linux-kernel - Re: [PATCH] ftrace: enable format arguments checking

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Wed, 24 Dec 2008 11:46:34 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ftrace: enable format arguments checking

Steven Rostedt wrote:
> On Sat, 20 Dec 2008, Lai Jiangshan wrote:
> 
> Could you resubmit with a "Impact" line.
> 
> Thanks,
> 

Impact: check format for ftrace_printk() when CONFIG_TRACING=n

format arguments checking for ftrace_printk() is __printf(1, 2),
not __printf(1, 0).

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 9c5bc6b..0c71788 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -210,7 +210,7 @@ extern void ftrace_dump(void);
 static inline void
 ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
 static inline int
-ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0)));
+ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
 
 static inline int
 ftrace_printk(const char *fmt, ...)

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/