linux-kernel - [kasan] c068664c97: kernel-selftests.lkdtm.SLAB_FREE

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Message-ID: <20220405061620.GA17553@xsang-OptiPlex-9020>
Date:   Tue, 5 Apr 2022 14:16:20 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Andrey Konovalov <andreyknvl@...gle.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Alexander Potapenko <glider@...gle.com>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        lkp@...el.com
Subject: [kasan]  c068664c97: kernel-selftests.lkdtm.SLAB_FREE_DOUBLE.sh.fail



Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: c068664c97c7cffa9df706e247046aa5c796efc9 ("kasan: respect KASAN_BIT_REPORTED in all reporting routines")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: kernel-selftests
version: kernel-selftests-x86_64-a17aac1b-1_20220328
with following parameters:

	group: lkdtm
	ucode: 0xec

test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
test-url: https://www.kernel.org/doc/Documentation/kselftest.txt


on test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 16G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):




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



# selftests: lkdtm: SLAB_FREE_DOUBLE.sh
# [   80.711488] lkdtm: Performing direct entry SLAB_FREE_DOUBLE
# [   80.714382] # [   73.553626]  </TASK>
# [   80.718364] lkdtm: Attempting double slab free ...
# 
# SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]
not ok 28 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1



To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        sudo bin/lkp install job.yaml           # job file is attached in this email
        bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
        sudo bin/lkp run generated-yaml-file

        # if come across any failure that blocks the test,
        # please remove ~/.lkp and /lkp dir to run from a clean state.



-- 
0-DAY CI Kernel Test Service
https://01.org/lkp



View attachment "config-5.17.0-07684-gc068664c97c7" of type "text/plain" (166711 bytes)

View attachment "job-script" of type "text/plain" (6025 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (66916 bytes)

View attachment "kernel-selftests" of type "text/plain" (293188 bytes)

View attachment "job.yaml" of type "text/plain" (5187 bytes)

View attachment "reproduce" of type "text/plain" (150 bytes)