bisecting fixing commit since 291009f656e8eaebbdfd3a8d99f6b190a9ce9deb
building syzkaller on a5f86b15f4f60350198e4b98fb7451d45d38a186
testing commit 291009f656e8eaebbdfd3a8d99f6b190a9ce9deb with gcc (GCC) 10.2.1 20210217
kernel signature: 84293c503d70ba330eb747ecf755802154629e6c70c64af49c773d9af3b8f5cc
all runs: crashed: WARNING in cxacru_cm/usb_submit_urb
testing current HEAD 9cdbf6467424045617cd6e79dcaad06bb8efa31c
testing commit 9cdbf6467424045617cd6e79dcaad06bb8efa31c with gcc (GCC) 10.2.1 20210217
kernel signature: e92e369fa780da417e631d499356dc4e59b172b9190cf008e98ee77f969e12af
all runs: crashed: WARNING in cxacru_cm/usb_submit_urb
revisions tested: 2, total time: 21m5.560227972s (build: 13m19.568008009s, test: 7m5.524567537s)
the crash still happens on HEAD
commit msg: Merge tag 'io_uring-5.12-2021-04-16' of git://git.kernel.dk/linux-block
crash: WARNING in cxacru_cm/usb_submit_urb
usb 3-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 1 PID: 8703 at drivers/usb/core/urb.c:493 usb_submit_urb+0x9fb/0x1270 drivers/usb/core/urb.c:493
Modules linked in:
CPU: 1 PID: 8703 Comm: kworker/1:4 Not tainted 5.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x9fb/0x1270 drivers/usb/core/urb.c:493
Code: 00 4c 89 5c 24 18 44 89 44 24 10 e8 bf a5 25 ff 44 8b 44 24 10 44 89 f9 4c 89 ea 48 89 c6 48 c7 c7 a0 d2 3a 89 e8 09 a9 32 03 <0f> 0b 4c 8b 5c 24 18 e9 bd fa ff ff 48 8d 7d 1c 48 ba 00 00 00 00
RSP: 0018:ffffc90001d6ef30 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff88fb9c80 RDI: fffff520003addd8
RBP: ffff888025dbf000 R08: 0000000000000001 R09: ffff8880ba1301a7
R10: ffffed1017426034 R11: 0000000000000001 R12: ffff888140ee1d00
R13: ffff88801075c550 R14: 0000000000000001 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb9cb30d358 CR3: 0000000012fea000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 cxacru_cm+0x37c/0x780 drivers/usb/atm/cxacru.c:649
 cxacru_card_status+0x1c/0xc0 drivers/usb/atm/cxacru.c:760
 cxacru_bind+0x728/0x1260 drivers/usb/atm/cxacru.c:1209
 usbatm_usb_probe+0x2be/0x1970 drivers/usb/atm/usbatm.c:1055
 cxacru_usb_probe+0xc3/0x1c0 drivers/usb/atm/cxacru.c:1363
 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396
 really_probe+0x1fd/0xc60 drivers/base/dd.c:559
 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:745
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431
 __device_attach+0x1db/0x400 drivers/base/dd.c:919
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491
 device_add+0x9eb/0x1ad0 drivers/base/core.c:3242
 usb_set_configuration+0x9fc/0x1750 drivers/usb/core/message.c:2164
 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238
 usb_probe_device+0x98/0x240 drivers/usb/core/driver.c:293
 really_probe+0x1fd/0xc60 drivers/base/dd.c:559
 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:745
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431
 __device_attach+0x1db/0x400 drivers/base/dd.c:919
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491
 device_add+0x9eb/0x1ad0 drivers/base/core.c:3242
 usb_new_device.cold+0x69a/0xee1 drivers/usb/core/hub.c:2555
 hub_port_connect drivers/usb/core/hub.c:5223 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x10a3/0x36b0 drivers/usb/core/hub.c:5591
 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275
 worker_thread+0x598/0xf80 kernel/workqueue.c:2421
 kthread+0x36f/0x450 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294