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Kernel/SMP: Skip thread registers in core dump if there is no trap frame

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We can only get thread registers if there's a trap frame.
This commit is contained in:
Andreas Kling 2021-08-10 01:19:23 +02:00
parent 9babb92a4b
commit 364134ad4b
Notes: sideshowbarker 2024-07-18 07:10:15 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/364134ad4b3
2 changed files with 4 additions and 1 deletions
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4
Kernel/CoreDump.cpp
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@ -242,7 +242,9 @@ ByteBuffer CoreDump::create_notes_threads_data() const
ELF::Core::ThreadInfo info {};
info.header.type = ELF::Core::NotesEntryHeader::Type::ThreadInfo;
info.tid = thread.tid().value();
copy_kernel_registers_into_ptrace_registers(info.regs, thread.get_register_dump_from_stack());
if (thread.current_trap())
copy_kernel_registers_into_ptrace_registers(info.regs, thread.get_register_dump_from_stack());
entry_buff.append((void*)&info, sizeof(info));

1
Kernel/Thread.h
View file

@ -1147,6 +1147,7 @@ public:
}
TrapFrame*& current_trap() { return m_current_trap; }
TrapFrame const* const& current_trap() const { return m_current_trap; }
RecursiveSpinLock& get_lock() const { return m_lock; }