CVE-2025-39736 mm/kmemleak: avoid deadlock by moving pr_warn() outside kmemleak_lock

In the Linux kernel, the following vulnerability has been resolved: mm/kmemleak: avoid deadlock by moving prwarn outside kmemleaklock When netpoll is enabled, calling prwarnonce while holding kmemleaklock in mempoolalloc can cause a deadlock due to lock inversion with the netconsole subsystem. Th...