Hi Kees, On Wed, Sep 19, 2012 at 05:15:46PM -0700, Kees Cook wrote: > Hi, > > Er, while this is technically Ingo's code, I've been maintaining it in > my tree for a few years now. I wasn't expecting anyone else to be > running live tests on it, though. Are you just building all the trees > on kernel.org? Yes, I've been adding git trees to my test pool (over 230 trees now). If you'd like to opt out (either the whole tree or some branches), please tell me. Thanks, Fengguang > On Wed, Sep 19, 2012 at 5:10 PM, Fengguang Wu <fengguang.wu@xxxxxxxxx> wrote: > > > > Hi Ingo, > > > > FYI, there are new compile warnings show up in > > > > tree: git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git nx-emu > > head: ba8b1415b80d18a464d91cf39a08c5ab60c65b30 > > commit: 60e9398e64beabb73af6fb0a15cc0bd52aeedbc6 [1/2] i386: NX emulation > > config: i386-randconfig-b041 (attached as .config) > > > > All error/warnings: > > > > arch/x86/kernel/traps.c: In function 'check_lazy_exec_limit': > > arch/x86/kernel/traps.c:145:3: warning: passing argument 1 of 'get_gate_vma' from incompatible pointer type [enabled by default] > > In file included from arch/x86/kernel/traps.c:34:0: > > include/linux/mm.h:1579:31: note: expected 'struct mm_struct *' but argument is of type 'struct task_struct *' > > -- > > mm/util.c: In function '__vma_link_list': > > mm/util.c:243:3: error: implicit declaration of function 'arch_add_exec_range' [-Werror=implicit-function-declaration] > > cc1: some warnings being treated as errors > > -- > > mm/mprotect.c: In function 'mprotect_fixup': > > mm/mprotect.c:156:29: warning: unused variable 'old_end' [-Wunused-variable] > > > > vim +145 arch/x86/kernel/traps.c > > 135 if (current->mm == NULL) > > 136 return 0; > > 137 > > 138 limit = -1UL; > > 139 if (current->mm->context.exec_limit != -1UL) { > > 140 limit = PAGE_SIZE; > > 141 spin_lock(¤t->mm->page_table_lock); > > 142 for (vma = current->mm->mmap; vma; vma = vma->vm_next) > > 143 if ((vma->vm_flags & VM_EXEC) && (vma->vm_end > limit)) > > 144 limit = vma->vm_end; > > > 145 vma = get_gate_vma(current); > > 146 if (vma && (vma->vm_flags & VM_EXEC) && (vma->vm_end > limit)) > > 147 limit = vma->vm_end; > > 148 spin_unlock(¤t->mm->page_table_lock); > > 149 if (limit >= TASK_SIZE) > > 150 limit = -1UL; > > 151 current->mm->context.exec_limit = limit; > > 152 } > > 153 set_user_cs(¤t->mm->context.user_cs, limit); > > 154 > > 155 desc1 = ¤t->mm->context.user_cs; > > > > --- > > 0-DAY kernel build testing backend Open Source Technology Centre > > Fengguang Wu, Yuanhan Liu Intel Corporation > > > > -- > Kees Cook > Chrome OS Security -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html