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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: Hello, kernel test robot noticed "WARNING:at_mm/vma.c:#vma_merge_new_range" on: commit: a0f2295a607c0e8a64893593432562444a58a70b ("mm: avoid using vma_merge() for new VMAs") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master in testcase: trinity version: trinity-i386-abe9de86-1_20230429 with following parameters: runtime: 600s compiler: gcc-12 test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G (please refer to attached dmesg/kmsg for entire log/backtrace) +------------------------------------------+------------+------------+ | | dfe2897d43 | a0f2295a60 | +------------------------------------------+------------+------------+ | WARNING:at_mm/rmap.c:#unlink_anon_vmas | 6 | 6 | | EIP:unlink_anon_vmas | 6 | 6 | | WARNING:at_mm/vma.c:#vma_merge_new_range | 0 | 6 | | EIP:vma_merge_new_range | 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/202408271452.c842a71d-lkp@intel.com [ 28.048325][ T765] ------------[ cut here ]------------ [ 28.048597][ T765] WARNING: CPU: 0 PID: 765 at mm/vma.c:524 vma_merge_new_range (mm/vma.c:524 (discriminator 1)) [ 28.048976][ T765] Modules linked in: mousedev input_leds evbug led_class aesni_intel rapl psmouse pcspkr evdev i2c_piix4 qemu_fw_cfg i2c_smbus i2c_core button [ 28.049662][ T765] CPU: 0 UID: 65534 PID: 765 Comm: trinity-c4 Tainted: G W 6.11.0-rc4-00372-ga0f2295a607c #2 [ 28.050163][ T765] Tainted: [W]=WARN [ 28.050339][ T765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 28.050789][ T765] EIP: vma_merge_new_range (mm/vma.c:524 (discriminator 1)) [ 28.051028][ T765] Code: 8b 53 14 85 d2 0f 84 51 ff ff ff 8d b4 26 00 00 00 00 0f 0b 8b 4b 04 8b 45 f0 3b 41 04 0f 83 48 ff ff ff 8d b4 26 00 00 00 00 <0f> 0b e9 3a ff ff ff 8d b4 26 00 00 00 00 66 90 84 c0 0f 85 b6 00 All code ======== 0: 8b 53 14 mov 0x14(%rbx),%edx 3: 85 d2 test %edx,%edx 5: 0f 84 51 ff ff ff je 0xffffffffffffff5c b: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 12: 0f 0b ud2 14: 8b 4b 04 mov 0x4(%rbx),%ecx 17: 8b 45 f0 mov -0x10(%rbp),%eax 1a: 3b 41 04 cmp 0x4(%rcx),%eax 1d: 0f 83 48 ff ff ff jae 0xffffffffffffff6b 23: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 2a:* 0f 0b ud2 <-- trapping instruction 2c: e9 3a ff ff ff jmp 0xffffffffffffff6b 31: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 38: 66 90 xchg %ax,%ax 3a: 84 c0 test %al,%al 3c: 0f .byte 0xf 3d: 85 .byte 0x85 3e: b6 00 mov $0x0,%dh Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: e9 3a ff ff ff jmp 0xffffffffffffff41 7: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi e: 66 90 xchg %ax,%ax 10: 84 c0 test %al,%al 12: 0f .byte 0xf 13: 85 .byte 0x85 14: b6 00 mov $0x0,%dh [ 28.052072][ T765] EAX: 00400000 EBX: ed937b48 ECX: ed937b20 EDX: 00000000 [ 28.052420][ T765] ESI: 00000000 EDI: ecb925a0 EBP: ed937b00 ESP: ed937ad8 [ 28.052728][ T765] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010287 [ 28.053082][ T765] CR0: 80050033 CR2: b76e3580 CR3: 2db75bc0 CR4: 000406b0 [ 28.058945][ T765] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 28.059252][ T765] DR6: fffe0ff0 DR7: 00000400 [ 28.059459][ T765] Call Trace: [ 28.059606][ T765] ? show_regs (arch/x86/kernel/dumpstack.c:479 arch/x86/kernel/dumpstack.c:465) [ 28.059796][ T765] ? vma_merge_new_range (mm/vma.c:524 (discriminator 1)) [ 28.060030][ T765] ? __warn (kernel/panic.c:735) [ 28.060210][ T765] ? vma_merge_new_range (mm/vma.c:524 (discriminator 1)) [ 28.060446][ T765] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 28.060651][ T765] ? exc_overflow (arch/x86/kernel/traps.c:252) [ 28.060899][ T765] ? handle_bug (arch/x86/kernel/traps.c:218) [ 28.063802][ T765] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1)) [ 28.064013][ T765] ? handle_exception (arch/x86/entry/entry_32.S:1054) [ 28.064231][ T765] ? exc_overflow (arch/x86/kernel/traps.c:252) [ 28.064432][ T765] ? vma_merge_new_range (mm/vma.c:524 (discriminator 1)) [ 28.064666][ T765] ? exc_overflow (arch/x86/kernel/traps.c:252) [ 28.064870][ T765] ? vma_merge_new_range (mm/vma.c:524 (discriminator 1)) [ 28.065124][ T765] copy_vma (mm/vma.c:1563) [ 28.065326][ T765] move_vma+0x121/0x4d8 [ 28.065557][ T765] ? mm_get_unmapped_area (mm/mmap.c:930) [ 28.065792][ T765] mremap_to+0x138/0x1b0 [ 28.066054][ T765] __do_sys_mremap (mm/mremap.c:1176) [ 28.066270][ T765] ? __lock_release+0x55/0x150 [ 28.066509][ T765] __ia32_sys_mremap (mm/mremap.c:980) [ 28.066720][ T765] ia32_sys_call (arch/x86/entry/syscall_32.c:44) [ 28.066923][ T765] __do_fast_syscall_32 (arch/x86/entry/common.c:165 arch/x86/entry/common.c:386) [ 28.067146][ T765] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 28.067365][ T765] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 28.067575][ T765] ? __lock_release+0x55/0x150 [ 28.067812][ T765] ? __do_fast_syscall_32 (arch/x86/entry/common.c:391) [ 28.068041][ T765] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 28.068282][ T765] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4420) [ 28.068511][ T765] ? syscall_exit_to_user_mode (kernel/entry/common.c:221) [ 28.068763][ T765] ? __do_fast_syscall_32 (arch/x86/entry/common.c:391) [ 28.069004][ T765] ? do_pte_missing (mm/memory.c:5056 mm/memory.c:5195 mm/memory.c:3955) [ 28.069236][ T765] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 28.069477][ T765] ? handle_pte_fault (mm/memory.c:5530) [ 28.069701][ T765] ? mt_find (include/linux/rcupdate.h:336 include/linux/rcupdate.h:869 lib/maple_tree.c:6960) [ 28.069889][ T765] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 28.077572][ T765] ? __perf_sw_event (kernel/events/internal.h:227 kernel/events/core.c:9996 kernel/events/core.c:10021) [ 28.078055][ T765] ? __up_read (kernel/locking/rwsem.c:1354) [ 28.078245][ T765] ? __up_read (kernel/locking/rwsem.c:1354) [ 28.078435][ T765] ? debug_smp_processor_id (lib/smp_processor_id.c:61) [ 28.078670][ T765] ? __up_read (kernel/locking/rwsem.c:1354) [ 28.078859][ T765] ? __up_read (kernel/locking/rwsem.c:1354) [ 28.079050][ T765] ? trace_preempt_on (kernel/trace/trace_preemptirq.c:105) [ 28.079265][ T765] ? __up_read (kernel/locking/rwsem.c:1354) [ 28.079456][ T765] ? preempt_count_sub (kernel/sched/core.c:5672 kernel/sched/core.c:5668 kernel/sched/core.c:5690) [ 28.079677][ T765] ? irqentry_exit (kernel/entry/common.c:367) [ 28.079881][ T765] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 28.080126][ T765] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4420) [ 28.080356][ T765] ? irqentry_exit_to_user_mode (kernel/entry/common.c:234) [ 28.080612][ T765] do_fast_syscall_32 (arch/x86/entry/common.c:411) [ 28.080827][ T765] do_SYSENTER_32 (arch/x86/entry/common.c:450) [ 28.081065][ T765] entry_SYSENTER_32 (arch/x86/entry/entry_32.S:836) [ 28.081284][ T765] EIP: 0xb7f41579 [ 28.081446][ T765] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76 All code ======== 0: b8 01 10 06 03 mov $0x3061001,%eax 5: 74 b4 je 0xffffffffffffffbb 7: 01 10 add %edx,(%rax) 9: 07 (bad) a: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi e: 10 08 adc %cl,(%rax) 10: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi ... 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24:* 89 e5 mov %esp,%ebp <-- trapping instruction 26: 0f 34 sysenter 28: cd 80 int $0x80 2a: 5d pop %rbp 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d 76 00 lea 0x0(%rsi),%esi 35: 58 pop %rax 36: b8 77 00 00 00 mov $0x77,%eax 3b: cd 80 int $0x80 3d: 90 nop 3e: 8d .byte 0x8d 3f: 76 .byte 0x76 Code starting with the faulting instruction =========================================== 0: 5d pop %rbp 1: 5a pop %rdx 2: 59 pop %rcx 3: c3 ret 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 8d 76 00 lea 0x0(%rsi),%esi b: 58 pop %rax c: b8 77 00 00 00 mov $0x77,%eax 11: cd 80 int $0x80 13: 90 nop 14: 8d .byte 0x8d 15: 76 .byte 0x76 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240827/202408271452.c842a71d-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki