 to i64), i64 trunc (i128 urem (i128 zext (i64 add (i64 sub (i64 ptrtoint (i128* @global_var_10 to i64), i64 1), i64 115) to i128), i128 zext (i64 ptrtoint (i128* @global_var_10 to i64) to i128)) to i64), i64 ptrtoint (i128* @global_var_10 to i64)), !insn.addr !35 %4 = ptrtoint i64* %stack_var_-120 to i64, !insn.addr !36 %5 = call i64 @memset(i64 %4, i64 67, i64 99, i64 ptrtoint (i128* @global_var_10 to i64)), !insn.addr !37 %6 = call i64 @strncpy(i64 %1, i64 %4, i64 99, i64 %4), !insn.addr !38 %7 = add i64 %1, 99, !insn.addr !39 %8 = inttoptr i64 %7 to i8*, !insn.addr !40 store i8 0, i8* %8, align 1, !insn.addr !40 %9 = call i64 @printLine(i64 %1, i64 %4, i64 99, i64 %4), !insn.addr !41 %10 = call i64 @__readfsqword(i64 40), !insn.addr !42 %11 = icmp eq i64 %2, %10, !insn.addr !42 store i64 0, i64* %rax.0.reg2mem, !insn.addr !43 br i1 %11, label %dec_label_pc_220, label %dec_label_pc_21b, !insn.addr !43 dec_label_pc_21b: ; preds = %dec_label_pc_10a %12 = call i64 @__stack_chk_fail(), !insn.addr !44 store i64 %12, i64* %rax.0.reg2mem, !insn.addr !44 br label %dec_label_pc_220, !insn.addr !44 dec_label_pc_220: ; preds = %dec_label_pc_21b, %dec_label_pc_10a %rax.0.reload = load i64, i64* %rax.0.reg2mem ret i64 %rax.0.reload, !insn.addr !45 } define i64 @goodG2B2() local_unnamed_addr { dec_label_pc_222: %rax.0.reg2mem = alloca i64, !insn.addr !46 %stack_var_-144.0.reg2mem = alloca i64, !insn.addr !46 %stack_var_-120 = alloca i64, align 8 %stack_var_-152 = alloca i64, align 8 %0 = call i64 @__readfsqword(i64 40), !insn.addr !47 %1 = load i32, i32* @global_var_348, align 4, !insn.addr !48 %2 = icmp eq i32 %1, 0, !insn.addr !49 br i1 %2, label %dec_label_pc_2c3, label %dec_label_pc_2ae, !insn.addr !50 dec_label_pc_2ae: ; preds = %dec_label_pc_222 %3 = ptrtoint i64* %stack_var_-152 to i64, !insn.addr !51 %4 = add i64 %3, add (i64 ptrtoint ([3 x i8]* @global_var_f to i64), i64 add (i64 sub (i64 0, i64 trunc (i128 mul (i128 sext (i64 trunc (i128 udiv (i128 zext (i64 add (i64 sub (i64 ptrtoint (i128* @global_var_10 to i64), i64 1), i64 115) to i128), i128 zext (i64 ptrtoint (i128* @global_var_10 to i64) to i128)) to i64) to i128), i128 ptrtoint (i128* @global_var_10 to i128)) to i64)), i64 sub (i64 0, i64 trunc (i128 mul (i128 sext (i64 trunc (i128 udiv (i128 zext (i64 add (i64 sub (i64 ptrtoint (i128* @global_var_10 to i64), i64 1), i64 65) to i128), i128 zext (i64 ptrtoint (i128* @global_var_10 to i64) to i128)) to i64) to i128), i128 ptrtoint (i128* @global_var_10 to i128)) to i64)))), !insn.addr !52 %5 = and i64 %4, -16, !insn.addr !53 %6 = inttoptr i64 %5 to i8*, !insn.addr !54 store i8 0, i8* %6, align 16, !insn.addr !55 store i64 %5, i64* %stack_var_-144.0.reg2mem, !insn.addr !55 br label %dec_label_pc_2c3, !insn.addr !55 dec_label_pc_2c3: ; preds = %dec_label_pc_2ae, %dec_label_pc_222 %stack_var_-144.0.reload = load i64, i64* %stack_var_-144.0.reg2mem %7 = ptrtoint i64* %stack_var_-120 to i64, !insn.addr !56 %8 = call i64 @memset(i64 %7, i64 67, i64 99, i64 ptrtoint (i128* @global_var_10 to i64)), !insn.addr !57 %9 = call i64 @strncpy(i64 %stack_var_-144.0.reload, i64 %7, i64 99, i64 %7), !insn.addr !58 %10 = add i64 %stack_var_-144.0.reload, 99, !insn.addr !59 %11 = inttoptr i64 %10 to i8*, !insn.addr !60 store i8 0, i8* %11, align 1, !insn.addr !60 %12 = call i64 @printLine(i64 %stack_var_-144.0.reload, i64 %7, i64 99, i64 %7), !insn.addr !61 %13 = call i64 @__readfsqword(i64 40), !insn.addr !62 %14 = icmp eq i64 %0, %13, !insn.addr !62 store i64 0, i64* %rax.0.reg2mem, !insn.addr !63 br i1 %14, label %dec_label_pc_32a, label %dec_label_pc_325, !insn.addr !63 dec_label_pc_325: ; preds = %dec_label_pc_2c3 %15 = call i64 @__stack_chk_fail(), !insn.addr !64 store i64 %15, i64* %rax.0.reg2mem, !insn.addr !64 br label %dec_label_pc_32a, !insn.addr !64 dec_label_pc_32a: ; preds = %dec_label_pc_325, %dec_label_pc_2c3 %rax.0.reload = load i64, i64* %rax.0.reg2mem ret i64 %rax.0.reload, !insn.addr !65 } define i64 @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_alloca_ncpy_05_good() local_unnamed_addr { dec_label_pc_32c: %0 = call i64 @goodG2B1(), !insn.addr !66 %1 = call i64 @goodG2B2(), !insn.addr !67 ret i64 %1, !insn.addr !68 } declare i64 @memset(i64, i64, i64, i64) local_unnamed_addr declare i64 @strncpy(i64, i64, i64, i64) local_unnamed_addr declare i64 @printLine(i64, i64, i64, i64) local_unnamed_addr declare i64 @__stack_chk_fail() local_unnamed_addr declare i64 @__asm_int1() local_unnamed_addr declare i64 @__readfsqword(i64) local_unnamed_addr !0 = !{i64 11} !1 = !{i64 35} !2 = !{i64 48} !3 = !{i64 51} !4 = !{i64 52} !5 = !{i64 56} !6 = !{i64 62} !7 = !{i64 66} !8 = !{i64 74} !9 = !{i64 114} !10 = !{i64 118} !11 = !{i64 126} !12 = !{i64 130} !13 = !{i64 136} !14 = !{i64 138} !15 = !{i64 191} !16 = !{i64 140} !17 = !{i64 144} !18 = !{i64 158} !19 = !{i64 161} !20 = !{i64 178} !21 = !{i64 183} !22 = !{i64 209} !23 = !{i64 214} !24 = !{i64 221} !25 = !{i64 225} !26 = !{i64 228} !27 = !{i64 238} !28 = !{i64 244} !29 = !{i64 248} !30 = !{i64 257} !31 = !{i64 259} !32 = !{i64 265} !33 = !{i64 266} !34 = !{i64 277} !35 = !{i64 413} !36 = !{i64 455} !37 = !{i64 458} !38 = !{i64 489} !39 = !{i64 501} !40 = !{i64 505} !41 = !{i64 518} !42 = !{i64 528} !43 = !{i64 537} !44 = !{i64 539} !45 = !{i64 545} !46 = !{i64 546} !47 = !{i64 557} !48 = !{i64 676} !49 = !{i64 682} !50 = !{i64 684} !51 = !{i64 550} !52 = !{i64 660} !53 = !{i64 664} !54 = !{i64 672} !55 = !{i64 704} !56 = !{i64 721} !57 = !{i64 724} !58 = !{i64 755} !59 = !{i64 767} !60 = !{i64 771} !61 = !{i64 784} !62 = !{i64 794} !63 = !{i64 803} !64 = !{i64 805} !65 = !{i64 811} !66 = !{i64 821} !67 = !{i64 831} !68 = !{i64 838} ### Assistant: @staticTrue = internal global i32 1, align 4 @staticFalse = internal global i32 0, align 4 @.str = private unnamed_addr constant [21 x i8] c"Benign, fixed string\00", align 1 ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_alloca_ncpy_05_bad() #0 { entry: %data = alloca i8*, align 8 %dataBadBuffer = alloca i8*, align 8 %dataGoodBuffer = alloca i8*, align 8 %source = alloca [100 x i8], align 16 %0 = alloca i8, i64 50, align 16 store i8* %0, i8** %dataBadBuffer, align 8 %1 = alloca i8, i64 100, align 16 store i8* %1, i8** %dataGoodBuffer, align 8 %2 = load i32, i32* @staticTrue, align 4 %tobool = icmp ne i32 %2, 0 br i1 %tobool, label %if.then, label %if.end if.then: ; preds = %entry %3 = load i8*, i8** %dataBadBuffer, align 8 store i8* %3, i8** %data, align 8 %4 = load i8*, i8** %data, align 8 %arrayidx = getelementptr inbounds i8, i8* %4, i64 0 store i8 0, i8* %arrayidx, align 1 br label %if.end if.end: ; preds = %if.then, %entry %arraydecay = getelementptr inbounds [100 x i8], [100 x i8]* %source, i64 0, i64 0 call void @llvm.memset.p0i8.i64(i8* align 16 %arraydecay, i8 67, i64 99, i1 false) %arrayidx1 = getelementptr inbounds [100 x i8], [100 x i8]* %source, i64 0, i64 99 store i8 0, i8* %arrayidx1, align 1 %5 = load i8*, i8** %data, align 8 %arraydecay2 = getelementptr inbounds [100 x i8], [100 x i8]* %source, i64 0, i64 0 %call = call i8* @strncpy(i8* %5, i8* %arraydecay2, i64 99) #4 %6 = load i8*, i8** %data, align 8 %arrayidx3 = getelementptr inbounds i8, i8* %6, i64 99 store i8 0, i8* %arrayidx3, align 1 %7 = load i8*, i8** %data, align 8 call void @printLine(i8* %7) ret void } ; Function Attrs: argmemonly nounwind willreturn writeonly declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #1 ; Function Attrs: nounwind declare dso_local i8* @strncpy(i8*, i8*, i64) #2 declare dso_local void @printLine(i8*) #3 ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_alloca_ncpy_05_good() #0 { entry: call void @goodG2B1() call void @goodG2B2() ret void } ; Function Attrs: noinline nounwind optnone uwtable define internal void @goodG2B1() #0 { entry: %data = alloca i8*, align 8 %dataBadBuffer = alloca i8*, align 8 %dataGoodBuffer = alloca i8*, align 8 %source = alloca [100 x i8], align 16 %0 = alloca i8, i64 50, align 16 store i8* %0, i8** %dataBadBuffer, align 8 %1 = alloca i8, i64 100, align 16 store i8* %1, i8** %dataGoodBuffer, align 8 %2 = load i32, i32* @staticFalse, align 4 %tobool = icmp ne i32 %2, 0 br i1 %tobool, label %if.then, label %if.else if.then: ; preds = %entry call void @printLine(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0)) br label %if.end if.else: ; preds = %entry %3 = load i8*, i8** %dataGoodBuffer, align 8 store i8* %3, i8** %data, align 8 %4 = load i8*, i8** %data, align 8 %arrayidx = getelementptr inbounds i8, i8* %4, i64 0 store i8 0, i8* %arrayidx, align 1 br label %if.end if.end: ; preds = %if.else, %if.then %arraydecay = getelementptr inbounds [100 x i8], [100 x i8]* %source, i64 0, i64 0 call void @llvm.memset.p0i8.i64(i8* align 16 %arraydecay, i8 67, i64 99, i1 false) %arrayidx1 = getelementptr inbounds [100 x i8], [100 x i8]* %source, i64 0, i64 99 store i8 0, i8* %arrayidx1, align 1 %5 = load i8*, i8** %data, align 8 %arraydecay2 = getelementptr inbounds [100 x i8], [100 x i8]* %source, i64 0, i64 0 %call = call i8* @strncpy(i8* %5, i8* %arraydecay2, i64 99) #4 %6 = load i8*, i8** %data, align 8 %arrayidx3 = getelementptr inbounds i8, i8* %6, i64 99 store i8 0, i8* %arrayidx3, align 1 %7 = load i8*, i8** %data, align 8 call void @printLine(i8* %7) ret void } ; Function Attrs: noinline nounwind optnone uwtable define internal void @goodG2B2() #0 { entry: %data = alloca i8*, align 8 %dataBadBuffer = alloca i8*, align 8 %dataGoodBuffer = alloca i8*, align 8 %source = alloca [100 x i8], align 16 %0 = alloca i8, i64 50, align 16 store i8* %0, i8** %dataBadBuffer, align 8 %1 = alloca i8, i64 100, align 16 store i8* %1, i8** %dataGoodBuffer, align 8 %2 = load i32, i32* @staticTrue, align 4 %tobool = icmp ne i32 %2, 0 br i1 %tobool, label %if.then, label %if.end if.then: ; preds = %entry %3 = load i8*, i8** %dataGoodBuffer, align 8 store i8* %3, i8** %data, align 8 %4 = load i8*, i8** %data, align 8 %arrayidx = getelementptr inbounds i8, i8* %4, i64 0 store i8 0, i8* %arrayidx, align 1 br label %if.end if.end: ; preds = %if.then, %entry %arraydecay = getelementptr inbounds [100 x i8], [100 x i8]* %source, i64 0, i64 0 call void @llvm.memset.p0i8.i64(i8* align 16 %arraydecay, i8 67, i64 99, i1 false) %arrayidx1 = getelementptr inbounds [100 x i8], [100 x i8]* %source, i64 0, i64 99 store i8 0, i8* %arrayidx1, align 1 %5 = load i8*, i8** %data, align 8 %arraydecay2 = getelementptr inbounds [100 x i8], [100 x i8]* %source, i64 0, i64 0 %call = call i8* @strncpy(i8* %5, i8* %arraydecay2, i64 99) #4 %6 = load i8*, i8** %data, align 8 %arrayidx3 = getelementptr inbounds i8, i8* %6, i64 99 store i8 0, i8* %arrayidx3, align 1 %7 = load i8*, i8** %data, align 8 call void @printLine(i8* %7) ret void } attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { argmemonly nounwind willreturn writeonly } attributes #2 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #3 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #4 = { nounwind } !llvm.module.flags = !{!0} !llvm.ident = !{!1} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{!"clang version 11.1.0"}
### Human: Refine the following lifted llvm ir, target datalayout = "e-m:e-p:64:64-i64:64-f80:128-n8:16:32:64-S128" define i64 @_GLOBAL_OFFSET_TABLE_.1(i64 %arg1) local_unnamed_addr { dec_label_pc_0: %0 = call i64 @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54c_badSink(i64 %arg1), !insn.addr !0 ret i64 %0, !insn.addr !1 } define i64 @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54b_goodG2BSink(i64 %arg1) local_unnamed_addr { dec_label_pc_1b: %0 = call i64 @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54c_goodG2BSink(i64 %arg1), !insn.addr !2 ret i64 %0, !insn.addr !3 } declare i64 @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54c_badSink(i64) local_unnamed_addr declare i64 @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54c_goodG2BSink(i64) local_unnamed_addr !0 = !{i64 19} !1 = !{i64 26} !2 = !{i64 46} !3 = !{i64 53} ### Assistant: ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54b_badSink(i8* %data) #0 { entry: %data.addr = alloca i8*, align 8 store i8* %data, i8** %data.addr, align 8 %0 = load i8*, i8** %data.addr, align 8 call void @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54c_badSink(i8* %0) ret void } declare dso_local void @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54c_badSink(i8*) #1 ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54b_goodG2BSink(i8* %data) #0 { entry: %data.addr = alloca i8*, align 8 store i8* %data, i8** %data.addr, align 8 %0 = load i8*, i8** %data.addr, align 8 call void @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54c_goodG2BSink(i8* %0) ret void } declare dso_local void @CWE121_Stack_Based_Buffer_Overflow__CWE805_char_declare_ncat_54c_goodG2BSink(i8*) #1 attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } !llvm.module.flags = !{!0} !llvm.ident = !{!1} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{!"clang version 11.1.0"}
### Human: Refine the following lifted llvm ir, target datalayout = "e-m:e-p:64:64-i64:64-f80:128-n8:16:32:64-S128" @global_var_f = local_unnamed_addr constant [3 x i8] c"%(\00" @global_var_220 = local_unnamed_addr global i64 0 @global_var_228 = local_unnamed_addr global i64 0 define i64 @_GLOBAL_OFFSET_TABLE_.1() local_unnamed_addr { dec_label_pc_0: %0 = call i64 @__readfsqword(i64 40), !insn.addr !0 %1 = load i64, i64* @global_var_220, align 8, !insn.addr !1 ret i64 %1, !insn.addr !2 } define i64 @function_30(i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4) local_unnamed_addr { dec_label_pc_30: %0 = alloca i64 %.reg2mem = alloca i64, !insn.addr !3 %1 = load i64, i64* %0 %2 = load i64, i64* %0 %3 = trunc i64 %2 to i8 %4 = mul i8 %3, 2, !insn.addr !3 %5 = inttoptr i64 %2 to i8*, !insn.addr !3 store i8 %4, i8* %5, align 1, !insn.addr !3 %6 = add i64 %1, -832, !insn.addr !4 %7 = inttoptr i64 %6 to i32*, !insn.addr !4 %8 = load i32, i32* %7, align 4, !insn.addr !4 %9 = zext i32 %8 to i64, !insn.addr !4 %10 = mul i64 %9, 8, !insn.addr !5 %11 = add i64 %1, -816, !insn.addr !5 %12 = add i64 %10, %11, !insn.addr !5 %13 = inttoptr i64 %12 to i32*, !insn.addr !5 store i32 0, i32* %13, align 4, !insn.addr !5 %14 = inttoptr i64 %6 to i64*, !insn.addr !6 %15 = load i64, i64* %14, align 8, !insn.addr !6 %16 = mul i64 %15, 8, !insn.addr !7 %17 = add i64 %1, -812, !insn.addr !7 %18 = add i64 %17, %16, !insn.addr !7 %19 = inttoptr i64 %18 to i32*, !insn.addr !7 store i32 0, i32* %19, align 4, !insn.addr !7 %20 = load i64, i64* %14, align 8, !insn.addr !8 %21 = add i64 %20, 1, !insn.addr !8 store i64 %21, i64* %14, align 8, !insn.addr !8 %22 = add i64 %1, -824, !insn.addr !9 %23 = inttoptr i64 %22 to i64*, !insn.addr !9 %24 = load i64, i64* %23, align 8, !insn.addr !9 %25 = call i64 @memmove(i64 %24, i64 %11, i64 800, i64 %11), !insn.addr !10 %26 = load i64, i64* %23, align 8, !insn.addr !11 %27 = call i64 @printStructLine(i64 %26), !insn.addr !12 %28 = add i64 %1, -8, !insn.addr !13 %29 = inttoptr i64 %28 to i64*, !insn.addr !13 %30 = load i64, i64* %29, align 8, !insn.addr !13 %31 = call i64 @__readfsqword(i64 40), !insn.addr !14 %32 = icmp eq i64 %31, %30, !insn.addr !14 store i64 0, i64* %.reg2mem, !insn.addr !15 br i1 %32, label %dec_label_pc_ad, label %dec_label_pc_a8, !insn.addr !15 dec_label_pc_a8: ; preds = %dec_label_pc_30 %33 = call i64 @__stack_chk_fail(), !insn.addr !16 store i64 %33, i64* %.reg2mem, !insn.addr !16 br label %dec_label_pc_ad, !insn.addr !16 dec_label_pc_ad: ; preds = %dec_label_pc_a8, %dec_label_pc_30 %.reload = load i64, i64* %.reg2mem, !insn.addr !17 ret i64 %.reload, !insn.addr !17 } define i64 @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_bad() local_unnamed_addr { dec_label_pc_af: %rax.0.reg2mem = alloca i64, !insn.addr !18 %stack_var_-824 = alloca i64, align 8 %0 = call i64 @__readfsqword(i64 40), !insn.addr !19 %1 = ptrtoint i64* %stack_var_-824 to i64, !insn.addr !20 store i64 %1, i64* @global_var_220, align 8, !insn.addr !21 %2 = call i64 @_GLOBAL_OFFSET_TABLE_.1(), !insn.addr !22 %3 = call i64 @__readfsqword(i64 40), !insn.addr !23 %4 = icmp eq i64 %0, %3, !insn.addr !23 store i64 0, i64* %rax.0.reg2mem, !insn.addr !24 br i1 %4, label %dec_label_pc_104, label %dec_label_pc_ff, !insn.addr !24 dec_label_pc_ff: ; preds = %dec_label_pc_af %5 = call i64 @__stack_chk_fail(), !insn.addr !25 store i64 %5, i64* %rax.0.reg2mem, !insn.addr !25 br label %dec_label_pc_104, !insn.addr !25 dec_label_pc_104: ; preds = %dec_label_pc_ff, %dec_label_pc_af %rax.0.reload = load i64, i64* %rax.0.reg2mem ret i64 %rax.0.reload, !insn.addr !26 } define i64 @goodG2BSink() local_unnamed_addr { dec_label_pc_106: %rax.0.reg2mem = alloca i64, !insn.addr !27 %storemerge1.reg2mem = alloca i64, !insn.addr !27 %stack_var_-824 = alloca i64, align 8 %stack_var_-8 = alloca i64, align 8 %0 = ptrtoint i64* %stack_var_-8 to i64, !insn.addr !28 %1 = call i64 @__readfsqword(i64 40), !insn.addr !29 %2 = load i64, i64* @global_var_228, align 8, !insn.addr !30 store i64 0, i64* %storemerge1.reg2mem br label %dec_label_pc_13b dec_label_pc_13b: ; preds = %dec_label_pc_13b, %dec_label_pc_106 %storemerge1.reload = load i64, i64* %storemerge1.reg2mem %3 = mul i64 %storemerge1.reload, 8, !insn.addr !31 %4 = add i64 %3, %0 %5 = add i64 %4, -816, !insn.addr !31 %6 = inttoptr i64 %5 to i32*, !insn.addr !31 store i32 0, i32* %6, align 8, !insn.addr !31 %7 = add i64 %4, -812, !insn.addr !32 %8 = inttoptr i64 %7 to i32*, !insn.addr !32 store i32 0, i32* %8, align 4, !insn.addr !32 %9 = add nuw nsw i64 %storemerge1.reload, 1, !insn.addr !33 %exitcond = icmp eq i64 %9, 100 store i64 %9, i64* %storemerge1.reg2mem, !insn.addr !34 br i1 %exitcond, label %dec_label_pc_171, label %dec_label_pc_13b, !insn.addr !34 dec_label_pc_171: ; preds = %dec_label_pc_13b %10 = ptrtoint i64* %stack_var_-824 to i64, !insn.addr !35 %11 = call i64 @memmove(i64 %2, i64 %10, i64 800, i64 %10), !insn.addr !36 %12 = call i64 @printStructLine(i64 %2), !insn.addr !37 %13 = call i64 @__readfsqword(i64 40), !insn.addr !38 %14 = icmp eq i64 %1, %13, !insn.addr !38 store i64 0, i64* %rax.0.reg2mem, !insn.addr !39 br i1 %14, label %dec_label_pc_1b3, label %dec_label_pc_1ae, !insn.addr !39 dec_label_pc_1ae: ; preds = %dec_label_pc_171 %15 = call i64 @__stack_chk_fail(), !insn.addr !40 store i64 %15, i64* %rax.0.reg2mem, !insn.addr !40 br label %dec_label_pc_1b3, !insn.addr !40 dec_label_pc_1b3: ; preds = %dec_label_pc_1ae, %dec_label_pc_171 %rax.0.reload = load i64, i64* %rax.0.reg2mem ret i64 %rax.0.reload, !insn.addr !41 } define i64 @goodG2B() local_unnamed_addr { dec_label_pc_1b5: %rax.0.reg2mem = alloca i64, !insn.addr !42 %stack_var_-824 = alloca i64, align 8 %0 = call i64 @__readfsqword(i64 40), !insn.addr !43 %1 = ptrtoint i64* %stack_var_-824 to i64, !insn.addr !44 store i64 %1, i64* @global_var_228, align 8, !insn.addr !45 %2 = call i64 @goodG2BSink(), !insn.addr !46 %3 = call i64 @__readfsqword(i64 40), !insn.addr !47 %4 = icmp eq i64 %0, %3, !insn.addr !47 store i64 0, i64* %rax.0.reg2mem, !insn.addr !48 br i1 %4, label %dec_label_pc_20a, label %dec_label_pc_205, !insn.addr !48 dec_label_pc_205: ; preds = %dec_label_pc_1b5 %5 = call i64 @__stack_chk_fail(), !insn.addr !49 store i64 %5, i64* %rax.0.reg2mem, !insn.addr !49 br label %dec_label_pc_20a, !insn.addr !49 dec_label_pc_20a: ; preds = %dec_label_pc_205, %dec_label_pc_1b5 %rax.0.reload = load i64, i64* %rax.0.reg2mem ret i64 %rax.0.reload, !insn.addr !50 } define i64 @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_good() local_unnamed_addr { dec_label_pc_20c: %0 = call i64 @goodG2B(), !insn.addr !51 ret i64 %0, !insn.addr !52 } declare i64 @memmove(i64, i64, i64, i64) local_unnamed_addr declare i64 @printStructLine(i64) local_unnamed_addr declare i64 @__stack_chk_fail() local_unnamed_addr declare i64 @__readfsqword(i64) local_unnamed_addr !0 = !{i64 11} !1 = !{i64 26} !2 = !{i64 33} !3 = !{i64 48} !4 = !{i64 54} !5 = !{i64 60} !6 = !{i64 71} !7 = !{i64 78} !8 = !{i64 89} !9 = !{i64 114} !10 = !{i64 132} !11 = !{i64 137} !12 = !{i64 147} !13 = !{i64 153} !14 = !{i64 157} !15 = !{i64 166} !16 = !{i64 168} !17 = !{i64 174} !18 = !{i64 175} !19 = !{i64 186} !20 = !{i64 208} !21 = !{i64 222} !22 = !{i64 234} !23 = !{i64 244} !24 = !{i64 253} !25 = !{i64 255} !26 = !{i64 261} !27 = !{i64 262} !28 = !{i64 263} !29 = !{i64 273} !30 = !{i64 288} !31 = !{i64 322} !32 = !{i64 340} !33 = !{i64 351} !34 = !{i64 367} !35 = !{i64 369} !36 = !{i64 394} !37 = !{i64 409} !38 = !{i64 419} !39 = !{i64 428} !40 = !{i64 430} !41 = !{i64 436} !42 = !{i64 437} !43 = !{i64 448} !44 = !{i64 470} !45 = !{i64 484} !46 = !{i64 496} !47 = !{i64 506} !48 = !{i64 515} !49 = !{i64 517} !50 = !{i64 523} !51 = !{i64 533} !52 = !{i64 540} ### Assistant: %struct._twoIntsStruct = type { i32, i32 } @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_badData = internal global %struct._twoIntsStruct* null, align 8 @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_goodG2BData = internal global %struct._twoIntsStruct* null, align 8 ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_bad() #0 { entry: %data = alloca %struct._twoIntsStruct*, align 8 %dataBadBuffer = alloca [50 x %struct._twoIntsStruct], align 16 %dataGoodBuffer = alloca [100 x %struct._twoIntsStruct], align 16 %arraydecay = getelementptr inbounds [50 x %struct._twoIntsStruct], [50 x %struct._twoIntsStruct]* %dataBadBuffer, i64 0, i64 0 store %struct._twoIntsStruct* %arraydecay, %struct._twoIntsStruct** %data, align 8 %0 = load %struct._twoIntsStruct*, %struct._twoIntsStruct** %data, align 8 store %struct._twoIntsStruct* %0, %struct._twoIntsStruct** @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_badData, align 8 call void @badSink() ret void } ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_good() #0 { entry: call void @goodG2B() ret void } ; Function Attrs: noinline nounwind optnone uwtable define internal void @badSink() #0 { entry: %data = alloca %struct._twoIntsStruct*, align 8 %source = alloca [100 x %struct._twoIntsStruct], align 16 %i = alloca i64, align 8 %0 = load %struct._twoIntsStruct*, %struct._twoIntsStruct** @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_badData, align 8 store %struct._twoIntsStruct* %0, %struct._twoIntsStruct** %data, align 8 store i64 0, i64* %i, align 8 br label %for.cond for.cond: ; preds = %for.inc, %entry %1 = load i64, i64* %i, align 8 %cmp = icmp ult i64 %1, 100 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %2 = load i64, i64* %i, align 8 %arrayidx = getelementptr inbounds [100 x %struct._twoIntsStruct], [100 x %struct._twoIntsStruct]* %source, i64 0, i64 %2 %intOne = getelementptr inbounds %struct._twoIntsStruct, %struct._twoIntsStruct* %arrayidx, i32 0, i32 0 store i32 0, i32* %intOne, align 8 %3 = load i64, i64* %i, align 8 %arrayidx1 = getelementptr inbounds [100 x %struct._twoIntsStruct], [100 x %struct._twoIntsStruct]* %source, i64 0, i64 %3 %intTwo = getelementptr inbounds %struct._twoIntsStruct, %struct._twoIntsStruct* %arrayidx1, i32 0, i32 1 store i32 0, i32* %intTwo, align 4 br label %for.inc for.inc: ; preds = %for.body %4 = load i64, i64* %i, align 8 %inc = add i64 %4, 1 store i64 %inc, i64* %i, align 8 br label %for.cond for.end: ; preds = %for.cond %5 = load %struct._twoIntsStruct*, %struct._twoIntsStruct** %data, align 8 %6 = bitcast %struct._twoIntsStruct* %5 to i8* %arraydecay = getelementptr inbounds [100 x %struct._twoIntsStruct], [100 x %struct._twoIntsStruct]* %source, i64 0, i64 0 %7 = bitcast %struct._twoIntsStruct* %arraydecay to i8* call void @llvm.memmove.p0i8.p0i8.i64(i8* align 4 %6, i8* align 16 %7, i64 800, i1 false) %8 = load %struct._twoIntsStruct*, %struct._twoIntsStruct** %data, align 8 %arrayidx2 = getelementptr inbounds %struct._twoIntsStruct, %struct._twoIntsStruct* %8, i64 0 call void @printStructLine(%struct._twoIntsStruct* %arrayidx2) ret void } ; Function Attrs: argmemonly nounwind willreturn declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1 immarg) #1 declare dso_local void @printStructLine(%struct._twoIntsStruct*) #2 ; Function Attrs: noinline nounwind optnone uwtable define internal void @goodG2B() #0 { entry: %data = alloca %struct._twoIntsStruct*, align 8 %dataBadBuffer = alloca [50 x %struct._twoIntsStruct], align 16 %dataGoodBuffer = alloca [100 x %struct._twoIntsStruct], align 16 %arraydecay = getelementptr inbounds [100 x %struct._twoIntsStruct], [100 x %struct._twoIntsStruct]* %dataGoodBuffer, i64 0, i64 0 store %struct._twoIntsStruct* %arraydecay, %struct._twoIntsStruct** %data, align 8 %0 = load %struct._twoIntsStruct*, %struct._twoIntsStruct** %data, align 8 store %struct._twoIntsStruct* %0, %struct._twoIntsStruct** @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_goodG2BData, align 8 call void @goodG2BSink() ret void } ; Function Attrs: noinline nounwind optnone uwtable define internal void @goodG2BSink() #0 { entry: %data = alloca %struct._twoIntsStruct*, align 8 %source = alloca [100 x %struct._twoIntsStruct], align 16 %i = alloca i64, align 8 %0 = load %struct._twoIntsStruct*, %struct._twoIntsStruct** @CWE121_Stack_Based_Buffer_Overflow__CWE805_struct_declare_memmove_45_goodG2BData, align 8 store %struct._twoIntsStruct* %0, %struct._twoIntsStruct** %data, align 8 store i64 0, i64* %i, align 8 br label %for.cond for.cond: ; preds = %for.inc, %entry %1 = load i64, i64* %i, align 8 %cmp = icmp ult i64 %1, 100 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %2 = load i64, i64* %i, align 8 %arrayidx = getelementptr inbounds [100 x %struct._twoIntsStruct], [100 x %struct._twoIntsStruct]* %source, i64 0, i64 %2 %intOne = getelementptr inbounds %struct._twoIntsStruct, %struct._twoIntsStruct* %arrayidx, i32 0, i32 0 store i32 0, i32* %intOne, align 8 %3 = load i64, i64* %i, align 8 %arrayidx1 = getelementptr inbounds [100 x %struct._twoIntsStruct], [100 x %struct._twoIntsStruct]* %source, i64 0, i64 %3 %intTwo = getelementptr inbounds %struct._twoIntsStruct, %struct._twoIntsStruct* %arrayidx1, i32 0, i32 1 store i32 0, i32* %intTwo, align 4 br label %for.inc for.inc: ; preds = %for.body %4 = load i64, i64* %i, align 8 %inc = add i64 %4, 1 store i64 %inc, i64* %i, align 8 br label %for.cond for.end: ; preds = %for.cond %5 = load %struct._twoIntsStruct*, %struct._twoIntsStruct** %data, align 8 %6 = bitcast %struct._twoIntsStruct* %5 to i8* %arraydecay = getelementptr inbounds [100 x %struct._twoIntsStruct], [100 x %struct._twoIntsStruct]* %source, i64 0, i64 0 %7 = bitcast %struct._twoIntsStruct* %arraydecay to i8* call void @llvm.memmove.p0i8.p0i8.i64(i8* align 4 %6, i8* align 16 %7, i64 800, i1 false) %8 = load %struct._twoIntsStruct*, %struct._twoIntsStruct** %data, align 8 %arrayidx2 = getelementptr inbounds %struct._twoIntsStruct, %struct._twoIntsStruct* %8, i64 0 call void @printStructLine(%struct._twoIntsStruct* %arrayidx2) ret void } attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { argmemonly nounwind willreturn } attributes #2 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } !llvm.module.flags = !{!0} !llvm.ident = !{!1} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{!"clang version 11.1.0"}
"### Human: Refine the following lifted llvm ir, target datalayout = \"e-m:e-p:64:64-i64:64-f80:128-(...TRUNCATED)
"### Human: Refine the following lifted llvm ir, target datalayout = \"e-m:e-p:64:64-i64:64-f80:128-(...TRUNCATED)
"### Human: Refine the following lifted llvm ir, target datalayout = \"e-m:e-p:64:64-i64:64-f80:128-(...TRUNCATED)
"### Human: Refine the following lifted llvm ir, target datalayout = \"e-m:e-p:64:64-i64:64-f80:128-(...TRUNCATED)
"### Human: Refine the following lifted llvm ir, target datalayout = \"e-m:e-p:64:64-i64:64-f80:128-(...TRUNCATED)
"### Human: Refine the following lifted llvm ir, target datalayout = \"e-m:e-p:64:64-i64:64-f80:128-(...TRUNCATED)
"### Human: Refine the following lifted llvm ir, target datalayout = \"e-m:e-p:64:64-i64:64-f80:128-(...TRUNCATED)
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