Re: [PATCH] infiniband: hfi1: Use scnprintf() for avoiding potential buffer overflow

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On Thu, Mar 19, 2020 at 04:46:41PM +0100, Takashi Iwai wrote:
> Since snprintf() returns the would-be-output size instead of the
> actual output size, the succeeding calls may go beyond the given
> buffer limit.  Fix it by replacing with scnprintf().
> 
> Cc: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
> Cc: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx>
> Cc: Doug Ledford <dledford@xxxxxxxxxx>
> Cc: Jason Gunthorpe <jgg@xxxxxxxx>
> Cc: linux-rdma@xxxxxxxxxxxxxxx
> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> ---
>  drivers/infiniband/hw/hfi1/fault.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Applied to for-next, thanks

Jason



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