Subject mm: store zswap entries in swap table (Pointer entry)
Author baoquan.he@linux.dev
Date 2026-07-07 07:31:58 +0000 UTC
Version
Cc akpm@linux-foundation.org baohua@kernel.org baoquan.he@linux.dev chengming.zhou@linux.dev chrisl@kernel.org hannes@cmpxchg.org kasong@tencent.com linux-kernel@vger.kernel.org linux-mm@kvack.org nphamcs@gmail.com shikemeng@huaweicloud.com yosry@kernel.org youngjun.park@lge.com
Patches (7)
Name Content [All]
[RFC PATCH 1/7] mm/swap_table: add Pointer type support for zswap entry storage [Body]
[RFC PATCH 2/7] mm/zswap: add swp_tb_val to zswap_entry and Pointer accessor helpers [Body]
[RFC PATCH 3/7] mm/swap_state: do zswap conversion in __swap_cache_do_del_folio [Body]
[RFC PATCH 4/7] mm/zswap, mm/swap_state: handle Pointer entries in add_folio path [Body]
[RFC PATCH 5/7] mm/swapfile: handle Pointer entries in count/dup/put paths [Body]
[RFC PATCH 6/7] mm/zswap, mm/swap_state: migrate zswap to use swap_table for entry indexing [Body]
[RFC PATCH 7/7] mm/zswap, mm/swap_state: replace xarray indexing with swap table lookups [Body]
Series Summary
1 Findings
finding WARNING in __swap_cache_do_del_folio
Log Syz Repro
Sessions
Session 2026-07-07
1 Findings
ID (for dev) 0be5c455-b6b7-4512-a6a1-e47e3c931392
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 01bc0932614c2d3c35e732f54d249b5897d94307 [Config] passed [Log]
[KASAN] Boot test: Base 01bc0932614c2d3c35e732f54d249b5897d94307 [Config] passed [Log]
[KASAN] Build Patched 01bc0932614c2d3c35e732f54d249b5897d94307 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 01bc0932614c2d3c35e732f54d249b5897d94307 [Config] [patched] passed [Log]
[KASAN] Fuzz 01bc0932614c2d3c35e732f54d249b5897d94307 [Config] 01bc0932614c2d3c35e732f54d249b5897d94307 [Config] [patched] passed [Log] [Artifacts]
finding WARNING in __swap_cache_do_del_folio
Log Syz Repro