From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 4E8991422D8 for ; Tue, 7 Jan 2025 14:37:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736260628; cv=none; b=tmS6Im7ehnR0Ex/OChgI1/KpRLKQYZGKOoQI5fI3deWamj/X1NXXjHVhN9WfedUAV9hKqAGUG0kMr+VuNXK4NBJLJUeqSirDbuSrPAn3u3VXjZfM4JIxbF5IgznkwpZi6ygp6XMtmcuTQqAH+FXH2a7q2rnO0N05a4hVE+CR140= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736260628; c=relaxed/simple; bh=/qNG/k/P+YF//AxCGiJp6BsKDYLJ+unhV40W6k25+Bc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=kuTCNK6l9FjrwQ6e0fKdxgG/WRc7qo5DA+THa8gh0rYvv9sg00JCyijneHe7B3wP23FOntujrzepj80UG03IYMk1mckwFRNiAjD8NgDiGUtYleqsaYKtkW904ldQXcJtXtjoHseNWEe7ec3fzkFn6LsLvRtztOXBwp7kSyffp/0= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3ac005db65eso154953695ab.3 for ; Tue, 07 Jan 2025 06:37:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736260624; x=1736865424; 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=2116iHIqWDm9ZK538GLsLvScZAkDxZ1YqfIZyR/Bnkw=; b=EJAJONM9dnLL9xYynFmIdI62MGO03kwvWyl2V0VlVswyTjRfFKIqawiNjyW2HHL3+Q FYN1x/bneJ+ZShIB8AooykWqmxe84MeU77tuR3Pk8ewCCAQ+75Wi+0H1ZBObGnLvkM5d oDLLvUwJ7IwSq5JGp6Vk1aPTDt9pExGen2yQUcINQrsW8m8KhyFU0+BrgxtPYc6OzZoY FI7pZn0X+Lwd1PzlUl736FgX+eoTDg9oUUKHJhK7bz+Fg5vu3M3xtHATaVsD+OCrxjdH Uvj3apdTFuivudXyXOBF1br6GBc5BKQX0e9aBBqBDQYYfuY9r5jy6ufQSRcoisqpuoxE vcXg== X-Forwarded-Encrypted: i=1; AJvYcCWtLbA7saXNR0/f/+rNzwiGtwSZ3hdsrH7eyARBU/QkE8vS8/8hhMJfwQrJg/bYVMYaics=@vger.kernel.org X-Gm-Message-State: AOJu0Yyl5kq5RHyPW/p7qqYAiMv5oUXJmvQSnQgQ2GObeIpQeUJgZoY7 SBC6XoRmn5IyQlWMKXIMf+tteAblf3LM7TmLGVOE+iWHa1ZwMgEEXJsnWssmj+AYy5TDC6fPVJq MMOHjBFkmTIefn/5bOkMFZRFboc4ORNj82TvrqtSvH7Isy59YWB3ClNI= X-Google-Smtp-Source: AGHT+IE+T8leRFXrDAubhP4Al1QTTauq/hCkIwlmLfTxe5g426XrCTe2f/QUsHT7xTDyIPIs4m5IsmvLCumOQ8biSkRtXKNIFGmB Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aaa:b0:3a7:86ab:be6d with SMTP id e9e14a558f8ab-3c2d51516c2mr476505005ab.16.1736260624535; Tue, 07 Jan 2025 06:37:04 -0800 (PST) Date: Tue, 07 Jan 2025 06:37:04 -0800 In-Reply-To: <00000000000086d9cb061828a317@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <677d3c10.050a0220.a40f5.001f.GAE@google.com> Subject: Re: [syzbot] [net?] INFO: rcu detected stall in handle_softirqs From: syzbot To: andrii@kernel.org, ast@kernel.org, bigeasy@linutronix.de, bpf@vger.kernel.org, bristot@kernel.org, daniel@iogearbox.net, davem@davemloft.net, eddyz87@gmail.com, edumazet@google.com, haoluo@google.com, hawk@kernel.org, hdanton@sina.com, john.fastabend@gmail.com, jolsa@kernel.org, juri.lelli@redhat.com, kerneljasonxing@gmail.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, martin.lau@linux.dev, netdev@vger.kernel.org, pabeni@redhat.com, peterz@infradead.org, sdf@google.com, song@kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vineeth@bitbyteword.org, yhs@fb.com, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d Author: Peter Zijlstra Date: Mon May 27 12:06:55 2024 +0000 sched/rt: Remove default bandwidth control bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17b2f6f8580000 start commit: ee5b455b0ada Merge tag 'slab-for-6.9-rc7-fixes' of git://g.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=7144b4fe7fbf5900 dashboard link: https://syzkaller.appspot.com/bug?extid=afcbef13b9fa6ae41f9a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12618698980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=105fcb4b180000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: sched/rt: Remove default bandwidth control For information about bisection process see: https://goo.gl/tpsmEJ#bisection