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=-9.0 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 E72EAC433E0 for ; Tue, 28 Jul 2020 17:06:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C85B920786 for ; Tue, 28 Jul 2020 17:06:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731806AbgG1RGW (ORCPT ); Tue, 28 Jul 2020 13:06:22 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:51744 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731792AbgG1RGW (ORCPT ); Tue, 28 Jul 2020 13:06:22 -0400 Received: by mail-io1-f70.google.com with SMTP id l1so14064995ioh.18 for ; Tue, 28 Jul 2020 10:06:21 -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=gxgsVNgMju6EFb0WmfcBE/0w/FhLwyo5HMozMxfMsks=; b=ZJ33L8UcSTLZxoqAD7Aj7YBqIpodeC6AE4yyI8gnHDyiqZC2yUn2DtsudNiPLQlGTg 1QkVB74NacJJEhTO0Dvp9MyF1HRIDPBJEEVDOhyWW1WFQxfXBKWCEMZcmeAdQ0eFXChJ S1fyJnatNdequrMtwGmzKCFwBv54ZoVSCHAso1DwvAAHTnq/WXJJe+BuRU2Zq8I1lSWq b70Rx6fpLwHyRZ+yIFGB/Or7w/ANaqwuf18fOfNDSocUOdRx4ShniT6BndpoVOzfxBnB Qje9dx+3VPetyuP7f0JmxeD5qxICghJCYjdET/1YbS4TXXOk/GpXt6wjMjT41/bfLwMf x/jA== X-Gm-Message-State: AOAM533fvFqFp9gRB+to++jZ4r1teP1vRTReUALcA55aXum3rukowVXg IFI3+2S/hYw9oWiwRbiUGQZ/wpIFieM3EYb2AHp1gNMdNk1k X-Google-Smtp-Source: ABdhPJyfumVwNMg7hYM9ynDDWhAUQv9Rn2C++jZ2YLGJwgOP1QWYGXa0QiStQHC+tN2CwyutCSwzfYReVkvtKMHU1aC5pKRzPKQY MIME-Version: 1.0 X-Received: by 2002:a92:194d:: with SMTP id e13mr19463433ilm.125.1595955981022; Tue, 28 Jul 2020 10:06:21 -0700 (PDT) Date: Tue, 28 Jul 2020 10:06:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000537dfd05ab837526@google.com> Subject: KASAN: out-of-bounds Read in ath9k_hif_usb_rx_cb (2) From: syzbot To: andreyknvl@google.com, 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" Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 25252919 xhci: dbgtty: Make some functions static 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=164adf28900000 kernel config: https://syzkaller.appspot.com/x/.config?x=fb6677a3d4f11788 dashboard link: https://syzkaller.appspot.com/bug?extid=dbcf296f0cfda711b5c4 compiler: gcc (GCC) 10.1.0-syz 20200507 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+dbcf296f0cfda711b5c4@syzkaller.appspotmail.com ================================================================== BUG: KASAN: out-of-bounds in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:637 [inline] BUG: KASAN: out-of-bounds in ath9k_hif_usb_rx_cb+0xe82/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671 Read of size 4 at addr ffff8881a248c098 by task kworker/0:5/3249 CPU: 0 PID: 3249 Comm: kworker/0:5 Not tainted 5.8.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xf6/0x16e lib/dump_stack.c:118 print_address_description.constprop.0+0x1a/0x210 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report.cold+0x37/0x7c mm/kasan/report.c:530 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:637 [inline] ath9k_hif_usb_rx_cb+0xe82/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671 __usb_hcd_giveback_urb+0x32d/0x560 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1716 dummy_timer+0x11f2/0x3240 drivers/usb/gadget/udc/dummy_hcd.c:1967 call_timer_fn+0x1ac/0x6e0 kernel/time/timer.c:1415 expire_timers kernel/time/timer.c:1460 [inline] __run_timers.part.0+0x54c/0x9e0 kernel/time/timer.c:1784 __run_timers kernel/time/timer.c:1756 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1797 __do_softirq+0x222/0x95b kernel/softirq.c:292 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0xed/0x140 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:387 [inline] __irq_exit_rcu kernel/softirq.c:417 [inline] irq_exit_rcu+0x150/0x1f0 kernel/softirq.c:429 sysvec_apic_timer_interrupt+0x49/0xc0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:585 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline] RIP: 0010:console_unlock+0xbe2/0xcd0 kernel/printk/printk.c:2497 Code: fc ff ff e8 10 31 16 00 0f 0b e9 b1 fd ff ff e8 04 31 16 00 0f 0b e9 04 fe ff ff e8 f8 30 16 00 e8 43 bc 1b 00 ff 74 24 30 9d 6b fc ff ff e8 04 e0 3f 00 e9 65 f6 ff ff e8 0a e0 3f 00 e9 1f RSP: 0018:ffff8881c8a3fa18 EFLAGS: 00000293 RAX: 0000000000465681 RBX: 0000000000000200 RCX: 0000000000000006 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8129790d RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff82b05a80 R13: ffffffff876f53b0 R14: 0000000000000042 R15: dffffc0000000000 vprintk_emit+0x1b2/0x460 kernel/printk/printk.c:2021 vprintk_func+0x8b/0x133 kernel/printk/printk_safe.c:393 printk+0xba/0xed kernel/printk/printk.c:2070 ath9k_htc_hw_init.cold+0x17/0x2a drivers/net/wireless/ath/ath9k/htc_hst.c:502 ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1220 request_firmware_work_func+0x126/0x250 drivers/base/firmware_loader/main.c:1001 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x392/0x470 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 general protection fault, probably for non-canonical address 0xdead000000000400: 0000 [#1] SMP KASAN CPU: 0 PID: 3249 Comm: kworker/0:5 Not tainted 5.8.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func RIP: 0010:nearest_obj include/linux/slub_def.h:176 [inline] RIP: 0010:print_address_description.constprop.0+0x18e/0x210 mm/kasan/report.c:388 Code: c4 60 5b 5d 41 5c 41 5d c3 4c 89 e6 48 2b 35 41 e2 a3 05 48 89 e8 49 8b 5c 24 18 48 c1 fe 06 48 c1 e6 0c 48 03 35 3a e2 a3 05 <8b> 4b 18 48 29 f0 48 99 48 89 cf 48 f7 f9 41 0f b7 44 24 2a 48 89 RSP: 0018:ffff8881db209838 EFLAGS: 00010086 RAX: ffff8881a248c098 RBX: dead000000000400 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff8881a248c000 RDI: ffffed103b6412f9 RBP: ffff8881a248c098 R08: 0000000000000000 R09: ffff8881db21fe8b R10: 0000000000000000 R11: 0000000000000004 R12: ffffea0006892300 R13: ffffffff82e223f2 R14: ffffffff82e223f2 R15: ffffed103a67ee10 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fda4b7b9000 CR3: 00000001d1c45000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_report mm/kasan/report.c:513 [inline] kasan_report.cold+0x37/0x7c mm/kasan/report.c:530 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:637 [inline] ath9k_hif_usb_rx_cb+0xe82/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671 __usb_hcd_giveback_urb+0x32d/0x560 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1716 dummy_timer+0x11f2/0x3240 drivers/usb/gadget/udc/dummy_hcd.c:1967 call_timer_fn+0x1ac/0x6e0 kernel/time/timer.c:1415 expire_timers kernel/time/timer.c:1460 [inline] __run_timers.part.0+0x54c/0x9e0 kernel/time/timer.c:1784 __run_timers kernel/time/timer.c:1756 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1797 __do_softirq+0x222/0x95b kernel/softirq.c:292 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0xed/0x140 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:387 [inline] __irq_exit_rcu kernel/softirq.c:417 [inline] irq_exit_rcu+0x150/0x1f0 kernel/softirq.c:429 sysvec_apic_timer_interrupt+0x49/0xc0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:585 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline] RIP: 0010:console_unlock+0xbe2/0xcd0 kernel/printk/printk.c:2497 Code: fc ff ff e8 10 31 16 00 0f 0b e9 b1 fd ff ff e8 04 31 16 00 0f 0b e9 04 fe ff ff e8 f8 30 16 00 e8 43 bc 1b 00 ff 74 24 30 9d 6b fc ff ff e8 04 e0 3f 00 e9 65 f6 ff ff e8 0a e0 3f 00 e9 1f RSP: 0018:ffff8881c8a3fa18 EFLAGS: 00000293 RAX: 0000000000465681 RBX: 0000000000000200 RCX: 0000000000000006 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8129790d RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff82b05a80 R13: ffffffff876f53b0 R14: 0000000000000042 R15: dffffc0000000000 vprintk_emit+0x1b2/0x460 kernel/printk/printk.c:2021 vprintk_func+0x8b/0x133 kernel/printk/printk_safe.c:393 printk+0xba/0xed kernel/printk/printk.c:2070 ath9k_htc_hw_init.cold+0x17/0x2a drivers/net/wireless/ath/ath9k/htc_hst.c:502 ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1220 request_firmware_work_func+0x126/0x250 drivers/base/firmware_loader/main.c:1001 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x392/0x470 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Modules linked in: ---[ end trace 6f3e98b95d1a4467 ]--- RIP: 0010:nearest_obj include/linux/slub_def.h:176 [inline] RIP: 0010:print_address_description.constprop.0+0x18e/0x210 mm/kasan/report.c:388 Code: c4 60 5b 5d 41 5c 41 5d c3 4c 89 e6 48 2b 35 41 e2 a3 05 48 89 e8 49 8b 5c 24 18 48 c1 fe 06 48 c1 e6 0c 48 03 35 3a e2 a3 05 <8b> 4b 18 48 29 f0 48 99 48 89 cf 48 f7 f9 41 0f b7 44 24 2a 48 89 RSP: 0018:ffff8881db209838 EFLAGS: 00010086 RAX: ffff8881a248c098 RBX: dead000000000400 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff8881a248c000 RDI: ffffed103b6412f9 RBP: ffff8881a248c098 R08: 0000000000000000 R09: ffff8881db21fe8b R10: 0000000000000000 R11: 0000000000000004 R12: ffffea0006892300 R13: ffffffff82e223f2 R14: ffffffff82e223f2 R15: ffffed103a67ee10 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fda4b7b9000 CR3: 00000001d1c45000 CR4: 00000000001406f0 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.