kernel: blk-cgroup: fix list corruption from reorder of WRITE ->lqueued

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix list corruption from reorder of WRITE -lqueued blkcgrstatflush can be run anytime, especially when blkcgroupbiostart is being executed. If WRITE of -lqueued is re-ordered with READ of 'bisc-lnode.next' in the loop...

kernel: blk-cgroup: fix list corruption from reorder of WRITE ->lqueued

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix list corruption from reorder of WRITE -lqueued blkcgrstatflush can be run anytime, especially when blkcgroupbiostart is being executed. If WRITE of -lqueued is re-ordered with READ of 'bisc-lnode.next' in the loop...

GSD-2021-1001879 blk-cgroup: blk_cgroup_bio_start() should use irq-safe operations on blkg->iostat_cpu

blk-cgroup: blkcgroupbiostart should use irq-safe operations on blkg-iostatcpu 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 v5.14.15 by commi...