tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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bug1502886.js (828B)

      1 newGlobal({newCompartment: true});
      2 g = newGlobal({newCompartment: true});
      3 var dbg = Debugger(g);
      4 gczeal(2, 100);
      5 function f(x, initFunc) {
      6    newGlobal({newCompartment: true});
      7    g.eval(`
      8        var binary = wasmTextToBinary('${x}');
      9        new WebAssembly.Instance(new WebAssembly.Module(binary));
     10    `);
     11    var wasmScript = dbg.findScripts().filter(s => s.format == 'wasm')[0];
     12    var offsets = wasmScript.getPossibleBreakpointOffsets();
     13    initFunc({
     14        wasmScript,
     15        breakpoints: offsets
     16    })
     17 };
     18 try {
     19    f('(module (func nop nop) (export "" (func 0)))',
     20        function({
     21            wasmScript,
     22            breakpoints
     23        }) {
     24            breakpoints.forEach(function(offset) {
     25                wasmScript.setBreakpoint(offset, s = {});
     26            });
     27        }
     28    );
     29    f();
     30 } catch (e) {}