net: 9p: fix refcount leak in p9readwork() error handling
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.2 by commit 34b9a188557c1d5a50e07cf228d054101aee0af3, it was introduced in version v4.20 by commit 728356dedeff8ef999cb436c71333ef4ac51a81c. For more details please see the references link.