syzbot

panic: pool_p_free: rttmr free list modified: page 0xfffffd806fcef000; item addr 0xfffffd806fcefee0; offset 0x10=0x82e94e90
Starting stack trace...
panic(ffffffff828d1716) at panic+0x16f sys/kern/subr_prf.c:229
pool_p_free(ffffffff82e29798,fffffd806fceff90) at pool_p_free+0x20f sys/kern/subr_pool.c:984
pool_gc_pages(0) at pool_gc_pages+0x255 sys/kern/subr_pool.c:1583
taskq_thread(ffffffff82cf33f0) at taskq_thread+0xf5 sys/kern/kern_task.c:450
end trace frame: 0x0, count: 253
End of stack trace.