linux-kernel - Forwarded: Re: [syzbot] [ntfs3?] KMSAN: uninit-value in ntfs_read

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Message-ID: <68d18f74.050a0220.139b6.001d.GAE@google.com>
Date: Mon, 22 Sep 2025 11:03:32 -0700
From: syzbot <syzbot+332bd4e9d148f11a87dc@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Forwarded: Re: [syzbot] [ntfs3?] KMSAN: uninit-value in ntfs_read_hdr (3)

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***

Subject: Re: [syzbot] [ntfs3?] KMSAN: uninit-value in ntfs_read_hdr (3)
Author: sidharthseela@...il.com

Signed-off-by: Sidharth Seela <sidharthseela@...il.com>
Reported-by: syzbot+332bd4e9d148f11a87dc@...kaller.appspotmail.com

#syz test 
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index 37cbbee7fa58..6b14c13bda68 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -1716,6 +1716,7 @@ int ntfs_link_inode(struct inode *inode, struct dentry *dentry)
 	de = __getname();
 	if (!de)
 		return -ENOMEM;
+	memset(de,0,PATH_MAX);
 
 	/* Mark rw ntfs as dirty. It will be cleared at umount. */
 	ntfs_set_state(sbi, NTFS_DIRTY_DIRTY);
-- 
2.47.3