panic: uvmspace_fork: no space in map for entry in empty map
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
* 37919  57811      0           0  0x4000000    0  syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
uvm_mapent_clone(ffff800000b68400,10000,2000,0,7,7) at uvm_mapent_clone+0x1de sys/uvm/uvm_map.c:3708
uvm_share(ffff800000b68400,0,7,fffffd803f011dd0,20800000,200000) at uvm_share+0x4b4 uvm_mapent_share sys/uvm/uvm_map.c:3767 [inline]
uvm_share(ffff800000b68400,0,7,fffffd803f011dd0,20800000,200000) at uvm_share+0x4b4 sys/uvm/uvm_map.c:3668
vm_impl_init_vmx(ffff800015945068,ffff8000ffff33d8) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1270
vm_create(ffff800000a81800,ffff8000ffff33d8) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1385 [inline]
vm_create(ffff800000a81800,ffff8000ffff33d8) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1174
VOP_IOCTL(fffffd8037794750,c5005601,ffff800000a81800,1,fffffd803f7c6ba0,ffff8000ffff33d8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
vn_ioctl(fffffd802a73f170,c5005601,ffff800000a81800,ffff8000ffff33d8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533
sys_ioctl(ffff8000ffff33d8,ffff8000175a91c8,ffff8000175a9210) at sys_ioctl+0x5b9
syscall(ffff8000175a9290) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb10340cc8e0, count: 4
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