| From | Willy Tarreau <> | Subject | [PATCH 3.10 165/319] UBIFS: Fix possible memory leak in ubifs_readdir() | Date | Sun, 5 Feb 2017 20:19:47 +0100 |
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From: Richard Weinberger <richard@nod.at>
commit aeeb14f763917ccf639a602cfbeee6957fd944a2 upstream.
If ubifs_tnc_next_ent() returns something else than -ENOENT we leak file->private_data.
Signed-off-by: Richard Weinberger <richard@nod.at> Reviewed-by: David Gstir <david@sigma-star.at> Signed-off-by: Willy Tarreau <w@1wt.eu> --- fs/ubifs/dir.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index 605af51..879242b 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -467,13 +467,14 @@ static int ubifs_readdir(struct file *file, void *dirent, filldir_t filldir) } out: + kfree(file->private_data); + file->private_data = NULL; + if (err != -ENOENT) { ubifs_err("cannot find next direntry, error %d", err); return err; } - kfree(file->private_data); - file->private_data = NULL; /* 2 is a special value indicating that there are no more direntries */ file->f_pos = 2; return 0; -- 2.8.0.rc2.1.gbe9624a
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