From 091f79e8de44736a1e677701d67334bba5b749e3 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Mon, 29 Apr 2024 12:43:40 -0700 Subject: [PATCH] kunit/fortify: Do not spam logs with fortify WARNs When running KUnit fortify tests, we're already doing precise tracking of which warnings are getting hit. Don't fill the logs with WARNs unless we've been explicitly built with DEBUG enabled. Link: https://lore.kernel.org/r/20240429194342.2421639-2-keescook@chromium.org Signed-off-by: Kees Cook --- lib/fortify_kunit.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/lib/fortify_kunit.c b/lib/fortify_kunit.c index 5d706529c464f..601fa327c5b7f 100644 --- a/lib/fortify_kunit.c +++ b/lib/fortify_kunit.c @@ -15,10 +15,17 @@ */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +/* We don't need to fill dmesg with the fortify WARNs during testing. */ +#ifdef DEBUG +# define FORTIFY_REPORT_KUNIT(x...) __fortify_report(x) +#else +# define FORTIFY_REPORT_KUNIT(x...) do { } while (0) +#endif + /* Redefine fortify_panic() to track failures. */ void fortify_add_kunit_error(int write); #define fortify_panic(func, write, avail, size, retfail) do { \ - __fortify_report(FORTIFY_REASON(func, write), avail, size); \ + FORTIFY_REPORT_KUNIT(FORTIFY_REASON(func, write), avail, size); \ fortify_add_kunit_error(write); \ return (retfail); \ } while (0) -- 2.30.2