panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk
Stopped at      db_enter+0x1c:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 416507  44131      0   0x8000000          0    1  syz-executor.1
*114543  72987      0     0x14000      0x200    0  reaper
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828e2220) at panic+0x17b sys/kern/subr_prf.c:198
witness_checkorder(ffffffff82da6878,1,0) at witness_checkorder+0xdf4 witness_debugger sys/kern/subr_witness.c:2513 [inline]
witness_checkorder(ffffffff82da6878,1,0) at witness_checkorder+0xdf4 sys/kern/subr_witness.c:777
rw_enter_read(ffffffff82da6868) at rw_enter_read+0x87 sys/kern/kern_rwlock.c:112
uvmfault_lookup(ffff80002a155710,0) at uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785
uvm_fault_check(ffff80002a155710,ffff80002a155748,ffff80002a155770) at uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672
uvm_fault(ffffffff82da6788,7fbeafbc1000,0,2) at uvm_fault+0xf2 sys/uvm/uvm_fault.c:600
kpageflttrap(ffff80002a1558b0,7fbeafbc1e28) at kpageflttrap+0x238 sys/arch/amd64/amd64/trap.c:279
kerntrap(ffff80002a1558b0) at kerntrap+0xf2 sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
pmap_page_remove(fffffd80073dbd40) at pmap_page_remove+0x33d _atomic_swap_64 machine/atomic.h:117 [inline]
pmap_page_remove(fffffd80073dbd40) at pmap_page_remove+0x33d sys/arch/amd64/amd64/pmap.c:1990
uvm_anfree_list(fffffd8072cc6438,0) at uvm_anfree_list+0x98
amap_wipeout(fffffd8062285e78) at amap_wipeout+0x1af sys/uvm/uvm_amap.c:502
uvm_unmap_detach(ffff80002a155ae0,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1354
end trace frame: 0xffff80002a155b20, count: 0
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