Assertion 'block_found' in parser_parse_try_statement_end

[owl337]

JerryScript revision

d06c3a7

Build platform

Ubuntu 16.04.6 LTS (Linux 4.15.0-99-generic x86_64)

Build steps

python tools/build.py --profile=es2015-subset --lto=off --compile-flag=-g \
--error-messages=on --debug --compile-flag=-g --strip=off --logging=on \
--compile-flag=-fsanitize=address --stack-limit=15

Test case

var errorMessage = "toStringThrows"

var toStringThrows = {
  "foo//bar/baz//foo"
}

try {
  var obj = {};
  obj[toStringThrows] = 3;
  assert(false);
} catch (e) {
  assert(e.message == errorMessage);
}

Output

ICE: Assertion 'block_found' failed at /home/JerryScript/jerryscript/jerry-core/parser/js/js-parser-statm.c(parser_parse_try_statement_end):2003.
Error: ERR_FAILED_INTERNAL_ASSERTION
Aborted (core dumped)

Credits: This vulnerability is detected by chong from OWL337.