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From: Naresh Kamboju <naresh.kamboju@linaro.org>
To: Mike Kravetz <mike.kravetz@oracle.com>,
	linux-mm <linux-mm@kvack.org>,
	 Andrew Morton <akpm@linux-foundation.org>,
	open list <linux-kernel@vger.kernel.org>,
	 regressions@lists.linux.dev,
	Nathan Chancellor <nathan@kernel.org>,
	 clang-built-linux <clang-built-linux@googlegroups.com>
Cc: Muchun Song <songmuchun@bytedance.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	 "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
	Axel Rasmussen <axelrasmussen@google.com>,
	 David Hildenbrand <david@redhat.com>,
	Davidlohr Bueso <dave@stgolabs.net>,
	 James Houghton <jthoughton@google.com>,
	 "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Miaohe Lin <linmiaohe@huawei.com>,
	 Michal Hocko <mhocko@suse.com>,
	Mina Almasry <almasrymina@google.com>,
	 Naoya Horiguchi <naoya.horiguchi@linux.dev>,
	Pasha Tatashin <pasha.tatashin@soleen.com>,
	 Peter Xu <peterx@redhat.com>,
	Prakash Sangappa <prakash.sangappa@oracle.com>
Subject: [next] x86: fs/hugetlbfs/inode.c:673:16: error: variable 'm_index' is uninitialized when used here [-Werror,-Wuninitialized]
Date: Thu, 25 Aug 2022 16:13:30 +0530	[thread overview]
Message-ID: <CA+G9fYsHVdu0toduQqk6vsR8Z8mOVzZ9-_p3O5fjQ5mOpSxsDA@mail.gmail.com> (raw)

The x86_64 and i386 clang builds failed due to these warnings / errors
on Linux next-20220825.

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

fs/hugetlbfs/inode.c:673:16: error: variable 'm_index' is
uninitialized when used here [-Werror,-Wuninitialized]
                                                m_start, m_index, truncate_op);
                                                         ^~~~~~~
fs/hugetlbfs/inode.c:651:26: note: initialize the variable 'm_index'
to silence this warning
        pgoff_t m_start, m_index;
                                ^
                                 = 0
1 error generated.
make[3]: *** [scripts/Makefile.build:250: fs/hugetlbfs/inode.o] Error 1
make[3]: Target '__build' not remade because of errors.
make[2]: *** [scripts/Makefile.build:525: fs/hugetlbfs] Error 2

Build link: https://builds.tuxbuild.com/2Dpvef6uVvzHMztbfQRmxJfPXZT/

Steps to reproduce:
-------------------
# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake

tuxmake --runtime podman --target-arch x86_64 --toolchain clang-14
--kconfig https://builds.tuxbuild.com/2Dpvef6uVvzHMztbfQRmxJfPXZT/config
LLVM=1 LLVM_IAS=1

--
Linaro LKFT
https://lkft.linaro.org


             reply	other threads:[~2022-08-25 10:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-25 10:43 Naresh Kamboju [this message]
2022-08-25 16:10 ` Nathan Chancellor
2022-08-25 16:56 ` Mike Kravetz
2022-08-26  1:21   ` Andrew Morton

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