Hello,
kernel test robot noticed "dmesg.BUG:Bad_rss-counter_state_mm:#type:MM_FILEPAGES_val" on:
commit: 98bf6a554986e068b9c94dfe8d8004cbe22cee96 ("mm: split a folio in minimum folio order chunks")
https://git.kernel.org/cgit/linux/kernel/git/mcgrof/linux.git 20240502-large-block-minorder-ignore-debugfs
in testcase: ltp
version: ltp-x86_64-14c1f76-1_20240508
with following parameters:
disk: 1HDD
test: mm-00
compiler: gcc-13
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (Kaby Lake) 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 version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <yujie.liu@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202405111644.40d50350-lkp@xxxxxxxxx
[ 612.787878][ T361] <<<test_start>>>
[ 612.794124][ T361] tag=ksm01 stime=1715338753
[ 612.801061][ T361] cmdline="ksm01"
[ 612.806948][ T361] contacts=""
[ 612.812510][ T361] analysis=exit
[ 612.818328][ T361] <<<test_output>>>
[ 612.825279][ T361] tst_kconfig.c:88: TINFO: Parsing kernel config '/proc/config.gz'
[ 612.836222][ T361] tst_test.c:1730: TINFO: LTP version: 20240129-247-g6052dca5d
...
[ 617.229304][ T361] mem.c:320: TFAIL: child 2 has c at 2,1,672162.
[ 617.239393][ T361] mem.c:320: TFAIL: child 2 has c at 2,1,672163.
[ 617.245639][ T3313] BUG: Bad rss-counter state mm:000000005a9ef575 type:MM_FILEPAGES val:-1
[ 617.256353][ T3313] BUG: Bad rss-counter state mm:000000005a9ef575 type:MM_ANONPAGES val:1
[ 617.262328][ T360] BUG: Bad rss-counter state mm:0000000093b60f35 type:MM_FILEPAGES val:-1
[ 617.262332][ T360] BUG: Bad rss-counter state mm:0000000093b60f35 type:MM_ANONPAGES val:1
[ 607.433779][ T361] <<<test_start>>>
[ 607.440371][ T361] tag=mmap10_4 stime=1715338751
[ 607.447741][ T361] cmdline="mmap10 -a -s -i 60"
[ 607.454734][ T361] contacts=""
[ 607.460279][ T361] analysis=exit
[ 607.466110][ T361] <<<test_output>>>
...
[ 610.420345][ T361] mmap10 0 TINFO : start tests.
[ 610.428698][ T361] mmap10 0 TINFO : add to KSM regions.
[ 610.437665][ T361] mmap10 0 TINFO : use anonymous pages.
[ 610.446601][ T361] mmap10 0 TINFO : start tests.
[ 610.452887][ T79] ------------[ cut here ]------------
[ 610.454940][ T361] mmap10 0 TINFO : add to KSM regions.
[ 610.459504][ T79] WARNING: CPU: 7 PID: 79 at mm/gup.c:229 try_grab_page (mm/gup.c:229 (discriminator 1))
[ 610.473307][ T79] Modules linked in: btrfs blake2b_generic xor intel_rapl_msr intel_rapl_common zstd_compress x86_pkg_temp_thermal intel_powerclamp coretemp raid6_pq kvm_intel libcrc32c i915 kvm sd_mod t10_pi crc64_rocksoft_generic crc64_rocksoft crc64 crct10dif_pclmul drm_buddy crc32_pclmul intel_gtt crc32c_intel sg ghash_clmulni_intel drm_display_helper sha512_ssse3 ttm rapl drm_kms_helper ahci wmi_bmof mei_wdt libahci video intel_cstate ipmi_devintf ipmi_msghandler intel_uncore i2c_designware_platform i2c_i801 mei_me libata idma64 i2c_designware_core i2c_smbus mei wmi pinctrl_sunrisepoint acpi_pad binfmt_misc fuse loop drm dm_mod ip_tables
[ 610.532426][ T79] CPU: 7 PID: 79 Comm: ksmd Tainted: G S 6.9.0-rc6-00008-g98bf6a554986 #1
[ 610.532430][ T79] Hardware name: Dell Inc. OptiPlex 7050/062KRH, BIOS 1.2.0 12/22/2016
[ 610.548196][ T79] RIP: 0010:try_grab_page (mm/gup.c:229 (discriminator 1))
[ 610.548201][ T79] Code: 40 f6 c5 01 0f 84 1a fe ff ff 48 83 ed 01 e9 14 fe ff ff be 04 00 00 00 4c 89 e7 e8 ad 01 14 00 f0 41 ff 04 24 e9 67 ff ff ff <0f> 0b b8 f4 ff ff ff 5b 5d 41 5c 41 5d c3 cc cc cc cc e8 8c 01 14
All code
========
0: 40 f6 c5 01 test $0x1,%bpl
4: 0f 84 1a fe ff ff je 0xfffffffffffffe24
a: 48 83 ed 01 sub $0x1,%rbp
e: e9 14 fe ff ff jmp 0xfffffffffffffe27
13: be 04 00 00 00 mov $0x4,%esi
18: 4c 89 e7 mov %r12,%rdi
1b: e8 ad 01 14 00 call 0x1401cd
20: f0 41 ff 04 24 lock incl (%r12)
25: e9 67 ff ff ff jmp 0xffffffffffffff91
2a:* 0f 0b ud2 <-- trapping instruction
2c: b8 f4 ff ff ff mov $0xfffffff4,%eax
31: 5b pop %rbx
32: 5d pop %rbp
33: 41 5c pop %r12
35: 41 5d pop %r13
37: c3 ret
38: cc int3
39: cc int3
3a: cc int3
3b: cc int3
3c: e8 .byte 0xe8
3d: 8c 01 mov %es,(%rcx)
3f: 14 .byte 0x14
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: b8 f4 ff ff ff mov $0xfffffff4,%eax
7: 5b pop %rbx
8: 5d pop %rbp
9: 41 5c pop %r12
b: 41 5d pop %r13
d: c3 ret
e: cc int3
f: cc int3
10: cc int3
11: cc int3
12: e8 .byte 0xe8
13: 8c 01 mov %es,(%rcx)
15: 14 .byte 0x14
[ 610.558435][ T79] RSP: 0018:ffffc900005f7a98 EFLAGS: 00010246
[ 610.558438][ T79] RAX: 0000000000000000 RBX: ffffea0005300740 RCX: ffffffff8193b8eb
[ 610.558440][ T79] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea0005300774
[ 610.583027][ T79] RBP: ffffea0005300740 R08: 0000000000000000 R09: fffff94000a600ee
[ 610.583029][ T79] R10: ffffea0005300777 R11: ffffc900005f7d60 R12: ffffea0005300774
[ 610.583046][ T79] R13: 0000000000000002 R14: 0000000000000002 R15: ffffea0005300740
[ 610.583048][ T79] FS: 0000000000000000(0000) GS:ffff888769b80000(0000) knlGS:0000000000000000
[ 610.583049][ T79] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 610.583051][ T79] CR2: 000055e715c96510 CR3: 000000081a85a001 CR4: 00000000003706f0
[ 610.594321][ T79] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 610.594323][ T79] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 610.594324][ T79] Call Trace:
[ 610.594326][ T79] <TASK>
[ 610.609918][ T79] ? __warn (kernel/panic.c:694)
[ 610.609922][ T79] ? try_grab_page (mm/gup.c:229 (discriminator 1))
[ 610.619897][ T79] ? report_bug (lib/bug.c:180 lib/bug.c:219)
[ 610.619901][ T79] ? handle_bug (arch/x86/kernel/traps.c:239 (discriminator 1))
[ 610.635497][ T79] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))
[ 610.635500][ T79] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
[ 610.635504][ T79] ? try_grab_page (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 include/linux/page_ref.h:67 include/linux/page_ref.h:89 mm/gup.c:229)
[ 610.650665][ T79] ? try_grab_page (mm/gup.c:229 (discriminator 1))
[ 610.650669][ T79] ? try_grab_page (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 include/linux/page_ref.h:67 include/linux/page_ref.h:89 mm/gup.c:229)
[ 610.664447][ T79] follow_page_pte (mm/gup.c:652 (discriminator 1))
[ 610.664451][ T79] ? __pfx_follow_page_pte (mm/gup.c:582)
[ 610.680047][ T79] ? replace_page (include/linux/mmu_notifier.h:486 (discriminator 1) mm/ksm.c:1461 (discriminator 1))
[ 610.680050][ T79] follow_pmd_mask+0x1cb/0xa20
[ 610.685963][ T79] ? __pfx_follow_pmd_mask+0x10/0x10
[ 610.685967][ T79] ? __pfx___might_resched (kernel/sched/core.c:10152)
[ 610.692052][ T79] follow_page (mm/gup.c:854)
[ 610.692055][ T79] ? __pfx_follow_page (mm/gup.c:839)
[ 610.692058][ T79] scan_get_next_rmap_item (mm/ksm.c:2651)
[ 610.702738][ T79] ? __pfx_scan_get_next_rmap_item (mm/ksm.c:2563)
[ 610.702742][ T79] ? __pfx___might_resched (kernel/sched/core.c:10152)
[ 610.702744][ T79] ksm_scan_thread (mm/ksm.c:2754 mm/ksm.c:2780)
[ 610.707751][ T361] mmap10 0 TINFO : start tests.
[ 610.711264][ T79] ? __pfx_ksm_scan_thread (mm/ksm.c:2770)
[ 610.711266][ T79] ? _raw_spin_lock_irqsave (arch/x86/include/asm/atomic.h:115 (discriminator 4) include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 4) include/linux/atomic/atomic-instrumented.h:1302 (discriminator 4) include/asm-generic/qspinlock.h:111 (discriminator 4) include/linux/spinlock.h:187 (discriminator 4) include/linux/spinlock_api_smp.h:111 (discriminator 4) kernel/locking/spinlock.c:162 (discriminator 4))
[ 610.711270][ T79] ? __pfx__raw_spin_lock_irqsave (kernel/locking/spinlock.c:161)
[ 610.717969][ T79] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 610.717972][ T79] ? __kthread_parkme (arch/x86/include/asm/bitops.h:206 (discriminator 1) arch/x86/include/asm/bitops.h:238 (discriminator 1) include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:280 (discriminator 1))
[ 610.727352][ T79] ? __pfx_ksm_scan_thread (mm/ksm.c:2770)
[ 610.727354][ T79] kthread (kernel/kthread.c:388)
[ 610.727357][ T79] ? __pfx_kthread (kernel/kthread.c:341)
[ 610.737340][ T79] ret_from_fork (arch/x86/kernel/process.c:153)
[ 610.744033][ T79] ? __pfx_kthread (kernel/kthread.c:341)
[ 610.753753][ T79] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
[ 610.764252][ T79] </TASK>
[ 610.771633][ T79] ---[ end trace 0000000000000000 ]---
The kernel config is available at:
https://download.01.org/0day-ci/archive/20240511/202405111644.40d50350-lkp@xxxxxxxxx
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
