INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 PID: 3499 Comm: syz-executor242 Not tainted 5.15.153-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
assign_lock_key+0x21e/0x230 kernel/locking/lockdep.c:937
register_lock_class+0x28a/0x9a0 kernel/locking/lockdep.c:1250
__lock_acquire+0xd7/0x1ff0 kernel/locking/lockdep.c:4891
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
gsmld_write+0x5b/0x120 drivers/tty/n_gsm.c:2926
do_tty_write drivers/tty/tty_io.c:1038 [inline]
file_tty_write+0x561/0x920 drivers/tty/tty_io.c:1110
call_write_iter include/linux/fs.h:2148 [inline]
new_sync_write fs/read_write.c:507 [inline]
vfs_write+0xacf/0xe50 fs/read_write.c:594
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fe09d7fe5a9
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:00007ffcf328d498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffcf328d668 RCX: 00007fe09d7fe5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fe09d871610 R08: 00007ffcf328d668 R09: 00007ffcf328d668
R10: 00007ffcf328d668 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcf328d658 R14: 0000000000000001 R15: 0000000000000001
BUG: sleeping function called from invalid context at kernel/printk/printk.c:2549
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 3499, name: syz-executor242
INFO: lockdep is turned off.
irq event stamp: 15246
hardirqs last enabled at (15245): [] syscall_enter_from_user_mode+0x2e/0x230 kernel/entry/common.c:107
hardirqs last disabled at (15246): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (15246): [] _raw_spin_lock_irqsave+0xac/0x120 kernel/locking/spinlock.c:162
softirqs last enabled at (14836): [] invoke_softirq kernel/softirq.c:432 [inline]
softirqs last enabled at (14836): [] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
softirqs last disabled at (14803): [] invoke_softirq kernel/softirq.c:432 [inline]
softirqs last disabled at (14803): [] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3499 Comm: syz-executor242 Not tainted 5.15.153-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626
console_lock+0x18/0x70 kernel/printk/printk.c:2549
do_con_write+0x110/0x7270 drivers/tty/vt/vt.c:2908
con_write+0x20/0x40 drivers/tty/vt/vt.c:3295
gsmld_write+0xf9/0x120 drivers/tty/n_gsm.c:2929
do_tty_write drivers/tty/tty_io.c:1038 [inline]
file_tty_write+0x561/0x920 drivers/tty/tty_io.c:1110
call_write_iter include/linux/fs.h:2148 [inline]
new_sync_write fs/read_write.c:507 [inline]
vfs_write+0xacf/0xe50 fs/read_write.c:594
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fe09d7fe5a9
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:00007ffcf328d498 EFLAGS: 0000