From: Nathan Chancellor <nathan@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: Kees Cook <kees@kernel.org>,
llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: drivers/misc/lkdtm/bugs.c:492:31: warning: unsequenced accesses to volatile qualified 'element_count'
Date: Sat, 14 Nov 2026 22:01:44 -0700 [thread overview]
Message-ID: <20261115050144.GA600738@ax162> (raw)
In-Reply-To: <202611140405.wMowxoPE-lkp@intel.com>
On Sat, Nov 14, 2026 at 04:47:52AM +0100, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 97d73c8251226cf27cc6656b4c542869bb8c69fa
> commit: a120a832e3ebca48474d7183ddeadf4138472535 lkdtm/bugs: Add __counted_by_ptr() test PTR_BOUNDS
> date: 10 months ago
> config: mips-randconfig-2000-20261114 (https://download.01.org/0day-ci/archive/20261114/202611140405.wMowxoPE-lkp@intel.com/config)
> compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 8621950157210c1fa68f20f0614cb51310ec9dff)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261114/202611140405.wMowxoPE-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
> | Fixes: a120a832e3eb ("lkdtm/bugs: Add __counted_by_ptr() test PTR_BOUNDS")
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202611140405.wMowxoPE-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
> >> drivers/misc/lkdtm/bugs.c:492:31: warning: unsequenced accesses to volatile qualified 'element_count' [-Wunsequenced]
> 492 | inst->array[element_count] = element_count;
> | ~~~~~~~~~~~~~ ^
> 1 warning generated.
https://lore.kernel.org/20261114-lkdtm-bugs-wunsequenced-v1-1-b24f15ce1328@kernel.org/
--
Cheers,
Nathan
prev parent reply other threads:[~2026-11-15 5:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-14 3:47 drivers/misc/lkdtm/bugs.c:492:31: warning: unsequenced accesses to volatile qualified 'element_count' kernel test robot
2026-11-15 5:01 ` Nathan Chancellor [this message]
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