Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: 2.6.33-rc1 build failure: copy_from_user() buffer size is not provably correct | Date | Tue, 22 Dec 2009 09:19:09 +0900 (JST) |
| |
> On 12/21/2009 01:13 AM, Ingo Molnar wrote: > > > > * KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote: > > > >>> from mm/migrate.c:15: > >>> In function ???copy_from_user???, > >>> inlined from ???do_pages_stat??? at mm/migrate.c:1009: > >>> /tmp/all-yes-config/2.6.33-rc1/arch/x86/include/asm/uaccess_32.h:213: error: > >>> call to ???copy_from_user_overflow??? declared with attribute error: > >>> copy_from_user() buffer size is not provably correct > >> > >> afaik, ingo already queued this fix. > >> please wait (very) few days. > >> > >> thanks. > > > > hm, the one mm/migrate.c fix we had is already in -rc1: > > > > b9255850: mm: Adjust do_pages_stat() so gcc can see copy_from_user() is safe > > > > I've Cc:-ed more folks. > > > > That *is* the error report that he is describing. What version of gcc > is he using? It might be dumber than the one I have.
I was also successed build.
my environment is here:
2.6.33-rc1 CONFIG_DEBUG_STRICT_USER_COPY_CHECKS=y gcc version 4.4.2 20091027 (Red Hat 4.4.2-7) (GCC)
I'm amazing (?_?)
| |