panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1248
Starting stack trace...
panic(ffffffff830e2798) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff8309ab51,ffffffff83040d77,4e0,ffffffff830f0000) at __assert+0x29
uvm_pageunwire(fffffd8007863240) at uvm_pageunwire+0x1dd sys/uvm/uvm_page.c:1248
uvm_fault_unwire_locked(fffffd806bef88a0,14898ff8000,14898ff9000) at uvm_fault_unwire_locked+0x33e sys/uvm/uvm_fault.c:1695
uvm_unmap_kill_entry_withlock(fffffd806bef88a0,fffffd806b5bf8b0,0) at uvm_unmap_kill_entry_withlock+0x86 sys/uvm/uvm_map.c:1862
uvm_map_teardown(fffffd806bef88a0) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498
uvmspace_free(fffffd806bef88a0) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422
reaper(ffff800029fd8f38) at reaper+0x246 sys/kern/kern_exit.c:477
end trace frame: 0x0, count: 249
End of stack trace.