* [moderation/CI] Re: mm, swap: never bypass swap cache and cleanup flags (swap table phase II)
@ 2025-10-29 16:43 syzbot ci
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From: syzbot ci @ 2025-10-29 16:43 UTC (permalink / raw)
To: syzkaller-upstream-moderation; +Cc: syzbot
syzbot ci has tested the following series
[v1] mm, swap: never bypass swap cache and cleanup flags (swap table phase II)
https://lore.kernel.org/all/20251029-swap-table-p2-v1-0-3d43f3b6ec32@tencent.com
* [PATCH 01/19] mm/swap: rename __read_swap_cache_async to swap_cache_alloc_folio
* [PATCH 02/19] mm, swap: split swap cache preparation loop into a standalone helper
* [PATCH 03/19] mm, swap: never bypass the swap cache even for SWP_SYNCHRONOUS_IO
* [PATCH 04/19] mm, swap: always try to free swap cache for SWP_SYNCHRONOUS_IO devices
* [PATCH 05/19] mm, swap: simplify the code and reduce indention
* [PATCH 06/19] mm, swap: free the swap cache after folio is mapped
* [PATCH 07/19] mm/shmem: never bypass the swap cache for SWP_SYNCHRONOUS_IO
* [PATCH 08/19] mm/shmem, swap: remove SWAP_MAP_SHMEM
* [PATCH 09/19] mm, swap: swap entry of a bad slot should not be considered as swapped out
* [PATCH 10/19] mm, swap: consolidate cluster reclaim and check logic
* [PATCH 11/19] mm, swap: split locked entry duplicating into a standalone helper
* [PATCH 12/19] mm, swap: use swap cache as the swap in synchronize layer
* [PATCH 13/19] mm, swap: remove workaround for unsynchronized swap map cache state
* [PATCH 14/19] mm, swap: sanitize swap entry management workflow
* [PATCH 15/19] mm, swap: add folio to swap cache directly on allocation
* [PATCH 16/19] mm, swap: check swap table directly for checking cache
* [PATCH 17/19] mm, swap: clean up and improve swap entries freeing
* [PATCH 18/19] mm, swap: drop the SWAP_HAS_CACHE flag
* [PATCH 19/19] mm, swap: remove no longer needed _swap_info_get
and found the following issue:
kernel build error
Full report is available here:
https://ci.syzbot.org/series/01d6b19c-9614-4f8f-949e-c5adf3eab00f
***
kernel build error
tree: mm-new
URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/akpm/mm.git
base: f30d294530d939fa4b77d61bc60f25c4284841fa
arch: amd64
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
config: https://ci.syzbot.org/builds/345b9221-49ac-41ee-9a72-57ed683ef067/config
mm/swapfile.c:1368:2: error: void function 'swap_alloc_slow' should not return a value [-Wreturn-mismatch]
***
If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syzbot@syzkaller.appspotmail.com
---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.
The email will later be sent to:
[akpm@linux-foundation.org baohua@kernel.org baolin.wang@linux.alibaba.com bhe@redhat.com chrisl@kernel.org david@redhat.com hannes@cmpxchg.org hughd@google.com kasong@tencent.com linux-kernel@vger.kernel.org linux-mm@kvack.org lorenzo.stoakes@oracle.com nphamcs@gmail.com ryncsn@gmail.com shikemeng@huaweicloud.com willy@infradead.org ying.huang@linux.alibaba.com yosry.ahmed@linux.dev youngjun.park@lge.com]
If the report looks fine to you, reply with:
#syz upstream
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2025-10-29 16:43 [moderation/CI] Re: mm, swap: never bypass swap cache and cleanup flags (swap table phase II) syzbot ci
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