bisecting fixing commit since 894d6f401b21865962aba776ecaa918b2f0abaa6
building syzkaller on 6972b10616d785401dea17cec890cca8916424a7
testing commit 894d6f401b21865962aba776ecaa918b2f0abaa6
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: ae0e20cb6b1a76c0e972717daaba0c931241ae9f87df0f506361914de7cb0745
all runs: crashed: WARNING in cxacru_cm/usb_submit_urb
testing current HEAD 4b93c544e90e2b28326182d31ee008eb80e02074
testing commit 4b93c544e90e2b28326182d31ee008eb80e02074
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: a035ea61df4f5591a0f56955042bebf6921bc6633f6e5c69a95c870c9bba53c0
run #0: crashed: WARNING in cxacru_cm/usb_submit_urb
run #1: crashed: WARNING in cxacru_cm/usb_submit_urb
run #2: crashed: WARNING in cxacru_cm/usb_submit_urb
run #3: crashed: WARNING in cxacru_cm/usb_submit_urb
run #4: crashed: WARNING in cxacru_cm/usb_submit_urb
run #5: crashed: WARNING in cxacru_cm/usb_submit_urb
run #6: crashed: WARNING in cxacru_cm/usb_submit_urb
run #7: crashed: WARNING in cxacru_cm/usb_submit_urb
run #8: crashed: WARNING in cxacru_cm/usb_submit_urb
run #9: boot failed: KFENCE: use-after-free in kvm_fastop_exception
revisions tested: 2, total time: 28m23.526447165s (build: 13m37.985763495s, test: 14m12.188145296s)
the crash still happens on HEAD
commit msg: thunderbolt: test: split up test cases in tb_test_credit_alloc_all
crash: WARNING in cxacru_cm/usb_submit_urb
------------[ cut here ]------------
usb 5-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 10873 at drivers/usb/core/urb.c:502 usb_submit_urb+0xb07/0x1680 drivers/usb/core/urb.c:502
Modules linked in:
CPU: 0 PID: 10873 Comm: kworker/0:6 Not tainted 5.14.0-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+0xb07/0x1680 drivers/usb/core/urb.c:502
Code: 4c 24 18 89 4c 24 08 44 89 04 24 e8 33 0d 21 ff 44 8b 04 24 4c 89 e2 48 c7 c7 80 74 60 89 8b 4c 24 08 48 89 c6 e8 65 6a 42 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:ffffc9000c94ee68 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88807a3fe000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff891fd380 RDI: fffff52001929dbf
RBP: ffff88805ecc5c00 R08: 0000000000000001 R09: ffff8880b9e2bf87
R10: ffffed10173c57f0 R11: 3a312d3520627375 R12: ffff8880171073c0
R13: 0000000000000002 R14: 0000000000000002 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4ea7eca000 CR3: 000000005c3c2000 CR4: 00000000001506f0
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
 call_driver_probe drivers/base/dd.c:517 [inline]
 really_probe+0x1c2/0xb60 drivers/base/dd.c:596
 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
 driver_probe_device+0x44/0x110 drivers/base/dd.c:781
 __device_attach_driver+0x185/0x250 drivers/base/dd.c:898
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x1db/0x410 drivers/base/dd.c:969
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0xa5c/0x1e10 drivers/base/core.c:3359
 usb_set_configuration+0xc1d/0x1710 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:517 [inline]
 really_probe+0x1c2/0xb60 drivers/base/dd.c:596
 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
 driver_probe_device+0x44/0x110 drivers/base/dd.c:781