BUG: sleeping function called from invalid context at kernel/printk/printk.c:2653 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5074, name: syz-executor622 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor622/5074: #0: ffff88801cf6e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffff88801cf6e130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:954 [inline] #1: ffff88801cf6e130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: iterate_tty_write drivers/tty/tty_io.c:973 [inline] #1: ffff88801cf6e130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write+0x1f3/0x9b0 drivers/tty/tty_io.c:1096 #2: ffff88807fd853e0 (&gsm->tx_lock){....}-{2:2}, at: gsmld_write+0x5f/0x130 drivers/tty/n_gsm.c:3721 irq event stamp: 4202 hardirqs last enabled at (4201): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (4201): [] _raw_spin_unlock_irqrestore+0x8f/0x140 kernel/locking/spinlock.c:194 hardirqs last disabled at (4202): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (4202): [] _raw_spin_lock_irqsave+0xb0/0x120 kernel/locking/spinlock.c:162 softirqs last enabled at (2940): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (2940): [] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 softirqs last disabled at (2885): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (2885): [] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5074 Comm: syz-executor622 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Call Trace: __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:10187 console_lock+0x20/0x1b0 kernel/printk/printk.c:2653 do_con_write+0x114/0x7820 drivers/tty/vt/vt.c:2862 con_write+0x26/0x40 drivers/tty/vt/vt.c:3251 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 do_iter_readv_writev+0x5a6/0x800 vfs_writev+0x395/0xbb0 fs/read_write.c:971 do_writev+0x1b1/0x350 fs/read_write.c:1018 do_syscall_64+0xfd/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7febafbdf669 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffebdd496e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007ffebdd498b8 RCX: 00007febafbdf669 RDX: 0000000000000004 RSI: 0000000020000400 RDI: 0000000000000003 RBP: 00007febafc52610 R08: 00007ffebdd4