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=-5.4 required=3.0 tests=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 09BDCC76191 for ; Wed, 24 Jul 2019 13:38:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E04C42190F for ; Wed, 24 Jul 2019 13:38:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726862AbfGXNiG (ORCPT ); Wed, 24 Jul 2019 09:38:06 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:37119 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726759AbfGXNiG (ORCPT ); Wed, 24 Jul 2019 09:38:06 -0400 Received: by mail-io1-f71.google.com with SMTP id v3so51117510ios.4 for ; Wed, 24 Jul 2019 06:38:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=YmlYbeeXg8KipqZm+95RyiuSWYiaWNME9/ZKLNADTzI=; b=AnpJwaRExVi4h1pJDald9E5SZa8ycSOVzBUzYSBFmzg/+00HsEVmmLrLE3unOPx9FD 98ppiQAJIkS4bsxHiimYmQ2RVRVhjFTMJUD1y0V4t+4G5ZlEGUTl0WPZZkQ5fQhJi+RF TqGlFtiFqUQ1Iq/lr0YVlKxd6vULSJusanJ6unPRjM8n3+RYHVdDzp1HpZVJQM7iLCvn ye8XVVa7UsTQpdXO/5PAlRhvPheTH61W5dS4kXG7q/jZvYzf6r0p5X3OXhJGYzavrSUz /d3LlQNBq27ikU50bnGvIv5g0GgSuaw3hgL78M2slxksHk8OEFV8baQTM/U49ByKUT4G dxSQ== X-Gm-Message-State: APjAAAUcubkPJXSLk1bwA09BItqANWoRq32VgISU0oBfgDlxE+ACPON5 xZFHWSLsDZTi37Hbqsh0XmmCNXBJnhg+a+hdHMdqnPIOqS1a X-Google-Smtp-Source: APXvYqz2PxYFGpRCTtrjQIXkXtIveQHB4aG4N+6UmgzI6K4L4WM1q80LZoqSsv2AF51hyBZCqSCxZDmCm99YFNaGIo/9e+AxJw1A MIME-Version: 1.0 X-Received: by 2002:a02:c550:: with SMTP id g16mr83081468jaj.49.1563975485145; Wed, 24 Jul 2019 06:38:05 -0700 (PDT) Date: Wed, 24 Jul 2019 06:38:05 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003acc06058e6d6b70@google.com> Subject: general protection fault in __pm_runtime_resume From: syzbot To: andreyknvl@google.com, gregkh@linuxfoundation.org, len.brown@intel.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, pavel@ucw.cz, rjw@rjwysocki.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 6a3599ce usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=15562358600000 kernel config: https://syzkaller.appspot.com/x/.config?x=700ca426ab83faae dashboard link: https://syzkaller.appspot.com/bug?extid=3cbe5cd105d2ad56a1df compiler: gcc (GCC) 9.0.0 20181231 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+3cbe5cd105d2ad56a1df@syzkaller.appspotmail.com kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 0 PID: 3715 Comm: syz-executor.3 Not tainted 5.2.0-rc6+ #15 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__pm_runtime_resume+0x49/0x180 drivers/base/power/runtime.c:1069 Code: ed 74 d5 fe 45 85 ed 0f 85 9a 00 00 00 e8 6f 73 d5 fe 48 8d bd c1 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 fe 00 00 00 RSP: 0018:ffff8881d99d78e0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000020 RCX: ffffc90003f3f000 RDX: 0000000416d8686d RSI: ffffffff82676841 RDI: 00000020b6c3436a RBP: 00000020b6c340a9 R08: ffff8881c6d64800 R09: fffffbfff0e84c25 R10: ffff8881d99d7940 R11: ffffffff87426127 R12: 0000000000000004 R13: 0000000000000000 R14: ffff8881d9b94000 R15: ffffffff897f9048 FS: 00007f047f542700(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f21000 CR3: 00000001ca032000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pm_runtime_get_sync include/linux/pm_runtime.h:226 [inline] usb_autopm_get_interface+0x1b/0x50 drivers/usb/core/driver.c:1707 usbhid_power+0x7c/0xe0 drivers/hid/usbhid/hid-core.c:1234 hid_hw_power include/linux/hid.h:1038 [inline] hidraw_open+0x20d/0x740 drivers/hid/hidraw.c:282 chrdev_open+0x219/0x5c0 fs/char_dev.c:413 do_dentry_open+0x497/0x1040 fs/open.c:778 do_last fs/namei.c:3416 [inline] path_openat+0x1430/0x3ff0 fs/namei.c:3533 do_filp_open+0x1a1/0x280 fs/namei.c:3563 do_sys_open+0x3c0/0x580 fs/open.c:1070 do_syscall_64+0xb7/0x560 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413711 Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f047f5417a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000413711 RDX: 0000000000000000 RSI: 0000000000084002 RDI: 00007f047f541850 RBP: 000000000075bf20 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f047f5426d4 R13: 00000000004c8a7a R14: 00000000004df748 R15: 00000000ffffffff Modules linked in: ---[ end trace a2dcf3f649bfec9a ]--- RIP: 0010:__pm_runtime_resume+0x49/0x180 drivers/base/power/runtime.c:1069 Code: ed 74 d5 fe 45 85 ed 0f 85 9a 00 00 00 e8 6f 73 d5 fe 48 8d bd c1 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 fe 00 00 00 RSP: 0018:ffff8881d99d78e0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000020 RCX: ffffc90003f3f000 RDX: 0000000416d8686d RSI: ffffffff82676841 RDI: 00000020b6c3436a RBP: 00000020b6c340a9 R08: ffff8881c6d64800 R09: fffffbfff0e84c25 R10: ffff8881d99d7940 R11: ffffffff87426127 R12: 0000000000000004 R13: 0000000000000000 R14: ffff8881d9b94000 R15: ffffffff897f9048 FS: 00007f047f542700(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f21000 CR3: 00000001ca032000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.