INFO: task kworker/0:9:6463 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:9 state:D stack:29144 pid:6463 ppid:2 flags:0x00004000
Workqueue: events rfkill_sync_work
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
rfkill_sync_work+0x1c/0xc0 net/rfkill/core.c:1040
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/0:14:8552 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:14 state:D stack:28928 pid:8552 ppid:2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
rfkill_global_led_trigger_worker+0x1b/0x120 net/rfkill/core.c:181
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.2:15673 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28296 pid:15673 ppid:5092 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1130
nfc_unregister_device+0x96/0x330 net/nfc/core.c:1167
virtual_ncidev_close+0x52/0xb0 drivers/nfc/virtual_ncidev.c:163
__fput+0x27c/0xa90 fs/file_table.c:320
task_work_run+0x16f/0x270 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7c7fe3dfab
RSP: 002b:00007ffff20d7380 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000011 RCX: 00007f7c7fe3dfab
RDX: 0000001b31820000 RSI: 0000000000000000 RDI: 0000000000000010
RBP: 00007f7c7ffad980 R08: 0000000000000000 R09: 00007ffff216f080
R10: 00007ffff216f090 R11: 0000000000000293 R12: 00000000000baab0
R13: 00007ffff20d7480 R14: 00007f7c7ffac120 R15: 0000000000000032
INFO: task syz-executor.2:15675 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26784 pid:15675 ppid:5092 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
misc_open+0x63/0x4a0 drivers/char/misc.c:129
chrdev_open+0x26a/0x770 fs/char_dev.c:414
do_dentry_open+0x6cc/0x13f0 fs/open.c:882
do_open fs/namei.c:3557 [inline]
path_openat+0x1bbc/0x2a50 fs/namei.c:3714
do_filp_open+0x1ba/0x410 fs/namei.c:3741
do_sys_openat2+0x16d/0x4c0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x143/0x1f0 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7c7fe8c0f9
RSP: 002b:00007f7c80b46168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7c7ffac050 RCX: 00007f7c7fe8c0f9
RDX: 0000000000000002 RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007f7c7fee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff20d731f R14: 00007f7c80b46300 R15: 0000000000022000
INFO: task syz-executor.0:15795 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28120 pid:15795 ppid:5105 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
device_lock include/linux/device.h:831 [inline]
nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
nfc_rfkill_set_block+0x33/0xd0 net/nfc/core.c:179
rfkill_set_block+0x1f9/0x540 net/rfkill/core.c:345
rfkill_fop_write+0x2c7/0x570 net/rfkill/core.c:1286
vfs_write+0x2db/0xdd0 fs/read_write.c:582
ksys_write+0x1ec/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fede8a8c0f9
RSP: 002b:00007fede979a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fede8babf80 RCX: 00007fede8a8c0f9
RDX: 0000000000000008 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007fede8ae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff4da5774f R14: 00007fede979a300 R15: 0000000000022000
INFO: task syz-executor.1:15799 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28488 pid:15799 ppid:5093 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
rfkill_fop_open+0x149/0x760 net/rfkill/core.c:1163
misc_open+0x37a/0x4a0 drivers/char/misc.c:165
chrdev_open+0x26a/0x770 fs/char_dev.c:414
do_dentry_open+0x6cc/0x13f0 fs/open.c:882
do_open fs/namei.c:3557 [inline]
path_openat+0x1bbc/0x2a50 fs/namei.c:3714
do_filp_open+0x1ba/0x410 fs/namei.c:3741
do_sys_openat2+0x16d/0x4c0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x143/0x1f0 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff9df88c0f9
RSP: 002b:00007ff9e06c4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff9df9abf80 RCX: 00007ff9df88c0f9
RDX: 0000000000040501 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007ff9df8e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde326ad4f R14: 00007ff9e06c4300 R15: 0000000000022000
Showing all locks held in the system:
3 locks held by kworker/u4:0/8:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff8c78c7f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
#0: ffffffff8c78c4f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
#0: ffffffff8c78d340 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/4737:
#0: ffff88802a59b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900020382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
3 locks held by kworker/0:9/6463:
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90015d87da8 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8e4deaa8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x1c/0xc0 net/rfkill/core.c:1040
3 locks held by kworker/0:14/8552:
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012469d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90015287da8 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8e4deaa8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x1b/0x120 net/rfkill/core.c:181
2 locks held by syz-executor.2/15673:
#0: ffff88802ce65100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#0: ffff88802ce65100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x62/0x330 net/nfc/core.c:1165
#1: ffffffff8e4deaa8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1130
1 lock held by syz-executor.2/15675:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
2 locks held by syz-executor.0/15795:
#0: ffffffff8e4deaa8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x160/0x570 net/rfkill/core.c:1278
#1: ffff88802ce65100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#1: ffff88802ce65100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
2 locks held by syz-executor.1/15799:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
#1: ffffffff8e4deaa8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_open+0x149/0x760 net/rfkill/core.c:1163
1 lock held by syz-executor.4/15810:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
1 lock held by syz-executor.3/15808:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
1 lock held by syz-executor.2/15830:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
1 lock held by syz-executor.1/15833:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
1 lock held by syz-executor.0/15834:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
1 lock held by syz-executor.2/15840:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
1 lock held by syz-executor.1/15843:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
1 lock held by syz-executor.0/15844:
#0: ffffffff8d2383a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:129
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 kernel/kthread.c:376
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
CPU: 1 PID: 5158 Comm: kworker/1:6 Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:118 [inline]
RIP: 0010:lock_is_held_type+0x2d/0x140 kernel/locking/lockdep.c:5704
Code: fa 41 57 41 56 41 55 41 bd ff ff ff ff 41 54 55 53 48 83 ec 08 8b 0d 9e c9 6a 04 85 c9 0f 84 d9 00 00 00 65 8b 05 cb 9e fa 75 <85> c0 0f 85 ca 00 00 00 65 4c 8b 24 25 40 ac 03 00 41 8b 94 24 34
RSP: 0018:ffffc90003f7fb78 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000082a20 RCX: 0000000000000001
RDX: 0000000000000003 RSI: 00000000ffffffff RDI: ffffffff8c78d280
RBP: ffff888012440900 R08: 0000000000082a20 R09: 00000000ffffffff
R10: 000000000000000a R11: 0000000000094001 R12: 0000000000000001
R13: 00000000ffffffff R14: ffffffff85ef5e31 R15: ffff88803ae7a000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00077a000 CR3: 000000007e508000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
rcu_read_lock_sched_held+0x3e/0x70 kernel/rcu/update.c:125
trace_kmalloc include/trace/events/kmem.h:54 [inline]
trace_kmalloc+0x35/0x100 include/trace/events/kmem.h:54
__do_kmalloc_node mm/slab_common.c:969 [inline]
__kmalloc_node_track_caller+0x75/0xc0 mm/slab_common.c:988
kmalloc_reserve net/core/skbuff.c:492 [inline]
__alloc_skb+0xe9/0x310 net/core/skbuff.c:565
alloc_skb include/linux/skbuff.h:1270 [inline]
nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:751 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:808 [inline]
nsim_dev_trap_report_work+0x2b1/0xc80 drivers/net/netdevsim/dev.c:853
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308