From: Chao Yu yuchao0@huawei.com
[ Upstream commit 02772fbfcba8597eef9d5c5f7f94087132d0c1d4 ]
Memory allocated for storing compressed pages' poitner should be released after f2fs_write_compressed_pages(), otherwise it will cause memory leak issue.
Signed-off-by: Chao Yu yuchao0@huawei.com Fixes: 4c8ff7095bef ("f2fs: support data compression") Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- fs/f2fs/compress.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index a5b2e72174bb1..527d50edcb956 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -1250,6 +1250,8 @@ int f2fs_write_multi_pages(struct compress_ctx *cc, err = f2fs_write_compressed_pages(cc, submitted, wbc, io_type); cops->destroy_compress_ctx(cc); + kfree(cc->cpages); + cc->cpages = NULL; if (!err) return 0; f2fs_bug_on(F2FS_I_SB(cc->inode), err != -EAGAIN);