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From: kernel test robot <oliver.sang@intel.com>
To: Qi Zheng <qi.zheng@linux.dev>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
	Qi Zheng <zhengqi.arch@bytedance.com>, <cgroups@vger.kernel.org>,
	<linux-mm@kvack.org>, <hannes@cmpxchg.org>, <hughd@google.com>,
	<mhocko@suse.com>, <roman.gushchin@linux.dev>,
	<shakeel.butt@linux.dev>, <muchun.song@linux.dev>,
	<david@redhat.com>, <lorenzo.stoakes@oracle.com>,
	<ziy@nvidia.com>, <harry.yoo@oracle.com>,
	<imran.f.khan@oracle.com>, <kamalesh.babulal@oracle.com>,
	<axelrasmussen@google.com>, <yuanchu@google.com>,
	<weixugc@google.com>, <akpm@linux-foundation.org>,
	<linux-kernel@vger.kernel.org>,
	Muchun Song <songmuchun@bytedance.com>, <oliver.sang@intel.com>
Subject: Re: [PATCH v1 21/26] mm: memcontrol: prepare for reparenting LRU pages for lruvec lock
Date: Tue, 4 Nov 2025 14:49:37 +0800	[thread overview]
Message-ID: <202511041421.784bbd5e-lkp@intel.com> (raw)
In-Reply-To: <d5d72d101212e9fb82727c941d581c68728c7f53.1761658311.git.zhengqi.arch@bytedance.com>



Hello,

kernel test robot noticed "WARNING:bad_unlock_balance_detected" on:

commit: dd9e066d9677ca28748a63b16b33c858af75164b ("[PATCH v1 21/26] mm: memcontrol: prepare for reparenting LRU pages for lruvec lock")
url: https://github.com/intel-lab-lkp/linux/commits/Qi-Zheng/mm-memcontrol-remove-dead-code-of-checking-parent-memory-cgroup/20251028-221021
base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/all/d5d72d101212e9fb82727c941d581c68728c7f53.1761658311.git.zhengqi.arch@bytedance.com/
patch subject: [PATCH v1 21/26] mm: memcontrol: prepare for reparenting LRU pages for lruvec lock

in testcase: boot

config: i386-randconfig-141-20251031
compiler: gcc-14
test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G

(please refer to attached dmesg/kmsg for entire log/backtrace)


+-----------------------------------------------------------------------------------+------------+------------+
|                                                                                   | c856dae1f8 | dd9e066d96 |
+-----------------------------------------------------------------------------------+------------+------------+
| WARNING:bad_unlock_balance_detected                                               | 0          | 87         |
| is_trying_to_release_lock(rcu_read_lock)at                                        | 0          | 87         |
| calltrace:rcu_read_unlock                                                         | 0          | 87         |
| WARNING:at_kernel/rcu/tree_plugin.h:#__rcu_read_unlock                            | 0          | 87         |
| EIP:__rcu_read_unlock                                                             | 0          | 87         |
| BUG:sleeping_function_called_from_invalid_context_at_mm/filemap.c                 | 0          | 87         |
| WARNING:at_kernel/rcu/tree_plugin.h:#rcu_sched_clock_irq                          | 0          | 87         |
| EIP:rcu_sched_clock_irq                                                           | 0          | 87         |
| EIP:evm_inode_alloc_security                                                      | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_include/linux/percpu-rwsem.h | 0          | 84         |
| BUG:sleeping_function_called_from_invalid_context_at_include/linux/sched/mm.h     | 0          | 86         |
| BUG:workqueue_leaked_atomic,lock_or_RCU:kworker##[#]                              | 0          | 84         |
| BUG:sleeping_function_called_from_invalid_context_at_mm/slab_common.c             | 0          | 23         |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/workqueue.c           | 0          | 60         |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/rwsem.c       | 0          | 73         |
| BUG:sleeping_function_called_from_invalid_context_at_lib/strncpy_from_user.c      | 0          | 41         |
| BUG:sleeping_function_called_from_invalid_context_at_mm/mmap.c                    | 0          | 16         |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/mutex.c       | 0          | 70         |
| BUG:sleeping_function_called_from_invalid_context_at_include/linux/uaccess.h      | 0          | 40         |
| BUG:sleeping_function_called_from_invalid_context_at_mm/memory.c                  | 0          | 55         |
| EIP:kmem_cache_alloc_noprof                                                       | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_fs/dcache.c                  | 0          | 69         |
| BUG:sleeping_function_called_from_invalid_context_at_fs/file_table.c              | 0          | 32         |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/task_work.c           | 0          | 25         |
| BUG:sleeping_function_called_from_invalid_context_at_arch/x86/entry/syscall_32.c  | 0          | 46         |
| WARNING:at_kernel/rcu/tree_exp.h:#rcu_exp_handler                                 | 0          | 58         |
| EIP:rcu_exp_handler                                                               | 0          | 58         |
| EIP:find_bug                                                                      | 0          | 13         |
| BUG:sleeping_function_called_from_invalid_context_at_fs/pidfs.c                   | 0          | 9          |
| EIP:_parse_integer_limit                                                          | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_lib/iov_iter.c               | 0          | 64         |
| EIP:ep_poll                                                                       | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_mm/mmu_gather.c              | 0          | 18         |
| BUG:sleeping_function_called_from_invalid_context_at_fs/select.c                  | 0          | 12         |
| BUG:sleeping_function_called_from_invalid_context_at_net/core/sock.c              | 0          | 15         |
| EIP:handle_bug                                                                    | 0          | 25         |
| BUG:sleeping_function_called_from_invalid_context_at_include/linux/pagemap.h      | 0          | 14         |
| EIP:inflate_fast                                                                  | 0          | 20         |
| EIP:zlib_inflate_table                                                            | 0          | 2          |
| BUG:sleeping_function_called_from_invalid_context_at_mm/shmem.c                   | 0          | 2          |
| EIP:unwind_get_return_address                                                     | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_mm/vma.c                     | 0          | 11         |
| EIP:kmem_cache_alloc_lru_noprof                                                   | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_mm/mprotect.c                | 0          | 2          |
| EIP:console_emit_next_record                                                      | 0          | 10         |
| EIP:dump_stack_lvl                                                                | 0          | 31         |
| BUG:sleeping_function_called_from_invalid_context_at_include/linux/mmu_notifier.h | 0          | 13         |
| BUG:sleeping_function_called_from_invalid_context_at_mm/vmalloc.c                 | 0          | 2          |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/nsproxy.c             | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_fs/exec.c                    | 0          | 1          |
| EIP:preempt_count_sub                                                             | 0          | 1          |
| EIP:kunmap_local_indexed                                                          | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_mm/gup.c                     | 0          | 2          |
| EIP:seqcount_lockdep_reader_access                                                | 0          | 1          |
| EIP:_raw_spin_unlock_irqrestore                                                   | 0          | 5          |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/exit.c                | 0          | 2          |
| BUG:sleeping_function_called_from_invalid_context_at_mm/rmap.c                    | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_mm/truncate.c                | 0          | 1          |
| EIP:finish_task_switch                                                            | 0          | 2          |
| EIP:inode_init_once                                                               | 0          | 1          |
| EIP:check_lifetime                                                                | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_fs/namei.c                   | 0          | 3          |
| BUG:sleeping_function_called_from_invalid_context_at_fs/readdir.c                 | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/rcu/srcutree.c        | 0          | 1          |
| EIP:memset_no_sanitize_memory                                                     | 0          | 1          |
| EIP:lookup_one_qstr_excl                                                          | 0          | 1          |
| EIP:__up_read                                                                     | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_fs/file.c                    | 0          | 3          |
| EIP:ramfs_symlink                                                                 | 0          | 1          |
| EIP:do_dentry_open                                                                | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/printk/printk.c       | 0          | 1          |
| EIP:unwind_next_frame                                                             | 0          | 1          |
| EIP:handle_softirqs                                                               | 0          | 1          |
| EIP:bad_range                                                                     | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_include/linux/freezer.h      | 0          | 2          |
| EIP:security_file_open                                                            | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/fork.c                | 0          | 2          |
| EIP:kernel_init_pages                                                             | 0          | 1          |
| EIP:filemap_add_folio                                                             | 0          | 1          |
| EIP:update_stack_state                                                            | 0          | 1          |
| EIP:folio_nr_pages                                                                | 0          | 1          |
| EIP:mntput                                                                        | 0          | 1          |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/sched/completion.c    | 0          | 1          |
| EIP:__alloc_frozen_pages_noprof                                                   | 0          | 1          |
| EIP:unwind_get_return_address_ptr                                                 | 0          | 1          |
| EIP:copy_folio_from_iter_atomic                                                   | 0          | 1          |
| EIP:filp_flush                                                                    | 0          | 1          |
| EIP:__put_user_4                                                                  | 0          | 2          |
| EIP:balance_dirty_pages_ratelimited_flags                                         | 0          | 1          |
| EIP:zlib_updatewindow                                                             | 0          | 1          |
+-----------------------------------------------------------------------------------+------------+------------+


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/202511041421.784bbd5e-lkp@intel.com


[    1.392214][   T45] WARNING: bad unlock balance detected!
[    1.393285][   T45] 6.18.0-rc3-00251-gdd9e066d9677 #1 Not tainted
[    1.394579][   T45] -------------------------------------
[    1.395442][   T45] kworker/u9:1/45 is trying to release lock (rcu_read_lock) at:
[    1.396977][   T45] rcu_read_unlock (include/linux/rcupdate.h:341 include/linux/rcupdate.h:897)
[    1.398160][   T45] but there are no more locks to release!
[    1.399337][   T45]
[    1.399337][   T45] other info that might help us debug this:
[    1.399707][   T45] 5 locks held by kworker/u9:1/45:
[    1.399707][   T45]  #0: c01ad6c4 ((wq_completion)async){+.+.}-{0:0}, at: process_one_work (kernel/workqueue.c:3238)
[    1.399707][   T45]  #1: c08e9f18 ((work_completion)(&entry->work)){+.+.}-{0:0}, at: process_one_work (kernel/workqueue.c:3239)
[    1.399707][   T45]  #2: c02ed27c (sb_writers#2){.+.+}-{0:0}, at: file_start_write+0x1e/0x30
[    1.399707][   T45]  #3: c042e0ec (&sb->s_type->i_mutex_key){++++}-{4:4}, at: generic_file_write_iter (mm/filemap.c:4404)
[    1.399707][   T45]  #4: eaa771a0 (lock#3){+.+.}-{3:3}, at: local_lock_acquire (include/linux/local_lock_internal.h:40)
[    1.399707][   T45]
[    1.399707][   T45] stack backtrace:
[    1.399707][   T45] CPU: 0 UID: 0 PID: 45 Comm: kworker/u9:1 Not tainted 6.18.0-rc3-00251-gdd9e066d9677 #1 PREEMPT(none)
[    1.399707][   T45] Workqueue: async async_run_entry_fn
[    1.399707][   T45] Call Trace:
[    1.399707][   T45]  dump_stack_lvl (lib/dump_stack.c:122)
[    1.399707][   T45]  ? rcu_read_unlock (include/linux/rcupdate.h:341 include/linux/rcupdate.h:897)
[    1.399707][   T45]  dump_stack (lib/dump_stack.c:130)
[    1.399707][   T45]  print_unlock_imbalance_bug (kernel/locking/lockdep.c:5300 kernel/locking/lockdep.c:5272)
[    1.399707][   T45]  ? rcu_read_unlock (include/linux/rcupdate.h:341 include/linux/rcupdate.h:897)
[    1.399707][   T45]  __lock_release+0x5e/0x150
[    1.399707][   T45]  ? rcu_read_unlock (include/linux/rcupdate.h:341 include/linux/rcupdate.h:897)
[    1.399707][   T45]  lock_release (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5891 kernel/locking/lockdep.c:5875)
[    1.399707][   T45]  ? lru_deactivate_file (mm/swap.c:119)
[    1.399707][   T45]  rcu_read_unlock (include/linux/rcupdate.h:899)
[    1.399707][   T45]  lruvec_unlock_irqrestore (include/linux/memcontrol.h:1522)
[    1.399707][   T45]  folio_batch_move_lru (include/linux/mm.h:1501 mm/swap.c:179)
[    1.399707][   T45]  __folio_batch_add_and_move (mm/swap.c:196 (discriminator 2))
[    1.399707][   T45]  ? lru_deactivate_file (mm/swap.c:119)
[    1.399707][   T45]  folio_add_lru (mm/swap.c:514)
[    1.399707][   T45]  filemap_add_folio (mm/filemap.c:996)
[    1.399707][   T45]  __filemap_get_folio (mm/filemap.c:2023)
[    1.399707][   T45]  simple_write_begin (fs/libfs.c:932 (discriminator 1))
[    1.399707][   T45]  generic_perform_write (mm/filemap.c:4263)
[    1.399707][   T45]  __generic_file_write_iter (mm/filemap.c:4380)
[    1.399707][   T45]  generic_file_write_iter (mm/filemap.c:4406)
[    1.399707][   T45]  __kernel_write_iter (fs/read_write.c:619)
[    1.399707][   T45]  __kernel_write (fs/read_write.c:640)
[    1.399707][   T45]  kernel_write (fs/read_write.c:660 fs/read_write.c:650)
[    1.399707][   T45]  xwrite+0x27/0x80
[    1.399707][   T45]  do_copy (init/initramfs.c:417 (discriminator 1))
[    1.399707][   T45]  write_buffer (init/initramfs.c:470 (discriminator 1))
[    1.399707][   T45]  flush_buffer (init/initramfs.c:482 (discriminator 1))
[    1.399707][   T45]  __gunzip+0x21d/0x2c0
[    1.399707][   T45]  ? bunzip2 (lib/decompress_inflate.c:39)
[    1.399707][   T45]  ? __gunzip+0x2c0/0x2c0
[    1.399707][   T45]  gunzip (lib/decompress_inflate.c:208)
[    1.399707][   T45]  ? write_buffer (init/initramfs.c:476)
[    1.399707][   T45]  ? initrd_load (init/initramfs.c:64)
[    1.399707][   T45]  unpack_to_rootfs (init/initramfs.c:553)
[    1.399707][   T45]  ? write_buffer (init/initramfs.c:476)
[    1.399707][   T45]  ? initrd_load (init/initramfs.c:64)
[    1.399707][   T45]  ? reserve_initrd_mem (init/initramfs.c:719)
[    1.399707][   T45]  do_populate_rootfs (init/initramfs.c:734)
[    1.399707][   T45]  async_run_entry_fn (kernel/async.c:136 (discriminator 1))
[    1.399707][   T45]  ? async_schedule_node (kernel/async.c:118)
[    1.399707][   T45]  process_one_work (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:262 include/trace/events/workqueue.h:110 kernel/workqueue.c:3268)
[    1.399707][   T45]  process_scheduled_works (kernel/workqueue.c:3346)
[    1.399707][   T45]  worker_thread (include/linux/list.h:381 (discriminator 2) kernel/workqueue.c:952 (discriminator 2) kernel/workqueue.c:3428 (discriminator 2))
[    1.399707][   T45]  kthread (kernel/kthread.c:465)
[    1.399707][   T45]  ? process_scheduled_works (kernel/workqueue.c:3373)
[    1.399707][   T45]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[    1.399707][   T45]  ret_from_fork (arch/x86/kernel/process.c:164)
[    1.399707][   T45]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[    1.399707][   T45]  ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[    1.399707][   T45]  entry_INT80_32 (arch/x86/entry/entry_32.S:945)
[    1.467118][   T32] Callback from call_rcu_tasks() invoked.
[    1.468370][   T45] ------------[ cut here ]------------
[    1.469508][   T45] WARNING: CPU: 0 PID: 45 at kernel/rcu/tree_plugin.h:443 __rcu_read_unlock (kernel/rcu/tree_plugin.h:443)
[    1.471711][   T45] Modules linked in:
[    1.472490][   T45] CPU: 0 UID: 0 PID: 45 Comm: kworker/u9:1 Not tainted 6.18.0-rc3-00251-gdd9e066d9677 #1 PREEMPT(none)
[    1.474777][   T45] Workqueue: async async_run_entry_fn
[    1.475823][   T45] EIP: __rcu_read_unlock (kernel/rcu/tree_plugin.h:443)
[    1.476872][   T45] Code: 0c d0 56 c2 ff 8b a4 02 00 00 75 11 8b 83 a8 02 00 00 85 c0 74 07 89 d8 e8 7c fe ff ff 8b 83 a4 02 00 00 3d ff ff ff 3f 76 02 <0f> 0b 5b 5d 31 c0 c3 2e 8d b4 26 00 00 00 00 55 89 e5 57 56 89 c6
All code
========
   0:	0c d0                	or     $0xd0,%al
   2:	56                   	push   %rsi
   3:	c2 ff 8b             	ret    $0x8bff
   6:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
   7:	02 00                	add    (%rax),%al
   9:	00 75 11             	add    %dh,0x11(%rbp)
   c:	8b 83 a8 02 00 00    	mov    0x2a8(%rbx),%eax
  12:	85 c0                	test   %eax,%eax
  14:	74 07                	je     0x1d
  16:	89 d8                	mov    %ebx,%eax
  18:	e8 7c fe ff ff       	call   0xfffffffffffffe99
  1d:	8b 83 a4 02 00 00    	mov    0x2a4(%rbx),%eax
  23:	3d ff ff ff 3f       	cmp    $0x3fffffff,%eax
  28:	76 02                	jbe    0x2c
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	31 c0                	xor    %eax,%eax
  30:	c3                   	ret
  31:	2e 8d b4 26 00 00 00 	cs lea 0x0(%rsi,%riz,1),%esi
  38:	00 
  39:	55                   	push   %rbp
  3a:	89 e5                	mov    %esp,%ebp
  3c:	57                   	push   %rdi
  3d:	56                   	push   %rsi
  3e:	89 c6                	mov    %eax,%esi

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	31 c0                	xor    %eax,%eax
   6:	c3                   	ret
   7:	2e 8d b4 26 00 00 00 	cs lea 0x0(%rsi,%riz,1),%esi
   e:	00 
   f:	55                   	push   %rbp
  10:	89 e5                	mov    %esp,%ebp
  12:	57                   	push   %rdi
  13:	56                   	push   %rsi
  14:	89 c6                	mov    %eax,%esi
[    1.480862][   T45] EAX: ffffffff EBX: c0bfd640 ECX: 00000000 EDX: 00000000
[    1.482292][   T45] ESI: eaa771c0 EDI: c119e160 EBP: c08e9c0c ESP: c08e9c08
[    1.483721][   T45] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010286
[    1.485350][   T45] CR0: 80050033 CR2: ffbff000 CR3: 026c6000 CR4: 000006f0
[    1.486725][   T45] Call Trace:
[    1.487465][   T45]  rcu_read_unlock (include/linux/rcupdate.h:900)
[    1.488404][   T45]  lruvec_unlock_irqrestore (include/linux/memcontrol.h:1522)
[    1.489570][   T45]  folio_batch_move_lru (include/linux/mm.h:1501 mm/swap.c:179)
[    1.491100][   T45]  __folio_batch_add_and_move (mm/swap.c:196 (discriminator 2))
[    1.492318][   T45]  ? lru_deactivate_file (mm/swap.c:119)
[    1.493827][   T45]  folio_add_lru (mm/swap.c:514)
[    1.494817][   T45]  filemap_add_folio (mm/filemap.c:996)
[    1.495891][   T45]  __filemap_get_folio (mm/filemap.c:2023)
[    1.497735][   T45]  simple_write_begin (fs/libfs.c:932 (discriminator 1))
[    1.498813][   T45]  generic_perform_write (mm/filemap.c:4263)
[    1.500292][   T45]  __generic_file_write_iter (mm/filemap.c:4380)
[    1.501552][   T45]  generic_file_write_iter (mm/filemap.c:4406)
[    1.502790][   T45]  __kernel_write_iter (fs/read_write.c:619)
[    1.504090][   T45]  __kernel_write (fs/read_write.c:640)
[    1.505377][   T45]  kernel_write (fs/read_write.c:660 fs/read_write.c:650)
[    1.506306][   T45]  xwrite+0x27/0x80
[    1.507429][   T45]  do_copy (init/initramfs.c:417 (discriminator 1))
[    1.508361][   T45]  write_buffer (init/initramfs.c:470 (discriminator 1))
[    1.509300][   T45]  flush_buffer (init/initramfs.c:482 (discriminator 1))
[    1.510307][   T45]  __gunzip+0x21d/0x2c0
[    1.511424][   T45]  ? bunzip2 (lib/decompress_inflate.c:39)
[    1.512312][   T45]  ? __gunzip+0x2c0/0x2c0
[    1.513515][   T45]  gunzip (lib/decompress_inflate.c:208)
[    1.514359][   T45]  ? write_buffer (init/initramfs.c:476)
[    1.515304][   T45]  ? initrd_load (init/initramfs.c:64)
[    1.516217][   T45]  unpack_to_rootfs (init/initramfs.c:553)
[    1.517220][   T45]  ? write_buffer (init/initramfs.c:476)
[    1.518175][   T45]  ? initrd_load (init/initramfs.c:64)
[    1.519172][   T45]  ? reserve_initrd_mem (init/initramfs.c:719)
[    1.520375][   T45]  do_populate_rootfs (init/initramfs.c:734)
[    1.521401][   T45]  async_run_entry_fn (kernel/async.c:136 (discriminator 1))
[    1.522378][   T45]  ? async_schedule_node (kernel/async.c:118)
[    1.523492][   T45]  process_one_work (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:262 include/trace/events/workqueue.h:110 kernel/workqueue.c:3268)
[    1.526446][   T45]  process_scheduled_works (kernel/workqueue.c:3346)
[    1.527578][   T45]  worker_thread (include/linux/list.h:381 (discriminator 2) kernel/workqueue.c:952 (discriminator 2) kernel/workqueue.c:3428 (discriminator 2))
[    1.528573][   T45]  kthread (kernel/kthread.c:465)
[    1.529483][   T45]  ? process_scheduled_works (kernel/workqueue.c:3373)
[    1.530780][   T45]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[    1.531779][   T45]  ret_from_fork (arch/x86/kernel/process.c:164)
[    1.532664][   T45]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[    1.533736][   T45]  ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[    1.534846][   T45]  entry_INT80_32 (arch/x86/entry/entry_32.S:945)
[    1.536182][   T45] irq event stamp: 2161
[    1.536994][   T45] hardirqs last  enabled at (2161): _raw_spin_unlock_irqrestore (arch/x86/include/asm/irqflags.h:26 arch/x86/include/asm/irqflags.h:109 arch/x86/include/asm/irqflags.h:151 include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[    1.538763][   T45] hardirqs last disabled at (2160): _raw_spin_lock_irqsave (include/linux/spinlock_api_smp.h:109 kernel/locking/spinlock.c:162)
[    1.540674][   T45] softirqs last  enabled at (1956): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
[    1.542454][   T45] softirqs last disabled at (1949): __do_softirq (kernel/softirq.c:657)
[    1.544105][   T45] ---[ end trace 0000000000000000 ]---


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251104/202511041421.784bbd5e-lkp@intel.com



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


  reply	other threads:[~2025-11-04  6:49 UTC|newest]

Thread overview: 107+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-28 13:58 [PATCH v1 00/26] Eliminate Dying Memory Cgroup Qi Zheng
2025-10-28 13:58 ` [PATCH v1 01/26] mm: memcontrol: remove dead code of checking parent memory cgroup Qi Zheng
2025-11-07  1:40   ` Harry Yoo
2025-11-20  9:07   ` Chen Ridong
2025-10-28 13:58 ` [PATCH v1 02/26] mm: workingset: use folio_lruvec() in workingset_refault() Qi Zheng
2025-11-07  1:55   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 03/26] mm: rename unlock_page_lruvec_irq and its variants Qi Zheng
2025-11-07  2:03   ` Harry Yoo
2025-11-20 12:27   ` Chen Ridong
2025-10-28 13:58 ` [PATCH v1 04/26] mm: vmscan: refactor move_folios_to_lru() Qi Zheng
2025-11-07  5:11   ` Harry Yoo
2025-11-07  6:41     ` Qi Zheng
2025-11-07 13:20       ` Harry Yoo
2025-11-08  6:32         ` Shakeel Butt
2025-11-10  2:13           ` Harry Yoo
2025-11-10  4:30             ` Qi Zheng
2025-11-10  5:43               ` Harry Yoo
2025-11-10  6:11                 ` Qi Zheng
2025-11-10 16:47                 ` Shakeel Butt
2025-11-11  0:42                   ` Harry Yoo
2025-11-11  3:04                   ` Qi Zheng
2025-11-11  3:16                     ` Harry Yoo
2025-11-11  3:23                       ` Qi Zheng
2025-11-11  8:49                       ` Sebastian Andrzej Siewior
2025-11-11 16:44                         ` Shakeel Butt
2025-11-12  7:49                           ` Sebastian Andrzej Siewior
2025-11-12  8:46                             ` Harry Yoo
2025-11-12  8:54                               ` Sebastian Andrzej Siewior
2025-11-12 15:45                           ` Steven Rostedt
2025-11-11  3:17                     ` Shakeel Butt
2025-11-11  3:24                       ` Qi Zheng
2025-11-07  7:18     ` Sebastian Andrzej Siewior
2025-10-28 13:58 ` [PATCH v1 05/26] mm: memcontrol: allocate object cgroup for non-kmem case Qi Zheng
2025-11-17  8:02   ` Harry Yoo
2025-11-21  3:58   ` Chen Ridong
2025-11-21  8:17     ` Qi Zheng
2025-10-28 13:58 ` [PATCH v1 06/26] mm: memcontrol: return root object cgroup for root memory cgroup Qi Zheng
2025-11-17  9:17   ` Harry Yoo
2025-11-17  9:41     ` Harry Yoo
2025-11-18 11:31       ` Qi Zheng
2025-11-18 11:28     ` Qi Zheng
2025-11-18 12:11       ` Qi Zheng
2025-11-19  7:24         ` Harry Yoo
2025-11-19  7:42           ` Qi Zheng
2025-11-18 12:12       ` Harry Yoo
2025-11-19  6:40         ` Qi Zheng
2025-10-28 13:58 ` [PATCH v1 07/26] mm: memcontrol: prevent memory cgroup release in get_mem_cgroup_from_folio() Qi Zheng
2025-11-19  8:06   ` Harry Yoo
2025-11-20 13:32     ` Qi Zheng
2025-10-28 13:58 ` [PATCH v1 08/26] buffer: prevent memory cgroup release in folio_alloc_buffers() Qi Zheng
2025-11-19  8:10   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 09/26] writeback: prevent memory cgroup release in writeback module Qi Zheng
2025-11-19  9:18   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 10/26] mm: memcontrol: prevent memory cgroup release in count_memcg_folio_events() Qi Zheng
2025-11-19  9:21   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 11/26] mm: page_io: prevent memory cgroup release in page_io module Qi Zheng
2025-11-19  9:26   ` Harry Yoo
2025-11-20 13:34     ` Qi Zheng
2025-10-28 13:58 ` [PATCH v1 12/26] mm: migrate: prevent memory cgroup release in folio_migrate_mapping() Qi Zheng
2025-11-19 10:00   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 13/26] mm: mglru: prevent memory cgroup release in mglru Qi Zheng
2025-11-19 10:13   ` Harry Yoo
2025-11-20 13:39     ` Qi Zheng
2025-10-28 13:58 ` [PATCH v1 14/26] mm: memcontrol: prevent memory cgroup release in mem_cgroup_swap_full() Qi Zheng
2025-11-20  7:51   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 15/26] mm: workingset: prevent memory cgroup release in lru_gen_eviction() Qi Zheng
2025-11-20  8:26   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 16/26] mm: thp: prevent memory cgroup release in folio_split_queue_lock{_irqsave}() Qi Zheng
2025-11-20  8:53   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 17/26] mm: workingset: prevent lruvec release in workingset_refault() Qi Zheng
2025-11-20  9:40   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 18/26] mm: zswap: prevent lruvec release in zswap_folio_swapin() Qi Zheng
2025-11-20  9:42   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 19/26] mm: swap: prevent lruvec release in swap module Qi Zheng
2025-11-20  9:52   ` Harry Yoo
2025-11-20 13:41     ` Qi Zheng
2025-10-28 13:58 ` [PATCH v1 20/26] mm: workingset: prevent lruvec release in workingset_activation() Qi Zheng
2025-11-20  9:54   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 21/26] mm: memcontrol: prepare for reparenting LRU pages for lruvec lock Qi Zheng
2025-11-04  6:49   ` kernel test robot [this message]
2025-11-04  8:59     ` Qi Zheng
2025-11-21  3:15   ` Harry Yoo
2025-11-21  8:01     ` Qi Zheng
2025-10-28 13:58 ` [PATCH v1 22/26] mm: vmscan: prepare for reparenting traditional LRU folios Qi Zheng
2025-11-21 10:11   ` Harry Yoo
2025-10-28 13:58 ` [PATCH v1 23/26] mm: vmscan: prepare for reparenting MGLRU folios Qi Zheng
2025-11-25  9:55   ` Harry Yoo
2025-11-26  2:44     ` Qi Zheng
2025-11-26 13:48   ` Harry Yoo
2025-11-27  3:48     ` Qi Zheng
2025-12-01 15:40     ` Qi Zheng
2025-12-01 21:50       ` Yuanchu Xie
2025-12-02  3:04         ` Qi Zheng
2025-10-28 13:58 ` [PATCH v1 24/26] mm: memcontrol: refactor memcg_reparent_objcgs() Qi Zheng
2025-10-28 13:58 ` [PATCH v1 25/26] mm: memcontrol: eliminate the problem of dying memory cgroup for LRU folios Qi Zheng
2025-11-14 17:56   ` Michal Koutný
2025-11-20 11:56   ` Chen Ridong
2025-11-20 13:45     ` Qi Zheng
2025-10-28 13:58 ` [PATCH v1 26/26] mm: lru: add VM_WARN_ON_ONCE_FOLIO to lru maintenance helpers Qi Zheng
2025-10-28 20:58 ` [syzbot ci] Re: Eliminate Dying Memory Cgroup syzbot ci
2025-10-29  0:22   ` Harry Yoo
2025-10-29  0:25     ` syzbot ci
2025-10-29  3:12     ` Qi Zheng
2025-10-29  7:53 ` [PATCH v1 00/26] " Michal Hocko
2025-10-29  8:05   ` Qi Zheng
2025-10-31 10:35     ` Michal Hocko
2025-11-03  3:33       ` Qi Zheng

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