Messages in this thread | | | Date | Mon, 24 Aug 1998 22:54:24 +1000 | From | Richard Gooch <> | Subject | Re: copy_from_user() fix |
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Pavel Machek writes: > Hi! > > > > Also, I still maintain there should be a mode to raise SIGSEGV > > > whenever a system call returns EFAULT. Not doing so breaks the system > > > call/library routine transparency, and lets bugs go uncaught. > > > > Thats a matter for glibc. If you wrap the glibc syscall macros to do > > a raise(SIGSEGV) then you get your desire. So its a non kernel item ;) > > Still, I think that this could be in kernel. It is faster to do here > (you can SIGSEGV it directly from pagefault handler), and IMO you > _should_ get SIGSEGV for read(0,0,1)...
??? What's wrong with EFAULT?
Regards,
Richard....
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