panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg)" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_page.c", line 1248
Starting stack trace...
panic(ffffffff830ba82d) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff83073521,ffffffff82fc4534,4e0,ffffffff830c7f1d) at __assert+0x29
uvm_pageunwire(fffffd8006ef1580) at uvm_pageunwire+0x1dd sys/uvm/uvm_page.c:1248
uvm_fault_unwire_locked(fffffd807deef588,87c5fd39000,87c5ff38000) at uvm_fault_unwire_locked+0x33c sys/uvm/uvm_fault.c:1729
uvm_unmap_kill_entry_withlock(fffffd807deef588,fffffd806d2b8c80,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860
uvm_map_teardown(fffffd807deef588) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2496
uvmspace_free(fffffd807deef588) at uvmspace_free+0xbd sys/uvm/uvm_map.c:3420
reaper(ffff80002a457be0) at reaper+0x225 sys/kern/kern_exit.c:478
end trace frame: 0x0, count: 249
End of stack trace.