BUG: sleeping function called from invalid context at kernel/printk/printk.c:2659
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 10569, name: kworker/1:5
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
5 locks held by kworker/1:5/10569:
 #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
 #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
 #1: ffffc90004bcfd00 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
 #1: ffffc90004bcfd00 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
 #2: ffff8880243ef0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #3: ffff8880243ef130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:954 [inline]
 #3: ffff8880243ef130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: iterate_tty_write drivers/tty/tty_io.c:973 [inline]
 #3: ffff8880243ef130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write+0x1f3/0x9b0 drivers/tty/tty_io.c:1096
 #4: ffff88803afe03e0 (&gsm->tx_lock){....}-{2:2}, at: gsmld_write+0x5f/0x130 drivers/tty/n_gsm.c:3721
irq event stamp: 13968550
hardirqs last  enabled at (13968549): [<ffffffff8b92d93f>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (13968549): [<ffffffff8b92d93f>] _raw_spin_unlock_irqrestore+0x8f/0x140 kernel/locking/spinlock.c:194
hardirqs last disabled at (13968550): [<ffffffff8b92d640>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (13968550): [<ffffffff8b92d640>] _raw_spin_lock_irqsave+0xb0/0x120 kernel/locking/spinlock.c:162
softirqs last  enabled at (13968542): [<ffffffff815a0c34>] __do_softirq kernel/softirq.c:588 [inline]
softirqs last  enabled at (13968542): [<ffffffff815a0c34>] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last  enabled at (13968542): [<ffffffff815a0c34>] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
softirqs last disabled at (13968523): [<ffffffff815a0c34>] __do_softirq kernel/softirq.c:588 [inline]
softirqs last disabled at (13968523): [<ffffffff815a0c34>] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last disabled at (13968523): [<ffffffff815a0c34>] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 10569 Comm: kworker/1:5 Not tainted 6.9.0-syzkaller-08544-g4b377b4868ef #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events p9_write_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 __might_resched+0x5d4/0x780 kernel/sched/core.c:10196
 console_lock+0x20/0x1b0 kernel/printk/printk.c:2659
 do_con_write+0x154/0x4c30 drivers/tty/vt/vt.c:3056
 con_write+0x26/0x40 drivers/tty/vt/vt.c:3434
 gsmld_write+0x100/0x130 drivers/tty/n_gsm.c:3724
 iterate_tty_write drivers/tty/tty_io.c:1021 [inline]
 file_tty_write+0x551/0x9b0 drivers/tty/tty_io.c:1096
 __kernel_write_iter+0x40f/0x8d0 fs/read_write.c:523
 __kernel_write fs/read_write.c:543 [inline]
 kernel_write+0x217/0x330 fs/read_write.c:564
 p9_fd_write net/9p/trans_fd.c:432 [inline]
 p9_write_work+0x57d/0xd80 net/9p/trans_fd.c:483
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
BUG: scheduling while atomic: kworker/1:5/10569/0x00000002
5 locks held by kworker/1:5/10569:
 #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
 #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
 #1: ffffc90004bcfd00 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
 #1: ffffc90004bcfd00 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
 #2: ffff8880243ef0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #3: ffff8880243ef130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:954 [inline]
 #3: ffff8880243ef130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: iterate_tty_write drivers/tty/tty_io.c:973 [inline]
 #3: ffff8880243ef130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write+0x1f3/0x9b0 drivers/tty/tty_io.c:1096
 #4: ffff88803afe03e0 (&gsm->tx_lock){+.+.}-{2:2}, at: gsmld_write+0x5f/0x130 drivers/tty/n_gsm.c:3721
Modules linked in:
Preemption disabled at:
[<0000000000000000>] 0x0