BUG: sleeping function called from invalid context at kernel/printk/printk.c:2659
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 7, name: kworker/0:0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by kworker/0:0/7:
 #0: ffff0000c0028948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x668/0x15d4 kernel/workqueue.c:3241
 #1: ffff800093c17c20 ((work_completion)(&gsm->tx_work)){+.+.}-{0:0}, at: process_one_work+0x6b4/0x15d4 kernel/workqueue.c:3241
 #2: ffff0000d90673e0 (&gsm->tx_lock){....}-{2:2}, at: gsmld_write_task+0x44/0x89c drivers/tty/n_gsm.c:3494
irq event stamp: 364670
hardirqs last  enabled at (364669): [<ffff80008af7cb84>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (364669): [<ffff80008af7cb84>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (364670): [<ffff80008af7c924>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (364670): [<ffff80008af7c924>] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162
softirqs last  enabled at (364622): [<ffff8000801e6eb8>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (364622): [<ffff8000801e6eb8>] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582
softirqs last disabled at (364595): [<ffff800080020de8>] __do_softirq+0x14/0x20 kernel/softirq.c:588
Preemption disabled at:
[<ffff800083c186ac>] gsmld_write_task+0x44/0x89c drivers/tty/n_gsm.c:3494
CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events gsmld_write_task
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114
 dump_stack+0x1c/0x28 lib/dump_stack.c:123
 __might_resched+0x374/0x4d0 kernel/sched/core.c:10197
 __might_sleep+0x90/0xe4 kernel/sched/core.c:10126
 console_lock+0x38/0x204 kernel/printk/printk.c:2659
 do_con_write+0x130/0x3d28 drivers/tty/vt/vt.c:3056
 con_write+0x34/0x58 drivers/tty/vt/vt.c:3434
 gsmld_output drivers/tty/n_gsm.c:3461 [inline]
 gsm_send_packet+0x5d8/0x7b0 drivers/tty/n_gsm.c:964
 gsm_data_kick drivers/tty/n_gsm.c:1026 [inline]
 gsmld_write_task+0x130/0x89c drivers/tty/n_gsm.c:3496
 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267
 process_scheduled_works kernel/workqueue.c:3348 [inline]
 worker_thread+0x938/0xef4 kernel/workqueue.c:3429
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860