From: bin.lan.cn@windriver.com
To: gregkh@linuxfoundation.org, stable@vger.kernel.org
Cc: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>,
syzbot+c6d94bedd910a8216d25@syzkaller.appspotmail.com,
Bin Lan <bin.lan.cn@windriver.com>, He Zhe <zhe.he@windriver.com>
Subject: [PATCH 6.1.y] fs/ntfs3: Add rough attr alloc_size check
Date: Mon, 10 Mar 2025 15:53:43 +0800 [thread overview]
Message-ID: <20250310075343.659244-1-bin.lan.cn@windriver.com> (raw)
From: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
[ Upstream commit c4a8ba334262e9a5c158d618a4820e1b9c12495c ]
Reported-by: syzbot+c6d94bedd910a8216d25@syzkaller.appspotmail.com
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Bin Lan <bin.lan.cn@windriver.com>
Signed-off-by: He Zhe <zhe.he@windriver.com>
---
Verified the build test.
---
fs/ntfs3/record.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/ntfs3/record.c b/fs/ntfs3/record.c
index b2b98631a000..bfb1f4c2f271 100644
--- a/fs/ntfs3/record.c
+++ b/fs/ntfs3/record.c
@@ -325,6 +325,9 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
} else {
if (attr->nres.c_unit)
return NULL;
+
+ if (alloc_size > mi->sbi->volume.size)
+ return NULL;
}
return attr;
--
2.34.1
next reply other threads:[~2025-03-10 7:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-10 7:53 bin.lan.cn [this message]
2025-03-13 9:01 ` [PATCH 6.1.y] fs/ntfs3: Add rough attr alloc_size check Sasha Levin
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