panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1269
Starting stack trace...
panic(ffffffff825a7877) at panic+0x16b sys/kern/subr_prf.c:229
__assert(ffffffff8261fc9f,ffffffff82596e0f,4f5,ffffffff825cdb9c) at __assert+0x25 sys/kern/subr_prf.c:157
uvm_pageunwire(fffffd8006dd6540) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269
uvm_fault_unwire_locked(fffffd807d2b6a28,ab443498000,ab443499000) at uvm_fault_unwire_locked+0x236 sys/uvm/uvm_fault.c:1683
uvm_unmap_kill_entry_withlock(fffffd807d2b6a28,fffffd806731dd38,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925
uvm_map_teardown(fffffd807d2b6a28) at uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd807d2b6a28) at uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578
uvmspace_free(fffffd807d2b6a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513
reaper(ffff8000212337a8) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: 249
End of stack trace.