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hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer 

commit e629295bd60abf4da1db85b82819ca6a4f6c1e79 upstream.

When hvs is released, there is a possibility that vsk->trans may not
be initialized to NULL, which could lead to a dangling pointer.
This issue is resolved by initializing vsk->trans to NULL.

Signed-off-by: Hyunwoo Kim <v4bel@theori.io>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://patch.msgid.link/Zys4hCj61V+mQfX2@v4bel-B760M-AORUS-ELITE-AX
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hyunwoo Kim 2024-11-06 04:36:04 -05:00 committed by Greg Kroah-Hartman
parent f7a08b2897
commit 4bdc5a62c6
1 changed files with 1 additions and 0 deletions
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1
net/vmw_vsock/hyperv_transport.c
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@ -549,6 +549,7 @@ static void hvs_destruct(struct vsock_sock *vsk)
vmbus_hvsock_device_unregister(chan);
kfree(hvs);
vsk->trans = NULL;
}
static int hvs_dgram_bind(struct vsock_sock *vsk, struct sockaddr_vm *addr)