From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) (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 EF616446A2 for ; Sat, 15 Jun 2024 15:27:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718465240; cv=none; b=IoTyW4umx408Aj9tPnH6JOnGPsNgt2ABJDtx+gbreLfXUThw7GF1tVt0nu2G9t3jSA0isC2lD+a2JSo2e8n9Zg6Tph7VWpcvLKkKDeRBsZA8FVl1leZdGW3ESfPM9EOxpULJK0a6UBM3lw/OPAdLH0j9BvvBmjDZRmpPrNOB9Lo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718465240; c=relaxed/simple; bh=KLmwnTp5/uLSTrRQsi8bP+Cfvy4rYnzOll7HQ8+mxzw=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=IIDdUKLqKU1WqcVR5WauwWh1ltLOn0ILhHHB4WwzQZMEzl5LMLnh+ZmHEevurbMDK/uv+RROwWzVMufnK89r5yXNw9uVrei+GczJZtvNz6tZOhnJoPXnHjYg/TbVcYNLnZ4+ORVebrlr7vb/sLfhSYHtrAr94uxioJizXXL5IWk= 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=209.85.166.206 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-f206.google.com with SMTP id e9e14a558f8ab-37586a82295so31237815ab.3 for ; Sat, 15 Jun 2024 08:27:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718465238; x=1719070038; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=8+9tTVxFZusiaA47yPp0vC08EjPeT2WvhoYv6sS5kiE=; b=glaOeEcPRiwyZrUEdpvWIgoqnLFL6ijQmD9WWIZhpLK9qLL/F0sv9LezQnIBS71JLQ cX/B1xd5ll1NlnPtNw9YZ8zObggSPIVvaB7ev1A981JQ2P00KYIalPSUcZ0DsNkT52n2 YCIdcI9htLdWuAUW/mUOYzJFDbkHcyD+y+u0Rr9eyrJPbXuSGeK27ZWrsg3QVcCRTd24 sPPhDDJ7dOqXbB2JGaHaJmMjKoMh6g1zkBZfWCJ61thy7ilcZKZUnkIOyzbJ2OvmhDEu VCoNHuv8BCvuweZG+VYhTT+avgXeK6IKojLb7KE1TGPx+ScKBbAL3I1bV1HPB645peNC LaZA== X-Forwarded-Encrypted: i=1; AJvYcCVAmJ7Z3kHUzhXPTUrcaX1djl1KRxEzoblhjw0jU/LEDxlydxoAl11hvQal+mNYOdRdGwxpeCmTPomDw40e8E/3jjjaEcTO X-Gm-Message-State: AOJu0Yy7V104oYAFGoHU8+ChQm0jgNU/79LfiEktUXyp78VkPePM0oUC zPU7HIsrLZrEeedyAkke8VGJvYIzP3mAsoF6cNzg4QohOkubjih4bN1Z/1Pyygjxi0+t51g5Kjg lZ13SmmXT1CmprDFPZlcwxde4T+fUDuhLRSBut+FPbZnaoIdLv3qVwl8= X-Google-Smtp-Source: AGHT+IGJ+voMZpV3ZhKvkkvTOX0i3O+i8IcRA8nGFlcUcLelBIdZhCrzTA1OSHhfAz8nlNsuSTnoXKybfcaTItFRZPnCvplYvFA2 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c29:b0:375:9deb:ceb8 with SMTP id e9e14a558f8ab-375e1014718mr3264365ab.3.1718465238151; Sat, 15 Jun 2024 08:27:18 -0700 (PDT) Date: Sat, 15 Jun 2024 08:27:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000014478e061aef5e1e@google.com> Subject: [syzbot] [net?] [usb?] KMSAN: uninit-value in rtl8150_get_link_ksettings From: syzbot To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, petkan@nucleusys.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 101b7a97143a Merge tag 'acpi-6.10-rc1' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=120871ca980000 kernel config: https://syzkaller.appspot.com/x/.config?x=7ac2f8c387a23814 dashboard link: https://syzkaller.appspot.com/bug?extid=2a7bab173edebd242de7 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/4f673334a91c/disk-101b7a97.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/8e6db59f4091/vmlinux-101b7a97.xz kernel image: https://storage.googleapis.com/syzbot-assets/7e5782387c9d/bzImage-101b7a97.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2a7bab173edebd242de7@syzkaller.appspotmail.com ===================================================== BUG: KMSAN: uninit-value in rtl8150_get_link_ksettings+0x3d0/0x420 drivers/net/usb/rtl8150.c:794 rtl8150_get_link_ksettings+0x3d0/0x420 drivers/net/usb/rtl8150.c:794 __ethtool_get_link_ksettings+0x17d/0x270 net/ethtool/ioctl.c:445 linkinfo_prepare_data+0xe2/0x290 net/ethtool/linkinfo.c:37 ethnl_default_dump_one net/ethtool/netlink.c:460 [inline] ethnl_default_dumpit+0x458/0xd80 net/ethtool/netlink.c:494 genl_dumpit+0x19d/0x290 net/netlink/genetlink.c:1025 netlink_dump+0xa05/0x15b0 net/netlink/af_netlink.c:2269 __netlink_dump_start+0xb3a/0xce0 net/netlink/af_netlink.c:2386 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:1074 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1190 [inline] genl_rcv_msg+0x106d/0x12c0 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2559 genl_rcv+0x40/0x60 net/netlink/genetlink.c:1217 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0xf4c/0x1260 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x10df/0x11f0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:745 ____sys_sendmsg+0x877/0xb60 net/socket.c:2584 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638 __sys_sendmsg+0x225/0x3c0 net/socket.c:2667 __compat_sys_sendmsg net/compat.c:346 [inline] __do_compat_sys_sendmsg net/compat.c:353 [inline] __se_compat_sys_sendmsg net/compat.c:350 [inline] __ia32_compat_sys_sendmsg+0x9d/0xe0 net/compat.c:350 ia32_sys_call+0x209f/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:371 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Local variable bmcr created at: rtl8150_get_link_ksettings+0x52/0x420 __ethtool_get_link_ksettings+0x17d/0x270 net/ethtool/ioctl.c:445 CPU: 1 PID: 18500 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-02339-g101b7a97143a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 ===================================================== --- 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