From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+98547b0428b6a6a3467c@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [hfs?] memory leak in __hfs_bnode_create
Date: Fri, 17 Apr 2026 12:52:03 +0800 [thread overview]
Message-ID: <tencent_98E8C6ED26CD98795E6DF02DA16F0897780A@qq.com> (raw)
In-Reply-To: <69e1934c.a70a0220.7229.0011.GAE@google.com>
#syz test
diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c
index f8b5a8ae58ff..05287716afd8 100644
--- a/fs/hfsplus/bnode.c
+++ b/fs/hfsplus/bnode.c
@@ -604,7 +604,10 @@ struct hfs_bnode *hfs_bnode_find(struct hfs_btree *tree, u32 num)
node_error:
set_bit(HFS_BNODE_ERROR, &node->flags);
- clear_bit(HFS_BNODE_NEW, &node->flags);
+ if (test_bit(HFS_BNODE_NEW, &node->flags)) {
+ hfs_bnode_free(node);
+ return ERR_PTR(-EIO);
+ }
wake_up(&node->lock_wq);
hfs_bnode_put(node);
return ERR_PTR(-EIO);
next prev parent reply other threads:[~2026-04-17 4:52 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-17 1:56 syzbot
2026-04-17 3:11 ` Edward Adam Davis
2026-04-17 5:52 ` syzbot
2026-04-17 4:52 ` Edward Adam Davis [this message]
2026-04-17 6:12 ` syzbot
2026-04-17 5:04 ` Edward Adam Davis
2026-04-17 6:23 ` syzbot
2026-04-17 6:05 ` Edward Adam Davis
2026-04-17 6:47 ` syzbot
2026-04-17 6:22 ` Edward Adam Davis
2026-04-17 6:58 ` syzbot
2026-04-17 6:58 ` [PATCH] hfsplus: Supports freeing newly created tree head Edward Adam Davis
2026-04-17 22:03 ` Viacheslav Dubeyko
2026-04-18 9:37 ` Edward Adam Davis
2026-04-22 18:19 ` Viacheslav Dubeyko
2026-04-28 2:37 ` Edward Adam Davis
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