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 D41681CA8E for ; Tue, 6 Feb 2024 23:24:05 +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=1707261847; cv=none; b=utPH38L5Nq6rlVFO2ksJs+KSboQlAyHRjM9QBlecWj92wDMrcJBQBurd0u7GkuvGQHkimWsiNKb7/kdJMOE3FkokOvVPVV11Ww3Wmr246g1JALcSsCu2tt29fiDYp/p3m8clfhd3yn+stcC8FVqsxpd7Q9ZWNpZIgW3mYxqRbfs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707261847; c=relaxed/simple; bh=avaOUcgWWADF6KLGwzoW9QsC+X9ueBhEDEJuX1SutnY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=YEdDfY44y7Q4IyTQZEGgDPwi1A96EXkWDYb6ms0Ho7mjZqZecQbDh9EXygjWXwVYXQ/v0qE7zz5EyAXis7LgvbPh4zoF8Un05FwKeK0F/Ef5ebJ1r9viQykQynjZOIXeDYpoHeOa6402hI42sk8EmJc475V1HUjPBeq+jYgD6qY= 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-363c3eb46e3so82915ab.3 for ; Tue, 06 Feb 2024 15:24:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707261845; x=1707866645; 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=dyU9aBXxURAl9A5KuV1JqmHm0E55rA4SNAlAUuaADxs=; b=mIdrz7BX29SXL3W0tab7A5Q8MWrZAkd6CsFiddWtO49oehqtel40GzuoeF1D0FzOhh xg6L06atmyyIwR/SHZ2ikVBkjux3jGHBZxyOhp4DXmqdcaX7+P93S8l1IJPTGCA4KGmd SOXeu61FI3vM0ifQMgesQqn4mY49JG/MbAtcJ04ATPSpj92YyxVV4wdSU2tv43FTRAU3 bVmi8noeq/YN2q+PO5OZg6nVmMNN2iSedaC0hyX6a14ZvsC1Ru0z5EpQDQ4NxWiQ32wX FDoXU0fVqFJ1/vH37v+fJlwtdivcBI+MMDBGJek/7vEn5x6DdWKH0xFgwTnsg4eXfDB8 DQyg== X-Forwarded-Encrypted: i=1; AJvYcCXROK1t2WIeNU7M2pkhMuOG5mhpnTjQ8oTLCqK7yuGyuyK8JPwVxN6DXuUjr4ptUOqZ0HuO5jY7Cc9Am1YHCfb+NwJE2RqB X-Gm-Message-State: AOJu0YzgxvFHSwT2exZYcEcmHrgcxtIRBhyUDtZ48yOudDWa0bXMhgd9 02k6xbbOc4qn1KPlYfuP3+W+s8HdZD7nrQ1r/9ed7i+gEIcF3F+3uLZkiiFbK87xLxvfvHzmtWI +6NhMOsXzRznYqR1Jqbh7siA8pKtWWvVAvaVebWQu5eCzJdpco1qcrkI= X-Google-Smtp-Source: AGHT+IGSXSHoJP49btDMUUbQR8POUN20RhhYPv9Heu/t1qcOYXiDcq7JQgRofse+fmN8ylccOMewqdmAQJFGKKPWHm8kVCz6GLrK Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d9e:b0:363:ca65:7d12 with SMTP id h30-20020a056e021d9e00b00363ca657d12mr207768ila.6.1707261845064; Tue, 06 Feb 2024 15:24:05 -0800 (PST) Date: Tue, 06 Feb 2024 15:24:05 -0800 In-Reply-To: <0000000000009655270610aafce1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d053f20610bedf3b@google.com> Subject: Re: [syzbot] [netfilter?] WARNING: suspicious RCU usage in hash_netportnet6_destroy From: syzbot To: 00107082@163.com, coreteam@netfilter.org, davem@davemloft.net, edumazet@google.com, fw@strlen.de, justinstitt@google.com, kadlec@netfilter.org, kuba@kernel.org, kuniyu@amazon.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pabeni@redhat.com, pablo@netfilter.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 97f7cf1cd80eeed3b7c808b7c12463295c751001 Author: Jozsef Kadlecsik Date: Mon Jan 29 09:57:01 2024 +0000 netfilter: ipset: fix performance regression in swap operation bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15790a38180000 start commit: 021533194476 Kconfig: Disable -Wstringop-overflow for GCC .. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=17790a38180000 console output: https://syzkaller.appspot.com/x/log.txt?x=13790a38180000 kernel config: https://syzkaller.appspot.com/x/.config?x=f204e0b6490f4419 dashboard link: https://syzkaller.appspot.com/bug?extid=bcd44ebc3cd2db18f26c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16329057e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15b8fe7be80000 Reported-by: syzbot+bcd44ebc3cd2db18f26c@syzkaller.appspotmail.com Fixes: 97f7cf1cd80e ("netfilter: ipset: fix performance regression in swap operation") For information about bisection process see: https://goo.gl/tpsmEJ#bisection