panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg) " failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_pag e.c", line 1248 Starting stack trace... panic(ffffffff830b3528) at panic+0x1ba sys/kern/subr_prf.c:229 __assert(ffffffff83066bb1,ffffffff82fb6cc0,4e0,ffffffff830ba4e3) at __assert+0x29 uvm_pageunwire(fffffd80063fd180) at uvm_pageunwire+0x1dd sys/uvm/uvm_page.c:1248 uvm_fault_unwire_locked(fffffd807e367160,1ccd7d53000,1ccd7f52000) at uvm_fault_unwire_locked+0x33e sys/uvm/uvm_fault.c:1695 uvm_unmap_kill_entry_withlock(fffffd807e367160,fffffd8067bce180,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1861 uvm_map_teardown(fffffd807e367160) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498 uvmspace_free(fffffd807e367160) at uvmspace_free+0xbd sys/uvm/uvm_map.c:3422 reaper(ffff80002a457958) at reaper+0x225 sys/kern/kern_exit.c:478 end trace frame: 0x0, count: 249 End of stack trace. syncing disks...set $lines = 0 set $maxwidth = 0 show panic trace show registers show proc ps show all locks show malloc show all pools machine ddbcpu 0 trace machine ddbcpu 1 trace