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Segmentation Fault in release. Assertion 'context_p->source_p < context_p->source_end_p' failed in debug version #5105

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anbu1024 opened this issue Oct 18, 2023 · 0 comments
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bug Undesired behaviour fuzzing Related to fuzz testing of the engine lexer Related to the tokenizer

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@anbu1024
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jerryScript version 3.0.0:
commit 05dbbd1

Build platform:
Ubuntu 20.04

Build cmd:

python tools/build.py --debug --profile=es.next --lto=off --compile-flag=-D_POSIX_C_SOURCE=200809 --compile-flag=-Wno-strict-prototypes --stack-limit=15

Test case

var a = new Uint16Array(Uint16Array, Uint16Array);
var b = `
    var o = {
        m(apple) {
            class Foo extends b {
                
                static {}
                
                512;
                
                static #m() {}
            }
            return apple;
        },
    };
`;

for (var [...i] of b) {
    i.splice(a, i);
    
    b += i;
    
    function bar() {
        return Uint16Array;
    }
    
    try { bar.constructor(b); } catch (e) {}
}

Error message:

SEGV on ASAN version

AddressSanitizer:DEADLYSIGNAL
=================================================================
==510031==ERROR: AddressSanitizer: SEGV on unknown address 0x000000005198 (pc 0x5618574bc04b bp 0x7ffd51997c50 sp 0x7ffd51997bb0 T0)
==510031==The signal is caused by a READ memory access.

Aborted with assertion error in debug version:

ICE: Assertion 'context_p->source_p < context_p->source_end_p' failed at /media/Store/JS-engines/jerryscript/jerryscript-pure/jerry-core/parser/js/js-lexer.c(lexer_consume_next_character):1821.
Error: JERRY_FATAL_FAILED_ASSERTION
Aborted (core dumped)
@LaszloLango LaszloLango added bug Undesired behaviour fuzzing Related to fuzz testing of the engine lexer Related to the tokenizer labels Nov 22, 2024
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Labels
bug Undesired behaviour fuzzing Related to fuzz testing of the engine lexer Related to the tokenizer
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