usb 2-1: Please update to version 0.2 or newer
usb 2-1: USB disconnect, device number 2
=============================
WARNING: suspicious RCU usage
6.12.0-rc6-syzkaller-00169-g906bd684e4b1-dirty #0 Not tainted
-----------------------------
net/mac802154/iface.c:700 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
6 locks held by kworker/1:5/5934:
#0: ffff888144284548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff888144284548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc900042f7d00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900042f7d00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffff888145704190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff888145704190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849
#3: ffff888077b13190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff888077b13190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x103/0x950 drivers/usb/core/hub.c:2295
#4: ffff888022f63160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#4: ffff888022f63160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff888022f63160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1293
#5: ffffffff8fcc1408 (rtnl_mutex){+.+.}-{3:3}, at: ieee802154_unregister_hw+0x54/0xd0 net/mac802154/main.c:277
stack backtrace:
CPU: 1 UID: 0 PID: 5934 Comm: kworker/1:5 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x226/0x340 kernel/locking/lockdep.c:6821
ieee802154_remove_interfaces+0x2e8/0x2f0 net/mac802154/iface.c:700
ieee802154_unregister_hw+0x5c/0xd0 net/mac802154/main.c:279
atusb_disconnect+0x152/0x260 drivers/net/ieee802154/atusb.c:1077
usb_unbind_interface+0x25e/0x940 drivers/usb/core/driver.c:461
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1273 [inline]
device_release_driver_internal+0x503/0x7c0 drivers/base/dd.c:1296
bus_remove_device+0x34f/0x420 drivers/base/bus.c:576
device_del+0x57a/0x9b0 drivers/base/core.c:3861
usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1418
usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2304
hub_port_connect drivers/usb/core/hub.c:5361 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x1ebc/0x5150 drivers/usb/core/hub.c:5903
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
=============================
WARNING: suspicious RCU usage
6.12.0-rc6-syzkaller-00169-g906bd684e4b1-dirty #0 Not tainted
-----------------------------
net/mac802154/iface.c:700 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
6 locks held by kworker/1:5/5934:
#0: ffff888144284548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff888144284548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc900042f7d00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900042f7d00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffff888145704190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff888145704190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849
#3: ffff888077b13190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff888077b13190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x103/0x950 drivers/usb/core/hub.c:2295
#4: ffff888022f63160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#4: ffff888022f63160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff888022f63160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1293
#5: ffffffff8fcc1408 (rtnl_mutex){+.+.}-{3:3}, at: ieee802154_unregister_hw+0x54/0xd0 net/mac802154/main.c:277
stack backtrace:
CPU: 1 UID: 0 PID: 5934 Comm: kworker/1:5 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x226/0x340 kernel/locking/lockdep.c:6821
ieee802154_remove_interfaces+0x272/0x2f0 net/mac802154/iface.c:700
ieee802154_unregister_hw+0x5c/0xd0 net/mac802154/main.c:279
atusb_disconnect+0x152/0x260 drivers/net/ieee802154/atusb.c:1077
usb_unbind_interface+0x25e/0x940 drivers/usb/core/driver.c:461
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1273 [inline]
device_release_driver_internal+0x503/0x7c0 drivers/base/dd.c:1296
bus_remove_device+0x34f/0x420 drivers/base/bus.c:576
device_del+0x57a/0x9b0 drivers/base/core.c:3861
usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1418
usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2304
hub_port_connect drivers/usb/core/hub.c:5361 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x1ebc/0x5150 drivers/usb/core/hub.c:5903
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
usb 2-1: new high-speed USB device number 3 using dummy_hcd
usb 2-1: New USB device found, idVendor=20b7, idProduct=1540, bcdDevice=b7.5a
usb 2-1: New USB device strings: Mfr=210, Product=154, SerialNumber=3
usb 2-1: Product: syz
usb 2-1: Manufacturer: syz
usb 2-1: SerialNumber: syz
usb 2-1: config 0 descriptor??
usb 2-1: Firmware version (0.0) predates our first public release.
usb 2-1: Please update to version 0.2 or newer
usb 2-1: USB disconnect, device number 3
usb 4-1: new high-speed USB device number 5 using dummy_hcd
usb 4-1: New USB device found, idVendor=20b7, idProduct=1540, bcdDevice=b7.5a
usb 4-1: New USB device strings: Mfr=210, Product=154, SerialNumber=3
usb 4-1: Product: syz
usb 4-1: Manufacturer: syz
usb 4-1: SerialNumber: syz
usb 4-1: config 0 descriptor??
usb 4-1: Firmware version (0.0) predates our first public release.
usb 4-1: Please update to version 0.2 or newer
usb 4-1: USB disconnect, device number 5
usb 4-1: new high-speed USB device number 6 using dummy_hcd
usb 4-1: New USB device found, idVendor=20b7, idProduct=1540, bcdDevice=b7.5a
usb 4-1: New USB device strings: Mfr=210, Product=154, SerialNumber=3
usb 4-1: Product: syz
usb 4-1: Manufacturer: syz
usb 4-1: SerialNumber: syz
usb 4-1: config 0 descriptor??
usb 4-1: Firmware version (0.0) predates our first public release.
usb 4-1: Please update to version 0.2 or newer
usb 4-1: USB disconnect, device number 6
usb 5-1: new high-speed USB device number 8 using dummy_hcd
usb 5-1: New USB device found, idVendor=20b7, idProduct=1540, bcdDevice=b7.5a
usb 5-1: New USB device strings: Mfr=210, Product=154, SerialNumber=3
usb 5-1: Product: syz
usb 5-1: Manufacturer: syz
usb 5-1: SerialNumber: syz
usb 5-1: config 0 descriptor??
usb 5-1: Firmware version (0.0) predates our first public release.
usb 5-1: Please update to version 0.2 or newer
usb 5-1: USB disconnect, device number 8