BUG: sleeping function called from invalid context at kernel/printk/printk.c:2634
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5062, name: syz-executor333
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor333/5062:
 #0: ffff8880225440a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffff888022544130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:954 [inline]
 #1: ffff888022544130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: iterate_tty_write drivers/tty/tty_io.c:973 [inline]
 #1: ffff888022544130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write+0x1f3/0x9b0 drivers/tty/tty_io.c:1096
 #2: ffff88801e9763e0 (&gsm->tx_lock){....}-{2:2}, at: gsmld_write+0x5f/0x130 drivers/tty/n_gsm.c:3721
irq event stamp: 3360
hardirqs last  enabled at (3359): [<ffffffff8b691c43>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (3359): [<ffffffff8b691c43>] _raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202
hardirqs last disabled at (3360): [<ffffffff8b691860>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (3360): [<ffffffff8b691860>] _raw_spin_lock_irqsave+0xb0/0x120 kernel/locking/spinlock.c:162
softirqs last  enabled at (1610): [<ffffffff8135d693>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last  enabled at (1610): [<ffffffff8135d693>] fpregs_lock arch/x86/include/asm/fpu/api.h:72 [inline]
softirqs last  enabled at (1610): [<ffffffff8135d693>] fpu_reset_fpregs arch/x86/kernel/fpu/core.c:716 [inline]
softirqs last  enabled at (1610): [<ffffffff8135d693>] fpu_flush_thread+0x1e3/0x350 arch/x86/kernel/fpu/core.c:777
softirqs last disabled at (1608): [<ffffffff8135d693>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (1608): [<ffffffff8135d693>] fpregs_lock arch/x86/include/asm/fpu/api.h:72 [inline]
softirqs last disabled at (1608): [<ffffffff8135d693>] fpu_reset_fpregs arch/x86/kernel/fpu/core.c:716 [inline]
softirqs last disabled at (1608): [<ffffffff8135d693>] fpu_flush_thread+0x1e3/0x350 arch/x86/kernel/fpu/core.c:777
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 5062 Comm: syz-executor333 Not tainted 6.8.0-rc7-syzkaller-00017-g29cd507cbec2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
 __might_resched+0x5d3/0x780 kernel/sched/core.c:10176
 console_lock+0x20/0x1b0 kernel/printk/printk.c:2634
 do_con_write+0x114/0x7820 drivers/tty/vt/vt.c:2862
 con_write+0x26/0x40 drivers/tty/vt/vt.c:3251
 gsmld_write+0xfe/0x130 drivers/tty/n_gsm.c:3724
 iterate_tty_write drivers/tty/tty_io.c:1021 [inline]
 file_tty_write+0x54f/0x9b0 drivers/tty/tty_io.c:1096
 call_write_iter include/linux/fs.h:2087 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa81/0xcb0 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f21d263d569
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:00007ffdbc88d658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffdbc88d828 RCX: 00007f21d263d569
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f21d26b0610 R08: 00007ffdbc88d367 R09: 00007ffdbc88d828