From: kernel test robot <oliver.sang@intel.com>
To: <nicolas.bouchinet@oss.cyber.gouv.fr>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
<linux-security-module@vger.kernel.org>, <ltp@lists.linux.it>,
Kees Cook <kees@kernel.org>, Paul Moore <paul@paul-moore.com>,
James Morris <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
<linux-kernel@vger.kernel.org>,
Olivier Bal-Petre <olivier.bal-petre@oss.cyber.gouv.fr>,
Nicolas Bouchinet <nicolas.bouchinet@ssi.gouv.fr>,
<oliver.sang@intel.com>
Subject: Re: [PATCH] lsm: yama: Check for PTRACE_MODE_READ_FSCREDS access
Date: Thu, 31 Jul 2025 15:17:53 +0800 [thread overview]
Message-ID: <202507310843.52fb528f-lkp@intel.com> (raw)
In-Reply-To: <20250718-yama_fix-v1-1-a51455359e67@ssi.gouv.fr>
Hello,
kernel test robot noticed "ltp.migrate_pages02.fail" on:
commit: 0d6496041d407998103595db3dc42240f124a7f1 ("[PATCH] lsm: yama: Check for PTRACE_MODE_READ_FSCREDS access")
url: https://github.com/intel-lab-lkp/linux/commits/nicolas-bouchinet-oss-cyber-gouv-fr/lsm-yama-Check-for-PTRACE_MODE_READ_FSCREDS-access/20250718-164849
patch link: https://lore.kernel.org/all/20250718-yama_fix-v1-1-a51455359e67@ssi.gouv.fr/
patch subject: [PATCH] lsm: yama: Check for PTRACE_MODE_READ_FSCREDS access
in testcase: ltp
version: ltp-x86_64-0e4be9201-1_20250726
with following parameters:
test: numa/migrate_pages02
config: x86_64-rhel-9.4-ltp
compiler: gcc-12
test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480+ (Sapphire Rapids) with 256G 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/202507310843.52fb528f-lkp@intel.com
Running tests.......
<<<test_start>>>
tag=migrate_pages02 stime=1753707486
cmdline="migrate_pages02"
contacts=""
analysis=exit
<<<test_output>>>
tst_tmpdir.c:316: TINFO: Using /tmp/ltp-5PDNJlpHwH/LTP_mig4NxxK0 as tmpdir (tmpfs filesystem)
tst_test.c:2004: TINFO: LTP version: 20250530-108-g0e4be9201
tst_test.c:2007: TINFO: Tested kernel: 6.16.0-rc2-00013-g0d6496041d40 #1 SMP PREEMPT_DYNAMIC Mon Jul 28 20:46:21 CST 2025 x86_64
tst_kconfig.c:88: TINFO: Parsing kernel config '/proc/config.gz'
tst_kconfig.c:676: TINFO: CONFIG_KASAN kernel option detected which might slow the execution
tst_test.c:1825: TINFO: Overall timeout per run is 0h 02m 00s
migrate_pages02.c:313: TINFO: Using nodes: 0 1
migrate_pages02.c:143: TINFO: current_process, cap_sys_nice: 1
migrate_pages02.c:147: TINFO: private anonymous: 0x7f1006150000
migrate_pages02.c:75: TINFO: pid(6801) migrate pid 0 to node -> 1
migrate_pages02.c:96: TINFO: migrate_pages could not migrate all pages, not migrated: 452
migrate_pages02.c:125: TPASS: pid(6801) addr 0x7f1006150000 is on expected node: 1
migrate_pages02.c:75: TINFO: pid(6801) migrate pid 0 to node -> 0
migrate_pages02.c:125: TPASS: pid(6801) addr 0x7f1006150000 is on expected node: 0
migrate_pages02.c:159: TINFO: shared anonymous: 0x7f1006150000
migrate_pages02.c:75: TINFO: pid(6801) migrate pid 0 to node -> 1
migrate_pages02.c:96: TINFO: migrate_pages could not migrate all pages, not migrated: 452
migrate_pages02.c:125: TPASS: pid(6801) addr 0x7f1006150000 is on expected node: 1
migrate_pages02.c:167: TINFO: child shared anonymous, cap_sys_nice: 1
migrate_pages02.c:75: TINFO: pid(6803) migrate pid 0 to node -> 0
migrate_pages02.c:125: TPASS: pid(6803) addr 0x7f100614f000 is on expected node: 0
migrate_pages02.c:125: TPASS: pid(6801) addr 0x7f1006150000 is on expected node: 0
migrate_pages02.c:143: TINFO: current_process, cap_sys_nice: 0
migrate_pages02.c:147: TINFO: private anonymous: 0x7f1006150000
migrate_pages02.c:75: TINFO: pid(6801) migrate pid 0 to node -> 1
migrate_pages02.c:96: TINFO: migrate_pages could not migrate all pages, not migrated: 452
migrate_pages02.c:125: TPASS: pid(6801) addr 0x7f1006150000 is on expected node: 1
migrate_pages02.c:75: TINFO: pid(6801) migrate pid 0 to node -> 0
migrate_pages02.c:125: TPASS: pid(6801) addr 0x7f1006150000 is on expected node: 0
migrate_pages02.c:159: TINFO: shared anonymous: 0x7f1006150000
migrate_pages02.c:75: TINFO: pid(6801) migrate pid 0 to node -> 1
migrate_pages02.c:96: TINFO: migrate_pages could not migrate all pages, not migrated: 452
migrate_pages02.c:125: TPASS: pid(6801) addr 0x7f1006150000 is on expected node: 1
migrate_pages02.c:167: TINFO: child shared anonymous, cap_sys_nice: 0
migrate_pages02.c:75: TINFO: pid(6804) migrate pid 0 to node -> 0
migrate_pages02.c:125: TPASS: pid(6804) addr 0x7f100614f000 is on expected node: 0
migrate_pages02.c:125: TPASS: pid(6801) addr 0x7f1006150000 is on expected node: 1
migrate_pages02.c:200: TINFO: other_process, cap_sys_nice: 1
migrate_pages02.c:75: TINFO: pid(6805) migrate pid 0 to node -> 0
migrate_pages02.c:125: TPASS: pid(6805) addr 0x7f1006150000 is on expected node: 0
migrate_pages02.c:75: TINFO: pid(6806) migrate pid 6805 to node -> 1
migrate_pages02.c:96: TINFO: migrate_pages could not migrate all pages, not migrated: 362
migrate_pages02.c:125: TPASS: pid(6805) addr 0x7f1006150000 is on expected node: 1
migrate_pages02.c:200: TINFO: other_process, cap_sys_nice: 0
migrate_pages02.c:75: TINFO: pid(6807) migrate pid 0 to node -> 0
migrate_pages02.c:125: TPASS: pid(6807) addr 0x7f1006150000 is on expected node: 0
migrate_pages02.c:75: TINFO: pid(6808) migrate pid 6807 to node -> 1
migrate_pages02.c:92: TFAIL: migrate_pages failed ret: -1, : EPERM (1)
migrate_pages02.c:55: TINFO: mem_stats pid: 6807, node: 1
Name: migrate_pages02
Umask: 0000
State: S (sleeping)
Tgid: 6807
Ngid: 0
Pid: 6807
PPid: 6801
TracerPid: 0
Uid: 65534 65534 65534 65534
Gid: 0 0 0 0
FDSize: 64
Groups:
NStgid: 6807
NSpid: 6807
NSpgid: 6801
NSsid: 2420
Kthread: 0
VmPeak: 2868 kB
VmSize: 2868 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 0 kB
VmRSS: 0 kB
RssAnon: 0 kB
RssFile: 0 kB
RssShmem: 0 kB
VmData: 348 kB
VmStk: 136 kB
VmExe: 132 kB
VmLib: 1548 kB
VmPTE: 48 kB
VmSwap: 0 kB
HugetlbPages: 0 kB
CoreDumping: 0
THP_enabled: 1
untag_mask: 0xffffffffffffffff
Threads: 1
SigQ: 0/444866
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000000000004
SigCgt: 0000000000000000
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
CapBnd: 000001ffffffffff
CapAmb: 0000000000000000
NoNewPrivs: 0
Seccomp: 0
Seccomp_filters: 0
Speculation_Store_Bypass: thread vulnerable
SpeculationIndirectBranch: conditional enabled
Cpus_allowed: ffffffff,ffffffff,ffffffff,ffffffff,ffffffff,ffffffff,ffffffff
Cpus_allowed_list: 0-223
Mems_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000003
Mems_allowed_list: 0-1
voluntary_ctxt_switches: 5
nonvoluntary_ctxt_switches: 0
cat: /proc/6807/numa_maps: Permission denied
migrate_pages02.c:65: TINFO: Node id: 1, size: 117471789056, free: 106811031552
migrate_pages02.c:129: TFAIL: pid(6807) addr 0x7f1006150000 not on expected node: 0 , expected 1
migrate_pages02.c:55: TINFO: mem_stats pid: 6807, node: 1
Name: migrate_pages02
Umask: 0000
State: S (sleeping)
Tgid: 6807
Ngid: 0
Pid: 6807
PPid: 6801
TracerPid: 0
Uid: 65534 65534 65534 65534
Gid: 0 0 0 0
FDSize: 64
Groups:
NStgid: 6807
NSpid: 6807
NSpgid: 6801
NSsid: 2420
Kthread: 0
VmPeak: 2904 kB
VmSize: 2868 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 0 kB
VmRSS: 0 kB
RssAnon: 0 kB
RssFile: 0 kB
RssShmem: 0 kB
VmData: 348 kB
VmStk: 136 kB
VmExe: 132 kB
VmLib: 1548 kB
VmPTE: 48 kB
VmSwap: 0 kB
HugetlbPages: 0 kB
CoreDumping: 0
THP_enabled: 1
untag_mask: 0xffffffffffffffff
Threads: 1
SigQ: 0/444866
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000010000
SigIgn: 0000000000000006
SigCgt: 0000000000000000
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
CapBnd: 000001ffffffffff
CapAmb: 0000000000000000
NoNewPrivs: 0
Seccomp: 0
Seccomp_filters: 0
Speculation_Store_Bypass: thread vulnerable
SpeculationIndirectBranch: conditional enabled
Cpus_allowed: ffffffff,ffffffff,ffffffff,ffffffff,ffffffff,ffffffff,ffffffff
Cpus_allowed_list: 0-223
Mems_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000003
Mems_allowed_list: 0-1
voluntary_ctxt_switches: 7
nonvoluntary_ctxt_switches: 0
cat: /proc/6807/numa_maps: Permission denied
migrate_pages02.c:65: TINFO: Node id: 1, size: 117471789056, free: 106811031552
Summary:
passed 13
failed 2
broken 0
skipped 0
warnings 0
incrementing stop
<<<execution_status>>>
initiation_status="ok"
duration=0 termination_type=exited termination_id=1 corefile=no
cutime=0 cstime=11
<<<test_end>>>
INFO: ltp-pan reported some tests FAIL
LTP Version: 20250530-108-g0e4be9201
###############################################################
Done executing testcases.
LTP Version: 20250530-108-g0e4be9201
###############################################################
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250731/202507310843.52fb528f-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2025-07-31 7:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-18 8:47 [PATCH] lsm: yama: Check for PTRACE_MODE_READ_FSCREDS access nicolas.bouchinet
2025-07-18 9:11 ` Nicolas Bouchinet
2025-07-18 14:52 ` Jann Horn
2025-07-18 15:55 ` Nicolas Bouchinet
2025-07-18 16:43 ` Jann Horn
2025-07-22 8:58 ` Nicolas Bouchinet
2025-07-31 7:17 ` kernel test robot [this message]
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