From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 22 Feb 2007 11:26:20 +0000 (+0100)
Subject: Fix crash on thread exit
X-Git-Tag: fio-1.12~30
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=19a98c4140020e82652a835faa6e0eac6173fa18

Fix crash on thread exit

If we had multiple threads, we could corrupt the heap by
freeing memory we did not alloc.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/ioengines.c b/ioengines.c
index 39433207..441f36fc 100644
--- a/ioengines.c
+++ b/ioengines.c
@@ -164,7 +164,10 @@ void close_ioengine(struct thread_data *td)
 	if (td->io_ops->dlhandle)
 		dlclose(td->io_ops->dlhandle);
 
+#if 0
+	/* we can't do this for threads, so just leak it, it's exiting */
 	free(td->io_ops);
+#endif
 	td->io_ops = NULL;
 }