deadlock fix

In the Linux kernel, CVE-2026-23368 is a classic example of how a seemingly small initialization change can remove a hard-to-reproduce system hang. The bug sits in the networking PHY and LED trigger interaction path, where enabling both LEDS_TRIGGER_NETDEV and LED_TRIGGER_PHY could produce an...

A pair of kernel maintainers closed a subtle but operationally important deadlock in the Linux kernel’s BPF/tracing stack: a locking inversion between the RCU trace path and the global tracing event mutex could hang a host under realistic local workloads, and the upstream remedy delegates...