Peter Oberndorfer : winedbg: Don' t try to read to invalid memory if winedbg does not find the thread.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b480668942e6687091fd4065e2f36917504b8c28
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=b480668942e6687091fd4065...

Author: Peter Oberndorfer 
Date:   Thu Sep 28 19:50:03 2006 +0200

winedbg: Don't try to read to invalid memory if winedbg does not find the thread.

---

programs/winedbg/tgt_active.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/programs/winedbg/tgt_active.c b/programs/winedbg/tgt_active.c
index af619a0..8dbca97 100644
--- a/programs/winedbg/tgt_active.c
+++ b/programs/winedbg/tgt_active.c
@@ -255,7 +255,11 @@ static DWORD dbg_handle_exception(const 
             pThread = dbg_curr_thread;
         else
             pThread = dbg_get_thread(dbg_curr_process, pThreadName->dwThreadID);
-
+        if(!pThread)
+        {
+            dbg_printf("Thread ID=0x%lx 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=0x%lx renamed using MS VC6 extension (name=="%s")\n",
                        pThread->tid, pThread->name);