Messages in this thread | | | Date | Thu, 4 Jun 2020 13:39:18 +1000 | From | Herbert Xu <> | Subject | Re: [PATCH] crypto: hisilicon - fix strncpy warning with strlcpy |
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On Thu, Jun 04, 2020 at 11:32:04AM +0800, Zhangfei Gao wrote: > Use strlcpy to fix the warning > warning: 'strncpy' specified bound 64 equals destination size > [-Wstringop-truncation] > > Reported-by: kernel test robot <lkp@intel.com> > Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org> > --- > drivers/crypto/hisilicon/qm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c > index f795fb5..224f3e2 100644 > --- a/drivers/crypto/hisilicon/qm.c > +++ b/drivers/crypto/hisilicon/qm.c > @@ -1574,7 +1574,7 @@ static int qm_alloc_uacce(struct hisi_qm *qm) > .ops = &uacce_qm_ops, > }; > > - strncpy(interface.name, pdev->driver->name, sizeof(interface.name)); > + strlcpy(interface.name, pdev->driver->name, sizeof(interface.name));
Should this even allow truncation? Perhaps it'd be better to fail in case of an overrun?
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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