linux-kernel - [PATCH 0/3] nilfs2: fix potential issues with empty b-tree nodes

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

Message-ID: <20240904081401.16682-1-konishi.ryusuke@gmail.com>
Date: Wed,  4 Sep 2024 17:13:06 +0900
From: Ryusuke Konishi <konishi.ryusuke@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-nilfs <linux-nilfs@...r.kernel.org>,
	syzbot <syzbot+9bff4c7b992038a7409f@...kaller.appspotmail.com>,
	syzkaller-bugs@...glegroups.com,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 0/3] nilfs2: fix potential issues with empty b-tree nodes

Hi Andrew,

please add this series to the queue for the next cycle.

This addresses three potential issues with empty b-tree nodes that can
occur with corrupted filesystem images, including one recently
discovered by syzbot.

Thanks,
Ryusuke Konishi

Ryusuke Konishi (3):
  nilfs2: fix potential null-ptr-deref in nilfs_btree_insert()
  nilfs2: determine empty node blocks as corrupted
  nilfs2: fix potential oob read in nilfs_btree_check_delete()

 fs/nilfs2/btree.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

-- 
2.43.0