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* [linux-next:master 2605/2770] mm/kasan/report.c:233:2: error: implicit declaration of function 'dump_stack_lvl'; did you mean 'dump_stack'?
@ 2021-05-13  9:03 ` kernel test robot
  0 siblings, 0 replies; 7+ messages in thread
From: kernel test robot @ 2021-05-13  9:03 UTC (permalink / raw)
  To: Alexander Potapenko
  Cc: kbuild-all, Linux Memory Management List, Marco Elver, Andrew Morton

[-- Attachment #1: Type: text/plain, Size: 2489 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   ec2618180c3450d06a6a4ba951d4c9a2c689b517
commit: 9fb7170c7fba3f6099d57b3d028c500df70a9980 [2605/2770] kasan: use dump_stack_lvl(KERN_ERR) to print stacks
config: arm64-randconfig-r014-20210513 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=9fb7170c7fba3f6099d57b3d028c500df70a9980
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 9fb7170c7fba3f6099d57b3d028c500df70a9980
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   mm/kasan/report.c: In function 'print_address_description':
>> mm/kasan/report.c:233:2: error: implicit declaration of function 'dump_stack_lvl'; did you mean 'dump_stack'? [-Werror=implicit-function-declaration]
     233 |  dump_stack_lvl(KERN_ERR);
         |  ^~~~~~~~~~~~~~
         |  dump_stack
   cc1: some warnings being treated as errors


vim +233 mm/kasan/report.c

   228	
   229	static void print_address_description(void *addr, u8 tag)
   230	{
   231		struct page *page = kasan_addr_to_page(addr);
   232	
 > 233		dump_stack_lvl(KERN_ERR);
   234		pr_err("\n");
   235	
   236		if (page && PageSlab(page)) {
   237			struct kmem_cache *cache = page->slab_cache;
   238			void *object = nearest_obj(cache, page,	addr);
   239	
   240			describe_object(cache, object, addr, tag);
   241		}
   242	
   243		if (kernel_or_module_addr(addr) && !init_task_stack_addr(addr)) {
   244			pr_err("The buggy address belongs to the variable:\n");
   245			pr_err(" %pS\n", addr);
   246		}
   247	
   248		if (page) {
   249			pr_err("The buggy address belongs to the page:\n");
   250			dump_page(page, "kasan: bad access detected");
   251		}
   252	
   253		kasan_print_address_stack_frame(addr);
   254	}
   255	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 34099 bytes --]

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [linux-next:master 2605/2770] mm/kasan/report.c:233:2: error: implicit declaration of function 'dump_stack_lvl'; did you mean 'dump_stack'?
@ 2021-05-13  9:03 ` kernel test robot
  0 siblings, 0 replies; 7+ messages in thread
From: kernel test robot @ 2021-05-13  9:03 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 2553 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   ec2618180c3450d06a6a4ba951d4c9a2c689b517
commit: 9fb7170c7fba3f6099d57b3d028c500df70a9980 [2605/2770] kasan: use dump_stack_lvl(KERN_ERR) to print stacks
config: arm64-randconfig-r014-20210513 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=9fb7170c7fba3f6099d57b3d028c500df70a9980
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 9fb7170c7fba3f6099d57b3d028c500df70a9980
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   mm/kasan/report.c: In function 'print_address_description':
>> mm/kasan/report.c:233:2: error: implicit declaration of function 'dump_stack_lvl'; did you mean 'dump_stack'? [-Werror=implicit-function-declaration]
     233 |  dump_stack_lvl(KERN_ERR);
         |  ^~~~~~~~~~~~~~
         |  dump_stack
   cc1: some warnings being treated as errors


vim +233 mm/kasan/report.c

   228	
   229	static void print_address_description(void *addr, u8 tag)
   230	{
   231		struct page *page = kasan_addr_to_page(addr);
   232	
 > 233		dump_stack_lvl(KERN_ERR);
   234		pr_err("\n");
   235	
   236		if (page && PageSlab(page)) {
   237			struct kmem_cache *cache = page->slab_cache;
   238			void *object = nearest_obj(cache, page,	addr);
   239	
   240			describe_object(cache, object, addr, tag);
   241		}
   242	
   243		if (kernel_or_module_addr(addr) && !init_task_stack_addr(addr)) {
   244			pr_err("The buggy address belongs to the variable:\n");
   245			pr_err(" %pS\n", addr);
   246		}
   247	
   248		if (page) {
   249			pr_err("The buggy address belongs to the page:\n");
   250			dump_page(page, "kasan: bad access detected");
   251		}
   252	
   253		kasan_print_address_stack_frame(addr);
   254	}
   255	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 34099 bytes --]

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH] fix for "printk: introduce dump_stack_lvl()"
  2021-05-13  9:03 ` kernel test robot
@ 2021-05-13 11:14   ` Marco Elver
  -1 siblings, 0 replies; 7+ messages in thread
From: Marco Elver @ 2021-05-13 11:14 UTC (permalink / raw)
  To: Andrew Morton
  Cc: Alexander Potapenko, kbuild-all, Linux Memory Management List,
	kernel test robot, Petr Mladek, Sergey Senozhatsky,
	Steven Rostedt, John Ogness, linux-kernel

Add missing dump_stack_lvl() stub if CONFIG_PRINTK=n.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Marco Elver <elver@google.com>
---
 include/linux/printk.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/printk.h b/include/linux/printk.h
index abe274305d79..f589b8b60806 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -270,6 +270,10 @@ static inline void show_regs_print_info(const char *log_lvl)
 {
 }
 
+static inline void dump_stack_lvl(const char *log_lvl)
+{
+}
+
 static inline void dump_stack(void)
 {
 }
-- 
2.31.1.607.g51e8a6a459-goog


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH] fix for "printk: introduce dump_stack_lvl()"
@ 2021-05-13 11:14   ` Marco Elver
  0 siblings, 0 replies; 7+ messages in thread
From: Marco Elver @ 2021-05-13 11:14 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 632 bytes --]

Add missing dump_stack_lvl() stub if CONFIG_PRINTK=n.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Marco Elver <elver@google.com>
---
 include/linux/printk.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/printk.h b/include/linux/printk.h
index abe274305d79..f589b8b60806 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -270,6 +270,10 @@ static inline void show_regs_print_info(const char *log_lvl)
 {
 }
 
+static inline void dump_stack_lvl(const char *log_lvl)
+{
+}
+
 static inline void dump_stack(void)
 {
 }
-- 
2.31.1.607.g51e8a6a459-goog

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH] fix for "printk: introduce dump_stack_lvl()"
  2021-05-13 11:14   ` Marco Elver
  (?)
@ 2021-05-13 11:20     ` Alexander Potapenko
  -1 siblings, 0 replies; 7+ messages in thread
From: Alexander Potapenko @ 2021-05-13 11:20 UTC (permalink / raw)
  To: Marco Elver
  Cc: Andrew Morton, kbuild-all, Linux Memory Management List,
	kernel test robot, Petr Mladek, Sergey Senozhatsky,
	Steven Rostedt, John Ogness, LKML

On Thu, May 13, 2021 at 1:14 PM Marco Elver <elver@google.com> wrote:
>
> Add missing dump_stack_lvl() stub if CONFIG_PRINTK=n.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH] fix for "printk: introduce dump_stack_lvl()"
@ 2021-05-13 11:20     ` Alexander Potapenko
  0 siblings, 0 replies; 7+ messages in thread
From: Alexander Potapenko @ 2021-05-13 11:20 UTC (permalink / raw)
  To: Marco Elver
  Cc: Andrew Morton, kbuild-all, Linux Memory Management List,
	kernel test robot, Petr Mladek, Sergey Senozhatsky,
	Steven Rostedt, John Ogness, LKML

On Thu, May 13, 2021 at 1:14 PM Marco Elver <elver@google.com> wrote:
>
> Add missing dump_stack_lvl() stub if CONFIG_PRINTK=n.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH] fix for "printk: introduce dump_stack_lvl()"
@ 2021-05-13 11:20     ` Alexander Potapenko
  0 siblings, 0 replies; 7+ messages in thread
From: Alexander Potapenko @ 2021-05-13 11:20 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 285 bytes --]

On Thu, May 13, 2021 at 1:14 PM Marco Elver <elver@google.com> wrote:
>
> Add missing dump_stack_lvl() stub if CONFIG_PRINTK=n.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2021-05-13 11:21 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-13  9:03 [linux-next:master 2605/2770] mm/kasan/report.c:233:2: error: implicit declaration of function 'dump_stack_lvl'; did you mean 'dump_stack'? kernel test robot
2021-05-13  9:03 ` kernel test robot
2021-05-13 11:14 ` [PATCH] fix for "printk: introduce dump_stack_lvl()" Marco Elver
2021-05-13 11:14   ` Marco Elver
2021-05-13 11:20   ` Alexander Potapenko
2021-05-13 11:20     ` Alexander Potapenko
2021-05-13 11:20     ` Alexander Potapenko

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