From 7544b356948b9f263d07090f7c2e7032527496da Mon Sep 17 00:00:00 2001
From: Itamar <itamar8910@gmail.com>
Date: Sat, 4 Feb 2023 17:09:27 +0200
Subject: [PATCH] Kernel: Update registers in tracer when attaching to a
 stopped thread

---
 Kernel/Syscalls/ptrace.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Kernel/Syscalls/ptrace.cpp b/Kernel/Syscalls/ptrace.cpp
index 713cfcc019..1d266c30f6 100644
--- a/Kernel/Syscalls/ptrace.cpp
+++ b/Kernel/Syscalls/ptrace.cpp
@@ -56,7 +56,9 @@ static ErrorOr<FlatPtr> handle_ptrace(Kernel::Syscall::SC_ptrace_params const& p
         }
         TRY(peer_process.start_tracing_from(caller.pid()));
         SpinlockLocker lock(peer->get_lock());
-        if (peer->state() != Thread::State::Stopped) {
+        if (peer->state() == Thread::State::Stopped) {
+            peer_process.tracer()->set_regs(peer->get_register_dump_from_stack());
+        } else {
             peer->send_signal(SIGSTOP, &caller);
         }
         return 0;