INFO: task kworker/u4:3:9077 blocked for more than 143 seconds.
Not tainted 6.6.0-rc3-syzkaller-00055-g9ed22ae6be81 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:3 state:D stack:23424 pid:9077 ppid:2 flags:0x00004000
Workqueue: nfc2_nci_rx_wq nci_rx_work
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 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+0x969/0x1340 kernel/locking/mutex.c:747
device_lock include/linux/device.h:992 [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+0x1478/0x2ce0 net/nfc/nci/ntf.c:798
nci_rx_work+0x17f/0x320 net/nfc/nci/core.c:1517
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 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:304
INFO: task syz-executor.1:4569 blocked for more than 143 seconds.
Not tainted 6.6.0-rc3-syzkaller-00055-g9ed22ae6be81 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26960 pid:4569 ppid:20003 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_timeout+0x278/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_workqueue+0x3e0/0x1320 kernel/workqueue.c:3195
nci_close_device+0x14c/0x380 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+0x3f7/0xa70 fs/file_table.c:384
task_work_run+0x14d/0x240 kernel/task_work.c:180
get_signal+0x106f/0x2790 kernel/signal.c:2668
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
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:285 [inline]
syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0222a7cae9
RSP: 002b:00007f022373e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffff2 RBX: 00007f0222b9bf80 RCX: 00007f0222a7cae9
RDX: 0000000000000064 RSI: 0000000020000840 RDI: 0000000000000003
RBP: 00007f0222ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0222b9bf80 R15: 00007ffcf5656308
INFO: task syz-executor.1:4573 blocked for more than 143 seconds.
Not tainted 6.6.0-rc3-syzkaller-00055-g9ed22ae6be81 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24992 pid:4573 ppid:20003 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 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+0x969/0x1340 kernel/locking/mutex.c:747
nci_request net/nfc/nci/core.c:149 [inline]
nci_set_local_general_bytes net/nfc/nci/core.c:775 [inline]
nci_start_poll+0x580/0x9b0 net/nfc/nci/core.c:839
nfc_start_poll+0x192/0x320 net/nfc/core.c:225
nfc_genl_start_poll+0x1ac/0x470 net/nfc/netlink.c:828
genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:971
genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline]
genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
sock_sendmsg+0xd9/0x180 net/socket.c:753
____sys_sendmsg+0x6ac/0x940 net/socket.c:2541
___sys_sendmsg+0x135/0x1d0 net/socket.c:2595
__sys_sendmsg+0x117/0x1e0 net/socket.c:2624
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: 0033:0x7f0222a7cae9
RSP: 002b:00007f022371d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f0222b9c050 RCX: 00007f0222a7cae9
RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000005
RBP: 00007f022371d120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000006e R14: 00007f0222b9c050 R15: 00007ffcf5656308
INFO: task syz-executor.1:4578 blocked for more than 144 seconds.
Not tainted 6.6.0-rc3-syzkaller-00055-g9ed22ae6be81 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28224 pid:4578 ppid:20003 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 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+0x969/0x1340 kernel/locking/mutex.c:747
genl_lock net/netlink/genetlink.c:33 [inline]
genl_op_lock net/netlink/genetlink.c:58 [inline]
genl_op_lock net/netlink/genetlink.c:55 [inline]
genl_rcv_msg+0x577/0x800 net/netlink/genetlink.c:1065
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
sock_sendmsg+0xd9/0x180 net/socket.c:753
____sys_sendmsg+0x6ac/0x940 net/socket.c:2541
___sys_sendmsg+0x135/0x1d0 net/socket.c:2595
__sys_sendmsg+0x117/0x1e0 net/socket.c:2624
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: 0033:0x7f0222a7cae9
RSP: 002b:00007f0220fbc0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f0222b9c390 RCX: 00007f0222a7cae9
RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005
RBP: 00007f0222ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f0222b9c390 R15: 00007ffcf5656308
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8cbab2a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
#0: ffffffff8cbab2a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
#0: ffffffff8cbab2a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
4 locks held by kworker/u4:11/4411:
#0: ffff8880b983c718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:566 [inline]
#0: ffff8880b983c718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:551
#1: ffff8880b9828888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:999
#2: ffffffff8cbab240 (rcu_read_lock_bh){....}-{1:2}, at: local_bh_disable include/linux/bottom_half.h:20 [inline]
#2: ffffffff8cbab240 (rcu_read_lock_bh){....}-{1:2}, at: rcu_read_lock_bh include/linux/rcupdate.h:801 [inline]
#2: ffffffff8cbab240 (rcu_read_lock_bh){....}-{1:2}, at: mod_peer_timer+0x18/0x2c0 drivers/net/wireguard/timers.c:34
#3: ffff8880b98297d8 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x6bd/0xea0 kernel/time/timer.c:1112
2 locks held by getty/4788:
#0: ffff8880260140a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc5/0x1480 drivers/tty/n_tty.c:2206
3 locks held by kworker/u4:3/9077:
#0: ffff88807cadd538 ((wq_completion)nfc2_nci_rx_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc900053e7d80 ((work_completion)(&ndev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffff888043920100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#2: ffff888043920100 (&dev->mutex){....}-{3:3}, at: nfc_targets_found+0xe8/0x3d0 net/nfc/core.c:778
1 lock held by syz-executor.1/4569:
#0: ffff888043925350 (&ndev->req_lock){+.+.}-{3:3}, at: nci_close_device+0x6d/0x380 net/nfc/nci/core.c:561
5 locks held by syz-executor.1/4573:
#0: ffffffff8e69ced0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1074
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:58 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:55 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x577/0x800 net/netlink/genetlink.c:1065
#2: ffff888043920508 (&genl_data->genl_data_mutex){+.+.}-{3:3}, at: nfc_genl_start_poll+0x19e/0x470 net/nfc/netlink.c:826
#3: ffff888043920100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#3: ffff888043920100 (&dev->mutex){....}-{3:3}, at: nfc_start_poll+0x58/0x320 net/nfc/core.c:208
#4: ffff888043925350 (&ndev->req_lock){+.+.}-{3:3}, at: nci_request net/nfc/nci/core.c:149 [inline]
#4: ffff888043925350 (&ndev->req_lock){+.+.}-{3:3}, at: nci_set_local_general_bytes net/nfc/nci/core.c:775 [inline]
#4: ffff888043925350 (&ndev->req_lock){+.+.}-{3:3}, at: nci_start_poll+0x580/0x9b0 net/nfc/nci/core.c:839
2 locks held by syz-executor.1/4578:
#0: ffffffff8e69ced0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1074
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:58 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:55 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x577/0x800 net/netlink/genetlink.c:1065
2 locks held by syz-executor.1/4634:
#0: ffffffff8e69ced0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1074
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:58 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:55 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x577/0x800 net/netlink/genetlink.c:1065
2 locks held by syz-executor.1/4644:
#0: ffffffff8e69ced0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1074
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:58 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:55 [inline]
#1: ffffffff8e69cf88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x577/0x800 net/netlink/genetlink.c:1065
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc3-syzkaller-00055-g9ed22ae6be81 #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+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 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+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x33c/0x440 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:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4480 Comm: klogd Not tainted 6.6.0-rc3-syzkaller-00055-g9ed22ae6be81 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:restore_regs_and_return_to_kernel+0x2/0x22
Code: 58 58 59 5a 5e 48 89 e7 65 48 8b 24 25 04 a0 00 00 ff 77 30 ff 77 28 ff 77 20 ff 77 18 ff 77 10 ff 37 5f 0f 01 f8 eb 1b 41 5f <41> 5e 41 5d 41 5c 5d 5b 41 5b 41 5a 41 59 41 58 58 59 5a 5e 5f 48
RSP: 0018:ffffc9000319fb30 EFLAGS: 00000046
RAX: 0000000000061f4b RBX: 0000000000000000 RCX: 1ffffffff1d9c411
RDX: 0000000000000000 RSI: ffffffff8a8caaa0 RDI: ffffffff8ae93120
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8ece5217 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS: 00007f1e60fd0380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00436b000 CR3: 000000007dd25000 CR4: 0000000000350ee0
Call Trace:
RIP: 0010:__check_heap_object+0x5e/0x110 mm/slub.c:4768
Code: ff 48 c1 fa 06 48 c1 e2 0c 48 01 ca 48 89 f9 48 29 c1 48 81 f9 ff ff 1f 00 77 05 48 85 c0 75 5a 48 39 d3 72 7d 41 8b 4c 24 18 <48> 89 d8 48 29 d0 48 99 48 f7 f9 89 d3 66 90 41 8b 84 24 c4 00 00
RSP: 0018:ffffc9000319fbd8 EFLAGS: 00000206
RAX: ffff88823bc00000 RBX: ffff88807e131000 RCX: 0000000000001000
RDX: ffff88807e130000 RSI: 0000000000000032 RDI: ffff88807e131000
RBP: 0000000000000032 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888012c42000
R13: 0000000000000001 R14: ffffea0001f84c00 R15: 0000000000000001