Re: [PATCH 2/2] kunit: ubsan integration

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On Thu, Aug 06, 2020 at 05:43:26PM +0000, Uriel Guajardo wrote:
> Integrates UBSAN into the KUnit testing framework. It fails KUnit tests
> whenever it reports undefined behavior.
> 
> Signed-off-by: Uriel Guajardo <urielguajardo@xxxxxxxxxx>

It looks like this patch had been merged into linux-next but the "[PATCH 1/2]
kunit: support failure from dynamic analysis tools" did not. Hence, it caused a
compiling failure.

lib/ubsan.c: In function ‘ubsan_prologue’:
lib/ubsan.c:141:2: error: implicit declaration of function ‘kunit_fail_current_test’; did you mean ‘kunit_init_test’? [-Werror=implicit-function-declaration]
  kunit_fail_current_test();
  ^~~~~~~~~~~~~~~~~~~~~~~
  kunit_init_test
cc1: some warnings being treated as errors

> ---
>  lib/ubsan.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/lib/ubsan.c b/lib/ubsan.c
> index cb9af3f6b77e..1460e2c828c8 100644
> --- a/lib/ubsan.c
> +++ b/lib/ubsan.c
> @@ -14,6 +14,7 @@
>  #include <linux/types.h>
>  #include <linux/sched.h>
>  #include <linux/uaccess.h>
> +#include <kunit/test.h>
>  
>  #include "ubsan.h"
>  
> @@ -137,6 +138,7 @@ static void ubsan_prologue(struct source_location *loc, const char *reason)
>  {
>  	current->in_ubsan++;
>  
> +	kunit_fail_current_test();
>  	pr_err("========================================"
>  		"========================================\n");
>  	pr_err("UBSAN: %s in %s:%d:%d\n", reason, loc->file_name,
> -- 
> 2.28.0.163.g6104cc2f0b6-goog
> 



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