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[Qemu-devel] [PATCH] sheepdog: fix NULL dereference in sd_create
From: |
Liu Yuan |
Subject: |
[Qemu-devel] [PATCH] sheepdog: fix NULL dereference in sd_create |
Date: |
Tue, 17 Jun 2014 13:45:35 +0800 |
Following command
qemu-img create -f qcow2 sheepdog:test 20g
will cause core dump because aio_context is NULL in sd_create. We should
initialize it by qemu_get_aio_context() to avoid NULL dereference.
Cc: address@hidden
Cc: Kevin Wolf <address@hidden>
Cc: Stefan Hajnoczi <address@hidden>
Signed-off-by: Liu Yuan <address@hidden>
---
block/sheepdog.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 1fa1939..47a8b5a 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -1761,6 +1761,7 @@ static int sd_create(const char *filename,
QEMUOptionParameter *options,
bdrv_unref(bs);
}
+ s->aio_context = qemu_get_aio_context();
ret = do_sd_create(s, &vid, 0, errp);
if (ret) {
goto out;
--
1.8.1.2
- [Qemu-devel] [PATCH] sheepdog: fix NULL dereference in sd_create,
Liu Yuan <=