On Fri, Jun 28, 2024 at 11:58:37AM GMT, Alexander Ivanov wrote:
> Ping?
>
> On 6/7/24 17:00, Alexander Ivanov wrote:
> > static void nbd_blockdev_client_closed(NBDClient *client, bool ignored)
> > {
> > nbd_client_put(client);
> > +if (nbd_server == NULL) {
> > +return;
> > +
Ping?
On 6/7/24 17:00, Alexander Ivanov wrote:
static void nbd_blockdev_client_closed(NBDClient *client, bool ignored)
{
nbd_client_put(client);
+if (nbd_server == NULL) {
+return;
+}
assert(nbd_server->connections > 0);
nbd_server->connections--;
nbd_
Hello Eric,
Do you have any ideas about the bug?
Thank you.
On 6/10/24 14:33, Eric Blake wrote:
On Sat, Jun 08, 2024 at 11:36:59AM GMT, Alexander Ivanov wrote:
There is a bug reproducer in the attachment.
Summarizing the reproducer, you are repeatedly calling QMP
nbd-server-start/nbd-server-
On 6/10/24 14:33, Eric Blake wrote:
On Sat, Jun 08, 2024 at 11:36:59AM GMT, Alexander Ivanov wrote:
There is a bug reproducer in the attachment.
Summarizing the reproducer, you are repeatedly calling QMP
nbd-server-start/nbd-server-stop on qemu as NBD server in one thread,
and repeatedly cal
On Sat, Jun 08, 2024 at 11:36:59AM GMT, Alexander Ivanov wrote:
> There is a bug reproducer in the attachment.
Summarizing the reproducer, you are repeatedly calling QMP
nbd-server-start/nbd-server-stop on qemu as NBD server in one thread,
and repeatedly calling 'qemu-nbd -L' in another, to try an
There is a bug reproducer in the attachment.
On 6/7/24 17:00, Alexander Ivanov wrote:
In some cases, the NBD server can be stopped before
nbd_blockdev_client_closed() is called, causing the nbd_server variable
to be nullified. This leads to a NULL pointer dereference when accessing
nbd_server.
In some cases, the NBD server can be stopped before
nbd_blockdev_client_closed() is called, causing the nbd_server variable
to be nullified. This leads to a NULL pointer dereference when accessing
nbd_server.
Add a NULL check for nbd_server to the nbd_blockdev_client_closed()
function to prevent N
