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From: kernel test robot <oliver.sang@intel.com>
To: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>, <linux-mm@kvack.org>,
	<ltp@lists.linux.it>, Andrew Morton <akpm@linux-foundation.org>,
	"Suren Baghdasaryan" <surenb@google.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	"Lorenzo Stoakes" <lstoakes@gmail.com>,
	Matthew Wilcox <willy@infradead.org>,
	<sidhartha.kumar@oracle.com>,
	"Paul E . McKenney" <paulmck@kernel.org>,
	"Bert Karwatzki" <spasswolf@web.de>,
	Jiri Olsa <olsajiri@gmail.com>, <linux-kernel@vger.kernel.org>,
	Kees Cook <kees@kernel.org>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	<oliver.sang@intel.com>
Subject: Re: [PATCH v4 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region()
Date: Tue, 16 Jul 2024 20:46:25 +0800	[thread overview]
Message-ID: <202407162022.5a730c37-oliver.sang@intel.com> (raw)
In-Reply-To: <20240710192250.4114783-15-Liam.Howlett@oracle.com>



Hello,

kernel test robot noticed "ltp.hugemmap06.fail" on:

commit: d793398401db9fb81084bd4fe2f782342201df18 ("[PATCH v4 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region()")
url: https://github.com/intel-lab-lkp/linux/commits/Liam-R-Howlett/mm-mmap-Correctly-position-vma_iterator-in-__split_vma/20240711-075019
base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/all/20240710192250.4114783-15-Liam.Howlett@oracle.com/
patch subject: [PATCH v4 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region()

in testcase: ltp
version: ltp-x86_64-14c1f76-1_20240706
with following parameters:

	test: hugetlb/hugemmap06



compiler: gcc-13
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz (Ivy Bridge) with 16G 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@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202407162022.5a730c37-oliver.sang@intel.com


Running tests.......
<<<test_start>>>
tag=hugemmap06 stime=1721029963
cmdline="hugemmap06"
contacts=""
analysis=exit
<<<test_output>>>
tst_hugepage.c:84: TINFO: 255 hugepage(s) reserved
tst_test.c:1803: TINFO: LTP version: 20240524-71-g361f6ad13
tst_test.c:1647: TINFO: Timeout per run is 0h 00m 30s
hugemmap06.c:114: TPASS: No regression found
hugemmap06.c:114: TPASS: No regression found
hugemmap06.c:114: TPASS: No regression found
hugemmap06.c:114: TPASS: No regression found
hugemmap06.c:100: TFAIL: mmap failed: ENOMEM (12)

HINT: You _MAY_ be missing kernel fixes:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f522c3ac00a4
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9119a41e9091
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7b24d8616be3
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1406ec9ba6c6

Summary:
passed   4
failed   1
broken   0
skipped  0
warnings 0
incrementing stop
<<<execution_status>>>
initiation_status="ok"
duration=10 termination_type=exited termination_id=1 corefile=no
cutime=2 cstime=629
<<<test_end>>>
INFO: ltp-pan reported some tests FAIL
LTP Version: 20240524-71-g361f6ad13

       ###############################################################

            Done executing testcases.
            LTP Version:  20240524-71-g361f6ad13
       ###############################################################



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240716/202407162022.5a730c37-oliver.sang@intel.com



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



  parent reply	other threads:[~2024-07-16 12:47 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-10 19:22 [PATCH v4 00/21] Avoid MAP_FIXED gap exposure Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 01/21] mm/mmap: Correctly position vma_iterator in __split_vma() Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 02/21] mm/mmap: Introduce abort_munmap_vmas() Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 03/21] mm/mmap: Introduce vmi_complete_munmap_vmas() Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 04/21] mm/mmap: Extract the gathering of vmas from do_vmi_align_munmap() Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 05/21] mm/mmap: Introduce vma_munmap_struct for use in munmap operations Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 06/21] mm/mmap: Change munmap to use vma_munmap_struct() for accounting and surrounding vmas Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 07/21] mm/mmap: Extract validate_mm() from vma_complete() Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 08/21] mm/mmap: Inline munmap operation in mmap_region() Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 09/21] mm/mmap: Expand mmap_region() munmap call Liam R. Howlett
2024-07-11 14:16   ` Lorenzo Stoakes
2024-07-10 19:22 ` [PATCH v4 10/21] mm/mmap: Support vma == NULL in init_vma_munmap() Liam R. Howlett
2024-07-11 14:28   ` Lorenzo Stoakes
2024-07-11 16:04     ` Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 11/21] mm/mmap: Reposition vma iterator in mmap_region() Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 12/21] mm/mmap: Track start and end of munmap in vma_munmap_struct Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 13/21] mm/mmap: Clean up unmap_region() argument list Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region() Liam R. Howlett
2024-07-11 15:25   ` Lorenzo Stoakes
2024-07-11 16:07     ` Liam R. Howlett
2024-07-16 12:46   ` kernel test robot [this message]
2024-07-17 17:42     ` Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 15/21] mm/mmap: Use PHYS_PFN " Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 16/21] mm/mmap: Use vms accounted pages " Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 17/21] mm/mmap: Drop arch_unmap() call from all archs Liam R. Howlett
2024-07-10 19:27   ` Dave Hansen
2024-07-10 21:02   ` LEROY Christophe
2024-07-10 23:26     ` Liam R. Howlett
2024-07-11  8:28       ` LEROY Christophe
2024-07-11 15:59         ` Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 18/21] mm/mmap: Move can_modify_mm() check down the stack Liam R. Howlett
2024-07-17  5:03   ` Jeff Xu
2024-07-17 14:07     ` Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 19/21] ipc/shm, mm: Drop do_vma_munmap() Liam R. Howlett
2024-07-10 19:22 ` [PATCH v4 20/21] mm/mmap: Move may_expand_vm() check in mmap_region() Liam R. Howlett
2024-07-11 15:38   ` Lorenzo Stoakes
2024-07-10 19:22 ` [PATCH v4 21/21] mm/mmap: Drop incorrect comment from vms_gather_munmap_vmas() Liam R. Howlett
2024-07-11 15:39   ` Lorenzo Stoakes

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