panic: trap type 4, code=0, pc=ffffffff81d7b125
Starting stack trace...
panic(ffffffff834b887b) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff8000314badf0) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
malloc(c,62,a) at malloc+0x855 sys/kern/kern_malloc.c:294
amap_splitref(fffff3806567ec70,fffff3806567e0a0,2000) at amap_splitref+0x130 amap_pp_establish sys/uvm/uvm_amap.c:858 [inline]
amap_splitref(fffff3806567ec70,fffff3806567e0a0,2000) at amap_splitref+0x130 sys/uvm/uvm_amap.c:839
uvm_map_splitentry(fffff3806d18c8b0,fffff3806567ec00,fffff3806567e030,66600790000) at uvm_map_splitentry+0x176 sys/uvm/uvm_map.c:2604
uvm_map_immutable(fffff3806d18c8b0,6660078e000,66600790000,1) at uvm_map_immutable+0x3e9 uvm_map_clip_end sys/uvm/uvm_map.c:-1 [inline]
uvm_map_immutable(fffff3806d18c8b0,6660078e000,66600790000,1) at uvm_map_immutable+0x3e9 sys/uvm/uvm_map.c:4136
syscall(ffff8000314bb190) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000314bb190) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7abbde284870, count: 248
End of stack trace.