On Thu, May 5, 2022 at 11:44 PM kernel test robot <[email protected]> wrote:
>
>
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-11):
>
> commit: 72fd55c0dbb1ad5ba283ca80abc9546702815a33 ("[PATCH v2 net-next] net: generalize skb freeing deferral to per-cpu lists")
> url: https://github.com/intel-lab-lkp/linux/commits/Eric-Dumazet/net-generalize-skb-freeing-deferral-to-per-cpu-lists/20220423-060710
> base: https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git c78c5a660439d4d341a03b651541fda3ebe76160
> patch link: https://lore.kernel.org/netdev/[email protected]
>
I think this commit had two follow up fixes.
Make sure to test the tree after the fixes are included, otherwise
this is adding unneeded noise.
Thank you.
commit f3412b3879b4f7c4313b186b03940d4791345534
Author: Eric Dumazet <[email protected]>
Date: Wed Apr 27 13:41:47 2022 -0700
net: make sure net_rx_action() calls skb_defer_free_flush()
And:
commit 783d108dd71d97e4cac5fe8ce70ca43ed7dc7bb7
Author: Eric Dumazet <[email protected]>
Date: Fri Apr 29 18:15:23 2022 -0700
tcp: drop skb dst in tcp_rcv_established()
> in testcase: xfstests
> version: xfstests-x86_64-46e1b83-1_20220414
> with following parameters:
>
> disk: 4HDD
> fs: ext4
> fs2: smbv3
> test: generic-group-10
> ucode: 0xec
>
> test-description: xfstests is a regression test suite for xfs and other files ystems.
> test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
>
>
> 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 <[email protected]>
>
>
>
> [ 80.428226][ T1836] Attempt to set a LOCK_MAND lock via flock(2). This support has been removed and the request ignored.
> [ 80.739189][ T370] generic/207 0s
> [ 80.739198][ T370]
> [ 80.785302][ T1696] run fstests generic/208 at 2022-05-06 02:42:26
> [ 81.143444][ T1836] Attempt to set a LOCK_MAND lock via flock(2). This support has been removed and the request ignored.
> [ 89.609627][ T58] kworker/u16:5 invoked oom-killer: gfp_mask=0xcd0(GFP_KERNEL|__GFP_RECLAIMABLE), order=0, oom_score_adj=0
> [ 89.620805][ T58] CPU: 0 PID: 58 Comm: kworker/u16:5 Not tainted 5.18.0-rc3-00568-g72fd55c0dbb1 #1
> [ 89.629899][ T58] Hardware name: HP HP Z240 SFF Workstation/802E, BIOS N51 Ver. 01.63 10/05/2017
> [ 89.638822][ T58] Workqueue: writeback wb_workfn (flush-8:16)
> [ 89.644727][ T58] Call Trace:
> [ 89.647863][ T58] <TASK>
> [ 89.650649][ T58] dump_stack_lvl (kbuild/src/consumer/lib/dump_stack.c:107 (discriminator 1))
> [ 89.654992][ T58] dump_header (kbuild/src/consumer/mm/oom_kill.c:73 kbuild/src/consumer/mm/oom_kill.c:461)
> [ 89.659250][ T58] oom_kill_process.cold (kbuild/src/consumer/mm/oom_kill.c:979)
> [ 89.664110][ T58] out_of_memory (kbuild/src/consumer/mm/oom_kill.c:1119 (discriminator 4))
>
>
> 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
>
>