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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 在 2024/8/23 22:04, zhiguojiang 写道: > > > 在 2024/8/23 10:33, kernel test robot 写道: >> [Some people who received this message don't often get email from >> oliver.sang@intel.com. Learn why this is important at >> https://aka.ms/LearnAboutSenderIdentification ] >> >> Hello, >> >> kernel test robot noticed "WARNING:at_mm/rmap.c:#unlink_anon_vmas" on: >> >> commit: ae307233d6efc18c3d6015b127b099450ca8588e ("[PATCH] mm: vma >> remove the redundant avc binded with old folio") >> url: >> https://github.com/intel-lab-lkp/linux/commits/Zhiguo-Jiang/mm-vma-remove-the-redundant-avc-binded-with-old-folio/20240820-223531 >> base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git >> mm-everything >> patch link: >> https://lore.kernel.org/all/20240820143359.199-1-justinjiang@vivo.com/ >> patch subject: [PATCH] mm: vma remove the redundant avc binded with >> old folio >> >> in testcase: boot >> >> compiler: gcc-12 >> test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 >> -m 16G >> >> (please refer to attached dmesg/kmsg for entire log/backtrace) >> >> >> +----------------------------------------+------------+------------+ >> |                                        | 75bee94793 | ae307233d6 | >> +----------------------------------------+------------+------------+ >> | WARNING:at_mm/rmap.c:#unlink_anon_vmas | 0          | 6          | >> | RIP:unlink_anon_vmas                   | 0          | 6          | >> +----------------------------------------+------------+------------+ >> >> >> 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/202408230938.43f55b4-lkp@intel.com > Fix the issue, please help to review again. > https://lore.kernel.org/linux-mm/20240823140139.263-1-justinjiang@vivo.com/T/#u > Sorry, please help to review this patch. https://lore.kernel.org/linux-mm/20240823150206.565-1-justinjiang@vivo.com/T/#u Thanks Zhiguo > > Thanks > Zhiguo >> >> >> [   36.655884][  T197] ------------[ cut here ]------------ >> [ 36.656843][ T197] WARNING: CPU: 1 PID: 197 at mm/rmap.c:443 >> unlink_anon_vmas (mm/rmap.c:443 (discriminator 1)) >> [   36.658183][  T197] Modules linked in: sg ata_piix libata >> crc32_pclmul crc32c_intel scsi_mod polyval_clmulni polyval_generic >> ghash_clmulni_intel sha512_ssse3 aesni_intel scsi_common cmdlinepart >> [   36.660508][  T197] CPU: 1 UID: 0 PID: 197 Comm: lkp-bootstrap >> Tainted: G                T 6.11.0-rc3-00378-gae307233d6ef #1 >> 5ff8330b382acbcd2719e520175822ac6c64d0eb >> [   36.662685][  T197] Tainted: [T]=RANDSTRUCT >> [ 36.663288][ T197] RIP: 0010:unlink_anon_vmas (mm/rmap.c:443 >> (discriminator 1)) >> [ 36.668434][ T197] Code: 7f fe ff ff 48 83 c4 28 5b 5d 41 5c 41 5d >> 41 5e 41 5f 31 c0 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 c3 90 0f >> 0b 90 eb ad 90 <0f> 0b 90 eb 82 90 0f 0b 90 48 8d 7e 08 e8 2d a2 bf >> ff e9 ca fc ff >> All code >> ======== >>     0:   7f fe                   jg     0x0 >>     2:   ff                      (bad) >>     3:   ff 48 83                decl   -0x7d(%rax) >>     6:   c4                      (bad) >>     7:   28 5b 5d                sub    %bl,0x5d(%rbx) >>     a:   41 5c                   pop    %r12 >>     c:   41 5d                   pop    %r13 >>     e:   41 5e                   pop    %r14 >>    10:   41 5f                   pop    %r15 >>    12:   31 c0                   xor    %eax,%eax >>    14:   31 d2                   xor    %edx,%edx >>    16:   31 c9                   xor    %ecx,%ecx >>    18:   31 f6                   xor    %esi,%esi >>    1a:   31 ff                   xor    %edi,%edi >>    1c:   45 31 c0                xor    %r8d,%r8d >>    1f:   45 31 c9                xor    %r9d,%r9d >>    22:   c3                      ret >>    23:   90                      nop >>    24:   0f 0b                   ud2 >>    26:   90                      nop >>    27:   eb ad                   jmp    0xffffffffffffffd6 >>    29:   90                      nop >>    2a:*  0f 0b                   ud2             <-- trapping >> instruction >>    2c:   90                      nop >>    2d:   eb 82                   jmp    0xffffffffffffffb1 >>    2f:   90                      nop >>    30:   0f 0b                   ud2 >>    32:   90                      nop >>    33:   48 8d 7e 08             lea    0x8(%rsi),%rdi >>    37:   e8 2d a2 bf ff          call   0xffffffffffbfa269 >>    3c:   e9                      .byte 0xe9 >>    3d:   ca fc ff                lret   $0xfffc >> >> Code starting with the faulting instruction >> =========================================== >>     0:   0f 0b                   ud2 >>     2:   90                      nop >>     3:   eb 82                   jmp    0xffffffffffffff87 >>     5:   90                      nop >>     6:   0f 0b                   ud2 >>     8:   90                      nop >>     9:   48 8d 7e 08             lea    0x8(%rsi),%rdi >>     d:   e8 2d a2 bf ff          call   0xffffffffffbfa23f >>    12:   e9                      .byte 0xe9 >>    13:   ca fc ff                lret   $0xfffc >> [   36.671148][  T197] RSP: 0000:ffffc900019ffad8 EFLAGS: 00010202 >> [   36.671931][  T197] RAX: 1ffff1102e73f0bf RBX: ffff888173c55ab0 >> RCX: 0000000000000000 >> [   36.672880][  T197] RDX: 1ffff110241d68e2 RSI: 0000000000000000 >> RDI: ffff8881739f85f8 >> [   36.673933][  T197] RBP: ffff888120eb4700 R08: 0000000000000000 >> R09: 0000000000000000 >> [   36.675002][  T197] R10: 0000000000000000 R11: 0000000000000000 >> R12: ffff8881739f8550 >> [   36.676082][  T197] R13: ffff888173c55aa0 R14: dffffc0000000000 >> R15: ffff888120eb4710 >> [   36.677134][  T197] FS:  0000000000000000(0000) >> GS:ffff8883af300000(0000) knlGS:0000000000000000 >> [   36.678328][  T197] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033 >> [   36.679207][  T197] CR2: 000000005663e33c CR3: 000000012021c000 >> CR4: 00000000000406b0 >> [   36.680251][  T197] Call Trace: >> [   36.680681][  T197]  >> [ 36.681079][ T197] ? __warn (kernel/panic.c:735) >> [ 36.681682][ T197] ? unlink_anon_vmas (mm/rmap.c:443 (discriminator 1)) >> [ 36.682312][ T197] ? report_bug (lib/bug.c:180 lib/bug.c:219) >> [ 36.682920][ T197] ? handle_bug (arch/x86/kernel/traps.c:239) >> [ 36.683494][ T197] ? exc_invalid_op (arch/x86/kernel/traps.c:260 >> (discriminator 1)) >> [ 36.684125][ T197] ? asm_exc_invalid_op >> (arch/x86/include/asm/idtentry.h:621) >> [ 36.684804][ T197] ? unlink_anon_vmas (mm/rmap.c:443 (discriminator 1)) >> [ 36.685501][ T197] ? unlink_anon_vmas (mm/rmap.c:400) >> [ 36.686185][ T197] free_pgtables (mm/memory.c:410) >> [ 36.686819][ T197] ? free_pgd_range (mm/memory.c:367) >> [ 36.687466][ T197] ? preempt_count_add (include/linux/ftrace.h:976 >> kernel/sched/core.c:5634 kernel/sched/core.c:5659) >> [ 36.688179][ T197] exit_mmap (mm/mmap.c:1934) >> [ 36.688758][ T197] ? trace_contention_end >> (include/trace/events/lock.h:122 (discriminator 52)) >> [ 36.689496][ T197] ? do_vma_munmap (mm/mmap.c:1895) >> [ 36.690125][ T197] ? __mutex_lock >> (arch/x86/include/asm/preempt.h:103 kernel/locking/mutex.c:618 >> kernel/locking/mutex.c:752) >> [ 36.690779][ T197] ? __mutex_unlock_slowpath >> (arch/x86/include/asm/atomic64_64.h:101 >> include/linux/atomic/atomic-arch-fallback.h:4329 >> include/linux/atomic/atomic-long.h:1506 >> include/linux/atomic/atomic-instrumented.h:4481 >> kernel/locking/mutex.c:929) >> [ 36.691585][ T197] __mmput (kernel/fork.c:1346) >> [ 36.692143][ T197] exit_mm (kernel/exit.c:572) >> [ 36.692699][ T197] do_exit (arch/x86/include/asm/jump_label.h:27 >> include/linux/jump_label.h:207 include/trace/events/sched.h:333 >> kernel/exit.c:930) >> [ 36.693256][ T197] ? do_raw_spin_lock >> (arch/x86/include/asm/atomic.h:107 >> include/linux/atomic/atomic-arch-fallback.h:2170 >> include/linux/atomic/atomic-instrumented.h:1302 >> include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) >> [ 36.693947][ T197] ? stack_not_used (kernel/exit.c:878) >> [ 36.694605][ T197] ? _raw_spin_unlock_irq >> (arch/x86/include/asm/irqflags.h:42 >> arch/x86/include/asm/irqflags.h:97 >> include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) >> [ 36.695304][ T197] do_group_exit (kernel/exit.c:1069) >> [ 36.695908][ T197] __ia32_sys_exit_group (kernel/exit.c:1097) >> [ 36.696561][ T197] ia32_sys_call (??:?) >> [ 36.697142][ T197] do_int80_emulation (arch/x86/entry/common.c:165 >> arch/x86/entry/common.c:253) >> [ 36.697852][ T197] asm_int80_emulation >> (arch/x86/include/asm/idtentry.h:626) >> [   36.698504][  T197] RIP: 0023:0xf7f03092 >> [ 36.699039][ T197] Code: Unable to access opcode bytes at 0xf7f03068. >> >> Code starting with the faulting instruction >> =========================================== >> [   36.699967][  T197] RSP: 002b:00000000ffcfddd8 EFLAGS: 00000296 >> ORIG_RAX: 00000000000000fc >> [   36.701055][  T197] RAX: ffffffffffffffda RBX: 0000000000000000 >> RCX: 0000000003323d2f >> [   36.702120][  T197] RDX: 00000000ffcfde00 RSI: 0000000056633734 >> RDI: 00000000f7ef8000 >> [   36.703147][  T197] RBP: 00000000ffcfdef8 R08: 0000000000000000 >> R09: 0000000000000000 >> [   36.704165][  T197] R10: 0000000000000000 R11: 0000000000000000 >> R12: 0000000000000000 >> [   36.705185][  T197] R13: 0000000000000000 R14: 0000000000000000 >> R15: 0000000000000000 >> [   36.706281][  T197]  >> [   36.706698][  T197] irq event stamp: 10051 >> [ 36.707257][ T197] hardirqs last enabled at (10059): console_unlock >> (arch/x86/include/asm/irqflags.h:26 >> arch/x86/include/asm/irqflags.h:87 >> arch/x86/include/asm/irqflags.h:147 kernel/printk/printk.c:341 >> kernel/printk/printk.c:2801 kernel/printk/printk.c:3120) >> [ 36.708455][ T197] hardirqs last disabled at (10066): console_unlock >> (kernel/printk/printk.c:339 kernel/printk/printk.c:2801 >> kernel/printk/printk.c:3120) >> [ 36.709660][ T197] softirqs last enabled at (10006): handle_softirqs >> (arch/x86/include/asm/preempt.h:26 kernel/softirq.c:401 >> kernel/softirq.c:582) >> [ 36.710805][ T197] softirqs last disabled at (9997): irq_exit_rcu >> (kernel/softirq.c:589 kernel/softirq.c:428 kernel/softirq.c:637 >> kernel/softirq.c:649) >> [   36.711941][  T197] ---[ end trace 0000000000000000 ]--- >> >> >> The kernel config and materials to reproduce are available at: >> https://download.01.org/0day-ci/archive/20240823/202408230938.43f55b4-lkp@intel.com >> >> >> >> >> -- >> 0-DAY CI Kernel Test Service >> https://github.com/intel/lkp-tests/wiki >> >