* [sashal-linux-stable-security:linux-3.12.y-security 590/1388] mm/util.c:277:3: error: implicit declaration of function 'for_each_thread'
@ 2016-09-07 18:05 kbuild test robot
2016-09-08 12:26 ` Oleg Nesterov
0 siblings, 1 reply; 2+ messages in thread
From: kbuild test robot @ 2016-09-07 18:05 UTC (permalink / raw)
To: Oleg Nesterov
Cc: kbuild-all, Sasha Levin, Andrew Morton,
Linux Memory Management List, Jiri Slaby
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Hi Oleg,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable-security.git linux-3.12.y-security
head: aac46739e3b30a5e6a0ccb2820dfde1333e9f24b
commit: 9ac1e8708f42427bffe12c0f7f0813efe730a29d [590/1388] vm_is_stack: use for_each_thread() rather then buggy while_each_thread()
config: i386-randconfig-s1-201636 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.3-14) 4.9.3
reproduce:
git checkout 9ac1e8708f42427bffe12c0f7f0813efe730a29d
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
mm/util.c: In function 'vm_is_stack':
>> mm/util.c:277:3: error: implicit declaration of function 'for_each_thread' [-Werror=implicit-function-declaration]
for_each_thread(task, t) {
^
>> mm/util.c:277:28: error: expected ';' before '{' token
for_each_thread(task, t) {
^
cc1: some warnings being treated as errors
vim +/for_each_thread +277 mm/util.c
271 return task->pid;
272
273 if (in_group) {
274 struct task_struct *t;
275
276 rcu_read_lock();
> 277 for_each_thread(task, t) {
278 if (vm_is_stack_for_task(t, vma)) {
279 ret = t->pid;
280 goto done;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [sashal-linux-stable-security:linux-3.12.y-security 590/1388] mm/util.c:277:3: error: implicit declaration of function 'for_each_thread'
2016-09-07 18:05 [sashal-linux-stable-security:linux-3.12.y-security 590/1388] mm/util.c:277:3: error: implicit declaration of function 'for_each_thread' kbuild test robot
@ 2016-09-08 12:26 ` Oleg Nesterov
0 siblings, 0 replies; 2+ messages in thread
From: Oleg Nesterov @ 2016-09-08 12:26 UTC (permalink / raw)
To: kbuild test robot
Cc: kbuild-all, Sasha Levin, Andrew Morton,
Linux Memory Management List, Jiri Slaby
On 09/08, kbuild test robot wrote:
>
> Hi Oleg,
>
> FYI, the error/warning still remains.
I guess this is because you need to backport for_each_thread first ;)
And probably a couple more commits before this one.
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable-security.git linux-3.12.y-security
> head: aac46739e3b30a5e6a0ccb2820dfde1333e9f24b
> commit: 9ac1e8708f42427bffe12c0f7f0813efe730a29d [590/1388] vm_is_stack: use for_each_thread() rather then buggy while_each_thread()
> config: i386-randconfig-s1-201636 (attached as .config)
> compiler: gcc-4.9 (Debian 4.9.3-14) 4.9.3
> reproduce:
> git checkout 9ac1e8708f42427bffe12c0f7f0813efe730a29d
> # save the attached .config to linux build tree
> make ARCH=i386
>
> All errors (new ones prefixed by >>):
>
> mm/util.c: In function 'vm_is_stack':
> >> mm/util.c:277:3: error: implicit declaration of function 'for_each_thread' [-Werror=implicit-function-declaration]
> for_each_thread(task, t) {
> ^
> >> mm/util.c:277:28: error: expected ';' before '{' token
> for_each_thread(task, t) {
> ^
> cc1: some warnings being treated as errors
>
> vim +/for_each_thread +277 mm/util.c
>
> 271 return task->pid;
> 272
> 273 if (in_group) {
> 274 struct task_struct *t;
> 275
> 276 rcu_read_lock();
> > 277 for_each_thread(task, t) {
> 278 if (vm_is_stack_for_task(t, vma)) {
> 279 ret = t->pid;
> 280 goto done;
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
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2016-09-07 18:05 [sashal-linux-stable-security:linux-3.12.y-security 590/1388] mm/util.c:277:3: error: implicit declaration of function 'for_each_thread' kbuild test robot
2016-09-08 12:26 ` Oleg Nesterov
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