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From: Vasiliy Kovalev <kovalev@altlinux.org>
To: Dave Kleikamp <shaggy@kernel.org>,
	Josef Bacik <josef@toxicpanda.com>,
	Matthew Wilcox <willy@infradead.org>,
	Christian Brauner <brauner@kernel.org>,
	jfs-discussion@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Cc: lvc-project@linuxtesting.org, kovalev@altlinux.org,
	syzbot+4e89b5368baba8324e07@syzkaller.appspotmail.com
Subject: [PATCH 0/2]  jfs: add checks read-only to prevent NULL pointer deref
Date: Tue, 24 Dec 2024 17:49:12 +0300	[thread overview]
Message-ID: <20241224144914.976419-1-kovalev@altlinux.org> (raw)

These two patches add read-only checks in JFS functions to
prevent attempts to modify a read-only filesystem, which could
lead to NULL pointer dereferencing. 

Reported-by: syzbot+4e89b5368baba8324e07@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=4e89b5368baba8324e07

[PATCH 1/2] jfs: add check read-only before txBeginAnon() call
[PATCH 2/2] jfs: add check read-only before truncation in jfs_truncate_nolock()


             reply	other threads:[~2024-12-24 14:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-24 14:49 Vasiliy Kovalev [this message]
2024-12-24 14:49 ` [PATCH 1/2] jfs: add check read-only before txBeginAnon() call Vasiliy Kovalev
2024-12-24 14:49 ` [PATCH 2/2] jfs: add check read-only before truncation in jfs_truncate_nolock() Vasiliy Kovalev

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