linux-hardening - [PATCH] lkdtm/bugs: Improve warning message for compilers without counted

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Date: Thu, 21 Mar 2024 13:18:17 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: keescook@...omium.org
Cc: gustavoars@...nel.org, linux-hardening@...r.kernel.org, 
 patches@...ts.linux.dev, Nathan Chancellor <nathan@...nel.org>
Subject: [PATCH] lkdtm/bugs: Improve warning message for compilers without
 counted_by support

The current message for telling the user that their compiler does not
support the counted_by attribute in the FAM_BOUNDS test does not make
much sense either grammatically or semantically. Fix it to make it
correct in both aspects.

Signed-off-by: Nathan Chancellor <nathan@...nel.org>
---
 drivers/misc/lkdtm/bugs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c
index b92767d6bdd2..5178c02b21eb 100644
--- a/drivers/misc/lkdtm/bugs.c
+++ b/drivers/misc/lkdtm/bugs.c
@@ -417,7 +417,7 @@ static void lkdtm_FAM_BOUNDS(void)
 	pr_err("FAIL: survived access of invalid flexible array member index!\n");
 
 	if (!__has_attribute(__counted_by__))
-		pr_warn("This is expected since this %s was built a compiler supporting __counted_by\n",
+		pr_warn("This is expected since this %s was built with a compiler that does not support __counted_by\n",
 			lkdtm_kernel_info);
 	else if (IS_ENABLED(CONFIG_UBSAN_BOUNDS))
 		pr_expected_config(CONFIG_UBSAN_TRAP);

---
base-commit: 8d8b79685237b15f4bb676781f6bf241beb068a8
change-id: 20240321-lkdtm-improve-lack-of-counted_by-msg-d3b9006bd6e3

Best regards,
-- 
Nathan Chancellor <nathan@...nel.org>