CVE-2021-47598 sch_cake: do not call cake_destroy() from cake_init()

In the Linux kernel, the following vulnerability has been resolved: schcake: do not call cakedestroy from cakeinit qdiscs are not supposed to call their own destroy method from init, because core stack already does that. syzbot was able to trigger use after free: DEBUGLOCKSWARNONlock-magic != loc...

GSD-2021-1002739 sch_cake: do not call cake_destroy() from cake_init()

schcake: do not call cakedestroy from cakeinit 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 v5.15.11 by commit...