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Message-ID: <202505121332.74fc97c-lkp@intel.com>
Date: Mon, 12 May 2025 14:25:22 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Zi Yan <ziy@...dia.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-mm@...ck.org>, "David
Hildenbrand" <david@...hat.com>, Oscar Salvador <osalvador@...e.de>,
"Johannes Weiner" <hannes@...xchg.org>, Andrew Morton
<akpm@...ux-foundation.org>, Vlastimil Babka <vbabka@...e.cz>, Baolin Wang
<baolin.wang@...ux.alibaba.com>, "Kirill A . Shutemov"
<kirill.shutemov@...ux.intel.com>, Mel Gorman <mgorman@...hsingularity.net>,
Suren Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>,
Brendan Jackman <jackmanb@...gle.com>, Richard Chang <richardycc@...gle.com>,
<linux-kernel@...r.kernel.org>, Zi Yan <ziy@...dia.com>,
<oliver.sang@...el.com>
Subject: Re: [PATCH v4 2/4] mm/page_isolation: remove migratetype from
move_freepages_block_isolate()
Hello,
kernel test robot noticed "WARNING:at_mm/page_alloc.c:#__add_to_free_list" on:
commit: c095828c286182c38cfc8837ca4fec8bc4bdb81d ("[PATCH v4 2/4] mm/page_isolation: remove migratetype from move_freepages_block_isolate()")
url: https://github.com/intel-lab-lkp/linux/commits/Zi-Yan/mm-page_isolation-make-page-isolation-a-standalone-bit/20250510-040418
patch link: https://lore.kernel.org/all/20250509200111.3372279-3-ziy@nvidia.com/
patch subject: [PATCH v4 2/4] mm/page_isolation: remove migratetype from move_freepages_block_isolate()
in testcase: boot
config: x86_64-kexec
compiler: clang-20
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+-------------------------------------------------------+------------+------------+
| | 8e72f4e133 | c095828c28 |
+-------------------------------------------------------+------------+------------+
| WARNING:at_mm/page_alloc.c:#__add_to_free_list | 0 | 24 |
| RIP:__add_to_free_list | 0 | 24 |
| WARNING:at_mm/page_alloc.c:#__del_page_from_free_list | 0 | 24 |
| RIP:__del_page_from_free_list | 0 | 24 |
+-------------------------------------------------------+------------+------------+
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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202505121332.74fc97c-lkp@intel.com
[ 0.337813][ T0] ------------[ cut here ]------------
[ 0.338214][ T0] page type is 0, passed migratetype is 2 (nr=512)
[ 0.338706][ T0] WARNING: CPU: 0 PID: 0 at mm/page_alloc.c:703 __add_to_free_list (kbuild/obj/consumer/x86_64-kexec/mm/page_alloc.c:701)
[ 0.339381][ T0] Modules linked in:
[ 0.339666][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc5-next-20250509-00002-gc095828c2861 #1 PREEMPT(voluntary)
[ 0.340589][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 0.341361][ T0] RIP: 0010:__add_to_free_list (kbuild/obj/consumer/x86_64-kexec/mm/page_alloc.c:701)
[ 0.341789][ T0] Code: 48 c1 fe 06 ba 87 00 00 00 e8 53 5f ff ff 84 c0 be 05 00 00 00 48 0f 49 f0 48 c7 c7 b3 9b 7b 82 89 ea 44 89 f1 e8 b7 71 cd ff <0f> 0b e9 35 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
All code
========
0: 48 c1 fe 06 sar $0x6,%rsi
4: ba 87 00 00 00 mov $0x87,%edx
9: e8 53 5f ff ff call 0xffffffffffff5f61
e: 84 c0 test %al,%al
10: be 05 00 00 00 mov $0x5,%esi
15: 48 0f 49 f0 cmovns %rax,%rsi
19: 48 c7 c7 b3 9b 7b 82 mov $0xffffffff827b9bb3,%rdi
20: 89 ea mov %ebp,%edx
22: 44 89 f1 mov %r14d,%ecx
25: e8 b7 71 cd ff call 0xffffffffffcd71e1
2a:* 0f 0b ud2 <-- trapping instruction
2c: e9 35 ff ff ff jmp 0xffffffffffffff66
31: 90 nop
32: 90 nop
33: 90 nop
34: 90 nop
35: 90 nop
36: 90 nop
37: 90 nop
38: 90 nop
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: e9 35 ff ff ff jmp 0xffffffffffffff3c
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
[ 0.343261][ T0] RSP: 0000:ffffffff82a038c8 EFLAGS: 00010046
[ 0.343707][ T0] RAX: 0000000000000000 RBX: ffff88843fff1528 RCX: 0000000000000001
[ 0.344296][ T0] RDX: ffffffff82a036b8 RSI: 00000000ffff7fff RDI: 0000000000000001
[ 0.344885][ T0] RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff82a036b0
[ 0.345473][ T0] R10: 00000000ffff7fff R11: 0000000000000001 R12: ffffea0004328000
[ 0.346062][ T0] R13: 0000000000000002 R14: 0000000000000200 R15: 0000000000000009
[ 0.346650][ T0] FS: 0000000000000000(0000) GS:ffff8884ac41b000(0000) knlGS:0000000000000000
[ 0.347330][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.347813][ T0] CR2: ffff88843ffff000 CR3: 0000000002a30000 CR4: 00000000000000b0
[ 0.348625][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 0.349523][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 0.350424][ T0] Call Trace:
[ 0.350791][ T0] <TASK>
[ 0.351122][ T0] try_to_claim_block (kbuild/obj/consumer/x86_64-kexec/mm/page_alloc.c:616)
[ 0.351662][ T0] __rmqueue_pcplist (kbuild/obj/consumer/x86_64-kexec/mm/page_alloc.c:2280)
[ 0.352211][ T0] ? string (kbuild/obj/consumer/x86_64-kexec/lib/vsprintf.c:718)
[ 0.352641][ T0] ? string (kbuild/obj/consumer/x86_64-kexec/lib/vsprintf.c:718)
[ 0.353067][ T0] ? move_right (kbuild/obj/consumer/x86_64-kexec/lib/vsprintf.c:?)
[ 0.353553][ T0] get_page_from_freelist (kbuild/obj/consumer/x86_64-kexec/mm/page_alloc.c:3178)
[ 0.354182][ T0] ? sprintf (kbuild/obj/consumer/x86_64-kexec/lib/vsprintf.c:3039)
[ 0.354632][ T0] ? prb_first_seq (kbuild/obj/consumer/x86_64-kexec/kernel/printk/printk_ringbuffer.c:1963)
[ 0.355163][ T0] __alloc_frozen_pages_noprof (kbuild/obj/consumer/x86_64-kexec/mm/page_alloc.c:5028)
[ 0.355786][ T0] alloc_pages_mpol (kbuild/obj/consumer/x86_64-kexec/mm/mempolicy.c:2411)
[ 0.356329][ T0] new_slab (kbuild/obj/consumer/x86_64-kexec/mm/slub.c:2454)
[ 0.356780][ T0] ___slab_alloc (kbuild/obj/consumer/x86_64-kexec/arch/x86/include/asm/preempt.h:80 kbuild/obj/consumer/x86_64-kexec/mm/slub.c:3859)
[ 0.357310][ T0] ? pcpu_block_refresh_hint (kbuild/obj/consumer/x86_64-kexec/include/linux/find.h:69)
[ 0.357916][ T0] ? radix_tree_node_alloc (kbuild/obj/consumer/x86_64-kexec/include/linux/radix-tree.h:57 kbuild/obj/consumer/x86_64-kexec/lib/radix-tree.c:278)
[ 0.358495][ T0] __slab_alloc (kbuild/obj/consumer/x86_64-kexec/arch/x86/include/asm/preempt.h:95 kbuild/obj/consumer/x86_64-kexec/mm/slub.c:3950)
[ 0.358983][ T0] kmem_cache_alloc_noprof (kbuild/obj/consumer/x86_64-kexec/mm/slub.c:4023)
[ 0.359609][ T0] ? radix_tree_node_alloc (kbuild/obj/consumer/x86_64-kexec/include/linux/radix-tree.h:57 kbuild/obj/consumer/x86_64-kexec/lib/radix-tree.c:278)
[ 0.360207][ T0] radix_tree_node_alloc (kbuild/obj/consumer/x86_64-kexec/include/linux/radix-tree.h:57 kbuild/obj/consumer/x86_64-kexec/lib/radix-tree.c:278)
[ 0.360783][ T0] idr_get_free (kbuild/obj/consumer/x86_64-kexec/lib/radix-tree.c:1508)
[ 0.361266][ T0] idr_alloc_u32 (kbuild/obj/consumer/x86_64-kexec/include/linux/err.h:70 kbuild/obj/consumer/x86_64-kexec/lib/idr.c:47)
[ 0.361765][ T0] idr_alloc (kbuild/obj/consumer/x86_64-kexec/lib/idr.c:88)
[ 0.362220][ T0] init_cpu_worker_pool (kbuild/obj/consumer/x86_64-kexec/kernel/workqueue.c:714 kbuild/obj/consumer/x86_64-kexec/kernel/workqueue.c:7733)
[ 0.362798][ T0] workqueue_init_early (kbuild/obj/consumer/x86_64-kexec/kernel/workqueue.c:7803)
[ 0.363372][ T0] start_kernel (kbuild/obj/consumer/x86_64-kexec/init/main.c:991)
[ 0.363882][ T0] x86_64_start_reservations (??:?)
[ 0.364494][ T0] x86_64_start_kernel (kbuild/obj/consumer/x86_64-kexec/arch/x86/kernel/head64.c:238)
[ 0.365039][ T0] common_startup_64 (kbuild/obj/consumer/x86_64-kexec/arch/x86/kernel/head_64.S:419)
[ 0.365589][ T0] </TASK>
[ 0.365919][ T0] ---[ end trace 0000000000000000 ]---
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250512/202505121332.74fc97c-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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