bisecting fixing commit since 324c92e5e0ee0e993bdb106fac407846ed677f6b
building syzkaller on 0740de696b19a870c7208bd97f3194988281c282
testing commit 324c92e5e0ee0e993bdb106fac407846ed677f6b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 3ed861e7c91a7e9fdfe0e952268d5f2954bdbe12c5a9f1d0bff2bfe7aa9b9492
all runs: crashed: WARNING in vmk80xx_auto_attach/usb_submit_urb
testing current HEAD e8a4e1c1bb697b1d9fc48f0e56dc0f50bc024bee
testing commit e8a4e1c1bb697b1d9fc48f0e56dc0f50bc024bee
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d6a67512b4f411ca5631a7b761dbda6b3f5b83ce5acf86eadab14ff7f469b678
all runs: crashed: WARNING in vmk80xx_auto_attach/usb_submit_urb
revisions tested: 2, total time: 21m29.722669927s (build: 13m46.802981035s, test: 6m51.941457073s)
the crash still happens on HEAD
commit msg: Merge tag 'loongarch-fixes-5.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
crash: WARNING in vmk80xx_auto_attach/usb_submit_urb
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 1 PID: 3658 at drivers/usb/core/urb.c:502 usb_submit_urb+0xb07/0x1680 drivers/usb/core/urb.c:502
Modules linked in:
CPU: 1 PID: 3658 Comm: kworker/1:4 Not tainted 5.19.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xb07/0x1680 drivers/usb/core/urb.c:502
Code: 4c 24 18 89 4c 24 08 44 89 04 24 e8 a3 89 1a ff 44 8b 04 24 4c 89 e2 48 c7 c7 00 1a 86 89 8b 4c 24 08 48 89 c6 e8 b1 13 4f 03 <0f> 0b 4c 8b 4c 24 18 e9 c0 fa ff ff 48 8d 7b 1c 48 ba 00 00 00 00
RSP: 0018:ffffc900030aef40 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff888146fd3000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff52000615dda
RBP: ffff88801f1d1400 R08: 0000000000000001 R09: ffff8880b9f2792b
R10: ffffed10173e4f25 R11: 0000000000000001 R12: ffff888015d47c30
R13: 0000000000000002 R14: 0000000000000002 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056077d2aca30 CR3: 0000000073a05000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 usb_start_wait_urb+0xf9/0x450 drivers/usb/core/message.c:58
 vmk80xx_reset_device drivers/comedi/drivers/vmk80xx.c:227 [inline]
 vmk80xx_auto_attach+0x137d/0x19c0 drivers/comedi/drivers/vmk80xx.c:818
 comedi_auto_config+0x138/0x1e0 drivers/comedi/drivers.c:1066
 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:555 [inline]
 really_probe+0x1c1/0xa40 drivers/base/dd.c:634
 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:764
 driver_probe_device+0x44/0x110 drivers/base/dd.c:794
 __device_attach_driver+0x185/0x250 drivers/base/dd.c:917
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x19e/0x440 drivers/base/dd.c:989
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0xa14/0x1b80 drivers/base/core.c:3417
 usb_set_configuration+0xa66/0x18b0 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238
 usb_probe_device+0x95/0x240 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:555 [inline]
 really_probe+0x1c1/0xa40 drivers/base/dd.c:634
 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:764
 driver_probe_device+0x44/0x110 drivers/base/dd.c:794
 __device_attach_driver+0x185/0x250 drivers/base/dd.c:917
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x19e/0x440 drivers/base/dd.c:989
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0xa14/0x1b80 drivers/base/core.c:3417
 usb_new_device.cold+0x5d1/0xeeb drivers/usb/core/hub.c:2566
 hub_port_connect drivers/usb/core/hub.c:5363 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
 port_event drivers/usb/core/hub.c:5663 [inline]
 hub_event+0x114d/0x39d0 drivers/usb/core/hub.c:5745
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
 </TASK>