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) 2.35.2 kernel signature: cf6f89bc3141133b6dbef00a8a74cc4ca9e43c64b524fc869b69712b0ab3d901 all runs: crashed: WARNING in cxacru_cm/usb_submit_urb testing current HEAD 5a29232d870d9e63fe5ff30b081be6ea7cc2465d testing commit 5a29232d870d9e63fe5ff30b081be6ea7cc2465d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 9f4f8fd47e102503e9e907f40025a4a7ecfdfa876d588a521478ea5b85ea07d1 all runs: crashed: WARNING in cxacru_cm/usb_submit_urb revisions tested: 2, total time: 19m48.910963443s (build: 12m39.196426137s, test: 6m17.478864591s) the crash still happens on HEAD commit msg: Merge tag 'for-5.19-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux crash: WARNING in cxacru_cm/usb_submit_urb usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 1 PID: 3652 at drivers/usb/core/urb.c:502 usb_submit_urb+0xb07/0x1680 drivers/usb/core/urb.c:502 Modules linked in: CPU: 1 PID: 3652 Comm: kworker/1:4 Not tainted 5.19.0-rc6-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 d3 8e 1a ff 44 8b 04 24 4c 89 e2 48 c7 c7 e0 e7 85 89 8b 4c 24 08 48 89 c6 e8 25 17 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:ffffc90002d3ee68 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88801bf6c000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff8943a2e0 RDI: fffff520005a7dbf RBP: ffff88801123f900 R08: 0000000000000001 R09: ffff8880b9f34007 R10: ffffed10173e6800 R11: 0000000000000001 R12: ffff88801e1c0b80 R13: 0000000000000002 R14: 0000000000000002 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005640a60b6148 CR3: 000000001b548000 CR4: 00000000003506e0 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+0x2c4/0x19d0 drivers/usb/atm/usbatm.c:1057 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: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:3428 usb_set_configuration+0xc91/0x1840 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:3428 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