linux-kernel - [PATCH] coccinelle: api: kfree_sensitive: print memset position

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Message-Id: <20201009125453.31217-1-efremov@linux.com>
Date:   Fri,  9 Oct 2020 15:54:53 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     julia.lawall@...ia.fr
Cc:     Denis Efremov <efremov@...ux.com>, cocci@...teme.lip6.fr,
        linux-kernel@...r.kernel.org
Subject: [PATCH] coccinelle: api: kfree_sensitive: print memset position

Print memset() call position in addition to the kfree() position to
ease issues identification.

Signed-off-by: Denis Efremov <efremov@...ux.com>
---
 scripts/coccinelle/api/kfree_sensitive.cocci | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/scripts/coccinelle/api/kfree_sensitive.cocci b/scripts/coccinelle/api/kfree_sensitive.cocci
index e4a066a0b77d..8d980ebf3223 100644
--- a/scripts/coccinelle/api/kfree_sensitive.cocci
+++ b/scripts/coccinelle/api/kfree_sensitive.cocci
@@ -85,14 +85,16 @@ type T;
 
 @script:python depends on report@
 p << r.p;
+m << r.m;
 @@
 
-coccilib.report.print_report(p[0],
-  "WARNING: opportunity for kfree_sensitive/kvfree_sensitive")
+msg = "WARNING opportunity for kfree_sensitive/kvfree_sensitive (memset at line %s)"
+coccilib.report.print_report(p[0], msg % (m[0].line))
 
 @script:python depends on org@
 p << r.p;
+m << r.m;
 @@
 
-coccilib.org.print_todo(p[0],
-  "WARNING: opportunity for kfree_sensitive/kvfree_sensitive")
+msg = "WARNING opportunity for kfree_sensitive/kvfree_sensitive (memset at line %s)"
+coccilib.org.print_todo(p[0], msg % (m[0].line))
-- 
2.26.2