linux-kernel - [linus:master] [proc/ksm] 8b47933544: kernel-selftests.proc.proc-empty-vm.fail

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Message-ID: <202309121427.f3542933-oliver.sang@intel.com>
Date:   Tue, 12 Sep 2023 15:02:49 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Stefan Roesch <shr@...kernel.io>
CC:     <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
        <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Rik van Riel <riel@...riel.com>,
        <linux-fsdevel@...r.kernel.org>, <oliver.sang@...el.com>
Subject: [linus:master] [proc/ksm]  8b47933544:
 kernel-selftests.proc.proc-empty-vm.fail



Hello,

kernel test robot noticed "kernel-selftests.proc.proc-empty-vm.fail" on:

commit: 8b47933544a68a62a9c4e35f8d8a6d2a2c935823 ("proc/ksm: add ksm stats to /proc/pid/smaps")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linus/master 0bb80ecc33a8fb5a682236443c1e740d5c917d1d]
[test failed on linux-next/master 7bc675554773f09d88101bf1ccfc8537dc7c0be9]

in testcase: kernel-selftests
version: kernel-selftests-x86_64-60acb023-1_20230329
with following parameters:

	group: group-02



compiler: gcc-12
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)




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 <oliver.sang@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202309121427.f3542933-oliver.sang@intel.com



# selftests: proc: proc-empty-vm
# proc-empty-vm: proc-empty-vm.c:292: test_proc_pid_smaps_rollup: Assertion `rv == sizeof(g_smaps_rollup) - 1' failed.
# Aborted
not ok 5 selftests: proc: proc-empty-vm # exit=134



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20230912/202309121427.f3542933-oliver.sang@intel.com



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki