winedbg: Ensure thread->name is null-terminated.

Signed-off-by: Brendan Shanks <bshanks@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

winedbg: Ensure thread->name is null-terminated.
3c2c4437 · Brendan Shanks · Alexandre Julliard · ce07be1a · 3c2c4437
Commit 3c2c4437 authored Feb 24, 2022 by Brendan Shanks Committed by Alexandre Julliard Mar 01, 2022
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tgt_active.c programs/winedbg/tgt_active.c +5 -2

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--- a/programs/winedbg/tgt_active.c
+++ b/programs/winedbg/tgt_active.c
@@ -257,9 +257,12 @@ static DWORD dbg_handle_exception(const EXCEPTION_RECORD* rec, BOOL first_chance
            dbg_printf("Thread ID=%04lx not in our list of threads -> can't rename\n", pThreadName->dwThreadID);
            return DBG_CONTINUE;
        }
-        if (dbg_read_memory(pThreadName->szName, pThread->name, 9))
-            dbg_printf("Thread ID=%04lx renamed using MS VC6 extension (name==\"%.9s\")\n",
+        if (dbg_read_memory(pThreadName->szName, pThread->name, sizeof(pThread->name)))
+        {
+            pThread->name[sizeof(pThread->name) - 1] = '\0';
+            dbg_printf("Thread ID=%04lx renamed using MSVC extension (name==\"%s\")\n",
                       pThread->tid, pThread->name);
+        }
        return DBG_CONTINUE;
    case EXCEPTION_INVALID_HANDLE:
        return DBG_CONTINUE;