panic: kernel diagnostic assertion "!pmap_is_ept(pmap)" failed: file "/syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/pmap.c", line 424
Starting stack trace...
panic(ffffffff83443430) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff83482b80,ffffffff8347358f,1a8,ffffffff83442d00) at __assert+0x29 sys/kern/subr_prf.c:-1
pmap_page_remove(fffffd80082bbec0) at pmap_page_remove+0x7ad pmap_map_ptes sys/arch/amd64/amd64/pmap.c:438 [inline]
pmap_page_remove(fffffd80082bbec0) at pmap_page_remove+0x7ad sys/arch/amd64/amd64/pmap.c:1974
uvm_anfree(fffffd806e82dbf0) at uvm_anfree+0xd8 sys/uvm/uvm_anon.c:111
amap_wipeout(fffffd806f0ade78) at
amap_wipeout+0x246
uvm_unmap_detach(ffff80002a366610,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359
uvm_map_teardown(fffffd800b063000) at uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2536
exit1(ffff8000ffff34d8,43,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260
sys_exit(ffff8000ffff34d8,ffff80002a3667e0,ffff80002a366730) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a3667e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3667e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7781eb91b000, count: 246
End of stack trace.