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Howlett" , Matthew Wilcox , "Paul E . McKenney" , Pedro Falcato , Usama Arif , Vlastimil Babka , linux-fsdevel@vger.kernel.org, yi1.lai@intel.com Subject: [linus:master] [selftests/proc] ca5480fb53: kselftests.proc.proc-maps-race.fail Message-ID: <202610271934.fd287c3f-lkp@intel.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello, kernel test robot noticed "kselftests.proc.proc-maps-race.fail" on: commit: ca5480fb53fa73cb5816b696b103826daedab1ca ("selftests/proc: add /pro= c/pid/smaps_rollup tearing tests") https://git.kernel.org/cgit/linux/kernel= /git/torvalds/linux.git master [test failed on linux-next/master f1ac44c32cba88ad65dcecd4a279661d14e93651] in testcase: kselftests version: kselftests-x86_64-d6d3455d8751-1_20261013 with following parameters: group: proc config: x86_64-rhel-9.4-kselftests compiler: gcc-14 test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-9980XE CPU @ 3.00GH= z (Skylake) with 32G 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 versio= n of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202610271934.fd287c3f-lkp@intel.com KERNEL SELFTESTS: linux_headers_dir is /usr/src/linux-headers-x86_64-rhel-9= =2E4-kselftests-ca5480fb53fa73cb5816b696b103826daedab1ca 2026-10-26 14:37:46 sed -i s/default_timeout=3D45/default_timeout=3D300/ ks= elftest/runner.sh 2026-10-26 14:37:46 make -j36 TARGETS=3Dproc run_tests CC fd-001-lookup CC fd-002-posix-eq CC fd-003-kthread CC proc-2-is-kthread CC proc-loadavg-001 CC proc-maps-race CC proc-net-dev-lseek CC proc-empty-vm CC proc-self-map-files-001 CC proc-pid-vm CC proc-self-map-files-002 CC proc-self-isnt-kthread CC proc-self-syscall CC proc-self-wchan CC proc-subset-pid CC proc-uptime-001 CC proc-uptime-002 CC read CC proc-tid0 CC self CC setns-dcache CC setns-sysvipc CC thread-self CC proc-multiple-procfs CC proc-fsconfig-hidepid CC proc-pidns # timeout set to 300 # selftests: proc: fd-001-lookup ok 1 selftests: proc: fd-001-lookup # timeout set to 300 # selftests: proc: fd-002-posix-eq ok 2 selftests: proc: fd-002-posix-eq # timeout set to 300 # selftests: proc: fd-003-kthread ok 3 selftests: proc: fd-003-kthread # timeout set to 300 # selftests: proc: proc-2-is-kthread ok 4 selftests: proc: proc-2-is-kthread # timeout set to 300 # selftests: proc: proc-loadavg-001 ok 5 selftests: proc: proc-loadavg-001 # timeout set to 300 # selftests: proc: proc-maps-race # TAP version 13 # 1..6 # # Starting 6 tests from 2 test cases. # # RUN proc_maps_race.maps.test_maps_tearing_from_split ... # # OK proc_maps_race.maps.test_maps_tearing_from_split # ok 1 proc_maps_race.maps.test_maps_tearing_from_split # # RUN proc_maps_race.maps.test_maps_tearing_from_resize ... # # OK proc_maps_race.maps.test_maps_tearing_from_resize # ok 2 proc_maps_race.maps.test_maps_tearing_from_resize # # RUN proc_maps_race.maps.test_maps_tearing_from_remap ... # # OK proc_maps_race.maps.test_maps_tearing_from_remap # ok 3 proc_maps_race.maps.test_maps_tearing_from_remap # # RUN proc_maps_race.smaps.test_maps_tearing_from_split ... # Expected stats: = Rss 892 kB # Pss 82 kB # Pss_Dirty 82 kB # Pss_Anon 54 kB # Pss_File 24 kB # Pss_Shmem 3 kB # Shared_Clean 0 kB # Shared_Dirty 860 kB # Private_Clean 0 kB # Private_Dirty 32 kB # Referenced 892 kB # Anonymous 120 kB # KSM 0 kB # LazyFree 0 kB # AnonHugePages 0 kB # ShmemPmdMapped 0 kB # FilePmdMapped 0 kB # Shared_Hugetlb 0 kB # Private_Hugetlb 0 kB # Swap 0 kB # SwapPss 0 kB # Locked 0 kB # Actual stats: = Rss 892 kB # Pss 81 kB # Pss_Dirty 81 kB # Pss_Anon 54 kB # Pss_File 24 kB # Pss_Shmem 3 kB # Shared_Clean 0 kB # Shared_Dirty 860 kB # Private_Clean 0 kB # Private_Dirty 32 kB # Referenced 892 kB # Anonymous 120 kB # KSM 0 kB # LazyFree 0 kB # AnonHugePages 0 kB # ShmemPmdMapped 0 kB # FilePmdMapped 0 kB # Shared_Hugetlb 0 kB # Private_Hugetlb 0 kB # Swap 0 kB # SwapPss 0 kB # Locked 0 kB # # proc-maps-race.c:961:test_maps_tearing_from_split:Expected 0 (0) !=3D c= ompare_smaps_rollup(self, &orig_stats, &stats) (0) # # test_maps_tearing_fr= om_split: Test terminated by timeout # # FAIL proc_maps_race.smaps.test_maps_tearing_from_split # not ok 4 proc_maps_race.smaps.test_maps_tearing_from_split # # RUN proc_maps_race.smaps.test_maps_tearing_from_resize ... # Expected stats: = Rss 956 kB # Pss 83 kB # Pss_Dirty 83 kB # Pss_Anon 54 kB # Pss_File 26 kB # Pss_Shmem 3 kB # Shared_Clean 0 kB # Shared_Dirty 924 kB # Private_Clean 0 kB # Private_Dirty 32 kB # Referenced 956 kB # Anonymous 120 kB # KSM 0 kB # LazyFree 0 kB # AnonHugePages 0 kB # ShmemPmdMapped 0 kB # FilePmdMapped 0 kB # Shared_Hugetlb 0 kB # Private_Hugetlb 0 kB # Swap 0 kB # SwapPss 0 kB # Locked 0 kB # Actual stats: = Rss 956 kB # Pss 83 kB # Pss_Dirty 83 kB # Pss_Anon 54 kB # Pss_File 25 kB # Pss_Shmem 3 kB # Shared_Clean 0 kB # Shared_Dirty 924 kB # Private_Clean 0 kB # Private_Dirty 32 kB # Referenced 956 kB # Anonymous 120 kB # KSM 0 kB # LazyFree 0 kB # AnonHugePages 0 kB # ShmemPmdMapped 0 kB # FilePmdMapped 0 kB # Shared_Hugetlb 0 kB # Private_Hugetlb 0 kB # Swap 0 kB # SwapPss 0 kB # Locked 0 kB # # proc-maps-race.c:1050:test_maps_tearing_from_resize:Expected 0 (0) !=3D= compare_smaps_rollup(self, &orig_stats, &stats) (0) # # test_maps_tearing_= =66rom_resize: Test terminated by timeout # # FAIL proc_maps_race.smaps.test_maps_tearing_from_resize # not ok 5 proc_maps_race.smaps.test_maps_tearing_from_resize # # RUN proc_maps_race.smaps.test_maps_tearing_from_remap ... # Expected stats: = Rss 956 kB # Pss 84 kB # Pss_Dirty 84 kB # Pss_Anon 54 kB # Pss_File 26 kB # Pss_Shmem 3 kB # Shared_Clean 0 kB # Shared_Dirty 924 kB # Private_Clean 0 kB # Private_Dirty 32 kB # Referenced 956 kB # Anonymous 120 kB # KSM 0 kB # LazyFree 0 kB # AnonHugePages 0 kB # ShmemPmdMapped 0 kB # FilePmdMapped 0 kB # Shared_Hugetlb 0 kB # Private_Hugetlb 0 kB # Swap 0 kB # SwapPss 0 kB # Locked 0 kB # Actual stats: = Rss 956 kB # Pss 83 kB # Pss_Dirty 83 kB # Pss_Anon 54 kB # Pss_File 26 kB # Pss_Shmem 3 kB # Shared_Clean 0 kB # Shared_Dirty 924 kB # Private_Clean 0 kB # Private_Dirty 32 kB # Referenced 956 kB # Anonymous 120 kB # KSM 0 kB # LazyFree 0 kB # AnonHugePages 0 kB # ShmemPmdMapped 0 kB # FilePmdMapped 0 kB # Shared_Hugetlb 0 kB # Private_Hugetlb 0 kB # Swap 0 kB # SwapPss 0 kB # Locked 0 kB # # proc-maps-race.c:1141:test_maps_tearing_from_remap:Expected 0 (0) !=3D = compare_smaps_rollup(self, &orig_stats, &stats) (0) # # test_maps_tearing_f= rom_remap: Test terminated by timeout # # FAIL proc_maps_race.smaps.test_maps_tearing_from_remap # not ok 6 proc_maps_race.smaps.test_maps_tearing_from_remap # # FAILED: 3 / 6 tests passed. # # Totals: pass:3 fail:3 xfail:0 xpass:0 skip:0 error:0 not ok 6 selftests= : proc: proc-maps-race # exit=3D1 # timeout set to 300 # selftests: proc: p= roc-net-dev-lseek ok 7 selftests: proc: proc-net-dev-lseek # timeout set to= 300 # selftests: proc: proc-empty-vm # protection_key_support: error: rv -= 1, errno 28 not ok 8 selftests: proc: proc-empty-vm # exit=3D1 # timeout se= t to 300 # selftests: proc: proc-pid-vm ok 9 selftests: proc: proc-pid-vm #= timeout set to 300 # selftests: proc: proc-self-map-files-001 ok 10 selfte= sts: proc: proc-self-map-files-001 # timeout set to 300 # selftests: proc: = proc-self-map-files-002 ok 11 selftests: proc: proc-self-map-files-002 # ti= meout set to 300 # selftests: proc: proc-self-isnt-kthread ok 12 selftests:= proc: proc-self-isnt-kthread # timeout set to 300 # selftests: proc: proc-= self-syscall ok 13 selftests: proc: proc-self-syscall # timeout set to 300 = # selftests: proc: proc-self-wchan ok 14 selftests: proc: proc-self-wchan #= timeout set to 300 # selftests: proc: proc-subset-pid ok 15 selftests: pro= c: proc-subset-pid # timeout set to 300 # selftests: proc: proc-tid0 ok 16 = selftests: proc: proc-tid0 # timeout set to 300 # selftests: proc: proc-upt= ime-001 ok 17 selftests: proc: proc-uptime-001 # timeout set to 300 # selft= ests: proc: proc-uptime-002 ok 18 selftests: proc: proc-uptime-002 # timeou= t set to 300 # selftests: proc: read ok 19 selftests: proc: read # timeout = set to 300 # selftests: proc: self ok 20 selftests: proc: self # timeout se= t to 300 # selftests: proc: setns-dcache ok 21 selftests: proc: setns-dcach= e # timeout set to 300 # selftests: proc: setns-sysvipc ok 22 selftests: pr= oc: setns-sysvipc # timeout set to 300 # selftests: proc: thread-self ok 23= selftests: proc: thread-self # timeout set to 300 # selftests: proc: proc-= multiple-procfs ok 24 selftests: proc: proc-multiple-procfs # timeout set t= o 300 # selftests: proc: proc-fsconfig-hidepid ok 25 selftests: proc: proc-= fsconfig-hidepid # timeout set to 300 # selftests: proc: proc-pidns # TAP v= ersion 13 # 1..6 # # Starting 6 tests from 1 test cases. # # RUN ns.pidns_mount_string_path ... # # OK ns.pidns_mount_string_path # ok 1 ns.pidns_mount_string_path # # RUN ns.pidns_fsconfig_string_path ... # # OK ns.pidns_fsconfig_string_path # ok 2 ns.pidns_fsconfig_string_path # # RUN ns.pidns_fsconfig_fd ... # # OK ns.pidns_fsconfig_fd # ok 3 ns.pidns_fsconfig_fd # # RUN ns.pidns_reconfigure_remount ... # # OK ns.pidns_reconfigure_remount # ok 4 ns.pidns_reconfigure_remount # # RUN ns.pidns_reconfigure_fsconfig_string_path ... # # OK ns.pidns_reconfigure_fsconfig_string_path # ok 5 ns.pidns_reconfigure_fsconfig_string_path # # RUN ns.pidns_reconfigure_fsconfig_fd ... # # OK ns.pidns_reconfigure_fsconfig_fd # ok 6 ns.pidns_reconfigure_fsconfig_fd # # PASSED: 6 / 6 tests passed. # # Totals: pass:6 fail:0 xfail:0 xpass:0 skip:0 error:0 ok 26 selftests: p= roc: proc-pidns The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20261027/202610271934.fd287c3f-lkp@= intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki