2.6.33-rc1 build failure: copy_from_user() buffer size is not provably correct

[Ritesh Raj Sarraf]

This is triggered if using the 'allyesconfig' target.

A similar issue was this: 2886a8bdfa007053b414ab01741a98c18c376a85


debian-build:/tmp/all-yes-config/2.6.33-rc1# make deb-pkg
make KBUILD_SRC=                                         
  CHK     include/linux/version.h                        
  CHK     include/generated/utsrelease.h                 
  CALL    scripts/checksyscalls.sh                       
  CHK     include/generated/compile.h                    
  VDSOSYM arch/x86/vdso/vdso32-int80-syms.lds
  VDSOSYM arch/x86/vdso/vdso32-sysenter-syms.lds
  VDSOSYM arch/x86/vdso/vdso32-syms.lds
  LD      arch/x86/vdso/built-in.o
  LD      arch/x86/built-in.o
  CC      mm/migrate.o
In file included from /tmp/all-yes-config/2.6.33-
rc1/arch/x86/include/asm/uaccess.h:571,
                 from include/linux/uaccess.h:5,
                 from include/linux/highmem.h:6,
                 from include/linux/pagemap.h:10,
                 from include/linux/mempolicy.h:62,
                 from include/linux/migrate.h:5,
                 from mm/migrate.c:15:
In function âcopy_from_userâ,
    inlined from âdo_pages_statâ at mm/migrate.c:1009:
/tmp/all-yes-config/2.6.33-rc1/arch/x86/include/asm/uaccess_32.h:213: error: 
call to âcopy_from_user_overflowâ declared with attribute error: 
copy_from_user() buffer size is not provably correct
make[3]: *** [mm/migrate.o] Error 1
make[2]: *** [mm] Error 2
make[1]: *** [deb-pkg] Error 2
make: *** [deb-pkg] Error 2


Regards,
Ritesh
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