panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_page.c", line 1207
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83486198) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff834c2910,ffffffff834a9764,4b7,ffffffff83417ab5) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pageunwire(ffffef800791ca80) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1206
uvm_fault_unwire_locked(ffffef806cacde70,72bb6045000,72bb6444000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790
uvm_unmap_kill_entry_withlock(ffffef806cacde70,ffffef806ca89e80,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866
uvm_map_teardown(ffffef806cacde70) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(ffffef806cacde70) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497
exit1(ffff80002a77d240,0,0,1) at exit1+0x6e6 sys/kern/kern_exit.c:259
sys_exit(ffff80002a77d240,ffff80002a87b5c0,ffff80002a87b510) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a87b5c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a87b5c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7575cc7773a0, count: 4
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb> 
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_page.c", line 1207
ddb>