linux-kernel - linux-next: disabling -Wstringop-truncation

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

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 31 Aug 2018 08:07:14 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Linus <torvalds@...ux-foundation.org>
Cc:     Linux-kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: disabling -Wstringop-truncation

Hi Linus,

I am now mainly using gcc v8.2 for my builds and -Wstringop-truncation
causes so many warnings that I am sure to miss others, so I have
applied the below to my fixes tree until the noise reduces.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Fri, 31 Aug 2018 07:47:28 +1000
Subject: [PATCH] disable stringop truncation warnings for now

They are too noisy
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index 2b458801ba74..a34a9283ee90 100644
--- a/Makefile
+++ b/Makefile
@@ -807,6 +807,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
 # disable pointer signed / unsigned warnings in gcc 4.0
 KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)
 
+# disable stringop warnings in gcc 8+
+KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
+
 # disable invalid "can't wrap" optimizations for signed / pointers
 KBUILD_CFLAGS	+= $(call cc-option,-fno-strict-overflow)
 
-- 
2.19.0.rc1

-- 
Cheers,
Stephen Rothwell

Content of type "application/pgp-signature" skipped