Warning: Permanently added '10.128.1.48' (ED25519) to the list of known hosts.
[  616.306536][ T7811] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  616.316115][ T7811] CPU: 1 PID: 7811 Comm: syz-executor157 Not tainted 6.5.0-next-20230831-syzkaller #0
[  616.325686][ T7811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  616.335754][ T7811] Call Trace:
[  616.339043][ T7811]  <TASK>
[  616.341989][ T7811]  dump_stack_lvl+0x125/0x1b0
[  616.346714][ T7811]  sysfs_warn_dup+0x7f/0xa0
[  616.351251][ T7811]  sysfs_create_dir_ns+0x247/0x2a0
[  616.356387][ T7811]  ? sysfs_create_mount_point+0xb0/0xb0
[  616.361947][ T7811]  ? spin_bug+0x1d0/0x1d0
[  616.366298][ T7811]  ? get_device_parent+0x10a/0x4e0
[  616.371430][ T7811]  ? class_dir_child_ns_type+0xd/0x60
[  616.376815][ T7811]  kobject_add_internal+0x2c8/0x960
[  616.382024][ T7811]  kobject_add+0x16f/0x240
[  616.386447][ T7811]  ? kset_create_and_add+0x190/0x190
[  616.391743][ T7811]  ? do_raw_spin_unlock+0x173/0x230
[  616.396955][ T7811]  ? kobject_put+0xbe/0x440
[  616.401475][ T7811]  device_add+0x290/0x1ac0
[  616.405898][ T7811]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  616.412756][ T7811]  ? __init_waitqueue_head+0xca/0x150
[  616.418141][ T7811]  tty_register_device_attr+0x38f/0x7b0
[  616.423695][ T7811]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  616.429245][ T7811]  ? lockdep_init_map_type+0x16d/0x7c0
[  616.434721][ T7811]  ? tty_port_init+0x156/0x1b0
[  616.439503][ T7811]  gsm_activate_mux+0x157/0x2d0
[  616.444365][ T7811]  gsmld_ioctl+0x8cc/0x1550
[  616.448887][ T7811]  ? gsm_dlci_config+0xf50/0xf50
[  616.453835][ T7811]  ? __ldsem_down_read_nested+0xe4/0x930
[  616.459487][ T7811]  ? __ldsem_down_read_nested+0xf4/0x930
[  616.465139][ T7811]  ? wake_up_process+0x4/0x10
[  616.469817][ T7811]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  616.475641][ T7811]  ? vt_waitactive+0x380/0x380
[  616.480422][ T7811]  ? gsm_dlci_config+0xf50/0xf50
[  616.485369][ T7811]  tty_ioctl+0x6fd/0x1580
[  616.489707][ T7811]  ? send_break+0x3e0/0x3e0
[  616.494219][ T7811]  ? reacquire_held_locks+0x4b0/0x4b0
[  616.499603][ T7811]  ? rcu_is_watching+0x12/0xb0
[  616.504376][ T7811]  ? __fget_files+0x279/0x410
[  616.509059][ T7811]  ? bpf_lsm_file_ioctl+0x9/0x10
[  616.514016][ T7811]  ? send_break+0x3e0/0x3e0
[  616.518525][ T7811]  __x64_sys_ioctl+0x18f/0x210
[  616.523294][ T7811]  do_syscall_64+0x38/0xb0
[  616.527716][ T7811]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  616.533615][ T7811] RIP: 0033:0x7fc0b6785869
[  616.538027][ T7811] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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
[  616.557638][ T7811] RSP: 002b:00007fc0b6725168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  616.566054][ T7811] RAX: ffffffffffffffda RBX: 00007fc0b680f418 RCX: 00007fc0b6785869
[  616.574026][ T7811] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  616.581995][ T7811] RBP: 00007fc0b680f410 R08: 00007fc0b67256c0 R09: 0000000000000000
[  616.589969][ T7811] R10: 00007fc0b6724e76 R11: 0000000000000246 R12: 00007fc0b680f41c
[  616.597940][ T7811] R13: 000000000000006e R14: 00007ffd55ebb820 R15: 00007ffd55ebb908
[  616.605922][ T7811]  </TASK>
[  616.614283][ T7811] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.