On Wed, Jan 07, 2026 at 01:52:11PM +0800, 王志 wrote: > Hello, > > I am reporting an RCU stall detected during syzkaller-style fuzz testing. > The stall is reported while executing sys_mmap(), with the > rcu_preempt grace-period kthread starved for over 10 seconds. The > observed stacks involve memory fault handling, timer softirq processing, > and DRM vblank disable paths. With PREEMPT(full) enabled, the RCU grace > period fails to complete.
Get your changes into syzkaller upstream, don't spam us with "i'm doing syzbot's job".
