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SEGV in ecma_gc_free_native_pointer #5152

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Qbtly opened this issue Aug 5, 2024 · 0 comments
Open

SEGV in ecma_gc_free_native_pointer #5152

Qbtly opened this issue Aug 5, 2024 · 0 comments

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@Qbtly
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Qbtly commented Aug 5, 2024

Commit ID

2dbb6f7

Build platform

Ubuntu 22.04.3

Build steps
python3 ./tools/build.py --builddir=xxx --clean --compile-flag=-fsanitize=address --compile-flag=-g --strip=off --lto=off --logging=on --line-info=on --error-message=on --stack-limit=20
Test case
var a = [ ] ;
for ( var v = 0 ; v < 256 ; v ++ ) {
        var n = Object . create ( null ) ;
        a . push ( n , a ) ;
        n = new WeakSet ( a ) ;
        n . o = [ ] ;
} T(Promise.resolve('success'))  
BigInt ( 4 ); 
Execution steps
./jerry poc.js
Output
Unhandled exception: ReferenceError: T is not defined
 0:/default/crashes/id:000033,sig:06,src:0009
AddressSanitizer:DEADLYSIGNAL
=================================================================
==2065425==ERROR: AddressSanitizer: SEGV on unknown address (pc 0x00000050c644 bp 0x0000000000c0 sp 0x7ffc795bc3b0 T0)
==2065425==The signal is caused by a READ memory access.
==2065425==Hint: this fault was caused by a dereference of a high value address (see register values below).  Disassemble the provided pc to learn which register was used.
    #0 0x50c644 in ecma_gc_free_native_pointer /jerryscript/jerry-core/ecma/base/ecma-gc.c:1311:75
    #1 0x50c644 in ecma_gc_free_property /jerryscript/jerry-core/ecma/base/ecma-gc.c:1648:7
    #2 0x50cb48 in ecma_gc_free_properties /jerryscript/jerry-core/ecma/base/ecma-gc.c:1684:7
    #3 0x50fb49 in ecma_gc_free_object /jerryscript/jerry-core/ecma/base/ecma-gc.c:2108:3
    #4 0x50fb49 in ecma_gc_run /jerryscript/jerry-core/ecma/base/ecma-gc.c:2236:5
    #5 0x55aa24 in ecma_finalize /jerryscript/jerry-core/ecma/base/ecma-init-finalize.c:83:5
    #6 0x4eb545 in jerry_cleanup /jerryscript/jerry-core/api/jerryscript.c:229:3
    #7 0x4e0b2f in main /jerryscript/jerry-main/main-desktop.c:264:3
    #8 0x7fb8baa4ed8f  (/lib/x86_64-linux-gnu/libc.so.6+0x29d8f)
    #9 0x7fb8baa4ee3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e3f)
    #10 0x427fd4 in _start (/jerryscript/0805/bin/jerry+0x427fd4)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /jerryscript/jerry-core/ecma/base/ecma-gc.c:1311:75 in ecma_gc_free_native_pointer
==2065425==ABORTING
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