linux-kernel - [linux-stable-rc:linux-4.19.y 562/625] userfaultfd.c:138:1: error: expected identifier or '(' before '}' token

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Message-ID: <202108032035.qAgPFN8K-lkp@intel.com>
Date:   Tue, 3 Aug 2021 20:14:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Collingbourne <pcc@...gle.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lokesh Gidra <lokeshgidra@...gle.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: [linux-stable-rc:linux-4.19.y 562/625] userfaultfd.c:138:1: error:
 expected identifier or '(' before '}' token

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y
head:   7d0b2cf6631fd9776096a6a1bc52a89946f15d4c
commit: f96dfc7ce42c44533fb630e1ca6dad7cf48f803a [562/625] selftest: use mmap instead of posix_memalign to allocate memory
config: x86_64-rhel-8.3-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=f96dfc7ce42c44533fb630e1ca6dad7cf48f803a
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-4.19.y
        git checkout f96dfc7ce42c44533fb630e1ca6dad7cf48f803a
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash -C tools/testing/selftests install

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

Note: the linux-stable-rc/linux-4.19.y HEAD 7d0b2cf6631fd9776096a6a1bc52a89946f15d4c builds fine.
      It only hurts bisectibility.

All error/warnings (new ones prefixed by >>):

   userfaultfd.c: In function 'anon_allocate_area':
>> userfaultfd.c:134:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     134 |  if (*alloc_area == MAP_FAILED)
         |  ^~
   userfaultfd.c:136:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
     136 |   *alloc_area = NULL;
         |   ^
   userfaultfd.c: At top level:
>> userfaultfd.c:138:1: error: expected identifier or '(' before '}' token
     138 | }
         | ^

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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