From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 193961DA4E for ; Sun, 25 Aug 2024 03:37:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724557026; cv=none; b=ko6kVeCMFKiQu5cs3SSAmfebkZmhRSm1r1KpzsOZKbrhs3JqULLRITWy2eaHD9R1TJV8u1ezXOJIEdlXC7TW4OVMfLYwuG753V6a/jKtXRQ8hRSyhG876NZdbfzOaWk9aIFrm8CkCEkz/6MXOkg59WZ1M9254fXkGWT8SmLyoCM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724557026; c=relaxed/simple; bh=qs8x+3+P7R5Yu46yXDf1sNvEY3Wimh2kH94I3uOLjq0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=lN9pgBHzmsNbG+ThVnjspAr2YfG0PNxKLb+xK+BZ6zEPU327+rleKdi0KFLtrCD+RPmOhRrEahSp8FmxIFhqCgm3YVW8U6VhtcYCknmfeUbhbb9Owj49NvzIwknzTEKVwBnaCPyf5Lmk0ywJBjKU9mbvjbHQbPMJRvTeAuFUrDE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-39d49576404so34042885ab.3 for ; Sat, 24 Aug 2024 20:37:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724557024; x=1725161824; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=l9Y7prTirX60Zjf7MKnC93bQnU3UQk7j54mGU0BXZMI=; b=MCFrHDCdRzQfYxCNHQQnJsqeYYtF5KOgdKU2EG/meOUXt8TOKQsJPsmCdstZfk4pBl xF/vwQu4zik0XbLgUJpTyJEHJKkSnlqSNLC7/lOTIdP9Q2NZ3uRIOywdarBI5Lg4Xv1c THQYi2ZacuM2WqN+S9zTfK/j6UCmcj3R3nOa1fPhOWNUStdAQ9hrlH7tAQZ+x3XDAhH3 sLQ+O2il+aO1Nv7KE8kU1zZvBp4KAC9Iy+kgC2VyBfNg0PLvmXY3RntGEf/uRuZIp+MS 2ox1Yo3ILtjWl4rNhgYxwxNnoWqOYEXk8FooMUfMCtOPGXF0Xl1DNXffty51GpwEkext 1h3g== X-Forwarded-Encrypted: i=1; AJvYcCUCJDL/9shr8tG865jlvVGboLAXnSK47qwMgYH+T7J5Y1F5cFfYKVdYz03BfMKO3Pjt8xvxUiQ=@vger.kernel.org X-Gm-Message-State: AOJu0YwZdJKNTDsQC5Izy7058Ta9JHmLpizPXziuAiCTKSY7J550fJTg XQKIGg/PvoAWCnUd7+Lg5DW0IHZ48VvSDDhoCW9cjnLb1KAF6ELUNyIQwkc8W0h+YfZOHgV6tbf Lh+lO/rY4+YfuGmqRgGR1eDyWbVZKCdgC9oNILx+N362fBarg+08mV4k= X-Google-Smtp-Source: AGHT+IG4h7J5l4jttEEali2eWLWHbj4PjUwD+750YNkmr8ye40PAEwm3+AmjpuzBBHHVSW6sVcYvyyKkJNP/kSyTJnB4YaI/A0Rt Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:ca4b:0:b0:397:2946:c83c with SMTP id e9e14a558f8ab-39e3c9f5955mr6047325ab.4.1724557024186; Sat, 24 Aug 2024 20:37:04 -0700 (PDT) Date: Sat, 24 Aug 2024 20:37:04 -0700 In-Reply-To: <00000000000039e8e1061bc7f16f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d26462062079b885@google.com> Subject: Re: [syzbot] [net?] possible deadlock in do_ip_setsockopt (4) From: syzbot To: alibuda@linux.alibaba.com, davem@davemloft.net, dsahern@kernel.org, dust.li@linux.alibaba.com, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, schnelle@linux.ibm.com, syzkaller-bugs@googlegroups.com, wenjia@linux.ibm.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit d25a92ccae6bed02327b63d138e12e7806830f78 Author: D. Wythe Date: Thu Jun 13 18:00:30 2024 +0000 net/smc: Introduce IPPROTO_SMC bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15e95825980000 start commit: d2bafcf224f3 Merge tag 'cgroup-for-6.11-rc4-fixes' of git:.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=17e95825980000 console output: https://syzkaller.appspot.com/x/log.txt?x=13e95825980000 kernel config: https://syzkaller.appspot.com/x/.config?x=4fc2afd52fd008bb dashboard link: https://syzkaller.appspot.com/bug?extid=e4c27043b9315839452d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10e70233980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a44815980000 Reported-by: syzbot+e4c27043b9315839452d@syzkaller.appspotmail.com Fixes: d25a92ccae6b ("net/smc: Introduce IPPROTO_SMC") For information about bisection process see: https://goo.gl/tpsmEJ#bisection