INFO: task kworker/0:2:922 blocked for more than 143 seconds.
Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:22216 pid:922 ppid:2 flags:0x00004000
Workqueue: events rfkill_sync_work
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x196c/0x4af0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6a3/0xd60 kernel/locking/mutex.c:747
rfkill_sync_work+0x23/0x210 net/rfkill/core.c:1059
process_one_work kernel/workqueue.c:2630 [inline]
process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task kworker/0:3:5108 blocked for more than 143 seconds.
Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3 state:D stack:24632 pid:5108 ppid:2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x196c/0x4af0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6a3/0xd60 kernel/locking/mutex.c:747
rfkill_global_led_trigger_worker+0x27/0xd0 net/rfkill/core.c:182
process_one_work kernel/workqueue.c:2630 [inline]
process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task syz-executor.4:22202 blocked for more than 143 seconds.
Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:25000 pid:22202 ppid:5042 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x196c/0x4af0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6a3/0xd60 kernel/locking/mutex.c:747
rfkill_unregister+0xd0/0x230 net/rfkill/core.c:1149
nfc_unregister_device+0x96/0x2a0 net/nfc/core.c:1167
virtual_ncidev_close+0x59/0x90 drivers/nfc/virtual_ncidev.c:163
__fput+0x3f8/0x910 fs/file_table.c:384
__do_sys_close fs/open.c:1572 [inline]
__se_sys_close+0x15f/0x220 fs/open.c:1557
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ae167b9da
RSP: 002b:00007ffc59199020 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5ae167b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f5ae179d980 R08: 0000001b2e960000 R09: 00007ffc591de0b0
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000001baa6b
R13: ffffffffffffffff R14: 00007f5ae1200000 R15: 00000000001ba72a
INFO: task syz-executor.2:22224 blocked for more than 143 seconds.
Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27528 pid:22224 ppid:5043 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x196c/0x4af0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6a3/0xd60 kernel/locking/mutex.c:747
misc_open+0x5c/0x380 drivers/char/misc.c:129
chrdev_open+0x551/0x630 fs/char_dev.c:414
do_dentry_open+0x80f/0x1430 fs/open.c:929
do_open fs/namei.c:3639 [inline]
path_openat+0x27bb/0x3180 fs/namei.c:3796
do_filp_open+0x234/0x490 fs/namei.c:3823
do_sys_openat2+0x13e/0x1d0 fs/open.c:1422
do_sys_open fs/open.c:1437 [inline]
__do_sys_openat fs/open.c:1453 [inline]
__se_sys_openat fs/open.c:1448 [inline]
__x64_sys_openat+0x247/0x290 fs/open.c:1448
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6372e7cae9
RSP: 002b:00007f6373b970c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6372f9bf80 RCX: 00007f6372e7cae9
RDX: 7b4001909c065c96 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f6372ec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6372f9bf80 R15: 00007ffc63ea49a8
INFO: task syz-executor.1:22225 blocked for more than 144 seconds.
Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27528 pid:22225 ppid:5067 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x196c/0x4af0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6a3/0xd60 kernel/locking/mutex.c:747
rfkill_fop_open+0x134/0x860 net/rfkill/core.c:1182
misc_open+0x30b/0x380 drivers/char/misc.c:165
chrdev_open+0x551/0x630 fs/char_dev.c:414
do_dentry_open+0x80f/0x1430 fs/open.c:929
do_open fs/namei.c:3639 [inline]
path_openat+0x27bb/0x3180 fs/namei.c:3796
do_filp_open+0x234/0x490 fs/namei.c:3823
do_sys_openat2+0x13e/0x1d0 fs/open.c:1422
do_sys_open fs/open.c:1437 [inline]
__do_sys_openat fs/open.c:1453 [inline]
__se_sys_openat fs/open.c:1448 [inline]
__x64_sys_openat+0x247/0x290 fs/open.c:1448
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f05c8c7cae9
RSP: 002b:00007f05c9ac50c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f05c8d9bf80 RCX: 00007f05c8c7cae9
RDX: 00000000001c1243 RSI: 0000000020000140 RDI: ffffffffffffff9c
RBP: 00007f05c8cc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f05c8d9bf80 R15: 00007fffd49aa048
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8d32c460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
#0: ffffffff8d32c460 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
#0: ffffffff8d32c460 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6613
3 locks held by kworker/0:2/922:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400 kernel/workqueue.c:2703
#1: ffffc90003fa7d20 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
#1: ffffc90003fa7d20 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400 kernel/workqueue.c:2703
#2: ffffffff8e794be8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x23/0x210 net/rfkill/core.c:1059
2 locks held by getty/4787:
#0: ffff8880266be0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2206
3 locks held by kworker/0:3/5108:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400 kernel/workqueue.c:2703
#1: ffffc90004397d20 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
#1: ffffc90004397d20 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400 kernel/workqueue.c:2703
#2: ffffffff8e794be8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x27/0xd0 net/rfkill/core.c:182
2 locks held by syz-executor.4/22202:
#0: ffff88801ecba100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#0: ffff88801ecba100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x63/0x2a0 net/nfc/core.c:1165
#1: ffffffff8e794be8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xd0/0x230 net/rfkill/core.c:1149
2 locks held by syz-executor.0/22216:
#0: ffffffff8e794be8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a9/0x790 net/rfkill/core.c:1298
#1: ffff88801ecba100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#1: ffff88801ecba100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down net/nfc/core.c:143 [inline]
#1: ffff88801ecba100 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x50/0x300 net/nfc/core.c:179
1 lock held by syz-executor.2/22224:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
2 locks held by syz-executor.1/22225:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
#1: ffffffff8e794be8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_open+0x134/0x860 net/rfkill/core.c:1182
1 lock held by syz-executor.5/22326:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
1 lock held by syz-executor.1/22348:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
1 lock held by syz-executor.4/22352:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
1 lock held by syz-executor.0/22353:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
1 lock held by syz-executor.2/22354:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
1 lock held by syz-executor.5/22364:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
1 lock held by syz-executor.1/22367:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
1 lock held by syz-executor.4/22371:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
1 lock held by syz-executor.0/22372:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
1 lock held by syz-executor.2/22373:
#0: ffffffff8da7bcc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x380 drivers/char/misc.c:129
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xfa9/0xff0 kernel/hung_task.c:379
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 29729 Comm: kworker/u4:21 Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:inat_get_opcode_attribute+0x2b/0x50 arch/x86/lib/inat.c:15
Code: 0f 1f 00 53 89 fb e8 24 4f c4 f6 89 d8 48 8d 1c 85 00 e4 1c 8c 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 04 8b 03 5b c3 89 d9 80 e1 07 80 c1 03 38 c1 7c f0 48 89
RSP: 0018:ffffc90015787610 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffffff8c1ce7a4 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 00000000000000e9 RDI: 00000000000000e9
RBP: 00000000000000e9 R08: ffffffff8aca1aa4 R09: 0000000000000000
R10: ffffc90015787960 R11: fffff52002af0f37 R12: ffffc900157879c8
R13: ffffffff81e7bec1 R14: dffffc0000000000 R15: ffffc90015787960
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff7f4156d8 CR3: 000000000d130000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
insn_get_prefixes+0x45a/0x18a0 arch/x86/lib/insn.c:139
insn_get_opcode+0x1b2/0xa50 arch/x86/lib/insn.c:272
insn_get_modrm+0x22e/0x7a0 arch/x86/lib/insn.c:343
insn_get_sib arch/x86/lib/insn.c:421 [inline]
insn_get_displacement+0x13e/0x980 arch/x86/lib/insn.c:464
insn_get_immediate+0x382/0x13d0 arch/x86/lib/insn.c:632
insn_get_length arch/x86/lib/insn.c:707 [inline]
insn_decode+0x370/0x500 arch/x86/lib/insn.c:747
arch_jump_entry_size arch/x86/kernel/jump_label.c:24 [inline]
__jump_label_patch+0xe8/0x480 arch/x86/kernel/jump_label.c:45
arch_jump_label_transform_queue+0x64/0xf0 arch/x86/kernel/jump_label.c:137
__jump_label_update+0x177/0x3a0 kernel/jump_label.c:475
static_key_disable_cpuslocked+0xce/0x1b0 kernel/jump_label.c:235
static_key_disable+0x1a/0x20 kernel/jump_label.c:243
toggle_allocation_gate+0x1b8/0x250 mm/kfence/core.c:835
process_one_work kernel/workqueue.c:2630 [inline]
process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304