This is a note to let you know that I've just added the patch titled f2fs: compress: fix to print raw data size in error path of lz4 decompression to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: f2fs-compress-fix-to-print-raw-data-size-in-error-pa.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 51f3a81b99f6918fc37e2ababae92c6650db0bc3 Author: Chao Yu <chao@xxxxxxxxxx> Date: Wed Mar 16 18:20:00 2022 +0800 f2fs: compress: fix to print raw data size in error path of lz4 decompression [ Upstream commit d284af43f703760e261b1601378a0c13a19d5f1f ] In lz4_decompress_pages(), if size of decompressed data is not equal to expected one, we should print the size rather than size of target buffer for decompressed data, fix it. Signed-off-by: Chao Yu <chao.yu@xxxxxxxx> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 58d255d3a518..6adf04725954 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -312,10 +312,9 @@ static int lz4_decompress_pages(struct decompress_io_ctx *dic) } if (ret != PAGE_SIZE << dic->log_cluster_size) { - printk_ratelimited("%sF2FS-fs (%s): lz4 invalid rlen:%zu, " + printk_ratelimited("%sF2FS-fs (%s): lz4 invalid ret:%d, " "expected:%lu\n", KERN_ERR, - F2FS_I_SB(dic->inode)->sb->s_id, - dic->rlen, + F2FS_I_SB(dic->inode)->sb->s_id, ret, PAGE_SIZE << dic->log_cluster_size); return -EIO; }