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Memory Leak1 #6642

@bird8693

Description

@bird8693

enviroment

ubuntu 18

poc

function Check() {
    n.xyz = 2187875060;
    Pbtt = hjsN >> Pbtt;
    parseInt();
}
function Ctor() {
    n = new Set();
    n = i < 2000;
    var fwdk = delete hjsN;
    fwdk = fwdk.valueOf();
    n = new Int8Array([
        1073741822,
        1200,
        5e-324,
        n,  
        hjsN,
        759250124,
        1518500249
    ]); 
    let tmp = []; 
}
function Check() {
    n.xyz = 2187875060;
    parseInt();
    var nEdC = new Object();
}
for (var i = 0; i < 2000; ++i) {
    var fwdk = delete -2147483649;
    Ctor();
    for (var ijjkkk = 0; ijjkkk < 100000; ++ijjkkk) {
        var bBWK = -2147483649 == 5;
    }   
    var pXWf = Ctor();
}
for (var i = 0; i < 2000; ++i) {
    Check();
}
var fwdk = +1e+81;
var Pbtt = Error;
function Check() {
    n.xyz = 2187875060;
    Pbtt = hjsN >> Pbtt;
    parseInt();
}
Ctor();
var pXWf = Ctor();
var hjsN = hjsN;
let tmp = []; 
Check();
var i = 0;

asan output

==20405==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 32 byte(s) in 4 object(s) allocated from:
    #0 0x55bb034e03e8  (/root/targets/targets/ch_asan18+0x3e73e8)
    #1 0x55bb0391968f  (/root/targets/targets/ch_asan18+0x82068f)
    #2 0x55bb059f398f  (/root/targets/targets/ch_asan18+0x28fa98f)
    #3 0x55bb059f6faf  (/root/targets/targets/ch_asan18+0x28fdfaf)
    #4 0x55bb05a63fa3  (/root/targets/targets/ch_asan18+0x296afa3)
    #5 0x55bb05a6492c  (/root/targets/targets/ch_asan18+0x296b92c)
    #6 0x55bb05a5dd4c  (/root/targets/targets/ch_asan18+0x2964d4c)
    #7 0x55bb036c7027  (/root/targets/targets/ch_asan18+0x5ce027)
    #8 0x7f37459676da  (/lib/x86_64-linux-gnu/libpthread.so.0+0x76da)

Direct leak of 32 byte(s) in 4 object(s) allocated from:
    #0 0x55bb034e03e8  (/root/targets/targets/ch_asan18+0x3e73e8)
    #1 0x55bb0391968f  (/root/targets/targets/ch_asan18+0x82068f)
    #2 0x55bb059f398f  (/root/targets/targets/ch_asan18+0x28fa98f)
    #3 0x55bb059f6ff5  (/root/targets/targets/ch_asan18+0x28fdff5)
    #4 0x55bb05a63fa3  (/root/targets/targets/ch_asan18+0x296afa3)
    #5 0x55bb05a6492c  (/root/targets/targets/ch_asan18+0x296b92c)
    #6 0x55bb05a5dd4c  (/root/targets/targets/ch_asan18+0x2964d4c)
    #7 0x55bb036c7027  (/root/targets/targets/ch_asan18+0x5ce027)
    #8 0x7f37459676da  (/lib/x86_64-linux-gnu/libpthread.so.0+0x76da)

SUMMARY: AddressSanitizer: 64 byte(s) leaked in 8 allocation(s).

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