From: Zhushuai Yin <yinzhushuai@huawei.com> driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/ICFGRF CVE: NA ---------------------------------------------------------------------- The input parameter may not be a resource under the PF of this device and needs to be intercepted as illegal. Fixes: 488f30d4b8b3 ("crypto: hisilicon/qm - some optimizations of ths qos write process") Signed-off-by: Zhushuai Yin <yinzhushuai@huawei.com> Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com> --- drivers/crypto/hisilicon/qm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 60a7aa888ef3..75287085a6b6 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -4022,6 +4022,10 @@ static ssize_t qm_get_qos_value(struct hisi_qm *qm, const char *buf, } pdev = container_of(dev, struct pci_dev, dev); + if (pci_physfn(pdev) != qm->pdev) { + pci_err(qm->pdev, "the pdev input does not match the pf!\n"); + return -EINVAL; + } *fun_index = pdev->devfn; -- 2.33.0