lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <1604135228-18410-6-git-send-email-qianweili@huawei.com> Date: Sat, 31 Oct 2020 17:07:05 +0800 From: Weili Qian <qianweili@...wei.com> To: <herbert@...dor.apana.org.au>, <davem@...emloft.net> CC: <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>, <xuzaibo@...wei.com>, <wangzhou1@...ilicon.com> Subject: [PATCH 5/8] crypto: hisilicon/qm - replace 'sprintf' with 'scnprintf' Replace 'sprintf' with 'scnprintf' to avoid overrun. Signed-off-by: Weili Qian <qianweili@...wei.com> Reviewed-by: Zhou Wang <wangzhou1@...ilicon.com> --- drivers/crypto/hisilicon/qm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 17f84db..25c5414 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -932,7 +932,8 @@ static ssize_t qm_debug_read(struct file *filp, char __user *buf, return -EINVAL; } mutex_unlock(&file->lock); - ret = sprintf(tbuf, "%u\n", val); + + ret = scnprintf(tbuf, QM_DBG_TMP_BUF_LEN, "%u\n", val); return simple_read_from_buffer(buf, count, pos, tbuf, ret); } -- 2.8.1
Powered by blists - more mailing lists