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LibJS: Null-check current executable in VM::dump_backtrace()

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If there is no current executable (because we're in a native function
call), we shouldn't try to dereference it.
This commit is contained in:
Andreas Kling 2024-05-27 16:05:04 +02:00
parent 802af5ad9d
commit 2aab56bf71
Notes: sideshowbarker 2024-07-17 06:09:44 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/2aab56bf71
Pull-request: https://github.com/SerenityOS/serenity/pull/24461
1 changed files with 1 additions and 1 deletions
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2
Userland/Libraries/LibJS/Runtime/VM.cpp
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@ -423,7 +423,7 @@ void VM::dump_backtrace() const
{
for (ssize_t i = m_execution_context_stack.size() - 1; i >= 0; --i) {
auto& frame = m_execution_context_stack[i];
if (frame->program_counter.has_value()) {
if (frame->executable && frame->program_counter.has_value()) {
auto source_range = frame->executable->source_range_at(frame->program_counter.value()).realize();
dbgln("-> {} @ {}:{},{}", frame->function_name ? frame->function_name->utf8_string() : ""_string, source_range.filename(), source_range.start.line, source_range.start.column);
} else {