From 3f7040a432fd468247e971c1ef7a9d69c8075968 Mon Sep 17 00:00:00 2001 From: Alexey Min Date: Wed, 14 Jul 2021 01:11:53 +0300 Subject: [PATCH 2/7] ipa_v3: fix potential buffer overflow This causes compile errors! Signed-off-by: Alexey Min --- drivers/platform/msm/ipa/ipa_v3/ipa_hw_stats.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa_hw_stats.c b/drivers/platform/msm/ipa/ipa_v3/ipa_hw_stats.c index 0cf0e60617b9..0183894a32d7 100644 --- a/drivers/platform/msm/ipa/ipa_v3/ipa_hw_stats.c +++ b/drivers/platform/msm/ipa/ipa_v3/ipa_hw_stats.c @@ -2069,7 +2069,7 @@ static ssize_t ipa_debugfs_enable_disable_drop_stats(struct file *file, goto bail; } - missing = copy_from_user(dbg_buff, ubuf, count); + missing = copy_from_user(dbg_buff, ubuf, min(sizeof(dbg_buff), count)); if (missing) { ret = -EFAULT; goto bail; -- 2.40.1