CVE-2025-38496 dm-bufio: fix sched in atomic context

In the Linux kernel, the following vulnerability has been resolved: dm-bufio: fix sched in atomic context If "tryverifyintasklet" is set for dm-verity, DMBUFIOCLIENTNOSLEEP is enabled for dm-bufio. However, when bufio tries to evict buffers, there is a chance to trigger scheduling in spinlockbh,...