linux-kernel - [PATCH] block: fix memory leak in bio

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <49B4DD9C.5030902@cn.fujitsu.com>
Date:	Mon, 09 Mar 2009 17:13:00 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] block: fix memory leak in bio_clone()

If bio_integrity_clone() fails, bio_clone() returns NULL without freeing
the newly allocated bio.

Signed-off-by: Li Zefan <lizf@...fujitsu.com>
---
 fs/bio.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/fs/bio.c b/fs/bio.c
index 124b95c..896330e 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -465,8 +465,10 @@ struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask)
 
 		ret = bio_integrity_clone(b, bio, fs_bio_set);
 
-		if (ret < 0)
+		if (ret < 0) {
+			bio_put(bio);
 			return NULL;
+		}
 	}
 
 	return b;
-- 1.5.4.rc3 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/