CVE-2024-50100 USB: gadget: dummy-hcd: Fix "task hung" problem

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: dummy-hcd: Fix "task hung" problem The syzbot fuzzer has been encountering "task hung" problems ever since the dummy-hcd driver was changed to use hrtimers instead of regular timers. It turns out that the problems ar...

CVE-2024-50100

CVE-2024-50100 affects the Linux kernel USB gadget dummy-hcd driver. A change to use hrtimers introduced a mismatch between timer_pending() and hrtimer_active(), causing the URB dequeue path to miss a restarted timer and leading to usb_kill_urb() hangs. The fix adds a dedicated timer_pending flag...