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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 21 Dec 2009 14:04:40 +0530
From:	Ritesh Raj Sarraf <rrs@...earchut.com>
To:	linux-kernel@...r.kernel.org
Subject:  2.6.33-rc1 build failure: copy_from_user() buffer size is not provably correct

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 ‘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
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
-- 
Given the large number of mailing lists I follow, I request you to CC me
in replies for quicker response

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/