Assertion context_p->stack_top_uint8 == SCAN_STACK_TRY_STATEMENT || context_p->stack_top_uint8 == SCAN_STACK_CATCH_STATEMENT in scanner_scan_statement_end

[renatahodovan]

JerryScript revision

25b81c1

Build platform

Linux-5.0.0-27-generic-x86_64-with-Ubuntu-19.04-disco

Build steps

./tools/build.py --clean --debug --compile-flag=-fsanitize=address \
--compile-flag=-m32 --compile-flag=-fno-omit-frame-pointer \
--compile-flag=-fno-common --compile-flag=-g \
--strip=off --system-allocator=on --logging=on \
--linker-flag=-fuse-ld=gold --error-messages=on --profile=es2015-subset

Test case

[this?$

Output

ICE: Assertion 'context_p->stack_top_uint8 == SCAN_STACK_TRY_STATEMENT || context_p->stack_top_uint8 == SCAN_STACK_CATCH_STATEMENT' failed at jerryscript/jerry-core/parser/js/js-scanner.c(scanner_scan_statement_end):1430.
Error: ERR_FAILED_INTERNAL_ASSERTION

Backtrace

bt
(gdb) bt
#0  0xf7fd3939 in __kernel_vsyscall ()
#1  0xf77bf182 in raise () from /lib/i386-linux-gnu/libc.so.6
#2  0xf77a92b6 in abort () from /lib/i386-linux-gnu/libc.so.6
#3  0x5666f7eb in jerry_port_fatal (code=ERR_FAILED_INTERNAL_ASSERTION)
    at jerryscript/jerry-port/default/default-fatal.c:71
#4  0x565d7aa0 in jerry_fatal (code=ERR_FAILED_INTERNAL_ASSERTION) at jerryscript/jerry-core/jrt/jrt-fatals.c:58
#5  0x565d7ae1 in jerry_assert_fail (
    assertion=0x5669e1c0 "context_p->stack_top_uint8 == SCAN_STACK_TRY_STATEMENT || context_p->stack_top_uint8 == SCAN_STACK_CATCH_STATEMENT", file=0x5669df20 "jerryscript/jerry-core/parser/js/js-scanner.c", 
    function=0x5669e560 <__func__.4162> "scanner_scan_statement_end", line=1430)
    at jerryscript/jerry-core/jrt/jrt-fatals.c:82
#6  0x565f0d21 in scanner_scan_statement_end (context_p=0xffffc750, scanner_context_p=0xffffc620, type=LEXER_EOS)
    at jerryscript/jerry-core/parser/js/js-scanner.c:1429
#7  0x565f1e70 in scanner_scan_all (context_p=0xffffc750, arg_list_p=0x0, arg_list_end_p=0x0, source_p=0x566e9b40 <buffer> "[this?$", 
    source_end_p=0x566e9b47 <buffer+7> "") at jerryscript/jerry-core/parser/js/js-scanner.c:1720
#8  0x565e7210 in parser_parse_source (arg_list_p=0x0, arg_list_size=0, source_p=0x566e9b40 <buffer> "[this?$", source_size=7, 
    parse_opts=0, error_location_p=0xffffc960) at jerryscript/jerry-core/parser/js/js-parser.c:2470
#9  0x565ea765 in parser_parse_script (arg_list_p=0x0, arg_list_size=0, source_p=0x566e9b40 <buffer> "[this?$", source_size=7, 
    parse_opts=0, bytecode_data_p=0xffffca20) at jerryscript/jerry-core/parser/js/js-parser.c:3001
#10 0x5657005e in jerry_parse (resource_name_p=0xffffd142 "test.js", resource_name_length=7, source_p=0x566e9b40 <buffer> "[this?$", 
    source_size=7, parse_opts=0) at jerryscript/jerry-core/api/jerry.c:426
#11 0x5656d05e in main (argc=3, argv=0xffffcf14) at jerryscript/jerry-main/main-unix.c:734

^{Found by Fuzzinator with grammarinator.}