Am 03.03.2024 um 19:55 schrieb Paul Goyette: > I have two 2TB nvme devices, configured with ``ccdconfig ccd0 64 > none /dev/dk1 /dev/dk0'' > then i mount the ccd on /mnt > and then ccdconfig -g goes boom!! > > prevented access to 0x7f7fff9e7fbc (SMAP) > ccd_info_sysctl+77 > > The instruction decode at that point is > > movl 0(%r8), %esi
That's this line: > unit = *(const int *)newp; I don't know at which point newp is validated; maybe that validation is missing in this case, although I'd expect it to be in the common sysctl infrastructure code.