kernel: dm: fix mempool NULL pointer race when completing IO

In the Linux kernel, the following vulnerability has been resolved: dm: fix mempool NULL pointer race when completing IO dmiodecpending calls endioacct first and will then dec md in-flight pending count. But if a task is swapping DM table at same time this can result in a crash due to...

UVI-2021-1002078 dm: fix mempool NULL pointer race when completing IO

dm: fix mempool NULL pointer race when completing IO 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 v5.14.14 by commit...