From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 2E4224C8F for ; Sun, 21 Apr 2024 04:06:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713672370; cv=none; b=lOWloj00gFmXP+rlV/Jl4g6Eix0cseafpgvkqmPoORtBL1J7RkSs+aQbGxAn2/8p8M+SWzSQ3+2P1b9hYsox4i9Xh9ZZHSi8POGlNyKUlkZGjs1oJQqxPvd6YnEA9zrSbU7hYatRJMxnRFOuKcEGj9/8CA4BuKf40584F9kg6Zc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713672370; c=relaxed/simple; bh=ivnupM3viXPGONEHVF7SgtTpM+1Bg7+RollTeSsoAcc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=S7FY8MKXRl9Tu0XGfszgDHPsHNdPxpeK24OhdjybZyUGGTdSCIQWYRbQcW/rgrTGGzfbIHAgliI3rdrA01RrSqU4Xh4mHZ6NXVQtVi5EZlrNFZMZIwPSCYaVkX3iOHAj2+HJvt6up4vuXN6t1DQT5oi9QJY380RS7sQnSdsNCMs= 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=209.85.166.71 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-io1-f71.google.com with SMTP id ca18e2360f4ac-7d5f08fdba8so437852439f.0 for ; Sat, 20 Apr 2024 21:06:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713672364; x=1714277164; 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=UU7nndG2AnvwqiWCSKJ6rau9gqHABbkSdqnDcP3B6EE=; b=hJlhZJCMXpN7UQwd3zzdQADunsEYzd3cUmjbHTAeH5tkN7fji58V8xntqRqhaFumiy wnpwFOPEMvsP7ExwwjPXOFDb8vYXIBDQqgDExX/78dWKyZAK4Qr7xLk4pPF6qeZH+NZ8 +1vxoU5snijyQQXXlujx6bETJ0eGyN60YNDvmuZr9xdT2yUKaOidqueEx/jEmbqc8VCV A6S5Fqc+tO9A20rAp14gvbniDQQzzRZuLVHwXR4PrlNhNB2WJT2a6Yd2VMLuOi9to22i 5deBtbHs8wtsmbJxY9bCSNBOCGhOH5LqY4bL9/3AgTrDvDyS/YsUg3915ezvHBcjzmm1 CmtQ== X-Forwarded-Encrypted: i=1; AJvYcCXDth1L5SXWvg42Cu7w34+7XBTgnAc9cBSERmCYl/3d8219BH3ruRYuzggd2hr1M0hJKjUtVW7hd0/GAhDsEvkh/5iz2py9 X-Gm-Message-State: AOJu0YycEkoiejptZJtIrbW0I6V1NKLFi0Pzj+45lmG8QllKqRdyN6tE KJn7OhkpaFSQgbw+eZ51ZTVxgtbJKCOi7CYrihCwZiIeZE4yGJWnlr8Pj4lr6B4tUbm0Nbmui8F vjtub5EL11EFWBBNtNFUMD6pUIULtQMT9eNamM0w2nvjKgJ+UP4+cltY= X-Google-Smtp-Source: AGHT+IHrmIgNYp/ns7pE6R2KqnJFtlVnW9sIUOTGXy0FKhzo9u5sqReX0dTErI4ygwlIkJAx+ytQE1wfPGIhgzhnWotOz+ClHbeG Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:4109:b0:485:30d9:5e7b with SMTP id ay9-20020a056638410900b0048530d95e7bmr30128jab.0.1713672364352; Sat, 20 Apr 2024 21:06:04 -0700 (PDT) Date: Sat, 20 Apr 2024 21:06:04 -0700 In-Reply-To: <000000000000c1fa0506166fdcfe@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000089f36106169370d0@google.com> Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Read in unix_del_edges From: syzbot To: axboe@kernel.dk, davem@davemloft.net, edumazet@google.com, hdanton@sina.com, kuba@kernel.org, kuni1840@gmail.com, kuniyu@amazon.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 77e5593aebba823bcbcf2c4b58b07efcd63933b8 Author: Kuniyuki Iwashima Date: Mon Mar 25 20:24:20 2024 +0000 af_unix: Skip GC if no cycle exists. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14bbda4f180000 start commit: 7b4f2bc91c15 Add linux-next specific files for 20240418 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16bbda4f180000 console output: https://syzkaller.appspot.com/x/log.txt?x=12bbda4f180000 kernel config: https://syzkaller.appspot.com/x/.config?x=ae644165a243bf62 dashboard link: https://syzkaller.appspot.com/bug?extid=f3f3eef1d2100200e593 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=155e53af180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=128b1d53180000 Reported-by: syzbot+f3f3eef1d2100200e593@syzkaller.appspotmail.com Fixes: 77e5593aebba ("af_unix: Skip GC if no cycle exists.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection