Re: [PATCH 6.12.y] f2fs: fix to avoid accessing uninitialized curseg

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

✅ All tests passed successfully. No issues detected.
No action required from the submitter.

The upstream commit SHA1 provided is correct: 986c50f6bca109c6cf362b4e2babcb85aba958f6

WARNING: Author mismatch between patch and upstream commit:
Backport author: alvalan9@foxmail.com
Commit author: Chao Yu<chao@kernel.org>

Status in newer kernel trees:
6.15.y | Present (exact SHA1)
6.14.y | Present (different SHA1: 7f90e5d423cd)

Note: The patch differs from the upstream commit:
---
1:  986c50f6bca10 ! 1:  7a4b17ea75981 f2fs: fix to avoid accessing uninitialized curseg
    @@ Metadata
      ## Commit message ##
         f2fs: fix to avoid accessing uninitialized curseg
     
    +    [ Upstream commit 986c50f6bca109c6cf362b4e2babcb85aba958f6 ]
    +
         syzbot reports a f2fs bug as below:
     
         F2FS-fs (loop3): Stopped filesystem due to reason: 7
    @@ Commit message
         Closes: https://lore.kernel.org/all/67973c2b.050a0220.11b1bb.0089.GAE@google.com
         Signed-off-by: Chao Yu <chao@kernel.org>
         Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
    +    Signed-off-by: Alva Lan <alvalan9@foxmail.com>
     
      ## fs/f2fs/inode.c ##
     @@ fs/f2fs/inode.c: int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-6.12.y       |  Success    |  Success   |