INFO: task dhcpcd:4735 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc4-syzkaller-00216-g23f9c2c066e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:23664 pid:4735  tgid:4735  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 wait_for_unix_gc+0x150/0x210 net/unix/garbage.c:201
 unix_dgram_sendmsg+0x11a/0x2200 net/unix/af_unix.c:1924
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 sock_write_iter+0x2dd/0x400 net/socket.c:1160
 call_write_iter include/linux/fs.h:2085 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa81/0xcb0 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f014fca5bf2
RSP: 002b:00007ffe773e1628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000558f6b9ff520 RCX: 00007f014fca5bf2
RDX: 0000000000000047 RSI: 00007ffe773e1640 RDI: 0000000000000005
RBP: 00007ffe773e1640 R08: 0000000000000008 R09: 0000000000000036
R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f69d1cefc
R13: 00007ffe773e1a70 R14: 0000558f6ba316c0 R15: 0000000000000001
 </TASK>
INFO: task syz-executor.1:26923 blocked for more than 144 seconds.
      Not tainted 6.8.0-rc4-syzkaller-00216-g23f9c2c066e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:26840 pid:26923 tgid:26920 ppid:5078   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 wait_for_unix_gc+0x150/0x210 net/unix/garbage.c:201
 unix_stream_sendmsg+0xd2/0x1230 net/unix/af_unix.c:2200
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmmsg+0x3b2/0x740 net/socket.c:2724
 __do_sys_sendmmsg net/socket.c:2753 [inline]
 __se_sys_sendmmsg net/socket.c:2750 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2750
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7faa8567dda9
RSP: 002b:00007faa863ba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007faa857abf80 RCX: 00007faa8567dda9
RDX: 0000000000000002 RSI: 00000000200030c0 RDI: 0000000000000003
RBP: 00007faa856ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000040091 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007faa857abf80 R15: 00007ffe4f5a3a98
 </TASK>
INFO: task syz-executor.4:26927 blocked for more than 144 seconds.
      Not tainted 6.8.0-rc4-syzkaller-00216-g23f9c2c066e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:25616 pid:26927 tgid:26926 ppid:5083   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 wait_for_unix_gc+0x150/0x210 net/unix/garbage.c:201
 unix_stream_sendmsg+0xd2/0x1230 net/unix/af_unix.c:2200
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmmsg+0x3b2/0x740 net/socket.c:2724
 __do_sys_sendmmsg net/socket.c:2753 [inline]
 __se_sys_sendmmsg net/socket.c:2750 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2750
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f551767dda9
RSP: 002b:00007f55184c90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f55177abf80 RCX: 00007f551767dda9
RDX: 0000000000000002 RSI: 00000000200030c0 RDI: 0000000000000003
RBP: 00007f55176ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000040091 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f55177abf80 R15: 00007ffc4dc17548
 </TASK>
INFO: task syz-executor.3:26929 blocked for more than 145 seconds.
      Not tainted 6.8.0-rc4-syzkaller-00216-g23f9c2c066e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:26672 pid:26929 tgid:26928 ppid:5082   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 wait_for_unix_gc+0x150/0x210 net/unix/garbage.c:201
 unix_stream_sendmsg+0xd2/0x1230 net/unix/af_unix.c:2200
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmmsg+0x3b2/0x740 net/socket.c:2724
 __do_sys_sendmmsg net/socket.c:2753 [inline]
 __se_sys_sendmmsg net/socket.c:2750 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2750
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f7b2ea7dda9
RSP: 002b:00007f7b2ddff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f7b2ebabf80 RCX: 00007f7b2ea7dda9
RDX: 0000000000000002 RSI: 00000000200030c0 RDI: 0000000000000003
RBP: 00007f7b2eaca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000040091 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7b2ebabf80 R15: 00007fff0e46cf08
 </TASK>
INFO: task syz-executor.0:26949 blocked for more than 145 seconds.
      Not tainted 6.8.0-rc4-syzkaller-00216-g23f9c2c066e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:26840 pid:26949 tgid:26948 ppid:5080   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 wait_for_unix_gc+0x150/0x210 net/unix/garbage.c:201
 unix_stream_sendmsg+0xd2/0x1230 net/unix/af_unix.c:2200
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmmsg+0x3b2/0x740 net/socket.c:2724
 __do_sys_sendmmsg net/socket.c:2753 [inline]
 __se_sys_sendmmsg net/socket.c:2750 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2750
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f1e54c7dda9
RSP: 002b:00007f1e55a2b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f1e54dabf80 RCX: 00007f1e54c7dda9
RDX: 0000000000000001 RSI: 00000000200030c0 RDI: 0000000000000003
RBP: 00007f1e54cca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000040091 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f1e54dabf80 R15: 00007ffe7420ddb8
 </TASK>

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
2 locks held by getty/4817:
 #0: ffff88802b12c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc9000311b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
2 locks held by kworker/1:0/13141:
 #0: ffff888014c8e538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888014c8e538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc90012ca7d20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc90012ca7d20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
2 locks held by kworker/u4:4/16301:
1 lock held by syz-executor.2/26917:
3 locks held by kworker/1:8/27039:
 #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: ffffc90014417d20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc90014417d20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffffffff8f374fc8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:281
5 locks held by kworker/0:7/27045:
 #0: ffff8880b943c958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
 #1: ffff8880b9428988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
 #2: ffffffff94680b00 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_check_no_obj_freed lib/debugobjects.c:978 [inline]
 #2: ffffffff94680b00 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_check_no_obj_freed+0x234/0x580 lib/debugobjects.c:1019
 #3: ffffffff94648820 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x16d/0x510 lib/debugobjects.c:708
 #4: ffff88813fffa810 (&____s->seqcount){.-.-}-{0:0}, at: __debug_check_no_obj_freed lib/debugobjects.c:978 [inline]
 #4: ffff88813fffa810 (&____s->seqcount){.-.-}-{0:0}, at: debug_check_no_obj_freed+0x234/0x580 lib/debugobjects.c:1019
2 locks held by syz-executor.0/27243:
 #0: ffffffff8f374fc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff8f374fc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x82c/0x1040 net/core/rtnetlink.c:6615
 #1: ffffffff8e136478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
 #1: ffffffff8e136478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:995

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc4-syzkaller-00216-g23f9c2c066e7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <TASK>
 __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
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 27045 Comm: kworker/0:7 Not tainted 6.8.0-rc4-syzkaller-00216-g23f9c2c066e7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
RIP: 0010:do_softirq+0x113/0x1e0 kernel/softirq.c:454
Code: c7 c7 00 b1 a9 8b e8 bc aa 0d 0a 65 c6 05 3e 9d aa 7e 01 48 c7 c7 e0 b0 a9 8b e8 a8 aa 0d 0a 65 4c 8b 1d 20 9d aa 7e 49 89 23 <4c> 89 dc e8 d5 7e 18 0a 5c 48 c7 c7 00 b1 a9 8b e8 88 aa 0d 0a 65
RSP: 0018:ffffc900143b79c0 EFLAGS: 00000082
RAX: 0000000000000000 RBX: 1ffff92002876f38 RCX: ffffffff94482303
RDX: dffffc0000000000 RSI: ffffffff8ba9b0e0 RDI: ffffffff8bfe6820
RBP: ffffc900143b7a70 R08: ffffffff8f855aef R09: 1ffffffff1f0ab5d
R10: dffffc0000000000 R11: ffffc90000007ff8 R12: 0000000000000046
R13: 1ffff92002876f58 R14: ffffc900143b7a00 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560c22f9e000 CR3: 000000002da66000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:381
 wg_socket_send_skb_to_peer+0x176/0x1d0 drivers/net/wireguard/socket.c:184
 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
 wg_packet_tx_worker+0x1bf/0x810 drivers/net/wireguard/send.c:276
 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
 </TASK>