From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f77.google.com (mail-oo1-f77.google.com [209.85.161.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2771A23D7CF for ; Sat, 18 Apr 2026 06:03:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.77 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776492201; cv=none; b=RBADwxkIMU5m3ZHt0aT18EXjBU7M6Bo5TA3/uJMCos1srvYRA/JdLh0lWKnlbFerOkDYSYy8WVfXVsnr1L7dpniUcDuam8wOjAREDlVEeq9PfGvk13k+E8y1+joJLvph07urTSo5t0dBvkHtuh4ANKv2P4bBw8Ykr7Laag1DhHU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776492201; c=relaxed/simple; bh=JH7XtzaX+9CBvgQbzNutoqTJHyOWkjWAXjHf1IwKbQQ=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=QZFZd88ptUfIY0LQwVA5plpOlaF9/iG/QMjS51l3xAbYNAK+QRJqMpfWA7HvZJ9ENLfOAikoH6ogzEigpJtSUOzp0vSHUy5mOTY8XyGpjo19N13cmkvAflR1ONmAClHYcMXhJENBaYgFq4SknYGonfC+ot+DpeQ6y/PYE62qjtQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.161.77 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oo1-f77.google.com with SMTP id 006d021491bc7-688b73cc616so1137402eaf.0 for ; Fri, 17 Apr 2026 23:03:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776492199; x=1777096999; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=r2ShEDAOcuXR5Hgm2yjd2fAXTAJyti566gH2QCG97kY=; b=auLKMweizcbvdrGJtX6xsMXprzaB1NV40kC7cmJS6NzVUX7HSibI1P2QL8U/ciKqwU p7uGYBiZr2DVfNAtIJ+CGS2hMsBIFHSc+DprQiZbFcnGUiCuqSZQV6QSzbYDYkRvjGR4 +YyYWJm7PNiCEYYBc4Kv2QJkWucPzC3/DdQK/nSF2VeQNfg4xPFla1T7BxSfMbLlTo6i cyn/cB8jfmj+UCKzdLElGWKu0e60i3VCRFqFXTIejJJ4kjEdp4kpPwI+Fv9xKAbPJn1V qPFrVPwbH/z8/AbXSszPGH6K8olIoJv1c7g6Ye8eN9GuJRaJRf6wSH8WsVjpQarQ2yhu FIZg== X-Forwarded-Encrypted: i=1; AFNElJ9sfJT5Un8tE75DLbJkWdUg6BinOfxxMDLSfWncI1gjZ1zzSxHUbpLjKH1xJKYJKIlo2nsg6kCjH1HgUww=@vger.kernel.org X-Gm-Message-State: AOJu0YyEYzvd+PeFx42inlF7/4ipdxZyvViMb7Mm6g+qEMuCo64lNnaC MCkE+GD2a3JPLSwYd+K99lUG0zylimV7R3V56JyxxS2v6yWWfVSsmcJ8AHwFDxqLMH3uH7V5RF/ YMUUmSe/B/C1Ynt6YGoOdX8b6h7n/8ef73TbUfcas71hJCOtSGBy1JRmfhxo= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:151d:b0:67c:9f59:23ee with SMTP id 006d021491bc7-69462e57b25mr3265866eaf.14.1776492199187; Fri, 17 Apr 2026 23:03:19 -0700 (PDT) Date: Fri, 17 Apr 2026 23:03:19 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69e31ea7.050a0220.24bfd3.0002.GAE@google.com> Subject: [syzbot] [kernel?] INFO: task hung in devres_release_group (2) From: syzbot To: anna-maria@linutronix.de, frederic@kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tglx@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 0f0013213293 Merge tag 'vfs-7.1-rc1.integrity' of git://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=172f3036580000 kernel config: https://syzkaller.appspot.com/x/.config?x=6c5ea45f4cdebd8e dashboard link: https://syzkaller.appspot.com/bug?extid=d789904ff97c2f3dac88 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/7062a6575fdd/disk-0f001321.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b54e97a40fd3/vmlinux-0f001321.xz kernel image: https://storage.googleapis.com/syzbot-assets/664c8fd5334d/bzImage-0f001321.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d789904ff97c2f3dac88@syzkaller.appspotmail.com INFO: task kworker/1:1:29 blocked for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:19912 pid:29 tgid:29 ppid:2 task_flags:0x4288060 flags:0x00080000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0x15dd/0x52d0 kernel/sched/core.c:6911 __schedule_loop kernel/sched/core.c:6993 [inline] schedule+0x164/0x360 kernel/sched/core.c:7008 schedule_timeout+0xc3/0x2c0 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common kernel/sched/completion.c:121 [inline] wait_for_common kernel/sched/completion.c:132 [inline] wait_for_completion+0x2cc/0x5e0 kernel/sched/completion.c:153 i2c_del_adapter+0x5c0/0x790 drivers/i2c/i2c-core-base.c:1814 release_nodes drivers/base/devres.c:505 [inline] devres_release_group+0x2fd/0x350 drivers/base/devres.c:692 hid_device_remove+0x250/0x370 drivers/hid/hid-core.c:2837 device_remove drivers/base/dd.c:631 [inline] __device_release_driver drivers/base/dd.c:1344 [inline] device_release_driver_internal+0x46f/0x870 drivers/base/dd.c:1367 bus_remove_device+0x455/0x570 drivers/base/bus.c:657 device_del+0x527/0x8f0 drivers/base/core.c:3879 hid_remove_device drivers/hid/hid-core.c:3009 [inline] hid_destroy_device+0x6b/0x1b0 drivers/hid/hid-core.c:3031 usbhid_disconnect+0x9f/0xc0 drivers/hid/usbhid/hid-core.c:1477 usb_unbind_interface+0x26e/0x910 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:633 [inline] __device_release_driver drivers/base/dd.c:1344 [inline] device_release_driver_internal+0x4d9/0x870 drivers/base/dd.c:1367 bus_remove_device+0x455/0x570 drivers/base/bus.c:657 device_del+0x527/0x8f0 drivers/base/core.c:3879 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1476 usb_disconnect+0x32f/0x990 drivers/usb/core/hub.c:2345 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5707 [inline] port_event drivers/usb/core/hub.c:5871 [inline] hub_event+0x1cc9/0x4f30 drivers/usb/core/hub.c:5953 process_one_work kernel/workqueue.c:3288 [inline] process_scheduled_works+0xb6e/0x18c0 kernel/workqueue.c:3371 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3452 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Showing all locks held in the system: 1 lock held by rcu_exp_gp_kthr/18: 6 locks held by kworker/1:1/29: #0: ffff888022296548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3263 [inline] #0: ffff888022296548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 kernel/workqueue.c:3371 #1: ffffc90000a47c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3264 [inline] #1: ffffc90000a47c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 kernel/workqueue.c:3371 #2: ffff88802a4571e0 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:949 [inline] #2: ffff88802a4571e0 (&dev->mutex){....}-{4:4}, at: hub_event+0x17f/0x4f30 drivers/usb/core/hub.c:5899 #3: ffff888036c551e0 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:949 [inline] #3: ffff888036c551e0 (&dev->mutex){....}-{4:4}, at: usb_disconnect+0xf8/0x990 drivers/usb/core/hub.c:2336 #4: ffff88807aea21a8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:949 [inline] #4: ffff88807aea21a8 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1166 [inline] #4: ffff88807aea21a8 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xb6/0x870 drivers/base/dd.c:1364 #5: ffff88807e695a68 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:949 [inline] #5: ffff88807e695a68 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1166 [inline] #5: ffff88807e695a68 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xb6/0x870 drivers/base/dd.c:1364 1 lock held by khungtaskd/31: #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:847 [inline] #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775 2 locks held by getty/5580: #0: ffff8880378c00a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0 drivers/tty/n_tty.c:2211 2 locks held by kworker/1:5/17649: #0: ffff88813fe13148 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3263 [inline] #0: ffff88813fe13148 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 kernel/workqueue.c:3371 #1: ffffc9000ffdfc40 (free_ipc_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3264 [inline] #1: ffffc9000ffdfc40 (free_ipc_work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 kernel/workqueue.c:3371 3 locks held by syz-executor/23076: #0: ffff888028be8ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:500 [inline] #0: ffff888028be8ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x212/0x5a0 net/bluetooth/hci_core.c:2716 #1: ffff888028be80c0 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x640/0x10e0 net/bluetooth/hci_sync.c:5356 #2: ffffffff8e7648f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:311 [inline] #2: ffffffff8e7648f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770 kernel/rcu/tree_exp.h:961 1 lock held by syz-executor/23093: #0: ffffffff8fbd1088 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:634 [inline] #0: ffffffff8fbd1088 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3e/0x1c0 drivers/net/tun.c:3436 4 locks held by syz-executor/32612: #0: ffff88807e740ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:500 [inline] #0: ffff88807e740ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x212/0x5a0 net/bluetooth/hci_core.c:2716 #1: ffff88807e7400c0 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x640/0x10e0 net/bluetooth/hci_sync.c:5356 #2: ffffffff8fd5e528 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2151 [inline] #2: ffffffff8fd5e528 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x260 net/bluetooth/hci_conn.c:2650 #3: ffff8880303b6b00 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x92/0x570 net/bluetooth/l2cap_core.c:1777 2 locks held by syz-executor/32642: #0: ffffffff8fbd1088 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:634 [inline] #0: ffffffff8fbd1088 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3e/0x1c0 drivers/net/tun.c:3436 #1: ffffffff8e7648f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:343 [inline] #1: ffffffff8e7648f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770 kernel/rcu/tree_exp.h:961 3 locks held by syz-executor/2275: #0: ffff8880639f0ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:500 [inline] #0: ffff8880639f0ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x212/0x5a0 net/bluetooth/hci_core.c:2716 #1: ffff8880639f00c0 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x640/0x10e0 net/bluetooth/hci_sync.c:5356 #2: ffffffff8fd5e528 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2151 [inline] #2: ffffffff8fd5e528 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x260 net/bluetooth/hci_conn.c:2650 1 lock held by syz.3.3719/3256: #0: ffff88802a4571e0 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:949 [inline] #0: ffff88802a4571e0 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x182/0x770 drivers/usb/core/devio.c:1054 3 locks held by syz-executor/3910: #0: ffff88808db40ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:500 [inline] #0: ffff88808db40ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x212/0x5a0 net/bluetooth/hci_core.c:2716 #1: ffff88808db400c0 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x640/0x10e0 net/bluetooth/hci_sync.c:5356 #2: ffffffff8fd5e528 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2151 [inline] #2: ffffffff8fd5e528 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x260 net/bluetooth/hci_conn.c:2650 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline] watchdog+0xfd9/0x1030 kernel/hung_task.c:515 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2034 Comm: syz.6.3648 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:seqcount_lockdep_reader_access+0x1e/0xc0 include/linux/seqlock.h:73 Code: 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 48 89 fb 9c 41 5f fa 41 f7 c7 00 02 00 00 75 36 48 83 c3 08 4c 8b 74 24 18 <48> 89 df 31 f6 31 d2 b9 02 00 00 00 41 b8 01 00 00 00 45 31 c9 41 RSP: 0018:ffffc90004c4f6a8 EFLAGS: 00000082 RAX: 1ffff11027fff784 RBX: ffff88813fffbc58 RCX: dffffc0000000000 RDX: ffff88813fffbb80 RSI: ffffea00023a4e80 RDI: ffff88813fffbc50 RBP: ffff88813fffbb80 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff2023c17 R12: 1ffff11027fff78a R13: ffff88813fffbc20 R14: ffffffff82228ddb R15: 0000000000000806 FS: 0000000000000000(0000) GS:ffff888125451000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a8283580f0 CR3: 000000000e54c000 CR4: 00000000003526f0 Call Trace: read_seqbegin include/linux/seqlock.h:838 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:87 [inline] page_outside_zone_boundaries mm/page_alloc.c:612 [inline] bad_range+0x8b/0x2c0 mm/page_alloc.c:631 __free_one_page+0xf3/0xbd0 mm/page_alloc.c:994 free_pcppages_bulk+0x2de/0x520 mm/page_alloc.c:1531 free_frozen_page_commit+0x62a/0x1220 mm/page_alloc.c:2915 __free_frozen_pages+0x6f0/0xdb0 mm/page_alloc.c:3005 vfree+0x25a/0x400 mm/vmalloc.c:3479 kcov_put kernel/kcov.c:442 [inline] kcov_close+0x28/0x50 kernel/kcov.c:543 __fput+0x44f/0xa70 fs/file_table.c:469 task_work_run+0x1d9/0x270 kernel/task_work.c:233 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x70f/0x23c0 kernel/exit.c:976 do_group_exit+0x21b/0x2d0 kernel/exit.c:1118 get_signal+0x1284/0x1330 kernel/signal.c:3034 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline] do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 00fb:0x294e66b3c7c44cb4 Code: Unable to access opcode bytes at 0x294e66b3c7c44c8a. RSP: 002b:0000000000000000 EFLAGS: 00000202 ORIG_RAX: ce3d5c200518e753 RAX: 6d02b596a6d6b2c6 RBX: 46b00e13ac8c17fa RCX: 1d6d567492f1521e RDX: eb30e365dd53f3a0 RSI: c553273f825e1cf7 RDI: b331ef28487276fd RBP: 9c8c87e20081ee76 R08: cf9d780a350b4549 R09: c7e58b697db8ef3d R10: d68d02d45a22dc24 R11: 19b4d49ef33da9ed R12: 39cb75b6fa6cb3d1 R13: a8d7b5dbf29d588f R14: 9b8908dcbb4f02b4 R15: 107b9d1451766018 --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup