Re: [PATCH v2 2/2] lkdtm: remove IDE_CORE_CP crashpoint

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On Wed, Aug 18, 2021 at 07:29:40PM -0700, Kevin Mitchell wrote:
> With the removal of the legacy IDE driver in kb7fb14d3ac63 ("ide: remove
> the legacy ide driver"), this crashpoint no longer points to a valid
> function.
> 
> Signed-off-by: Kevin Mitchell <kevmitch@xxxxxxxxxx>

Hah, whoops. Yes. :)

Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>

Thanks!

-Kees

> ---
>  Documentation/fault-injection/provoke-crashes.rst | 3 +--
>  drivers/misc/lkdtm/core.c                         | 1 -
>  2 files changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/Documentation/fault-injection/provoke-crashes.rst b/Documentation/fault-injection/provoke-crashes.rst
> index 18de17354206..3abe84225613 100644
> --- a/Documentation/fault-injection/provoke-crashes.rst
> +++ b/Documentation/fault-injection/provoke-crashes.rst
> @@ -29,8 +29,7 @@ recur_count
>  cpoint_name
>  	Where in the kernel to trigger the action. It can be
>  	one of INT_HARDWARE_ENTRY, INT_HW_IRQ_EN, INT_TASKLET_ENTRY,
> -	FS_DEVRW, MEM_SWAPOUT, TIMERADD, SCSI_QUEUE_RQ,
> -	IDE_CORE_CP, or DIRECT
> +	FS_DEVRW, MEM_SWAPOUT, TIMERADD, SCSI_QUEUE_RQ, or DIRECT.
>  
>  cpoint_type
>  	Indicates the action to be taken on hitting the crash point.
> diff --git a/drivers/misc/lkdtm/core.c b/drivers/misc/lkdtm/core.c
> index 016cb0b150fc..e50e7bfc4674 100644
> --- a/drivers/misc/lkdtm/core.c
> +++ b/drivers/misc/lkdtm/core.c
> @@ -83,7 +83,6 @@ static struct crashpoint crashpoints[] = {
>  	CRASHPOINT("MEM_SWAPOUT",	 "shrink_inactive_list"),
>  	CRASHPOINT("TIMERADD",		 "hrtimer_start"),
>  	CRASHPOINT("SCSI_QUEUE_RQ",	 "scsi_queue_rq"),
> -	CRASHPOINT("IDE_CORE_CP",	 "generic_ide_ioctl"),
>  #endif
>  };
>  
> -- 
> 2.32.0
> 

-- 
Kees Cook



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