WARNING in hso_free_net

WARNING in hso_free_net_device
Status: upstream: reported C repro on 2019/09/03 12:08
Reported-by: syzbot+44d53c7255bb1aea22d2@syzkaller.appspotmail.com
First crash: 42d, last: 9h16m

Sample crash report:

usb 1-1: config 0 has no interface number 0
usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
hso 1-1:0.15: Can't find BULK IN endpoint
------------[ cut here ]------------
WARNING: CPU: 1 PID: 83 at net/core/dev.c:8167 rollback_registered_many.cold+0x41/0x1bc net/core/dev.c:8167
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0-rc5+ #28
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+0xca/0x13e lib/dump_stack.c:113
 panic+0x2a3/0x6da kernel/panic.c:219
 __warn.cold+0x20/0x4a kernel/panic.c:576
 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+0x12b/0x1e0 arch/x86/kernel/traps.c:272
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:291
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:rollback_registered_many.cold+0x41/0x1bc net/core/dev.c:8167
Code: ff e8 c7 26 90 fc 48 c7 c7 40 ec 63 86 e8 24 c8 7a fc 0f 0b e9 93 be ff ff e8 af 26 90 fc 48 c7 c7 40 ec 63 86 e8 0c c8 7a fc <0f> 0b 4c 89 e7 e8 f9 12 34 fd 31 ff 41 89 c4 89 c6 e8 bd 27 90 fc
RSP: 0018:ffff8881d934f088 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff8881d2ad4400 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81288cfd RDI: ffffed103b269e03
RBP: ffff8881d934f1b8 R08: 0000000000000024 R09: fffffbfff11ad794
R10: fffffbfff11ad793 R11: ffffffff88d6bc9f R12: ffff8881d2ad4470
R13: ffff8881d934f148 R14: dffffc0000000000 R15: 0000000000000000
 rollback_registered+0xf2/0x1c0 net/core/dev.c:8243
 unregister_netdevice_queue net/core/dev.c:9290 [inline]
 unregister_netdevice_queue+0x1d7/0x2b0 net/core/dev.c:9283
 unregister_netdevice include/linux/netdevice.h:2631 [inline]
 unregister_netdev+0x18/0x20 net/core/dev.c:9331
 hso_free_net_device+0xff/0x300 drivers/net/usb/hso.c:2366
 hso_create_net_device+0x76d/0x9c0 drivers/net/usb/hso.c:2554
 hso_probe+0x28d/0x1a46 drivers/net/usb/hso.c:2931
 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361
 really_probe+0x281/0x6d0 drivers/base/dd.c:548
 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:894
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2165
 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023
 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210
 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266
 really_probe+0x281/0x6d0 drivers/base/dd.c:548
 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:894
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2165
 usb_new_device.cold+0x6a4/0xe79 drivers/usb/core/hub.c:2536
 hub_port_connect drivers/usb/core/hub.c:5098 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5213 [inline]
 port_event drivers/usb/core/hub.c:5359 [inline]
 hub_event+0x1b5c/0x3640 drivers/usb/core/hub.c:5441
 process_one_work+0x92b/0x1530 kernel/workqueue.c:2269
 worker_thread+0x96/0xe20 kernel/workqueue.c:2415
 kthread+0x318/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (23):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Maintainers
ci2-upstream-usb	2019/09/01 09:35	https://github.com/google/kasan.git usb-fuzzer	eea39f24	bad3cce2	.config	log	report	syz	C	alexios.zavras@intel.com, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/10/02 21:53	https://github.com/google/kasan.git usb-fuzzer	58d5f26a	2e29b534	.config	log	report	syz	C	alexios.zavras@intel.com, allison@lohutok.net, benquike@gmail.com, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, tglx@linutronix.de
ci2-upstream-usb	2019/09/28 08:01	https://github.com/google/kasan.git usb-fuzzer	2994c077	d8074e0b	.config	log	report	syz	C	allison@lohutok.net, benquike@gmail.com, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, tglx@linutronix.de
ci2-upstream-usb	2019/09/21 00:48	https://github.com/google/kasan.git usb-fuzzer	e0bd8d79	d96e88f3	.config	log	report	syz	C	alexios.zavras@intel.com, allison@lohutok.net, benquike@gmail.com, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, tglx@linutronix.de
ci2-upstream-usb	2019/09/08 17:11	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	a60cb4cd	.config	log	report	syz	C	allison@lohutok.net, benquike@gmail.com, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, tglx@linutronix.de
ci2-upstream-usb	2019/10/13 20:25	https://github.com/google/kasan.git usb-fuzzer	58d5f26a	2f661ec4	.config	log	report			benquike@gmail.com, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/10/08 02:31	https://github.com/google/kasan.git usb-fuzzer	58d5f26a	28ac6e64	.config	log	report			alexios.zavras@intel.com, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, tglx@linutronix.de
ci2-upstream-usb	2019/10/06 11:28	https://github.com/google/kasan.git usb-fuzzer	58d5f26a	f3f7d9c8	.config	log	report			allison@lohutok.net, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/10/02 23:37	https://github.com/google/kasan.git usb-fuzzer	58d5f26a	2e29b534	.config	log	report			allison@lohutok.net, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/26 14:39	https://github.com/google/kasan.git usb-fuzzer	23e42cc7	24d405a3	.config	log	report			alexios.zavras@intel.com, allison@lohutok.net, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, tglx@linutronix.de
ci2-upstream-usb	2019/09/26 04:51	https://github.com/google/kasan.git usb-fuzzer	23e42cc7	24d405a3	.config	log	report			benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/25 07:13	https://github.com/google/kasan.git usb-fuzzer	d9e63adc	e38a6630	.config	log	report			benquike@gmail.com, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/24 06:31	https://github.com/google/kasan.git usb-fuzzer	d9e63adc	c68252d2	.config	log	report			alexios.zavras@intel.com, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, tglx@linutronix.de
ci2-upstream-usb	2019/09/21 08:27	https://github.com/google/kasan.git usb-fuzzer	e0bd8d79	d96e88f3	.config	log	report			alexios.zavras@intel.com, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/20 07:57	https://github.com/google/kasan.git usb-fuzzer	e0bd8d79	4d3ae0b7	.config	log	report			alexios.zavras@intel.com, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/17 15:35	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	13dcda9b	.config	log	report			alexios.zavras@intel.com, benquike@gmail.com, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/16 17:45	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	55c50e70	.config	log	report			alexios.zavras@intel.com, allison@lohutok.net, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/16 05:20	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	32d59357	.config	log	report			alexios.zavras@intel.com, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/15 16:35	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	32d59357	.config	log	report			alexios.zavras@intel.com, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/14 10:20	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	32d59357	.config	log	report			alexios.zavras@intel.com, benquike@gmail.com, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/14 04:26	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	32d59357	.config	log	report			alexios.zavras@intel.com, allison@lohutok.net, benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de
ci2-upstream-usb	2019/09/12 05:50	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	f4e53c10	.config	log	report			benquike@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.payer@nebelwelt.net, netdev@vger.kernel.org, tglx@linutronix.de
ci2-upstream-usb	2019/09/08 14:51	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	a60cb4cd	.config	log	report			benquike@gmail.com, bigeasy@linutronix.de, davem@davemloft.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, tglx@linutronix.de