From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 6DBDEDDD9 for ; Fri, 7 Jun 2024 02:51:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717728664; cv=none; b=teJ+icqJuOudfyOenmeBo6FA+izB+6ug81dtDVQJEFR91A7B+Qa7HUCfxmyW8mHBJmTQaZKjA69Ae0oC24BbGa5W10HVvR6PZcDRToDrQhK0JJazZa5Zu5TBOj1TgJV25H2T5972kzZVpEP1DOERLglUTVXszb8fyEoTmj9p2KI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717728664; c=relaxed/simple; bh=si+N1wuZ74OQmZXqp5VNrMsebBeEF3HgK7mZflWf8Ro=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=tvztczCo+9F+qlmyEYNSIFn2XOYveq0xrdNJTlnSsKBcbaikjl1w2vPhHFnFRazsXUb1kcmhHstKmMLOzvuO2m0ajIW2oZw5gfcJBffGEmsV4RO+yDCt7lRgFf78f4ANZhEmthkpz2y09FZge8s3UOCcmd9iREoGSrvvChDP998= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3748d50473cso14355425ab.1 for ; Thu, 06 Jun 2024 19:51:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717728662; x=1718333462; 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=ZoJDbmOuZCo7DgFMWx4zQY5bK5409kRcjvDvOGHuIw8=; b=mgeOm8346XGgqmTYLNUAnF9kMzf2jlZi7XsNHTcD7HUzRwjjQEM7ToWD4z+ItL47Su 52ZAxohFbfsC9SgxxDJ9XlumAX3MKvwe8E/Jbnvi3bM3qyS2KMl9Pu6lo6X55ZPMW2sO eqNiuaL5sWjmobSRWbn02AV1pfjRwA7YJGBkdLHG5tglH1dLmUNrERQqDNHLOBd6I6XC lIEgdEJVR255dBaE7gsVdQon5kz6jFlhK0xL461DeOEEigvNMm+S/aSG97s1/0gvnEDQ dex2njzgSPJL2zqGAmXezt8zWUy9FBw9fwLSyxz9lFVtCu18LEyFMUXyFiNttCTjRYlq Ff7w== X-Forwarded-Encrypted: i=1; AJvYcCWSeCV9t5g0yOhEgTmquRM0KAQT6ntJqH6sv/ES+JxCuHuOJKN4ZK+pF6Tk+yLZvsp/eDqow6M0stauHF1IeXcjA1PyegL+ X-Gm-Message-State: AOJu0YyJBuymSbdd/8eyFQckJabS0cxL6gq0AGBnSbOxc9/7UYZa36zc vvHY6pYJukrClgwpLKHBn0fW9CiOodtjcfXYN+8hZU81MVxpMOKMKnP5szQXX9z8KvbRyNeYNbc Am90Muq08wQ0H/ujRsC8hq2XylJmyhgXwo7n3VDdfjuyzyZRL/L0EqCQ= X-Google-Smtp-Source: AGHT+IEIUXUjMuT4JzACmagoV0Bo3SJsrvzkbMMX8Ie8P7ZaGp2FbUDMzisZObkuWRNwNUQdRkPEz5ZA6ZM2UMMjTWxNqJzvzG71 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d92:b0:374:9abd:2788 with SMTP id e9e14a558f8ab-37580242e2bmr1025575ab.0.1717728662718; Thu, 06 Jun 2024 19:51:02 -0700 (PDT) Date: Thu, 06 Jun 2024 19:51:02 -0700 In-Reply-To: <00000000000002a89b06146e6ecb@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c31e9f061a43de90@google.com> Subject: Re: [syzbot] [kernel?] possible deadlock in __hrtimer_run_queues (2) From: syzbot To: boqun.feng@gmail.com, daniel@iogearbox.net, hdanton@sina.com, jakub@cloudflare.com, john.fastabend@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, penguin-kernel@i-love.sakura.ne.jp, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, torvalds@linux-foundation.org Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit ff91059932401894e6c86341915615c5eb0eca48 Author: Jakub Sitnicki Date: Tue Apr 2 10:46:21 2024 +0000 bpf, sockmap: Prevent lock inversion deadlock in map delete elem bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1169a80a980000 start commit: 61df575632d6 libbpf: Add new sec_def "sk_skb/verdict" git tree: bpf-next kernel config: https://syzkaller.appspot.com/x/.config?x=6fb1be60a193d440 dashboard link: https://syzkaller.appspot.com/bug?extid=bacb240dbeebb88518ae syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1793a2e6180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16c8dac9180000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: bpf, sockmap: Prevent lock inversion deadlock in map delete elem For information about bisection process see: https://goo.gl/tpsmEJ#bisection