INFO: task kworker/0:2:780 blocked for more than 143 seconds.
Not tainted 6.8.0-rc3-syzkaller-00317-g7521f258ea30 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:21808 pid:780 tgid:780 ppid:2 flags:0x00004000
Workqueue: events rfkill_sync_work
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a3/0xd70 kernel/locking/mutex.c:752
device_lock include/linux/device.h:990 [inline]
nfc_dev_down net/nfc/core.c:143 [inline]
nfc_rfkill_set_block+0x50/0x310 net/nfc/core.c:179
rfkill_set_block+0x1f1/0x440 net/rfkill/core.c:346
rfkill_sync net/rfkill/core.c:379 [inline]
rfkill_sync_work+0x12a/0x220 net/rfkill/core.c:1060
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
INFO: task udevd:5269 blocked for more than 143 seconds.
Not tainted 6.8.0-rc3-syzkaller-00317-g7521f258ea30 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23408 pid:5269 tgid:5269 ppid:4510 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a3/0xd70 kernel/locking/mutex.c:752
misc_open+0x5c/0x390 drivers/char/misc.c:129
chrdev_open+0x5b0/0x630 fs/char_dev.c:414
do_dentry_open+0x907/0x15a0 fs/open.c:953
do_open fs/namei.c:3641 [inline]
path_openat+0x285f/0x3240 fs/namei.c:3798
do_filp_open+0x234/0x490 fs/namei.c:3825
do_sys_openat2+0x13e/0x1d0 fs/open.c:1404
do_sys_open fs/open.c:1419 [inline]
__do_sys_openat fs/open.c:1435 [inline]
__se_sys_openat fs/open.c:1430 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1430
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f02b61169a4
RSP: 002b:00007ffd73ffe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02b61169a4
RDX: 0000000000080002 RSI: 000055caf49f3d89 RDI: 00000000ffffff9c
RBP: 000055caf49f3d89 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080002
R13: 00007ffd73fff218 R14: 000055caf4a81070 R15: 00007ffd73ffff38
INFO: task syz-executor.3:6796 blocked for more than 143 seconds.
Not tainted 6.8.0-rc3-syzkaller-00317-g7521f258ea30 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26064 pid:6796 tgid:6792 ppid:5096 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a3/0xd70 kernel/locking/mutex.c:752
rfkill_register+0x34/0x8c0 net/rfkill/core.c:1075
nfc_register_device+0x148/0x320 net/nfc/core.c:1132
nci_register_device+0x7c2/0x900 net/nfc/nci/core.c:1266
virtual_ncidev_open+0x13c/0x1b0 drivers/nfc/virtual_ncidev.c:153
misc_open+0x313/0x390 drivers/char/misc.c:165
chrdev_open+0x5b0/0x630 fs/char_dev.c:414
do_dentry_open+0x907/0x15a0 fs/open.c:953
do_open fs/namei.c:3641 [inline]
path_openat+0x285f/0x3240 fs/namei.c:3798
do_filp_open+0x234/0x490 fs/namei.c:3825
do_sys_openat2+0x13e/0x1d0 fs/open.c:1404
do_sys_open fs/open.c:1419 [inline]
__do_sys_openat fs/open.c:1435 [inline]
__se_sys_openat fs/open.c:1430 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1430
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f8a1187dda9
RSP: 002b:00007f8a125130c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8a119abf80 RCX: 00007f8a1187dda9
RDX: 0000000000000002 RSI: 0000000020000500 RDI: ffffffffffffff9c
RBP: 00007f8a118ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f8a119abf80 R15: 00007ffc9f7a1f58
INFO: task syz-executor.2:6794 blocked for more than 144 seconds.
Not tainted 6.8.0-rc3-syzkaller-00317-g7521f258ea30 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:23824 pid:6794 tgid:6793 ppid:5087 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x354/0x620 kernel/sched/completion.c:148
__flush_work+0x950/0xad0 kernel/workqueue.c:3410
__cancel_work_timer+0x51d/0x6b0 kernel/workqueue.c:3497
rfkill_unregister+0x96/0x230 net/rfkill/core.c:1143
nfc_unregister_device+0x96/0x2a0 net/nfc/core.c:1167
virtual_ncidev_close+0x59/0x90 drivers/nfc/virtual_ncidev.c:168
__fput+0x429/0x8a0 fs/file_table.c:376
task_work_run+0x24e/0x310 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:108 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0x167/0x370 kernel/entry/common.c:212
do_syscall_64+0x108/0x240 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f6053c7dda9
RSP: 002b:00007f6054a7f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000124
RAX: 0000000000000004 RBX: 00007f6053dabf80 RCX: 00007f6053c7dda9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f6053cca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6053dabf80 R15: 00007ffe5f91ddf8
INFO: task syz-executor.0:6830 blocked for more than 144 seconds.
Not tainted 6.8.0-rc3-syzkaller-00317-g7521f258ea30 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25456 pid:6830 tgid:6829 ppid:5086 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a3/0xd70 kernel/locking/mutex.c:752
misc_open+0x5c/0x390 drivers/char/misc.c:129
chrdev_open+0x5b0/0x630 fs/char_dev.c:414
do_dentry_open+0x907/0x15a0 fs/open.c:953
do_open fs/namei.c:3641 [inline]
path_openat+0x285f/0x3240 fs/namei.c:3798
do_filp_open+0x234/0x490 fs/namei.c:3825
do_sys_openat2+0x13e/0x1d0 fs/open.c:1404
do_sys_open fs/open.c:1419 [inline]
__do_sys_openat fs/open.c:1435 [inline]
__se_sys_openat fs/open.c:1430 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1430
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f5a8fe7dda9
RSP: 002b:00007f5a90b5c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f5a8ffabf80 RCX: 00007f5a8fe7dda9
RDX: 0000000000000802 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f5a8feca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5a8ffabf80 R15: 00007ffc95040778
INFO: task syz-executor.1:6873 blocked for more than 144 seconds.
Not tainted 6.8.0-rc3-syzkaller-00317-g7521f258ea30 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27384 pid:6873 tgid:6872 ppid:5085 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a3/0xd70 kernel/locking/mutex.c:752
misc_open+0x5c/0x390 drivers/char/misc.c:129
chrdev_open+0x5b0/0x630 fs/char_dev.c:414
do_dentry_open+0x907/0x15a0 fs/open.c:953
do_open fs/namei.c:3641 [inline]
path_openat+0x285f/0x3240 fs/namei.c:3798
do_filp_open+0x234/0x490 fs/namei.c:3825
do_sys_openat2+0x13e/0x1d0 fs/open.c:1404
do_sys_open fs/open.c:1419 [inline]
__do_sys_openat fs/open.c:1435 [inline]
__se_sys_openat fs/open.c:1430 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1430
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f0061a7dda9
RSP: 002b:00007f0060dff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f0061babf80 RCX: 00007f0061a7dda9
RDX: 0000000000000002 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f0061aca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0061babf80 R15: 00007fff6b8ded98
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8e130ae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8e130ae0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8e130ae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
4 locks held by kworker/0:2/780:
#0: ffff888014c8c938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#0: ffff888014c8c938 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#1: ffffc90003bbfd20 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#1: ffffc90003bbfd20 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#2: ffffffff8f632348 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x23/0x220 net/rfkill/core.c:1059
#3: ffff888015bdc100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#3: ffff888015bdc100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down net/nfc/core.c:143 [inline]
#3: ffff888015bdc100 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x50/0x310 net/nfc/core.c:179
2 locks held by getty/4809:
#0: ffff88802bb030a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by udevd/5269:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
3 locks held by syz-executor.3/6796:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
#1: ffff8880200db100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#1: ffff8880200db100 (&dev->mutex){....}-{3:3}, at: nfc_register_device+0x9c/0x320 net/nfc/core.c:1128
#2: ffffffff8f632348 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x34/0x8c0 net/rfkill/core.c:1075
1 lock held by syz-executor.2/6794:
#0: ffff888015bdc100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#0: ffff888015bdc100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x63/0x2a0 net/nfc/core.c:1165
1 lock held by syz-executor.0/6830:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.1/6873:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.2/6976:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.3/6977:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.0/6981:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.1/7001:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.4/7084:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.4/7086:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.2/7089:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.3/7090:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.0/7092:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.1/7094:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
1 lock held by syz-executor.4/7100:
#0: ffffffff8e8e47e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 drivers/char/misc.c:129
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc3-syzkaller-00317-g7521f258ea30 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 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+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 951 Comm: kworker/u4:5 Not tainted 6.8.0-rc3-syzkaller-00317-g7521f258ea30 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x86/0x290 mm/kasan/generic.c:189
Code: 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd 41 80 3b 00 <0f> 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00 00 45 89 dc
RSP: 0018:ffffc900047678b0 EFLAGS: 00000246
RAX: ffffffff8134ac01 RBX: 1ffff920008ecf2c RCX: ffffffff8134accb
RDX: 0000000000000001 RSI: 0000000000000070 RDI: ffffc90004767960
RBP: fffffffffffffff8 R08: ffffc900047679cf R09: 1ffff920008ecf39
R10: dffffc0000000000 R11: fffff520008ecf32 R12: ffffffff9262eb40
R13: 0000000000000005 R14: dffffc0000000001 R15: fffff520008ecf3a
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc5ffe5098 CR3: 000000000df32000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__asan_memset+0x23/0x50 mm/kasan/shadow.c:84
text_poke_loc_init+0x9b/0x870 arch/x86/kernel/alternative.c:2392
arch_jump_label_transform_queue+0x8f/0x100 arch/x86/kernel/jump_label.c:138
__jump_label_update+0x177/0x3a0 kernel/jump_label.c:475
static_key_disable_cpuslocked+0xce/0x1c0 kernel/jump_label.c:235
static_key_disable+0x1a/0x20 kernel/jump_label.c:243
toggle_allocation_gate+0x1b8/0x250 mm/kfence/core.c:831
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242