linux-kernel - Forwarded: #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 43e9ad0c55a369ecc84a4788d06a8a6bfa634f1c

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Message-ID: <68fa2f45.a00a0220.9662e.0005.GAE@google.com>
Date: Thu, 23 Oct 2025 06:36:05 -0700
From: syzbot <syzbot+c16daba279a1161acfb0@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Forwarded: #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
 43e9ad0c55a369ecc84a4788d06a8a6bfa634f1c

For archival purposes, forwarding an incoming command email to
linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com.

***

Subject: #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 43e9ad0c55a369ecc84a4788d06a8a6bfa634f1c
Author: dmantipov@...dex.ru

diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index fcc89856ab95..5fad0a56cc98 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -1503,6 +1503,14 @@ int ocfs2_validate_inode_block(struct super_block *sb,
 		goto bail;
 	}
 
+	if ((le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_DATA_FL) &&
+	    le32_to_cpu(di->i_clusters)) {
+		rc = ocfs2_error(sb, "Invalid dinode %llu: %u clusters\n",
+				 (unsigned long long)bh->b_blocknr,
+				 le32_to_cpu(di->i_clusters));
+		goto bail;
+	}
+
 	rc = 0;
 
 bail: