From: Chengchang Tang tangchengchang@huawei.com

stable inclusion from stable-v5.10.219 commit 45b31be4dd22827903df15c548b97b416790139b category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IA6S8B CVE: CVE-2024-38590

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...

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[ Upstream commit 349e859952285ab9689779fb46de163f13f18f43 ]

Too much print may lead to a panic in kernel. Change ibdev_err() to ibdev_err_ratelimited(), and change the printing level of cqe dump to debug level.

Fixes: 7c044adca272 ("RDMA/hns: Simplify the cqe code of poll cq") Signed-off-by: Chengchang Tang tangchengchang@huawei.com Signed-off-by: Junxian Huang huangjunxian6@hisilicon.com Link: https://lore.kernel.org/r/20240412091616.370789-11-huangjunxian6@hisilicon.c... Signed-off-by: Leon Romanovsky leon@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org

Conflicts: drivers/infiniband/hw/hns/hns_roce_hw_v2.c [Only the context is different, and no code is modified.] Signed-off-by: Wang Hai wanghai38@huawei.com --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 6e53864938c6..fa958ea9c569 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4040,8 +4040,9 @@ static void get_cqe_status(struct hns_roce_dev *hr_dev, struct hns_roce_qp *qp, wc->status == IB_WC_WR_FLUSH_ERR)) return;

- ibdev_err(&hr_dev->ib_dev, "error cqe status 0x%x:\n", cqe_status); - print_hex_dump(KERN_ERR, "", DUMP_PREFIX_NONE, 16, 4, cqe, + ibdev_err_ratelimited(&hr_dev->ib_dev, "error cqe status 0x%x:\n", + cqe_status); + print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_NONE, 16, 4, cqe, cq->cqe_size, false); wc->vendor_err = hr_reg_read(cqe, CQE_SUB_STATUS);