INFO: task hung in usb_bulk

INFO: task hung in usb_bulk_msg
Status: upstream: reported on 2018/09/06 16:59
Reported-by: syzbot+7a7613e5ba9ae7bd15f9@syzkaller.appspotmail.com
First crash: 632d, last: 29d

similar bugs (2):
Kernel	Title	Repro	Bisected	Count	Last	Reported	Patched	Status
linux-4.14	INFO: task hung in usb_bulk_msg			20	24d	345d	0/1	upstream: reported on 2019/06/20 04:21
linux-4.19	INFO: task hung in usb_bulk_msg			17	50d	411d	0/1	upstream: reported on 2019/04/15 07:30

Sample crash report:

INFO: task syz-executor.0:3512 blocked for more than 143 seconds.
      Not tainted 5.7.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D27456  3512   7057 0x00004004
Call Trace:
 schedule+0xd0/0x2a0 kernel/sched/core.c:4158
 schedule_timeout+0x55b/0x850 kernel/time/timer.c:1874
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion_timeout+0x162/0x280 kernel/sched/completion.c:157
 usb_start_wait_urb+0x144/0x2b0 drivers/usb/core/message.c:63
 usb_bulk_msg+0x228/0x550 drivers/usb/core/message.c:254
 proc_bulk+0x41a/0x780 drivers/usb/core/devio.c:1226
 usbdev_do_ioctl drivers/usb/core/devio.c:2530 [inline]
 usbdev_ioctl+0x543/0x31e0 drivers/usb/core/devio.c:2696
 vfs_ioctl fs/ioctl.c:47 [inline]
 ksys_ioctl+0x11a/0x180 fs/ioctl.c:763
 __do_sys_ioctl fs/ioctl.c:772 [inline]
 __se_sys_ioctl fs/ioctl.c:770 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:770
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c829
Code: 08 0f 57 c0 0f 11 44 24 48 48 8b 4c 24 30 48 89 4c 24 48 48 89 44 24 50 48 8b 4c 24 48 48 8b 54 24 78 48 39 c2 74 12 c6 84 24 <90> 00 00 00 00 48 8b 6c 24 58 48 83 c4 60 c3 48 8b 44 24 70 48 89
RSP: 002b:00007f5d5db0ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004f0340 RCX: 000000000045c829
RDX: 0000000020000280 RSI: 00000000c0185502 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000005e2 R14: 00000000004c88c0 R15: 00007f5d5db0f6d4

Showing all locks held in the system:
1 lock held by khungtaskd/1141:
 #0: ffffffff899beb00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:5754
1 lock held by in:imklog/6929:
 #0: ffff8880a79018b0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:826

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 1141 Comm: khungtaskd Not tainted 5.7.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x231/0x27e lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
 watchdog+0xa8c/0x1010 kernel/hung_task.c:289
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2230 Comm: kworker/u4:4 Not tainted 5.7.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:rcu_read_lock include/linux/rcupdate.h:602 [inline]
RIP: 0010:batadv_nc_process_nc_paths.part.0+0x2d7/0x3c0 net/batman-adv/network-coding.c:686
Code: ff ff 48 83 c4 38 5b 5d 41 5c 41 5d 41 5e 41 5f e9 0e 5a bd f9 e8 09 5a bd f9 e8 c4 61 aa f9 31 ff 89 c5 89 c6 e8 29 5b bd f9 <40> 84 ed 0f 85 3f fe ff ff e8 eb 59 bd f9 48 c7 c2 60 ec fa 88 be
RSP: 0018:ffffc90004907c60 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880948e6a38 RCX: ffffffff87b5d4a7
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffff8880a5fc2000 R09: ffffed1015ce7104
R10: ffff8880ae73881b R11: ffffed1015ce7103 R12: dffffc0000000000
R13: ffff8880544cd730 R14: ffff8880544ccc00 R15: 0000000000000047
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa7a5fb5000 CR3: 00000000a603d000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 batadv_nc_process_nc_paths net/batman-adv/network-coding.c:678 [inline]
 batadv_nc_worker+0x545/0x760 net/batman-adv/network-coding.c:727
 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352

Crashes (462):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Maintainers
ci-upstream-kasan-gce-selinux-root	2020/04/29 12:31	upstream	3f777e19	e3ecea2e	.config	log	report	andriy.shevchenko@linux.intel.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, rafael.j.wysocki@intel.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2020/04/26 15:58	upstream	b2768df2	99b258dd	.config	log	report	andriy.shevchenko@linux.intel.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, rafael.j.wysocki@intel.com
ci-upstream-kasan-gce	2020/03/31 07:21	upstream	673b41e0	c8d1cc20	.config	log	report	andriy.shevchenko@linux.intel.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, rafael.j.wysocki@intel.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-root	2020/03/11 09:43	upstream	e9414845	35f53e45	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2020/03/06 01:44	upstream	63623fd4	c88c7b75	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2020/03/05 11:01	upstream	63623fd4	c88c7b75	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2020/02/28 05:45	upstream	f8788d86	59b57593	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2020/02/16 03:45	upstream	829e6944	5d7b90f1	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-smack-root	2020/02/11 01:26	upstream	bb6d3fb3	18847f55	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2020/01/24 08:50	upstream	4703d911	2e95ab33	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2020/01/24 06:27	upstream	4703d911	2e95ab33	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2020/01/11 14:16	upstream	bef1d882	4c04afaa	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2020/01/08 22:02	upstream	ae608821	ddc3e859	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-selinux-root	2019/12/30 05:22	upstream	a99efa00	af6b8ef8	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/12/27 13:05	upstream	46cf053e	be5c2c81	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/12/27 07:02	upstream	46cf053e	be5c2c81	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-root	2019/12/07 05:15	upstream	7ada90eb	85f26751	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/11/19 23:30	upstream	af42d346	5bc70212	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/11/19 21:40	upstream	af42d346	5bc70212	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-root	2019/11/01 00:51	upstream	e472c64a	a41ca8fa	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-smack-root	2019/10/05 14:34	upstream	4ea65534	f3f7d9c8	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/20 19:12	upstream	574cc453	d96e88f3	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/17 11:04	upstream	cef72982	51ca0454	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/16 20:52	upstream	4d856f72	cb936299	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/15 21:06	upstream	1609d760	32d59357	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/15 14:54	upstream	1609d760	32d59357	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/15 12:21	upstream	1609d760	32d59357	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/15 10:35	upstream	1609d760	32d59357	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/14 18:02	upstream	a7f89616	32d59357	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/14 13:47	upstream	a7f89616	32d59357	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/12 11:10	upstream	3120b9a6	f4e53c10	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/11 15:18	upstream	3120b9a6	a60cb4cd	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/11 07:10	upstream	3120b9a6	a60cb4cd	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/09 19:16	upstream	f74c2bb9	a60cb4cd	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/08 22:43	upstream	950b07c1	a60cb4cd	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/08 08:54	upstream	b3a9964c	a60cb4cd	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/08 00:27	upstream	1e3778cb	a60cb4cd	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-root	2019/09/06 12:30	upstream	3b47fd5c	040fda58	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce	2019/09/06 08:13	upstream	3b47fd5c	040fda58	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-selinux-root	2018/09/06 11:20	upstream	b36fdc68	0bb7a7eb	.config	log	report	bigeasy@linutronix.de, felipe.balbi@linux.intel.com, gregkh@linuxfoundation.org, joe@perches.com, johan@kernel.org, kai.heng.feng@canonical.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
ci-upstream-kasan-gce-386	2020/04/25 04:53	upstream	b4f63322	03d97a1b	.config	log	report	andriy.shevchenko@linux.intel.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, rafael.j.wysocki@intel.com
ci-upstream-kasan-gce-386	2020/04/11 18:54	upstream	5b8b9d0c	a8c6a3f8	.config	log	report	andriy.shevchenko@linux.intel.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, rafael.j.wysocki@intel.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-386	2020/03/02 23:31	upstream	63623fd4	c88c7b75	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-kasan-gce-386	2020/02/08 09:47	upstream	41dcd67e	06150bf1	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-linux-next-kasan-gce-root	2020/05/01 16:37	linux-next	ac935d22	a4d01b80	.config	log	report	andriy.shevchenko@linux.intel.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, rafael.j.wysocki@intel.com, stern@rowland.harvard.edu
ci-upstream-linux-next-kasan-gce-root	2020/02/23 11:35	linux-next	bee46b30	2c36e7a7	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-linux-next-kasan-gce-root	2019/12/22 07:38	linux-next	7ddd09fc	bc586918	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu
ci-upstream-linux-next-kasan-gce-root	2019/09/15 03:03	linux-next	6d028043	32d59357	.config	log	report	gregkh@linuxfoundation.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com, stern@rowland.harvard.edu