INFO: task kworker/u4:4:57 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc3-next-20230728-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:4    state:D
 stack:24336 pid:57    ppid:2      flags:0x00004000
Workqueue: cfg80211 cfg80211_event_work

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6711
 schedule+0xe7/0x1b0 kernel/sched/core.c:6787
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6846
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 wiphy_lock include/net/cfg80211.h:5773 [inline]
 cfg80211_event_work+0x1f/0x40 net/wireless/core.c:332
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2603
 worker_thread+0x687/0x1110 kernel/workqueue.c:2754
 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:304
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc3-next-20230728-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __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+0xfab/0x1230 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:304
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3155 Comm: kworker/1:2 Not tainted 6.5.0-rc3-next-20230728-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: events cfg80211_wiphy_work
RIP: 0010:io_serial_in+0x87/0xa0 drivers/tty/serial/8250/8250_port.c:410
Code: ad ee fc 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 16 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 e8 2c 7b 43 fd eb a6 e8 85 7b 43 fd eb e3
RSP: 0018:ffffc9000cdb7128 EFLAGS: 00000002
RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000
RDX: 00000000000003fd RSI: ffffffff849856d0 RDI: ffffffff92318020
RBP: ffffffff92317fe0 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 205d383254202020 R12: 0000000000000000
R13: 0000000000000020 R14: fffffbfff2463055 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f608b73d868 CR3: 000000002bdaf000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 serial_in drivers/tty/serial/8250/8250.h:117 [inline]
 serial_lsr_in drivers/tty/serial/8250/8250.h:139 [inline]
 wait_for_lsr+0xd7/0x180 drivers/tty/serial/8250/8250_port.c:2081
 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3365 [inline]
 serial8250_console_write+0xce5/0x1060 drivers/tty/serial/8250/8250_port.c:3443
 console_emit_next_record kernel/printk/printk.c:2910 [inline]
 console_flush_all+0x4e8/0xf70 kernel/printk/printk.c:2966
 console_unlock+0x10c/0x260 kernel/printk/printk.c:3035
 vprintk_emit+0x189/0x630 kernel/printk/printk.c:2307
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2332
 ieee80211_parse_ch_switch_ie+0xeb0/0x1030 net/mac80211/spectmgmt.c:88
 ieee80211_ibss_process_chanswitch.constprop.0+0x274/0xfd0 net/mac80211/ibss.c:803
 ieee80211_rx_mgmt_spectrum_mgmt net/mac80211/ibss.c:931 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x23cf/0x2ee0 net/mac80211/ibss.c:1666
 ieee80211_iface_process_skb net/mac80211/iface.c:1604 [inline]
 ieee80211_iface_work+0xa1f/0xd40 net/mac80211/iface.c:1658
 cfg80211_wiphy_work+0x24e/0x330 net/wireless/core.c:435
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2603
 process_scheduled_works kernel/workqueue.c:2670 [inline]
 worker_thread+0x896/0x1110 kernel/workqueue.c:2756
 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:304
 </TASK>