BUG: sleeping function called from invalid context at kernel/printk/printk.c:2634 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5083, name: kworker/0:3 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by kworker/0:3/5083: #0: ffff888013070d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2602 #1: ffffc90003b8fd80 ((work_completion)(&gsm->tx_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2603 #2: ffff888018bf23e0 (&gsm->tx_lock){....}-{2:2}, at: gsmld_write_task+0x2e/0x1040 drivers/tty/n_gsm.c:3494 irq event stamp: 175976 hardirqs last enabled at (175975): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (175975): [] _raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202 hardirqs last disabled at (175976): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (175976): [] _raw_spin_lock_irqsave+0x4e/0x50 kernel/locking/spinlock.c:162 softirqs last enabled at (175890): [] local_bh_enable include/linux/bottom_half.h:33 [inline] softirqs last enabled at (175890): [] srcu_invoke_callbacks+0x2e7/0x490 kernel/rcu/srcutree.c:1743 softirqs last disabled at (175886): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (175886): [] srcu_invoke_callbacks+0x2be/0x490 kernel/rcu/srcutree.c:1741 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5083 Comm: kworker/0:3 Not tainted 6.7.0-rc6-syzkaller-00022-g55cb5f43689d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: events gsmld_write_task Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10151 console_lock+0x34/0x150 kernel/printk/printk.c:2634 do_con_write+0x145/0x7f40 drivers/tty/vt/vt.c:2862 con_write+0x23/0xb0 drivers/tty/vt/vt.c:3251 gsmld_output drivers/tty/n_gsm.c:3461 [inline] gsm_send_packet+0x46b/0xa80 drivers/tty/n_gsm.c:964 gsm_data_kick drivers/tty/n_gsm.c:1026 [inline] gsmld_write_task+0x225/0x1040 drivers/tty/n_gsm.c:3496 process_one_work+0x886/0x15d0 kernel/workqueue.c:2627 process_scheduled_works kernel/workqueue.c:2700 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2781 kthread+0x2c6/0x3a0 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:242 BUG: sleeping function called from invalid context at kernel/printk/printk.c:2634 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5083, name: kworker/0:3 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. irq event stamp: 175987 hardirqs last enabled at (175986): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (175986): [] _raw_spin_unlock_irqrestore+0x4e/0x70 kernel/locking/spinlock.c:194 hardirqs last disabled at (175987): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (175987): [] _raw_spin_lock_irqsave+0x4e/0x50 kernel/locking/spinlock.c:162 softirqs last enabled at (175890): [] local_bh_enable include/linux/bottom_half.h:33 [inline] softirqs last enabled at (175890): [] srcu_invoke_callbacks+0x2e7/0x490 kernel/rcu/srcutree.c:1743 softirqs last disabled at (175981): [] invoke_softirq kernel/softirq.c:427 [inline] softirqs last disabled at (175981): [] __irq_exit_rcu kernel/softirq.c:632 [inline] softirqs last disabled at (175981): [] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5083 Comm: kworker/0:3 Tainted: G W 6.7.0-rc6-syzkaller-00022-g55cb5f43689d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: events gsmld_write_task Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10151 console_lock+0x34/0x150 kernel/printk/printk.c:2634 do_con_write+0x145/0x7f40 drivers/tty/vt/vt.c:2862 con_write+0x23/0xb0 drivers/tty/vt/vt.c:3251 gsmld_output drivers/tty/n_gsm.c:3461 [inline] gsm_send_packet+0x46b/0xa80 drivers/tty/n_gsm.c:964 gsm_data_kick drivers/tty/n_gsm.c:1026 [inline] gsmld_write_task+0x225/0x1040 drivers/tty/n_gsm.c:3496 process_one_work+0x886/0x15d0 kernel/workqueue.c:2627 process_scheduled_works kernel/workqueue.c:2700 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2781 kthread+0x2c6/0x3a0 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:242