Syzbot CI

Subject	mm: fix allocator races with memory hotplug
Author	gourry@gourry.net
Date	2026-11-01 02:13:29 +0000 UTC
Version
Cc	akpm@linux-foundation.org anshuman.khandual@arm.com axelrasmussen@google.com baohua@kernel.org baolin.wang@linux.alibaba.com baoquan.he@linux.dev bessel.wang@huawei.com bigeasy@linutronix.de brendan.jackman@linux.dev clrkwllms@kernel.org david@kernel.org gourry@gourry.net hannes@cmpxchg.org jiang.liu@huawei.com josef@toxicpanda.com joshua.hahnjy@gmail.com justinstitt@google.com kasong@tencent.com kernel-team@meta.com liam@infradead.org linux-kernel@vger.kernel.org linux-mm@kvack.org linux-trace-kernel@vger.kernel.org ljs@kernel.org mathieu.desnoyers@efficios.com mgorman@techsingularity.net mhiramat@kernel.org mhocko@suse.com morbo@google.com muchun.song@linux.dev nathan@kernel.org ndesaulniers@google.com osalvador@suse.de qi.zheng@linux.dev rakie.kim@sk.com rientjes@google.com rostedt@goodmis.org rppt@kernel.org shakeel.butt@linux.dev stable@vger.kernel.org surenb@google.com vbabka@kernel.org weixugc@google.com ying.huang@linux.alibaba.com yuanchu@google.com ziy@nvidia.com

Subject

Author

gourry@gourry.net

Date

2026-11-01 02:13:29 +0000 UTC

Version

akpm@linux-foundation.org anshuman.khandual@arm.com axelrasmussen@google.com baohua@kernel.org baolin.wang@linux.alibaba.com baoquan.he@linux.dev bessel.wang@huawei.com bigeasy@linutronix.de brendan.jackman@linux.dev clrkwllms@kernel.org david@kernel.org gourry@gourry.net hannes@cmpxchg.org jiang.liu@huawei.com josef@toxicpanda.com joshua.hahnjy@gmail.com justinstitt@google.com kasong@tencent.com kernel-team@meta.com liam@infradead.org linux-kernel@vger.kernel.org linux-mm@kvack.org linux-trace-kernel@vger.kernel.org ljs@kernel.org mathieu.desnoyers@efficios.com mgorman@techsingularity.net mhiramat@kernel.org mhocko@suse.com morbo@google.com muchun.song@linux.dev nathan@kernel.org ndesaulniers@google.com osalvador@suse.de qi.zheng@linux.dev rakie.kim@sk.com rientjes@google.com rostedt@goodmis.org rppt@kernel.org shakeel.butt@linux.dev stable@vger.kernel.org surenb@google.com vbabka@kernel.org weixugc@google.com ying.huang@linux.alibaba.com yuanchu@google.com ziy@nvidia.com

Name	Content [All]
[PATCH v5 01/12] mm/page_alloc: reset can_retry_reserves when the slowpath restarts	[Body]
[PATCH v5 02/12] mm/page_alloc: keep the pagesets of an empty zone	[Body]
[PATCH v5 03/12] mm, page_alloc: pass zone pointer to trace_reclaim_retry_zone	[Body]
[PATCH v5 04/12] mm/page_alloc: detect zonelist rebuilds from memory hot-add	[Body]
[PATCH v5 05/12] mm/mmzone: read the zoneref slot once in zonelist_zone()	[Body]
[PATCH v5 06/12] mm/page_alloc: snapshot the preferred zone against shrink rebuilds	[Body]
[PATCH v5 07/12] mm/mmzone: read each zoneref slot once when filtering by nodemask	[Body]
[PATCH v5 08/12] mm/page_alloc: retry allocations that raced with a zonelist rebuild	[Body]
[PATCH v5 09/12] mm/hugetlb: retry the pool walk when the zonelist is rebuilt	[Body]
[PATCH v5 10/12] mm/page_alloc: retry alloc_contig_pages() when the zonelist is rebuilt	[Body]
[PATCH v5 11/12] mm/mempolicy: read the zoneref slot once in mempolicy_slab_node()	[Body]
[PATCH v5 12/12] mm/mmzone: remove zonelist_node_idx()	[Body]

Name

Content [All]

Passed

Test	Base	Patched	Verdict
[KASAN] Build Base	d27caadcba5c939ab62ad2fec56b80397156e1f7 [Config]		passed [Log]
[KASAN] Boot test: Base	d27caadcba5c939ab62ad2fec56b80397156e1f7 [Config]		passed [Log]
[KASAN] Build Patched		d27caadcba5c939ab62ad2fec56b80397156e1f7 [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		d27caadcba5c939ab62ad2fec56b80397156e1f7 [Config] [patched]	passed [Log]
[KASAN] Fuzz	d27caadcba5c939ab62ad2fec56b80397156e1f7 [Config]	d27caadcba5c939ab62ad2fec56b80397156e1f7 [Config] [patched]	passed [Log] [Artifacts]