Syzbot CI

Subject	Eliminate Dying Memory Cgroup
Author	qi.zheng@linux.dev
Date	2026-02-25 07:48:34 +0000 UTC
Version
Cc	akpm@linux-foundation.org apais@linux.microsoft.com axelrasmussen@google.com bhe@redhat.com cgroups@vger.kernel.org chengming.zhou@linux.dev chenridong@huawei.com chenridong@huaweicloud.com david@kernel.org hamzamahfooz@linux.microsoft.com hannes@cmpxchg.org harry.yoo@oracle.com hughd@google.com imran.f.khan@oracle.com kamalesh.babulal@oracle.com lance.yang@linux.dev linux-kernel@vger.kernel.org linux-mm@kvack.org lorenzo.stoakes@oracle.com mhocko@suse.com mkoutny@suse.com muchun.song@linux.dev nphamcs@gmail.com qi.zheng@linux.dev roman.gushchin@linux.dev shakeel.butt@linux.dev songmuchun@bytedance.com usamaarif642@gmail.com weixugc@google.com yosry.ahmed@linux.dev yuanchu@google.com zhengqi.arch@bytedance.com ziy@nvidia.com

Subject

Author

qi.zheng@linux.dev

Date

2026-02-25 07:48:34 +0000 UTC

Version

akpm@linux-foundation.org apais@linux.microsoft.com axelrasmussen@google.com bhe@redhat.com cgroups@vger.kernel.org chengming.zhou@linux.dev chenridong@huawei.com chenridong@huaweicloud.com david@kernel.org hamzamahfooz@linux.microsoft.com hannes@cmpxchg.org harry.yoo@oracle.com hughd@google.com imran.f.khan@oracle.com kamalesh.babulal@oracle.com lance.yang@linux.dev linux-kernel@vger.kernel.org linux-mm@kvack.org lorenzo.stoakes@oracle.com mhocko@suse.com mkoutny@suse.com muchun.song@linux.dev nphamcs@gmail.com qi.zheng@linux.dev roman.gushchin@linux.dev shakeel.butt@linux.dev songmuchun@bytedance.com usamaarif642@gmail.com weixugc@google.com yosry.ahmed@linux.dev yuanchu@google.com zhengqi.arch@bytedance.com ziy@nvidia.com

Name	Content [All]
[PATCH v5 01/32] mm: memcontrol: remove dead code of checking parent memory cgroup	[Body]
[PATCH v5 02/32] mm: workingset: use folio_lruvec() in workingset_refault()	[Body]
[PATCH v5 03/32] mm: rename unlock_page_lruvec_irq and its variants	[Body]
[PATCH v5 04/32] mm: vmscan: prepare for the refactoring the move_folios_to_lru()	[Body]
[PATCH v5 05/32] mm: vmscan: refactor move_folios_to_lru()	[Body]
[PATCH v5 06/32] mm: memcontrol: allocate object cgroup for non-kmem case	[Body]
[PATCH v5 07/32] mm: memcontrol: return root object cgroup for root memory cgroup	[Body]
[PATCH v5 08/32] mm: memcontrol: prevent memory cgroup release in get_mem_cgroup_from_folio()	[Body]
[PATCH v5 09/32] buffer: prevent memory cgroup release in folio_alloc_buffers()	[Body]
[PATCH v5 10/32] writeback: prevent memory cgroup release in writeback module	[Body]
[PATCH v5 11/32] mm: memcontrol: prevent memory cgroup release in count_memcg_folio_events()	[Body]
[PATCH v5 12/32] mm: page_io: prevent memory cgroup release in page_io module	[Body]
[PATCH v5 13/32] mm: migrate: prevent memory cgroup release in folio_migrate_mapping()	[Body]
[PATCH v5 14/32] mm: mglru: prevent memory cgroup release in mglru	[Body]
[PATCH v5 15/32] mm: memcontrol: prevent memory cgroup release in mem_cgroup_swap_full()	[Body]
[PATCH v5 16/32] mm: workingset: prevent memory cgroup release in lru_gen_eviction()	[Body]
[PATCH v5 17/32] mm: thp: prevent memory cgroup release in folio_split_queue_lock{_irqsave}()	[Body]
[PATCH v5 18/32] mm: zswap: prevent memory cgroup release in zswap_compress()	[Body]
[PATCH v5 19/32] mm: workingset: prevent lruvec release in workingset_refault()	[Body]
[PATCH v5 20/32] mm: zswap: prevent lruvec release in zswap_folio_swapin()	[Body]
[PATCH v5 21/32] mm: swap: prevent lruvec release in lru_gen_clear_refs()	[Body]
[PATCH v5 22/32] mm: workingset: prevent lruvec release in workingset_activation()	[Body]
[PATCH v5 23/32] mm: do not open-code lruvec lock	[Body]
[PATCH v5 24/32] mm: memcontrol: prepare for reparenting LRU pages for lruvec lock	[Body]
[PATCH v5 25/32] mm: vmscan: prepare for reparenting traditional LRU folios	[Body]
[PATCH v5 26/32] mm: vmscan: prepare for reparenting MGLRU folios	[Body]
[PATCH v5 27/32] mm: memcontrol: refactor memcg_reparent_objcgs()	[Body]
[PATCH v5 28/32] mm: workingset: use lruvec_lru_size() to get the number of lru pages	[Body]
[PATCH v5 29/32] mm: memcontrol: prepare for reparenting non-hierarchical stats	[Body]
[PATCH v5 30/32] mm: memcontrol: convert objcg to be per-memcg per-node type	[Body]
[PATCH v5 31/32] mm: memcontrol: eliminate the problem of dying memory cgroup for LRU folios	[Body]
[PATCH v5 32/32] mm: lru: add VM_WARN_ON_ONCE_FOLIO to lru maintenance helpers	[Body]

Name

Content [All]

[PATCH v5 01/32] mm: memcontrol: remove dead code of checking parent memory cgroup

[PATCH v5 02/32] mm: workingset: use folio_lruvec() in workingset_refault()

[PATCH v5 03/32] mm: rename unlock_page_lruvec_irq and its variants

[PATCH v5 04/32] mm: vmscan: prepare for the refactoring the move_folios_to_lru()

[PATCH v5 05/32] mm: vmscan: refactor move_folios_to_lru()

[PATCH v5 06/32] mm: memcontrol: allocate object cgroup for non-kmem case

[PATCH v5 07/32] mm: memcontrol: return root object cgroup for root memory cgroup

[PATCH v5 08/32] mm: memcontrol: prevent memory cgroup release in get_mem_cgroup_from_folio()

[PATCH v5 09/32] buffer: prevent memory cgroup release in folio_alloc_buffers()

[PATCH v5 10/32] writeback: prevent memory cgroup release in writeback module

[PATCH v5 11/32] mm: memcontrol: prevent memory cgroup release in count_memcg_folio_events()

[PATCH v5 12/32] mm: page_io: prevent memory cgroup release in page_io module

[PATCH v5 13/32] mm: migrate: prevent memory cgroup release in folio_migrate_mapping()

[PATCH v5 14/32] mm: mglru: prevent memory cgroup release in mglru

[PATCH v5 15/32] mm: memcontrol: prevent memory cgroup release in mem_cgroup_swap_full()

[PATCH v5 16/32] mm: workingset: prevent memory cgroup release in lru_gen_eviction()

[PATCH v5 17/32] mm: thp: prevent memory cgroup release in folio_split_queue_lock{_irqsave}()

[PATCH v5 18/32] mm: zswap: prevent memory cgroup release in zswap_compress()

[PATCH v5 19/32] mm: workingset: prevent lruvec release in workingset_refault()

[PATCH v5 20/32] mm: zswap: prevent lruvec release in zswap_folio_swapin()

[PATCH v5 21/32] mm: swap: prevent lruvec release in lru_gen_clear_refs()

[PATCH v5 22/32] mm: workingset: prevent lruvec release in workingset_activation()

[PATCH v5 23/32] mm: do not open-code lruvec lock

[PATCH v5 24/32] mm: memcontrol: prepare for reparenting LRU pages for lruvec lock

[PATCH v5 25/32] mm: vmscan: prepare for reparenting traditional LRU folios

[PATCH v5 26/32] mm: vmscan: prepare for reparenting MGLRU folios

[PATCH v5 27/32] mm: memcontrol: refactor memcg_reparent_objcgs()

[PATCH v5 28/32] mm: workingset: use lruvec_lru_size() to get the number of lru pages

[PATCH v5 29/32] mm: memcontrol: prepare for reparenting non-hierarchical stats

[PATCH v5 30/32] mm: memcontrol: convert objcg to be per-memcg per-node type

[PATCH v5 31/32] mm: memcontrol: eliminate the problem of dying memory cgroup for LRU folios

[PATCH v5 32/32] mm: lru: add VM_WARN_ON_ONCE_FOLIO to lru maintenance helpers

Session 2026-02-25

Passed

ID (for dev)	3b66541d-4f78-4d6e-9be8-b0b5bc06d60e
Status	finished
Triaged	OK [Log]
Execution Log	[Link]

Test	Base	Patched	Verdict
[KASAN] Build Base	e58d52bda6cbebb71e676677287c7c9ddaba05df [Config]		passed [Log]
[KASAN] Boot test: Base	e58d52bda6cbebb71e676677287c7c9ddaba05df [Config]		passed [Log]
[KASAN] Build Patched		e58d52bda6cbebb71e676677287c7c9ddaba05df [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		e58d52bda6cbebb71e676677287c7c9ddaba05df [Config] [patched]	passed [Log]
[KASAN] Fuzz	e58d52bda6cbebb71e676677287c7c9ddaba05df [Config]	e58d52bda6cbebb71e676677287c7c9ddaba05df [Config] [patched]	passed [Log] [Artifacts]

Patches (32)

Series Summary

Sessions

Session 2026-02-25