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Howlett" , Lorenzo Stoakes , David Hildenbrand , Vlastimil Babka , Jann Horn , Pedro Falcato , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , linux-kernel@vger.kernel.org, Park Tae-sun , yi1.lai@intel.com Subject: Re: [PATCH] mm/mlock: fix zero-length request normalization and integer overflows Message-ID: <202610091104.927c0472-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <179066531783.50175.13377521828379196177@dgu.ac.kr> X-Stat-Signature: kewzggrqd9j9qb448qbadyemn6fmim1i X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: E949F120008 X-HE-Tag: 1791518747-278136 X-HE-Meta: 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 8KxQZhbh PQ3qoJpwdj+MmLTRGWxJS1MPV0LEIhUDPeq2yCEUP5vDTJaCgPpuFakGtlLypN+QDTjPOjk55BlA1QiVISOu70m0ht3ewjenYksIoOurE29UHUVJWFncZYX8uVozfLnHIsDAEHnSviX2Z61E0ac+CGHhaiNElELWSuMnatuw9P4NoWdw8ZiX9gNCZZUPzrwU9W2Qchsf3eVPmgbuvbhXKQRoOPkpORfsHERgWIZzHWz8N1MmD00a32OdW2zcQPLSE8oHP70MLtDPdYQAJq7NkbEI4e21im9BGipdK456Mmzej1rufzqnE3F5vHKRxhaBHnhpvgoucHQBOqOioUuML770RinoYczomUIRp Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed "ltp.mlock02.fail" on: commit: 04f914e0ef30c5119e204bdea0db05ec16d5778b ("[PATCH] mm/mlock: fix zero-length request normalization and integer overflows") url: https://github.com/intel-lab-lkp/linux/commits/Park-Tae-sun/mm-mlock-fix-zero-length-request-normalization-and-integer-overflows/20260929-145634 base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/all/179066531783.50175.13377521828379196177@dgu.ac.kr/ patch subject: [PATCH] mm/mlock: fix zero-length request normalization and integer overflows in testcase: ltp version: ltp-x86_64-0596b09f2-1_20260926 with following parameters: disk: 1HDD fs: btrfs test: syscalls-03 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 (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 | Closes: https://lore.kernel.org/oe-lkp/202610091104.927c0472-lkp@intel.com PATH=/lkp/benchmarks/ltp:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/lkp/lkp/src/bin 2026-10-02 22:24:50 cd /lkp/benchmarks/ltp '/lib/modules/7.3.0-rc4+/build' -> '/usr/src/linux-modbuild-x86_64-rhel-9.4-ltp-04f914e0ef30c5119e204bdea0db05ec16d5778b' 2026-10-02 22:24:51 make -j4 -C /lib/modules/7.3.0-rc4+/build M=/lkp/benchmarks/ltp/testcases/kernel/syscalls/delete_module KCFLAGS=-Wno-implicit-function-declaration -Wno-int-conversion make: Entering directory '/usr/src/perf_selftests-x86_64-rhel-9.4-ltp-04f914e0ef30c5119e204bdea0db05ec16d5778b' make[1]: Entering directory '/opt/rootfs/tmp/keep-initrd/lkp/benchmarks/ltp/testcases/kernel/syscalls/delete_module' warning: the compiler differs from the one used to build the kernel The kernel was built by: gcc-14 (Debian 14.2.0-19) 14.2.0 You are using: gcc (Debian 14.2.0-19) 14.2.0 warning: pahole version differs from the one used to build the kernel The kernel was built with: 132 You are using: 130 CC [M] dummy_del_mod.o CC [M] dummy_del_mod_dep.o dummy_del_mod.c:20:5: warning: no previous prototype for ‘dummy_func_test’ [-Wmissing-prototypes] 20 | int dummy_func_test(void) | ^~~~~~~~~~~~~~~ MODPOST Module.symvers WARNING: modpost: dummy_del_mod.ko: missing MODULE_DESCRIPTION() WARNING: modpost: dummy_del_mod_dep.ko: missing MODULE_DESCRIPTION() CC [M] dummy_del_mod.mod.o CC [M] .module-common.o CC [M] dummy_del_mod_dep.mod.o LD [M] dummy_del_mod.ko LD [M] dummy_del_mod_dep.ko make[1]: Leaving directory '/opt/rootfs/tmp/keep-initrd/lkp/benchmarks/ltp/testcases/kernel/syscalls/delete_module' make: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-9.4-ltp-04f914e0ef30c5119e204bdea0db05ec16d5778b' 2026-10-02 22:24:54 make -j4 -C /lib/modules/7.3.0-rc4+/build M=/lkp/benchmarks/ltp/testcases/kernel/syscalls/finit_module KCFLAGS=-Wno-implicit-function-declaration -Wno-int-conversion make: Entering directory '/usr/src/perf_selftests-x86_64-rhel-9.4-ltp-04f914e0ef30c5119e204bdea0db05ec16d5778b' make[1]: Entering directory '/opt/rootfs/tmp/keep-initrd/lkp/benchmarks/ltp/testcases/kernel/syscalls/finit_module' warning: the compiler differs from the one used to build the kernel The kernel was built by: gcc-14 (Debian 14.2.0-19) 14.2.0 You are using: gcc (Debian 14.2.0-19) 14.2.0 warning: pahole version differs from the one used to build the kernel The kernel was built with: 132 You are using: 130 CC [M] finit_module.o MODPOST Module.symvers WARNING: modpost: finit_module.ko: missing MODULE_DESCRIPTION() CC [M] finit_module.mod.o CC [M] .module-common.o LD [M] finit_module.ko make[1]: Leaving directory '/opt/rootfs/tmp/keep-initrd/lkp/benchmarks/ltp/testcases/kernel/syscalls/finit_module' make: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-9.4-ltp-04f914e0ef30c5119e204bdea0db05ec16d5778b' 2026-10-02 22:24:56 make -j4 -C /lib/modules/7.3.0-rc4+/build M=/lkp/benchmarks/ltp/testcases/kernel/syscalls/init_module KCFLAGS=-Wno-implicit-function-declaration -Wno-int-conversion make: Entering directory '/usr/src/perf_selftests-x86_64-rhel-9.4-ltp-04f914e0ef30c5119e204bdea0db05ec16d5778b' make[1]: Entering directory '/opt/rootfs/tmp/keep-initrd/lkp/benchmarks/ltp/testcases/kernel/syscalls/init_module' warning: the compiler differs from the one used to build the kernel The kernel was built by: gcc-14 (Debian 14.2.0-19) 14.2.0 You are using: gcc (Debian 14.2.0-19) 14.2.0 warning: pahole version differs from the one used to build the kernel The kernel was built with: 132 You are using: 130 CC [M] init_module.o MODPOST Module.symvers WARNING: modpost: init_module.ko: missing MODULE_DESCRIPTION() CC [M] init_module.mod.o CC [M] .module-common.o LD [M] init_module.ko make[1]: Leaving directory '/opt/rootfs/tmp/keep-initrd/lkp/benchmarks/ltp/testcases/kernel/syscalls/init_module' make: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-9.4-ltp-04f914e0ef30c5119e204bdea0db05ec16d5778b' 2026-10-02 22:24:59 export LTP_RUNTIME_MUL=2 2026-10-02 22:24:59 export LTPROOT=/lkp/benchmarks/ltp 2026-10-02 22:24:59 kirk -f syscalls-03 --tmp-dir /fs/sda2/tmpdir Host information Hostname: lkp-ivb-d04 Python: 3.13.5 (main, Jun 13 2026, 14:18:01) [GCC 14.2.0] Directory: /fs/sda2/tmpdir/kirk.root/tmprsp5n38n Connecting to SUT: default Suite: syscalls-03 ────────────────── [1;37maccept03: [0m [1;32mpass [0m (0.056s) [1;37madd_key01: [0m [1;32mpass [0m (0.032s) [1;37malarm07: [0m [1;32mpass [0m (3.021s) [1;37march_prctl01: [0m [1;32mpass [0m (0.038s) [1;37mbpf_map01: [0m [1;32mpass [0m (0.031s) [1;37mbpf_prog02: [0m [1;32mpass [0m (0.026s) [1;37mbrk02: [0m [1;32mpass [0m (0.032s) [1;37mcapget02: [0m [1;32mpass [0m (0.023s) [1;37mcapset03: [0m [1;32mpass [0m (0.026s) [1;37mchmod08: [0m [1;32mpass [0m (0.025s) [1;37mchown02: [0m [1;32mpass [0m (0.033s) [1;37mchown04: [0m [1;32mpass [0m (0.035s) [1;37mclock_nanosleep04: [0m [1;32mpass [0m (0.071s) [1;37mclone304: [0m [1;32mpass [0m (0.043s) [1;37mclose02: [0m [1;32mpass [0m (0.033s) [1;37mcreat03: [0m [1;32mpass [0m (0.034s) [1;37mcreat05: [0m [1;32mpass [0m (0.104s) [1;37mcreat09: [0m [1;32mpass [0m (2.213s) [1;37mepoll_ctl03: [0m [1;32mpass [0m (0.038s) [1;37mepoll_ctl05: [0m [1;32mpass [0m (0.031s) [1;37mepoll_ctl06: [0m [1;32mpass [0m (0.031s) [1;37mepoll_wait04: [0m [1;32mpass [0m (0.028s) [1;37mepoll_wait16: [0m [1;32mpass [0m (0.038s) 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[1;32mpass [0m (0.457s) [1;37muserfaultfd02: [0m [1;32mpass [0m (0.035s) [1;37muserfaultfd06: [0m [1;32mpass [0m (0.037s) [1;37mutime06: [0m [1;32mpass [0m (0.034s) [1;37mwait401: [0m [1;32mpass [0m (0.026s) [1;37mwaitpid10: [0m [1;32mpass [0m (2.036s) [1;37mwaitid05: [0m [1;32mpass [0m (0.015s) [1;37mwritev06: [0m [1;32mpass [0m (0.036s) [1;37mperf_event_open01: [0m [1;32mpass [0m (0.227s) [1;37mfutex_cmp_requeue03: [0m [1;32mpass [0m (0.025s) [1;37mfutex_wait05: [0m [1;32mpass [0m (8.378s) [1;37mfutex_waitv02: [0m [1;32mpass [0m (0.667s) [1;37mfutex_wake03: [0m [1;32mpass [0m (0.086s) [1;37mmemfd_create03: [0m [1;32mpass [0m (4.430s) [1;37mcopy_file_range01: [0m [1;36mskip [0m (25.754s) Execution time: 3m 53s Disconnecting from SUT: default Target information ────────────────── Kernel: Linux 7.3.0-rc4+ #1 SMP PREEMPT_DYNAMIC Sat Oct 3 05:36:16 CST 2026 Cmdline: ip=::::lkp-ivb-d04::dhcp root=/dev/ram0 RESULT_ROOT=/result/ltp/1HDD-btrfs-syscalls-03/lkp-ivb-d04/debian-13-x86_64-20250902.cgz/x86_64-rhel-9.4-ltp/gcc-14/04f914e0ef30c5119e204bdea0db05ec16d5778b/0 BOOT_IMAGE=/pkg/linux/x86_64-rhel-9.4-ltp/gcc-14/04f914e0ef30c5119e204bdea0db05ec16d5778b/vmlinuz-7.3.0-rc4+ branch=internal-devel/devel-hourly-20260930-212937 job=/lkp/jobs/scheduled/lkp-ivb-d04/ltp-1HDD-btrfs-syscalls-03-debian-13-x86_64-20250902.cgz-04f914e0ef30-20261003-53256-bvcqf0-1.yaml user=lkp ARCH=x86_64 kconfig=x86_64-rhel-9.4-ltp commit=04f914e0ef30c5119e204bdea0db05ec16d5778b intremap=posted_msi max_uptime=7200 LKP_SERVER=internal-lkp-server nokaslr selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw keep_initrds=/osimage/pkg/debian-13-x86_64-20250902.cgz/ltp-x86_64-0596b09f2-1_20260926.cgz acpi_rsdp=0x000f0490 Machine: unknown Arch: x86_64 RAM: 6894444 kB Swap: 0 kB Distro: debian 13 ──────────────────────── TEST SUMMARY ──────────────────────── Suite: syscalls-03 Runtime: 3m 43s Runs: 189 Results: Passed: 2283 Failed: 1 Broken: 0 Skipped: 230 Warnings: 0 [1;31mFailures: [0m • mlock02 Session stopped /tmp/kirk.root/latest is not found The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20261009/202610091104.927c0472-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki