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| author | Gao Xiang <hsiangkao@linux.alibaba.com> | 2025-01-14 12:00:58 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-08 10:02:05 +0100 |
| commit | 0c246bf6768f4bc87e2737af177ea347d5dda122 (patch) | |
| tree | d5b0b6454ba3664670d6a86e3604c8e1807d81db /fs | |
| parent | 70fcb25472d90dd3b87cbee74b9eb68670b0c7b8 (diff) | |
| download | linux-0c246bf6768f4bc87e2737af177ea347d5dda122.tar.gz linux-0c246bf6768f4bc87e2737af177ea347d5dda122.tar.bz2 linux-0c246bf6768f4bc87e2737af177ea347d5dda122.zip | |
erofs: fix potential return value overflow of z_erofs_shrink_scan()
[ Upstream commit db902986dee453bfb5835cbc8efa67154ab34caf ]
z_erofs_shrink_scan() could return small numbers due to the mistyped
`freed`.
Although I don't think it has any visible impact.
Fixes: 3883a79abd02 ("staging: erofs: introduce VLE decompression support")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250114040058.459981-1-hsiangkao@linux.alibaba.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/erofs/zdata.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index 19ef4ff2a134..f416b73e0ca3 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -927,8 +927,7 @@ unsigned long z_erofs_shrink_scan(struct erofs_sb_info *sbi, unsigned long nr_shrink) { struct z_erofs_pcluster *pcl; - unsigned int freed = 0; - unsigned long index; + unsigned long index, freed = 0; xa_lock(&sbi->managed_pslots); xa_for_each(&sbi->managed_pslots, index, pcl) { |