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 2DFF9C12002 for ; Fri, 16 Jul 2021 08:20:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E6D261279 for ; Fri, 16 Jul 2021 08:20:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237499AbhGPIXa (ORCPT ); Fri, 16 Jul 2021 04:23:30 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:55226 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236794AbhGPIXS (ORCPT ); Fri, 16 Jul 2021 04:23:18 -0400 Received: by mail-il1-f200.google.com with SMTP id t12-20020a92c0cc0000b0290210d3ffca31so4875984ilf.21 for ; Fri, 16 Jul 2021 01:20:23 -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=NoP47C11oy09T6AEoTMg2yOrzw17CGIlWMAOu4IRbG4=; b=azutiBjCz7Gq9qa1rPUVNsDDHaVkaI7BnKa2gIMn57iFCuuVyTdg0ZRrK8v5G/iexB PUcMhGJOMQk4InQnlP8hKMrxwmNspePP0CZSNEAFgDUT3le4+PlBeV88OiBA25JNJAxM on+QlLqPp64o3W9I68Kt0MAPKF2XpgImDprtVBg7ZrbfhNuWsqBaM59qt/qD46gph3kO +oR6CFZsxEx9Sg2jMGq4909ahaFB9/+IO9wo4KUKKO430VA8yzzZsomHW6wqq9S2QeR2 YCDMN3bkrp0XwTr0+HZG4HRhuXxZ/d5y1K5tj0jzKTJz2m6WRbl7sJo9VdyfAy+DMbq4 H46A== X-Gm-Message-State: AOAM531Y5b62RxkaKfiJcKkr5GKpubrlOfBOXSHFMko0wyzai9w4NyAN okggJYSl2V06SXCma/Vd/T563bvzvPZc+NBEIlgBs/hcTSCA X-Google-Smtp-Source: ABdhPJx6T5K8+FPUkB7w7RXnTjCNqXnbl6YHlJo1fMuaQ0+R31OuwCAZvUQDd6/L/XETf64RMbsvaAwU9L0sIVdV9wbzjPSsa9R9 MIME-Version: 1.0 X-Received: by 2002:a05:6638:348c:: with SMTP id t12mr7918776jal.1.1626423623704; Fri, 16 Jul 2021 01:20:23 -0700 (PDT) Date: Fri, 16 Jul 2021 01:20:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005866b005c7394288@google.com> Subject: [syzbot] BUG: unable to handle kernel paging request in ath9k_htc_rxep From: syzbot To: ath9k-devel@qca.qualcomm.com, davem@davemloft.net, kuba@kernel.org, kvalo@codeaurora.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 97db1b081e12 dt-bindings: usb: dwc3: Update dwc3 TX fifo p.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=156217d2300000 kernel config: https://syzkaller.appspot.com/x/.config?x=db8b503c237253ee dashboard link: https://syzkaller.appspot.com/bug?extid=dc6c749aec286992cea2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+dc6c749aec286992cea2@syzkaller.appspotmail.com BUG: unable to handle page fault for address: ffffffffffffffc8 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7426067 P4D 7426067 PUD 7428067 PMD 0 Oops: 0000 [#1] SMP KASAN CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ath9k_htc_rxep+0xb5/0x210 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135 Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64 RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc90005909000 RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000007928 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f25 R11: 0000000000000000 R12: ffff88813c17b678 R13: ffff88813c17b240 R14: ffff88813c17b688 R15: ffff88814afef9a8 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 000000013ac0e000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ath9k_htc_rx_msg+0x2e4/0xb70 drivers/net/wireless/ath/ath9k/htc_hst.c:461 ath9k_hif_usb_reg_in_cb+0x1ac/0x630 drivers/net/wireless/ath/ath9k/hif_usb.c:733 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x675/0xa10 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1744 __do_softirq+0x1b0/0x910 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x117/0x160 kernel/softirq.c:636 irq_exit_rcu+0x5/0x10 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:553 Code: 89 de e8 cd ed 80 fb 84 db 75 ac e8 94 e6 80 fb e8 5f f2 86 fb eb 0c e8 88 e6 80 fb 0f 00 2d 81 b0 88 00 e8 7c e6 80 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 07 ef 80 fb 48 85 db RSP: 0018:ffffffff87407d60 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff874523c0 RSI: ffffffff85c07ec4 RDI: ffffffff85c07eb1 RBP: ffff8881053d7864 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81477148 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8881053d7800 R14: ffff8881053d7864 R15: ffff88810c505804 acpi_idle_enter+0x355/0x4f0 drivers/acpi/processor_idle.c:688 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3dd/0x580 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_kernel+0x47a/0x49b init/main.c:1120 secondary_startup_64_no_verify+0xb0/0xbb Modules linked in: CR2: ffffffffffffffc8 ---[ end trace bce88d772af26b70 ]--- RIP: 0010:ath9k_htc_rxep+0xb5/0x210 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135 Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64 RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc90005909000 RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000007928 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f25 R11: 0000000000000000 R12: ffff88813c17b678 R13: ffff88813c17b240 R14: ffff88813c17b688 R15: ffff88814afef9a8 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 000000013ac0e000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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.