linux-kernel - Re: [PATCH net] sctp: fix uninit-value in sctp_inq

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Message-ID: <202309081012.be01cf11-oliver.sang@intel.com>
Date:   Fri, 8 Sep 2023 12:48:49 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Nikita Zhandarovich <n.zhandarovich@...tech.ru>
CC:     <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
        <linux-sctp@...r.kernel.org>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Xin Long <lucien.xin@...il.com>,
        Nikita Zhandarovich <n.zhandarovich@...tech.ru>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <syzbot+70a42f45e76bede082be@...kaller.appspotmail.com>,
        <oliver.sang@...el.com>
Subject: Re: [PATCH net] sctp: fix uninit-value in sctp_inq_pop()



Hello,

kernel test robot noticed "stress-ng.sctp.fail" on:

commit: 8c7dea932ab60ed7519996ade2d1e21db2c76cd4 ("[PATCH net] sctp: fix uninit-value in sctp_inq_pop()")
url: https://github.com/intel-lab-lkp/linux/commits/Nikita-Zhandarovich/sctp-fix-uninit-value-in-sctp_inq_pop/20230829-151540
base: https://git.kernel.org/cgit/linux/kernel/git/davem/net.git 90ca51e8c654699b672ba61aeaa418dfb3252e5e
patch link: https://lore.kernel.org/all/20230829071334.58083-1-n.zhandarovich@fintech.ru/
patch subject: [PATCH net] sctp: fix uninit-value in sctp_inq_pop()

in testcase: stress-ng
version: stress-ng-x86_64-0.15.04-1_20230812
with following parameters:

	nr_threads: 100%
	testtime: 60s
	class: network
	test: sctp
	cpufreq_governor: performance



compiler: gcc-12
test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G 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/202309081012.be01cf11-oliver.sang@intel.com

2023-09-07 16:33:40 stress-ng --timeout 60 --times --verify --metrics-brief --sctp 64
stress-ng: info:  [4148] setting to a 60 second run per stressor
stress-ng: info:  [4148] dispatching hogs: 64 sctp
stress-ng: info:  [4148] stressor       bogo ops real time  usr time  sys time   bogo ops/s     bogo ops/s
stress-ng: info:  [4148]                           (secs)    (secs)    (secs)   (real time) (usr+sys time)
stress-ng: info:  [4148] sctp                  0     60.00      0.03      0.01         0.00           0.00
stress-ng: warn:  [4148] metrics-check: all bogo-op counters are zero, data may be incorrect
stress-ng: info:  [4148] for a 60.01s run time:
stress-ng: info:  [4148]    3840.71s available CPU time
stress-ng: info:  [4148]       0.04s user time   (  0.00%)
stress-ng: info:  [4148]       0.01s system time (  0.00%)
stress-ng: info:  [4148]       0.05s total time  (  0.00%)
stress-ng: info:  [4148] load average: 0.63 0.32 0.12
stress-ng: info:  [4148] successful run completed in 60.01s (1 min, 0.01 secs)



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20230908/202309081012.be01cf11-oliver.sang@intel.com



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