linux-ext4 - [PATCH] ext4: fix ext4_fill

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 for Android: free password hash cracker in your pocket

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

Message-ID: <4896C2C2.4010604@cn.fujitsu.com>
Date:	Mon, 04 Aug 2008 16:50:10 +0800
From:	Shen Feng <shen@...fujitsu.com>
To:	linux-ext4@...r.kernel.org
Subject: [PATCH] ext4: fix ext4_fill_super memory leak


When ext4_fill_super fails, s_flex_groups is not freed.
Fix it.

Signed-off-by: Shen Feng <shen@...fujitsu.com>
---
 fs/ext4/super.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index b5479b1..6ed0e27 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2487,6 +2487,7 @@ failed_mount4:
 	jbd2_journal_destroy(sbi->s_journal);
 	sbi->s_journal = NULL;
 failed_mount3:
+	kfree(sbi->s_flex_groups);
 	percpu_counter_destroy(&sbi->s_freeblocks_counter);
 	percpu_counter_destroy(&sbi->s_freeinodes_counter);
 	percpu_counter_destroy(&sbi->s_dirs_counter);
-- 
1.5.5.1
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html