linux-kernel - Test: [v5.15] INFO: task hung in jfs_commit

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Message-Id: <20250702182421.62557-1-duttaditya18@gmail.com>
Date: Wed,  2 Jul 2025 23:54:21 +0530
From: Aditya Dutt <duttaditya18@...il.com>
To: syzbot+30b3e48dc48dd2ad45b6@...kaller.appspotmail.com
Cc: Aditya Dutt <duttaditya18@...il.com>,
	syzkaller-lts-bugs@...glegroups.com,
	linux-kernel@...r.kernel.org
Subject: Test: [v5.15] INFO: task hung in jfs_commit_inode

#syz test git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-5.15.y

diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 27ca98614b0b..cb57d4f1161f 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -835,6 +835,8 @@ int dtInsert(tid_t tid, struct inode *ip,
 	 * the full page.
 	 */
 	DT_GETSEARCH(ip, btstack->top, bn, mp, p, index);
+	if (p->header.freelist == 0)
+		return -EINVAL;
 
 	/*
 	 *	insert entry for new key