Re: [f2fs-dev] [PATCH v2] f2fs: avoid reading already updated pages during GC

[patchwork-bot+f2fs]

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@xxxxxxxxxx>:

On Thu, 5 Mar 2026 09:18:10 +0800 you wrote:
> We found the following issue during fuzz testing:
> 
> page: refcount:3 mapcount:0 mapping:00000000b6e89c65 index:0x18b2dc pfn:0x161ba9
> memcg:f8ffff800e269c00
> aops:f2fs_meta_aops ino:2
> flags: 0x52880000000080a9(locked|waiters|uptodate|lru|private|zone=1|kasantag=0x4a)
> raw: 52880000000080a9 fffffffec6e17588 fffffffec0ccc088 a7ffff8067063618
> raw: 000000000018b2dc 0000000000000009 00000003ffffffff f8ffff800e269c00
> page dumped because: VM_BUG_ON_FOLIO(folio_test_uptodate(folio))
> page_owner tracks the page as allocated
>  post_alloc_hook+0x58c/0x5ec
>  prep_new_page+0x34/0x284
>  get_page_from_freelist+0x2dcc/0x2e8c
>  __alloc_pages_noprof+0x280/0x76c
>  __folio_alloc_noprof+0x18/0xac
>  __filemap_get_folio+0x6bc/0xdc4
>  pagecache_get_page+0x3c/0x104
>  do_garbage_collect+0x5c78/0x77a4
>  f2fs_gc+0xd74/0x25f0
>  gc_thread_func+0xb28/0x2930
>  kthread+0x464/0x5d8
>  ret_from_fork+0x10/0x20
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v2] f2fs: avoid reading already updated pages during GC
    https://git.kernel.org/jaegeuk/f2fs/c/5d143972155e

You are awesome, thank you!
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