BUG: sleeping function called from invalid context at kernel/printk/printk.c:2634
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 6092, name: syz-executor229
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor229/6092:
 #0: ffff0000cc1d20a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff0000cc1d2130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:954 [inline]
 #1: ffff0000cc1d2130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: iterate_tty_write drivers/tty/tty_io.c:973 [inline]
 #1: ffff0000cc1d2130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write+0x188/0x7a4 drivers/tty/tty_io.c:1092
 #2: ffff0000c75b63e0 (&gsm->tx_lock){....}-{2:2}, at: gsmld_write+0x60/0x154 drivers/tty/n_gsm.c:3721
irq event stamp: 11636
hardirqs last  enabled at (11635): [<ffff80008a9188ac>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (11635): [<ffff80008a9188ac>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (11636): [<ffff80008a9186dc>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (11636): [<ffff80008a9186dc>] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162
softirqs last  enabled at (11238): [<ffff80008002189c>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (11238): [<ffff80008002189c>] __do_softirq+0xac8/0xce4 kernel/softirq.c:582
softirqs last disabled at (11207): [<ffff80008002aadc>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81
Preemption disabled at:
[<ffff80008381c724>] gsmld_write+0x60/0x154 drivers/tty/n_gsm.c:3721
CPU: 0 PID: 6092 Comm: syz-executor229 Not tainted 6.7.0-rc4-syzkaller-gd46efae31672 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233
 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 dump_stack+0x1c/0x28 lib/dump_stack.c:113
 __might_resched+0x374/0x4d0 kernel/sched/core.c:10151
 __might_sleep+0x90/0xe4 kernel/sched/core.c:10080
 console_lock+0x38/0x204 kernel/printk/printk.c:2634
 do_con_write+0x110/0x5a90 drivers/tty/vt/vt.c:2862
 con_write+0x34/0x58 drivers/tty/vt/vt.c:3251
 gsmld_write+0x104/0x154 drivers/tty/n_gsm.c:3724
 iterate_tty_write drivers/tty/tty_io.c:1021 [inline]
 file_tty_write+0x410/0x7a4 drivers/tty/tty_io.c:1092
 tty_write+0x48/0x58 drivers/tty/tty_io.c:1113
 do_iter_write+0x654/0xa78 fs/read_write.c:860
 vfs_writev fs/read_write.c:933 [inline]
 do_writev+0x220/0x3ec fs/read_write.c:976
 __do_sys_writev fs/read_write.c:1049 [inline]
 __se_sys_writev fs/read_write.c:1046 [inline]
 __arm64_sys_writev+0x80/0x94 fs/read_write.c:1046
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595