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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 C0EA2C282E1 for ; Fri, 19 Apr 2019 23:54:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B23F20859 for ; Fri, 19 Apr 2019 23:54:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727505AbfDSXyK (ORCPT ); Fri, 19 Apr 2019 19:54:10 -0400 Received: from mail-it1-f199.google.com ([209.85.166.199]:53062 "EHLO mail-it1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726126AbfDSXyH (ORCPT ); Fri, 19 Apr 2019 19:54:07 -0400 Received: by mail-it1-f199.google.com with SMTP id 73so6924653itl.2 for ; Fri, 19 Apr 2019 16:54:06 -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:in-reply-to:message-id:subject :from:to; bh=NZd6zkJCiCFjb6F1NCu4UBa1DkIlMkFieM9sbYOP5K8=; b=uPtCmJnFBPsHaPYRmJ9wx1G3R+W/8vK81wAg6uhv8QPXx36oAgIp/BMlwUCQ6xjK1Y zMEu0h5bD1fYZP9l5VhR/WT4ZEtvFYnAPF9OHeGTJyG2F//7bEjDoQL8EkWiHp87iiCR buN73w/ygh7cwKM+4Z4oo3Nc2VESKisFeNWQPz+dS8IpthZrFS6cw5B8AZPLBeuHRm22 C/HIkoTJCMgsejZ9THF8JKcCf/MAGjhRVvsbOLlJ8hjQtqAzm4QutSX9AMRT3sfyhfEO iyOJgh7MazLpaTs5q4R15xDTeFD78rSDesKiq25HLMdDvEk0C4UA2ADtLXufkAsxmNXN eTyA== X-Gm-Message-State: APjAAAVSt5KsQq+gZqeFEPAkeYDXJgwVZJsT1EyOxXWOQs/uhfrtpLw2 jwWUtiQGVEYKmNWVyjFPH92vIc2OIm0ScwEtS+NKyMCA78jd X-Google-Smtp-Source: APXvYqwDPpxNtqxwMfkZkOiHuHhY8JC4XcordDAegWyWpKhHl9QOUb+mdRnHWDb+T7E5G/FDw608cUmA2iP1vqOv6v9Nnuyo6Ymm MIME-Version: 1.0 X-Received: by 2002:a05:6602:2246:: with SMTP id o6mr668715ioo.170.1555718046015; Fri, 19 Apr 2019 16:54:06 -0700 (PDT) Date: Fri, 19 Apr 2019 16:54:06 -0700 In-Reply-To: <00000000000024bbd7058682eda1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000080e9260586ead5b5@google.com> Subject: Re: WARNING: ODEBUG bug in rsi_probe From: syzbot To: amitkarwar@gmail.com, andreyknvl@google.com, davem@davemloft.net, kvalo@codeaurora.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, siva8118@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has found a reproducer for the following crash on: HEAD commit: d34f9519 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan/tree/usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=13431e7b200000 kernel config: https://syzkaller.appspot.com/x/.config?x=c73d1bb5aeaeae20 dashboard link: https://syzkaller.appspot.com/bug?extid=1d1597a5aa3679c65b9f compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12534fdd200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147c9247200000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+1d1597a5aa3679c65b9f@syzkaller.appspotmail.com rsi_91x: rsi_load_firmware: REGOUT read failed rsi_91x: rsi_hal_device_init: Failed to load TA instructions rsi_91x: rsi_probe: Failed in device init ------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: bl_cmd_timeout+0x0/0x50 drivers/net/wireless/rsi/rsi_91x_hal.c:577 WARNING: CPU: 0 PID: 563 at lib/debugobjects.c:325 debug_print_object+0x162/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 563 Comm: kworker/0:2 Not tainted 5.1.0-rc5-319617-gd34f951 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xe8/0x16e lib/dump_stack.c:113 panic+0x29d/0x5f2 kernel/panic.c:214 __warn.cold+0x20/0x48 kernel/panic.c:571 report_bug+0x262/0x2a0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x130/0x1f0 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:debug_print_object+0x162/0x250 lib/debugobjects.c:325 Code: dd c0 a8 b3 8e 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd c0 a8 b3 8e 48 c7 c7 40 9d b3 8e e8 8e c3 d2 fd <0f> 0b 83 05 f9 0f 5a 10 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 RSP: 0018:ffff88809e1ef110 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815b1d22 RDI: ffffed1013c3de14 RBP: 0000000000000001 R08: ffff88809e1cb100 R09: ffffed1015a03edb R10: ffffed1015a03eda R11: ffff8880ad01f6d7 R12: ffffffff917e77c0 R13: ffffffff8161e740 R14: ffffffff96d3ea28 R15: ffff8880a5a75f60 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline] debug_check_no_obj_freed+0x2a3/0x42e lib/debugobjects.c:817 slab_free_hook mm/slub.c:1426 [inline] slab_free_freelist_hook+0xfb/0x140 mm/slub.c:1456 slab_free mm/slub.c:3003 [inline] kfree+0xce/0x280 mm/slub.c:3958 rsi_probe+0xdf3/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:1178 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 ======================================================