panic: trap type 4, code=0, pc=ffffffff81a1c4b5
Starting stack trace...
panic(ffffffff834c79b8) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80002a882bd0) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
malloc(10,7f,1) at malloc+0x855 sys/kern/kern_malloc.c:294
dofilewritev(ffff80002a75c540,f8,ffff80002a882e08,0,ffff80002a882eb0) at dofilewritev+0x24f sys/kern/sys_generic.c:-1
sys_write(ffff80002a75c540,ffff80002a882f60,ffff80002a882eb0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a882f60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a882f60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a34b9ec62a0, count: 249
End of stack trace.