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From: kbuild test robot <lkp@intel.com>
To: "Tobin C. Harding" <me@tobin.cc>
Cc: kbuild-all@01.org, kernel-hardening@lists.openwall.com,
	"Tobin C. Harding" <me@tobin.cc>,
	Steven Rostedt <rostedt@goodmis.org>,
	Tycho Andersen <tycho@tycho.ws>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Kees Cook <keescook@chromium.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Alexei Starovoitov <ast@kernel.org>,
	linux-kernel@vger.kernel.org,
	Network Development <netdev@vger.kernel.org>
Subject: Re: [PATCH 3/3] trace: print address if symbol not found
Date: Wed, 20 Dec 2017 07:19:07 +0800	[thread overview]
Message-ID: <201712200629.7PUe9Wdc%fengguang.wu@intel.com> (raw)
In-Reply-To: <1513554812-13014-4-git-send-email-me@tobin.cc>

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Hi Tobin,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.15-rc4 next-20171219]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Tobin-C-Harding/kallsyms-don-t-leak-address/20171220-062707
config: i386-randconfig-x016-201751 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   kernel/trace/trace_events_hist.c: In function 'hist_trigger_stacktrace_print':
>> kernel/trace/trace_events_hist.c:985:3: error: implicit declaration of function 'trace_sprint_symbol_addr'; did you mean 'trace_sprint_symbol'? [-Werror=implicit-function-declaration]
      trace_sprint_symbol_addr(str, stacktrace_entries[i]);
      ^~~~~~~~~~~~~~~~~~~~~~~~
      trace_sprint_symbol
   cc1: some warnings being treated as errors

vim +985 kernel/trace/trace_events_hist.c

   971	
   972	static void hist_trigger_stacktrace_print(struct seq_file *m,
   973						  unsigned long *stacktrace_entries,
   974						  unsigned int max_entries)
   975	{
   976		char str[KSYM_SYMBOL_LEN];
   977		unsigned int spaces = 8;
   978		unsigned int i;
   979	
   980		for (i = 0; i < max_entries; i++) {
   981			if (stacktrace_entries[i] == ULONG_MAX)
   982				return;
   983	
   984			seq_printf(m, "%*c", 1 + spaces, ' ');
 > 985			trace_sprint_symbol_addr(str, stacktrace_entries[i]);
   986			seq_printf(m, "%s\n", str);
   987		}
   988	}
   989	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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  parent reply	other threads:[~2017-12-19 23:19 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-17 23:53 [PATCH 0/3] kallsyms: don't leak address Tobin C. Harding
2017-12-17 23:53 ` [PATCH 1/3] kallsyms: don't leak address when symbol not found Tobin C. Harding
2017-12-18  9:55   ` Felix Fietkau
2017-12-18 22:41     ` Tobin C. Harding
2017-12-18 23:43       ` Steven Rostedt
2017-12-19  0:24         ` Tobin C. Harding
2017-12-17 23:53 ` [PATCH 2/3] vsprintf: print <no-symbol> if " Tobin C. Harding
2017-12-18  0:04   ` Joe Perches
2017-12-18  1:04     ` Tobin C. Harding
2017-12-17 23:53 ` [PATCH 3/3] trace: print address " Tobin C. Harding
2017-12-18 16:49   ` Steven Rostedt
2017-12-18 21:16     ` Tobin C. Harding
2017-12-18 23:51       ` Steven Rostedt
2017-12-19  0:22         ` Tobin C. Harding
2017-12-19  3:00         ` Tobin C. Harding
2017-12-19  3:02           ` Tobin C. Harding
2017-12-19  3:37           ` Steven Rostedt
2017-12-19  4:20             ` Tobin C. Harding
2017-12-18 22:35     ` Tobin C. Harding
2017-12-19 23:19   ` kbuild test robot [this message]
2017-12-19 23:39   ` kbuild test robot
2017-12-18  5:31 ` [kernel-hardening] [PATCH 0/3] kallsyms: don't leak address Michael Ellerman
2017-12-18  6:00   ` Tobin C. Harding
2017-12-18  9:17     ` Tobin C. Harding

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