From: kernel test robot <oliver.sang@intel.com>
To: <chengming.zhou@linux.dev>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>, <linux-mm@kvack.org>,
<cl@linux.com>, <penberg@kernel.org>, <rientjes@google.com>,
<iamjoonsoo.kim@lge.com>, <akpm@linux-foundation.org>,
<vbabka@suse.cz>, <roman.gushchin@linux.dev>,
<42.hyeyoo@gmail.com>, <linux-kernel@vger.kernel.org>,
<chengming.zhou@linux.dev>,
Chengming Zhou <zhouchengming@bytedance.com>,
<oliver.sang@intel.com>
Subject: Re: [RFC PATCH 1/5] slub: Introduce on_partial()
Date: Fri, 27 Oct 2023 13:26:06 +0800 [thread overview]
Message-ID: <202310271308.9076b4c0-oliver.sang@intel.com> (raw)
In-Reply-To: <20231017154439.3036608-2-chengming.zhou@linux.dev>
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 <oliver.sang@intel.com>
| 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] <TASK>
[ 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] </TASK>
[ 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
next prev parent reply other threads:[~2023-10-27 5:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-17 15:44 [RFC PATCH 0/5] slub: Delay freezing of CPU partial slabs chengming.zhou
2023-10-17 15:44 ` [RFC PATCH 1/5] slub: Introduce on_partial() chengming.zhou
2023-10-17 15:54 ` Matthew Wilcox
2023-10-18 7:37 ` Chengming Zhou
2023-10-27 5:26 ` kernel test robot [this message]
2023-10-27 9:43 ` Chengming Zhou
2023-10-17 15:44 ` [RFC PATCH 2/5] slub: Don't manipulate slab list when used by cpu chengming.zhou
2023-10-17 15:44 ` [RFC PATCH 3/5] slub: Optimize deactivate_slab() chengming.zhou
2023-10-17 15:44 ` [RFC PATCH 4/5] slub: Don't freeze slabs for cpu partial chengming.zhou
2023-10-17 15:44 ` [RFC PATCH 5/5] slub: Introduce get_cpu_partial() chengming.zhou
2023-10-18 6:34 ` [RFC PATCH 0/5] slub: Delay freezing of CPU partial slabs Hyeonggon Yoo
2023-10-18 7:44 ` Chengming Zhou
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