ci starts bisection 2023-05-04 10:43:30.93374365 +0000 UTC m=+41.270051877 bisecting fixing commit since ed4643521e6af8ab8ed1e467630a85884d2696cf building syzkaller on 89bc860804252dbacb8c2bea60b9204859f4afd7 ensuring issue is reproducible on original commit ed4643521e6af8ab8ed1e467630a85884d2696cf testing commit ed4643521e6af8ab8ed1e467630a85884d2696cf gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 76bce3289af78130dad170b1394e30365a491b0b0ea9e06b3b7564c7494a8592 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: EOF run #1: crashed: INFO: task hung in netdev_run_todo run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in r871xu_dev_remove run #5: crashed: INFO: task hung in r871xu_dev_remove run #6: crashed: INFO: task hung in netdev_run_todo run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in linkwatch_event run #9: crashed: INFO: task hung in r871xu_dev_remove run #10: crashed: INFO: task hung in r871xu_dev_remove run #11: crashed: INFO: task hung in r871xu_dev_remove run #12: crashed: INFO: task hung in r871xu_dev_remove run #13: crashed: INFO: task hung in r871xu_dev_remove run #14: crashed: INFO: task hung in netdev_run_todo run #15: crashed: INFO: task hung in netdev_run_todo run #16: crashed: INFO: task hung in r871xu_dev_remove run #17: crashed: INFO: task hung in r871xu_dev_remove run #18: crashed: INFO: task hung in r871xu_dev_remove run #19: crashed: INFO: task hung in r871xu_dev_remove testing current HEAD 1a5304fecee523060f26e2778d9d8e33c0562df3 testing commit 1a5304fecee523060f26e2778d9d8e33c0562df3 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3d4dc873c688b1d0f8befb6a14539f6bde31813596a27fe41f968c11f0f719ca run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: EOF run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: EOF run #2: crashed: INFO: task hung in r871xu_dev_remove run #3: crashed: INFO: task hung in r871xu_dev_remove run #4: crashed: INFO: task hung in r871xu_dev_remove run #5: crashed: INFO: task hung in r871xu_dev_remove run #6: crashed: INFO: task hung in r871xu_dev_remove run #7: crashed: INFO: task hung in r871xu_dev_remove run #8: crashed: INFO: task hung in r871xu_dev_remove run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor3071547415" "root@10.128.10.6:./syz-executor3071547415"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.6 port 22 timed out lost connection revisions tested: 2, total time: 33m29.43471793s (build: 14m52.714562287s, test: 17m27.707259844s) the crash still happens on HEAD commit msg: Merge tag 'parisc-for-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux crash: INFO: task hung in r871xu_dev_remove INFO: task kworker/0:0:7 blocked for more than 143 seconds. Not tainted 6.3.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:24792 pid:7 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc25/0x57f0 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747 unregister_netdev+0xd/0x20 net/core/dev.c:10955 r871xu_dev_remove+0x22c/0x400 drivers/staging/rtl8712/usb_intf.c:597 usb_unbind_interface+0x187/0x7f0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x368/0x530 drivers/base/dd.c:1295 bus_remove_device+0x1ed/0x3f0 drivers/base/bus.c:574 device_del+0x340/0x910 drivers/base/core.c:3814 usb_disable_device+0x2a6/0x660 drivers/usb/core/message.c:1420 usb_disconnect+0x269/0x870 drivers/usb/core/hub.c:2238 hub_port_connect drivers/usb/core/hub.c:5246 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x17f7/0x4240 drivers/usb/core/hub.c:5793 process_one_work+0x86e/0x1410 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0x766/0xf00 kernel/workqueue.c:2554 kthread+0x2ea/0x3c0 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task kworker/0:1:9 blocked for more than 143 seconds. Not tainted 6.3.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:24944 pid:9 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc25/0x57f0 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_timeout+0x22d/0x270 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 r871xu_dev_remove+0x6f/0x400 drivers/staging/rtl8712/usb_intf.c:595 usb_unbind_interface+0x187/0x7f0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x368/0x530 drivers/base/dd.c:1295 bus_remove_device+0x1ed/0x3f0 drivers/base/bus.c:574 device_del+0x340/0x910 drivers/base/core.c:3814 usb_disable_device+0x2a6/0x660 drivers/usb/core/message.c:1420 usb_disconnect+0x269/0x870 drivers/usb/core/hub.c:2238 hub_port_connect drivers/usb/core/hub.c:5246 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x17f7/0x4240 drivers/usb/core/hub.c:5793 process_one_work+0x86e/0x1410 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0x766/0xf00 kernel/workqueue.c:2554 kthread+0x2ea/0x3c0 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task kworker/0:4:4956 blocked for more than 143 seconds. Not tainted 6.3.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:4 state:D stack:24480 pid:4956 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc25/0x57f0 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_timeout+0x22d/0x270 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 r871xu_dev_remove+0x6f/0x400 drivers/staging/rtl8712/usb_intf.c:595 usb_unbind_interface+0x187/0x7f0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x368/0x530 drivers/base/dd.c:1295 bus_remove_device+0x1ed/0x3f0 drivers/base/bus.c:574 device_del+0x340/0x910 drivers/base/core.c:3814 usb_disable_device+0x2a6/0x660 drivers/usb/core/message.c:1420 usb_disconnect+0x269/0x870 drivers/usb/core/hub.c:2238 hub_port_connect drivers/usb/core/hub.c:5246 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x17f7/0x4240 drivers/usb/core/hub.c:5793 process_one_work+0x86e/0x1410 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0x766/0xf00 kernel/workqueue.c:2554 kthread+0x2ea/0x3c0 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task kworker/0:5:4957 blocked for more than 144 seconds. Not tainted 6.3.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:24944 pid:4957 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc25/0x57f0 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_timeout+0x22d/0x270 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 r871xu_dev_remove+0x6f/0x400 drivers/staging/rtl8712/usb_intf.c:595 usb_unbind_interface+0x187/0x7f0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x368/0x530 drivers/base/dd.c:1295 bus_remove_device+0x1ed/0x3f0 drivers/base/bus.c:574 device_del+0x340/0x910 drivers/base/core.c:3814 usb_disable_device+0x2a6/0x660 drivers/usb/core/message.c:1420 usb_disconnect+0x269/0x870 drivers/usb/core/hub.c:2238 hub_port_connect drivers/usb/core/hub.c:5246 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x17f7/0x4240 drivers/usb/core/hub.c:5793 process_one_work+0x86e/0x1410 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0x766/0xf00 kernel/workqueue.c:2554 kthread+0x2ea/0x3c0 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task kworker/1:5:5346 blocked for more than 144 seconds. Not tainted 6.3.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:5 state:D stack:24808 pid:5346 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc25/0x57f0 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_timeout+0x22d/0x270 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 r871xu_dev_remove+0x6f/0x400 drivers/staging/rtl8712/usb_intf.c:595 usb_unbind_interface+0x187/0x7f0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x368/0x530 drivers/base/dd.c:1295 bus_remove_device+0x1ed/0x3f0 drivers/base/bus.c:574 device_del+0x340/0x910 drivers/base/core.c:3814 usb_disable_device+0x2a6/0x660 drivers/usb/core/message.c:1420 usb_disconnect+0x269/0x870 drivers/usb/core/hub.c:2238 hub_port_connect drivers/usb/core/hub.c:5246 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x17f7/0x4240 drivers/usb/core/hub.c:5793 process_one_work+0x86e/0x1410 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0x766/0xf00 kernel/workqueue.c:2554 kthread+0x2ea/0x3c0 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task kworker/0:8:5348 blocked for more than 144 seconds. Not tainted 6.3.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:8 state:D stack:24576 pid:5348 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc25/0x57f0 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_timeout+0x22d/0x270 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 r871xu_dev_remove+0x6f/0x400 drivers/staging/rtl8712/usb_intf.c:595 usb_unbind_interface+0x187/0x7f0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x368/0x530 drivers/base/dd.c:1295 bus_remove_device+0x1ed/0x3f0 drivers/base/bus.c:574 device_del+0x340/0x910 drivers/base/core.c:3814 usb_disable_device+0x2a6/0x660 drivers/usb/core/message.c:1420 usb_disconnect+0x269/0x870 drivers/usb/core/hub.c:2238 hub_port_connect drivers/usb/core/hub.c:5246 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x17f7/0x4240 drivers/usb/core/hub.c:5793 process_one_work+0x86e/0x1410 kernel/workqueue.c:2405 process_scheduled_works kernel/workqueue.c:2468 [inline] worker_thread+0x766/0xf00 kernel/workqueue.c:2554 kthread+0x2ea/0x3c0 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Showing all locks held in the system: 6 locks held by kworker/0:0/7: #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc900000c7dc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffff88801f13d190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #2: ffff88801f13d190 (&dev->mutex){....}-{3:3}, at: hub_event+0x126/0x4240 drivers/usb/core/hub.c:5739 #3: ffff888071dc9190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #3: ffff888071dc9190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xeb/0x870 drivers/usb/core/hub.c:2229 #4: ffff88807c8c4160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff88807c8c4160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88807c8c4160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 #5: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0xd/0x20 net/core/dev.c:10955 5 locks held by kworker/0:1/9: #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc900000e7dc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffff8881475e5190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #2: ffff8881475e5190 (&dev->mutex){....}-{3:3}, at: hub_event+0x126/0x4240 drivers/usb/core/hub.c:5739 #3: ffff88806ab19190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #3: ffff88806ab19190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xeb/0x870 drivers/usb/core/hub.c:2229 #4: ffff88806c812160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff88806c812160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88806c812160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 1 lock held by rcu_tasks_kthre/13: #0: ffffffff8b186ff0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518 1 lock held by rcu_tasks_trace/14: #0: ffffffff8b186cf0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518 1 lock held by khungtaskd/28: #0: ffffffff8b187c00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6545 3 locks held by kworker/0:2/892: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc90004be7dc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 3 locks held by kworker/0:3/2489: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc9000b24fdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 3 locks held by kworker/1:2/4360: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc9000612fdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 2 locks held by dhcpcd/4614: #0: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x186/0x17a0 net/ipv4/devinet.c:1074 #1: ffff888076754df0 (&padapter->mutex_start){+.+.}-{3:3}, at: netdev_open+0x34/0x5f0 drivers/staging/rtl8712/os_intfs.c:391 2 locks held by getty/4696: #0: ffff8880297e2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xb73/0x1040 drivers/tty/n_tty.c:2176 5 locks held by kworker/0:4/4956: #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc9000382fdc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffff88801f125190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #2: ffff88801f125190 (&dev->mutex){....}-{3:3}, at: hub_event+0x126/0x4240 drivers/usb/core/hub.c:5739 #3: ffff88806c00e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #3: ffff88806c00e190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xeb/0x870 drivers/usb/core/hub.c:2229 #4: ffff88801d845160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff88801d845160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88801d845160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 5 locks held by kworker/0:5/4957: #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc9000383fdc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffff88801f18d190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #2: ffff88801f18d190 (&dev->mutex){....}-{3:3}, at: hub_event+0x126/0x4240 drivers/usb/core/hub.c:5739 #3: ffff88806d2da190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #3: ffff88806d2da190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xeb/0x870 drivers/usb/core/hub.c:2229 #4: ffff88806ac2f160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff88806ac2f160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88806ac2f160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 3 locks held by kworker/1:4/5009: #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc900037dfdc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xd/0x20 net/ipv6/addrconf.c:4630 4 locks held by udevd/5301: #0: ffff88802835fd58 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc2/0x10f0 fs/seq_file.c:182 #1: ffff8880273d2888 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff888075721bd0 (kn->active#29){++++}-{0:0}, at: kernfs_seq_start+0x67/0x390 fs/kernfs/file.c:155 #3: ffff88806ab19190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:842 [inline] #3: ffff88806ab19190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 3 locks held by kworker/0:6/5345: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc90004e7fdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 5 locks held by kworker/1:5/5346: #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc90004e9fdc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffff88801f025190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #2: ffff88801f025190 (&dev->mutex){....}-{3:3}, at: hub_event+0x126/0x4240 drivers/usb/core/hub.c:5739 #3: ffff888071de5190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #3: ffff888071de5190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xeb/0x870 drivers/usb/core/hub.c:2229 #4: ffff888025b07160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff888025b07160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff888025b07160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 3 locks held by kworker/0:7/5347: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc90004ebfdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 5 locks held by kworker/0:8/5348: #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888015d50138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc90004edfdc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffff8881475cd190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #2: ffff8881475cd190 (&dev->mutex){....}-{3:3}, at: hub_event+0x126/0x4240 drivers/usb/core/hub.c:5739 #3: ffff88807c2f2190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #3: ffff88807c2f2190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xeb/0x870 drivers/usb/core/hub.c:2229 #4: ffff88807eee0160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff88807eee0160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88807eee0160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x8c/0x530 drivers/base/dd.c:1292 3 locks held by kworker/1:6/5353: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc90004f0fdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 3 locks held by kworker/1:8/5410: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc9000510fdc0 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0x9/0x20 net/switchdev/switchdev.c:75 3 locks held by kworker/0:9/5419: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc9000519fdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 3 locks held by kworker/0:10/5420: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc900051afdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 3 locks held by kworker/0:11/5424: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc900050ffdc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 4 locks held by udevd/5427: #0: ffff88802776dd58 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc2/0x10f0 fs/seq_file.c:182 #1: ffff88806bbc8488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff8880203c5e88 (kn->active#29){++++}-{0:0}, at: kernfs_seq_start+0x67/0x390 fs/kernfs/file.c:155 #3: ffff88806c00e190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:842 [inline] #3: ffff88806c00e190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 4 locks held by udevd/6144: #0: ffff888077b1d1c8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc2/0x10f0 fs/seq_file.c:182 #1: ffff888076445c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff888025b27008 (kn->active#29){++++}-{0:0}, at: kernfs_seq_start+0x67/0x390 fs/kernfs/file.c:155 #3: ffff88806d2da190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:842 [inline] #3: ffff88806d2da190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x1f/0x80 drivers/usb/core/sysfs.c:142 3 locks held by kworker/0:12/6300: #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff88814a367938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc9000ac07dc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xd/0x20 net/ipv6/addrconf.c:4630 3 locks held by kworker/0:13/6301: #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline] #0: ffff888010470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376 #1: ffffc90009a77dc0 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380 #2: ffffffff8c900028 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0xf/0x40 net/core/dev.c:10211 4 locks held by udevd/6540: #0: ffff88806e122e80 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xc2/0x10f0 fs/seq_file.c:182 #1: ffff8880232fa088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x44/0x390 fs/kernfs/file.c:154 #2: ffff888069ffdae8 (kn->active#33){.+.+}-{0:0}, at: kernfs_seq_start+0x67/0x390 fs/kernfs/file.c:155 #3: ffff888071dc9190 (&dev->mutex){....}-{3:3}, at: dev_get_drvdata include/linux/device.h:763 [inline] #3: ffff888071dc9190 (&dev->mutex){....}-{3:3}, at: serial_show+0x1f/0x80 drivers/nvme/host/core.c:3564 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.3.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x64/0xb0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x175/0x200 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x1bc/0x200 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0x9f9/0xcf0 kernel/hung_task.c:379 kthread+0x2ea/0x3c0 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:112