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 05A7A1D69E for ; Sun, 25 Aug 2024 03:37:04 +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=1724557026; cv=none; b=VHK+2U2ubOm5i+kGyChqoPUdYUKJO29HHsjBQ/N07m3GEK+knjYi0yxK8KXh+lTXu1ZUUBoGwk6MYoBVSiQgZuAcLagz3sUOAUv6LOr9Iuha6b/P5p95AtN8CMBfLmyHKIlrlpmRr9ruciKsQnxSid3iV9QCvJ8QihBjsc+9phs= 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=209.85.166.197 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-39d4c0fc036so38046145ab.2 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=T8do0GExiBVwBdwPCi37e/SSuKMczWfmAznwWedgpT59LDQ7ENExZvTiq58QCcPI3p Ew37nzNEX9HoSeZXKGR3Tc4EsNhCt4J4tFpSRjAEXDgqnz4qjUTlh3BHXiQYK2BuOBRo xEg9FRjjazTyRq8Dbzlrzbw5lMhLmE8dgfzhtW1wju4q3ueYgXZ9E0I+NrTNSPTrohS0 WkZvvj/9SIRUrxvalONSBIHdpbTQyrQASl2jGMaXue9DfXRhZc3K8ZpWkNvAiwmPOSNo AGlU+pOEzggaW5GgtsaeiVTLJ6U9zwIz1ENrC3+wHbGnFpjQ8jo21zJRKaI0p8zDyLi0 M7Nw== X-Forwarded-Encrypted: i=1; AJvYcCUPATYWK2kErHN3uYNGYEqBiyhgWn7eqt4gYZRzGQQyZBD0b3iDG/6jymreguaEF+7dVdqenYEO/SQ1LZ0=@vger.kernel.org X-Gm-Message-State: AOJu0YxQx0LqyM5w5knEcSg3W+tmwJ73z8GfQlfr3G2uN2iI4E9q6fxD iWtQmI5kJRJB3+S+EhSRpXFBdb4xH3G7e/h4vym62dvQzmQxeFxEV1DIApcrk5YKkrmQG3ESBkL vWax/kO/ne20JWwkVvgQz2SJyV6JcL3eC1MzobK3/2GQYCyNeGuNZRm8= X-Google-Smtp-Source: AGHT+IG4h7J5l4jttEEali2eWLWHbj4PjUwD+750YNkmr8ye40PAEwm3+AmjpuzBBHHVSW6sVcYvyyKkJNP/kSyTJnB4YaI/A0Rt 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: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