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Description
When creating a Worker with a non-existent source, qjs throws a ReferenceError, but instead of exiting, it just hangs forever. I'm not familiar with the standard, but this seems like unexpected behavior.
Test case:
var worker = new os.Worker("nonexistent.js");
worker.onmessage = function (e) {};Build: CONFIG_CLANG=y make qjs
Run: ./qjs --std test.js
Git version: d378a9f
Backtrace from the hang:
reni@fuzzer1:~/work/sut/quickjs $ lldb -- ./qjs --std test.js
(lldb) target create "./qjs"
Current executable set to '/home/reni/work/sut/quickjs/qjs' (x86_64).
(lldb) settings set -- target.run-args "--std" "test.js"
(lldb) r
Process 3041495 launched: '/home/reni/work/sut/quickjs/qjs' (x86_64)
ReferenceError: could not load module filename 'nonexistent.js'
Process 3041495 stopped
* thread #1, name = 'qjs', stop reason = signal SIGSTOP
frame #0: 0x00007ffff7da463d libc.so.6`__GI___select(nfds=6, readfds=0x00007fffffffd9e0, writefds=0x00007fffffffda70, exceptfds=0x0000000000000000, timeout=0x0000000000000000) at select.c:69:11
(lldb) bt
* thread #1, name = 'qjs', stop reason = signal SIGSTOP
* frame #0: 0x00007ffff7da463d libc.so.6`__GI___select(nfds=6, readfds=0x00007fffffffd9e0, writefds=0x00007fffffffda70, exceptfds=0x0000000000000000, timeout=0x0000000000000000) at select.c:69:11
frame #1: 0x000055555560a338 qjs`js_os_poll(ctx=0x0000555555667d60) at quickjs-libc.c:2368:11
frame #2: 0x0000555555607332 qjs`js_std_loop(ctx=0x0000555555667d60) at quickjs-libc.c:3981:30
frame #3: 0x00005555555673d5 qjs`main(argc=3, argv=0x00007fffffffdf08) at qjs.c:522:9
frame #4: 0x00007ffff7cb2d90 libc.so.6`__libc_start_call_main(main=(qjs`main at qjs.c:300), argc=3, argv=0x00007fffffffdf08) at libc_start_call_main.h:58:16
frame #5: 0x00007ffff7cb2e40 libc.so.6`__libc_start_main_impl(main=(qjs`main at qjs.c:300), argc=3, argv=0x00007fffffffdf08, init=<unavailable>, fini=<unavailable>, rtld_fini=<unavailable>, stack_end=0x00007fffffffdef8) at libc-start.c:392:3
frame #6: 0x0000555555566805 qjs`_start + 37Metadata
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