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WARNING in smsusb_start_streaming

Status: fixed on 2023/09/27 12:10
Reported-by: syzbot+c872c88797a02d52f9d3@syzkaller.appspotmail.com
Fix commit: 8abb53c5167c media: usb: siano: Fix warning due to null work_func_t function pointer
First crash: 493d, last: 493d
Fix bisection: fixed by (bisect log) :
commit 8abb53c5167cfb5bb275512a3da4ec2468478626
Author: Duoming Zhou <duoming@zju.edu.cn>
Date: Mon May 22 23:59:32 2023 +0000

  media: usb: siano: Fix warning due to null work_func_t function pointer

  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/07/20 upstream (ToT) bfa3037d8280 C Didn't crash
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in smsusb_start_streaming usb media C done done 4 504d 504d 0/28 auto-obsoleted due to no activity on 2023/10/15 16:00
linux-5.15 WARNING in smsusb_start_streaming origin:lts-only C error 1 495d 495d 0/3 upstream: reported C repro on 2023/07/16 23:43

Sample crash report:
smsusb:smsusb_probe: board id=7, interface number 0
smsusb:siano_media_device_register: media controller created
smsusb:smsusb_start_streaming: smsusb_submit_urb(...) failed
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Not tainted 6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd41d x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6ea100 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6ea0e8 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 0000000071cdac34 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8352
hardirqs last  enabled at (8351): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8352): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (4180): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (4180): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (4171): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd441 x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6ea220 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6ea208 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8408
hardirqs last  enabled at (8407): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8408): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8396): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8396): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8355): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd465 x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6ea340 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6ea328 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8448
hardirqs last  enabled at (8447): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8448): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8440): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8440): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8411): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd489 x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6ea460 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6ea448 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8486
hardirqs last  enabled at (8485): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8486): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8478): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8478): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8451): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd4ad x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6ea580 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6ea568 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8534
hardirqs last  enabled at (8533): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8534): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8526): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8526): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8489): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd4d1 x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6ea6a0 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6ea688 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8600
hardirqs last  enabled at (8599): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8600): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8592): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8592): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8537): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd4f5 x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6ea7c0 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6ea7a8 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8632
hardirqs last  enabled at (8631): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8632): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8624): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8624): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8603): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd519 x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6ea8e0 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6ea8c8 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8674
hardirqs last  enabled at (8673): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8674): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8666): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8666): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8635): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd53d x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6eaa00 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6ea9e8 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8720
hardirqs last  enabled at (8719): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8720): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8712): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8712): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8677): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da46560
x29: ffff80001da46690 x28: 0000000000000000 x27: ffff80001da467c8
x26: 0000000000000001 x25: 1fffe0001bcdd561 x24: dfff800000000000
x23: ffff700003b48cac x22: ffff0000de6eab20 x21: ffff80001da46580
x20: 0000000000000001 x19: ffff0000de6eab08 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 000000000000eb76
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_start_streaming+0x3a0/0x424 drivers/media/usb/siano/smsusb.c:199
 smsusb_init_device drivers/media/usb/siano/smsusb.c:476 [inline]
 smsusb_probe+0x1378/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8770
hardirqs last  enabled at (8769): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8770): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8762): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8762): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8723): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
smsusb:smsusb_init_device: smsusb_start_streaming(...) failed
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd41d x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6ea100 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6ea0e8 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8846
hardirqs last  enabled at (8845): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8846): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8826): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8826): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8773): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd441 x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6ea220 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6ea208 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8880
hardirqs last  enabled at (8879): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8880): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8872): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8872): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8849): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd465 x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6ea340 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6ea328 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8928
hardirqs last  enabled at (8927): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8928): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8920): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8920): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8883): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd489 x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6ea460 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6ea448 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 8970
hardirqs last  enabled at (8969): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (8970): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8962): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8962): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8931): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd4ad x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6ea580 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6ea568 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 9010
hardirqs last  enabled at (9009): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (9010): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (9002): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (9002): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (8973): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd4d1 x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6ea6a0 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6ea688 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 9044
hardirqs last  enabled at (9043): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (9044): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (9036): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (9036): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (9013): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd4f5 x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6ea7c0 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6ea7a8 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 9104
hardirqs last  enabled at (9103): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (9104): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (9096): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (9096): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (9047): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd519 x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6ea8e0 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6ea8c8 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 9146
hardirqs last  enabled at (9145): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (9146): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (9138): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (9138): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (9107): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd53d x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6eaa00 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6ea9e8 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 9190
hardirqs last  enabled at (9189): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (9190): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (9182): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (9182): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (9149): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4230 at kernel/workqueue.c:3066 __flush_work+0x1b4/0x1c0
Modules linked in:
CPU: 1 PID: 4230 Comm: kworker/1:4 Tainted: G        W          6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: usb_hub_wq hub_event
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __flush_work+0x1b4/0x1c0
lr : __flush_work+0x1b0/0x1c0 kernel/workqueue.c:3066
sp : ffff80001da465a0
x29: ffff80001da466d0 x28: 0000000000000000 x27: ffff80001da46808
x26: 0000001fffffffc1 x25: 1fffe0001bcdd561 x24: dfff800000000000
x23: ffff700003b48cb4 x22: ffff0000de6eab20 x21: ffff80001da465c0
x20: 0000000000000001 x19: ffff0000de6eab08 x18: ffff80001da46460
x17: 0000000000000000 x16: ffff80001205d140 x15: 0000000000000000
x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000000005
x11: ff80800008218204 x10: 0000000000000000 x9 : ffff800008218204
x8 : ffff0000c977d340 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __flush_work+0x1b4/0x1c0
 __cancel_work_timer+0x3ec/0x548 kernel/workqueue.c:3160
 cancel_work_sync+0x24/0x38 kernel/workqueue.c:3196
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0x98/0x1cc drivers/media/usb/siano/smsusb.c:344
 smsusb_probe+0x1418/0x1a0c drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:783
 driver_probe_device+0x78/0x330 drivers/base/dd.c:813
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:941
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:427
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1013
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1062
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:487
 device_add+0xae0/0xef4 drivers/base/core.c:3664
 usb_new_device+0x904/0x142c drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x23dc/0x44a0 drivers/usb/core/hub.c:5737
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 9226
hardirqs last  enabled at (9225): [<ffff8000082185fc>] __cancel_work_timer+0x3b0/0x548 kernel/workqueue.c:3153
hardirqs last disabled at (9226): [<ffff80001210cb4c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (9218): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (9218): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (9193): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
smsusb:smsusb_probe: Device initialized with return code -22
smsusb: probe of 1-1:253.0 failed with error -22
smsusb:smsusb_probe: board id=7, interface number 188
usb 1-1: USB disconnect, device number 2

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/19 05:29 linux-6.1.y 61fd484b2cf6 022df2bb .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in smsusb_start_streaming
* Struck through repros no longer work on HEAD.