WARNING in dlfb_submit_urb/usb_submit

WARNING in dlfb_submit_urb/usb_submit_urb
Status: upstream: reported C repro on 2019/07/01 12:37
Reported-by: syzbot+53ce4a4246d0fe0fee34@syzkaller.appspotmail.com
First crash: 612d, last: 3d21h

Cause bisection: introduced by (bisect log) :
commit c61769bd4777a922952aed0d042a2572e5bd9b74
Author: Andrey Konovalov <andreyknvl@google.com>
Date: Thu May 7 17:06:57 2020 +0000

usb: raw-gadget: support stalling/halting/wedging endpoints

Crash: WARNING in dlfb_submit_urb/usb_submit_urb (log)
Repro: C syz .config

Sample crash report:

usb 1-1: Read EDID byte 0 failed: -71
usb 1-1: Unable to get valid EDID from device/display
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 3 != type 1
WARNING: CPU: 1 PID: 3411 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x13b0 drivers/usb/core/urb.c:478
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 3411 Comm: kworker/1:7 Not tainted 5.7.0-rc6-syzkaller #0
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+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:175 [inline]
 fixup_bug arch/x86/kernel/traps.c:170 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:usb_submit_urb+0x1188/0x13b0 drivers/usb/core/urb.c:478
Code: 4d 85 ed 74 2c e8 f8 20 6a fc 4c 89 f7 e8 e0 4a 57 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 4a ab 88 e8 c0 5a 3b fc <0f> 0b e9 20 f4 ff ff e8 cc 20 6a fc 4c 89 f2 48 b8 00 00 00 00 00
RSP: 0018:ffffc9000a2cee48 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815ce7f1 RDI: fffff52001459dbb
RBP: ffff88809ebd78a0 R08: ffff88809c754300 R09: ffffed1015ce66a9
R10: ffff8880ae733547 R11: ffffed1015ce66a8 R12: 0000000000000003
R13: ffff8880a69e7b00 R14: ffff8880a292c0a0 R15: ffff8880a8b8d000
 dlfb_submit_urb+0x89/0x160 drivers/video/fbdev/udlfb.c:1968
 dlfb_set_video_mode+0x2249/0x29b0 drivers/video/fbdev/udlfb.c:315
 dlfb_ops_set_par+0x2a3/0x810 drivers/video/fbdev/udlfb.c:1109
 dlfb_usb_probe.cold+0xefa/0x1cae drivers/video/fbdev/udlfb.c:1731
 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:374
 really_probe+0x281/0x6d0 drivers/base/dd.c:520
 driver_probe_device+0x104/0x210 drivers/base/dd.c:697
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:804
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x21a/0x360 drivers/base/dd.c:870
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0x132d/0x1c10 drivers/base/core.c:2538
 usb_set_configuration+0xec5/0x1740 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241
 usb_probe_device+0xc6/0x1f0 drivers/usb/core/driver.c:272
 really_probe+0x281/0x6d0 drivers/base/dd.c:520
 driver_probe_device+0x104/0x210 drivers/base/dd.c:697
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:804
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x21a/0x360 drivers/base/dd.c:870
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0x132d/0x1c10 drivers/base/core.c:2538
 usb_new_device.cold+0x701/0xfcf drivers/usb/core/hub.c:2554
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x1eca/0x38f0 drivers/usb/core/hub.c:5576
 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:351
Kernel Offset: disabled
Rebooting in 86400 seconds..

Fix bisection attempts:
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-root	2020/10/07 13:18	upstream	c85fb28b	9682898d	.config	log	report	syz	C

Crashes (286):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-root	2020/05/22 20:10	upstream	051143e1	9682898d	.config	log	report	syz	C
ci2-upstream-usb	2020/12/09 13:32	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	b175d273	99917735	.config	log	report	syz	C
ci2-upstream-usb	2020/02/29 08:47	https://github.com/google/kasan.git usb-fuzzer	d6ff8147	c88c7b75	.config	log	report	syz	C
ci2-upstream-usb	2020/02/24 21:03	https://github.com/google/kasan.git usb-fuzzer	d6ff8147	1253d6f0	.config	log	report	syz	C
ci2-upstream-usb	2020/01/23 11:31	https://github.com/google/kasan.git usb-fuzzer	4cc301ee	3334d684	.config	log	report	syz	C
ci2-upstream-usb	2019/12/20 07:15	https://github.com/google/kasan.git usb-fuzzer	ecdf2214	36650b4b	.config	log	report	syz	C
ci2-upstream-usb	2019/12/17 10:11	https://github.com/google/kasan.git usb-fuzzer	4cc037ec	d13d7958	.config	log	report	syz	C
ci2-upstream-usb	2019/12/12 19:52	https://github.com/google/kasan.git usb-fuzzer	4cc037ec	08003f64	.config	log	report	syz	C
ci2-upstream-usb	2019/12/08 01:56	https://github.com/google/kasan.git usb-fuzzer	1f22d15c	1508f453	.config	log	report	syz	C
ci2-upstream-usb	2019/12/04 18:21	https://github.com/google/kasan.git usb-fuzzer	1f22d15c	b2088328	.config	log	report	syz	C
ci2-upstream-usb	2019/11/16 20:59	https://github.com/google/kasan.git usb-fuzzer	46178223	cdac920b	.config	log	report	syz	C
ci2-upstream-usb	2019/11/07 21:33	https://github.com/google/kasan.git usb-fuzzer	d60bbfea	f39aff9e	.config	log	report	syz	C
ci2-upstream-usb	2019/10/30 00:32	https://github.com/google/kasan.git usb-fuzzer	ff6409a6	5ea87a66	.config	log	report	syz	C
ci2-upstream-usb	2019/10/04 06:13	https://github.com/google/kasan.git usb-fuzzer	58d5f26a	fc17ba49	.config	log	report	syz	C
ci2-upstream-usb	2019/09/28 10:49	https://github.com/google/kasan.git usb-fuzzer	2994c077	eb6b9855	.config	log	report	syz	C
ci2-upstream-usb	2019/09/21 11:57	https://github.com/google/kasan.git usb-fuzzer	e0bd8d79	d96e88f3	.config	log	report	syz	C
ci2-upstream-usb	2019/09/14 00:35	https://github.com/google/kasan.git usb-fuzzer	f0df5c1b	32d59357	.config	log	report	syz	C
ci2-upstream-usb	2019/08/26 13:41	https://github.com/google/kasan.git usb-fuzzer	eea39f24	d21c5d9d	.config	log	report	syz	C
ci2-upstream-usb	2019/08/22 07:18	https://github.com/google/kasan.git usb-fuzzer	eea39f24	4ea67ff8	.config	log	report	syz	C
ci2-upstream-usb	2019/08/07 00:04	https://github.com/google/kasan.git usb-fuzzer	e96407b4	da562c0b	.config	log	report	syz	C
ci2-upstream-usb	2019/08/02 22:59	https://github.com/google/kasan.git usb-fuzzer	e96407b4	3faab807	.config	log	report	syz	C
ci2-upstream-usb	2019/08/01 18:14	https://github.com/google/kasan.git usb-fuzzer	e96407b4	835dffe7	.config	log	report	syz	C
ci2-upstream-usb	2019/07/25 06:37	https://github.com/google/kasan.git usb-fuzzer	6a3599ce	32329ceb	.config	log	report	syz	C
ci2-upstream-usb	2019/06/29 01:38	https://github.com/google/kasan.git usb-fuzzer	7829a896	7509bf36	.config	log	report	syz	C
ci2-upstream-usb	2021/02/26 08:19	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	2c87f7a3	76f7fc95	.config	log	report			info	WARNING in dlfb_submit_urb/usb_submit_urb
ci2-upstream-usb	2021/02/22 20:48	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	31caf8b2	c26fb06b	.config	log	report			info	WARNING in dlfb_submit_urb/usb_submit_urb
ci2-upstream-usb	2021/02/05 05:45	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	8dc6e6dd	23a562df	.config	log	report			info	WARNING in dlfb_submit_urb/usb_submit_urb
ci-upstream-kasan-gce	2020/11/22 21:15	upstream	a349e4c6	0d27f508	.config	log	report			info
ci-upstream-kasan-gce-root	2020/06/27 22:18	upstream	1590a2e1	ffec44b5	.config	log	report
ci2-upstream-usb	2021/01/07 15:46	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	841081d8	c104d4a3	.config	log	report			info
ci2-upstream-usb	2021/01/03 09:50	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	cb4d9b52	79264ae3	.config	log	report			info
ci2-upstream-usb	2020/12/25 09:53	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	3644e2d2	b982b3ea	.config	log	report			info
ci2-upstream-usb	2020/12/09 06:59	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	b175d273	40cc414d	.config	log	report			info
ci2-upstream-usb	2020/12/07 00:22	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3541d5d	c521566d	.config	log	report			info
ci2-upstream-usb	2020/12/05 02:29	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3541d5d	20366b87	.config	log	report			info
ci2-upstream-usb	2020/12/03 07:06	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	ebad4326	8c9190ef	.config	log	report			info
ci2-upstream-usb	2020/11/26 01:42	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	93c747ed	3f581b43	.config	log	report			info
ci2-upstream-usb	2020/11/22 17:19	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	52a0372a	0d27f508	.config	log	report			info
ci2-upstream-usb	2020/11/22 01:54	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	52a0372a	0d27f508	.config	log	report			info
ci2-upstream-usb	2020/11/17 04:07	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	0fb2c41f	1bf9a662	.config	log	report			info
ci2-upstream-usb	2020/11/16 03:54	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	56c62080	1bf9a662	.config	log	report			info
ci2-upstream-usb	2020/11/15 15:27	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	56c62080	1bf9a662	.config	log	report			info
ci2-upstream-usb	2020/11/15 13:49	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	56c62080	1bf9a662	.config	log	report			info
ci2-upstream-usb	2020/11/15 11:34	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	56c62080	1bf9a662	.config	log	report			info
ci2-upstream-usb	2020/11/14 07:13	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e7018751	1bf9a662	.config	log	report			info
ci2-upstream-usb	2020/11/13 18:04	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e625f3de	4a7fa9b4	.config	log	report			info
ci2-upstream-usb	2020/11/13 14:43	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	57cde551	4a7fa9b4	.config	log	report			info
ci2-upstream-usb	2020/11/13 03:43	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	57cde551	16fca0c8	.config	log	report			info
ci2-upstream-usb	2020/11/03 15:25	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	35ad0d90	cba33199	.config	log	report			info
ci2-upstream-usb	2020/10/29 14:26	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	aee9ddb1	f24824d3	.config	log	report			info
ci2-upstream-usb	2020/10/24 13:32	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	270315b8	a1839e81	.config	log	report			info
ci2-upstream-usb	2020/10/23 02:01	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	270315b8	4e740c00	.config	log	report			info
ci2-upstream-usb	2020/10/22 06:59	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	270315b8	be6b1582	.config	log	report			info
ci2-upstream-usb	2020/10/21 17:41	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	270315b8	99c64d5c	.config	log	report			info
ci2-upstream-usb	2020/10/16 22:24	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	726eb70e	6e262c73	.config	log	report			info
ci2-upstream-usb	2020/10/16 08:50	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	726eb70e	6e262c73	.config	log	report			info
ci2-upstream-usb	2020/10/16 07:41	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	726eb70e	6e262c73	.config	log	report			info
ci2-upstream-usb	2020/10/12 06:40	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	93578a25	4a77ae0b	.config	log	report			info
ci2-upstream-usb	2020/10/12 03:10	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	93578a25	4a77ae0b	.config	log	report			info
ci2-upstream-usb	2020/10/11 22:18	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	93578a25	4a77ae0b	.config	log	report			info
ci2-upstream-usb	2020/10/09 11:12	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	3bfb8239	fa79ed2a	.config	log	report			info
ci2-upstream-usb	2020/10/08 16:11	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	8dc4bd07	92390980	.config	log	report			info
ci2-upstream-usb	2020/10/08 09:48	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	8dc4bd07	1880b4a9	.config	log	report			info
ci2-upstream-usb	2020/10/07 14:09	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9e858682	1880b4a9	.config	log	report			info
ci2-upstream-usb	2020/08/27 23:04	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	cb06b385	816e0689	.config	log	report
ci2-upstream-usb	2020/08/24 03:32	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	28157b8c	cef5ae68	.config	log	report
ci2-upstream-usb	2020/08/19 02:09	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	28157b8c	e1c29030	.config	log	report
ci2-upstream-usb	2020/08/18 05:40	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9123e3a7	5ce13532	.config	log	report
ci2-upstream-usb	2020/08/10 14:53	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	449dc8c9	7adc7b65	.config	log	report
ci2-upstream-usb	2020/08/09 18:15	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	449dc8c9	70301872	.config	log	report
ci2-upstream-usb	2020/08/08 08:00	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	7b4ea945	ff51e522	.config	log	report
ci2-upstream-usb	2020/08/05 20:30	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	b7129355	.config	log	report
ci-upstream-linux-next-kasan-gce-root	2020/07/08 07:25	linux-next	9e50b94b	51095195	.config	log	report