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 for Android: free password hash cracker in your pocket

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

Message-ID: <4951AB76.3030709@cn.fujitsu.com>
Date:	Wed, 24 Dec 2008 11:24:38 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ftrace: enable format arguments checking

Lai Jiangshan wrote:
> 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)));

Hi, Steven Rostedt
	Did you notice this patch?
	This patch changed a char in a line: s/0/2/. It enables the format checking.

	Lai.

> +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/
> 
> 
> 


--
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/