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Date: Tue, 13 Dec 2022 12:40:03 +0900
From: Masami Hiramatsu (Google) <mhiramat@...nel.org>
To: kernel test robot <lkp@...el.com>
Cc: LKML <linux-kernel@...r.kernel.org>, llvm@...ts.linux.dev,
oe-kbuild-all@...ts.linux.dev, bpf@...r.kernel.org,
Borislav Petkov <bp@...en8.de>,
Alexei Starovoitov <alexei.starovoitov@...il.com>,
Steven Rostedt <rostedt@...dmis.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>,
Peter Zijlstra <peterz@...radead.org>,
Kees Cook <keescook@...omium.org>,
Josh Poimboeuf <jpoimboe@...hat.com>,
KP Singh <kpsingh@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Florent Revest <revest@...omium.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Christoph Hellwig <hch@...radead.org>,
Chris Mason <chris.mason@...ionio.com>,
Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org
Subject: Re: [PATCH 1/2] error-injection: Remove EI_ETYPE_NONE
On Mon, 12 Dec 2022 12:55:24 +0800
kernel test robot <lkp@...el.com> wrote:
> Hi Masami,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on arnd-asm-generic/master]
> [also build test ERROR on linus/master v6.1 next-20221208]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
>
> url: https://github.com/intel-lab-lkp/linux/commits/Masami-Hiramatsu-Google/error-injection-Clarify-the-requirements-of-error-injectable-functions/20221212-104859
> base: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master
> patch link: https://lore.kernel.org/r/167081320421.387937.4259807348852421112.stgit%40devnote3
> patch subject: [PATCH 1/2] error-injection: Remove EI_ETYPE_NONE
> config: hexagon-randconfig-r045-20221211
> compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 6e4cea55f0d1104408b26ac574566a0e4de48036)
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # https://github.com/intel-lab-lkp/linux/commit/ffd600c8d5c881bc0e58401c24c7457a566f6207
> git remote add linux-review https://github.com/intel-lab-lkp/linux
> git fetch --no-tags linux-review Masami-Hiramatsu-Google/error-injection-Clarify-the-requirements-of-error-injectable-functions/20221212-104859
> git checkout ffd600c8d5c881bc0e58401c24c7457a566f6207
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/btrfs/
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@...el.com>
>
> All errors (new ones prefixed by >>):
>
> In file included from fs/btrfs/tree-checker.c:20:
> >> include/linux/error-injection.h:22:10: error: use of undeclared identifier 'EOPNOTSUPP'
> return -EOPNOTSUPP;
Oops, I need to include linux/errno.h. Let me update it.
Thanks!
> ^
> In file included from fs/btrfs/tree-checker.c:21:
> In file included from fs/btrfs/ctree.h:9:
> In file included from include/linux/mm.h:737:
> In file included from include/linux/huge_mm.h:8:
> In file included from include/linux/fs.h:33:
> In file included from include/linux/percpu-rwsem.h:7:
> In file included from include/linux/rcuwait.h:6:
> In file included from include/linux/sched/signal.h:6:
> include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
> return (set->sig[3] | set->sig[2] |
> ^ ~
> include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
> unsigned long sig[_NSIG_WORDS];
> ^
> In file included from fs/btrfs/tree-checker.c:21:
> In file included from fs/btrfs/ctree.h:9:
> In file included from include/linux/mm.h:737:
> In file included from include/linux/huge_mm.h:8:
> In file included from include/linux/fs.h:33:
> In file included from include/linux/percpu-rwsem.h:7:
> In file included from include/linux/rcuwait.h:6:
> In file included from include/linux/sched/signal.h:6:
> include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
> return (set->sig[3] | set->sig[2] |
> ^ ~
> include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
> unsigned long sig[_NSIG_WORDS];
> ^
> In file included from fs/btrfs/tree-checker.c:21:
> In file included from fs/btrfs/ctree.h:9:
> In file included from include/linux/mm.h:737:
> In file included from include/linux/huge_mm.h:8:
> In file included from include/linux/fs.h:33:
> In file included from include/linux/percpu-rwsem.h:7:
> In file included from include/linux/rcuwait.h:6:
> In file included from include/linux/sched/signal.h:6:
> include/linux/signal.h:113:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
> return (set1->sig[3] == set2->sig[3]) &&
> ^ ~
> include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
> unsigned long sig[_NSIG_WORDS];
> ^
> In file included from fs/btrfs/tree-checker.c:21:
> In file included from fs/btrfs/ctree.h:9:
> In file included from include/linux/mm.h:737:
> In file included from include/linux/huge_mm.h:8:
> In file included from include/linux/fs.h:33:
> In file included from include/linux/percpu-rwsem.h:7:
> In file included from include/linux/rcuwait.h:6:
> In file included from include/linux/sched/signal.h:6:
> include/linux/signal.h:113:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
> return (set1->sig[3] == set2->sig[3]) &&
> ^ ~
> include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
> unsigned long sig[_NSIG_WORDS];
> ^
> In file included from fs/btrfs/tree-checker.c:21:
> In file included from fs/btrfs/ctree.h:9:
> In file included from include/linux/mm.h:737:
> In file included from include/linux/huge_mm.h:8:
> In file included from include/linux/fs.h:33:
> In file included from include/linux/percpu-rwsem.h:7:
> In file included from include/linux/rcuwait.h:6:
> In file included from include/linux/sched/signal.h:6:
> include/linux/signal.h:114:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
> (set1->sig[2] == set2->sig[2]) &&
> ^ ~
> include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
> unsigned long sig[_NSIG_WORDS];
> ^
> In file included from fs/btrfs/tree-checker.c:21:
> In file included from fs/btrfs/ctree.h:9:
> In file included from include/linux/mm.h:737:
> In file included from include/linux/huge_mm.h:8:
> In file included from include/linux/fs.h:33:
> In file included from include/linux/percpu-rwsem.h:7:
> In file included from include/linux/rcuwait.h:6:
> In file included from include/linux/sched/signal.h:6:
> include/linux/signal.h:114:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
> (set1->sig[2] == set2->sig[2]) &&
> ^ ~
> include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
> unsigned long sig[_NSIG_WORDS];
> ^
> In file included from fs/btrfs/tree-checker.c:21:
> In file included from fs/btrfs/ctree.h:9:
> In file included from include/linux/mm.h:737:
> In file included from include/linux/huge_mm.h:8:
> In file included from include/linux/fs.h:33:
> In file included from include/linux/percpu-rwsem.h:7:
> In file included from include/linux/rcuwait.h:6:
> In file included from include/linux/sched/signal.h:6:
> include/linux/signal.h:156:1: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
> _SIG_SET_BINOP(sigorsets, _sig_or)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/linux/signal.h:137:8: note: expanded from macro '_SIG_SET_BINOP'
> a3 = a->sig[3]; a2 = a->sig[2]; \
> ^ ~
>
>
> vim +/EOPNOTSUPP +22 include/linux/error-injection.h
>
> 19
> 20 static inline int get_injectable_error_type(unsigned long addr)
> 21 {
> > 22 return -EOPNOTSUPP;
> 23 }
> 24
>
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp
--
Masami Hiramatsu (Google) <mhiramat@...nel.org>
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