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 3F1D24A0A for ; Sat, 27 Jul 2024 04:24:03 +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=1722054244; cv=none; b=hq9v0Bf/f3/qqgMq9CTnLwXYq8x7OsnsWMoiRzI08rEVneaJDAEXVZRmhMgw38IlOI0FWfTzuumkFFZ8REX3TVs8d4MC5vA3qZYjMSuFTxjg+WMsBoQyk9TdXDPkrDbM+Q8YVsDxCGs1kyeIYi9WGVvWz8K5NJR+m37cjG+M2Rc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722054244; c=relaxed/simple; bh=7BEkPCzUWsk8dHlmfgIOkCDnYEaTniLFcu9hth9I/BA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=F4cWdUgvo3WgOc4V/CGZuunNBU2/8NvnWN5tAz89h+vPPEBq8KoXgt/6Wi715UEMFzZuUyg3UxwAJXzskjpIiGEvaF97L7Jva+0AH/TlsomyoinTCFRpppTy89P8RvB+KTjHQHFzK9iH9QPGZcZNiVU+iZkoej3nJX1rp899qIA= 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-39ae9bc764bso16212145ab.0 for ; Fri, 26 Jul 2024 21:24:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722054242; x=1722659042; 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=sjiHbD9xpIleZSSJIoPa68ADTlQu90pnfJo0Wp9a1zk=; b=kLWfNYkdZT9D5H3DF343h9dAZ336n7GkQ5WM1/Ir7MIfm2ZhgrM7Wq1mtIL7/SDjGL TuKnd+YRW/ZN7VGIGLTThAId30ag3pxKmAmRCS5pFNZcla0HRmCzP04sG+BKEUr2itcY Y0UewO1VWvK7pbOJewxMVvZAoeXAigIFMDiK5yPaVeYYwqeMBOjSdbqEihimdKsOGDSP 5sZ8c6r3pobn/CtuvvUVvzBUy/qzeALR7+wgMX2M+lflh7jNr8geZf53vphEntUdXTxK zI9uy/he/0c2+07P308t/xlaYFh648XJhP1Q6+GCaxpXAekIyCSFRfY4FR/iAFh3xeI8 ZoUg== X-Forwarded-Encrypted: i=1; AJvYcCUq4RGwK6pdqSQiy/loj6oQFdON4g6tYQcrtkY69vxIuwDihqL9g0tfaFFiH9ByMdXbPTsxp0J/1ZvM/cRRuyNXPtctMroJ7Zzf/GAY X-Gm-Message-State: AOJu0YzMXTmz21c7ZoqgZf+NwG6SJ1q+h9Mw0u+Uop6zwjXBdOib18i3 jbuATFmsbr+TD5wb0aYqLiAtQYy021w38PMnXE20DBahIRdf+rsHCYDcWgrGBTsAZy0kw4UvG9s E86vEyOyEai+Xg9+SkwQet8tvZ1wC8julJYBjTkF4iNFqo7r1hx2Ta3I= X-Google-Smtp-Source: AGHT+IEGi7PWzzbLudVmfOSs5KS/tPFjJCAWBXmtRdeOk4jp9lydYB2qhMSs+gRUAC+5bMxR6LNjzd3Wujsn4DjHfwaqBRROHMGe Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:178d:b0:382:feb2:2117 with SMTP id e9e14a558f8ab-39aec44f968mr881395ab.6.1722054242401; Fri, 26 Jul 2024 21:24:02 -0700 (PDT) Date: Fri, 26 Jul 2024 21:24:02 -0700 In-Reply-To: <000000000000d4e9e20616259cfe@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000067119c061e32ffec@google.com> Subject: Re: [syzbot] [bpf?] [net?] possible deadlock in sock_hash_update_common 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=13e441bd980000 start commit: 71ed6c266348 bpf: Fix order of args in call to bpf_map_kvc.. git tree: bpf-next kernel config: https://syzkaller.appspot.com/x/.config?x=bd214b7accd7fc53 dashboard link: https://syzkaller.appspot.com/bug?extid=0b95946cd0588e2ad0f5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1515d8b2980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=167b60dc980000 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