The prepare_compress_overwrite() gets/locks a page to prepare a read, and calls f2fs_read_multi_pages() which checks EOF first. If there's any page beyond EOF, we unlock the page and set cc->rpages[i] = NULL, which we can't put the page anymore. This makes page leak, so let's fix by putting that page.
Signed-off-by: Jaegeuk Kim <[email protected]> --- fs/f2fs/data.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 8e8824605f83..41d29382eced 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2183,6 +2183,8 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, continue; } unlock_page(page); + if (for_write) + put_page(page); cc->rpages[i] = NULL; cc->nr_rpages--; } -- 2.33.0.259.gc128427fd7-goog _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
