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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/slub.c:#___add_partial" on: commit: 0805463ab860a2dde667bd4423a30efbf650b34b ("[RFC PATCH 1/5] slub: Introduce on_partial()") url: https://github.com/intel-lab-lkp/linux/commits/chengming-zhou-linux-dev/slub-Introduce-on_partial/20231017-234739 base: git://git.kernel.org/cgit/linux/kernel/git/vbabka/slab.git for-next patch link: https://lore.kernel.org/all/20231017154439.3036608-2-chengming.zhou@linux.dev/ patch subject: [RFC PATCH 1/5] slub: Introduce on_partial() 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) +--------------------------------------------+------------+------------+ | | e050a704f3 | 0805463ab8 | +--------------------------------------------+------------+------------+ | WARNING:at_mm/slub.c:#___add_partial | 0 | 16 | | RIP:___add_partial | 0 | 16 | +--------------------------------------------+------------+------------+ 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/202310271308.9076b4c0-oliver.sang@intel.com [ 2.344426][ T0] ------------[ cut here ]------------ [ 2.345095][ T0] WARNING: CPU: 0 PID: 0 at mm/slub.c:2132 ___add_partial (mm/slub.c:2132) [ 2.346072][ T0] Modules linked in: [ 2.346555][ T0] CPU: 0 PID: 0 Comm: swapper Not tainted 6.6.0-rc5-00008-g0805463ab860 #1 e88a4d31ac7553ddd9cc4ecfa6b6cbc9ab8c98ab [ 2.348039][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 2.349271][ T0] RIP: 0010:___add_partial (mm/slub.c:2132) [ 2.349920][ T0] Code: 05 52 3f fb 05 53 48 89 f3 85 c0 75 0a 83 4b 30 01 5b e9 28 3c 06 03 48 83 c7 18 be ff ff ff ff e8 6a ec 02 03 85 c0 75 e4 90 <0f> 0b 90 83 4b 30 01 5b e9 08 3c 06 03 0f 1f 84 00 00 00 00 00 f6 All code ======== 0: 05 52 3f fb 05 add $0x5fb3f52,%eax 5: 53 push %rbx 6: 48 89 f3 mov %rsi,%rbx 9: 85 c0 test %eax,%eax b: 75 0a jne 0x17 d: 83 4b 30 01 orl $0x1,0x30(%rbx) 11: 5b pop %rbx 12: e9 28 3c 06 03 jmp 0x3063c3f 17: 48 83 c7 18 add $0x18,%rdi 1b: be ff ff ff ff mov $0xffffffff,%esi 20: e8 6a ec 02 03 call 0x302ec8f 25: 85 c0 test %eax,%eax 27: 75 e4 jne 0xd 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 83 4b 30 01 orl $0x1,0x30(%rbx) 31: 5b pop %rbx 32: e9 08 3c 06 03 jmp 0x3063c3f 37: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 3e: 00 3f: f6 .byte 0xf6 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 83 4b 30 01 orl $0x1,0x30(%rbx) 7: 5b pop %rbx 8: e9 08 3c 06 03 jmp 0x3063c15 d: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 14: 00 15: f6 .byte 0xf6 [ 2.352308][ T0] RSP: 0000:ffffffff86407dd8 EFLAGS: 00010046 [ 2.353078][ T0] RAX: 0000000000000000 RBX: ffffea0004001000 RCX: 0000000000000001 [ 2.354058][ T0] RDX: 0000000000000000 RSI: ffffffff84e8e940 RDI: ffffffff855b1ca0 [ 2.355041][ T0] RBP: ffff888100040000 R08: 0000000000000002 R09: 0000000000000000 [ 2.355978][ T0] R10: ffffffff86f35083 R11: ffffffff819fd2f1 R12: 0000000000000000 [ 2.356822][ T0] R13: ffff888100040048 R14: 0000000000000015 R15: ffffffff886073e0 [ 2.357702][ T0] FS: 0000000000000000(0000) GS:ffff8883aec00000(0000) knlGS:0000000000000000 [ 2.358674][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.359469][ T0] CR2: ffff88843ffff000 CR3: 00000000064dc000 CR4: 00000000000000b0 [ 2.360402][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.361328][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.362305][ T0] Call Trace: [ 2.362722][ T0] [ 2.363087][ T0] ? show_regs (arch/x86/kernel/dumpstack.c:479) [ 2.365499][ T0] ? __warn (kernel/panic.c:673) [ 2.366034][ T0] ? ___add_partial (mm/slub.c:2132) [ 2.366627][ T0] ? report_bug (lib/bug.c:180 lib/bug.c:219) [ 2.367200][ T0] ? handle_bug (arch/x86/kernel/traps.c:237) [ 2.367743][ T0] ? exc_invalid_op (arch/x86/kernel/traps.c:258 (discriminator 1)) [ 2.368309][ T0] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:568) [ 2.368930][ T0] ? kasan_set_track (mm/kasan/common.c:52) [ 2.369529][ T0] ? ___add_partial (mm/slub.c:2132) [ 2.370121][ T0] ? ___add_partial (mm/slub.c:2132 (discriminator 1)) [ 2.370706][ T0] early_kmem_cache_node_alloc (include/linux/list.h:169 mm/slub.c:2156 mm/slub.c:4308) [ 2.371471][ T0] kmem_cache_open (mm/slub.c:4340 mm/slub.c:4578) [ 2.372060][ T0] __kmem_cache_create (mm/slub.c:5140) [ 2.372688][ T0] create_boot_cache (mm/slab_common.c:654) [ 2.373317][ T0] kmem_cache_init (mm/slub.c:5075) [ 2.373936][ T0] mm_core_init (mm/mm_init.c:2786) [ 2.374519][ T0] start_kernel (init/main.c:929) [ 2.375103][ T0] x86_64_start_reservations (arch/x86/kernel/head64.c:544) [ 2.375763][ T0] x86_64_start_kernel (arch/x86/kernel/head64.c:486 (discriminator 17)) [ 2.376353][ T0] secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:433) [ 2.377096][ T0] [ 2.377447][ T0] irq event stamp: 0 [ 2.377916][ T0] hardirqs last enabled at (0): 0x0 [ 2.378794][ T0] hardirqs last disabled at (0): 0x0 [ 2.379684][ T0] softirqs last enabled at (0): 0x0 [ 2.380551][ T0] softirqs last disabled at (0): 0x0 [ 2.381441][ T0] ---[ end trace 0000000000000000 ]--- [ 2.384117][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20231027/202310271308.9076b4c0-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki