From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 8E892139F for ; Sat, 25 May 2024 02:56:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716605784; cv=none; b=NF2/DGaYCqtTuAkZHVsrm9rOLcTcMukneWDZgvXe35L/VKkEFNgjOFdlehzRmwEUUYofMFooeNQxO5ZQVs0djeDeoRU9iEPs1YxbMw6Ao/JdQNZpKlo4jwUhEwgqMwHWV4GJlPeHHxpmqWV8ZJoUirtKHkzAoomsPjHgT/CyoeQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716605784; c=relaxed/simple; bh=Ks3KmzwMbRsannbXAsBY5Mpb/8YYOiPHCfk/qKRpZZ8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=QoZNzchh01FU20bFHhbWJfOEv985dt0t+LJgfx4HxOEJ+tIlgX9SiJNWWY7hRF3dOqkunlwib2C7wuBy+9Bj+xc95Dhjzq8nRN1L7FtdRv05MAK68lXNhiqyBwCYRq3+LhbH/ZocJArrDdnYs+/BcARLL1yzs+bfcYpBrVRE+KA= 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=209.85.166.207 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-f207.google.com with SMTP id e9e14a558f8ab-3705289d46fso37992165ab.1 for ; Fri, 24 May 2024 19:56:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716605783; x=1717210583; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=ExZtektDIQPH03325dsSn5zzOZ7zTFNhg8HxEcmp2pY=; b=nmaVwtB/Qz9uEIzBkehkgJhFHX9BcB3SJsdorT9c0MBFpD6Z9BPoMeVKmAR76QER43 e/QCP3GEKHt5196HDrJ/ubobYOY1mVrOxXhS1LPcPwADHLkpkYNiBgNACIEsDdpwEdPX m4DWkXrHDwrcBP7T6DrXieNnXBfw54k0zwLZh8w7S6lXzkLL0Qnx6N28o6Gk5G2kgNRH UkrqhQc5urYnTlbL9YB1n+yJJDkqHTgzLrA6IWtK7Bz8SauKKmIz1mXE/6e6Zsv/FGoC E/Xh3i2xwZ59BHVtVkY7vOazpUrJnU8Lilg4Cf9IQsz3YsJaJxBFC5pO1osJy3gxYSCh 8lzQ== X-Forwarded-Encrypted: i=1; AJvYcCXDMkWUA/gtebUe3NoFRKBmXIu3dLNR4/iAQWfU6j5jezhKivH7haqHVEUk3PIK0FaZ7bM1DmS0aws9ZXb+Wyg9f50fS865+zXmdK+e X-Gm-Message-State: AOJu0YwgBv5UHrUfekSlwpTi3f3wvvt5eTrRUlmUjneWpD5RrZmupW92 pyu7VP/0ncd8nPupNp/6VcrtLdziDGlzEq/SvZtjpurvshsHyESnA9s42lW3Im9LVD6p7OnfNnn +Z6vDf8TmbLPKnKnZaPMuH+8nnp6HvCQRY0k+i8BkY1nbCb7Z6oTifIo= X-Google-Smtp-Source: AGHT+IHSvRTiPokUE/70fZDTdslc+f038Gctibu7OR86v/OeWMvaJzlipA+ZcFINQ4y9b22ZNVZQjCUPPTqhv8pdYQnNEkbykyQr Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c743:0:b0:373:874e:93be with SMTP id e9e14a558f8ab-373874e977emr865105ab.3.1716605782818; Fri, 24 May 2024 19:56:22 -0700 (PDT) Date: Fri, 24 May 2024 19:56:22 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e7924806193e6dcc@google.com> Subject: [syzbot] [net?] [virt?] upstream boot error: KMSAN: uninit-value in corrupted From: syzbot To: davem@davemloft.net, edumazet@google.com, jasowang@redhat.com, kuba@kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, virtualization@lists.linux.dev, xuanzhuo@linux.alibaba.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 8f6a15f095a6 Merge tag 'cocci-for-6.10' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=119aa5cc980000 kernel config: https://syzkaller.appspot.com/x/.config?x=d66c5ffb962c9d5b dashboard link: https://syzkaller.appspot.com/bug?extid=f8f2e9a62c70487ab828 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0a053ab9d75b/disk-8f6a15f0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a1cac58c3541/vmlinux-8f6a15f0.xz kernel image: https://storage.googleapis.com/syzbot-assets/180b83fc69a9/bzImage-8f6a15f0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f8f2e9a62c70487ab828@syzkaller.appspotmail.com Starting dhcpcd... dhcpcd-9.4.1 starting dev: loaded udev DUID 00:04:19:0b:4d:1d:24:6b:9f:8b:bf:f7:85:18:31:02:d0:f0 forked to background, child pid 4697 Starting sshd: [ 113.935289][ C0] BUG: KMSAN: uninit-value in receive_mergeable drivers/net/virtio_net.c:1839 [inline] Starting sshd: [ 113.935289][ C0] BUG: KMSAN: uninit-value in receive_buf+0x25e3/0x5fd0 drivers/net/virtio_net.c:1955 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup