INFO: task kworker/1:6:5489 blocked for more than 143 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6 state:D stack:25936 pid:5489 tgid:5489 ppid:2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
rfkill_global_led_trigger_worker+0x1b/0x160 net/rfkill/core.c:182
process_one_work+0x8a4/0x15f0 kernel/workqueue.c:2636
process_scheduled_works kernel/workqueue.c:2709 [inline]
worker_thread+0x8b6/0x1290 kernel/workqueue.c:2790
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
INFO: task syz-executor.2:6438 blocked for more than 143 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27232 pid:6438 tgid:6438 ppid:5428 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1149
nfc_unregister_device+0x94/0x330 net/nfc/core.c:1167
virtual_ncidev_close+0x51/0xa0 drivers/nfc/virtual_ncidev.c:163
__fput+0x270/0xbb0 fs/file_table.c:394
__fput_sync+0x47/0x50 fs/file_table.c:475
__do_sys_close fs/open.c:1591 [inline]
__se_sys_close fs/open.c:1576 [inline]
__x64_sys_close+0x86/0xf0 fs/open.c:1576
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f414de7b8da
RSP: 002b:00007ffe9d251120 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f414de7b8da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f414df9d980 R08: 0000001b2e860000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000021a04
R13: ffffffffffffffff R14: 00007f414da00000 R15: 00000000000216c3
INFO: task syz-executor.1:6451 blocked for more than 143 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27040 pid:6451 tgid:6449 ppid:5439 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
rfkill_register+0x3a/0xb30 net/rfkill/core.c:1075
nfc_register_device+0x11f/0x3c0 net/nfc/core.c:1132
nci_register_device+0x7f4/0xb80 net/nfc/nci/core.c:1262
virtual_ncidev_open+0x147/0x220 drivers/nfc/virtual_ncidev.c:148
misc_open+0x3da/0x4c0 drivers/char/misc.c:165
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:949
do_open fs/namei.c:3634 [inline]
path_openat+0x1e55/0x2c50 fs/namei.c:3791
do_filp_open+0x1dc/0x430 fs/namei.c:3821
do_sys_openat2+0x176/0x1e0 fs/open.c:1441
do_sys_open fs/open.c:1456 [inline]
__do_sys_openat fs/open.c:1472 [inline]
__se_sys_openat fs/open.c:1467 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1467
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f7051c7c8d9
RSP: 002b:00007f70529e90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7051d9bf80 RCX: 00007f7051c7c8d9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f7051cd8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7051d9bf80 R15: 00007ffd8e9771f8
INFO: task syz-executor.1:6455 blocked for more than 144 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27808 pid:6455 tgid:6449 ppid:5439 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
device_lock include/linux/device.h:992 [inline]
nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
nfc_rfkill_set_block+0x39/0xd0 net/nfc/core.c:179
rfkill_set_block+0x200/0x550 net/rfkill/core.c:346
rfkill_fop_write+0x2d4/0x570 net/rfkill/core.c:1305
vfs_write+0x2a4/0xdf0 fs/read_write.c:582
ksys_write+0x1f0/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f7051c7c8d9
RSP: 002b:00007f70529c80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7051d9c050 RCX: 00007f7051c7c8d9
RDX: 0000000000000008 RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007f7051cd8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f7051d9c050 R15: 00007ffd8e9771f8
INFO: task syz-executor.4:6466 blocked for more than 144 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28464 pid:6466 tgid:6460 ppid:5434 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:949
do_open fs/namei.c:3634 [inline]
path_openat+0x1e55/0x2c50 fs/namei.c:3791
do_filp_open+0x1dc/0x430 fs/namei.c:3821
do_sys_openat2+0x176/0x1e0 fs/open.c:1441
do_sys_open fs/open.c:1456 [inline]
__do_sys_openat fs/open.c:1472 [inline]
__se_sys_openat fs/open.c:1467 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1467
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7fbb2547c8d9
RSP: 002b:00007fbb261ed0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbb2559bf80 RCX: 00007fbb2547c8d9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fbb254d8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbb2559bf80 R15: 00007ffc7a557168
INFO: task syz-executor.4:6470 blocked for more than 144 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28464 pid:6470 tgid:6460 ppid:5434 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:949
do_open fs/namei.c:3634 [inline]
path_openat+0x1e55/0x2c50 fs/namei.c:3791
do_filp_open+0x1dc/0x430 fs/namei.c:3821
do_sys_openat2+0x176/0x1e0 fs/open.c:1441
do_sys_open fs/open.c:1456 [inline]
__do_sys_openat fs/open.c:1472 [inline]
__se_sys_openat fs/open.c:1467 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1467
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7fbb2547c8d9
RSP: 002b:00007fbb261cc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbb2559c050 RCX: 00007fbb2547c8d9
RDX: 0000000000000801 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007fbb254d8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fbb2559c050 R15: 00007ffc7a557168
INFO: task syz-executor.3:6465 blocked for more than 145 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28464 pid:6465 tgid:6461 ppid:5772 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:949
do_open fs/namei.c:3634 [inline]
path_openat+0x1e55/0x2c50 fs/namei.c:3791
do_filp_open+0x1dc/0x430 fs/namei.c:3821
do_sys_openat2+0x176/0x1e0 fs/open.c:1441
do_sys_open fs/open.c:1456 [inline]
__do_sys_openat fs/open.c:1472 [inline]
__se_sys_openat fs/open.c:1467 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1467
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f598807c8d9
RSP: 002b:00007f5988d410c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f598819bf80 RCX: 00007f598807c8d9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f59880d8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f598819bf80 R15: 00007ffcf6eaaef8
INFO: task syz-executor.3:6471 blocked for more than 145 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28464 pid:6471 tgid:6461 ppid:5772 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:949
do_open fs/namei.c:3634 [inline]
path_openat+0x1e55/0x2c50 fs/namei.c:3791
do_filp_open+0x1dc/0x430 fs/namei.c:3821
do_sys_openat2+0x176/0x1e0 fs/open.c:1441
do_sys_open fs/open.c:1456 [inline]
__do_sys_openat fs/open.c:1472 [inline]
__se_sys_openat fs/open.c:1467 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1467
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f598807c8d9
RSP: 002b:00007f5988d200c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f598819c050 RCX: 00007f598807c8d9
RDX: 0000000000000801 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f59880d8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f598819c050 R15: 00007ffcf6eaaef8
INFO: task syz-executor.0:6469 blocked for more than 145 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28464 pid:6469 tgid:6462 ppid:5765 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:949
do_open fs/namei.c:3634 [inline]
path_openat+0x1e55/0x2c50 fs/namei.c:3791
do_filp_open+0x1dc/0x430 fs/namei.c:3821
do_sys_openat2+0x176/0x1e0 fs/open.c:1441
do_sys_open fs/open.c:1456 [inline]
__do_sys_openat fs/open.c:1472 [inline]
__se_sys_openat fs/open.c:1467 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1467
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7fcadb47c8d9
RSP: 002b:00007fcadc26b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fcadb59bf80 RCX: 00007fcadb47c8d9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fcadb4d8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcadb59bf80 R15: 00007ffec970e068
INFO: task syz-executor.0:6473 blocked for more than 146 seconds.
Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27824 pid:6473 tgid:6462 ppid:5765 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf15/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:949
do_open fs/namei.c:3634 [inline]
path_openat+0x1e55/0x2c50 fs/namei.c:3791
do_filp_open+0x1dc/0x430 fs/namei.c:3821
do_sys_openat2+0x176/0x1e0 fs/open.c:1441
do_sys_open fs/open.c:1456 [inline]
__do_sys_openat fs/open.c:1472 [inline]
__se_sys_openat fs/open.c:1467 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1467
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7fcadb47c8d9
RSP: 002b:00007fcadc24a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fcadb59c050 RCX: 00007fcadb47c8d9
RDX: 0000000000000801 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007fcadb4d8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fcadb59c050 R15: 00007ffec970e068
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8cfad060 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#0: ffffffff8cfad060 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff8cfad060 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
2 locks held by kworker/u4:7/1270:
#0: ffff8880b993c718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:558
#1: ffff8880b9928888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x20c/0x900 kernel/sched/psi.c:976
2 locks held by getty/4820:
#0: ffff888026f260a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc4/0x1490 drivers/tty/n_tty.c:2201
3 locks held by kworker/1:6/5489:
#0: ffff888013070d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78c/0x15f0 kernel/workqueue.c:2611
#1: ffffc900052afd80 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x7f6/0x15f0 kernel/workqueue.c:2612
#2: ffffffff8ef29168 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x1b/0x160 net/rfkill/core.c:182
2 locks held by syz-executor.2/6438:
#0: ffff88806e4f8100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#0: ffff88806e4f8100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x60/0x330 net/nfc/core.c:1165
#1: ffffffff8ef29168 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1149
3 locks held by syz-executor.1/6451:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
#1: ffff88802996f100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#1: ffff88802996f100 (&dev->mutex){....}-{3:3}, at: nfc_register_device+0x9a/0x3c0 net/nfc/core.c:1128
#2: ffffffff8ef29168 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x3a/0xb30 net/rfkill/core.c:1075
2 locks held by syz-executor.1/6455:
#0: ffffffff8ef29168 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x16e/0x570 net/rfkill/core.c:1297
#1: ffff88806e4f8100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#1: ffff88806e4f8100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
1 lock held by syz-executor.4/6466:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.4/6470:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.3/6465:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.3/6471:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.0/6469:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.0/6473:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.5/6468:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.5/6472:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.1/6520:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.2/6519:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.4/6522:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.3/6521:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.0/6523:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.5/6524:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.1/6536:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.0/6537:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.3/6539:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.4/6538:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.5/6540:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.2/6541:
#0: ffffffff8dbaa788 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xf86/0x1210 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5504 Comm: kworker/0:7 Not tainted 6.7.0-rc2-next-20231120-syzkaller-02011-g5a82d69d48c8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:clear_page_erms+0xb/0x10 arch/x86/lib/clear_page_64.S:50
Code: 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b9 00 10 00 00 31 c0 aa c3 66 90 f3 0f 1e fa 48 83 f9 40 73 36 83 f9 08 73 0f 85 c9
RSP: 0018:ffffc900052df418 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000a40
RDX: ffffea0001f20540 RSI: ffff888000000000 RDI: ffff88807c8155c0
RBP: ffffea0001f20400 R08: 0000160000000000 R09: 0000000000000000
R10: ffffed100f902000 R11: dffffc0000000000 R12: 0000000000000000
R13: ffffea0001f20600 R14: 0000000000000001 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f57ef23b2c0 CR3: 000000000cd78000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
clear_page arch/x86/include/asm/page_64.h:53 [inline]
clear_highpage_kasan_tagged include/linux/highmem.h:248 [inline]
kernel_init_pages mm/page_alloc.c:1072 [inline]
post_alloc_hook+0x1a3/0x350 mm/page_alloc.c:1531
prep_new_page mm/page_alloc.c:1540 [inline]
get_page_from_freelist+0xa16/0x3690 mm/page_alloc.c:3344
__alloc_pages+0x22d/0x2400 mm/page_alloc.c:4600
alloc_pages_mpol+0x258/0x5f0 mm/mempolicy.c:2133
alloc_slab_page mm/slub.c:1879 [inline]
allocate_slab mm/slub.c:2026 [inline]
new_slab+0x283/0x3c0 mm/slub.c:2079
___slab_alloc+0x4af/0x1710 mm/slub.c:3212
__slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3297
__slab_alloc_node mm/slub.c:3350 [inline]
slab_alloc_node mm/slub.c:3442 [inline]
__kmem_cache_alloc_node+0x131/0x310 mm/slub.c:3491
__do_kmalloc_node mm/slab_common.c:1006 [inline]
__kmalloc_node_track_caller+0x4a/0x90 mm/slab_common.c:1027
kmalloc_reserve+0xef/0x260 net/core/skbuff.c:582
__alloc_skb+0x12b/0x330 net/core/skbuff.c:651
alloc_skb include/linux/skbuff.h:1286 [inline]
nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:748 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:805 [inline]
nsim_dev_trap_report_work+0x29e/0xc70 drivers/net/netdevsim/dev.c:850
process_one_work+0x8a4/0x15f0 kernel/workqueue.c:2636
process_scheduled_works kernel/workqueue.c:2709 [inline]
worker_thread+0x8b6/0x1290 kernel/workqueue.c:2790
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242