From: Jan Engelhardt <jengelh@xxxxxxxxxx> Date: Tue, 2 Dec 2008 02:41:02 +0100 (CET) > > On Tuesday 2008-12-02 01:14, David Miller wrote: > >> >> > >> >> Well, sysrq_password is in the .bss section, where as digest_password > >> >> is on the heap due to being kmalloc'ed. Maybe that makes a difference? > >> >> Someone more versed with the virtual memory layer might know. > >> > > >> >You can't use these interfaces on kernel image addresses. > >> > > >> Great :-) So what is the best way to use the SHA1 crypto algo > >> with in-kernel addresses? > > > >kmalloc and copy it there, or something like that, you just > >can't use in-kernel addresses, ever. > > > Yes, kmalloc is already used. But then, what sort of address > does kmalloc return, if not an address within kernelspace? > (usually >=0xc0000000 on standard i386) I said "kernel image" addresses are a problem, not "kernel space." And by "kernel image" I mean addresses within the confines defined by the sections of the vmlinux binary. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
