From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4085C4361B for ; Mon, 14 Dec 2020 04:31:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71E9B20771 for ; Mon, 14 Dec 2020 04:31:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438598AbgLNEaw (ORCPT ); Sun, 13 Dec 2020 23:30:52 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:37121 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727309AbgLNEav (ORCPT ); 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Sun, 13 Dec 2020 20:30:10 -0800 (PST) Date: Sun, 13 Dec 2020 20:30:10 -0800 In-Reply-To: <0000000000007f73da05b64bfe7c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000fbe5aa05b6651891@google.com> Subject: Re: WARNING in yurex_write/usb_submit_urb From: syzbot To: andreyknvl@google.com, gregkh@linuxfoundation.org, gustavoars@kernel.org, hdanton@sina.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com, vulab@iscas.ac.cn Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org syzbot has found a reproducer for the following issue on: HEAD commit: 6bff9bb8 Merge tag 'scsi-fixes' of git://git.kernel.org/pu.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10937c5b500000 kernel config: https://syzkaller.appspot.com/x/.config?x=3416bb960d5c705d dashboard link: https://syzkaller.appspot.com/bug?extid=e87ebe0f7913f71f2ea5 compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1583cf17500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11825413500000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e87ebe0f7913f71f2ea5@syzkaller.appspotmail.com ------------[ cut here ]------------ URB 0000000091a49304 submitted while active WARNING: CPU: 0 PID: 8533 at drivers/usb/core/urb.c:378 usb_submit_urb+0x1228/0x14e0 drivers/usb/core/urb.c:378 Modules linked in: CPU: 0 PID: 8533 Comm: syz-executor014 Not tainted 5.10.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:usb_submit_urb+0x1228/0x14e0 drivers/usb/core/urb.c:378 Code: 89 de e8 eb c8 3b fc 84 db 0f 85 da f4 ff ff e8 ce d0 3b fc 4c 89 fe 48 c7 c7 40 58 e1 89 c6 05 62 6d a4 07 01 e8 74 4f 78 03 <0f> 0b e9 b8 f4 ff ff c7 44 24 14 01 00 00 00 e9 6f f5 ff ff 41 bd RSP: 0018:ffffc9000187fcb8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888015e73480 RSI: ffffffff8158c835 RDI: fffff5200030ff89 RBP: 1ffff9200030ffa9 R08: 0000000000000001 R09: ffff8880b9e30627 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888017a40c00 R13: 00000000fffffff0 R14: ffff888017a40ce8 R15: ffff888011521a00 FS: 00000000025f8880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe0726b3000 CR3: 000000001c29c000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: yurex_write+0x3f4/0x840 drivers/usb/misc/yurex.c:493 vfs_write+0x28e/0xa30 fs/read_write.c:603 ksys_write+0x12d/0x250 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x445809 Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 6b cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe3d547598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445809 RDX: 0000000000000001 RSI: 0000000020000740 RDI: 0000000000000004 RBP: 000000000000edca R08: 000000000000000f R09: 00000000004002e0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402900 R13: 0000000000402990 R14: 0000000000000000 R15: 0000000000000000