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Tue, 25 Nov 2025 02:13:53 -0800 (PST) Date: Tue, 25 Nov 2025 10:13:51 +0000 From: Wei Gao To: kernel test robot Cc: Andrei Vagin , Christian Brauner , Jan Kara , lkp@intel.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, oe-lkp@lists.linux.dev, ltp@lists.linux.it Subject: Re: [LTP] [linus:master] [fs/namespace] 78f0e33cd6: ltp.listmount04.fail Message-ID: References: <202511251629.ccc5680d-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <202511251629.ccc5680d-lkp@intel.com> On Tue, Nov 25, 2025 at 04:33:35PM +0800, kernel test robot wrote: >=20 >=20 > Hello, >=20 > kernel test robot noticed "ltp.listmount04.fail" on: >=20 > commit: 78f0e33cd6c939a555aa80dbed2fec6b333a7660 ("fs/namespace: correctl= y handle errors returned by grab_requested_mnt_ns") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master >=20 > [test failed on linus/master fd95357fd8c6778ac7dea6c57a19b8b182b6e91= f] > [test failed on linux-next/master d724c6f85e80a23ed46b7ebc6e38b527c09d64f= 5] >=20 > in testcase: ltp > version:=20 > with following parameters: >=20 > disk: 1SSD > fs: btrfs > test: syscalls-06/listmount04 >=20 >=20 >=20 > config: x86_64-rhel-9.4-ltp > compiler: gcc-14 > test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz= (Ivy Bridge) with 8G memory >=20 > (please refer to attached dmesg/kmsg for entire log/backtrace) >=20 >=20 >=20 > If you fix the issue in a separate patch/commit (i.e. not just a new vers= ion of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-lkp/202511251629.ccc5680d-lkp@intel.= com >=20 > 2025-11-20 21:35:09 export LTP_RUNTIME_MUL=3D2 > 2025-11-20 21:35:09 export LTPROOT=3D/lkp/benchmarks/ltp > 2025-11-20 21:35:09 kirk -U ltp -f temp_single_test -d /fs/sdb1/tmpdir > Host information >=20 > Hostname: lkp-ivb-d04 > Python: 3.13.5 (main, Jun 25 2025, 18:55:22) [GCC 14.2.0] > Directory: /fs/sdb1/tmpdir/kirk.root/tmp9k8rfwr2 >=20 > Connecting to SUT: default >=20 > Starting suite: temp_single_test > --------------------------------- > =1B[1;37mlistmount04: =1B[0m=1B[1;31mfail=1B[0m (0.016s) > = =20 > Execution time: 0.085s >=20 > Suite: temp_single_test > Total runs: 1 > Runtime: 0.016s > Passed: 7 > Failed: 1 > Skipped: 0 > Broken: 0 > Warnings: 0 > Kernel: Linux 6.18.0-rc1-00119-g78f0e33cd6c9 #1 SMP PREEMPT_DYNAMIC= Fri Nov 21 04:59:36 CST 2025 > Machine: unknown > Arch: x86_64 > RAM: 6900660 kB > Swap: 0 kB > Distro: debian 13 >=20 > Disconnecting from SUT: default > Session stopped >=20 >=20 >=20 > The kernel config and materials to reproduce are available at: > https://download.01.org/0day-ci/archive/20251125/202511251629.ccc5680d-lk= p@intel.com >=20 >=20 >=20 > --=20 > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki >=20 >=20 > --=20 > Mailing list info: https://lists.linux.it/listinfo/ltp I guess LTP failed message is "listmount04.c:128: TFAIL: invalid mnt_id_req= =2Espare expected EINVAL: EBADF (9) " ? Since i have not find LTP failure = log in this email thread. Base on kernel change remove spare and add new mnt_ns_fd but LTP listmount0= 4 still set spare. I suppose LTP case need update base latest change of kernel? Kernel: */ struct mnt_id_req { __u32 size; - __u32 spare; <<<<<<<< + __u32 mnt_ns_fd; <<<<<<<< __u64 mnt_id; __u64 param; __u64 mnt_ns_id; LTP case: { =2Ereq_usage =3D 1, =2Esize =3D MNT_ID_REQ_SIZE_VER0, =2Espare =3D -1, <<<<<<< =2Emnt_id =3D LSMT_ROOT, =2Emnt_ids =3D mnt_ids, =2Enr_mnt_ids =3D MNT_SIZE, =2Eexp_errno =3D EINVAL, =2Emsg =3D "invalid mnt_id_req.spare", },