BUG: sleeping function called from invalid context at kernel/printk/printk.c:2659
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5920, name: syz-executor.1
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.1/5920:
 #0: ffff88802c3960a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffff88802c396130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:954 [inline]
 #1: ffff88802c396130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: iterate_tty_write drivers/tty/tty_io.c:973 [inline]
 #1: ffff88802c396130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write+0x1f3/0x9b0 drivers/tty/tty_io.c:1096
 #2: ffff8880609dc3e0 (&gsm->tx_lock){....}-{2:2}, at: gsmld_write+0x5f/0x130 drivers/tty/n_gsm.c:3721
irq event stamp: 298
hardirqs last  enabled at (297): [<ffffffff8b7f8586>] syscall_enter_from_user_mode include/linux/entry-common.h:197 [inline]
hardirqs last  enabled at (297): [<ffffffff8b7f8586>] do_syscall_64+0xb6/0x240 arch/x86/entry/common.c:79
hardirqs last disabled at (298): [<ffffffff8b8abc10>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (298): [<ffffffff8b8abc10>] _raw_spin_lock_irqsave+0xb0/0x120 kernel/locking/spinlock.c:162
softirqs last  enabled at (0): [<ffffffff81577db3>] rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
softirqs last  enabled at (0): [<ffffffff81577db3>] rcu_read_lock include/linux/rcupdate.h:781 [inline]
softirqs last  enabled at (0): [<ffffffff81577db3>] copy_process+0xa03/0x3dc0 kernel/fork.c:2259
softirqs last disabled at (0): [<0000000000000000>] 0x0
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 5920 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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+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:2114 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd72187cee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd7225490c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fd7219abf80 RCX: 00007fd72187cee9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fd7218c949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd7219abf80 R15: 00007ffc95c55cc8
 </TASK>