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 A1DDE78C7E for ; Thu, 18 Jul 2024 09:25:03 +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=1721294705; cv=none; b=J9JhnzkMkaI3DDL06VdbpTnJxeHycnGcVJ8Z4ZgNZEfTSBoF0ZDWkudYgYlrteQIx8P1ubMApT8Az/K+vqdQVvlCzeGGxgRjh00Z7MDyR2Eu4I617YXQhVsV4VYj6r1zRgwLrHXjmYlMtw8UMF4AASA2+QvKjfF2hUpX4Qsl+6A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721294705; c=relaxed/simple; bh=EAUinRQviMvDujUv3R7ipwJOCnMA9iLRBAFx+AvKvtg=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=NKIF0GpxepEW111tI8VHp/2bSovxQWMZQpF56rwgBxVAA3VfBLWoxtURWWlkWeTEHDbW8ykneRfiOWa1Vfaq5k+dZ5jZHeLdKv7ldAG/Ctkh915mM7c/271I25qhS+rUsamXz5q3W0CpnjBIzjKrsjaqXM2Q6aYT68NwfXLAxJw= 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-396c41de481so7318675ab.3 for ; Thu, 18 Jul 2024 02:25:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721294703; x=1721899503; 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=5rGyXWRLrvwl7ym9gYBnNhfugsOfnDeqOLsViPL9q/g=; b=EX17dvuQXheFpNj0Xgwvzk2bnjOzh87Ob1/pBEp4uNN69n+7pckeqiTLrY2hFfwug5 MR3e1B3Ii1JmQSfpUefaW1a/T+O/Uq++WC7S/r3j/lSH8j29+0uXHbq5PkHadtO8kqI4 7Qofd91pZgyMjhJRaOuAikIK6r5Qul/HA0i41LffC7yuALpbj8unIfIxuYeO68zahQgK 2LCI2/Fz/CVVxAbBqhyaCTEWdwaAvka4eFbqU5Uz5pVLjXj39oI+ZsUfJ4Dgd03i05vR bnPUpvnx29JQoAz8hlv8NQsyLvGD7m8VDcijkTVlrWueTlV+mVgvvnw/Oh7F2nh/YRr/ orvw== X-Forwarded-Encrypted: i=1; AJvYcCUpEV4ySKymNwd/8d62AmAHiweTqL87PXT2hVp4USO3N/yuvFyNeYPsStTKIROOd01jMU1O3ws3I3xm7oTvQBHr9hPb X-Gm-Message-State: AOJu0YywK2i9aH888n6k2yk47OqkyYWD7M90c9r1/p9KZTtUDmXj6iIB ipvm5fB/DApu24sadrUXjA3iTKylSzth1fwYSubBiNOqnb1NNj5l3P8g/0sw83awBfH9ZPvpr2s b7UH7YBNdoP2vhJ7vHRQ/rcd8AxtaSpsdszxVSuo7NkkoPymPXQxeUT4= X-Google-Smtp-Source: AGHT+IGz25YUIa6vXqL1eZi/FObkUR9B/7QK8k4uQaFLAqvDLyFpspVztyFv/qtJeUG6Z3FXvnmr+ma8VvHFLQjQ3qYbN6/6uMgQ Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a46:b0:374:9a34:a0a with SMTP id e9e14a558f8ab-395594e4481mr3546915ab.6.1721294702813; Thu, 18 Jul 2024 02:25:02 -0700 (PDT) Date: Thu, 18 Jul 2024 02:25:02 -0700 In-Reply-To: <000000000000233ab00613f17f99@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000050b78b061d822720@google.com> Subject: Re: [syzbot] [bpf?] [net?] possible deadlock in sock_map_delete_elem From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, jakub@cloudflare.com, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 98e948fb60d41447fd8d2d0c3b8637fc6b6dc26d Author: Jakub Sitnicki Date: Mon May 27 11:20:07 2024 +0000 bpf: Allow delete from sockmap/sockhash only if update is allowed bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15df62b5980000 start commit: 4c639b6a7b9d selftests: net: move amt to socat for better .. git tree: net kernel config: https://syzkaller.appspot.com/x/.config?x=6d14c12b661fb43 dashboard link: https://syzkaller.appspot.com/bug?extid=4ac2fe2b496abca8fa4b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=153e3f70980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=174ac5d4980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: bpf: Allow delete from sockmap/sockhash only if update is allowed For information about bisection process see: https://goo.gl/tpsmEJ#bisection