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From: syzbot <syzbot+6d7771315ecb9233f395@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [syzbot] Re: [syzbot] [fs?] possible deadlock in __simple_recursive_removal
Date: Thu, 03 Jul 2025 02:21:38 -0700	[thread overview]
Message-ID: <68664ba2.a70a0220.2b31f5.0017.GAE@google.com> (raw)
In-Reply-To: <686574b1.a70a0220.2b31f5.0002.GAE@google.com>

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Subject: Re: [syzbot] [fs?] possible deadlock in __simple_recursive_removal
Author: lizhi.xu@windriver.com

#syz test

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 0bd1df2ebb47..e30270e5883a 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -175,7 +175,7 @@ rpc_close_pipes(struct dentry *dentry)
 	int need_release;
 	LIST_HEAD(free_list);
 
-	inode_lock(inode);
+	inode_lock_nested(inode, I_MUTEX_CHILD);
 	spin_lock(&pipe->lock);
 	need_release = pipe->nreaders != 0 || pipe->nwriters != 0;
 	pipe->nreaders = 0;

  parent reply	other threads:[~2025-07-03  9:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-02 18:04 [syzbot] [fs?] possible deadlock in __simple_recursive_removal syzbot
2025-07-02 18:39 ` Al Viro
2025-07-03  2:49 ` [syzbot] " syzbot
2025-07-03  9:21 ` syzbot [this message]
2025-07-03  9:24 ` syzbot

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