INFO: task kworker/1:1:45 blocked for more than 430 seconds. Not tainted 6.10.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:0 pid:45 tgid:45 ppid:2 flags:0x00000000 Workqueue: events rfkill_global_led_trigger_worker Call trace: [<818f4f78>] (__schedule) from [<818f5b7c>] (__schedule_loop kernel/sched/core.c:6822 [inline]) [<818f4f78>] (__schedule) from [<818f5b7c>] (schedule+0x2c/0xfc kernel/sched/core.c:6837) r10:82c16205 r9:00000000 r8:827df078 r7:00000002 r6:df919e74 r5:82f48c00 r4:82f48c00 [<818f5b50>] (schedule) from [<818f618c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894) r5:82f48c00 r4:827df074 [<818f6174>] (schedule_preempt_disabled) from [<818f8a74>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818f6174>] (schedule_preempt_disabled) from [<818f8a74>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818f878c>] (__mutex_lock.constprop.0) from [<818f9340>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:82f48c00 r8:01800000 r7:ddde40c0 r6:82c16200 r5:82918064 r4:827df074 [<818f932c>] (__mutex_lock_slowpath) from [<818f9380>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818f9344>] (mutex_lock) from [<817ff340>] (rfkill_global_led_trigger_worker+0x1c/0xc0 net/rfkill/core.c:182) [<817ff324>] (rfkill_global_led_trigger_worker) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231) r5:82918064 r4:82fb4500 [<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393) r10:82f48c00 r9:82fb452c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0 r4:82fb4500 [<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df87de90 r8:82fb5740 r7:82fb4500 r6:80267c04 r5:82f48c00 r4:82fb54c0 [<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf919fb0 to 0xdf919ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:82fb54c0 INFO: task kworker/1:3:1581 blocked for more than 430 seconds. Not tainted 6.10.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:1581 tgid:1581 ppid:2 flags:0x00000000 Workqueue: events rfkill_op_handler Call trace: [<818f4f78>] (__schedule) from [<818f5b7c>] (__schedule_loop kernel/sched/core.c:6822 [inline]) [<818f4f78>] (__schedule) from [<818f5b7c>] (schedule+0x2c/0xfc kernel/sched/core.c:6837) r10:82c16215 r9:00000000 r8:84413460 r7:00000002 r6:eaea1de4 r5:83716c00 r4:83716c00 [<818f5b50>] (schedule) from [<818f618c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894) r5:83716c00 r4:8441345c [<818f6174>] (schedule_preempt_disabled) from [<818f8a74>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818f6174>] (schedule_preempt_disabled) from [<818f8a74>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818f878c>] (__mutex_lock.constprop.0) from [<818f9340>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16215 r9:83716c00 r8:01800000 r7:00000000 r6:00000001 r5:8441345c r4:84413400 [<818f932c>] (__mutex_lock_slowpath) from [<818f9380>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818f9344>] (mutex_lock) from [<81844aa0>] (device_lock include/linux/device.h:1009 [inline]) [<818f9344>] (mutex_lock) from [<81844aa0>] (nfc_dev_down+0x20/0xc8 net/nfc/core.c:143) [<81844a80>] (nfc_dev_down) from [<81844b74>] (nfc_rfkill_set_block+0x2c/0x68 net/nfc/core.c:179) r7:00000000 r6:00000001 r5:84413400 r4:00000001 [<81844b48>] (nfc_rfkill_set_block) from [<81800158>] (rfkill_set_block+0x90/0x144 net/rfkill/core.c:346) r5:00000001 r4:84411c00 [<818000c8>] (rfkill_set_block) from [<81800f9c>] (rfkill_epo+0x54/0x9c net/rfkill/core.c:466) r7:00000000 r6:82918094 r5:827df088 r4:84411c00 [<81800f48>] (rfkill_epo) from [<81801228>] (__rfkill_handle_global_op net/rfkill/input.c:60 [inline]) [<81800f48>] (rfkill_epo) from [<81801228>] (rfkill_op_handler+0x168/0x194 net/rfkill/input.c:108) r5:82918094 r4:00000000 [<818010c0>] (rfkill_op_handler) from [<802671bc>] (process_one_work+0x1c4/0x510 kernel/workqueue.c:3231) r8:01800000 r7:ddde40c0 r6:82c16200 r5:827df1a0 r4:83f38600 [<80266ff8>] (process_one_work) from [<80267df0>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80266ff8>] (process_one_work) from [<80267df0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3393) r10:83716c00 r9:83f3862c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0 r4:83f38600 [<80267c04>] (worker_thread) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df919e90 r8:83dff000 r7:83f38600 r6:80267c04 r5:83716c00 r4:83f3c740 [<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134) Exception stack(0xeaea1fb0 to 0xeaea1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:83f3c740 INFO: task syz-executor.0:5041 blocked for more than 430 seconds. Not tainted 6.10.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:0 pid:5041 tgid:5041 ppid:3463 flags:0x00000005 Call trace: [<818f4f78>] (__schedule) from [<818f5b7c>] (__schedule_loop kernel/sched/core.c:6822 [inline]) [<818f4f78>] (__schedule) from [<818f5b7c>] (schedule+0x2c/0xfc kernel/sched/core.c:6837) r10:00000006 r9:00000000 r8:827df078 r7:00000002 r6:e068de74 r5:82e4ec00 r4:82e4ec00 [<818f5b50>] (schedule) from [<818f618c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6894) r5:82e4ec00 r4:827df074 [<818f6174>] (schedule_preempt_disabled) from [<818f8a74>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818f6174>] (schedule_preempt_disabled) from [<818f8a74>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818f878c>] (__mutex_lock.constprop.0) from [<818f9340>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:00000006 r9:82e4ec00 r8:84c7d010 r7:840e4800 r6:840e4824 r5:84411e40 r4:84411c00 [<818f932c>] (__mutex_lock_slowpath) from [<818f9380>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818f9344>] (mutex_lock) from [<817ffe18>] (rfkill_unregister+0x5c/0xc4 net/rfkill/core.c:1149) [<817ffdbc>] (rfkill_unregister) from [<8184425c>] (nfc_unregister_device+0x44/0x118 net/nfc/core.c:1167) r5:8441345c r4:84413400 [<81844218>] (nfc_unregister_device) from [<81851114>] (nci_unregister_device+0x94/0x98 net/nfc/nci/core.c:1312) r5:840e4824 r4:840e4824 [<81851080>] (nci_unregister_device) from [<80ac1a74>] (virtual_ncidev_close+0x18/0x30 drivers/nfc/virtual_ncidev.c:168) r9:82e4ec00 r8:84c7d010 r7:8379bac0 r6:830edc60 r5:000e001b r4:84daad40 [<80ac1a5c>] (virtual_ncidev_close) from [<80503448>] (__fput+0xd4/0x2dc fs/file_table.c:422) r5:000e001b r4:84d91600 [<80503374>] (__fput) from [<8050370c>] (__fput_sync+0x3c/0x40 fs/file_table.c:507) r9:82e4ec00 r8:8020029c r7:00000006 r6:00000000 r5:84d91600 r4:00000000 [<805036d0>] (__fput_sync) from [<804fead0>] (__do_sys_close fs/open.c:1555 [inline]) [<805036d0>] (__fput_sync) from [<804fead0>] (sys_close+0x30/0x64 fs/open.c:1540) [<804feaa0>] (sys_close) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xe068dfa8 to 0xe068dff0) dfa0: 00000005 00000006 00000005 00000002 00000000 00000000 dfc0: 00000005 00000006 00000000 00000006 ffffffff 0014c29c 7e80e4dc 00042a50 dfe0: 76f88000 7e80e3e0 00091154 0004f5cc r5:00000006 r4:00000005 NMI backtrace for cpu 1 CPU: 1 PID: 32 Comm: khungtaskd Not tainted 6.10.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<818d3858>] (dump_backtrace) from [<818d3954>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000013 r5:60000093 r4:81fe11e8 [<818d393c>] (show_stack) from [<818f0f80>] (__dump_stack lib/dump_stack.c:88 [inline]) [<818d393c>] (show_stack) from [<818f0f80>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114) [<818f0f10>] (dump_stack_lvl) from [<818f0fa4>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000001 r4:00000001 [<818f0f8c>] (dump_stack) from [<818c0b54>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<818c09f4>] (nmi_cpu_backtrace) from [<818c0ca0>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c5d0 r5:8261a7cc r4:ffffffff [<818c0b70>] (nmi_trigger_cpumask_backtrace) from [<802103c8>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827e5827 r8:828a51a0 r7:8260c734 r6:00007f4a r5:8261ad88 r4:83b5391c [<802103b0>] (arch_trigger_cpumask_backtrace) from [<80352730>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]) [<802103b0>] (arch_trigger_cpumask_backtrace) from [<80352730>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<802103b0>] (arch_trigger_cpumask_backtrace) from [<80352730>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<803522a4>] (watchdog) from [<80271228>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df819e58 r8:82ccd000 r7:00000000 r6:803522a4 r5:82e49800 r4:82f9f700 [<80271124>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf8e1fb0 to 0xdf8e1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271124 r4:82f9f700 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2826 Comm: klogd Not tainted 6.10.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express PC is at preempt_schedule_irq+0x38/0xa8 kernel/sched/core.c:7067 LR is at get_lock_parent_ip include/linux/ftrace.h:972 [inline] LR is at preempt_latency_start kernel/sched/core.c:5851 [inline] LR is at preempt_count_add+0x114/0x150 kernel/sched/core.c:5876 pc : [<818f61d0>] lr : [<8027e5ec>] psr: 60000113 sp : ec4c1f48 ip : ec4c1f20 fp : ec4c1f5c r10: 30c5387d r9 : 83630000 r8 : 80200be4 r7 : ec4c1f94 r6 : ffffffff r5 : 83630000 r4 : 00000000 r3 : 818fddf8 r2 : 5b91a000 r1 : 821738a4 r0 : 00000000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 843b4980 DAC: fffffffd Call trace: [<818f6198>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) Exception stack(0xec4c1f60 to 0xec4c1fa8) 1f60: 00000003 0142c520 0000007b 00004000 014241a8 76f455a0 76f455a0 00000121 1f80: 60000010 76d9d918 30c5387d 00000000 30c5387d ec4c1fb0 76d9d918 802001d8 1fa0: 60000013 ffffffff r5:60000013 r4:802001d8