From: kernel test robot <lkp@intel.com>
To: Kees Cook <kees@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
David Gow <davidgow@google.com>, Rae Moar <rmoar@google.com>
Subject: lib/tests/test_kprobes.c:23:24: warning: variable 'stacktrace_driver' set but not used
Date: Mon, 30 Mar 2026 13:29:11 +0800 [thread overview]
Message-ID: <202603301341.3yI3zdxK-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7aaa8047eafd0bd628065b15757d9b48c5f9c07d
commit: db6fe4d61ece24193eb4d94a82d967501d53358c lib: Move KUnit tests into tests/ subdirectory
date: 1 year, 2 months ago
config: mips-randconfig-r121-20260330 (https://download.01.org/0day-ci/archive/20260330/202603301341.3yI3zdxK-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 054e11d1a17e5ba88bb1a8ef32fad3346e80b186)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260330/202603301341.3yI3zdxK-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603301341.3yI3zdxK-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> lib/tests/test_kprobes.c:23:24: warning: variable 'stacktrace_driver' set but not used [-Wunused-but-set-global]
23 | static unsigned long (*stacktrace_driver)(void);
| ^
1 warning generated.
vim +/stacktrace_driver +23 lib/tests/test_kprobes.c
8c1c9356429741a kernel/test_kprobes.c Ananth N Mavinakayanahalli 2008-01-30 20
1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 21 static unsigned long (*internal_target)(void);
1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 22 static unsigned long (*stacktrace_target)(void);
1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 @23 static unsigned long (*stacktrace_driver)(void);
1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 24 static unsigned long target_return_address[2];
1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 25
:::::: The code at line 23 was first introduced by commit
:::::: 1f6d3a8f5e397f5d31afbc58d84e1dc68318b874 kprobes: Add a test case for stacktrace from kretprobe handler
:::::: TO: Masami Hiramatsu <mhiramat@kernel.org>
:::::: CC: Steven Rostedt (VMware) <rostedt@goodmis.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-03-30 5:29 UTC|newest]
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