MIME-Version: 1.0
Date:   Thu, 13 Jan 2022 18:09:07 -0800
In-Reply-To: <998e645c-b300-9e58-eb02-3005667dcfe2@gmail.com>
Message-ID: <000000000000b355a205d58149fd@google.com>
Subject: Re: [syzbot] WARNING in signalfd_cleanup
From:   syzbot <syzbot+5426c7ed6868c705ca14@syzkaller.appspotmail.com>
To:     asml.silence@gmail.com, axboe@kernel.dk, changbin.du@intel.com,
        daniel@iogearbox.net, davem@davemloft.net, ebiggers@kernel.org,
        edumazet@google.com, hkallweit1@gmail.com,
        io-uring@vger.kernel.org, kuba@kernel.org,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com,
        viro@zeniv.linux.org.uk, yajun.deng@linux.dev
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Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+5426c7ed6868c705ca14@syzkaller.appspotmail.com

Tested on:

commit:         59fb37ef io_uring: pollfree
git tree:       https://github.com/isilence/linux.git pollfree_test1
kernel config:  https://syzkaller.appspot.com/x/.config?x=d2aaa2946b030309
dashboard link: https://syzkaller.appspot.com/bug?extid=5426c7ed6868c705ca14
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: testing is done by a robot and is best-effort only.