INFO: task kworker/u4:10:5849 blocked for more than 143 seconds.
Not tainted 6.5.0-rc1-syzkaller-00276-g20edcec23f92 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:10 state:D stack:23376 pid:5849 ppid:2 flags:0x00004000
Workqueue: nfc2_nci_rx_wq nci_rx_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
device_lock include/linux/device.h:958 [inline]
nfc_targets_found+0xe8/0x3d0 net/nfc/core.c:778
nci_rf_discover_ntf_packet net/nfc/nci/ntf.c:390 [inline]
nci_ntf_packet+0x1473/0x2cd0 net/nfc/nci/ntf.c:798
nci_rx_work+0x17f/0x320 net/nfc/nci/core.c:1517
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
worker_thread+0x687/0x1110 kernel/workqueue.c:2748
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task kworker/0:13:8422 blocked for more than 143 seconds.
Not tainted 6.5.0-rc1-syzkaller-00276-g20edcec23f92 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:13 state:D stack:22480 pid:8422 ppid:2 flags:0x00004000
Workqueue: events nfc_urelease_event_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
nfc_urelease_event_work+0xbb/0x310 net/nfc/netlink.c:1843
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
worker_thread+0x687/0x1110 kernel/workqueue.c:2748
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task kworker/1:11:8462 blocked for more than 143 seconds.
Not tainted 6.5.0-rc1-syzkaller-00276-g20edcec23f92 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:11 state:D stack:26720 pid:8462 ppid:2 flags:0x00004000
Workqueue: events nfc_urelease_event_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
nci_request net/nfc/nci/core.c:149 [inline]
nci_stop_poll+0xf9/0x1c0 net/nfc/nci/core.c:873
nfc_stop_poll+0x10e/0x270 net/nfc/core.c:259
nfc_urelease_event_work+0x1d9/0x310 net/nfc/netlink.c:1852
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
worker_thread+0x687/0x1110 kernel/workqueue.c:2748
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.0:12735 blocked for more than 144 seconds.
Not tainted 6.5.0-rc1-syzkaller-00276-g20edcec23f92 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26816 pid:12735 ppid:5049 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:106
__flush_workqueue+0x3e9/0x1330 kernel/workqueue.c:3174
nci_close_device+0x142/0x370 net/nfc/nci/core.c:579
nci_unregister_device+0x36/0x300 net/nfc/nci/core.c:1292
virtual_ncidev_close+0x51/0xa0 drivers/nfc/virtual_ncidev.c:163
__fput+0x3fd/0xac0 fs/file_table.c:384
task_work_run+0x14d/0x240 kernel/task_work.c:179
get_signal+0x1075/0x2770 kernel/signal.c:2653
arch_do_signal_or_restart+0x89/0x5f0 arch/x86/kernel/signal.c:308
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc6e627cb29
RSP: 002b:00007fc6e6ff10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffff2 RBX: 00007fc6e639bf80 RCX: 00007fc6e627cb29
RDX: 0000000000000064 RSI: 0000000020000840 RDI: 0000000000000003
RBP: 00007fc6e62c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc6e639bf80 R15: 00007ffce93d7d08
INFO: task syz-executor.5:12752 blocked for more than 144 seconds.
Not tainted 6.5.0-rc1-syzkaller-00276-g20edcec23f92 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27584 pid:12752 ppid:8800 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
nfc_register_device+0x32/0x3c0 net/nfc/core.c:1116
nci_register_device+0x7f4/0xb80 net/nfc/nci/core.c:1257
virtual_ncidev_open+0x147/0x220 drivers/nfc/virtual_ncidev.c:148
misc_open+0x3da/0x4c0 drivers/char/misc.c:165
chrdev_open+0x277/0x700 fs/char_dev.c:414
do_dentry_open+0x88b/0x1780 fs/open.c:914
do_open fs/namei.c:3636 [inline]
path_openat+0x19af/0x29c0 fs/namei.c:3793
do_filp_open+0x1de/0x430 fs/namei.c:3820
do_sys_openat2+0x176/0x1e0 fs/open.c:1407
do_sys_open fs/open.c:1422 [inline]
__do_sys_openat fs/open.c:1438 [inline]
__se_sys_openat fs/open.c:1433 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1433
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc7c887cb29
RSP: 002b:00007fc7c96480c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc7c899bf80 RCX: 00007fc7c887cb29
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fc7c88c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc7c899bf80 R15: 00007ffd80c06698
INFO: task syz-executor.1:12765 blocked for more than 144 seconds.
Not tainted 6.5.0-rc1-syzkaller-00276-g20edcec23f92 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:25536 pid:12765 ppid:5043 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x277/0x700 fs/char_dev.c:414
do_dentry_open+0x88b/0x1780 fs/open.c:914
do_open fs/namei.c:3636 [inline]
path_openat+0x19af/0x29c0 fs/namei.c:3793
do_filp_open+0x1de/0x430 fs/namei.c:3820
do_sys_openat2+0x176/0x1e0 fs/open.c:1407
do_sys_open fs/open.c:1422 [inline]
__do_sys_openat fs/open.c:1438 [inline]
__se_sys_openat fs/open.c:1433 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1433
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f69ae87cb29
RSP: 002b:00007f69af65a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f69ae99c120 RCX: 00007f69ae87cb29
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007f69ae8c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f69ae99c120 R15: 00007ffe389a9298
INFO: task syz-executor.3:12778 blocked for more than 145 seconds.
Not tainted 6.5.0-rc1-syzkaller-00276-g20edcec23f92 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26704 pid:12778 ppid:5056 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x277/0x700 fs/char_dev.c:414
do_dentry_open+0x88b/0x1780 fs/open.c:914
do_open fs/namei.c:3636 [inline]
path_openat+0x19af/0x29c0 fs/namei.c:3793
do_filp_open+0x1de/0x430 fs/namei.c:3820
do_sys_openat2+0x176/0x1e0 fs/open.c:1407
do_sys_open fs/open.c:1422 [inline]
__do_sys_openat fs/open.c:1438 [inline]
__se_sys_openat fs/open.c:1433 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1433
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f072b47cb29
RSP: 002b:00007f072c2640c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f072b59c120 RCX: 00007f072b47cb29
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007f072b4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f072b59c120 R15: 00007fff642b6248
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c9a25f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c9a22f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/27:
#0: ffffffff8c9a3200 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
2 locks held by getty/4772:
#0: ffff88814bf1d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900020282f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 drivers/tty/n_tty.c:2187
3 locks held by kworker/u4:10/5849:
#0: ffff888055af1138 ((wq_completion)nfc2_nci_rx_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888055af1138 ((wq_completion)nfc2_nci_rx_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888055af1138 ((wq_completion)nfc2_nci_rx_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888055af1138 ((wq_completion)nfc2_nci_rx_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888055af1138 ((wq_completion)nfc2_nci_rx_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888055af1138 ((wq_completion)nfc2_nci_rx_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888055af1138 ((wq_completion)nfc2_nci_rx_wq){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567
#1: ffffc900057c7d80 ((work_completion)(&ndev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571
#2: ffff888048c5f100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#2: ffff888048c5f100 (&dev->mutex){....}-{3:3}, at: nfc_targets_found+0xe8/0x3d0 net/nfc/core.c:778
3 locks held by kworker/u4:19/8188:
3 locks held by kworker/0:13/8422:
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567
#1: ffffc90005d1fd80 ((work_completion)(&w->w)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e8adc68 (nfc_devlist_mutex){+.+.}-{3:3}, at: nfc_urelease_event_work+0xbb/0x310 net/nfc/netlink.c:1843
6 locks held by kworker/1:11/8462:
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567
#1: ffffc9000602fd80 ((work_completion)(&w->w)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e8adc68 (nfc_devlist_mutex){+.+.}-{3:3}, at: nfc_urelease_event_work+0xbb/0x310 net/nfc/netlink.c:1843
#3: ffff888048c5f508 (&genl_data->genl_data_mutex){+.+.}-{3:3}, at: nfc_urelease_event_work+0x173/0x310 net/nfc/netlink.c:1849
#4: ffff888048c5f100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#4: ffff888048c5f100 (&dev->mutex){....}-{3:3}, at: nfc_stop_poll+0x2d/0x270 net/nfc/core.c:247
#5: ffff88801978a350 (&ndev->req_lock){+.+.}-{3:3}, at: nci_request net/nfc/nci/core.c:149 [inline]
#5: ffff88801978a350 (&ndev->req_lock){+.+.}-{3:3}, at: nci_stop_poll+0xf9/0x1c0 net/nfc/nci/core.c:873
2 locks held by kworker/0:11/11877:
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567
#1: ffffc900044b7d80 ((work_completion)(&dev->recv_work)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571
1 lock held by syz-executor.0/12735:
#0: ffff88801978a350 (&ndev->req_lock){+.+.}-{3:3}, at: nci_close_device+0x6d/0x370 net/nfc/nci/core.c:561
2 locks held by syz-executor.5/12752:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
#1: ffffffff8e8adc68 (nfc_devlist_mutex){+.+.}-{3:3}, at: nfc_register_device+0x32/0x3c0 net/nfc/core.c:1116
1 lock held by syz-executor.1/12765:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.3/12778:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.0/12793:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.5/12800:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.1/12808:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.3/12816:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.0/12822:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.5/12824:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.1/12826:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.3/12830:
#0: ffffffff8d4d6cc8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.5.0-rc1-syzkaller-00276-g20edcec23f92 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2ac/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+0xf29/0x11b0 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4456 Comm: klogd Not tainted 6.5.0-rc1-syzkaller-00276-g20edcec23f92 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:rcu_rdp_cpu_online kernel/rcu/tree.c:4100 [inline]
RIP: 0010:rcu_lockdep_current_cpu_online kernel/rcu/tree.c:4134 [inline]
RIP: 0010:rcu_lockdep_current_cpu_online+0x87/0x140 kernel/rcu/tree.c:4118
Code: 3c 02 00 0f 85 a4 00 00 00 48 03 1c ed 00 4a 39 8c 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 20 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 87 00 00 00 48 8d 7b 18 48 8b 6b 20 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc9000347f7c8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff8880b983d300 RCX: 0000000000000001
RDX: 1ffff11017307a64 RSI: ffffffff8ac7e220 RDI: ffff8880b983d320
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff2307fd0
R10: ffffffff9183fe87 R11: 0000000000000000 R12: ffff88801284d700
R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
FS: 00007ff1442e5380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c003419000 CR3: 000000007d918000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_lock_held_common kernel/rcu/update.c:112 [inline]
rcu_read_lock_sched_held+0x25/0x70 kernel/rcu/update.c:123
task_css.constprop.0+0x62/0x130 include/linux/cgroup.h:436
mem_cgroup_from_task mm/memcontrol.c:1012 [inline]
get_obj_cgroup_from_current+0x119/0x270 mm/memcontrol.c:3033
memcg_slab_pre_alloc_hook mm/slab.h:487 [inline]
slab_pre_alloc_hook mm/slab.h:714 [inline]
slab_alloc_node mm/slab.c:3221 [inline]
__kmem_cache_alloc_node+0x88/0x470 mm/slab.c:3521
__do_kmalloc_node mm/slab_common.c:984 [inline]
__kmalloc_node_track_caller+0x4d/0x100 mm/slab_common.c:1005
kmalloc_reserve+0xef/0x270 net/core/skbuff.c:575
__alloc_skb+0x12b/0x330 net/core/skbuff.c:644
alloc_skb include/linux/skbuff.h:1289 [inline]
alloc_skb_with_frags+0x9d/0x700 net/core/skbuff.c:6233
sock_alloc_send_pskb+0x7c8/0x950 net/core/sock.c:2782
unix_dgram_sendmsg+0x455/0x1c30 net/unix/af_unix.c:1944
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xd9/0x180 net/socket.c:748
__sys_sendto+0x255/0x340 net/socket.c:2134
__do_sys_sendto net/socket.c:2146 [inline]
__se_sys_sendto net/socket.c:2142 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2142
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff1444479b5
Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffd3b23f9c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff1444479b5
RDX: 0000000000000073 RSI: 0000560be4644840 RDI: 0000000000000003
RBP: 0000560be463b2c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007ff1445d5212 R14: 00007ffd3b23fac8 R15: 0000000000000000