SEGV in parser_parse_class

[renatahodovan]

JerryScript revision

5020015 (v3.0.0)

Build platform

Ubuntu 24.04.1 LTS (Linux 6.8.0-49-generic x86_64)

Build steps

./tools/build.py --clean --debug --compile-flag=-fsanitize=address --logging=on

Test case

class log10 {
  static #finally = class {} && class {}
}

Output

AddressSanitizer:DEADLYSIGNAL
=================================================================
==2066671==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000010 (pc 0x55af03bc6dae bp 0x7ffe38ec1fa0 sp 0x7ffe38ec1ec0 T0)
==2066671==The signal is caused by a READ memory access.
==2066671==Hint: address points to the zero page.
    #0 0x55af03bc6dae in parser_parse_class /home/reni/work/sut/jerryscript/jerry-core/parser/js/js-parser-expr.c:1134
    #1 0x55af03bcc0b6 in parser_parse_unary_expression /home/reni/work/sut/jerryscript/jerry-core/parser/js/js-parser-expr.c:2244
    #2 0x55af03bd5f48 in parser_parse_expression /home/reni/work/sut/jerryscript/jerry-core/parser/js/js-parser-expr.c:4497
    #3 0x55af03bc5560 in parser_parse_class_body /home/reni/work/sut/jerryscript/jerry-core/parser/js/js-parser-expr.c:870
    #4 0x55af03bc6e17 in parser_parse_class /home/reni/work/sut/jerryscript/jerry-core/parser/js/js-parser-expr.c:1137
    #5 0x55af03be8690 in parser_parse_statements /home/reni/work/sut/jerryscript/jerry-core/parser/js/js-parser-statm.c:2787
    #6 0x55af03b111e5 in parser_parse_source /home/reni/work/sut/jerryscript/jerry-core/parser/js/js-parser.c:2280
    #7 0x55af03b16abb in parser_parse_script /home/reni/work/sut/jerryscript/jerry-core/parser/js/js-parser.c:3332
    #8 0x55af03a5566f in jerry_parse_common /home/reni/work/sut/jerryscript/jerry-core/api/jerryscript.c:413
    #9 0x55af03a559d5 in jerry_parse /home/reni/work/sut/jerryscript/jerry-core/api/jerryscript.c:481
    #10 0x55af03bf4969 in jerryx_source_parse_script /home/reni/work/sut/jerryscript/jerry-ext/util/sources.c:52
    #11 0x55af03bf4a38 in jerryx_source_exec_script /home/reni/work/sut/jerryscript/jerry-ext/util/sources.c:63
    #12 0x55af03a5160e in main /home/reni/work/sut/jerryscript/jerry-main/main-desktop.c:156
    #13 0x7fb4be82a1c9  (/lib/x86_64-linux-gnu/libc.so.6+0x2a1c9) (BuildId: 42c84c92e6f98126b3e2230ebfdead22c235b667)
    #14 0x7fb4be82a28a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a28a) (BuildId: 42c84c92e6f98126b3e2230ebfdead22c235b667)
    #15 0x55af03a50b24 in _start (/home/reni/work/sut/jerryscript/build_clean/bin/jerry+0x5bb24) (BuildId: c98d832ed4b54679a000672565db2ed2b166be89)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/reni/work/sut/jerryscript/jerry-core/parser/js/js-parser-expr.c:1134 in parser_parse_class
==2066671==ABORTING