i2c: mux: harden i2cmuxalloc() against integer overflows
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 v5.19.12 by commit 7f0dcbb0e5576b7a8232306c61334104a822ebf4, it was introduced in version v5.3 by commit 1f3b69b6b939d870c22182d29e1b357ba6c9a0ed. For more details please see the references link.