From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 512316F2FE for ; Sun, 27 Oct 2024 12:00:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730030406; cv=none; b=YEzWIN0KmVnC34+NvRR5g0LVH5BpHi+kiRLAU3lUyQzZ40OHk87LKSECjq9FcBDEOOIAXt/IGu6S3pLgBG1e/n7IHMlHWiVe848LUgQiGHnfx0xCl3hVWinpYL60Ts1YHjpL6I/F39r7PmIDFBg2ZjlmQ8g0D0+bnocvyRhuVfg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730030406; c=relaxed/simple; bh=XO1lGRkxLeB+9+Bplf2WMXDq+XPLUt8XczjTuzuUnQ8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=CMbR8xHeAOyRHKJK4kTMx4VJ1z/8SRK4zZ6R0JNoYe3fHBIdKyNAlimdp49wIO3vSuUBcrcm2mltSPfQoCtlzilrQgFct8lQgZnsweKkr1k6t6qecXh6TzAR8U4HLD+9TPPRS0UlLc2/XWuwcOibrkQzxUp2cjmFxc761QlQL30= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-3a4e41e2732so21498445ab.2 for ; Sun, 27 Oct 2024 05:00:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730030403; x=1730635203; 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=no1ZFOGLUySkY+ghDrsyWwT3pLKnG1CnPDNFguvuHe0=; b=Dvi9qLioPhRbknGgIFlcDWlqbYrDxZZjFAWFkz2AQtbmgGDgGKV4u+lMdZ6pNDhT11 ZewfTAnYnzBnChWOEamIthy3IsK0WSfNf+wx9l+DhVos1cojjn6Id3RL+26YEv49e2a3 dQPCpXo7MKjeP4HoXd6neb9+iSEBwqJl4Glao//lyPSGly9cFRsQFYZmL01dJR/Cx4ho 492c/VpfgDHu4+k3PidK0BN6jqPXiW8UwLH0oiAqcbB+vmhWkOdIXc403gr1KyWNTGkT 21C0frA+T56rAipCN/sLIhXDGguOZQl4b8kGHVAPipsxTtmXs5mKmUcMJ9ZQtreCKWAL bfvA== X-Forwarded-Encrypted: i=1; AJvYcCXHM8A2qMDJQQRV98yre+M6AAVOS+WEeIo7gykPFKAE6ep0EIW+aNDeY0nvzFLBC41p9kqT07dx9F8AicA=@vger.kernel.org X-Gm-Message-State: AOJu0Yx6lDlisVb7fTUqKYZmhdbaoap08RtawkIcjtdurTEiSdbUx2kt x7IRGY1VaTOUukS/qLMGyGntEaapB087Fk3ZiICBYruqoi9CrPVwXdtEWeHSLE7VugfNVaxoA/q zflyg2KqiP2mOhkqRnsDHB4OhJk6j/iJiRyN1FbheRbRdp0v2RkETEUA= X-Google-Smtp-Source: AGHT+IHN18d5nvGLfk1zOtpizfizKtdkWBBv3m/+dQNMHigd0YvrEMcYJQnZmE4RBIDiNkwypEIJqmOf467eaXwhojoR4OTkPxAl Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:ca08:0:b0:3a0:4e2b:9ab9 with SMTP id e9e14a558f8ab-3a4ed26642amr35233065ab.5.1730030403309; Sun, 27 Oct 2024 05:00:03 -0700 (PDT) Date: Sun, 27 Oct 2024 05:00:03 -0700 In-Reply-To: <66fdd08c.050a0220.40bef.0026.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <671e2b43.050a0220.2b8c0f.01d5.GAE@google.com> Subject: Re: [syzbot] [net?] INFO: task hung in genl_rcv_msg (4) From: syzbot To: bigeasy@linutronix.de, davem@davemloft.net, edumazet@google.com, kerneljasonxing@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit d15121be7485655129101f3960ae6add40204463 Author: Paolo Abeni Date: Mon May 8 06:17:44 2023 +0000 Revert "softirq: Let ksoftirqd do its job" bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1492cca7980000 start commit: c2ee9f594da8 KVM: selftests: Fix build on on non-x86 archi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1292cca7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=fd919c0fc1af4272 dashboard link: https://syzkaller.appspot.com/bug?extid=85d0bec020d805014a3a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12d40230580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d40230580000 Reported-by: syzbot+85d0bec020d805014a3a@syzkaller.appspotmail.com Fixes: d15121be7485 ("Revert "softirq: Let ksoftirqd do its job"") For information about bisection process see: https://goo.gl/tpsmEJ#bisection