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[Qemu-devel] [PULL 4/6] sheepdog: fix NULL dereference in sd_create
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 4/6] sheepdog: fix NULL dereference in sd_create |
Date: |
Mon, 23 Jun 2014 17:31:17 +0800 |
From: Liu Yuan <address@hidden>
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>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
block/sheepdog.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 2dcc595..8d9350c 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -1756,6 +1756,7 @@ static int sd_create(const char *filename, QemuOpts *opts,
bdrv_unref(bs);
}
+ s->aio_context = qemu_get_aio_context();
ret = do_sd_create(s, &vid, 0, errp);
if (ret) {
goto out;
--
1.9.3
- [Qemu-devel] [PULL 0/6] Block patches, Stefan Hajnoczi, 2014/06/23
- [Qemu-devel] [PULL 1/6] block: m25p80: sync_page(): Deindent function body., Stefan Hajnoczi, 2014/06/23
- [Qemu-devel] [PULL 2/6] block: m25p80: Support read only bdrvs., Stefan Hajnoczi, 2014/06/23
- [Qemu-devel] [PULL 3/6] QemuOpts: check NULL opts in qemu_opt_get functions, Stefan Hajnoczi, 2014/06/23
- [Qemu-devel] [PULL 4/6] sheepdog: fix NULL dereference in sd_create,
Stefan Hajnoczi <=
- [Qemu-devel] [PULL 5/6] vl: allow other threads to do qemu_system_vmstop_request, Stefan Hajnoczi, 2014/06/23
- [Qemu-devel] [PULL 6/6] block: asynchronously stop the VM on I/O errors, Stefan Hajnoczi, 2014/06/23
- Re: [Qemu-devel] [PULL 0/6] Block patches, Peter Maydell, 2014/06/23