[  467.159045][ T2814] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  467.241233][ T2814] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  468.187151][ T2814] hsr_slave_0: left promiscuous mode
[  468.195729][ T2814] hsr_slave_1: left promiscuous mode
[  468.203797][ T2814] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  468.211275][ T2814] batman_adv: batadv0: Removing interface: batadv_slave_0
[  468.225715][ T2814] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  468.234018][ T2814] batman_adv: batadv0: Removing interface: batadv_slave_1
[  468.244324][ T2814] bridge_slave_1: left allmulticast mode
[  468.250033][ T2814] bridge_slave_1: left promiscuous mode
[  468.256748][ T2814] bridge0: port 2(bridge_slave_1) entered disabled state
[  468.268422][ T2814] bridge_slave_0: left allmulticast mode
[  468.274641][ T2814] bridge_slave_0: left promiscuous mode
[  468.281113][ T2814] bridge0: port 1(bridge_slave_0) entered disabled state
[  468.295321][ T2814] veth1_macvtap: left promiscuous mode
[  468.300893][ T2814] veth0_macvtap: left promiscuous mode
[  468.306695][ T2814] veth1_vlan: left promiscuous mode
[  468.312025][ T2814] veth0_vlan: left promiscuous mode
[  468.545782][ T2814] team0 (unregistering): Port device team_slave_1 removed
[  468.562799][ T2814] team0 (unregistering): Port device team_slave_0 removed
[  468.587655][ T2814] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  468.605050][ T2814] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  468.691991][ T2814] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.0.177' (ED25519) to the list of known hosts.
[  472.634368][ T7322] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  472.662403][ T7322] CPU: 0 PID: 7322 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  472.672126][ T7322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  472.682224][ T7322] Call Trace:
[  472.685552][ T7322]  <TASK>
[  472.688519][ T7322]  dump_stack_lvl+0x125/0x1b0
[  472.693345][ T7322]  sysfs_warn_dup+0x7f/0xa0
[  472.697907][ T7322]  sysfs_create_dir_ns+0x237/0x290
[  472.703083][ T7322]  ? sysfs_create_mount_point+0xb0/0xb0
[  472.708685][ T7322]  ? spin_bug+0x1d0/0x1d0
[  472.713105][ T7322]  ? class_dir_child_ns_type+0xd/0x60
[  472.718537][ T7322]  kobject_add_internal+0x2c8/0x960
[  472.723799][ T7322]  kobject_add+0x154/0x220
[  472.728300][ T7322]  ? kset_create_and_add+0x190/0x190
[  472.733645][ T7322]  ? do_raw_spin_unlock+0x173/0x230
[  472.738986][ T7322]  ? kobject_put+0xbe/0x440
[  472.743549][ T7322]  device_add+0x289/0x1a90
[  472.748040][ T7322]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  472.752953][ T7324] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  472.754932][ T7322]  ? __init_waitqueue_head+0xca/0x150
[  472.754982][ T7322]  tty_register_device_attr+0x382/0x7c0
[  472.774337][ T7322]  ? lockdep_init_map_type+0x16d/0x7c0
[  472.779926][ T7322]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  472.785506][ T7322]  ? lockdep_init_map_type+0x16d/0x7c0
[  472.791440][ T7322]  ? __raw_spin_lock_init+0x3a/0x110
[  472.796770][ T7322]  ? tty_port_init+0x156/0x1b0
[  472.801564][ T7322]  gsm_activate_mux+0x170/0x2f0
[  472.806459][ T7322]  gsmld_ioctl+0x876/0x1510
[  472.811022][ T7322]  ? gsm_dlci_config+0xf00/0xf00
[  472.816353][ T7322]  ? __ldsem_down_read_nested+0xe4/0x910
[  472.822013][ T7322]  ? __ldsem_down_read_nested+0xf4/0x910
[  472.827688][ T7322]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  472.833195][ T7322]  ? vt_waitactive+0x360/0x360
[  472.838006][ T7322]  ? gsm_dlci_config+0xf00/0xf00
[  472.842978][ T7322]  tty_ioctl+0x6f8/0x1550
[  472.847355][ T7322]  ? send_break+0x3e0/0x3e0
[  472.851988][ T7322]  ? reacquire_held_locks+0x4b0/0x4b0
[  472.857426][ T7322]  ? rcu_is_watching+0x12/0xb0
[  472.862240][ T7322]  ? do_one_initcall+0xf0/0x620
[  472.867502][ T7322]  ? __fget_files+0x272/0x410
[  472.872256][ T7322]  ? bpf_lsm_file_ioctl+0x9/0x10
[  472.877420][ T7322]  ? send_break+0x3e0/0x3e0
[  472.882077][ T7322]  __x64_sys_ioctl+0x18f/0x210
[  472.886992][ T7322]  do_syscall_64+0x38/0xb0
[  472.891463][ T7322]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  472.897519][ T7322] RIP: 0033:0x7fe65e0fd6e9
[  472.902049][ T7322] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  472.921867][ T7322] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  472.930514][ T7322] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  472.938543][ T7322] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  472.946657][ T7322] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  472.954793][ T7322] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  472.962983][ T7322] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  472.971024][ T7322]  </TASK>
[  472.988534][ T7324] CPU: 0 PID: 7324 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  472.998158][ T7324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  473.008517][ T7324] Call Trace:
[  473.011824][ T7324]  <TASK>
[  473.014788][ T7324]  dump_stack_lvl+0x125/0x1b0
[  473.019511][ T7324]  sysfs_warn_dup+0x7f/0xa0
[  473.024067][ T7324]  sysfs_create_dir_ns+0x237/0x290
[  473.029226][ T7324]  ? sysfs_create_mount_point+0xb0/0xb0
[  473.034820][ T7324]  ? spin_bug+0x1d0/0x1d0
[  473.039305][ T7324]  ? class_dir_child_ns_type+0xd/0x60
[  473.044900][ T7324]  kobject_add_internal+0x2c8/0x960
[  473.050418][ T7324]  kobject_add+0x154/0x220
[  473.054897][ T7324]  ? kset_create_and_add+0x190/0x190
[  473.060239][ T7324]  ? do_raw_spin_unlock+0x173/0x230
[  473.065584][ T7324]  ? kobject_put+0xbe/0x440
[  473.070246][ T7324]  device_add+0x289/0x1a90
[  473.074800][ T7324]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  473.081719][ T7324]  ? __init_waitqueue_head+0xca/0x150
[  473.087216][ T7324]  tty_register_device_attr+0x382/0x7c0
[  473.092917][ T7324]  ? lockdep_init_map_type+0x16d/0x7c0
[  473.098432][ T7324]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  473.104009][ T7324]  ? lockdep_init_map_type+0x16d/0x7c0
[  473.109505][ T7324]  ? __raw_spin_lock_init+0x3a/0x110
[  473.114833][ T7324]  ? tty_port_init+0x156/0x1b0
[  473.119618][ T7324]  gsm_activate_mux+0x170/0x2f0
[  473.124507][ T7324]  gsmld_ioctl+0x876/0x1510
[  473.129237][ T7324]  ? gsm_dlci_config+0xf00/0xf00
[  473.134208][ T7324]  ? __ldsem_down_read_nested+0xe4/0x910
[  473.140266][ T7324]  ? __ldsem_down_read_nested+0xf4/0x910
[  473.146020][ T7324]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  473.151428][ T7324]  ? vt_waitactive+0x360/0x360
[  473.156314][ T7324]  ? gsm_dlci_config+0xf00/0xf00
[  473.161277][ T7324]  tty_ioctl+0x6f8/0x1550
[  473.165658][ T7324]  ? send_break+0x3e0/0x3e0
[  473.170378][ T7324]  ? reacquire_held_locks+0x4b0/0x4b0
[  473.176037][ T7324]  ? sigprocmask+0xf1/0x330
[  473.180667][ T7324]  ? do_sigtimedwait+0x5c0/0x5c0
[  473.185741][ T7324]  ? __fget_files+0x272/0x410
[  473.190712][ T7324]  ? bpf_lsm_file_ioctl+0x9/0x10
[  473.195759][ T7324]  ? send_break+0x3e0/0x3e0
[  473.200390][ T7324]  __x64_sys_ioctl+0x18f/0x210
[  473.205194][ T7324]  do_syscall_64+0x38/0xb0
[  473.209631][ T7324]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  473.215552][ T7324] RIP: 0033:0x7fe65e0fd6e9
[  473.219988][ T7324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  473.240684][ T7324] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  473.249384][ T7324] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  473.257644][ T7324] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  473.265628][ T7324] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  473.273612][ T7324] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  473.281684][ T7324] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  473.289895][ T7324]  </TASK>
[  473.297920][ T7322] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.310911][ T7324] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.620441][ T7328] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  473.632026][ T7328] CPU: 1 PID: 7328 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  473.641408][ T7328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  473.651503][ T7328] Call Trace:
[  473.654829][ T7328]  <TASK>
[  473.657905][ T7328]  dump_stack_lvl+0x125/0x1b0
[  473.662640][ T7328]  sysfs_warn_dup+0x7f/0xa0
[  473.667206][ T7328]  sysfs_create_dir_ns+0x237/0x290
[  473.672384][ T7328]  ? sysfs_create_mount_point+0xb0/0xb0
[  473.678175][ T7328]  ? spin_bug+0x1d0/0x1d0
[  473.682591][ T7328]  ? class_dir_child_ns_type+0xd/0x60
[  473.688105][ T7328]  kobject_add_internal+0x2c8/0x960
[  473.693346][ T7328]  kobject_add+0x154/0x220
[  473.697874][ T7328]  ? kset_create_and_add+0x190/0x190
[  473.703194][ T7328]  ? do_raw_spin_unlock+0x173/0x230
[  473.708511][ T7328]  ? kobject_put+0xbe/0x440
[  473.713137][ T7328]  device_add+0x289/0x1a90
[  473.717682][ T7328]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  473.724921][ T7328]  ? __init_waitqueue_head+0xca/0x150
[  473.730358][ T7328]  tty_register_device_attr+0x382/0x7c0
[  473.736052][ T7328]  ? lockdep_init_map_type+0x16d/0x7c0
[  473.741577][ T7328]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  473.747163][ T7328]  ? lockdep_init_map_type+0x16d/0x7c0
[  473.752740][ T7328]  ? __raw_spin_lock_init+0x3a/0x110
[  473.758075][ T7328]  ? tty_port_init+0x156/0x1b0
[  473.763166][ T7328]  gsm_activate_mux+0x170/0x2f0
[  473.768073][ T7328]  gsmld_ioctl+0x876/0x1510
[  473.772667][ T7328]  ? gsm_dlci_config+0xf00/0xf00
[  473.777646][ T7328]  ? __ldsem_down_read_nested+0xe4/0x910
[  473.783476][ T7328]  ? __ldsem_down_read_nested+0xf4/0x910
[  473.789235][ T7328]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  473.794651][ T7328]  ? vt_waitactive+0x360/0x360
[  473.799450][ T7328]  ? gsm_dlci_config+0xf00/0xf00
[  473.804507][ T7328]  tty_ioctl+0x6f8/0x1550
[  473.808873][ T7328]  ? send_break+0x3e0/0x3e0
[  473.813406][ T7328]  ? reacquire_held_locks+0x4b0/0x4b0
[  473.818804][ T7328]  ? rcu_is_watching+0x12/0xb0
[  473.823601][ T7328]  ? do_one_initcall+0xf0/0x620
[  473.828700][ T7328]  ? __fget_files+0x272/0x410
[  473.833508][ T7328]  ? bpf_lsm_file_ioctl+0x9/0x10
[  473.838563][ T7328]  ? send_break+0x3e0/0x3e0
[  473.843093][ T7328]  __x64_sys_ioctl+0x18f/0x210
[  473.847895][ T7328]  do_syscall_64+0x38/0xb0
[  473.852334][ T7328]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  473.858277][ T7328] RIP: 0033:0x7fe65e0fd6e9
[  473.862705][ T7328] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  473.882853][ T7328] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  473.891462][ T7328] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  473.899450][ T7328] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  473.907613][ T7328] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  473.915773][ T7328] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  473.923854][ T7328] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  473.931948][ T7328]  </TASK>
[  474.004413][ T7328] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  474.371878][ T7331] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  474.399500][ T7331] CPU: 0 PID: 7331 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  474.408792][ T7331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  474.419147][ T7331] Call Trace:
[  474.422457][ T7331]  <TASK>
[  474.425523][ T7331]  dump_stack_lvl+0x125/0x1b0
[  474.430265][ T7331]  sysfs_warn_dup+0x7f/0xa0
[  474.435115][ T7331]  sysfs_create_dir_ns+0x237/0x290
[  474.440390][ T7331]  ? sysfs_create_mount_point+0xb0/0xb0
[  474.446085][ T7331]  ? spin_bug+0x1d0/0x1d0
[  474.450490][ T7331]  ? class_dir_child_ns_type+0xd/0x60
[  474.456123][ T7331]  kobject_add_internal+0x2c8/0x960
[  474.461390][ T7331]  kobject_add+0x154/0x220
[  474.465877][ T7331]  ? kset_create_and_add+0x190/0x190
[  474.471313][ T7331]  ? do_raw_spin_unlock+0x173/0x230
[  474.476678][ T7331]  ? kobject_put+0xbe/0x440
[  474.481252][ T7331]  device_add+0x289/0x1a90
[  474.485753][ T7331]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  474.492669][ T7331]  ? __init_waitqueue_head+0xca/0x150
[  474.498111][ T7331]  tty_register_device_attr+0x382/0x7c0
[  474.503731][ T7331]  ? lockdep_init_map_type+0x16d/0x7c0
[  474.509259][ T7331]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  474.515300][ T7331]  ? lockdep_init_map_type+0x16d/0x7c0
[  474.521004][ T7331]  ? __raw_spin_lock_init+0x3a/0x110
[  474.526355][ T7331]  ? tty_port_init+0x156/0x1b0
[  474.531267][ T7331]  gsm_activate_mux+0x170/0x2f0
[  474.536277][ T7331]  gsmld_ioctl+0x876/0x1510
[  474.540951][ T7331]  ? gsm_dlci_config+0xf00/0xf00
[  474.545964][ T7331]  ? __ldsem_down_read_nested+0xe4/0x910
[  474.551646][ T7331]  ? __ldsem_down_read_nested+0xf4/0x910
[  474.557448][ T7331]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  474.562913][ T7331]  ? vt_waitactive+0x360/0x360
[  474.567742][ T7331]  ? gsm_dlci_config+0xf00/0xf00
[  474.572891][ T7331]  tty_ioctl+0x6f8/0x1550
[  474.577261][ T7331]  ? send_break+0x3e0/0x3e0
[  474.582277][ T7331]  ? reacquire_held_locks+0x4b0/0x4b0
[  474.587783][ T7331]  ? rcu_is_watching+0x12/0xb0
[  474.592657][ T7331]  ? do_one_initcall+0xf0/0x620
[  474.597733][ T7331]  ? __fget_files+0x272/0x410
[  474.602443][ T7331]  ? bpf_lsm_file_ioctl+0x9/0x10
[  474.607408][ T7331]  ? send_break+0x3e0/0x3e0
[  474.612114][ T7331]  __x64_sys_ioctl+0x18f/0x210
[  474.617106][ T7331]  do_syscall_64+0x38/0xb0
[  474.621594][ T7331]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  474.627619][ T7331] RIP: 0033:0x7fe65e0fd6e9
[  474.632069][ T7331] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  474.651716][ T7331] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  474.660171][ T7331] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  474.668280][ T7331] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  474.676544][ T7331] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  474.684633][ T7331] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  474.692906][ T7331] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  474.700924][ T7331]  </TASK>
[  474.710521][ T7332] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  474.719487][ T7332] CPU: 0 PID: 7332 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  474.728855][ T7332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  474.739051][ T7332] Call Trace:
[  474.742347][ T7332]  <TASK>
[  474.745294][ T7332]  dump_stack_lvl+0x125/0x1b0
[  474.750022][ T7332]  sysfs_warn_dup+0x7f/0xa0
[  474.754566][ T7332]  sysfs_create_dir_ns+0x237/0x290
[  474.759727][ T7332]  ? sysfs_create_mount_point+0xb0/0xb0
[  474.765312][ T7332]  ? spin_bug+0x1d0/0x1d0
[  474.769690][ T7332]  ? class_dir_child_ns_type+0xd/0x60
[  474.775144][ T7332]  kobject_add_internal+0x2c8/0x960
[  474.780520][ T7332]  kobject_add+0x154/0x220
[  474.785334][ T7332]  ? kset_create_and_add+0x190/0x190
[  474.790685][ T7332]  ? do_raw_spin_unlock+0x173/0x230
[  474.796098][ T7332]  ? kobject_put+0xbe/0x440
[  474.800725][ T7332]  device_add+0x289/0x1a90
[  474.805263][ T7332]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  474.812182][ T7332]  ? __init_waitqueue_head+0xca/0x150
[  474.817687][ T7332]  tty_register_device_attr+0x382/0x7c0
[  474.823445][ T7332]  ? lockdep_init_map_type+0x16d/0x7c0
[  474.831276][ T7332]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  474.836860][ T7332]  ? lockdep_init_map_type+0x16d/0x7c0
[  474.842358][ T7332]  ? __raw_spin_lock_init+0x3a/0x110
[  474.847686][ T7332]  ? tty_port_init+0x156/0x1b0
[  474.852470][ T7332]  gsm_activate_mux+0x170/0x2f0
[  474.857353][ T7332]  gsmld_ioctl+0x876/0x1510
[  474.861903][ T7332]  ? gsm_dlci_config+0xf00/0xf00
[  474.866871][ T7332]  ? __ldsem_down_read_nested+0xe4/0x910
[  474.872522][ T7332]  ? __ldsem_down_read_nested+0xf4/0x910
[  474.878191][ T7332]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  474.884032][ T7332]  ? vt_waitactive+0x360/0x360
[  474.889266][ T7332]  ? gsm_dlci_config+0xf00/0xf00
[  474.894232][ T7332]  tty_ioctl+0x6f8/0x1550
[  474.898624][ T7332]  ? send_break+0x3e0/0x3e0
[  474.903156][ T7332]  ? reacquire_held_locks+0x4b0/0x4b0
[  474.908640][ T7332]  ? sigprocmask+0xf1/0x330
[  474.913271][ T7332]  ? do_sigtimedwait+0x5c0/0x5c0
[  474.918598][ T7332]  ? __fget_files+0x272/0x410
[  474.923351][ T7332]  ? bpf_lsm_file_ioctl+0x9/0x10
[  474.929109][ T7332]  ? send_break+0x3e0/0x3e0
[  474.933667][ T7332]  __x64_sys_ioctl+0x18f/0x210
[  474.938485][ T7332]  do_syscall_64+0x38/0xb0
[  474.942928][ T7332]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  474.948844][ T7332] RIP: 0033:0x7fe65e0fd6e9
[  474.953275][ T7332] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  474.972989][ T7332] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  474.981680][ T7332] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  474.989697][ T7332] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  474.997869][ T7332] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  475.005856][ T7332] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  475.013930][ T7332] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  475.022048][ T7332]  </TASK>
[  475.025765][ T7331] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.036080][ T7332] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.398459][ T7336] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  475.426191][ T7336] CPU: 1 PID: 7336 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  475.435640][ T7336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  475.446184][ T7336] Call Trace:
[  475.449501][ T7336]  <TASK>
[  475.452559][ T7336]  dump_stack_lvl+0x125/0x1b0
[  475.458072][ T7336]  sysfs_warn_dup+0x7f/0xa0
[  475.462622][ T7336]  sysfs_create_dir_ns+0x237/0x290
[  475.467787][ T7336]  ? sysfs_create_mount_point+0xb0/0xb0
[  475.473394][ T7336]  ? spin_bug+0x1d0/0x1d0
[  475.477774][ T7336]  ? class_dir_child_ns_type+0xd/0x60
[  475.483366][ T7336]  kobject_add_internal+0x2c8/0x960
[  475.488777][ T7336]  kobject_add+0x154/0x220
[  475.493335][ T7336]  ? kset_create_and_add+0x190/0x190
[  475.499206][ T7336]  ? do_raw_spin_unlock+0x173/0x230
[  475.504477][ T7336]  ? kobject_put+0xbe/0x440
[  475.509051][ T7336]  device_add+0x289/0x1a90
[  475.513533][ T7336]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  475.520430][ T7336]  ? __init_waitqueue_head+0xca/0x150
[  475.525922][ T7336]  tty_register_device_attr+0x382/0x7c0
[  475.531587][ T7336]  ? lockdep_init_map_type+0x16d/0x7c0
[  475.537083][ T7336]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  475.542925][ T7336]  ? lockdep_init_map_type+0x16d/0x7c0
[  475.548414][ T7336]  ? __raw_spin_lock_init+0x3a/0x110
[  475.553732][ T7336]  ? tty_port_init+0x156/0x1b0
[  475.558736][ T7336]  gsm_activate_mux+0x170/0x2f0
[  475.563618][ T7336]  gsmld_ioctl+0x876/0x1510
[  475.568158][ T7336]  ? gsm_dlci_config+0xf00/0xf00
[  475.573127][ T7336]  ? __ldsem_down_read_nested+0xe4/0x910
[  475.578952][ T7336]  ? __ldsem_down_read_nested+0xf4/0x910
[  475.584610][ T7336]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  475.590022][ T7336]  ? vt_waitactive+0x360/0x360
[  475.595007][ T7336]  ? gsm_dlci_config+0xf00/0xf00
[  475.600585][ T7336]  tty_ioctl+0x6f8/0x1550
[  475.604940][ T7336]  ? send_break+0x3e0/0x3e0
[  475.609479][ T7336]  ? reacquire_held_locks+0x4b0/0x4b0
[  475.614875][ T7336]  ? rcu_is_watching+0x12/0xb0
[  475.619681][ T7336]  ? do_one_initcall+0xf0/0x620
[  475.624598][ T7336]  ? __fget_files+0x272/0x410
[  475.629420][ T7336]  ? bpf_lsm_file_ioctl+0x9/0x10
[  475.634385][ T7336]  ? send_break+0x3e0/0x3e0
[  475.639121][ T7336]  __x64_sys_ioctl+0x18f/0x210
[  475.644095][ T7336]  do_syscall_64+0x38/0xb0
[  475.648533][ T7336]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  475.654449][ T7336] RIP: 0033:0x7fe65e0fd6e9
[  475.658886][ T7336] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  475.678607][ T7336] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  475.687050][ T7336] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  475.695125][ T7336] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  475.703105][ T7336] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  475.711089][ T7336] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  475.719162][ T7336] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  475.727161][ T7336]  </TASK>
[  475.783184][ T7336] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.136698][ T7339] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.148714][ T7339] CPU: 1 PID: 7339 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  476.158096][ T7339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  476.168195][ T7339] Call Trace:
[  476.171599][ T7339]  <TASK>
[  476.174572][ T7339]  dump_stack_lvl+0x125/0x1b0
[  476.179304][ T7339]  sysfs_warn_dup+0x7f/0xa0
[  476.183867][ T7339]  sysfs_create_dir_ns+0x237/0x290
[  476.189047][ T7339]  ? sysfs_create_mount_point+0xb0/0xb0
[  476.194998][ T7339]  ? spin_bug+0x1d0/0x1d0
[  476.199531][ T7339]  ? class_dir_child_ns_type+0xd/0x60
[  476.202394][ T7340] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.204932][ T7339]  kobject_add_internal+0x2c8/0x960
[  476.204979][ T7339]  kobject_add+0x154/0x220
[  476.205012][ T7339]  ? kset_create_and_add+0x190/0x190
[  476.205045][ T7339]  ? do_raw_spin_unlock+0x173/0x230
[  476.233666][ T7339]  ? kobject_put+0xbe/0x440
[  476.238226][ T7339]  device_add+0x289/0x1a90
[  476.242715][ T7339]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  476.250065][ T7339]  ? __init_waitqueue_head+0xca/0x150
[  476.255484][ T7339]  tty_register_device_attr+0x382/0x7c0
[  476.261183][ T7339]  ? lockdep_init_map_type+0x16d/0x7c0
[  476.266799][ T7339]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  476.272568][ T7339]  ? lockdep_init_map_type+0x16d/0x7c0
[  476.278367][ T7339]  ? __raw_spin_lock_init+0x3a/0x110
[  476.284053][ T7339]  ? tty_port_init+0x156/0x1b0
[  476.288868][ T7339]  gsm_activate_mux+0x170/0x2f0
[  476.293758][ T7339]  gsmld_ioctl+0x876/0x1510
[  476.298298][ T7339]  ? gsm_dlci_config+0xf00/0xf00
[  476.303278][ T7339]  ? __ldsem_down_read_nested+0xe4/0x910
[  476.308931][ T7339]  ? __ldsem_down_read_nested+0xf4/0x910
[  476.314706][ T7339]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  476.320213][ T7339]  ? vt_waitactive+0x360/0x360
[  476.325018][ T7339]  ? gsm_dlci_config+0xf00/0xf00
[  476.329989][ T7339]  tty_ioctl+0x6f8/0x1550
[  476.334436][ T7339]  ? send_break+0x3e0/0x3e0
[  476.339092][ T7339]  ? reacquire_held_locks+0x4b0/0x4b0
[  476.344671][ T7339]  ? rcu_is_watching+0x12/0xb0
[  476.349463][ T7339]  ? __fget_files+0x272/0x410
[  476.354272][ T7339]  ? bpf_lsm_file_ioctl+0x9/0x10
[  476.359257][ T7339]  ? send_break+0x3e0/0x3e0
[  476.363917][ T7339]  __x64_sys_ioctl+0x18f/0x210
[  476.368739][ T7339]  do_syscall_64+0x38/0xb0
[  476.373228][ T7339]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  476.379253][ T7339] RIP: 0033:0x7fe65e0fd6e9
[  476.383871][ T7339] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  476.403779][ T7339] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  476.412237][ T7339] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  476.420240][ T7339] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  476.428237][ T7339] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  476.436311][ T7339] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  476.444296][ T7339] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  476.452396][ T7339]  </TASK>
[  476.456100][ T7340] CPU: 1 PID: 7340 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  476.465346][ T7340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  476.475440][ T7340] Call Trace:
[  476.478993][ T7340]  <TASK>
[  476.482039][ T7340]  dump_stack_lvl+0x125/0x1b0
[  476.486746][ T7340]  sysfs_warn_dup+0x7f/0xa0
[  476.491279][ T7340]  sysfs_create_dir_ns+0x237/0x290
[  476.496498][ T7340]  ? sysfs_create_mount_point+0xb0/0xb0
[  476.502079][ T7340]  ? spin_bug+0x1d0/0x1d0
[  476.506466][ T7340]  ? class_dir_child_ns_type+0xd/0x60
[  476.511893][ T7340]  kobject_add_internal+0x2c8/0x960
[  476.517147][ T7340]  kobject_add+0x154/0x220
[  476.521688][ T7340]  ? kset_create_and_add+0x190/0x190
[  476.527016][ T7340]  ? do_raw_spin_unlock+0x173/0x230
[  476.532252][ T7340]  ? kobject_put+0xbe/0x440
[  476.536802][ T7340]  device_add+0x289/0x1a90
[  476.541550][ T7340]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  476.548659][ T7340]  ? __init_waitqueue_head+0xca/0x150
[  476.554194][ T7340]  tty_register_device_attr+0x382/0x7c0
[  476.559892][ T7340]  ? lockdep_init_map_type+0x16d/0x7c0
[  476.565393][ T7340]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  476.570970][ T7340]  ? lockdep_init_map_type+0x16d/0x7c0
[  476.576461][ T7340]  ? __raw_spin_lock_init+0x3a/0x110
[  476.581783][ T7340]  ? tty_port_init+0x156/0x1b0
[  476.586580][ T7340]  gsm_activate_mux+0x170/0x2f0
[  476.591505][ T7340]  gsmld_ioctl+0x876/0x1510
[  476.596160][ T7340]  ? gsm_dlci_config+0xf00/0xf00
[  476.601337][ T7340]  ? __ldsem_down_read_nested+0xe4/0x910
[  476.607129][ T7340]  ? __ldsem_down_read_nested+0xf4/0x910
[  476.612807][ T7340]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  476.618478][ T7340]  ? vt_waitactive+0x360/0x360
[  476.623280][ T7340]  ? gsm_dlci_config+0xf00/0xf00
[  476.628431][ T7340]  tty_ioctl+0x6f8/0x1550
[  476.632809][ T7340]  ? send_break+0x3e0/0x3e0
[  476.637436][ T7340]  ? reacquire_held_locks+0x4b0/0x4b0
[  476.643014][ T7340]  ? sigprocmask+0xf1/0x330
[  476.648331][ T7340]  ? do_sigtimedwait+0x5c0/0x5c0
[  476.653313][ T7340]  ? __fget_files+0x272/0x410
[  476.658025][ T7340]  ? bpf_lsm_file_ioctl+0x9/0x10
[  476.663099][ T7340]  ? send_break+0x3e0/0x3e0
[  476.667721][ T7340]  __x64_sys_ioctl+0x18f/0x210
[  476.672537][ T7340]  do_syscall_64+0x38/0xb0
[  476.676973][ T7340]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  476.682888][ T7340] RIP: 0033:0x7fe65e0fd6e9
[  476.687318][ T7340] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  476.706994][ T7340] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  476.715554][ T7340] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  476.723564][ T7340] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  476.731741][ T7340] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  476.739732][ T7340] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  476.747716][ T7340] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  476.755719][ T7340]  </TASK>
[  476.763414][ T7339] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.779247][ T7340] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.275875][ T7347] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  477.299488][ T7347] CPU: 1 PID: 7347 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  477.308940][ T7347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  477.319682][ T7347] Call Trace:
[  477.323170][ T7347]  <TASK>
[  477.326148][ T7347]  dump_stack_lvl+0x125/0x1b0
[  477.330896][ T7347]  sysfs_warn_dup+0x7f/0xa0
[  477.335461][ T7347]  sysfs_create_dir_ns+0x237/0x290
[  477.340735][ T7347]  ? sysfs_create_mount_point+0xb0/0xb0
[  477.346436][ T7347]  ? spin_bug+0x1d0/0x1d0
[  477.350920][ T7347]  ? class_dir_child_ns_type+0xd/0x60
[  477.356446][ T7347]  kobject_add_internal+0x2c8/0x960
[  477.361709][ T7347]  kobject_add+0x154/0x220
[  477.366273][ T7347]  ? kset_create_and_add+0x190/0x190
[  477.371810][ T7347]  ? do_raw_spin_unlock+0x173/0x230
[  477.377330][ T7347]  ? kobject_put+0xbe/0x440
[  477.381918][ T7347]  device_add+0x289/0x1a90
[  477.386493][ T7347]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  477.393420][ T7347]  ? __init_waitqueue_head+0xca/0x150
[  477.398857][ T7347]  tty_register_device_attr+0x382/0x7c0
[  477.404504][ T7347]  ? lockdep_init_map_type+0x16d/0x7c0
[  477.410212][ T7347]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  477.415857][ T7347]  ? lockdep_init_map_type+0x16d/0x7c0
[  477.421568][ T7347]  ? __raw_spin_lock_init+0x3a/0x110
[  477.426917][ T7347]  ? tty_port_init+0x156/0x1b0
[  477.431827][ T7347]  gsm_activate_mux+0x170/0x2f0
[  477.436748][ T7347]  gsmld_ioctl+0x876/0x1510
[  477.441331][ T7347]  ? gsm_dlci_config+0xf00/0xf00
[  477.446509][ T7347]  ? __ldsem_down_read_nested+0xe4/0x910
[  477.452291][ T7347]  ? __ldsem_down_read_nested+0xf4/0x910
[  477.457997][ T7347]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  477.463706][ T7347]  ? vt_waitactive+0x360/0x360
[  477.468633][ T7347]  ? gsm_dlci_config+0xf00/0xf00
[  477.473808][ T7347]  tty_ioctl+0x6f8/0x1550
[  477.478199][ T7347]  ? send_break+0x3e0/0x3e0
[  477.482777][ T7347]  ? reacquire_held_locks+0x4b0/0x4b0
[  477.488381][ T7347]  ? rcu_is_watching+0x12/0xb0
[  477.493199][ T7347]  ? do_one_initcall+0xf0/0x620
[  477.498467][ T7347]  ? __fget_files+0x272/0x410
[  477.503300][ T7347]  ? bpf_lsm_file_ioctl+0x9/0x10
[  477.508385][ T7347]  ? send_break+0x3e0/0x3e0
[  477.512960][ T7347]  __x64_sys_ioctl+0x18f/0x210
[  477.517816][ T7347]  do_syscall_64+0x38/0xb0
[  477.522289][ T7347]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  477.528257][ T7347] RIP: 0033:0x7fe65e0fd6e9
[  477.532916][ T7347] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  477.553358][ T7347] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  477.561907][ T7347] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  477.570140][ T7347] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  477.578330][ T7347] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  477.586434][ T7347] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  477.594753][ T7347] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  477.602874][ T7347]  </TASK>
[  477.648768][ T7347] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.943237][ T7352] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  477.972293][ T7352] CPU: 1 PID: 7352 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  477.981599][ T7352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  477.992216][ T7352] Call Trace:
[  477.995619][ T7352]  <TASK>
[  477.998586][ T7352]  dump_stack_lvl+0x125/0x1b0
[  478.003582][ T7352]  sysfs_warn_dup+0x7f/0xa0
[  478.008232][ T7352]  sysfs_create_dir_ns+0x237/0x290
[  478.013411][ T7352]  ? sysfs_create_mount_point+0xb0/0xb0
[  478.018986][ T7352]  ? spin_bug+0x1d0/0x1d0
[  478.023342][ T7352]  ? class_dir_child_ns_type+0xd/0x60
[  478.029005][ T7352]  kobject_add_internal+0x2c8/0x960
[  478.034265][ T7352]  kobject_add+0x154/0x220
[  478.038761][ T7352]  ? kset_create_and_add+0x190/0x190
[  478.044303][ T7352]  ? do_raw_spin_unlock+0x173/0x230
[  478.049658][ T7352]  ? kobject_put+0xbe/0x440
[  478.054228][ T7352]  device_add+0x289/0x1a90
[  478.059063][ T7352]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  478.065996][ T7352]  ? __init_waitqueue_head+0xca/0x150
[  478.071546][ T7352]  tty_register_device_attr+0x382/0x7c0
[  478.077258][ T7352]  ? lockdep_init_map_type+0x16d/0x7c0
[  478.082794][ T7352]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  478.088471][ T7352]  ? lockdep_init_map_type+0x16d/0x7c0
[  478.094091][ T7352]  ? __raw_spin_lock_init+0x3a/0x110
[  478.099444][ T7352]  ? tty_port_init+0x156/0x1b0
[  478.104269][ T7352]  gsm_activate_mux+0x170/0x2f0
[  478.109286][ T7352]  gsmld_ioctl+0x876/0x1510
[  478.113870][ T7352]  ? gsm_dlci_config+0xf00/0xf00
[  478.118877][ T7352]  ? __ldsem_down_read_nested+0xe4/0x910
[  478.124568][ T7352]  ? __ldsem_down_read_nested+0xf4/0x910
[  478.130377][ T7352]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  478.135926][ T7352]  ? vt_waitactive+0x360/0x360
[  478.140855][ T7352]  ? gsm_dlci_config+0xf00/0xf00
[  478.146040][ T7352]  tty_ioctl+0x6f8/0x1550
[  478.150477][ T7352]  ? send_break+0x3e0/0x3e0
[  478.155221][ T7352]  ? reacquire_held_locks+0x4b0/0x4b0
[  478.160670][ T7352]  ? rcu_is_watching+0x12/0xb0
[  478.165502][ T7352]  ? do_one_initcall+0xf0/0x620
[  478.170518][ T7352]  ? __fget_files+0x272/0x410
[  478.175262][ T7352]  ? bpf_lsm_file_ioctl+0x9/0x10
[  478.180360][ T7352]  ? send_break+0x3e0/0x3e0
[  478.184941][ T7352]  __x64_sys_ioctl+0x18f/0x210
[  478.189793][ T7352]  do_syscall_64+0x38/0xb0
[  478.194359][ T7352]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  478.200407][ T7352] RIP: 0033:0x7fe65e0fd6e9
[  478.204889][ T7352] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  478.224669][ T7352] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  478.233393][ T7352] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  478.241410][ T7352] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  478.249521][ T7352] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  478.257625][ T7352] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  478.265640][ T7352] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  478.273703][ T7352]  </TASK>
[  478.315055][ T7352] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.601690][ T7357] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  478.611316][ T7357] CPU: 0 PID: 7357 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  478.620691][ T7357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  478.631178][ T7357] Call Trace:
[  478.634501][ T7357]  <TASK>
[  478.637465][ T7357]  dump_stack_lvl+0x125/0x1b0
[  478.642209][ T7357]  sysfs_warn_dup+0x7f/0xa0
[  478.647121][ T7357]  sysfs_create_dir_ns+0x237/0x290
[  478.652487][ T7357]  ? sysfs_create_mount_point+0xb0/0xb0
[  478.658107][ T7357]  ? spin_bug+0x1d0/0x1d0
[  478.662513][ T7357]  ? class_dir_child_ns_type+0xd/0x60
[  478.667941][ T7357]  kobject_add_internal+0x2c8/0x960
[  478.673188][ T7357]  kobject_add+0x154/0x220
[  478.677724][ T7357]  ? kset_create_and_add+0x190/0x190
[  478.683039][ T7357]  ? do_raw_spin_unlock+0x173/0x230
[  478.688363][ T7357]  ? kobject_put+0xbe/0x440
[  478.692897][ T7357]  device_add+0x289/0x1a90
[  478.697351][ T7357]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  478.704245][ T7357]  ? __init_waitqueue_head+0xca/0x150
[  478.709648][ T7357]  tty_register_device_attr+0x382/0x7c0
[  478.715223][ T7357]  ? lockdep_init_map_type+0x16d/0x7c0
[  478.720722][ T7357]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  478.726293][ T7357]  ? lockdep_init_map_type+0x16d/0x7c0
[  478.731961][ T7357]  ? __raw_spin_lock_init+0x3a/0x110
[  478.737543][ T7357]  ? tty_port_init+0x156/0x1b0
[  478.742336][ T7357]  gsm_activate_mux+0x170/0x2f0
[  478.747308][ T7357]  gsmld_ioctl+0x876/0x1510
[  478.752110][ T7357]  ? gsm_dlci_config+0xf00/0xf00
[  478.757272][ T7357]  ? __ldsem_down_read_nested+0xe4/0x910
[  478.763184][ T7357]  ? __ldsem_down_read_nested+0xf4/0x910
[  478.768930][ T7357]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  478.774423][ T7357]  ? vt_waitactive+0x360/0x360
[  478.779444][ T7357]  ? gsm_dlci_config+0xf00/0xf00
[  478.784525][ T7357]  tty_ioctl+0x6f8/0x1550
[  478.789106][ T7357]  ? send_break+0x3e0/0x3e0
[  478.793746][ T7357]  ? reacquire_held_locks+0x4b0/0x4b0
[  478.799242][ T7357]  ? rcu_is_watching+0x12/0xb0
[  478.804032][ T7357]  ? do_one_initcall+0xf0/0x620
[  478.809094][ T7357]  ? __fget_files+0x272/0x410
[  478.813818][ T7357]  ? bpf_lsm_file_ioctl+0x9/0x10
[  478.818789][ T7357]  ? send_break+0x3e0/0x3e0
[  478.823409][ T7357]  __x64_sys_ioctl+0x18f/0x210
[  478.828609][ T7357]  do_syscall_64+0x38/0xb0
[  478.833143][ T7357]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  478.839066][ T7357] RIP: 0033:0x7fe65e0fd6e9
[  478.843596][ T7357] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  478.863497][ T7357] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  478.872125][ T7357] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  478.880116][ T7357] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  478.888099][ T7357] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  478.896106][ T7357] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  478.904101][ T7357] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  478.912122][ T7357]  </TASK>
[  478.926256][ T7358] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  478.935284][ T7358] CPU: 0 PID: 7358 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  478.944711][ T7358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  478.954836][ T7358] Call Trace:
[  478.958304][ T7358]  <TASK>
[  478.961418][ T7358]  dump_stack_lvl+0x125/0x1b0
[  478.966214][ T7358]  sysfs_warn_dup+0x7f/0xa0
[  478.970737][ T7358]  sysfs_create_dir_ns+0x237/0x290
[  478.975870][ T7358]  ? sysfs_create_mount_point+0xb0/0xb0
[  478.981433][ T7358]  ? spin_bug+0x1d0/0x1d0
[  478.985801][ T7358]  ? class_dir_child_ns_type+0xd/0x60
[  478.991202][ T7358]  kobject_add_internal+0x2c8/0x960
[  478.996431][ T7358]  kobject_add+0x154/0x220
[  479.000878][ T7358]  ? kset_create_and_add+0x190/0x190
[  479.006190][ T7358]  ? do_raw_spin_unlock+0x173/0x230
[  479.011427][ T7358]  ? kobject_put+0xbe/0x440
[  479.015971][ T7358]  device_add+0x289/0x1a90
[  479.020421][ T7358]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  479.027310][ T7358]  ? __init_waitqueue_head+0xca/0x150
[  479.032801][ T7358]  tty_register_device_attr+0x382/0x7c0
[  479.038468][ T7358]  ? lockdep_init_map_type+0x16d/0x7c0
[  479.043956][ T7358]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  479.049722][ T7358]  ? lockdep_init_map_type+0x16d/0x7c0
[  479.055440][ T7358]  ? __raw_spin_lock_init+0x3a/0x110
[  479.060803][ T7358]  ? tty_port_init+0x156/0x1b0
[  479.065713][ T7358]  gsm_activate_mux+0x170/0x2f0
[  479.070707][ T7358]  gsmld_ioctl+0x876/0x1510
[  479.075374][ T7358]  ? gsm_dlci_config+0xf00/0xf00
[  479.080539][ T7358]  ? __ldsem_down_read_nested+0xe4/0x910
[  479.086190][ T7358]  ? __ldsem_down_read_nested+0xf4/0x910
[  479.091859][ T7358]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  479.097266][ T7358]  ? vt_waitactive+0x360/0x360
[  479.102063][ T7358]  ? gsm_dlci_config+0xf00/0xf00
[  479.107035][ T7358]  tty_ioctl+0x6f8/0x1550
[  479.111394][ T7358]  ? send_break+0x3e0/0x3e0
[  479.115964][ T7358]  ? reacquire_held_locks+0x4b0/0x4b0
[  479.121648][ T7358]  ? sigprocmask+0xf1/0x330
[  479.126200][ T7358]  ? do_sigtimedwait+0x5c0/0x5c0
[  479.131204][ T7358]  ? __fget_files+0x272/0x410
[  479.135924][ T7358]  ? bpf_lsm_file_ioctl+0x9/0x10
[  479.140892][ T7358]  ? send_break+0x3e0/0x3e0
[  479.145521][ T7358]  __x64_sys_ioctl+0x18f/0x210
[  479.150575][ T7358]  do_syscall_64+0x38/0xb0
[  479.155185][ T7358]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  479.161107][ T7358] RIP: 0033:0x7fe65e0fd6e9
[  479.165623][ T7358] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  479.185686][ T7358] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  479.194313][ T7358] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  479.202323][ T7358] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  479.210332][ T7358] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  479.218565][ T7358] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  479.226576][ T7358] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  479.234699][ T7358]  </TASK>
[  479.239642][ T7357] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.360973][ T7358] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.674787][ T7361] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  479.696972][ T7361] CPU: 1 PID: 7361 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  479.706256][ T7361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  479.716382][ T7361] Call Trace:
[  479.719786][ T7361]  <TASK>
[  479.723139][ T7361]  dump_stack_lvl+0x125/0x1b0
[  479.728744][ T7361]  sysfs_warn_dup+0x7f/0xa0
[  479.733315][ T7361]  sysfs_create_dir_ns+0x237/0x290
[  479.738586][ T7361]  ? sysfs_create_mount_point+0xb0/0xb0
[  479.744165][ T7361]  ? spin_bug+0x1d0/0x1d0
[  479.748572][ T7361]  ? class_dir_child_ns_type+0xd/0x60
[  479.754031][ T7361]  kobject_add_internal+0x2c8/0x960
[  479.760118][ T7361]  kobject_add+0x154/0x220
[  479.764592][ T7361]  ? kset_create_and_add+0x190/0x190
[  479.769938][ T7361]  ? do_raw_spin_unlock+0x173/0x230
[  479.775379][ T7361]  ? kobject_put+0xbe/0x440
[  479.780213][ T7361]  device_add+0x289/0x1a90
[  479.784841][ T7361]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  479.791949][ T7361]  ? __init_waitqueue_head+0xca/0x150
[  479.797772][ T7361]  tty_register_device_attr+0x382/0x7c0
[  479.803498][ T7361]  ? lockdep_init_map_type+0x16d/0x7c0
[  479.809458][ T7361]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  479.815248][ T7361]  ? lockdep_init_map_type+0x16d/0x7c0
[  479.820876][ T7361]  ? __raw_spin_lock_init+0x3a/0x110
[  479.826317][ T7361]  ? tty_port_init+0x156/0x1b0
[  479.831144][ T7361]  gsm_activate_mux+0x170/0x2f0
[  479.836068][ T7361]  gsmld_ioctl+0x876/0x1510
[  479.840666][ T7361]  ? gsm_dlci_config+0xf00/0xf00
[  479.845769][ T7361]  ? __ldsem_down_read_nested+0xe4/0x910
[  479.847225][ T7362] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  479.851521][ T7361]  ? __ldsem_down_read_nested+0xf4/0x910
[  479.851570][ T7361]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  479.871029][ T7361]  ? vt_waitactive+0x360/0x360
[  479.875851][ T7361]  ? gsm_dlci_config+0xf00/0xf00
[  479.880826][ T7361]  tty_ioctl+0x6f8/0x1550
[  479.885371][ T7361]  ? send_break+0x3e0/0x3e0
[  479.889928][ T7361]  ? reacquire_held_locks+0x4b0/0x4b0
[  479.895357][ T7361]  ? rcu_is_watching+0x12/0xb0
[  479.900173][ T7361]  ? do_one_initcall+0xf0/0x620
[  479.905246][ T7361]  ? __fget_files+0x272/0x410
[  479.909971][ T7361]  ? bpf_lsm_file_ioctl+0x9/0x10
[  479.914951][ T7361]  ? send_break+0x3e0/0x3e0
[  479.919504][ T7361]  __x64_sys_ioctl+0x18f/0x210
[  479.924407][ T7361]  do_syscall_64+0x38/0xb0
[  479.928867][ T7361]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  479.935522][ T7361] RIP: 0033:0x7fe65e0fd6e9
[  479.940055][ T7361] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  479.959954][ T7361] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  479.968772][ T7361] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  479.977546][ T7361] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  479.985544][ T7361] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  479.993552][ T7361] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  480.002177][ T7361] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  480.010574][ T7361]  </TASK>
[  480.020425][ T7362] CPU: 1 PID: 7362 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  480.029788][ T7362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  480.039973][ T7362] Call Trace:
[  480.043289][ T7362]  <TASK>
[  480.046265][ T7362]  dump_stack_lvl+0x125/0x1b0
[  480.051094][ T7362]  sysfs_warn_dup+0x7f/0xa0
[  480.055649][ T7362]  sysfs_create_dir_ns+0x237/0x290
[  480.060812][ T7362]  ? sysfs_create_mount_point+0xb0/0xb0
[  480.066600][ T7362]  ? spin_bug+0x1d0/0x1d0
[  480.071253][ T7362]  ? class_dir_child_ns_type+0xd/0x60
[  480.076674][ T7362]  kobject_add_internal+0x2c8/0x960
[  480.081910][ T7362]  kobject_add+0x154/0x220
[  480.086350][ T7362]  ? kset_create_and_add+0x190/0x190
[  480.091743][ T7362]  ? do_raw_spin_unlock+0x173/0x230
[  480.096980][ T7362]  ? kobject_put+0xbe/0x440
[  480.101523][ T7362]  device_add+0x289/0x1a90
[  480.105975][ T7362]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  480.112855][ T7362]  ? __init_waitqueue_head+0xca/0x150
[  480.118961][ T7362]  tty_register_device_attr+0x382/0x7c0
[  480.124749][ T7362]  ? lockdep_init_map_type+0x16d/0x7c0
[  480.130246][ T7362]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  480.135988][ T7362]  ? lockdep_init_map_type+0x16d/0x7c0
[  480.141736][ T7362]  ? __raw_spin_lock_init+0x3a/0x110
[  480.147224][ T7362]  ? tty_port_init+0x156/0x1b0
[  480.152011][ T7362]  gsm_activate_mux+0x170/0x2f0
[  480.156895][ T7362]  gsmld_ioctl+0x876/0x1510
[  480.161441][ T7362]  ? gsm_dlci_config+0xf00/0xf00
[  480.166544][ T7362]  ? __ldsem_down_read_nested+0xe4/0x910
[  480.172192][ T7362]  ? __ldsem_down_read_nested+0xf4/0x910
[  480.178079][ T7362]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  480.183946][ T7362]  ? vt_waitactive+0x360/0x360
[  480.188757][ T7362]  ? gsm_dlci_config+0xf00/0xf00
[  480.194076][ T7362]  tty_ioctl+0x6f8/0x1550
[  480.198526][ T7362]  ? send_break+0x3e0/0x3e0
[  480.203147][ T7362]  ? reacquire_held_locks+0x4b0/0x4b0
[  480.208631][ T7362]  ? sigprocmask+0xf1/0x330
[  480.213171][ T7362]  ? do_sigtimedwait+0x5c0/0x5c0
[  480.218232][ T7362]  ? __fget_files+0x272/0x410
[  480.223027][ T7362]  ? bpf_lsm_file_ioctl+0x9/0x10
[  480.228345][ T7362]  ? send_break+0x3e0/0x3e0
[  480.233048][ T7362]  __x64_sys_ioctl+0x18f/0x210
[  480.238029][ T7362]  do_syscall_64+0x38/0xb0
[  480.242480][ T7362]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  480.248444][ T7362] RIP: 0033:0x7fe65e0fd6e9
[  480.253220][ T7362] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  480.273238][ T7362] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  480.282067][ T7362] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  480.290055][ T7362] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  480.298055][ T7362] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  480.306155][ T7362] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  480.314212][ T7362] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  480.322223][ T7362]  </TASK>
[  480.333958][ T7361] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.385233][ T7362] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.854064][ T7378] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.872210][ T7378] CPU: 0 PID: 7378 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  480.881836][ T7378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  480.891954][ T7378] Call Trace:
[  480.895361][ T7378]  <TASK>
[  480.898323][ T7378]  dump_stack_lvl+0x125/0x1b0
[  480.903059][ T7378]  sysfs_warn_dup+0x7f/0xa0
[  480.907695][ T7378]  sysfs_create_dir_ns+0x237/0x290
[  480.912957][ T7378]  ? sysfs_create_mount_point+0xb0/0xb0
[  480.918646][ T7378]  ? spin_bug+0x1d0/0x1d0
[  480.923043][ T7378]  ? class_dir_child_ns_type+0xd/0x60
[  480.928463][ T7378]  kobject_add_internal+0x2c8/0x960
[  480.933699][ T7378]  kobject_add+0x154/0x220
[  480.938137][ T7378]  ? kset_create_and_add+0x190/0x190
[  480.943543][ T7378]  ? do_raw_spin_unlock+0x173/0x230
[  480.948784][ T7378]  ? kobject_put+0xbe/0x440
[  480.953408][ T7378]  device_add+0x289/0x1a90
[  480.957876][ T7378]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  480.964846][ T7378]  ? __init_waitqueue_head+0xca/0x150
[  480.970786][ T7378]  tty_register_device_attr+0x382/0x7c0
[  480.976366][ T7378]  ? lockdep_init_map_type+0x16d/0x7c0
[  480.982115][ T7378]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  480.987904][ T7378]  ? lockdep_init_map_type+0x16d/0x7c0
[  480.993535][ T7378]  ? __raw_spin_lock_init+0x3a/0x110
[  480.998967][ T7378]  ? tty_port_init+0x156/0x1b0
[  481.003767][ T7378]  gsm_activate_mux+0x170/0x2f0
[  481.008683][ T7378]  gsmld_ioctl+0x876/0x1510
[  481.013572][ T7378]  ? gsm_dlci_config+0xf00/0xf00
[  481.018630][ T7378]  ? __ldsem_down_read_nested+0xe4/0x910
[  481.024902][ T7378]  ? __ldsem_down_read_nested+0xf4/0x910
[  481.030575][ T7378]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  481.036070][ T7378]  ? vt_waitactive+0x360/0x360
[  481.040873][ T7378]  ? gsm_dlci_config+0xf00/0xf00
[  481.045848][ T7378]  tty_ioctl+0x6f8/0x1550
[  481.050228][ T7378]  ? send_break+0x3e0/0x3e0
[  481.055207][ T7378]  ? reacquire_held_locks+0x4b0/0x4b0
[  481.060607][ T7378]  ? rcu_is_watching+0x12/0xb0
[  481.065490][ T7378]  ? do_one_initcall+0xf0/0x620
[  481.070372][ T7378]  ? __fget_files+0x272/0x410
[  481.075083][ T7378]  ? bpf_lsm_file_ioctl+0x9/0x10
[  481.080044][ T7378]  ? send_break+0x3e0/0x3e0
[  481.084572][ T7378]  __x64_sys_ioctl+0x18f/0x210
[  481.089371][ T7378]  do_syscall_64+0x38/0xb0
[  481.093899][ T7378]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  481.099901][ T7378] RIP: 0033:0x7fe65e0fd6e9
[  481.104344][ T7378] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  481.124315][ T7378] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  481.132748][ T7378] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  481.141263][ T7378] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  481.149538][ T7378] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  481.157785][ T7378] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  481.166123][ T7378] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  481.174212][ T7378]  </TASK>
[  481.195065][ T7380] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  481.218904][ T7380] CPU: 0 PID: 7380 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  481.228284][ T7380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  481.238554][ T7380] Call Trace:
[  481.241869][ T7380]  <TASK>
[  481.244838][ T7380]  dump_stack_lvl+0x125/0x1b0
[  481.246592][ T7378] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  481.249561][ T7380]  sysfs_warn_dup+0x7f/0xa0
[  481.267989][ T7380]  sysfs_create_dir_ns+0x237/0x290
[  481.273165][ T7380]  ? sysfs_create_mount_point+0xb0/0xb0
[  481.278773][ T7380]  ? spin_bug+0x1d0/0x1d0
[  481.283264][ T7380]  ? class_dir_child_ns_type+0xd/0x60
[  481.288699][ T7380]  kobject_add_internal+0x2c8/0x960
[  481.294006][ T7380]  kobject_add+0x154/0x220
[  481.298479][ T7380]  ? kset_create_and_add+0x190/0x190
[  481.303822][ T7380]  ? do_raw_spin_unlock+0x173/0x230
[  481.309176][ T7380]  ? kobject_put+0xbe/0x440
[  481.313837][ T7380]  device_add+0x289/0x1a90
[  481.318418][ T7380]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  481.325341][ T7380]  ? __init_waitqueue_head+0xca/0x150
[  481.331039][ T7380]  tty_register_device_attr+0x382/0x7c0
[  481.336825][ T7380]  ? lockdep_init_map_type+0x16d/0x7c0
[  481.342526][ T7380]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  481.348138][ T7380]  ? lockdep_init_map_type+0x16d/0x7c0
[  481.353672][ T7380]  ? __raw_spin_lock_init+0x3a/0x110
[  481.359027][ T7380]  ? tty_port_init+0x156/0x1b0
[  481.363947][ T7380]  gsm_activate_mux+0x170/0x2f0
[  481.368912][ T7380]  gsmld_ioctl+0x876/0x1510
[  481.373492][ T7380]  ? gsm_dlci_config+0xf00/0xf00
[  481.378579][ T7380]  ? __ldsem_down_read_nested+0xe4/0x910
[  481.384274][ T7380]  ? __ldsem_down_read_nested+0xf4/0x910
[  481.390461][ T7380]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  481.396173][ T7380]  ? vt_waitactive+0x360/0x360
[  481.401221][ T7380]  ? gsm_dlci_config+0xf00/0xf00
[  481.406329][ T7380]  tty_ioctl+0x6f8/0x1550
[  481.410826][ T7380]  ? send_break+0x3e0/0x3e0
[  481.415498][ T7380]  ? reacquire_held_locks+0x4b0/0x4b0
[  481.420977][ T7380]  ? sigprocmask+0xf1/0x330
[  481.425636][ T7380]  ? do_sigtimedwait+0x5c0/0x5c0
[  481.430737][ T7380]  ? __fget_files+0x272/0x410
[  481.435571][ T7380]  ? bpf_lsm_file_ioctl+0x9/0x10
[  481.440656][ T7380]  ? send_break+0x3e0/0x3e0
[  481.445233][ T7380]  __x64_sys_ioctl+0x18f/0x210
[  481.450249][ T7380]  do_syscall_64+0x38/0xb0
[  481.454724][ T7380]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  481.460678][ T7380] RIP: 0033:0x7fe65e0fd6e9
[  481.465252][ T7380] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  481.485611][ T7380] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  481.494094][ T7380] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  481.502300][ T7380] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  481.510654][ T7380] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  481.518766][ T7380] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  481.526865][ T7380] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  481.535085][ T7380]  </TASK>
[  481.554869][ T7380] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  481.918301][ T7389] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  481.956728][ T7389] CPU: 0 PID: 7389 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  481.966102][ T7389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  481.977619][ T7389] Call Trace:
[  481.980933][ T7389]  <TASK>
[  481.983900][ T7389]  dump_stack_lvl+0x125/0x1b0
[  481.988628][ T7389]  sysfs_warn_dup+0x7f/0xa0
[  481.993189][ T7389]  sysfs_create_dir_ns+0x237/0x290
[  481.998531][ T7389]  ? sysfs_create_mount_point+0xb0/0xb0
[  482.004237][ T7389]  ? spin_bug+0x1d0/0x1d0
[  482.008639][ T7389]  ? class_dir_child_ns_type+0xd/0x60
[  482.014150][ T7389]  kobject_add_internal+0x2c8/0x960
[  482.019449][ T7389]  kobject_add+0x154/0x220
[  482.023921][ T7389]  ? kset_create_and_add+0x190/0x190
[  482.029321][ T7389]  ? do_raw_spin_unlock+0x173/0x230
[  482.034599][ T7389]  ? kobject_put+0xbe/0x440
[  482.039428][ T7389]  device_add+0x289/0x1a90
[  482.043909][ T7389]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  482.051002][ T7389]  ? __init_waitqueue_head+0xca/0x150
[  482.056442][ T7389]  tty_register_device_attr+0x382/0x7c0
[  482.062070][ T7389]  ? lockdep_init_map_type+0x16d/0x7c0
[  482.067594][ T7389]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  482.073208][ T7389]  ? lockdep_init_map_type+0x16d/0x7c0
[  482.078929][ T7389]  ? __raw_spin_lock_init+0x3a/0x110
[  482.084378][ T7389]  ? tty_port_init+0x156/0x1b0
[  482.089222][ T7389]  gsm_activate_mux+0x170/0x2f0
[  482.094143][ T7389]  gsmld_ioctl+0x876/0x1510
[  482.098852][ T7389]  ? gsm_dlci_config+0xf00/0xf00
[  482.103869][ T7389]  ? __ldsem_down_read_nested+0xe4/0x910
[  482.109551][ T7389]  ? __ldsem_down_read_nested+0xf4/0x910
[  482.115264][ T7389]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  482.120793][ T7389]  ? vt_waitactive+0x360/0x360
[  482.125632][ T7389]  ? gsm_dlci_config+0xf00/0xf00
[  482.130648][ T7389]  tty_ioctl+0x6f8/0x1550
[  482.135048][ T7389]  ? send_break+0x3e0/0x3e0
[  482.139782][ T7389]  ? reacquire_held_locks+0x4b0/0x4b0
[  482.145307][ T7389]  ? rcu_is_watching+0x12/0xb0
[  482.150126][ T7389]  ? do_one_initcall+0xf0/0x620
[  482.155220][ T7389]  ? __fget_files+0x272/0x410
[  482.159968][ T7389]  ? bpf_lsm_file_ioctl+0x9/0x10
[  482.165051][ T7389]  ? send_break+0x3e0/0x3e0
[  482.169706][ T7389]  __x64_sys_ioctl+0x18f/0x210
[  482.174639][ T7389]  do_syscall_64+0x38/0xb0
[  482.179202][ T7389]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  482.185322][ T7389] RIP: 0033:0x7fe65e0fd6e9
[  482.189955][ T7389] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  482.209795][ T7389] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  482.218442][ T7389] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  482.226503][ T7389] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  482.234694][ T7389] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  482.242802][ T7389] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  482.251180][ T7389] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  482.261143][ T7389]  </TASK>
[  482.339941][ T7389] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.872751][ T7410] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.901325][ T7410] CPU: 0 PID: 7410 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  482.910865][ T7410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  482.921321][ T7410] Call Trace:
[  482.924639][ T7410]  <TASK>
[  482.927697][ T7410]  dump_stack_lvl+0x125/0x1b0
[  482.932514][ T7410]  sysfs_warn_dup+0x7f/0xa0
[  482.937583][ T7410]  sysfs_create_dir_ns+0x237/0x290
[  482.942837][ T7410]  ? sysfs_create_mount_point+0xb0/0xb0
[  482.948430][ T7410]  ? spin_bug+0x1d0/0x1d0
[  482.952912][ T7410]  ? class_dir_child_ns_type+0xd/0x60
[  482.958339][ T7410]  kobject_add_internal+0x2c8/0x960
[  482.963601][ T7410]  kobject_add+0x154/0x220
[  482.968094][ T7410]  ? kset_create_and_add+0x190/0x190
[  482.973459][ T7410]  ? do_raw_spin_unlock+0x173/0x230
[  482.978750][ T7410]  ? kobject_put+0xbe/0x440
[  482.983317][ T7410]  device_add+0x289/0x1a90
[  482.987979][ T7410]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  482.994982][ T7410]  ? __init_waitqueue_head+0xca/0x150
[  483.000427][ T7410]  tty_register_device_attr+0x382/0x7c0
[  483.006225][ T7410]  ? lockdep_init_map_type+0x16d/0x7c0
[  483.011725][ T7410]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  483.017742][ T7410]  ? lockdep_init_map_type+0x16d/0x7c0
[  483.023236][ T7410]  ? __raw_spin_lock_init+0x3a/0x110
[  483.028639][ T7410]  ? tty_port_init+0x156/0x1b0
[  483.033431][ T7410]  gsm_activate_mux+0x170/0x2f0
[  483.038350][ T7410]  gsmld_ioctl+0x876/0x1510
[  483.042891][ T7410]  ? gsm_dlci_config+0xf00/0xf00
[  483.047859][ T7410]  ? __ldsem_down_read_nested+0xe4/0x910
[  483.053872][ T7410]  ? __ldsem_down_read_nested+0xf4/0x910
[  483.059708][ T7410]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  483.065112][ T7410]  ? vt_waitactive+0x360/0x360
[  483.069998][ T7410]  ? gsm_dlci_config+0xf00/0xf00
[  483.074972][ T7410]  tty_ioctl+0x6f8/0x1550
[  483.079332][ T7410]  ? send_break+0x3e0/0x3e0
[  483.084015][ T7410]  ? reacquire_held_locks+0x4b0/0x4b0
[  483.089696][ T7410]  ? rcu_is_watching+0x12/0xb0
[  483.094660][ T7410]  ? do_one_initcall+0xf0/0x620
[  483.099547][ T7410]  ? __fget_files+0x272/0x410
[  483.104374][ T7410]  ? bpf_lsm_file_ioctl+0x9/0x10
[  483.109344][ T7410]  ? send_break+0x3e0/0x3e0
[  483.113894][ T7410]  __x64_sys_ioctl+0x18f/0x210
[  483.118868][ T7410]  do_syscall_64+0x38/0xb0
[  483.123303][ T7410]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  483.129304][ T7410] RIP: 0033:0x7fe65e0fd6e9
[  483.133742][ T7410] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  483.153711][ T7410] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  483.162152][ T7410] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  483.170150][ T7410] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  483.178218][ T7410] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  483.186221][ T7410] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  483.194205][ T7410] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  483.202468][ T7410]  </TASK>
[  483.252128][ T7410] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.805585][ T7424] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  483.842301][ T7424] CPU: 0 PID: 7424 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  483.851590][ T7424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  483.861688][ T7424] Call Trace:
[  483.863189][ T7425] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  483.864978][ T7424]  <TASK>
[  483.864990][ T7424]  dump_stack_lvl+0x125/0x1b0
[  483.865027][ T7424]  sysfs_warn_dup+0x7f/0xa0
[  483.886399][ T7424]  sysfs_create_dir_ns+0x237/0x290
[  483.891654][ T7424]  ? sysfs_create_mount_point+0xb0/0xb0
[  483.897264][ T7424]  ? spin_bug+0x1d0/0x1d0
[  483.901653][ T7424]  ? class_dir_child_ns_type+0xd/0x60
[  483.907163][ T7424]  kobject_add_internal+0x2c8/0x960
[  483.912430][ T7424]  kobject_add+0x154/0x220
[  483.916913][ T7424]  ? kset_create_and_add+0x190/0x190
[  483.922269][ T7424]  ? do_raw_spin_unlock+0x173/0x230
[  483.927529][ T7424]  ? kobject_put+0xbe/0x440
[  483.932103][ T7424]  device_add+0x289/0x1a90
[  483.936589][ T7424]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  483.943499][ T7424]  ? __init_waitqueue_head+0xca/0x150
[  483.949176][ T7424]  tty_register_device_attr+0x382/0x7c0
[  483.954771][ T7424]  ? lockdep_init_map_type+0x16d/0x7c0
[  483.960260][ T7424]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  483.965847][ T7424]  ? lockdep_init_map_type+0x16d/0x7c0
[  483.971461][ T7424]  ? __raw_spin_lock_init+0x3a/0x110
[  483.976786][ T7424]  ? tty_port_init+0x156/0x1b0
[  483.981589][ T7424]  gsm_activate_mux+0x170/0x2f0
[  483.986477][ T7424]  gsmld_ioctl+0x876/0x1510
[  483.991025][ T7424]  ? gsm_dlci_config+0xf00/0xf00
[  483.996272][ T7424]  ? __ldsem_down_read_nested+0xe4/0x910
[  484.002021][ T7424]  ? __ldsem_down_read_nested+0xf4/0x910
[  484.008315][ T7424]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  484.014423][ T7424]  ? vt_waitactive+0x360/0x360
[  484.019312][ T7424]  ? gsm_dlci_config+0xf00/0xf00
[  484.024281][ T7424]  tty_ioctl+0x6f8/0x1550
[  484.028650][ T7424]  ? send_break+0x3e0/0x3e0
[  484.033270][ T7424]  ? reacquire_held_locks+0x4b0/0x4b0
[  484.038677][ T7424]  ? rcu_is_watching+0x12/0xb0
[  484.043467][ T7424]  ? do_one_initcall+0xf0/0x620
[  484.048347][ T7424]  ? __fget_files+0x272/0x410
[  484.053060][ T7424]  ? bpf_lsm_file_ioctl+0x9/0x10
[  484.058285][ T7424]  ? send_break+0x3e0/0x3e0
[  484.062824][ T7424]  __x64_sys_ioctl+0x18f/0x210
[  484.067710][ T7424]  do_syscall_64+0x38/0xb0
[  484.072155][ T7424]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  484.078245][ T7424] RIP: 0033:0x7fe65e0fd6e9
[  484.082679][ T7424] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  484.102479][ T7424] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  484.110918][ T7424] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  484.118938][ T7424] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  484.126987][ T7424] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  484.134982][ T7424] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  484.143066][ T7424] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  484.151284][ T7424]  </TASK>
[  484.155434][ T7425] CPU: 1 PID: 7425 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  484.164697][ T7425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  484.174791][ T7425] Call Trace:
[  484.178103][ T7425]  <TASK>
[  484.181068][ T7425]  dump_stack_lvl+0x125/0x1b0
[  484.185797][ T7425]  sysfs_warn_dup+0x7f/0xa0
[  484.190358][ T7425]  sysfs_create_dir_ns+0x237/0x290
[  484.195530][ T7425]  ? sysfs_create_mount_point+0xb0/0xb0
[  484.201129][ T7425]  ? spin_bug+0x1d0/0x1d0
[  484.205532][ T7425]  ? class_dir_child_ns_type+0xd/0x60
[  484.210973][ T7425]  kobject_add_internal+0x2c8/0x960
[  484.216237][ T7425]  kobject_add+0x154/0x220
[  484.220711][ T7425]  ? kset_create_and_add+0x190/0x190
[  484.226060][ T7425]  ? do_raw_spin_unlock+0x173/0x230
[  484.226573][ T7424] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.231298][ T7425]  ? kobject_put+0xbe/0x440
[  484.231344][ T7425]  device_add+0x289/0x1a90
[  484.254351][ T7425]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  484.261419][ T7425]  ? __init_waitqueue_head+0xca/0x150
[  484.266825][ T7425]  tty_register_device_attr+0x382/0x7c0
[  484.273189][ T7425]  ? lockdep_init_map_type+0x16d/0x7c0
[  484.278762][ T7425]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  484.284333][ T7425]  ? lockdep_init_map_type+0x16d/0x7c0
[  484.289829][ T7425]  ? __raw_spin_lock_init+0x3a/0x110
[  484.295176][ T7425]  ? tty_port_init+0x156/0x1b0
[  484.299963][ T7425]  gsm_activate_mux+0x170/0x2f0
[  484.304959][ T7425]  gsmld_ioctl+0x876/0x1510
[  484.309518][ T7425]  ? gsm_dlci_config+0xf00/0xf00
[  484.314605][ T7425]  ? __ldsem_down_read_nested+0xe4/0x910
[  484.320614][ T7425]  ? __ldsem_down_read_nested+0xf4/0x910
[  484.326277][ T7425]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  484.331950][ T7425]  ? vt_waitactive+0x360/0x360
[  484.336748][ T7425]  ? gsm_dlci_config+0xf00/0xf00
[  484.341723][ T7425]  tty_ioctl+0x6f8/0x1550
[  484.346148][ T7425]  ? send_break+0x3e0/0x3e0
[  484.350773][ T7425]  ? reacquire_held_locks+0x4b0/0x4b0
[  484.356169][ T7425]  ? sigprocmask+0xf1/0x330
[  484.360829][ T7425]  ? do_sigtimedwait+0x5c0/0x5c0
[  484.365833][ T7425]  ? __fget_files+0x272/0x410
[  484.370581][ T7425]  ? bpf_lsm_file_ioctl+0x9/0x10
[  484.375583][ T7425]  ? send_break+0x3e0/0x3e0
[  484.380134][ T7425]  __x64_sys_ioctl+0x18f/0x210
[  484.385055][ T7425]  do_syscall_64+0x38/0xb0
[  484.389610][ T7425]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  484.395587][ T7425] RIP: 0033:0x7fe65e0fd6e9
[  484.400157][ T7425] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  484.419799][ T7425] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  484.428497][ T7425] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  484.436914][ T7425] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  484.444903][ T7425] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  484.453148][ T7425] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  484.461130][ T7425] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  484.469140][ T7425]  </TASK>
[  484.488083][ T7425] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.060058][ T7440] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.082814][ T7440] CPU: 0 PID: 7440 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  485.092270][ T7440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  485.102909][ T7440] Call Trace:
[  485.106489][ T7440]  <TASK>
[  485.109461][ T7440]  dump_stack_lvl+0x125/0x1b0
[  485.114193][ T7440]  sysfs_warn_dup+0x7f/0xa0
[  485.118764][ T7440]  sysfs_create_dir_ns+0x237/0x290
[  485.123934][ T7440]  ? sysfs_create_mount_point+0xb0/0xb0
[  485.129666][ T7440]  ? spin_bug+0x1d0/0x1d0
[  485.134156][ T7440]  ? class_dir_child_ns_type+0xd/0x60
[  485.139759][ T7440]  kobject_add_internal+0x2c8/0x960
[  485.145218][ T7440]  kobject_add+0x154/0x220
[  485.149707][ T7440]  ? kset_create_and_add+0x190/0x190
[  485.155326][ T7440]  ? do_raw_spin_unlock+0x173/0x230
[  485.160602][ T7440]  ? kobject_put+0xbe/0x440
[  485.165172][ T7440]  device_add+0x289/0x1a90
[  485.169647][ T7440]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  485.177263][ T7440]  ? __init_waitqueue_head+0xca/0x150
[  485.182993][ T7440]  tty_register_device_attr+0x382/0x7c0
[  485.188805][ T7440]  ? lockdep_init_map_type+0x16d/0x7c0
[  485.194506][ T7440]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  485.200116][ T7440]  ? lockdep_init_map_type+0x16d/0x7c0
[  485.205844][ T7440]  ? __raw_spin_lock_init+0x3a/0x110
[  485.211200][ T7440]  ? tty_port_init+0x156/0x1b0
[  485.216028][ T7440]  gsm_activate_mux+0x170/0x2f0
[  485.221009][ T7440]  gsmld_ioctl+0x876/0x1510
[  485.225589][ T7440]  ? gsm_dlci_config+0xf00/0xf00
[  485.230595][ T7440]  ? __ldsem_down_read_nested+0xe4/0x910
[  485.236375][ T7440]  ? __ldsem_down_read_nested+0xf4/0x910
[  485.242180][ T7440]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  485.247712][ T7440]  ? vt_waitactive+0x360/0x360
[  485.252805][ T7440]  ? gsm_dlci_config+0xf00/0xf00
[  485.257805][ T7440]  tty_ioctl+0x6f8/0x1550
[  485.262201][ T7440]  ? send_break+0x3e0/0x3e0
[  485.266773][ T7440]  ? reacquire_held_locks+0x4b0/0x4b0
[  485.272304][ T7440]  ? rcu_is_watching+0x12/0xb0
[  485.277119][ T7440]  ? do_one_initcall+0xf0/0x620
[  485.282069][ T7440]  ? __fget_files+0x272/0x410
[  485.286817][ T7440]  ? bpf_lsm_file_ioctl+0x9/0x10
[  485.292161][ T7440]  ? send_break+0x3e0/0x3e0
[  485.296727][ T7440]  __x64_sys_ioctl+0x18f/0x210
[  485.301572][ T7440]  do_syscall_64+0x38/0xb0
[  485.306041][ T7440]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  485.311989][ T7440] RIP: 0033:0x7fe65e0fd6e9
[  485.316455][ T7440] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  485.336320][ T7440] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  485.344873][ T7440] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  485.352978][ T7440] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  485.361013][ T7440] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  485.369119][ T7440] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  485.377231][ T7440] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  485.385362][ T7440]  </TASK>
[  485.417052][ T7440] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.899002][ T7457] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.917370][ T7457] CPU: 0 PID: 7457 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  485.926643][ T7457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  485.936743][ T7457] Call Trace:
[  485.940058][ T7457]  <TASK>
[  485.943112][ T7457]  dump_stack_lvl+0x125/0x1b0
[  485.947844][ T7457]  sysfs_warn_dup+0x7f/0xa0
[  485.952419][ T7457]  sysfs_create_dir_ns+0x237/0x290
[  485.957586][ T7457]  ? sysfs_create_mount_point+0xb0/0xb0
[  485.963216][ T7457]  ? spin_bug+0x1d0/0x1d0
[  485.967718][ T7457]  ? class_dir_child_ns_type+0xd/0x60
[  485.973492][ T7457]  kobject_add_internal+0x2c8/0x960
[  485.979193][ T7457]  kobject_add+0x154/0x220
[  485.983673][ T7457]  ? kset_create_and_add+0x190/0x190
[  485.989121][ T7457]  ? do_raw_spin_unlock+0x173/0x230
[  485.994562][ T7457]  ? kobject_put+0xbe/0x440
[  485.999934][ T7457]  device_add+0x289/0x1a90
[  486.004520][ T7457]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  486.011619][ T7457]  ? __init_waitqueue_head+0xca/0x150
[  486.017159][ T7457]  tty_register_device_attr+0x382/0x7c0
[  486.022854][ T7457]  ? lockdep_init_map_type+0x16d/0x7c0
[  486.028482][ T7457]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  486.034105][ T7457]  ? lockdep_init_map_type+0x16d/0x7c0
[  486.039808][ T7457]  ? __raw_spin_lock_init+0x3a/0x110
[  486.045612][ T7457]  ? tty_port_init+0x156/0x1b0
[  486.050526][ T7457]  gsm_activate_mux+0x170/0x2f0
[  486.055557][ T7457]  gsmld_ioctl+0x876/0x1510
[  486.060313][ T7457]  ? gsm_dlci_config+0xf00/0xf00
[  486.065445][ T7457]  ? __ldsem_down_read_nested+0xe4/0x910
[  486.071130][ T7457]  ? __ldsem_down_read_nested+0xf4/0x910
[  486.076826][ T7457]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  486.082268][ T7457]  ? vt_waitactive+0x360/0x360
[  486.087209][ T7457]  ? gsm_dlci_config+0xf00/0xf00
[  486.092213][ T7457]  tty_ioctl+0x6f8/0x1550
[  486.096874][ T7457]  ? send_break+0x3e0/0x3e0
[  486.101451][ T7457]  ? reacquire_held_locks+0x4b0/0x4b0
[  486.106899][ T7457]  ? rcu_is_watching+0x12/0xb0
[  486.111806][ T7457]  ? do_one_initcall+0xf0/0x620
[  486.116723][ T7457]  ? __fget_files+0x272/0x410
[  486.121467][ T7457]  ? bpf_lsm_file_ioctl+0x9/0x10
[  486.126549][ T7457]  ? send_break+0x3e0/0x3e0
[  486.131200][ T7457]  __x64_sys_ioctl+0x18f/0x210
[  486.136078][ T7457]  do_syscall_64+0x38/0xb0
[  486.140814][ T7457]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  486.146857][ T7457] RIP: 0033:0x7fe65e0fd6e9
[  486.151331][ T7457] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  486.171766][ T7457] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  486.180513][ T7457] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  486.188788][ T7457] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  486.196877][ T7457] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  486.204982][ T7457] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  486.213002][ T7457] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  486.221127][ T7457]  </TASK>
[  486.320058][ T7457] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.783352][ T7472] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  486.825207][ T7472] CPU: 0 PID: 7472 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  486.834502][ T7472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  486.835780][ T7473] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  486.844582][ T7472] Call Trace:
[  486.844595][ T7472]  <TASK>
[  486.844605][ T7472]  dump_stack_lvl+0x125/0x1b0
[  486.844644][ T7472]  sysfs_warn_dup+0x7f/0xa0
[  486.844676][ T7472]  sysfs_create_dir_ns+0x237/0x290
[  486.873832][ T7472]  ? sysfs_create_mount_point+0xb0/0xb0
[  486.879455][ T7472]  ? spin_bug+0x1d0/0x1d0
[  486.883854][ T7472]  ? class_dir_child_ns_type+0xd/0x60
[  486.889275][ T7472]  kobject_add_internal+0x2c8/0x960
[  486.894516][ T7472]  kobject_add+0x154/0x220
[  486.899070][ T7472]  ? kset_create_and_add+0x190/0x190
[  486.904428][ T7472]  ? do_raw_spin_unlock+0x173/0x230
[  486.909781][ T7472]  ? kobject_put+0xbe/0x440
[  486.914439][ T7472]  device_add+0x289/0x1a90
[  486.919020][ T7472]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  486.926030][ T7472]  ? __init_waitqueue_head+0xca/0x150
[  486.931559][ T7472]  tty_register_device_attr+0x382/0x7c0
[  486.937267][ T7472]  ? lockdep_init_map_type+0x16d/0x7c0
[  486.942948][ T7472]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  486.948560][ T7472]  ? lockdep_init_map_type+0x16d/0x7c0
[  486.954223][ T7472]  ? __raw_spin_lock_init+0x3a/0x110
[  486.959644][ T7472]  ? tty_port_init+0x156/0x1b0
[  486.964434][ T7472]  gsm_activate_mux+0x170/0x2f0
[  486.969493][ T7472]  gsmld_ioctl+0x876/0x1510
[  486.974120][ T7472]  ? gsm_dlci_config+0xf00/0xf00
[  486.979189][ T7472]  ? __ldsem_down_read_nested+0xe4/0x910
[  486.985149][ T7472]  ? __ldsem_down_read_nested+0xf4/0x910
[  486.990946][ T7472]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  486.996873][ T7472]  ? vt_waitactive+0x360/0x360
[  487.001768][ T7472]  ? gsm_dlci_config+0xf00/0xf00
[  487.006824][ T7472]  tty_ioctl+0x6f8/0x1550
[  487.011810][ T7472]  ? send_break+0x3e0/0x3e0
[  487.016788][ T7472]  ? reacquire_held_locks+0x4b0/0x4b0
[  487.022287][ T7472]  ? rcu_is_watching+0x12/0xb0
[  487.027160][ T7472]  ? do_one_initcall+0xf0/0x620
[  487.032129][ T7472]  ? __fget_files+0x272/0x410
[  487.037103][ T7472]  ? bpf_lsm_file_ioctl+0x9/0x10
[  487.042152][ T7472]  ? send_break+0x3e0/0x3e0
[  487.046773][ T7472]  __x64_sys_ioctl+0x18f/0x210
[  487.052017][ T7472]  do_syscall_64+0x38/0xb0
[  487.056453][ T7472]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  487.062453][ T7472] RIP: 0033:0x7fe65e0fd6e9
[  487.066967][ T7472] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  487.087136][ T7472] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  487.095816][ T7472] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  487.103810][ T7472] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  487.111799][ T7472] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  487.119786][ T7472] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  487.127860][ T7472] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  487.135873][ T7472]  </TASK>
[  487.145574][ T7473] CPU: 1 PID: 7473 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  487.152947][ T7472] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  487.154823][ T7473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  487.154839][ T7473] Call Trace:
[  487.154849][ T7473]  <TASK>
[  487.154858][ T7473]  dump_stack_lvl+0x125/0x1b0
[  487.154894][ T7473]  sysfs_warn_dup+0x7f/0xa0
[  487.154924][ T7473]  sysfs_create_dir_ns+0x237/0x290
[  487.202680][ T7473]  ? sysfs_create_mount_point+0xb0/0xb0
[  487.208295][ T7473]  ? spin_bug+0x1d0/0x1d0
[  487.212971][ T7473]  ? class_dir_child_ns_type+0xd/0x60
[  487.218518][ T7473]  kobject_add_internal+0x2c8/0x960
[  487.223783][ T7473]  kobject_add+0x154/0x220
[  487.228276][ T7473]  ? kset_create_and_add+0x190/0x190
[  487.233620][ T7473]  ? do_raw_spin_unlock+0x173/0x230
[  487.238867][ T7473]  ? kobject_put+0xbe/0x440
[  487.243493][ T7473]  device_add+0x289/0x1a90
[  487.248052][ T7473]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  487.255107][ T7473]  ? __init_waitqueue_head+0xca/0x150
[  487.260605][ T7473]  tty_register_device_attr+0x382/0x7c0
[  487.266265][ T7473]  ? lockdep_init_map_type+0x16d/0x7c0
[  487.271859][ T7473]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  487.277613][ T7473]  ? lockdep_init_map_type+0x16d/0x7c0
[  487.283105][ T7473]  ? __raw_spin_lock_init+0x3a/0x110
[  487.288853][ T7473]  ? tty_port_init+0x156/0x1b0
[  487.293639][ T7473]  gsm_activate_mux+0x170/0x2f0
[  487.298615][ T7473]  gsmld_ioctl+0x876/0x1510
[  487.303184][ T7473]  ? gsm_dlci_config+0xf00/0xf00
[  487.308161][ T7473]  ? __ldsem_down_read_nested+0xe4/0x910
[  487.313824][ T7473]  ? __ldsem_down_read_nested+0xf4/0x910
[  487.319486][ T7473]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  487.324979][ T7473]  ? vt_waitactive+0x360/0x360
[  487.329775][ T7473]  ? gsm_dlci_config+0xf00/0xf00
[  487.334743][ T7473]  tty_ioctl+0x6f8/0x1550
[  487.339280][ T7473]  ? send_break+0x3e0/0x3e0
[  487.343911][ T7473]  ? reacquire_held_locks+0x4b0/0x4b0
[  487.349308][ T7473]  ? sigprocmask+0xf1/0x330
[  487.353856][ T7473]  ? do_sigtimedwait+0x5c0/0x5c0
[  487.358833][ T7473]  ? __fget_files+0x272/0x410
[  487.363548][ T7473]  ? bpf_lsm_file_ioctl+0x9/0x10
[  487.368635][ T7473]  ? send_break+0x3e0/0x3e0
[  487.373283][ T7473]  __x64_sys_ioctl+0x18f/0x210
[  487.378111][ T7473]  do_syscall_64+0x38/0xb0
[  487.382654][ T7473]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  487.388838][ T7473] RIP: 0033:0x7fe65e0fd6e9
[  487.393269][ T7473] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  487.413801][ T7473] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  487.422463][ T7473] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  487.430456][ T7473] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  487.438537][ T7473] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  487.446531][ T7473] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  487.454599][ T7473] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  487.462690][ T7473]  </TASK>
[  487.570410][ T7473] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.025767][ T7488] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  488.049483][ T7488] CPU: 0 PID: 7488 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  488.058770][ T7488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  488.069994][ T7488] Call Trace:
[  488.073512][ T7488]  <TASK>
[  488.076488][ T7488]  dump_stack_lvl+0x125/0x1b0
[  488.081219][ T7488]  sysfs_warn_dup+0x7f/0xa0
[  488.085783][ T7488]  sysfs_create_dir_ns+0x237/0x290
[  488.091044][ T7488]  ? sysfs_create_mount_point+0xb0/0xb0
[  488.096656][ T7488]  ? spin_bug+0x1d0/0x1d0
[  488.101054][ T7488]  ? class_dir_child_ns_type+0xd/0x60
[  488.106584][ T7488]  kobject_add_internal+0x2c8/0x960
[  488.111944][ T7488]  kobject_add+0x154/0x220
[  488.116411][ T7488]  ? kset_create_and_add+0x190/0x190
[  488.121752][ T7488]  ? do_raw_spin_unlock+0x173/0x230
[  488.127126][ T7488]  ? kobject_put+0xbe/0x440
[  488.131792][ T7488]  device_add+0x289/0x1a90
[  488.136278][ T7488]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  488.143749][ T7488]  ? __init_waitqueue_head+0xca/0x150
[  488.149367][ T7488]  tty_register_device_attr+0x382/0x7c0
[  488.154977][ T7488]  ? lockdep_init_map_type+0x16d/0x7c0
[  488.160823][ T7488]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  488.166667][ T7488]  ? lockdep_init_map_type+0x16d/0x7c0
[  488.172334][ T7488]  ? __raw_spin_lock_init+0x3a/0x110
[  488.178192][ T7488]  ? tty_port_init+0x156/0x1b0
[  488.183143][ T7488]  gsm_activate_mux+0x170/0x2f0
[  488.188176][ T7488]  gsmld_ioctl+0x876/0x1510
[  488.192749][ T7488]  ? gsm_dlci_config+0xf00/0xf00
[  488.197813][ T7488]  ? __ldsem_down_read_nested+0xe4/0x910
[  488.203591][ T7488]  ? __ldsem_down_read_nested+0xf4/0x910
[  488.209486][ T7488]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  488.215090][ T7488]  ? vt_waitactive+0x360/0x360
[  488.219989][ T7488]  ? gsm_dlci_config+0xf00/0xf00
[  488.225156][ T7488]  tty_ioctl+0x6f8/0x1550
[  488.229752][ T7488]  ? send_break+0x3e0/0x3e0
[  488.234760][ T7488]  ? reacquire_held_locks+0x4b0/0x4b0
[  488.240290][ T7488]  ? rcu_is_watching+0x12/0xb0
[  488.245274][ T7488]  ? do_one_initcall+0xf0/0x620
[  488.250255][ T7488]  ? __fget_files+0x272/0x410
[  488.254991][ T7488]  ? bpf_lsm_file_ioctl+0x9/0x10
[  488.259980][ T7488]  ? send_break+0x3e0/0x3e0
[  488.264546][ T7488]  __x64_sys_ioctl+0x18f/0x210
[  488.269450][ T7488]  do_syscall_64+0x38/0xb0
[  488.274074][ T7488]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  488.280178][ T7488] RIP: 0033:0x7fe65e0fd6e9
[  488.284703][ T7488] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  488.305110][ T7488] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  488.313871][ T7488] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  488.322042][ T7488] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  488.330243][ T7488] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  488.338449][ T7488] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  488.346531][ T7488] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  488.354792][ T7488]  </TASK>
[  488.364399][ T7489] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  488.373233][ T7489] CPU: 0 PID: 7489 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  488.382571][ T7489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  488.392772][ T7489] Call Trace:
[  488.396289][ T7489]  <TASK>
[  488.399430][ T7489]  dump_stack_lvl+0x125/0x1b0
[  488.404950][ T7489]  sysfs_warn_dup+0x7f/0xa0
[  488.409596][ T7489]  sysfs_create_dir_ns+0x237/0x290
[  488.414770][ T7489]  ? sysfs_create_mount_point+0xb0/0xb0
[  488.420556][ T7489]  ? spin_bug+0x1d0/0x1d0
[  488.424951][ T7489]  ? class_dir_child_ns_type+0xd/0x60
[  488.430412][ T7489]  kobject_add_internal+0x2c8/0x960
[  488.435773][ T7489]  kobject_add+0x154/0x220
[  488.440245][ T7489]  ? kset_create_and_add+0x190/0x190
[  488.445775][ T7489]  ? do_raw_spin_unlock+0x173/0x230
[  488.451224][ T7489]  ? kobject_put+0xbe/0x440
[  488.455884][ T7489]  device_add+0x289/0x1a90
[  488.456455][ T7488] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.460434][ T7489]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  488.481372][ T7489]  ? __init_waitqueue_head+0xca/0x150
[  488.486809][ T7489]  tty_register_device_attr+0x382/0x7c0
[  488.492590][ T7489]  ? lockdep_init_map_type+0x16d/0x7c0
[  488.498276][ T7489]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  488.503940][ T7489]  ? lockdep_init_map_type+0x16d/0x7c0
[  488.509435][ T7489]  ? __raw_spin_lock_init+0x3a/0x110
[  488.514842][ T7489]  ? tty_port_init+0x156/0x1b0
[  488.519658][ T7489]  gsm_activate_mux+0x170/0x2f0
[  488.524571][ T7489]  gsmld_ioctl+0x876/0x1510
[  488.529132][ T7489]  ? gsm_dlci_config+0xf00/0xf00
[  488.534298][ T7489]  ? __ldsem_down_read_nested+0xe4/0x910
[  488.540193][ T7489]  ? __ldsem_down_read_nested+0xf4/0x910
[  488.545908][ T7489]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  488.551466][ T7489]  ? vt_waitactive+0x360/0x360
[  488.556300][ T7489]  ? gsm_dlci_config+0xf00/0xf00
[  488.561478][ T7489]  tty_ioctl+0x6f8/0x1550
[  488.565887][ T7489]  ? send_break+0x3e0/0x3e0
[  488.570474][ T7489]  ? reacquire_held_locks+0x4b0/0x4b0
[  488.575915][ T7489]  ? sigprocmask+0xf1/0x330
[  488.580479][ T7489]  ? do_sigtimedwait+0x5c0/0x5c0
[  488.585551][ T7489]  ? __fget_files+0x272/0x410
[  488.590329][ T7489]  ? bpf_lsm_file_ioctl+0x9/0x10
[  488.595296][ T7489]  ? send_break+0x3e0/0x3e0
[  488.599836][ T7489]  __x64_sys_ioctl+0x18f/0x210
[  488.604638][ T7489]  do_syscall_64+0x38/0xb0
[  488.609079][ T7489]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  488.615002][ T7489] RIP: 0033:0x7fe65e0fd6e9
[  488.619535][ T7489] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  488.639518][ T7489] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  488.648165][ T7489] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  488.656578][ T7489] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  488.664657][ T7489] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  488.673195][ T7489] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  488.681375][ T7489] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  488.689695][ T7489]  </TASK>
[  488.704717][ T7489] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.236933][ T7504] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  489.269070][ T7504] CPU: 1 PID: 7504 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  489.278722][ T7504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  489.282438][ T7506] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  489.288788][ T7504] Call Trace:
[  489.288802][ T7504]  <TASK>
[  489.288813][ T7504]  dump_stack_lvl+0x125/0x1b0
[  489.288849][ T7504]  sysfs_warn_dup+0x7f/0xa0
[  489.288883][ T7504]  sysfs_create_dir_ns+0x237/0x290
[  489.288911][ T7504]  ? sysfs_create_mount_point+0xb0/0xb0
[  489.324045][ T7504]  ? spin_bug+0x1d0/0x1d0
[  489.328964][ T7504]  ? class_dir_child_ns_type+0xd/0x60
[  489.334418][ T7504]  kobject_add_internal+0x2c8/0x960
[  489.339680][ T7504]  kobject_add+0x154/0x220
[  489.344229][ T7504]  ? kset_create_and_add+0x190/0x190
[  489.349569][ T7504]  ? do_raw_spin_unlock+0x173/0x230
[  489.355108][ T7504]  ? kobject_put+0xbe/0x440
[  489.359681][ T7504]  device_add+0x289/0x1a90
[  489.364342][ T7504]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  489.372047][ T7504]  ? __init_waitqueue_head+0xca/0x150
[  489.377491][ T7504]  tty_register_device_attr+0x382/0x7c0
[  489.383893][ T7504]  ? lockdep_init_map_type+0x16d/0x7c0
[  489.389416][ T7504]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  489.395032][ T7504]  ? lockdep_init_map_type+0x16d/0x7c0
[  489.400613][ T7504]  ? __raw_spin_lock_init+0x3a/0x110
[  489.405939][ T7504]  ? tty_port_init+0x156/0x1b0
[  489.410736][ T7504]  gsm_activate_mux+0x170/0x2f0
[  489.415624][ T7504]  gsmld_ioctl+0x876/0x1510
[  489.420175][ T7504]  ? gsm_dlci_config+0xf00/0xf00
[  489.425149][ T7504]  ? __ldsem_down_read_nested+0xe4/0x910
[  489.430891][ T7504]  ? __ldsem_down_read_nested+0xf4/0x910
[  489.436562][ T7504]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  489.442229][ T7504]  ? vt_waitactive+0x360/0x360
[  489.447036][ T7504]  ? gsm_dlci_config+0xf00/0xf00
[  489.452784][ T7504]  tty_ioctl+0x6f8/0x1550
[  489.457150][ T7504]  ? send_break+0x3e0/0x3e0
[  489.462393][ T7504]  ? reacquire_held_locks+0x4b0/0x4b0
[  489.467792][ T7504]  ? rcu_is_watching+0x12/0xb0
[  489.472576][ T7504]  ? do_one_initcall+0xf0/0x620
[  489.477461][ T7504]  ? __fget_files+0x272/0x410
[  489.482176][ T7504]  ? bpf_lsm_file_ioctl+0x9/0x10
[  489.487150][ T7504]  ? send_break+0x3e0/0x3e0
[  489.491880][ T7504]  __x64_sys_ioctl+0x18f/0x210
[  489.496854][ T7504]  do_syscall_64+0x38/0xb0
[  489.501294][ T7504]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  489.507275][ T7504] RIP: 0033:0x7fe65e0fd6e9
[  489.511716][ T7504] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  489.531867][ T7504] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  489.540559][ T7504] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  489.548545][ T7504] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  489.556529][ T7504] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  489.564702][ T7504] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  489.572684][ T7504] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  489.580693][ T7504]  </TASK>
[  489.590415][ T7504] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.592718][ T7506] CPU: 1 PID: 7506 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  489.613872][ T7506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  489.624063][ T7506] Call Trace:
[  489.627555][ T7506]  <TASK>
[  489.630580][ T7506]  dump_stack_lvl+0x125/0x1b0
[  489.635576][ T7506]  sysfs_warn_dup+0x7f/0xa0
[  489.640129][ T7506]  sysfs_create_dir_ns+0x237/0x290
[  489.645297][ T7506]  ? sysfs_create_mount_point+0xb0/0xb0
[  489.651073][ T7506]  ? spin_bug+0x1d0/0x1d0
[  489.655493][ T7506]  ? class_dir_child_ns_type+0xd/0x60
[  489.661015][ T7506]  kobject_add_internal+0x2c8/0x960
[  489.666277][ T7506]  kobject_add+0x154/0x220
[  489.671184][ T7506]  ? kset_create_and_add+0x190/0x190
[  489.676703][ T7506]  ? do_raw_spin_unlock+0x173/0x230
[  489.682067][ T7506]  ? kobject_put+0xbe/0x440
[  489.686722][ T7506]  device_add+0x289/0x1a90
[  489.691295][ T7506]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  489.698569][ T7506]  ? __init_waitqueue_head+0xca/0x150
[  489.704249][ T7506]  tty_register_device_attr+0x382/0x7c0
[  489.710013][ T7506]  ? lockdep_init_map_type+0x16d/0x7c0
[  489.715500][ T7506]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  489.721153][ T7506]  ? lockdep_init_map_type+0x16d/0x7c0
[  489.726651][ T7506]  ? __raw_spin_lock_init+0x3a/0x110
[  489.731981][ T7506]  ? tty_port_init+0x156/0x1b0
[  489.736779][ T7506]  gsm_activate_mux+0x170/0x2f0
[  489.741668][ T7506]  gsmld_ioctl+0x876/0x1510
[  489.746569][ T7506]  ? gsm_dlci_config+0xf00/0xf00
[  489.751543][ T7506]  ? __ldsem_down_read_nested+0xe4/0x910
[  489.757197][ T7506]  ? __ldsem_down_read_nested+0xf4/0x910
[  489.762856][ T7506]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  489.768260][ T7506]  ? vt_waitactive+0x360/0x360
[  489.773085][ T7506]  ? gsm_dlci_config+0xf00/0xf00
[  489.778055][ T7506]  tty_ioctl+0x6f8/0x1550
[  489.782590][ T7506]  ? send_break+0x3e0/0x3e0
[  489.787140][ T7506]  ? reacquire_held_locks+0x4b0/0x4b0
[  489.792578][ T7506]  ? sigprocmask+0xf1/0x330
[  489.797222][ T7506]  ? do_sigtimedwait+0x5c0/0x5c0
[  489.802210][ T7506]  ? __fget_files+0x272/0x410
[  489.806923][ T7506]  ? bpf_lsm_file_ioctl+0x9/0x10
[  489.811987][ T7506]  ? send_break+0x3e0/0x3e0
[  489.816616][ T7506]  __x64_sys_ioctl+0x18f/0x210
[  489.821425][ T7506]  do_syscall_64+0x38/0xb0
[  489.825958][ T7506]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  489.831969][ T7506] RIP: 0033:0x7fe65e0fd6e9
[  489.836490][ T7506] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  489.856462][ T7506] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  489.864893][ T7506] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  489.872877][ T7506] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  489.880973][ T7506] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  489.888966][ T7506] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  489.897561][ T7506] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  489.905738][ T7506]  </TASK>
[  489.949576][ T7506] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.365746][ T7513] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  490.392028][ T7513] CPU: 0 PID: 7513 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  490.401327][ T7513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  490.411615][ T7513] Call Trace:
[  490.415102][ T7513]  <TASK>
[  490.418072][ T7513]  dump_stack_lvl+0x125/0x1b0
[  490.422807][ T7513]  sysfs_warn_dup+0x7f/0xa0
[  490.427534][ T7513]  sysfs_create_dir_ns+0x237/0x290
[  490.432702][ T7513]  ? sysfs_create_mount_point+0xb0/0xb0
[  490.439260][ T7513]  ? spin_bug+0x1d0/0x1d0
[  490.443720][ T7513]  ? class_dir_child_ns_type+0xd/0x60
[  490.449241][ T7513]  kobject_add_internal+0x2c8/0x960
[  490.454513][ T7513]  kobject_add+0x154/0x220
[  490.458998][ T7513]  ? kset_create_and_add+0x190/0x190
[  490.464355][ T7513]  ? do_raw_spin_unlock+0x173/0x230
[  490.469626][ T7513]  ? kobject_put+0xbe/0x440
[  490.474217][ T7513]  device_add+0x289/0x1a90
[  490.478794][ T7513]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  490.485984][ T7513]  ? __init_waitqueue_head+0xca/0x150
[  490.491513][ T7513]  tty_register_device_attr+0x382/0x7c0
[  490.497138][ T7513]  ? lockdep_init_map_type+0x16d/0x7c0
[  490.502755][ T7513]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  490.508368][ T7513]  ? lockdep_init_map_type+0x16d/0x7c0
[  490.513910][ T7513]  ? __raw_spin_lock_init+0x3a/0x110
[  490.519263][ T7513]  ? tty_port_init+0x156/0x1b0
[  490.524083][ T7513]  gsm_activate_mux+0x170/0x2f0
[  490.529004][ T7513]  gsmld_ioctl+0x876/0x1510
[  490.533611][ T7513]  ? gsm_dlci_config+0xf00/0xf00
[  490.538621][ T7513]  ? __ldsem_down_read_nested+0xe4/0x910
[  490.544500][ T7513]  ? __ldsem_down_read_nested+0xf4/0x910
[  490.550203][ T7513]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  490.555652][ T7513]  ? vt_waitactive+0x360/0x360
[  490.560497][ T7513]  ? gsm_dlci_config+0xf00/0xf00
[  490.565506][ T7513]  tty_ioctl+0x6f8/0x1550
[  490.569911][ T7513]  ? send_break+0x3e0/0x3e0
[  490.574498][ T7513]  ? reacquire_held_locks+0x4b0/0x4b0
[  490.579999][ T7513]  ? rcu_is_watching+0x12/0xb0
[  490.584829][ T7513]  ? do_one_initcall+0xf0/0x620
[  490.589926][ T7513]  ? __fget_files+0x272/0x410
[  490.594686][ T7513]  ? bpf_lsm_file_ioctl+0x9/0x10
[  490.599698][ T7513]  ? send_break+0x3e0/0x3e0
[  490.604285][ T7513]  __x64_sys_ioctl+0x18f/0x210
[  490.609121][ T7513]  do_syscall_64+0x38/0xb0
[  490.613771][ T7513]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  490.619834][ T7513] RIP: 0033:0x7fe65e0fd6e9
[  490.624417][ T7513] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  490.644338][ T7513] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  490.652804][ T7513] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  490.660821][ T7513] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  490.668928][ T7513] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  490.677209][ T7513] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  490.685397][ T7513] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  490.693618][ T7513]  </TASK>
[  490.707682][ T7513] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.030203][ T7516] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.041417][ T7516] CPU: 0 PID: 7516 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  491.050785][ T7516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  491.061058][ T7516] Call Trace:
[  491.064638][ T7516]  <TASK>
[  491.067611][ T7516]  dump_stack_lvl+0x125/0x1b0
[  491.072433][ T7516]  sysfs_warn_dup+0x7f/0xa0
[  491.077338][ T7516]  sysfs_create_dir_ns+0x237/0x290
[  491.082545][ T7516]  ? sysfs_create_mount_point+0xb0/0xb0
[  491.088147][ T7516]  ? spin_bug+0x1d0/0x1d0
[  491.092630][ T7516]  ? class_dir_child_ns_type+0xd/0x60
[  491.098233][ T7516]  kobject_add_internal+0x2c8/0x960
[  491.103505][ T7516]  kobject_add+0x154/0x220
[  491.108149][ T7516]  ? kset_create_and_add+0x190/0x190
[  491.113575][ T7516]  ? do_raw_spin_unlock+0x173/0x230
[  491.118842][ T7516]  ? kobject_put+0xbe/0x440
[  491.123498][ T7516]  device_add+0x289/0x1a90
[  491.127988][ T7516]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  491.134912][ T7516]  ? __init_waitqueue_head+0xca/0x150
[  491.140351][ T7516]  tty_register_device_attr+0x382/0x7c0
[  491.146054][ T7516]  ? lockdep_init_map_type+0x16d/0x7c0
[  491.151668][ T7516]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  491.157284][ T7516]  ? lockdep_init_map_type+0x16d/0x7c0
[  491.162809][ T7516]  ? __raw_spin_lock_init+0x3a/0x110
[  491.168168][ T7516]  ? tty_port_init+0x156/0x1b0
[  491.173001][ T7516]  gsm_activate_mux+0x170/0x2f0
[  491.178097][ T7516]  gsmld_ioctl+0x876/0x1510
[  491.182800][ T7516]  ? gsm_dlci_config+0xf00/0xf00
[  491.187808][ T7516]  ? __ldsem_down_read_nested+0xe4/0x910
[  491.193499][ T7516]  ? __ldsem_down_read_nested+0xf4/0x910
[  491.200341][ T7516]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  491.205814][ T7516]  ? vt_waitactive+0x360/0x360
[  491.210753][ T7516]  ? gsm_dlci_config+0xf00/0xf00
[  491.215771][ T7516]  tty_ioctl+0x6f8/0x1550
[  491.220266][ T7516]  ? send_break+0x3e0/0x3e0
[  491.224949][ T7516]  ? reacquire_held_locks+0x4b0/0x4b0
[  491.230394][ T7516]  ? rcu_is_watching+0x12/0xb0
[  491.236093][ T7516]  ? do_one_initcall+0xf0/0x620
[  491.241112][ T7516]  ? __fget_files+0x272/0x410
[  491.245954][ T7516]  ? bpf_lsm_file_ioctl+0x9/0x10
[  491.250961][ T7516]  ? send_break+0x3e0/0x3e0
[  491.255972][ T7516]  __x64_sys_ioctl+0x18f/0x210
[  491.260817][ T7516]  do_syscall_64+0x38/0xb0
[  491.265298][ T7516]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  491.271271][ T7516] RIP: 0033:0x7fe65e0fd6e9
[  491.275742][ T7516] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  491.295410][ T7516] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  491.304663][ T7516] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  491.312701][ T7516] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  491.320809][ T7516] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  491.328829][ T7516] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  491.336850][ T7516] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  491.344982][ T7516]  </TASK>
[  491.373116][ T7516] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.676385][ T7519] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.702224][ T7519] CPU: 1 PID: 7519 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  491.711682][ T7519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  491.721782][ T7519] Call Trace:
[  491.725095][ T7519]  <TASK>
[  491.728065][ T7519]  dump_stack_lvl+0x125/0x1b0
[  491.733141][ T7519]  sysfs_warn_dup+0x7f/0xa0
[  491.737706][ T7519]  sysfs_create_dir_ns+0x237/0x290
[  491.742973][ T7519]  ? sysfs_create_mount_point+0xb0/0xb0
[  491.748749][ T7519]  ? spin_bug+0x1d0/0x1d0
[  491.753159][ T7519]  ? class_dir_child_ns_type+0xd/0x60
[  491.758700][ T7519]  kobject_add_internal+0x2c8/0x960
[  491.763980][ T7519]  kobject_add+0x154/0x220
[  491.768461][ T7519]  ? kset_create_and_add+0x190/0x190
[  491.773897][ T7519]  ? do_raw_spin_unlock+0x173/0x230
[  491.779170][ T7519]  ? kobject_put+0xbe/0x440
[  491.783744][ T7519]  device_add+0x289/0x1a90
[  491.788235][ T7519]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  491.795262][ T7519]  ? __init_waitqueue_head+0xca/0x150
[  491.800686][ T7519]  tty_register_device_attr+0x382/0x7c0
[  491.806267][ T7519]  ? lockdep_init_map_type+0x16d/0x7c0
[  491.811762][ T7519]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  491.817332][ T7519]  ? lockdep_init_map_type+0x16d/0x7c0
[  491.822818][ T7519]  ? __raw_spin_lock_init+0x3a/0x110
[  491.828136][ T7519]  ? tty_port_init+0x156/0x1b0
[  491.832924][ T7519]  gsm_activate_mux+0x170/0x2f0
[  491.837816][ T7519]  gsmld_ioctl+0x876/0x1510
[  491.842363][ T7519]  ? gsm_dlci_config+0xf00/0xf00
[  491.847332][ T7519]  ? __ldsem_down_read_nested+0xe4/0x910
[  491.852989][ T7519]  ? __ldsem_down_read_nested+0xf4/0x910
[  491.858656][ T7519]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  491.864066][ T7519]  ? vt_waitactive+0x360/0x360
[  491.868865][ T7519]  ? gsm_dlci_config+0xf00/0xf00
[  491.873847][ T7519]  tty_ioctl+0x6f8/0x1550
[  491.878211][ T7519]  ? send_break+0x3e0/0x3e0
[  491.882761][ T7519]  ? reacquire_held_locks+0x4b0/0x4b0
[  491.888249][ T7519]  ? rcu_is_watching+0x12/0xb0
[  491.893121][ T7519]  ? do_one_initcall+0xf0/0x620
[  491.898008][ T7519]  ? __fget_files+0x272/0x410
[  491.902722][ T7519]  ? bpf_lsm_file_ioctl+0x9/0x10
[  491.907693][ T7519]  ? send_break+0x3e0/0x3e0
[  491.912228][ T7519]  __x64_sys_ioctl+0x18f/0x210
[  491.917027][ T7519]  do_syscall_64+0x38/0xb0
[  491.921464][ T7519]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  491.927464][ T7519] RIP: 0033:0x7fe65e0fd6e9
[  491.931890][ T7519] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  491.951515][ T7519] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  491.960030][ T7519] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  491.968103][ T7519] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  491.976608][ T7519] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  491.984962][ T7519] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  491.993411][ T7519] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  492.001612][ T7519]  </TASK>
[  492.005655][ T7520] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.014578][ T7519] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.014606][ T7520] CPU: 1 PID: 7520 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  492.038051][ T7520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  492.048236][ T7520] Call Trace:
[  492.051642][ T7520]  <TASK>
[  492.055042][ T7520]  dump_stack_lvl+0x125/0x1b0
[  492.059777][ T7520]  sysfs_warn_dup+0x7f/0xa0
[  492.064340][ T7520]  sysfs_create_dir_ns+0x237/0x290
[  492.069606][ T7520]  ? sysfs_create_mount_point+0xb0/0xb0
[  492.075386][ T7520]  ? spin_bug+0x1d0/0x1d0
[  492.080056][ T7520]  ? class_dir_child_ns_type+0xd/0x60
[  492.085499][ T7520]  kobject_add_internal+0x2c8/0x960
[  492.090858][ T7520]  kobject_add+0x154/0x220
[  492.095337][ T7520]  ? kset_create_and_add+0x190/0x190
[  492.100692][ T7520]  ? do_raw_spin_unlock+0x173/0x230
[  492.106054][ T7520]  ? kobject_put+0xbe/0x440
[  492.110631][ T7520]  device_add+0x289/0x1a90
[  492.115199][ T7520]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  492.122166][ T7520]  ? __init_waitqueue_head+0xca/0x150
[  492.127697][ T7520]  tty_register_device_attr+0x382/0x7c0
[  492.133400][ T7520]  ? lockdep_init_map_type+0x16d/0x7c0
[  492.139418][ T7520]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  492.144997][ T7520]  ? lockdep_init_map_type+0x16d/0x7c0
[  492.150599][ T7520]  ? __raw_spin_lock_init+0x3a/0x110
[  492.156007][ T7520]  ? tty_port_init+0x156/0x1b0
[  492.161764][ T7520]  gsm_activate_mux+0x170/0x2f0
[  492.166709][ T7520]  gsmld_ioctl+0x876/0x1510
[  492.171366][ T7520]  ? gsm_dlci_config+0xf00/0xf00
[  492.176370][ T7520]  ? __ldsem_down_read_nested+0xe4/0x910
[  492.182212][ T7520]  ? __ldsem_down_read_nested+0xf4/0x910
[  492.187904][ T7520]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  492.193524][ T7520]  ? vt_waitactive+0x360/0x360
[  492.198347][ T7520]  ? gsm_dlci_config+0xf00/0xf00
[  492.203494][ T7520]  tty_ioctl+0x6f8/0x1550
[  492.207866][ T7520]  ? send_break+0x3e0/0x3e0
[  492.212403][ T7520]  ? reacquire_held_locks+0x4b0/0x4b0
[  492.217891][ T7520]  ? sigprocmask+0xf1/0x330
[  492.222602][ T7520]  ? do_sigtimedwait+0x5c0/0x5c0
[  492.227583][ T7520]  ? __fget_files+0x272/0x410
[  492.232334][ T7520]  ? bpf_lsm_file_ioctl+0x9/0x10
[  492.237321][ T7520]  ? send_break+0x3e0/0x3e0
[  492.241877][ T7520]  __x64_sys_ioctl+0x18f/0x210
[  492.246682][ T7520]  do_syscall_64+0x38/0xb0
[  492.251123][ T7520]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  492.257043][ T7520] RIP: 0033:0x7fe65e0fd6e9
[  492.261474][ T7520] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  492.281105][ T7520] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  492.289540][ T7520] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  492.297547][ T7520] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  492.305555][ T7520] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  492.313547][ T7520] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  492.321535][ T7520] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  492.329543][ T7520]  </TASK>
[  492.343017][ T7520] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.704911][ T7523] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.716241][ T7523] CPU: 0 PID: 7523 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  492.725512][ T7523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  492.735779][ T7523] Call Trace:
[  492.739098][ T7523]  <TASK>
[  492.742158][ T7523]  dump_stack_lvl+0x125/0x1b0
[  492.746893][ T7523]  sysfs_warn_dup+0x7f/0xa0
[  492.751621][ T7523]  sysfs_create_dir_ns+0x237/0x290
[  492.756782][ T7523]  ? sysfs_create_mount_point+0xb0/0xb0
[  492.756928][ T7524] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.762353][ T7523]  ? spin_bug+0x1d0/0x1d0
[  492.762398][ T7523]  ? class_dir_child_ns_type+0xd/0x60
[  492.780995][ T7523]  kobject_add_internal+0x2c8/0x960
[  492.786260][ T7523]  kobject_add+0x154/0x220
[  492.790716][ T7523]  ? kset_create_and_add+0x190/0x190
[  492.796033][ T7523]  ? do_raw_spin_unlock+0x173/0x230
[  492.801268][ T7523]  ? kobject_put+0xbe/0x440
[  492.805805][ T7523]  device_add+0x289/0x1a90
[  492.810384][ T7523]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  492.817539][ T7523]  ? __init_waitqueue_head+0xca/0x150
[  492.822955][ T7523]  tty_register_device_attr+0x382/0x7c0
[  492.828548][ T7523]  ? lockdep_init_map_type+0x16d/0x7c0
[  492.834045][ T7523]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  492.839820][ T7523]  ? lockdep_init_map_type+0x16d/0x7c0
[  492.845342][ T7523]  ? __raw_spin_lock_init+0x3a/0x110
[  492.850681][ T7523]  ? tty_port_init+0x156/0x1b0
[  492.855496][ T7523]  gsm_activate_mux+0x170/0x2f0
[  492.860803][ T7523]  gsmld_ioctl+0x876/0x1510
[  492.865791][ T7523]  ? gsm_dlci_config+0xf00/0xf00
[  492.870868][ T7523]  ? __ldsem_down_read_nested+0xe4/0x910
[  492.876533][ T7523]  ? __ldsem_down_read_nested+0xf4/0x910
[  492.882380][ T7523]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  492.887903][ T7523]  ? vt_waitactive+0x360/0x360
[  492.892712][ T7523]  ? gsm_dlci_config+0xf00/0xf00
[  492.897687][ T7523]  tty_ioctl+0x6f8/0x1550
[  492.903533][ T7523]  ? send_break+0x3e0/0x3e0
[  492.908072][ T7523]  ? reacquire_held_locks+0x4b0/0x4b0
[  492.913676][ T7523]  ? rcu_is_watching+0x12/0xb0
[  492.918472][ T7523]  ? do_one_initcall+0xf0/0x620
[  492.923451][ T7523]  ? __fget_files+0x272/0x410
[  492.928355][ T7523]  ? bpf_lsm_file_ioctl+0x9/0x10
[  492.933521][ T7523]  ? send_break+0x3e0/0x3e0
[  492.938060][ T7523]  __x64_sys_ioctl+0x18f/0x210
[  492.942881][ T7523]  do_syscall_64+0x38/0xb0
[  492.947418][ T7523]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  492.953433][ T7523] RIP: 0033:0x7fe65e0fd6e9
[  492.958563][ T7523] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  492.978485][ T7523] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  492.987250][ T7523] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  492.995282][ T7523] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  493.003289][ T7523] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  493.011800][ T7523] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  493.019801][ T7523] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  493.027819][ T7523]  </TASK>
[  493.030854][ T7524] CPU: 1 PID: 7524 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  493.040873][ T7524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  493.051137][ T7524] Call Trace:
[  493.054436][ T7524]  <TASK>
[  493.057375][ T7524]  dump_stack_lvl+0x125/0x1b0
[  493.062517][ T7524]  sysfs_warn_dup+0x7f/0xa0
[  493.067313][ T7524]  sysfs_create_dir_ns+0x237/0x290
[  493.072729][ T7524]  ? sysfs_create_mount_point+0xb0/0xb0
[  493.078296][ T7524]  ? spin_bug+0x1d0/0x1d0
[  493.082746][ T7524]  ? class_dir_child_ns_type+0xd/0x60
[  493.088146][ T7524]  kobject_add_internal+0x2c8/0x960
[  493.093516][ T7524]  kobject_add+0x154/0x220
[  493.098582][ T7524]  ? kset_create_and_add+0x190/0x190
[  493.103892][ T7524]  ? do_raw_spin_unlock+0x173/0x230
[  493.109123][ T7524]  ? kobject_put+0xbe/0x440
[  493.113662][ T7524]  device_add+0x289/0x1a90
[  493.118108][ T7524]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  493.125089][ T7524]  ? __init_waitqueue_head+0xca/0x150
[  493.130759][ T7524]  tty_register_device_attr+0x382/0x7c0
[  493.136334][ T7524]  ? lockdep_init_map_type+0x16d/0x7c0
[  493.141820][ T7524]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  493.147388][ T7524]  ? lockdep_init_map_type+0x16d/0x7c0
[  493.152965][ T7524]  ? __raw_spin_lock_init+0x3a/0x110
[  493.158627][ T7524]  ? tty_port_init+0x156/0x1b0
[  493.163418][ T7524]  gsm_activate_mux+0x170/0x2f0
[  493.168303][ T7524]  gsmld_ioctl+0x876/0x1510
[  493.173026][ T7524]  ? gsm_dlci_config+0xf00/0xf00
[  493.178092][ T7524]  ? __ldsem_down_read_nested+0xe4/0x910
[  493.183923][ T7524]  ? __ldsem_down_read_nested+0xf4/0x910
[  493.189778][ T7524]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  493.195391][ T7524]  ? vt_waitactive+0x360/0x360
[  493.200214][ T7524]  ? gsm_dlci_config+0xf00/0xf00
[  493.205378][ T7524]  tty_ioctl+0x6f8/0x1550
[  493.209749][ T7524]  ? send_break+0x3e0/0x3e0
[  493.214353][ T7524]  ? reacquire_held_locks+0x4b0/0x4b0
[  493.220014][ T7524]  ? sigprocmask+0xf1/0x330
[  493.224563][ T7524]  ? do_sigtimedwait+0x5c0/0x5c0
[  493.229549][ T7524]  ? __fget_files+0x272/0x410
[  493.234435][ T7524]  ? bpf_lsm_file_ioctl+0x9/0x10
[  493.239395][ T7524]  ? send_break+0x3e0/0x3e0
[  493.243929][ T7524]  __x64_sys_ioctl+0x18f/0x210
[  493.248734][ T7524]  do_syscall_64+0x38/0xb0
[  493.253475][ T7524]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  493.259477][ T7524] RIP: 0033:0x7fe65e0fd6e9
[  493.263927][ T7524] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  493.284723][ T7524] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  493.293344][ T7524] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  493.302666][ T7524] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  493.310976][ T7524] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  493.319071][ T7524] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  493.327141][ T7524] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  493.335155][ T7524]  </TASK>
[  493.346082][ T7523] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.355293][ T7524] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.780300][ T7527] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.814778][ T7527] CPU: 1 PID: 7527 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  493.824063][ T7527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  493.834157][ T7527] Call Trace:
[  493.837559][ T7527]  <TASK>
[  493.840530][ T7527]  dump_stack_lvl+0x125/0x1b0
[  493.845358][ T7527]  sysfs_warn_dup+0x7f/0xa0
[  493.850009][ T7527]  sysfs_create_dir_ns+0x237/0x290
[  493.855183][ T7527]  ? sysfs_create_mount_point+0xb0/0xb0
[  493.860786][ T7527]  ? spin_bug+0x1d0/0x1d0
[  493.865367][ T7527]  ? class_dir_child_ns_type+0xd/0x60
[  493.870794][ T7527]  kobject_add_internal+0x2c8/0x960
[  493.876062][ T7527]  kobject_add+0x154/0x220
[  493.880529][ T7527]  ? kset_create_and_add+0x190/0x190
[  493.885934][ T7527]  ? do_raw_spin_unlock+0x173/0x230
[  493.891284][ T7527]  ? kobject_put+0xbe/0x440
[  493.897243][ T7527]  device_add+0x289/0x1a90
[  493.901971][ T7527]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  493.908877][ T7527]  ? __init_waitqueue_head+0xca/0x150
[  493.914282][ T7527]  tty_register_device_attr+0x382/0x7c0
[  493.919946][ T7527]  ? lockdep_init_map_type+0x16d/0x7c0
[  493.925440][ T7527]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  493.931095][ T7527]  ? lockdep_init_map_type+0x16d/0x7c0
[  493.936586][ T7527]  ? __raw_spin_lock_init+0x3a/0x110
[  493.941912][ T7527]  ? tty_port_init+0x156/0x1b0
[  493.946706][ T7527]  gsm_activate_mux+0x170/0x2f0
[  493.951674][ T7527]  gsmld_ioctl+0x876/0x1510
[  493.956213][ T7527]  ? gsm_dlci_config+0xf00/0xf00
[  493.961181][ T7527]  ? __ldsem_down_read_nested+0xe4/0x910
[  493.966836][ T7527]  ? __ldsem_down_read_nested+0xf4/0x910
[  493.972586][ T7527]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  493.977994][ T7527]  ? vt_waitactive+0x360/0x360
[  493.982798][ T7527]  ? gsm_dlci_config+0xf00/0xf00
[  493.987938][ T7527]  tty_ioctl+0x6f8/0x1550
[  493.992299][ T7527]  ? send_break+0x3e0/0x3e0
[  493.996926][ T7527]  ? reacquire_held_locks+0x4b0/0x4b0
[  494.002760][ T7527]  ? rcu_is_watching+0x12/0xb0
[  494.007633][ T7527]  ? do_one_initcall+0xf0/0x620
[  494.012525][ T7527]  ? __fget_files+0x272/0x410
[  494.017326][ T7527]  ? bpf_lsm_file_ioctl+0x9/0x10
[  494.022457][ T7527]  ? send_break+0x3e0/0x3e0
[  494.027085][ T7527]  __x64_sys_ioctl+0x18f/0x210
[  494.031896][ T7527]  do_syscall_64+0x38/0xb0
[  494.036697][ T7527]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  494.043058][ T7527] RIP: 0033:0x7fe65e0fd6e9
[  494.047661][ T7527] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  494.067549][ T7527] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  494.075982][ T7527] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  494.084068][ T7527] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  494.092572][ T7527] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  494.100581][ T7527] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  494.108563][ T7527] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  494.116564][ T7527]  </TASK>
[  494.139833][ T7528] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.141269][ T7527] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.153895][ T7528] CPU: 0 PID: 7528 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  494.172621][ T7528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  494.182974][ T7528] Call Trace:
[  494.186286][ T7528]  <TASK>
[  494.189247][ T7528]  dump_stack_lvl+0x125/0x1b0
[  494.193982][ T7528]  sysfs_warn_dup+0x7f/0xa0
[  494.198547][ T7528]  sysfs_create_dir_ns+0x237/0x290
[  494.203716][ T7528]  ? sysfs_create_mount_point+0xb0/0xb0
[  494.210275][ T7528]  ? spin_bug+0x1d0/0x1d0
[  494.214677][ T7528]  ? class_dir_child_ns_type+0xd/0x60
[  494.220196][ T7528]  kobject_add_internal+0x2c8/0x960
[  494.225467][ T7528]  kobject_add+0x154/0x220
[  494.230031][ T7528]  ? kset_create_and_add+0x190/0x190
[  494.235377][ T7528]  ? do_raw_spin_unlock+0x173/0x230
[  494.240645][ T7528]  ? kobject_put+0xbe/0x440
[  494.245229][ T7528]  device_add+0x289/0x1a90
[  494.249801][ T7528]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  494.256724][ T7528]  ? __init_waitqueue_head+0xca/0x150
[  494.262164][ T7528]  tty_register_device_attr+0x382/0x7c0
[  494.268389][ T7528]  ? lockdep_init_map_type+0x16d/0x7c0
[  494.274103][ T7528]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  494.279863][ T7528]  ? lockdep_init_map_type+0x16d/0x7c0
[  494.285390][ T7528]  ? __raw_spin_lock_init+0x3a/0x110
[  494.290838][ T7528]  ? tty_port_init+0x156/0x1b0
[  494.295665][ T7528]  gsm_activate_mux+0x170/0x2f0
[  494.300585][ T7528]  gsmld_ioctl+0x876/0x1510
[  494.305344][ T7528]  ? gsm_dlci_config+0xf00/0xf00
[  494.310358][ T7528]  ? __ldsem_down_read_nested+0xe4/0x910
[  494.316309][ T7528]  ? __ldsem_down_read_nested+0xf4/0x910
[  494.322108][ T7528]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  494.327558][ T7528]  ? vt_waitactive+0x360/0x360
[  494.332394][ T7528]  ? gsm_dlci_config+0xf00/0xf00
[  494.337401][ T7528]  tty_ioctl+0x6f8/0x1550
[  494.341806][ T7528]  ? send_break+0x3e0/0x3e0
[  494.346486][ T7528]  ? reacquire_held_locks+0x4b0/0x4b0
[  494.351923][ T7528]  ? sigprocmask+0xf1/0x330
[  494.356707][ T7528]  ? do_sigtimedwait+0x5c0/0x5c0
[  494.361717][ T7528]  ? __fget_files+0x272/0x410
[  494.366722][ T7528]  ? bpf_lsm_file_ioctl+0x9/0x10
[  494.371809][ T7528]  ? send_break+0x3e0/0x3e0
[  494.376377][ T7528]  __x64_sys_ioctl+0x18f/0x210
[  494.381213][ T7528]  do_syscall_64+0x38/0xb0
[  494.385665][ T7528]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  494.391566][ T7528] RIP: 0033:0x7fe65e0fd6e9
[  494.396124][ T7528] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  494.416042][ T7528] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  494.424739][ T7528] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  494.432907][ T7528] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  494.440990][ T7528] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  494.448982][ T7528] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  494.457054][ T7528] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  494.465064][ T7528]  </TASK>
[  494.468998][ T7528] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.778905][ T7531] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.802884][ T7531] CPU: 0 PID: 7531 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  494.812260][ T7531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  494.822353][ T7531] Call Trace:
[  494.825715][ T7531]  <TASK>
[  494.828771][ T7531]  dump_stack_lvl+0x125/0x1b0
[  494.833501][ T7531]  sysfs_warn_dup+0x7f/0xa0
[  494.838069][ T7531]  sysfs_create_dir_ns+0x237/0x290
[  494.843336][ T7531]  ? sysfs_create_mount_point+0xb0/0xb0
[  494.849030][ T7531]  ? spin_bug+0x1d0/0x1d0
[  494.853426][ T7531]  ? class_dir_child_ns_type+0xd/0x60
[  494.858847][ T7531]  kobject_add_internal+0x2c8/0x960
[  494.864172][ T7531]  kobject_add+0x154/0x220
[  494.868656][ T7531]  ? kset_create_and_add+0x190/0x190
[  494.874018][ T7531]  ? do_raw_spin_unlock+0x173/0x230
[  494.879468][ T7531]  ? kobject_put+0xbe/0x440
[  494.884127][ T7531]  device_add+0x289/0x1a90
[  494.888647][ T7531]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  494.895570][ T7531]  ? __init_waitqueue_head+0xca/0x150
[  494.901100][ T7531]  tty_register_device_attr+0x382/0x7c0
[  494.906722][ T7531]  ? lockdep_init_map_type+0x16d/0x7c0
[  494.912336][ T7531]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  494.918298][ T7531]  ? lockdep_init_map_type+0x16d/0x7c0
[  494.923823][ T7531]  ? __raw_spin_lock_init+0x3a/0x110
[  494.929274][ T7531]  ? tty_port_init+0x156/0x1b0
[  494.934115][ T7531]  gsm_activate_mux+0x170/0x2f0
[  494.939037][ T7531]  gsmld_ioctl+0x876/0x1510
[  494.943732][ T7531]  ? gsm_dlci_config+0xf00/0xf00
[  494.948837][ T7531]  ? __ldsem_down_read_nested+0xe4/0x910
[  494.954537][ T7531]  ? __ldsem_down_read_nested+0xf4/0x910
[  494.960327][ T7531]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  494.965770][ T7531]  ? vt_waitactive+0x360/0x360
[  494.970609][ T7531]  ? gsm_dlci_config+0xf00/0xf00
[  494.975816][ T7531]  tty_ioctl+0x6f8/0x1550
[  494.980481][ T7531]  ? send_break+0x3e0/0x3e0
[  494.985147][ T7531]  ? reacquire_held_locks+0x4b0/0x4b0
[  494.990942][ T7531]  ? rcu_is_watching+0x12/0xb0
[  494.995886][ T7531]  ? do_one_initcall+0xf0/0x620
[  495.001092][ T7531]  ? __fget_files+0x272/0x410
[  495.005887][ T7531]  ? bpf_lsm_file_ioctl+0x9/0x10
[  495.010894][ T7531]  ? send_break+0x3e0/0x3e0
[  495.015576][ T7531]  __x64_sys_ioctl+0x18f/0x210
[  495.020736][ T7531]  do_syscall_64+0x38/0xb0
[  495.025486][ T7531]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  495.031448][ T7531] RIP: 0033:0x7fe65e0fd6e9
[  495.035929][ T7531] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  495.055943][ T7531] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  495.064584][ T7531] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  495.072615][ T7531] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  495.081167][ T7531] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  495.089545][ T7531] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  495.097915][ T7531] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  495.106048][ T7531]  </TASK>
[  495.116269][ T7531] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.397819][ T7534] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.419414][ T7534] CPU: 1 PID: 7534 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  495.428784][ T7534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  495.441031][ T7534] Call Trace:
[  495.444355][ T7534]  <TASK>
[  495.447405][ T7534]  dump_stack_lvl+0x125/0x1b0
[  495.452196][ T7534]  sysfs_warn_dup+0x7f/0xa0
[  495.456900][ T7534]  sysfs_create_dir_ns+0x237/0x290
[  495.462119][ T7534]  ? sysfs_create_mount_point+0xb0/0xb0
[  495.467684][ T7534]  ? spin_bug+0x1d0/0x1d0
[  495.472047][ T7534]  ? class_dir_child_ns_type+0xd/0x60
[  495.477707][ T7534]  kobject_add_internal+0x2c8/0x960
[  495.483136][ T7534]  kobject_add+0x154/0x220
[  495.487598][ T7534]  ? kset_create_and_add+0x190/0x190
[  495.492949][ T7534]  ? do_raw_spin_unlock+0x173/0x230
[  495.498289][ T7534]  ? kobject_put+0xbe/0x440
[  495.503037][ T7534]  device_add+0x289/0x1a90
[  495.507786][ T7534]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  495.514930][ T7534]  ? __init_waitqueue_head+0xca/0x150
[  495.520769][ T7534]  tty_register_device_attr+0x382/0x7c0
[  495.526608][ T7534]  ? lockdep_init_map_type+0x16d/0x7c0
[  495.532269][ T7534]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  495.538062][ T7534]  ? lockdep_init_map_type+0x16d/0x7c0
[  495.543989][ T7534]  ? __raw_spin_lock_init+0x3a/0x110
[  495.549331][ T7534]  ? tty_port_init+0x156/0x1b0
[  495.554557][ T7534]  gsm_activate_mux+0x170/0x2f0
[  495.559619][ T7534]  gsmld_ioctl+0x876/0x1510
[  495.564163][ T7534]  ? gsm_dlci_config+0xf00/0xf00
[  495.569148][ T7534]  ? __ldsem_down_read_nested+0xe4/0x910
[  495.575060][ T7534]  ? __ldsem_down_read_nested+0xf4/0x910
[  495.581082][ T7534]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  495.586842][ T7534]  ? vt_waitactive+0x360/0x360
[  495.591847][ T7534]  ? gsm_dlci_config+0xf00/0xf00
[  495.597201][ T7534]  tty_ioctl+0x6f8/0x1550
[  495.601585][ T7534]  ? send_break+0x3e0/0x3e0
[  495.606325][ T7534]  ? reacquire_held_locks+0x4b0/0x4b0
[  495.611949][ T7534]  ? rcu_is_watching+0x12/0xb0
[  495.616753][ T7534]  ? do_one_initcall+0xf0/0x620
[  495.622142][ T7534]  ? __fget_files+0x272/0x410
[  495.627785][ T7534]  ? bpf_lsm_file_ioctl+0x9/0x10
[  495.632768][ T7534]  ? send_break+0x3e0/0x3e0
[  495.637314][ T7534]  __x64_sys_ioctl+0x18f/0x210
[  495.642119][ T7534]  do_syscall_64+0x38/0xb0
[  495.646596][ T7534]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  495.652827][ T7534] RIP: 0033:0x7fe65e0fd6e9
[  495.657283][ T7534] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  495.677553][ T7534] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  495.686257][ T7534] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  495.694441][ T7534] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  495.702475][ T7534] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  495.710466][ T7534] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  495.718550][ T7534] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  495.726562][ T7534]  </TASK>
[  495.731474][ T7534] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.764984][ T7535] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.796676][ T7535] CPU: 1 PID: 7535 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  495.806133][ T7535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  495.816244][ T7535] Call Trace:
[  495.819562][ T7535]  <TASK>
[  495.822825][ T7535]  dump_stack_lvl+0x125/0x1b0
[  495.827581][ T7535]  sysfs_warn_dup+0x7f/0xa0
[  495.832232][ T7535]  sysfs_create_dir_ns+0x237/0x290
[  495.837400][ T7535]  ? sysfs_create_mount_point+0xb0/0xb0
[  495.842977][ T7535]  ? spin_bug+0x1d0/0x1d0
[  495.847435][ T7535]  ? class_dir_child_ns_type+0xd/0x60
[  495.852858][ T7535]  kobject_add_internal+0x2c8/0x960
[  495.858113][ T7535]  kobject_add+0x154/0x220
[  495.862572][ T7535]  ? kset_create_and_add+0x190/0x190
[  495.867920][ T7535]  ? do_raw_spin_unlock+0x173/0x230
[  495.873161][ T7535]  ? kobject_put+0xbe/0x440
[  495.877708][ T7535]  device_add+0x289/0x1a90
[  495.882268][ T7535]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  495.889160][ T7535]  ? __init_waitqueue_head+0xca/0x150
[  495.894607][ T7535]  tty_register_device_attr+0x382/0x7c0
[  495.900196][ T7535]  ? lockdep_init_map_type+0x16d/0x7c0
[  495.905714][ T7535]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  495.911402][ T7535]  ? lockdep_init_map_type+0x16d/0x7c0
[  495.917007][ T7535]  ? __raw_spin_lock_init+0x3a/0x110
[  495.922379][ T7535]  ? tty_port_init+0x156/0x1b0
[  495.927187][ T7535]  gsm_activate_mux+0x170/0x2f0
[  495.932252][ T7535]  gsmld_ioctl+0x876/0x1510
[  495.936796][ T7535]  ? gsm_dlci_config+0xf00/0xf00
[  495.941768][ T7535]  ? __ldsem_down_read_nested+0xe4/0x910
[  495.947649][ T7535]  ? __ldsem_down_read_nested+0xf4/0x910
[  495.953374][ T7535]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  495.958814][ T7535]  ? vt_waitactive+0x360/0x360
[  495.963654][ T7535]  ? gsm_dlci_config+0xf00/0xf00
[  495.968632][ T7535]  tty_ioctl+0x6f8/0x1550
[  495.973122][ T7535]  ? send_break+0x3e0/0x3e0
[  495.977686][ T7535]  ? reacquire_held_locks+0x4b0/0x4b0
[  495.983133][ T7535]  ? sigprocmask+0xf1/0x330
[  495.987695][ T7535]  ? do_sigtimedwait+0x5c0/0x5c0
[  495.992681][ T7535]  ? __fget_files+0x272/0x410
[  495.997405][ T7535]  ? bpf_lsm_file_ioctl+0x9/0x10
[  496.002376][ T7535]  ? send_break+0x3e0/0x3e0
[  496.006912][ T7535]  __x64_sys_ioctl+0x18f/0x210
[  496.011716][ T7535]  do_syscall_64+0x38/0xb0
[  496.016156][ T7535]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  496.022076][ T7535] RIP: 0033:0x7fe65e0fd6e9
[  496.026603][ T7535] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  496.046808][ T7535] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  496.055520][ T7535] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  496.063679][ T7535] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  496.071664][ T7535] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  496.079679][ T7535] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  496.088299][ T7535] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  496.096337][ T7535]  </TASK>
[  496.146723][ T7535] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.489204][ T7538] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.513354][ T7538] CPU: 1 PID: 7538 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  496.522635][ T7538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  496.532908][ T7538] Call Trace:
[  496.536230][ T7538]  <TASK>
[  496.539206][ T7538]  dump_stack_lvl+0x125/0x1b0
[  496.543949][ T7538]  sysfs_warn_dup+0x7f/0xa0
[  496.548579][ T7538]  sysfs_create_dir_ns+0x237/0x290
[  496.553844][ T7538]  ? sysfs_create_mount_point+0xb0/0xb0
[  496.559572][ T7538]  ? spin_bug+0x1d0/0x1d0
[  496.564098][ T7538]  ? class_dir_child_ns_type+0xd/0x60
[  496.569645][ T7538]  kobject_add_internal+0x2c8/0x960
[  496.575007][ T7538]  kobject_add+0x154/0x220
[  496.579500][ T7538]  ? kset_create_and_add+0x190/0x190
[  496.584941][ T7538]  ? do_raw_spin_unlock+0x173/0x230
[  496.590394][ T7538]  ? kobject_put+0xbe/0x440
[  496.595138][ T7538]  device_add+0x289/0x1a90
[  496.599872][ T7538]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  496.606757][ T7538]  ? __init_waitqueue_head+0xca/0x150
[  496.612597][ T7538]  tty_register_device_attr+0x382/0x7c0
[  496.618188][ T7538]  ? lockdep_init_map_type+0x16d/0x7c0
[  496.623947][ T7538]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  496.630043][ T7538]  ? lockdep_init_map_type+0x16d/0x7c0
[  496.635880][ T7538]  ? __raw_spin_lock_init+0x3a/0x110
[  496.641719][ T7538]  ? tty_port_init+0x156/0x1b0
[  496.646519][ T7538]  gsm_activate_mux+0x170/0x2f0
[  496.652103][ T7538]  gsmld_ioctl+0x876/0x1510
[  496.657204][ T7538]  ? gsm_dlci_config+0xf00/0xf00
[  496.662329][ T7538]  ? __ldsem_down_read_nested+0xe4/0x910
[  496.668463][ T7538]  ? __ldsem_down_read_nested+0xf4/0x910
[  496.674313][ T7538]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  496.680158][ T7538]  ? vt_waitactive+0x360/0x360
[  496.685336][ T7538]  ? gsm_dlci_config+0xf00/0xf00
[  496.690415][ T7538]  tty_ioctl+0x6f8/0x1550
[  496.695069][ T7538]  ? send_break+0x3e0/0x3e0
[  496.699664][ T7538]  ? reacquire_held_locks+0x4b0/0x4b0
[  496.705274][ T7538]  ? rcu_is_watching+0x12/0xb0
[  496.710092][ T7538]  ? do_one_initcall+0xf0/0x620
[  496.715355][ T7538]  ? __fget_files+0x272/0x410
[  496.720192][ T7538]  ? bpf_lsm_file_ioctl+0x9/0x10
[  496.725186][ T7538]  ? send_break+0x3e0/0x3e0
[  496.729804][ T7538]  __x64_sys_ioctl+0x18f/0x210
[  496.734601][ T7538]  do_syscall_64+0x38/0xb0
[  496.739048][ T7538]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  496.744965][ T7538] RIP: 0033:0x7fe65e0fd6e9
[  496.749404][ T7538] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  496.769134][ T7538] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  496.777722][ T7538] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  496.785820][ T7538] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  496.793809][ T7538] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  496.801794][ T7538] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  496.809866][ T7538] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  496.818340][ T7538]  </TASK>
[  496.827015][ T7539] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.835586][ T7539] CPU: 1 PID: 7539 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  496.845012][ T7539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  496.845701][ T7538] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.855085][ T7539] Call Trace:
[  496.855102][ T7539]  <TASK>
[  496.855114][ T7539]  dump_stack_lvl+0x125/0x1b0
[  496.855152][ T7539]  sysfs_warn_dup+0x7f/0xa0
[  496.885355][ T7539]  sysfs_create_dir_ns+0x237/0x290
[  496.890674][ T7539]  ? sysfs_create_mount_point+0xb0/0xb0
[  496.896510][ T7539]  ? spin_bug+0x1d0/0x1d0
[  496.900961][ T7539]  ? class_dir_child_ns_type+0xd/0x60
[  496.906358][ T7539]  kobject_add_internal+0x2c8/0x960
[  496.911585][ T7539]  kobject_add+0x154/0x220
[  496.916275][ T7539]  ? kset_create_and_add+0x190/0x190
[  496.921844][ T7539]  ? do_raw_spin_unlock+0x173/0x230
[  496.927164][ T7539]  ? kobject_put+0xbe/0x440
[  496.931781][ T7539]  device_add+0x289/0x1a90
[  496.936232][ T7539]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  496.943112][ T7539]  ? __init_waitqueue_head+0xca/0x150
[  496.948516][ T7539]  tty_register_device_attr+0x382/0x7c0
[  496.954094][ T7539]  ? lockdep_init_map_type+0x16d/0x7c0
[  496.959629][ T7539]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  496.965223][ T7539]  ? lockdep_init_map_type+0x16d/0x7c0
[  496.970896][ T7539]  ? __raw_spin_lock_init+0x3a/0x110
[  496.976226][ T7539]  ? tty_port_init+0x156/0x1b0
[  496.981014][ T7539]  gsm_activate_mux+0x170/0x2f0
[  496.985903][ T7539]  gsmld_ioctl+0x876/0x1510
[  496.990448][ T7539]  ? gsm_dlci_config+0xf00/0xf00
[  496.995420][ T7539]  ? __ldsem_down_read_nested+0xe4/0x910
[  497.001078][ T7539]  ? __ldsem_down_read_nested+0xf4/0x910
[  497.006874][ T7539]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  497.012305][ T7539]  ? vt_waitactive+0x360/0x360
[  497.017111][ T7539]  ? gsm_dlci_config+0xf00/0xf00
[  497.022865][ T7539]  tty_ioctl+0x6f8/0x1550
[  497.027280][ T7539]  ? send_break+0x3e0/0x3e0
[  497.031916][ T7539]  ? reacquire_held_locks+0x4b0/0x4b0
[  497.037315][ T7539]  ? sigprocmask+0xf1/0x330
[  497.041860][ T7539]  ? do_sigtimedwait+0x5c0/0x5c0
[  497.046923][ T7539]  ? __fget_files+0x272/0x410
[  497.051633][ T7539]  ? bpf_lsm_file_ioctl+0x9/0x10
[  497.056689][ T7539]  ? send_break+0x3e0/0x3e0
[  497.061220][ T7539]  __x64_sys_ioctl+0x18f/0x210
[  497.066112][ T7539]  do_syscall_64+0x38/0xb0
[  497.070547][ T7539]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  497.076643][ T7539] RIP: 0033:0x7fe65e0fd6e9
[  497.081160][ T7539] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  497.103853][ T7539] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  497.112328][ T7539] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  497.120512][ T7539] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  497.128942][ T7539] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  497.137212][ T7539] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  497.145304][ T7539] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  497.153314][ T7539]  </TASK>
[  497.184204][ T7539] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.542735][ T7542] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.566824][ T7542] CPU: 0 PID: 7542 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  497.576364][ T7542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  497.586635][ T7542] Call Trace:
[  497.589950][ T7542]  <TASK>
[  497.593006][ T7542]  dump_stack_lvl+0x125/0x1b0
[  497.597729][ T7542]  sysfs_warn_dup+0x7f/0xa0
[  497.602275][ T7542]  sysfs_create_dir_ns+0x237/0x290
[  497.607490][ T7542]  ? sysfs_create_mount_point+0xb0/0xb0
[  497.613356][ T7542]  ? spin_bug+0x1d0/0x1d0
[  497.617822][ T7542]  ? class_dir_child_ns_type+0xd/0x60
[  497.623692][ T7542]  kobject_add_internal+0x2c8/0x960
[  497.628961][ T7542]  kobject_add+0x154/0x220
[  497.633442][ T7542]  ? kset_create_and_add+0x190/0x190
[  497.638889][ T7542]  ? do_raw_spin_unlock+0x173/0x230
[  497.644185][ T7542]  ? kobject_put+0xbe/0x440
[  497.648763][ T7542]  device_add+0x289/0x1a90
[  497.653248][ T7542]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  497.660337][ T7542]  ? __init_waitqueue_head+0xca/0x150
[  497.665842][ T7542]  tty_register_device_attr+0x382/0x7c0
[  497.671546][ T7542]  ? lockdep_init_map_type+0x16d/0x7c0
[  497.677267][ T7542]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  497.682873][ T7542]  ? lockdep_init_map_type+0x16d/0x7c0
[  497.688400][ T7542]  ? __raw_spin_lock_init+0x3a/0x110
[  497.693841][ T7542]  ? tty_port_init+0x156/0x1b0
[  497.698664][ T7542]  gsm_activate_mux+0x170/0x2f0
[  497.703772][ T7542]  gsmld_ioctl+0x876/0x1510
[  497.708440][ T7542]  ? gsm_dlci_config+0xf00/0xf00
[  497.713536][ T7542]  ? __ldsem_down_read_nested+0xe4/0x910
[  497.719427][ T7542]  ? __ldsem_down_read_nested+0xf4/0x910
[  497.725309][ T7542]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  497.730769][ T7542]  ? vt_waitactive+0x360/0x360
[  497.735965][ T7542]  ? gsm_dlci_config+0xf00/0xf00
[  497.741498][ T7542]  tty_ioctl+0x6f8/0x1550
[  497.745898][ T7542]  ? send_break+0x3e0/0x3e0
[  497.750483][ T7542]  ? reacquire_held_locks+0x4b0/0x4b0
[  497.755917][ T7542]  ? rcu_is_watching+0x12/0xb0
[  497.760730][ T7542]  ? do_one_initcall+0xf0/0x620
[  497.765654][ T7542]  ? __fget_files+0x272/0x410
[  497.770488][ T7542]  ? bpf_lsm_file_ioctl+0x9/0x10
[  497.775483][ T7542]  ? send_break+0x3e0/0x3e0
[  497.780233][ T7542]  __x64_sys_ioctl+0x18f/0x210
[  497.785084][ T7542]  do_syscall_64+0x38/0xb0
[  497.789572][ T7542]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  497.795789][ T7542] RIP: 0033:0x7fe65e0fd6e9
[  497.800334][ T7542] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  497.820256][ T7542] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  497.828896][ T7542] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  497.836991][ T7542] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  497.845015][ T7542] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  497.853035][ T7542] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  497.861059][ T7542] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  497.869277][ T7542]  </TASK>
[  497.896749][ T7542] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.177459][ T7545] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  498.198324][ T7545] CPU: 1 PID: 7545 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  498.207855][ T7545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  498.218102][ T7545] Call Trace:
[  498.221392][ T7545]  <TASK>
[  498.224509][ T7545]  dump_stack_lvl+0x125/0x1b0
[  498.229219][ T7545]  sysfs_warn_dup+0x7f/0xa0
[  498.233830][ T7545]  sysfs_create_dir_ns+0x237/0x290
[  498.238966][ T7545]  ? sysfs_create_mount_point+0xb0/0xb0
[  498.244628][ T7545]  ? spin_bug+0x1d0/0x1d0
[  498.249080][ T7545]  ? class_dir_child_ns_type+0xd/0x60
[  498.254672][ T7545]  kobject_add_internal+0x2c8/0x960
[  498.259903][ T7545]  kobject_add+0x154/0x220
[  498.264342][ T7545]  ? kset_create_and_add+0x190/0x190
[  498.269756][ T7545]  ? do_raw_spin_unlock+0x173/0x230
[  498.275273][ T7545]  ? kobject_put+0xbe/0x440
[  498.279827][ T7545]  device_add+0x289/0x1a90
[  498.284471][ T7545]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  498.291476][ T7545]  ? __init_waitqueue_head+0xca/0x150
[  498.296894][ T7545]  tty_register_device_attr+0x382/0x7c0
[  498.302823][ T7545]  ? lockdep_init_map_type+0x16d/0x7c0
[  498.308668][ T7545]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  498.314241][ T7545]  ? lockdep_init_map_type+0x16d/0x7c0
[  498.319770][ T7545]  ? __raw_spin_lock_init+0x3a/0x110
[  498.325119][ T7545]  ? tty_port_init+0x156/0x1b0
[  498.330003][ T7545]  gsm_activate_mux+0x170/0x2f0
[  498.334898][ T7545]  gsmld_ioctl+0x876/0x1510
[  498.339437][ T7545]  ? gsm_dlci_config+0xf00/0xf00
[  498.344507][ T7545]  ? __ldsem_down_read_nested+0xe4/0x910
[  498.350166][ T7545]  ? __ldsem_down_read_nested+0xf4/0x910
[  498.355827][ T7545]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  498.361264][ T7545]  ? vt_waitactive+0x360/0x360
[  498.366077][ T7545]  ? gsm_dlci_config+0xf00/0xf00
[  498.371063][ T7545]  tty_ioctl+0x6f8/0x1550
[  498.375612][ T7545]  ? send_break+0x3e0/0x3e0
[  498.380155][ T7545]  ? reacquire_held_locks+0x4b0/0x4b0
[  498.385555][ T7545]  ? rcu_is_watching+0x12/0xb0
[  498.390340][ T7545]  ? do_one_initcall+0xf0/0x620
[  498.395237][ T7545]  ? __fget_files+0x272/0x410
[  498.399947][ T7545]  ? bpf_lsm_file_ioctl+0x9/0x10
[  498.404911][ T7545]  ? send_break+0x3e0/0x3e0
[  498.409486][ T7545]  __x64_sys_ioctl+0x18f/0x210
[  498.414334][ T7545]  do_syscall_64+0x38/0xb0
[  498.418867][ T7545]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  498.425229][ T7545] RIP: 0033:0x7fe65e0fd6e9
[  498.429746][ T7545] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  498.449724][ T7545] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  498.458158][ T7545] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  498.466411][ T7545] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  498.474507][ T7545] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  498.482489][ T7545] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  498.490562][ T7545] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  498.498562][ T7545]  </TASK>
[  498.504758][ T7545] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.505956][ T7546] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  498.538207][ T7546] CPU: 1 PID: 7546 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  498.547508][ T7546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  498.557604][ T7546] Call Trace:
[  498.561026][ T7546]  <TASK>
[  498.564168][ T7546]  dump_stack_lvl+0x125/0x1b0
[  498.568902][ T7546]  sysfs_warn_dup+0x7f/0xa0
[  498.573546][ T7546]  sysfs_create_dir_ns+0x237/0x290
[  498.578803][ T7546]  ? sysfs_create_mount_point+0xb0/0xb0
[  498.584761][ T7546]  ? spin_bug+0x1d0/0x1d0
[  498.589163][ T7546]  ? class_dir_child_ns_type+0xd/0x60
[  498.594688][ T7546]  kobject_add_internal+0x2c8/0x960
[  498.599956][ T7546]  kobject_add+0x154/0x220
[  498.604524][ T7546]  ? kset_create_and_add+0x190/0x190
[  498.609885][ T7546]  ? do_raw_spin_unlock+0x173/0x230
[  498.615267][ T7546]  ? kobject_put+0xbe/0x440
[  498.620029][ T7546]  device_add+0x289/0x1a90
[  498.624618][ T7546]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  498.631631][ T7546]  ? __init_waitqueue_head+0xca/0x150
[  498.637083][ T7546]  tty_register_device_attr+0x382/0x7c0
[  498.642729][ T7546]  ? lockdep_init_map_type+0x16d/0x7c0
[  498.648344][ T7546]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  498.653959][ T7546]  ? lockdep_init_map_type+0x16d/0x7c0
[  498.659670][ T7546]  ? __raw_spin_lock_init+0x3a/0x110
[  498.665108][ T7546]  ? tty_port_init+0x156/0x1b0
[  498.669937][ T7546]  gsm_activate_mux+0x170/0x2f0
[  498.674948][ T7546]  gsmld_ioctl+0x876/0x1510
[  498.679615][ T7546]  ? gsm_dlci_config+0xf00/0xf00
[  498.684623][ T7546]  ? __ldsem_down_read_nested+0xe4/0x910
[  498.690409][ T7546]  ? __ldsem_down_read_nested+0xf4/0x910
[  498.696107][ T7546]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  498.701624][ T7546]  ? vt_waitactive+0x360/0x360
[  498.706458][ T7546]  ? gsm_dlci_config+0xf00/0xf00
[  498.711460][ T7546]  tty_ioctl+0x6f8/0x1550
[  498.715851][ T7546]  ? send_break+0x3e0/0x3e0
[  498.720417][ T7546]  ? reacquire_held_locks+0x4b0/0x4b0
[  498.725936][ T7546]  ? sigprocmask+0xf1/0x330
[  498.730595][ T7546]  ? do_sigtimedwait+0x5c0/0x5c0
[  498.735655][ T7546]  ? __fget_files+0x272/0x410
[  498.740757][ T7546]  ? bpf_lsm_file_ioctl+0x9/0x10
[  498.745746][ T7546]  ? send_break+0x3e0/0x3e0
[  498.750333][ T7546]  __x64_sys_ioctl+0x18f/0x210
[  498.755162][ T7546]  do_syscall_64+0x38/0xb0
[  498.759719][ T7546]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  498.765751][ T7546] RIP: 0033:0x7fe65e0fd6e9
[  498.770208][ T7546] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  498.790327][ T7546] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  498.799063][ T7546] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  498.807254][ T7546] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  498.815271][ T7546] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  498.823474][ T7546] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  498.831572][ T7546] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  498.839701][ T7546]  </TASK>
[  498.862211][ T7546] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.145436][ T7549] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  499.168842][ T7549] CPU: 1 PID: 7549 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  499.178996][ T7549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  499.189094][ T7549] Call Trace:
[  499.192501][ T7549]  <TASK>
[  499.195616][ T7549]  dump_stack_lvl+0x125/0x1b0
[  499.200355][ T7549]  sysfs_warn_dup+0x7f/0xa0
[  499.204932][ T7549]  sysfs_create_dir_ns+0x237/0x290
[  499.210399][ T7549]  ? sysfs_create_mount_point+0xb0/0xb0
[  499.216181][ T7549]  ? spin_bug+0x1d0/0x1d0
[  499.220677][ T7549]  ? class_dir_child_ns_type+0xd/0x60
[  499.226353][ T7549]  kobject_add_internal+0x2c8/0x960
[  499.231794][ T7549]  kobject_add+0x154/0x220
[  499.236444][ T7549]  ? kset_create_and_add+0x190/0x190
[  499.241876][ T7549]  ? do_raw_spin_unlock+0x173/0x230
[  499.247163][ T7549]  ? kobject_put+0xbe/0x440
[  499.251744][ T7549]  device_add+0x289/0x1a90
[  499.256308][ T7549]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  499.263229][ T7549]  ? __init_waitqueue_head+0xca/0x150
[  499.268762][ T7549]  tty_register_device_attr+0x382/0x7c0
[  499.274378][ T7549]  ? lockdep_init_map_type+0x16d/0x7c0
[  499.279960][ T7549]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  499.285567][ T7549]  ? lockdep_init_map_type+0x16d/0x7c0
[  499.291098][ T7549]  ? __raw_spin_lock_init+0x3a/0x110
[  499.296643][ T7549]  ? tty_port_init+0x156/0x1b0
[  499.301563][ T7549]  gsm_activate_mux+0x170/0x2f0
[  499.306484][ T7549]  gsmld_ioctl+0x876/0x1510
[  499.311071][ T7549]  ? gsm_dlci_config+0xf00/0xf00
[  499.316089][ T7549]  ? __ldsem_down_read_nested+0xe4/0x910
[  499.321781][ T7549]  ? __ldsem_down_read_nested+0xf4/0x910
[  499.327587][ T7549]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  499.333130][ T7549]  ? vt_waitactive+0x360/0x360
[  499.337974][ T7549]  ? gsm_dlci_config+0xf00/0xf00
[  499.342992][ T7549]  tty_ioctl+0x6f8/0x1550
[  499.347395][ T7549]  ? send_break+0x3e0/0x3e0
[  499.351971][ T7549]  ? reacquire_held_locks+0x4b0/0x4b0
[  499.357587][ T7549]  ? rcu_is_watching+0x12/0xb0
[  499.362414][ T7549]  ? do_one_initcall+0xf0/0x620
[  499.367458][ T7549]  ? __fget_files+0x272/0x410
[  499.372212][ T7549]  ? bpf_lsm_file_ioctl+0x9/0x10
[  499.378602][ T7549]  ? send_break+0x3e0/0x3e0
[  499.383532][ T7549]  __x64_sys_ioctl+0x18f/0x210
[  499.388666][ T7549]  do_syscall_64+0x38/0xb0
[  499.393407][ T7549]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  499.399621][ T7549] RIP: 0033:0x7fe65e0fd6e9
[  499.404103][ T7549] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  499.424203][ T7549] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  499.433018][ T7549] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  499.441054][ T7549] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  499.449075][ T7549] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  499.457092][ T7549] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  499.465120][ T7549] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  499.473246][ T7549]  </TASK>
[  499.496826][ T7549] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.796405][ T7552] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  499.809590][ T7552] CPU: 1 PID: 7552 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  499.818857][ T7552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  499.829042][ T7552] Call Trace:
[  499.832358][ T7552]  <TASK>
[  499.835332][ T7552]  dump_stack_lvl+0x125/0x1b0
[  499.840762][ T7552]  sysfs_warn_dup+0x7f/0xa0
[  499.845419][ T7552]  sysfs_create_dir_ns+0x237/0x290
[  499.850681][ T7552]  ? sysfs_create_mount_point+0xb0/0xb0
[  499.856469][ T7552]  ? spin_bug+0x1d0/0x1d0
[  499.860870][ T7552]  ? class_dir_child_ns_type+0xd/0x60
[  499.866384][ T7552]  kobject_add_internal+0x2c8/0x960
[  499.871736][ T7552]  kobject_add+0x154/0x220
[  499.876235][ T7552]  ? kset_create_and_add+0x190/0x190
[  499.881579][ T7552]  ? do_raw_spin_unlock+0x173/0x230
[  499.886850][ T7552]  ? kobject_put+0xbe/0x440
[  499.891420][ T7552]  device_add+0x289/0x1a90
[  499.895975][ T7552]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  499.902972][ T7552]  ? __init_waitqueue_head+0xca/0x150
[  499.908500][ T7552]  tty_register_device_attr+0x382/0x7c0
[  499.914112][ T7552]  ? lockdep_init_map_type+0x16d/0x7c0
[  499.919634][ T7552]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  499.925237][ T7552]  ? lockdep_init_map_type+0x16d/0x7c0
[  499.930765][ T7552]  ? __raw_spin_lock_init+0x3a/0x110
[  499.936232][ T7552]  ? tty_port_init+0x156/0x1b0
[  499.941043][ T7552]  gsm_activate_mux+0x170/0x2f0
[  499.945957][ T7552]  gsmld_ioctl+0x876/0x1510
[  499.950534][ T7552]  ? gsm_dlci_config+0xf00/0xf00
[  499.955712][ T7552]  ? __ldsem_down_read_nested+0xe4/0x910
[  499.961400][ T7552]  ? __ldsem_down_read_nested+0xf4/0x910
[  499.967108][ T7552]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  499.972807][ T7552]  ? vt_waitactive+0x360/0x360
[  499.977641][ T7552]  ? gsm_dlci_config+0xf00/0xf00
[  499.982641][ T7552]  tty_ioctl+0x6f8/0x1550
[  499.987124][ T7552]  ? send_break+0x3e0/0x3e0
[  499.991695][ T7552]  ? reacquire_held_locks+0x4b0/0x4b0
[  499.997120][ T7552]  ? rcu_is_watching+0x12/0xb0
[  500.001932][ T7552]  ? do_one_initcall+0xf0/0x620
[  500.006908][ T7552]  ? __fget_files+0x272/0x410
[  500.011741][ T7552]  ? bpf_lsm_file_ioctl+0x9/0x10
[  500.017003][ T7552]  ? send_break+0x3e0/0x3e0
[  500.021575][ T7552]  __x64_sys_ioctl+0x18f/0x210
[  500.026433][ T7552]  do_syscall_64+0x38/0xb0
[  500.030905][ T7552]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  500.036998][ T7552] RIP: 0033:0x7fe65e0fd6e9
[  500.041463][ T7552] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  500.061384][ T7552] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  500.070042][ T7552] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  500.078411][ T7552] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  500.086513][ T7552] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  500.094720][ T7552] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  500.102834][ T7552] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  500.110870][ T7552]  </TASK>
[  500.127994][ T7552] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.451321][ T7557] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  500.477744][ T7557] CPU: 0 PID: 7557 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  500.487378][ T7557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  500.497738][ T7557] Call Trace:
[  500.501054][ T7557]  <TASK>
[  500.504032][ T7557]  dump_stack_lvl+0x125/0x1b0
[  500.509024][ T7557]  sysfs_warn_dup+0x7f/0xa0
[  500.513586][ T7557]  sysfs_create_dir_ns+0x237/0x290
[  500.518762][ T7557]  ? sysfs_create_mount_point+0xb0/0xb0
[  500.524385][ T7557]  ? spin_bug+0x1d0/0x1d0
[  500.528798][ T7557]  ? class_dir_child_ns_type+0xd/0x60
[  500.534323][ T7557]  kobject_add_internal+0x2c8/0x960
[  500.539776][ T7557]  kobject_add+0x154/0x220
[  500.544255][ T7557]  ? kset_create_and_add+0x190/0x190
[  500.549704][ T7557]  ? do_raw_spin_unlock+0x173/0x230
[  500.555064][ T7557]  ? kobject_put+0xbe/0x440
[  500.559651][ T7557]  device_add+0x289/0x1a90
[  500.564138][ T7557]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  500.571077][ T7557]  ? __init_waitqueue_head+0xca/0x150
[  500.576614][ T7557]  tty_register_device_attr+0x382/0x7c0
[  500.582238][ T7557]  ? lockdep_init_map_type+0x16d/0x7c0
[  500.587763][ T7557]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  500.593459][ T7557]  ? lockdep_init_map_type+0x16d/0x7c0
[  500.598989][ T7557]  ? __raw_spin_lock_init+0x3a/0x110
[  500.604436][ T7557]  ? tty_port_init+0x156/0x1b0
[  500.609268][ T7557]  gsm_activate_mux+0x170/0x2f0
[  500.614189][ T7557]  gsmld_ioctl+0x876/0x1510
[  500.618781][ T7557]  ? gsm_dlci_config+0xf00/0xf00
[  500.623985][ T7557]  ? __ldsem_down_read_nested+0xe4/0x910
[  500.629770][ T7557]  ? __ldsem_down_read_nested+0xf4/0x910
[  500.635569][ T7557]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  500.641271][ T7557]  ? vt_waitactive+0x360/0x360
[  500.646200][ T7557]  ? gsm_dlci_config+0xf00/0xf00
[  500.651469][ T7557]  tty_ioctl+0x6f8/0x1550
[  500.655871][ T7557]  ? send_break+0x3e0/0x3e0
[  500.660900][ T7557]  ? reacquire_held_locks+0x4b0/0x4b0
[  500.666424][ T7557]  ? rcu_is_watching+0x12/0xb0
[  500.671245][ T7557]  ? do_one_initcall+0xf0/0x620
[  500.676254][ T7557]  ? __fget_files+0x272/0x410
[  500.681088][ T7557]  ? bpf_lsm_file_ioctl+0x9/0x10
[  500.686183][ T7557]  ? send_break+0x3e0/0x3e0
[  500.691012][ T7557]  __x64_sys_ioctl+0x18f/0x210
[  500.695851][ T7557]  do_syscall_64+0x38/0xb0
[  500.700322][ T7557]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  500.706277][ T7557] RIP: 0033:0x7fe65e0fd6e9
[  500.710738][ T7557] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  500.730570][ T7557] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  500.739045][ T7557] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  500.747076][ T7557] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  500.755358][ T7557] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  500.763464][ T7557] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  500.771482][ T7557] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  500.779615][ T7557]  </TASK>
[  500.792739][ T7557] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.077143][ T7562] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  501.092330][ T7562] CPU: 1 PID: 7562 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  501.101692][ T7562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  501.111879][ T7562] Call Trace:
[  501.115189][ T7562]  <TASK>
[  501.118133][ T7562]  dump_stack_lvl+0x125/0x1b0
[  501.122853][ T7562]  sysfs_warn_dup+0x7f/0xa0
[  501.127382][ T7562]  sysfs_create_dir_ns+0x237/0x290
[  501.132515][ T7562]  ? sysfs_create_mount_point+0xb0/0xb0
[  501.138081][ T7562]  ? spin_bug+0x1d0/0x1d0
[  501.142641][ T7562]  ? class_dir_child_ns_type+0xd/0x60
[  501.148038][ T7562]  kobject_add_internal+0x2c8/0x960
[  501.153270][ T7562]  kobject_add+0x154/0x220
[  501.157718][ T7562]  ? kset_create_and_add+0x190/0x190
[  501.163030][ T7562]  ? do_raw_spin_unlock+0x173/0x230
[  501.168522][ T7562]  ? kobject_put+0xbe/0x440
[  501.173055][ T7562]  device_add+0x289/0x1a90
[  501.177506][ T7562]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  501.184480][ T7562]  ? __init_waitqueue_head+0xca/0x150
[  501.189920][ T7562]  tty_register_device_attr+0x382/0x7c0
[  501.195623][ T7562]  ? lockdep_init_map_type+0x16d/0x7c0
[  501.201136][ T7562]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  501.206798][ T7562]  ? lockdep_init_map_type+0x16d/0x7c0
[  501.212376][ T7562]  ? __raw_spin_lock_init+0x3a/0x110
[  501.217782][ T7562]  ? tty_port_init+0x156/0x1b0
[  501.222574][ T7562]  gsm_activate_mux+0x170/0x2f0
[  501.227890][ T7562]  gsmld_ioctl+0x876/0x1510
[  501.232539][ T7562]  ? gsm_dlci_config+0xf00/0xf00
[  501.237535][ T7562]  ? __ldsem_down_read_nested+0xe4/0x910
[  501.243276][ T7562]  ? __ldsem_down_read_nested+0xf4/0x910
[  501.248940][ T7562]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  501.254370][ T7562]  ? vt_waitactive+0x360/0x360
[  501.259199][ T7562]  ? gsm_dlci_config+0xf00/0xf00
[  501.264179][ T7562]  tty_ioctl+0x6f8/0x1550
[  501.268558][ T7562]  ? send_break+0x3e0/0x3e0
[  501.273181][ T7562]  ? reacquire_held_locks+0x4b0/0x4b0
[  501.278667][ T7562]  ? rcu_is_watching+0x12/0xb0
[  501.283455][ T7562]  ? do_one_initcall+0xf0/0x620
[  501.288369][ T7562]  ? __fget_files+0x272/0x410
[  501.293170][ T7562]  ? bpf_lsm_file_ioctl+0x9/0x10
[  501.298247][ T7562]  ? send_break+0x3e0/0x3e0
[  501.302865][ T7562]  __x64_sys_ioctl+0x18f/0x210
[  501.307757][ T7562]  do_syscall_64+0x38/0xb0
[  501.312193][ T7562]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  501.318202][ T7562] RIP: 0033:0x7fe65e0fd6e9
[  501.322643][ T7562] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  501.343226][ T7562] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  501.351835][ T7562] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  501.359834][ T7562] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  501.367820][ T7562] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  501.376005][ T7562] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  501.384190][ T7562] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  501.392340][ T7562]  </TASK>
[  501.401715][ T7563] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  501.409919][ T7562] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.412128][ T7563] CPU: 0 PID: 7563 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  501.433867][ T7563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  501.444138][ T7563] Call Trace:
[  501.447451][ T7563]  <TASK>
[  501.450423][ T7563]  dump_stack_lvl+0x125/0x1b0
[  501.455158][ T7563]  sysfs_warn_dup+0x7f/0xa0
[  501.459725][ T7563]  sysfs_create_dir_ns+0x237/0x290
[  501.464920][ T7563]  ? sysfs_create_mount_point+0xb0/0xb0
[  501.470717][ T7563]  ? spin_bug+0x1d0/0x1d0
[  501.475216][ T7563]  ? class_dir_child_ns_type+0xd/0x60
[  501.480834][ T7563]  kobject_add_internal+0x2c8/0x960
[  501.486452][ T7563]  kobject_add+0x154/0x220
[  501.491886][ T7563]  ? kset_create_and_add+0x190/0x190
[  501.497248][ T7563]  ? do_raw_spin_unlock+0x173/0x230
[  501.502519][ T7563]  ? kobject_put+0xbe/0x440
[  501.507098][ T7563]  device_add+0x289/0x1a90
[  501.511589][ T7563]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  501.518689][ T7563]  ? __init_waitqueue_head+0xca/0x150
[  501.524307][ T7563]  tty_register_device_attr+0x382/0x7c0
[  501.529922][ T7563]  ? lockdep_init_map_type+0x16d/0x7c0
[  501.535450][ T7563]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  501.541499][ T7563]  ? lockdep_init_map_type+0x16d/0x7c0
[  501.547263][ T7563]  ? __raw_spin_lock_init+0x3a/0x110
[  501.552626][ T7563]  ? tty_port_init+0x156/0x1b0
[  501.557458][ T7563]  gsm_activate_mux+0x170/0x2f0
[  501.562469][ T7563]  gsmld_ioctl+0x876/0x1510
[  501.567067][ T7563]  ? gsm_dlci_config+0xf00/0xf00
[  501.572081][ T7563]  ? __ldsem_down_read_nested+0xe4/0x910
[  501.577789][ T7563]  ? __ldsem_down_read_nested+0xf4/0x910
[  501.583682][ T7563]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  501.589237][ T7563]  ? vt_waitactive+0x360/0x360
[  501.594085][ T7563]  ? gsm_dlci_config+0xf00/0xf00
[  501.599092][ T7563]  tty_ioctl+0x6f8/0x1550
[  501.603495][ T7563]  ? send_break+0x3e0/0x3e0
[  501.608342][ T7563]  ? reacquire_held_locks+0x4b0/0x4b0
[  501.613870][ T7563]  ? sigprocmask+0xf1/0x330
[  501.619067][ T7563]  ? do_sigtimedwait+0x5c0/0x5c0
[  501.624179][ T7563]  ? __fget_files+0x272/0x410
[  501.629073][ T7563]  ? bpf_lsm_file_ioctl+0x9/0x10
[  501.634133][ T7563]  ? send_break+0x3e0/0x3e0
[  501.638707][ T7563]  __x64_sys_ioctl+0x18f/0x210
[  501.643642][ T7563]  do_syscall_64+0x38/0xb0
[  501.648432][ T7563]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  501.654466][ T7563] RIP: 0033:0x7fe65e0fd6e9
[  501.658933][ T7563] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  501.679369][ T7563] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  501.688098][ T7563] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  501.696116][ T7563] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  501.704227][ T7563] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  501.712263][ T7563] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  501.720388][ T7563] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  501.728452][ T7563]  </TASK>
[  501.735865][ T7563] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.022219][ T7566] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  502.050381][ T7566] CPU: 0 PID: 7566 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  502.059663][ T7566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  502.069850][ T7566] Call Trace:
[  502.073157][ T7566]  <TASK>
[  502.076129][ T7566]  dump_stack_lvl+0x125/0x1b0
[  502.080856][ T7566]  sysfs_warn_dup+0x7f/0xa0
[  502.085443][ T7566]  sysfs_create_dir_ns+0x237/0x290
[  502.090611][ T7566]  ? sysfs_create_mount_point+0xb0/0xb0
[  502.096298][ T7566]  ? spin_bug+0x1d0/0x1d0
[  502.100666][ T7566]  ? class_dir_child_ns_type+0xd/0x60
[  502.106185][ T7566]  kobject_add_internal+0x2c8/0x960
[  502.111449][ T7566]  kobject_add+0x154/0x220
[  502.115922][ T7566]  ? kset_create_and_add+0x190/0x190
[  502.121272][ T7566]  ? do_raw_spin_unlock+0x173/0x230
[  502.126544][ T7566]  ? kobject_put+0xbe/0x440
[  502.131106][ T7566]  device_add+0x289/0x1a90
[  502.135584][ T7566]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  502.142497][ T7566]  ? __init_waitqueue_head+0xca/0x150
[  502.148111][ T7566]  tty_register_device_attr+0x382/0x7c0
[  502.153720][ T7566]  ? lockdep_init_map_type+0x16d/0x7c0
[  502.159258][ T7566]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  502.164907][ T7566]  ? lockdep_init_map_type+0x16d/0x7c0
[  502.170778][ T7566]  ? __raw_spin_lock_init+0x3a/0x110
[  502.176393][ T7566]  ? tty_port_init+0x156/0x1b0
[  502.181647][ T7566]  gsm_activate_mux+0x170/0x2f0
[  502.186659][ T7566]  gsmld_ioctl+0x876/0x1510
[  502.191249][ T7566]  ? gsm_dlci_config+0xf00/0xf00
[  502.196336][ T7566]  ? __ldsem_down_read_nested+0xe4/0x910
[  502.202027][ T7566]  ? __ldsem_down_read_nested+0xf4/0x910
[  502.207748][ T7566]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  502.213346][ T7566]  ? vt_waitactive+0x360/0x360
[  502.218194][ T7566]  ? gsm_dlci_config+0xf00/0xf00
[  502.223221][ T7566]  tty_ioctl+0x6f8/0x1550
[  502.227711][ T7566]  ? send_break+0x3e0/0x3e0
[  502.232303][ T7566]  ? reacquire_held_locks+0x4b0/0x4b0
[  502.237834][ T7566]  ? rcu_is_watching+0x12/0xb0
[  502.243096][ T7566]  ? do_one_initcall+0xf0/0x620
[  502.248021][ T7566]  ? __fget_files+0x272/0x410
[  502.252781][ T7566]  ? bpf_lsm_file_ioctl+0x9/0x10
[  502.257869][ T7566]  ? send_break+0x3e0/0x3e0
[  502.262433][ T7566]  __x64_sys_ioctl+0x18f/0x210
[  502.267260][ T7566]  do_syscall_64+0x38/0xb0
[  502.271822][ T7566]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  502.277787][ T7566] RIP: 0033:0x7fe65e0fd6e9
[  502.282253][ T7566] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  502.302787][ T7566] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  502.311264][ T7566] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  502.319453][ T7566] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  502.327560][ T7566] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  502.335674][ T7566] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  502.343697][ T7566] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  502.351914][ T7566]  </TASK>
[  502.361893][ T7566] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.652105][ T7569] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  502.666783][ T7569] CPU: 0 PID: 7569 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  502.676067][ T7569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  502.686163][ T7569] Call Trace:
[  502.689659][ T7569]  <TASK>
[  502.692640][ T7569]  dump_stack_lvl+0x125/0x1b0
[  502.697370][ T7569]  sysfs_warn_dup+0x7f/0xa0
[  502.701973][ T7569]  sysfs_create_dir_ns+0x237/0x290
[  502.707139][ T7569]  ? sysfs_create_mount_point+0xb0/0xb0
[  502.713001][ T7569]  ? spin_bug+0x1d0/0x1d0
[  502.717484][ T7569]  ? class_dir_child_ns_type+0xd/0x60
[  502.722914][ T7569]  kobject_add_internal+0x2c8/0x960
[  502.728163][ T7569]  kobject_add+0x154/0x220
[  502.732612][ T7569]  ? kset_create_and_add+0x190/0x190
[  502.738206][ T7569]  ? do_raw_spin_unlock+0x173/0x230
[  502.743793][ T7569]  ? kobject_put+0xbe/0x440
[  502.748332][ T7569]  device_add+0x289/0x1a90
[  502.752789][ T7569]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  502.759843][ T7569]  ? __init_waitqueue_head+0xca/0x150
[  502.765247][ T7569]  tty_register_device_attr+0x382/0x7c0
[  502.770994][ T7569]  ? lockdep_init_map_type+0x16d/0x7c0
[  502.776486][ T7569]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  502.782224][ T7569]  ? lockdep_init_map_type+0x16d/0x7c0
[  502.787827][ T7569]  ? __raw_spin_lock_init+0x3a/0x110
[  502.793170][ T7569]  ? tty_port_init+0x156/0x1b0
[  502.798048][ T7569]  gsm_activate_mux+0x170/0x2f0
[  502.802954][ T7569]  gsmld_ioctl+0x876/0x1510
[  502.807512][ T7569]  ? gsm_dlci_config+0xf00/0xf00
[  502.812581][ T7569]  ? __ldsem_down_read_nested+0xe4/0x910
[  502.818327][ T7569]  ? __ldsem_down_read_nested+0xf4/0x910
[  502.823994][ T7569]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  502.829494][ T7569]  ? vt_waitactive+0x360/0x360
[  502.834420][ T7569]  ? gsm_dlci_config+0xf00/0xf00
[  502.839477][ T7569]  tty_ioctl+0x6f8/0x1550
[  502.843867][ T7569]  ? send_break+0x3e0/0x3e0
[  502.848850][ T7569]  ? reacquire_held_locks+0x4b0/0x4b0
[  502.854512][ T7569]  ? rcu_is_watching+0x12/0xb0
[  502.859473][ T7569]  ? do_one_initcall+0xf0/0x620
[  502.864356][ T7569]  ? __fget_files+0x272/0x410
[  502.869070][ T7569]  ? bpf_lsm_file_ioctl+0x9/0x10
[  502.874039][ T7569]  ? send_break+0x3e0/0x3e0
[  502.878760][ T7569]  __x64_sys_ioctl+0x18f/0x210
[  502.883589][ T7569]  do_syscall_64+0x38/0xb0
[  502.888047][ T7569]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  502.894068][ T7569] RIP: 0033:0x7fe65e0fd6e9
[  502.898517][ T7569] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  502.919020][ T7569] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  502.927556][ T7569] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  502.935541][ T7569] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  502.943528][ T7569] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  502.951511][ T7569] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  502.959585][ T7569] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  502.967686][ T7569]  </TASK>
[  503.018615][ T7570] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.019829][ T7569] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.034552][ T7570] CPU: 1 PID: 7570 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  503.050648][ T7570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  503.060884][ T7570] Call Trace:
[  503.064209][ T7570]  <TASK>
[  503.067177][ T7570]  dump_stack_lvl+0x125/0x1b0
[  503.071878][ T7570]  sysfs_warn_dup+0x7f/0xa0
[  503.076404][ T7570]  sysfs_create_dir_ns+0x237/0x290
[  503.081569][ T7570]  ? sysfs_create_mount_point+0xb0/0xb0
[  503.087325][ T7570]  ? spin_bug+0x1d0/0x1d0
[  503.091690][ T7570]  ? class_dir_child_ns_type+0xd/0x60
[  503.097085][ T7570]  kobject_add_internal+0x2c8/0x960
[  503.102320][ T7570]  kobject_add+0x154/0x220
[  503.106757][ T7570]  ? kset_create_and_add+0x190/0x190
[  503.112228][ T7570]  ? do_raw_spin_unlock+0x173/0x230
[  503.117729][ T7570]  ? kobject_put+0xbe/0x440
[  503.122264][ T7570]  device_add+0x289/0x1a90
[  503.126810][ T7570]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  503.133707][ T7570]  ? __init_waitqueue_head+0xca/0x150
[  503.139198][ T7570]  tty_register_device_attr+0x382/0x7c0
[  503.144894][ T7570]  ? lockdep_init_map_type+0x16d/0x7c0
[  503.150555][ T7570]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  503.156245][ T7570]  ? lockdep_init_map_type+0x16d/0x7c0
[  503.161845][ T7570]  ? __raw_spin_lock_init+0x3a/0x110
[  503.167183][ T7570]  ? tty_port_init+0x156/0x1b0
[  503.171979][ T7570]  gsm_activate_mux+0x170/0x2f0
[  503.176948][ T7570]  gsmld_ioctl+0x876/0x1510
[  503.181696][ T7570]  ? gsm_dlci_config+0xf00/0xf00
[  503.186678][ T7570]  ? __ldsem_down_read_nested+0xe4/0x910
[  503.192341][ T7570]  ? __ldsem_down_read_nested+0xf4/0x910
[  503.198000][ T7570]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  503.203418][ T7570]  ? vt_waitactive+0x360/0x360
[  503.208223][ T7570]  ? gsm_dlci_config+0xf00/0xf00
[  503.213276][ T7570]  tty_ioctl+0x6f8/0x1550
[  503.217635][ T7570]  ? send_break+0x3e0/0x3e0
[  503.222167][ T7570]  ? reacquire_held_locks+0x4b0/0x4b0
[  503.227566][ T7570]  ? sigprocmask+0xf1/0x330
[  503.232271][ T7570]  ? do_sigtimedwait+0x5c0/0x5c0
[  503.237249][ T7570]  ? __fget_files+0x272/0x410
[  503.241974][ T7570]  ? bpf_lsm_file_ioctl+0x9/0x10
[  503.247007][ T7570]  ? send_break+0x3e0/0x3e0
[  503.251633][ T7570]  __x64_sys_ioctl+0x18f/0x210
[  503.256429][ T7570]  do_syscall_64+0x38/0xb0
[  503.260868][ T7570]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  503.266784][ T7570] RIP: 0033:0x7fe65e0fd6e9
[  503.271213][ T7570] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  503.291098][ T7570] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  503.299532][ T7570] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  503.307518][ T7570] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  503.315638][ T7570] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  503.323715][ T7570] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  503.331901][ T7570] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  503.340115][ T7570]  </TASK>
[  503.352247][ T7570] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.721950][ T7573] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.734782][ T7573] CPU: 1 PID: 7573 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  503.744115][ T7573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  503.754470][ T7573] Call Trace:
[  503.757784][ T7573]  <TASK>
[  503.760876][ T7573]  dump_stack_lvl+0x125/0x1b0
[  503.765607][ T7573]  sysfs_warn_dup+0x7f/0xa0
[  503.770180][ T7573]  sysfs_create_dir_ns+0x237/0x290
[  503.775441][ T7573]  ? sysfs_create_mount_point+0xb0/0xb0
[  503.781156][ T7573]  ? spin_bug+0x1d0/0x1d0
[  503.785552][ T7573]  ? class_dir_child_ns_type+0xd/0x60
[  503.790939][ T7573]  kobject_add_internal+0x2c8/0x960
[  503.796272][ T7573]  kobject_add+0x154/0x220
[  503.800749][ T7573]  ? kset_create_and_add+0x190/0x190
[  503.806099][ T7573]  ? do_raw_spin_unlock+0x173/0x230
[  503.811347][ T7573]  ? kobject_put+0xbe/0x440
[  503.815894][ T7573]  device_add+0x289/0x1a90
[  503.820430][ T7573]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  503.827867][ T7573]  ? __init_waitqueue_head+0xca/0x150
[  503.833379][ T7573]  tty_register_device_attr+0x382/0x7c0
[  503.838971][ T7573]  ? lockdep_init_map_type+0x16d/0x7c0
[  503.844462][ T7573]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  503.850205][ T7573]  ? lockdep_init_map_type+0x16d/0x7c0
[  503.855783][ T7573]  ? __raw_spin_lock_init+0x3a/0x110
[  503.861107][ T7573]  ? tty_port_init+0x156/0x1b0
[  503.865987][ T7573]  gsm_activate_mux+0x170/0x2f0
[  503.870972][ T7573]  gsmld_ioctl+0x876/0x1510
[  503.875515][ T7573]  ? gsm_dlci_config+0xf00/0xf00
[  503.880588][ T7573]  ? __ldsem_down_read_nested+0xe4/0x910
[  503.886421][ T7573]  ? __ldsem_down_read_nested+0xf4/0x910
[  503.892174][ T7573]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  503.897581][ T7573]  ? vt_waitactive+0x360/0x360
[  503.902388][ T7573]  ? gsm_dlci_config+0xf00/0xf00
[  503.907356][ T7573]  tty_ioctl+0x6f8/0x1550
[  503.911751][ T7573]  ? send_break+0x3e0/0x3e0
[  503.916295][ T7573]  ? reacquire_held_locks+0x4b0/0x4b0
[  503.921811][ T7573]  ? rcu_is_watching+0x12/0xb0
[  503.926772][ T7573]  ? do_one_initcall+0xf0/0x620
[  503.931751][ T7573]  ? __fget_files+0x272/0x410
[  503.936562][ T7573]  ? bpf_lsm_file_ioctl+0x9/0x10
[  503.941611][ T7573]  ? send_break+0x3e0/0x3e0
[  503.946231][ T7573]  __x64_sys_ioctl+0x18f/0x210
[  503.951219][ T7573]  do_syscall_64+0x38/0xb0
[  503.955746][ T7573]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  503.961666][ T7573] RIP: 0033:0x7fe65e0fd6e9
[  503.966366][ T7573] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  503.986175][ T7573] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  503.994872][ T7573] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  504.003211][ T7573] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  504.011367][ T7573] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  504.019464][ T7573] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  504.027798][ T7573] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  504.037894][ T7573]  </TASK>
[  504.069507][ T7573] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.494269][ T7577] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  504.512595][ T7577] CPU: 1 PID: 7577 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  504.522697][ T7577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  504.532803][ T7577] Call Trace:
[  504.536118][ T7577]  <TASK>
[  504.539086][ T7577]  dump_stack_lvl+0x125/0x1b0
[  504.543820][ T7577]  sysfs_warn_dup+0x7f/0xa0
[  504.548476][ T7577]  sysfs_create_dir_ns+0x237/0x290
[  504.553727][ T7577]  ? sysfs_create_mount_point+0xb0/0xb0
[  504.559503][ T7577]  ? spin_bug+0x1d0/0x1d0
[  504.563902][ T7577]  ? class_dir_child_ns_type+0xd/0x60
[  504.569333][ T7577]  kobject_add_internal+0x2c8/0x960
[  504.574963][ T7577]  kobject_add+0x154/0x220
[  504.579535][ T7577]  ? kset_create_and_add+0x190/0x190
[  504.584888][ T7577]  ? do_raw_spin_unlock+0x173/0x230
[  504.590248][ T7577]  ? kobject_put+0xbe/0x440
[  504.594815][ T7577]  device_add+0x289/0x1a90
[  504.599409][ T7577]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  504.606589][ T7577]  ? __init_waitqueue_head+0xca/0x150
[  504.612028][ T7577]  tty_register_device_attr+0x382/0x7c0
[  504.617671][ T7577]  ? lockdep_init_map_type+0x16d/0x7c0
[  504.623358][ T7577]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  504.629837][ T7577]  ? lockdep_init_map_type+0x16d/0x7c0
[  504.635540][ T7577]  ? __raw_spin_lock_init+0x3a/0x110
[  504.640897][ T7577]  ? tty_port_init+0x156/0x1b0
[  504.645808][ T7577]  gsm_activate_mux+0x170/0x2f0
[  504.650857][ T7577]  gsmld_ioctl+0x876/0x1510
[  504.655437][ T7577]  ? gsm_dlci_config+0xf00/0xf00
[  504.660526][ T7577]  ? __ldsem_down_read_nested+0xe4/0x910
[  504.666203][ T7577]  ? __ldsem_down_read_nested+0xf4/0x910
[  504.671901][ T7577]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  504.677430][ T7577]  ? vt_waitactive+0x360/0x360
[  504.682268][ T7577]  ? gsm_dlci_config+0xf00/0xf00
[  504.687360][ T7577]  tty_ioctl+0x6f8/0x1550
[  504.691764][ T7577]  ? send_break+0x3e0/0x3e0
[  504.696421][ T7577]  ? reacquire_held_locks+0x4b0/0x4b0
[  504.701973][ T7577]  ? rcu_is_watching+0x12/0xb0
[  504.707060][ T7577]  ? do_one_initcall+0xf0/0x620
[  504.712068][ T7577]  ? __fget_files+0x272/0x410
[  504.716939][ T7577]  ? bpf_lsm_file_ioctl+0x9/0x10
[  504.722032][ T7577]  ? send_break+0x3e0/0x3e0
[  504.726600][ T7577]  __x64_sys_ioctl+0x18f/0x210
[  504.731436][ T7577]  do_syscall_64+0x38/0xb0
[  504.735910][ T7577]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  504.741946][ T7577] RIP: 0033:0x7fe65e0fd6e9
[  504.746400][ T7577] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  504.766228][ T7577] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  504.774953][ T7577] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  504.783069][ T7577] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  504.791084][ T7577] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  504.799185][ T7577] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  504.807384][ T7577] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  504.815508][ T7577]  </TASK>
[  504.822075][ T7577] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.138145][ T7581] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  505.173641][ T7581] CPU: 1 PID: 7581 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  505.182993][ T7581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  505.193153][ T7581] Call Trace:
[  505.196618][ T7581]  <TASK>
[  505.199569][ T7581]  dump_stack_lvl+0x125/0x1b0
[  505.204361][ T7581]  sysfs_warn_dup+0x7f/0xa0
[  505.208889][ T7581]  sysfs_create_dir_ns+0x237/0x290
[  505.214034][ T7581]  ? sysfs_create_mount_point+0xb0/0xb0
[  505.219600][ T7581]  ? spin_bug+0x1d0/0x1d0
[  505.224170][ T7581]  ? class_dir_child_ns_type+0xd/0x60
[  505.229938][ T7581]  kobject_add_internal+0x2c8/0x960
[  505.235988][ T7581]  kobject_add+0x154/0x220
[  505.240795][ T7581]  ? kset_create_and_add+0x190/0x190
[  505.246202][ T7581]  ? do_raw_spin_unlock+0x173/0x230
[  505.251782][ T7581]  ? kobject_put+0xbe/0x440
[  505.256320][ T7581]  device_add+0x289/0x1a90
[  505.260943][ T7581]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  505.267822][ T7581]  ? __init_waitqueue_head+0xca/0x150
[  505.273311][ T7581]  tty_register_device_attr+0x382/0x7c0
[  505.278888][ T7581]  ? lockdep_init_map_type+0x16d/0x7c0
[  505.284375][ T7581]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  505.290046][ T7581]  ? lockdep_init_map_type+0x16d/0x7c0
[  505.295547][ T7581]  ? __raw_spin_lock_init+0x3a/0x110
[  505.300884][ T7581]  ? tty_port_init+0x156/0x1b0
[  505.305762][ T7581]  gsm_activate_mux+0x170/0x2f0
[  505.310663][ T7581]  gsmld_ioctl+0x876/0x1510
[  505.315212][ T7581]  ? gsm_dlci_config+0xf00/0xf00
[  505.320183][ T7581]  ? __ldsem_down_read_nested+0xe4/0x910
[  505.325837][ T7581]  ? __ldsem_down_read_nested+0xf4/0x910
[  505.332323][ T7581]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  505.337853][ T7581]  ? vt_waitactive+0x360/0x360
[  505.342664][ T7581]  ? gsm_dlci_config+0xf00/0xf00
[  505.348175][ T7581]  tty_ioctl+0x6f8/0x1550
[  505.352751][ T7581]  ? send_break+0x3e0/0x3e0
[  505.357302][ T7581]  ? reacquire_held_locks+0x4b0/0x4b0
[  505.362793][ T7581]  ? rcu_is_watching+0x12/0xb0
[  505.367853][ T7581]  ? do_one_initcall+0xf0/0x620
[  505.372873][ T7581]  ? __fget_files+0x272/0x410
[  505.377779][ T7581]  ? bpf_lsm_file_ioctl+0x9/0x10
[  505.382748][ T7581]  ? send_break+0x3e0/0x3e0
[  505.387461][ T7581]  __x64_sys_ioctl+0x18f/0x210
[  505.392773][ T7581]  do_syscall_64+0x38/0xb0
[  505.398117][ T7581]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  505.404232][ T7581] RIP: 0033:0x7fe65e0fd6e9
[  505.408660][ T7581] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  505.428487][ T7581] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  505.437027][ T7581] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  505.445271][ T7581] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  505.453688][ T7581] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  505.461673][ T7581] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  505.469929][ T7581] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  505.478066][ T7581]  </TASK>
[  505.508717][ T7582] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  505.512592][ T7581] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.531195][ T7582] CPU: 0 PID: 7582 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  505.540742][ T7582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  505.551105][ T7582] Call Trace:
[  505.554599][ T7582]  <TASK>
[  505.557687][ T7582]  dump_stack_lvl+0x125/0x1b0
[  505.562425][ T7582]  sysfs_warn_dup+0x7f/0xa0
[  505.567092][ T7582]  sysfs_create_dir_ns+0x237/0x290
[  505.572271][ T7582]  ? sysfs_create_mount_point+0xb0/0xb0
[  505.578227][ T7582]  ? spin_bug+0x1d0/0x1d0
[  505.582985][ T7582]  ? class_dir_child_ns_type+0xd/0x60
[  505.588516][ T7582]  kobject_add_internal+0x2c8/0x960
[  505.593905][ T7582]  kobject_add+0x154/0x220
[  505.598409][ T7582]  ? kset_create_and_add+0x190/0x190
[  505.603766][ T7582]  ? do_raw_spin_unlock+0x173/0x230
[  505.609035][ T7582]  ? kobject_put+0xbe/0x440
[  505.613616][ T7582]  device_add+0x289/0x1a90
[  505.618154][ T7582]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  505.625251][ T7582]  ? __init_waitqueue_head+0xca/0x150
[  505.631024][ T7582]  tty_register_device_attr+0x382/0x7c0
[  505.636625][ T7582]  ? lockdep_init_map_type+0x16d/0x7c0
[  505.642151][ T7582]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  505.647763][ T7582]  ? lockdep_init_map_type+0x16d/0x7c0
[  505.653533][ T7582]  ? __raw_spin_lock_init+0x3a/0x110
[  505.658887][ T7582]  ? tty_port_init+0x156/0x1b0
[  505.663674][ T7582]  gsm_activate_mux+0x170/0x2f0
[  505.668561][ T7582]  gsmld_ioctl+0x876/0x1510
[  505.673364][ T7582]  ? gsm_dlci_config+0xf00/0xf00
[  505.678338][ T7582]  ? __ldsem_down_read_nested+0xe4/0x910
[  505.684075][ T7582]  ? __ldsem_down_read_nested+0xf4/0x910
[  505.690020][ T7582]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  505.695912][ T7582]  ? vt_waitactive+0x360/0x360
[  505.700823][ T7582]  ? gsm_dlci_config+0xf00/0xf00
[  505.705969][ T7582]  tty_ioctl+0x6f8/0x1550
[  505.710333][ T7582]  ? send_break+0x3e0/0x3e0
[  505.714866][ T7582]  ? reacquire_held_locks+0x4b0/0x4b0
[  505.720267][ T7582]  ? sigprocmask+0xf1/0x330
[  505.724812][ T7582]  ? do_sigtimedwait+0x5c0/0x5c0
[  505.729877][ T7582]  ? __fget_files+0x272/0x410
[  505.734586][ T7582]  ? bpf_lsm_file_ioctl+0x9/0x10
[  505.739547][ T7582]  ? send_break+0x3e0/0x3e0
[  505.744075][ T7582]  __x64_sys_ioctl+0x18f/0x210
[  505.748878][ T7582]  do_syscall_64+0x38/0xb0
[  505.753322][ T7582]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  505.759257][ T7582] RIP: 0033:0x7fe65e0fd6e9
[  505.763688][ T7582] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  505.783581][ T7582] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  505.792019][ T7582] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  505.800091][ T7582] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  505.808164][ T7582] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  505.816326][ T7582] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  505.824313][ T7582] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  505.832325][ T7582]  </TASK>
[  505.840375][ T7582] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.213031][ T7586] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  506.224192][ T7586] CPU: 1 PID: 7586 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  506.233456][ T7586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  506.243824][ T7586] Call Trace:
[  506.247147][ T7586]  <TASK>
[  506.250382][ T7586]  dump_stack_lvl+0x125/0x1b0
[  506.255115][ T7586]  sysfs_warn_dup+0x7f/0xa0
[  506.259781][ T7586]  sysfs_create_dir_ns+0x237/0x290
[  506.265038][ T7586]  ? sysfs_create_mount_point+0xb0/0xb0
[  506.270730][ T7586]  ? spin_bug+0x1d0/0x1d0
[  506.275124][ T7586]  ? class_dir_child_ns_type+0xd/0x60
[  506.280734][ T7586]  kobject_add_internal+0x2c8/0x960
[  506.286087][ T7586]  kobject_add+0x154/0x220
[  506.290560][ T7586]  ? kset_create_and_add+0x190/0x190
[  506.295909][ T7586]  ? do_raw_spin_unlock+0x173/0x230
[  506.301275][ T7586]  ? kobject_put+0xbe/0x440
[  506.305931][ T7586]  device_add+0x289/0x1a90
[  506.310407][ T7586]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  506.317413][ T7586]  ? __init_waitqueue_head+0xca/0x150
[  506.322846][ T7586]  tty_register_device_attr+0x382/0x7c0
[  506.328457][ T7586]  ? lockdep_init_map_type+0x16d/0x7c0
[  506.334063][ T7586]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  506.339675][ T7586]  ? lockdep_init_map_type+0x16d/0x7c0
[  506.345205][ T7586]  ? __raw_spin_lock_init+0x3a/0x110
[  506.352295][ T7586]  ? tty_port_init+0x156/0x1b0
[  506.357226][ T7586]  gsm_activate_mux+0x170/0x2f0
[  506.362331][ T7586]  gsmld_ioctl+0x876/0x1510
[  506.366913][ T7586]  ? gsm_dlci_config+0xf00/0xf00
[  506.372013][ T7586]  ? __ldsem_down_read_nested+0xe4/0x910
[  506.377708][ T7586]  ? __ldsem_down_read_nested+0xf4/0x910
[  506.383415][ T7586]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  506.388941][ T7586]  ? vt_waitactive+0x360/0x360
[  506.393777][ T7586]  ? gsm_dlci_config+0xf00/0xf00
[  506.398778][ T7586]  tty_ioctl+0x6f8/0x1550
[  506.403167][ T7586]  ? send_break+0x3e0/0x3e0
[  506.407830][ T7586]  ? reacquire_held_locks+0x4b0/0x4b0
[  506.413431][ T7586]  ? rcu_is_watching+0x12/0xb0
[  506.418250][ T7586]  ? do_one_initcall+0xf0/0x620
[  506.423347][ T7586]  ? __fget_files+0x272/0x410
[  506.428173][ T7586]  ? bpf_lsm_file_ioctl+0x9/0x10
[  506.433603][ T7586]  ? send_break+0x3e0/0x3e0
[  506.438160][ T7586]  __x64_sys_ioctl+0x18f/0x210
[  506.443160][ T7586]  do_syscall_64+0x38/0xb0
[  506.447632][ T7586]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  506.453759][ T7586] RIP: 0033:0x7fe65e0fd6e9
[  506.458221][ T7586] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  506.478401][ T7586] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  506.487554][ T7586] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  506.495597][ T7586] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  506.503703][ T7586] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  506.511855][ T7586] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  506.519905][ T7586] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  506.527942][ T7586]  </TASK>
[  506.552819][ T7586] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.839295][ T7589] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  506.848535][ T7589] CPU: 0 PID: 7589 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  506.857785][ T7589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  506.868149][ T7589] Call Trace:
[  506.871469][ T7589]  <TASK>
[  506.874522][ T7589]  dump_stack_lvl+0x125/0x1b0
[  506.879253][ T7589]  sysfs_warn_dup+0x7f/0xa0
[  506.883813][ T7589]  sysfs_create_dir_ns+0x237/0x290
[  506.888999][ T7589]  ? sysfs_create_mount_point+0xb0/0xb0
[  506.894605][ T7589]  ? spin_bug+0x1d0/0x1d0
[  506.899010][ T7589]  ? class_dir_child_ns_type+0xd/0x60
[  506.904792][ T7589]  kobject_add_internal+0x2c8/0x960
[  506.910334][ T7589]  kobject_add+0x154/0x220
[  506.914836][ T7589]  ? kset_create_and_add+0x190/0x190
[  506.920162][ T7589]  ? do_raw_spin_unlock+0x173/0x230
[  506.925660][ T7589]  ? kobject_put+0xbe/0x440
[  506.930376][ T7589]  device_add+0x289/0x1a90
[  506.935521][ T7589]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  506.942575][ T7589]  ? __init_waitqueue_head+0xca/0x150
[  506.947978][ T7589]  tty_register_device_attr+0x382/0x7c0
[  506.953556][ T7589]  ? lockdep_init_map_type+0x16d/0x7c0
[  506.959053][ T7589]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  506.964795][ T7589]  ? lockdep_init_map_type+0x16d/0x7c0
[  506.970294][ T7589]  ? __raw_spin_lock_init+0x3a/0x110
[  506.975694][ T7589]  ? tty_port_init+0x156/0x1b0
[  506.980575][ T7589]  gsm_activate_mux+0x170/0x2f0
[  506.985484][ T7589]  gsmld_ioctl+0x876/0x1510
[  506.990142][ T7589]  ? gsm_dlci_config+0xf00/0xf00
[  506.995126][ T7589]  ? __ldsem_down_read_nested+0xe4/0x910
[  507.001308][ T7589]  ? __ldsem_down_read_nested+0xf4/0x910
[  507.007011][ T7589]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  507.012715][ T7589]  ? vt_waitactive+0x360/0x360
[  507.017539][ T7589]  ? gsm_dlci_config+0xf00/0xf00
[  507.023048][ T7589]  tty_ioctl+0x6f8/0x1550
[  507.027500][ T7589]  ? send_break+0x3e0/0x3e0
[  507.032124][ T7589]  ? reacquire_held_locks+0x4b0/0x4b0
[  507.037793][ T7589]  ? rcu_is_watching+0x12/0xb0
[  507.042963][ T7589]  ? do_one_initcall+0xf0/0x620
[  507.047846][ T7589]  ? __fget_files+0x272/0x410
[  507.052554][ T7589]  ? bpf_lsm_file_ioctl+0x9/0x10
[  507.057517][ T7589]  ? send_break+0x3e0/0x3e0
[  507.062048][ T7589]  __x64_sys_ioctl+0x18f/0x210
[  507.066944][ T7589]  do_syscall_64+0x38/0xb0
[  507.071403][ T7589]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  507.077410][ T7589] RIP: 0033:0x7fe65e0fd6e9
[  507.081933][ T7589] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  507.102079][ T7589] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  507.110517][ T7589] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  507.118536][ T7589] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  507.126960][ T7589] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  507.135223][ T7589] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  507.143557][ T7589] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  507.151667][ T7589]  </TASK>
[  507.156640][ T7590] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.165639][ T7590] CPU: 0 PID: 7590 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  507.174978][ T7590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  507.185087][ T7590] Call Trace:
[  507.187417][ T7589] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.188375][ T7590]  <TASK>
[  507.188388][ T7590]  dump_stack_lvl+0x125/0x1b0
[  507.210034][ T7590]  sysfs_warn_dup+0x7f/0xa0
[  507.214594][ T7590]  sysfs_create_dir_ns+0x237/0x290
[  507.219738][ T7590]  ? sysfs_create_mount_point+0xb0/0xb0
[  507.225315][ T7590]  ? spin_bug+0x1d0/0x1d0
[  507.229860][ T7590]  ? class_dir_child_ns_type+0xd/0x60
[  507.235266][ T7590]  kobject_add_internal+0x2c8/0x960
[  507.240500][ T7590]  kobject_add+0x154/0x220
[  507.245026][ T7590]  ? kset_create_and_add+0x190/0x190
[  507.250863][ T7590]  ? do_raw_spin_unlock+0x173/0x230
[  507.256183][ T7590]  ? kobject_put+0xbe/0x440
[  507.260833][ T7590]  device_add+0x289/0x1a90
[  507.265369][ T7590]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  507.272434][ T7590]  ? __init_waitqueue_head+0xca/0x150
[  507.278055][ T7590]  tty_register_device_attr+0x382/0x7c0
[  507.283751][ T7590]  ? lockdep_init_map_type+0x16d/0x7c0
[  507.289248][ T7590]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  507.294827][ T7590]  ? lockdep_init_map_type+0x16d/0x7c0
[  507.300317][ T7590]  ? __raw_spin_lock_init+0x3a/0x110
[  507.305851][ T7590]  ? tty_port_init+0x156/0x1b0
[  507.310641][ T7590]  gsm_activate_mux+0x170/0x2f0
[  507.315533][ T7590]  gsmld_ioctl+0x876/0x1510
[  507.320077][ T7590]  ? gsm_dlci_config+0xf00/0xf00
[  507.325048][ T7590]  ? __ldsem_down_read_nested+0xe4/0x910
[  507.330791][ T7590]  ? __ldsem_down_read_nested+0xf4/0x910
[  507.336483][ T7590]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  507.342001][ T7590]  ? vt_waitactive+0x360/0x360
[  507.346978][ T7590]  ? gsm_dlci_config+0xf00/0xf00
[  507.352036][ T7590]  tty_ioctl+0x6f8/0x1550
[  507.356684][ T7590]  ? send_break+0x3e0/0x3e0
[  507.361419][ T7590]  ? reacquire_held_locks+0x4b0/0x4b0
[  507.367019][ T7590]  ? sigprocmask+0xf1/0x330
[  507.372306][ T7590]  ? do_sigtimedwait+0x5c0/0x5c0
[  507.377323][ T7590]  ? __fget_files+0x272/0x410
[  507.382227][ T7590]  ? bpf_lsm_file_ioctl+0x9/0x10
[  507.387213][ T7590]  ? send_break+0x3e0/0x3e0
[  507.391784][ T7590]  __x64_sys_ioctl+0x18f/0x210
[  507.396992][ T7590]  do_syscall_64+0x38/0xb0
[  507.401682][ T7590]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  507.408065][ T7590] RIP: 0033:0x7fe65e0fd6e9
[  507.412582][ T7590] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  507.432565][ T7590] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  507.441282][ T7590] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  507.449275][ T7590] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  507.457272][ T7590] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  507.465260][ T7590] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  507.473338][ T7590] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  507.481341][ T7590]  </TASK>
[  507.512475][ T1235] ieee802154 phy0 wpan0: encryption failed: -22
[  507.519134][ T1235] ieee802154 phy1 wpan1: encryption failed: -22
[  507.559167][ T7590] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.915633][ T7593] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.945484][ T7593] CPU: 1 PID: 7593 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  507.955277][ T7593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  507.962318][ T7594] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.965474][ T7593] Call Trace:
[  507.965487][ T7593]  <TASK>
[  507.965497][ T7593]  dump_stack_lvl+0x125/0x1b0
[  507.965534][ T7593]  sysfs_warn_dup+0x7f/0xa0
[  507.965566][ T7593]  sysfs_create_dir_ns+0x237/0x290
[  507.965595][ T7593]  ? sysfs_create_mount_point+0xb0/0xb0
[  508.001230][ T7593]  ? spin_bug+0x1d0/0x1d0
[  508.005765][ T7593]  ? class_dir_child_ns_type+0xd/0x60
[  508.011337][ T7593]  kobject_add_internal+0x2c8/0x960
[  508.016685][ T7593]  kobject_add+0x154/0x220
[  508.021230][ T7593]  ? kset_create_and_add+0x190/0x190
[  508.026543][ T7593]  ? do_raw_spin_unlock+0x173/0x230
[  508.031866][ T7593]  ? kobject_put+0xbe/0x440
[  508.036407][ T7593]  device_add+0x289/0x1a90
[  508.040862][ T7593]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  508.047872][ T7593]  ? __init_waitqueue_head+0xca/0x150
[  508.053303][ T7593]  tty_register_device_attr+0x382/0x7c0
[  508.059143][ T7593]  ? lockdep_init_map_type+0x16d/0x7c0
[  508.064719][ T7593]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  508.070378][ T7593]  ? lockdep_init_map_type+0x16d/0x7c0
[  508.075868][ T7593]  ? __raw_spin_lock_init+0x3a/0x110
[  508.081182][ T7593]  ? tty_port_init+0x156/0x1b0
[  508.086109][ T7593]  gsm_activate_mux+0x170/0x2f0
[  508.090990][ T7593]  gsmld_ioctl+0x876/0x1510
[  508.095529][ T7593]  ? gsm_dlci_config+0xf00/0xf00
[  508.100497][ T7593]  ? __ldsem_down_read_nested+0xe4/0x910
[  508.106175][ T7593]  ? __ldsem_down_read_nested+0xf4/0x910
[  508.111842][ T7593]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  508.117367][ T7593]  ? vt_waitactive+0x360/0x360
[  508.122283][ T7593]  ? gsm_dlci_config+0xf00/0xf00
[  508.127282][ T7593]  tty_ioctl+0x6f8/0x1550
[  508.132177][ T7593]  ? send_break+0x3e0/0x3e0
[  508.137223][ T7593]  ? reacquire_held_locks+0x4b0/0x4b0
[  508.142712][ T7593]  ? rcu_is_watching+0x12/0xb0
[  508.147495][ T7593]  ? do_one_initcall+0xf0/0x620
[  508.152377][ T7593]  ? __fget_files+0x272/0x410
[  508.157260][ T7593]  ? bpf_lsm_file_ioctl+0x9/0x10
[  508.162221][ T7593]  ? send_break+0x3e0/0x3e0
[  508.166929][ T7593]  __x64_sys_ioctl+0x18f/0x210
[  508.171902][ T7593]  do_syscall_64+0x38/0xb0
[  508.176718][ T7593]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  508.182721][ T7593] RIP: 0033:0x7fe65e0fd6e9
[  508.187149][ T7593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  508.207215][ T7593] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  508.215758][ T7593] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  508.223742][ T7593] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  508.231810][ T7593] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  508.239809][ T7593] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  508.247991][ T7593] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  508.256437][ T7593]  </TASK>
[  508.291236][ T7594] CPU: 1 PID: 7594 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  508.300785][ T7594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  508.311140][ T7594] Call Trace:
[  508.314737][ T7594]  <TASK>
[  508.317695][ T7594]  dump_stack_lvl+0x125/0x1b0
[  508.322509][ T7594]  sysfs_warn_dup+0x7f/0xa0
[  508.327149][ T7594]  sysfs_create_dir_ns+0x237/0x290
[  508.332332][ T7594]  ? sysfs_create_mount_point+0xb0/0xb0
[  508.337683][ T7593] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.338018][ T7594]  ? spin_bug+0x1d0/0x1d0
[  508.356521][ T7594]  ? class_dir_child_ns_type+0xd/0x60
[  508.362007][ T7594]  kobject_add_internal+0x2c8/0x960
[  508.367269][ T7594]  kobject_add+0x154/0x220
[  508.372149][ T7594]  ? kset_create_and_add+0x190/0x190
[  508.377547][ T7594]  ? do_raw_spin_unlock+0x173/0x230
[  508.382782][ T7594]  ? kobject_put+0xbe/0x440
[  508.387314][ T7594]  device_add+0x289/0x1a90
[  508.391762][ T7594]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  508.398727][ T7594]  ? __init_waitqueue_head+0xca/0x150
[  508.404126][ T7594]  tty_register_device_attr+0x382/0x7c0
[  508.409814][ T7594]  ? lockdep_init_map_type+0x16d/0x7c0
[  508.415481][ T7594]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  508.421054][ T7594]  ? lockdep_init_map_type+0x16d/0x7c0
[  508.426746][ T7594]  ? __raw_spin_lock_init+0x3a/0x110
[  508.432079][ T7594]  ? tty_port_init+0x156/0x1b0
[  508.436876][ T7594]  gsm_activate_mux+0x170/0x2f0
[  508.441848][ T7594]  gsmld_ioctl+0x876/0x1510
[  508.446568][ T7594]  ? gsm_dlci_config+0xf00/0xf00
[  508.451540][ T7594]  ? __ldsem_down_read_nested+0xe4/0x910
[  508.457192][ T7594]  ? __ldsem_down_read_nested+0xf4/0x910
[  508.462854][ T7594]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  508.468294][ T7594]  ? vt_waitactive+0x360/0x360
[  508.473101][ T7594]  ? gsm_dlci_config+0xf00/0xf00
[  508.478156][ T7594]  tty_ioctl+0x6f8/0x1550
[  508.482522][ T7594]  ? send_break+0x3e0/0x3e0
[  508.487072][ T7594]  ? reacquire_held_locks+0x4b0/0x4b0
[  508.492558][ T7594]  ? sigprocmask+0xf1/0x330
[  508.497178][ T7594]  ? do_sigtimedwait+0x5c0/0x5c0
[  508.502509][ T7594]  ? __fget_files+0x272/0x410
[  508.507233][ T7594]  ? bpf_lsm_file_ioctl+0x9/0x10
[  508.512280][ T7594]  ? send_break+0x3e0/0x3e0
[  508.516812][ T7594]  __x64_sys_ioctl+0x18f/0x210
[  508.521625][ T7594]  do_syscall_64+0x38/0xb0
[  508.526073][ T7594]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  508.531990][ T7594] RIP: 0033:0x7fe65e0fd6e9
[  508.536422][ T7594] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  508.556232][ T7594] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  508.564717][ T7594] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  508.572753][ T7594] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  508.581011][ T7594] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  508.589086][ T7594] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  508.597333][ T7594] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  508.605430][ T7594]  </TASK>
[  508.626702][ T7594] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.977530][ T7597] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.002537][ T7597] CPU: 1 PID: 7597 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  509.011812][ T7597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  509.022101][ T7597] Call Trace:
[  509.025431][ T7597]  <TASK>
[  509.028392][ T7597]  dump_stack_lvl+0x125/0x1b0
[  509.033135][ T7597]  sysfs_warn_dup+0x7f/0xa0
[  509.037706][ T7597]  sysfs_create_dir_ns+0x237/0x290
[  509.042868][ T7597]  ? sysfs_create_mount_point+0xb0/0xb0
[  509.048504][ T7597]  ? spin_bug+0x1d0/0x1d0
[  509.052894][ T7597]  ? class_dir_child_ns_type+0xd/0x60
[  509.058314][ T7597]  kobject_add_internal+0x2c8/0x960
[  509.063562][ T7597]  kobject_add+0x154/0x220
[  509.068024][ T7597]  ? kset_create_and_add+0x190/0x190
[  509.073560][ T7597]  ? do_raw_spin_unlock+0x173/0x230
[  509.078884][ T7597]  ? kobject_put+0xbe/0x440
[  509.083421][ T7597]  device_add+0x289/0x1a90
[  509.088219][ T7597]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  509.095221][ T7597]  ? __init_waitqueue_head+0xca/0x150
[  509.100627][ T7597]  tty_register_device_attr+0x382/0x7c0
[  509.106290][ T7597]  ? lockdep_init_map_type+0x16d/0x7c0
[  509.111776][ T7597]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  509.117606][ T7597]  ? lockdep_init_map_type+0x16d/0x7c0
[  509.123183][ T7597]  ? __raw_spin_lock_init+0x3a/0x110
[  509.128497][ T7597]  ? tty_port_init+0x156/0x1b0
[  509.133372][ T7597]  gsm_activate_mux+0x170/0x2f0
[  509.138447][ T7597]  gsmld_ioctl+0x876/0x1510
[  509.142986][ T7597]  ? gsm_dlci_config+0xf00/0xf00
[  509.147955][ T7597]  ? __ldsem_down_read_nested+0xe4/0x910
[  509.153609][ T7597]  ? __ldsem_down_read_nested+0xf4/0x910
[  509.159279][ T7597]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  509.164777][ T7597]  ? vt_waitactive+0x360/0x360
[  509.169659][ T7597]  ? gsm_dlci_config+0xf00/0xf00
[  509.174970][ T7597]  tty_ioctl+0x6f8/0x1550
[  509.179327][ T7597]  ? send_break+0x3e0/0x3e0
[  509.183859][ T7597]  ? reacquire_held_locks+0x4b0/0x4b0
[  509.189256][ T7597]  ? rcu_is_watching+0x12/0xb0
[  509.194128][ T7597]  ? do_one_initcall+0xf0/0x620
[  509.199193][ T7597]  ? __fget_files+0x272/0x410
[  509.204077][ T7597]  ? bpf_lsm_file_ioctl+0x9/0x10
[  509.209241][ T7597]  ? send_break+0x3e0/0x3e0
[  509.213771][ T7597]  __x64_sys_ioctl+0x18f/0x210
[  509.218655][ T7597]  do_syscall_64+0x38/0xb0
[  509.223085][ T7597]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  509.229087][ T7597] RIP: 0033:0x7fe65e0fd6e9
[  509.233513][ T7597] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  509.253228][ T7597] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  509.261921][ T7597] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  509.269995][ T7597] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  509.277980][ T7597] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  509.286052][ T7597] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  509.294128][ T7597] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  509.302129][ T7597]  </TASK>
[  509.313823][ T7597] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.322965][ T7598] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.337048][ T7598] CPU: 0 PID: 7598 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  509.346475][ T7598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  509.356669][ T7598] Call Trace:
[  509.359983][ T7598]  <TASK>
[  509.363214][ T7598]  dump_stack_lvl+0x125/0x1b0
[  509.368117][ T7598]  sysfs_warn_dup+0x7f/0xa0
[  509.372764][ T7598]  sysfs_create_dir_ns+0x237/0x290
[  509.377932][ T7598]  ? sysfs_create_mount_point+0xb0/0xb0
[  509.383533][ T7598]  ? spin_bug+0x1d0/0x1d0
[  509.387932][ T7598]  ? class_dir_child_ns_type+0xd/0x60
[  509.393370][ T7598]  kobject_add_internal+0x2c8/0x960
[  509.398636][ T7598]  kobject_add+0x154/0x220
[  509.403109][ T7598]  ? kset_create_and_add+0x190/0x190
[  509.408488][ T7598]  ? do_raw_spin_unlock+0x173/0x230
[  509.413751][ T7598]  ? kobject_put+0xbe/0x440
[  509.418407][ T7598]  device_add+0x289/0x1a90
[  509.422895][ T7598]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  509.430259][ T7598]  ? __init_waitqueue_head+0xca/0x150
[  509.435705][ T7598]  tty_register_device_attr+0x382/0x7c0
[  509.441316][ T7598]  ? lockdep_init_map_type+0x16d/0x7c0
[  509.446844][ T7598]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  509.452534][ T7598]  ? lockdep_init_map_type+0x16d/0x7c0
[  509.458240][ T7598]  ? __raw_spin_lock_init+0x3a/0x110
[  509.463570][ T7598]  ? tty_port_init+0x156/0x1b0
[  509.468360][ T7598]  gsm_activate_mux+0x170/0x2f0
[  509.473424][ T7598]  gsmld_ioctl+0x876/0x1510
[  509.478057][ T7598]  ? gsm_dlci_config+0xf00/0xf00
[  509.483034][ T7598]  ? __ldsem_down_read_nested+0xe4/0x910
[  509.489149][ T7598]  ? __ldsem_down_read_nested+0xf4/0x910
[  509.494897][ T7598]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  509.500304][ T7598]  ? vt_waitactive+0x360/0x360
[  509.505104][ T7598]  ? gsm_dlci_config+0xf00/0xf00
[  509.510331][ T7598]  tty_ioctl+0x6f8/0x1550
[  509.514808][ T7598]  ? send_break+0x3e0/0x3e0
[  509.519428][ T7598]  ? reacquire_held_locks+0x4b0/0x4b0
[  509.524827][ T7598]  ? sigprocmask+0xf1/0x330
[  509.529361][ T7598]  ? do_sigtimedwait+0x5c0/0x5c0
[  509.534337][ T7598]  ? __fget_files+0x272/0x410
[  509.539199][ T7598]  ? bpf_lsm_file_ioctl+0x9/0x10
[  509.544186][ T7598]  ? send_break+0x3e0/0x3e0
[  509.549091][ T7598]  __x64_sys_ioctl+0x18f/0x210
[  509.553906][ T7598]  do_syscall_64+0x38/0xb0
[  509.558447][ T7598]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  509.564374][ T7598] RIP: 0033:0x7fe65e0fd6e9
[  509.568804][ T7598] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  509.588791][ T7598] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  509.597312][ T7598] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  509.605336][ T7598] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  509.613347][ T7598] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  509.622462][ T7598] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  509.630542][ T7598] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  509.638572][ T7598]  </TASK>
[  509.667270][ T7598] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.962397][ T7601] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.995099][ T7601] CPU: 0 PID: 7601 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  510.004816][ T7601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  510.015442][ T7601] Call Trace:
[  510.018992][ T7601]  <TASK>
[  510.022059][ T7601]  dump_stack_lvl+0x125/0x1b0
[  510.026982][ T7601]  sysfs_warn_dup+0x7f/0xa0
[  510.032099][ T7601]  sysfs_create_dir_ns+0x237/0x290
[  510.037272][ T7601]  ? sysfs_create_mount_point+0xb0/0xb0
[  510.042883][ T7601]  ? spin_bug+0x1d0/0x1d0
[  510.047281][ T7601]  ? class_dir_child_ns_type+0xd/0x60
[  510.052714][ T7601]  kobject_add_internal+0x2c8/0x960
[  510.058061][ T7601]  kobject_add+0x154/0x220
[  510.062534][ T7601]  ? kset_create_and_add+0x190/0x190
[  510.067885][ T7601]  ? do_raw_spin_unlock+0x173/0x230
[  510.073231][ T7601]  ? kobject_put+0xbe/0x440
[  510.077797][ T7601]  device_add+0x289/0x1a90
[  510.082590][ T7601]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  510.089602][ T7601]  ? __init_waitqueue_head+0xca/0x150
[  510.095051][ T7601]  tty_register_device_attr+0x382/0x7c0
[  510.100673][ T7601]  ? lockdep_init_map_type+0x16d/0x7c0
[  510.106203][ T7601]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  510.111819][ T7601]  ? lockdep_init_map_type+0x16d/0x7c0
[  510.117441][ T7601]  ? __raw_spin_lock_init+0x3a/0x110
[  510.122805][ T7601]  ? tty_port_init+0x156/0x1b0
[  510.127738][ T7601]  gsm_activate_mux+0x170/0x2f0
[  510.132657][ T7601]  gsmld_ioctl+0x876/0x1510
[  510.137241][ T7601]  ? gsm_dlci_config+0xf00/0xf00
[  510.142282][ T7601]  ? __ldsem_down_read_nested+0xe4/0x910
[  510.148487][ T7601]  ? __ldsem_down_read_nested+0xf4/0x910
[  510.154194][ T7601]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  510.159649][ T7601]  ? vt_waitactive+0x360/0x360
[  510.164487][ T7601]  ? gsm_dlci_config+0xf00/0xf00
[  510.169497][ T7601]  tty_ioctl+0x6f8/0x1550
[  510.174608][ T7601]  ? send_break+0x3e0/0x3e0
[  510.179270][ T7601]  ? reacquire_held_locks+0x4b0/0x4b0
[  510.184793][ T7601]  ? rcu_is_watching+0x12/0xb0
[  510.189719][ T7601]  ? do_one_initcall+0xf0/0x620
[  510.194762][ T7601]  ? __fget_files+0x272/0x410
[  510.199520][ T7601]  ? bpf_lsm_file_ioctl+0x9/0x10
[  510.204521][ T7601]  ? send_break+0x3e0/0x3e0
[  510.209091][ T7601]  __x64_sys_ioctl+0x18f/0x210
[  510.214029][ T7601]  do_syscall_64+0x38/0xb0
[  510.218593][ T7601]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  510.224549][ T7601] RIP: 0033:0x7fe65e0fd6e9
[  510.229033][ T7601] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  510.248782][ T7601] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  510.257508][ T7601] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  510.265631][ T7601] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  510.273738][ T7601] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  510.281754][ T7601] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  510.289786][ T7601] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  510.297868][ T7601]  </TASK>
[  510.306627][ T7601] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.584293][ T7604] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  510.592973][ T7604] CPU: 0 PID: 7604 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  510.602306][ T7604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  510.612403][ T7604] Call Trace:
[  510.615720][ T7604]  <TASK>
[  510.618688][ T7604]  dump_stack_lvl+0x125/0x1b0
[  510.623422][ T7604]  sysfs_warn_dup+0x7f/0xa0
[  510.628149][ T7604]  sysfs_create_dir_ns+0x237/0x290
[  510.633410][ T7604]  ? sysfs_create_mount_point+0xb0/0xb0
[  510.639267][ T7604]  ? spin_bug+0x1d0/0x1d0
[  510.643846][ T7604]  ? class_dir_child_ns_type+0xd/0x60
[  510.649819][ T7604]  kobject_add_internal+0x2c8/0x960
[  510.655265][ T7604]  kobject_add+0x154/0x220
[  510.659733][ T7604]  ? kset_create_and_add+0x190/0x190
[  510.665158][ T7604]  ? do_raw_spin_unlock+0x173/0x230
[  510.670412][ T7604]  ? kobject_put+0xbe/0x440
[  510.674972][ T7604]  device_add+0x289/0x1a90
[  510.679454][ T7604]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  510.686544][ T7604]  ? __init_waitqueue_head+0xca/0x150
[  510.692087][ T7604]  tty_register_device_attr+0x382/0x7c0
[  510.697698][ T7604]  ? lockdep_init_map_type+0x16d/0x7c0
[  510.703223][ T7604]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  510.708837][ T7604]  ? lockdep_init_map_type+0x16d/0x7c0
[  510.714367][ T7604]  ? __raw_spin_lock_init+0x3a/0x110
[  510.719715][ T7604]  ? tty_port_init+0x156/0x1b0
[  510.724534][ T7604]  gsm_activate_mux+0x170/0x2f0
[  510.729451][ T7604]  gsmld_ioctl+0x876/0x1510
[  510.734168][ T7604]  ? gsm_dlci_config+0xf00/0xf00
[  510.739289][ T7604]  ? __ldsem_down_read_nested+0xe4/0x910
[  510.745153][ T7604]  ? __ldsem_down_read_nested+0xf4/0x910
[  510.750852][ T7604]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  510.756308][ T7604]  ? vt_waitactive+0x360/0x360
[  510.761365][ T7604]  ? gsm_dlci_config+0xf00/0xf00
[  510.766456][ T7604]  tty_ioctl+0x6f8/0x1550
[  510.770936][ T7604]  ? send_break+0x3e0/0x3e0
[  510.775503][ T7604]  ? reacquire_held_locks+0x4b0/0x4b0
[  510.781022][ T7604]  ? rcu_is_watching+0x12/0xb0
[  510.786539][ T7604]  ? do_one_initcall+0xf0/0x620
[  510.791547][ T7604]  ? __fget_files+0x272/0x410
[  510.796296][ T7604]  ? bpf_lsm_file_ioctl+0x9/0x10
[  510.801291][ T7604]  ? send_break+0x3e0/0x3e0
[  510.805858][ T7604]  __x64_sys_ioctl+0x18f/0x210
[  510.810689][ T7604]  do_syscall_64+0x38/0xb0
[  510.815268][ T7604]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  510.821226][ T7604] RIP: 0033:0x7fe65e0fd6e9
[  510.825707][ T7604] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  510.845369][ T7604] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  510.854132][ T7604] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  510.862153][ T7604] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  510.870250][ T7604] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  510.878367][ T7604] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  510.886469][ T7604] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  510.894689][ T7604]  </TASK>
[  510.909285][ T7604] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.213698][ T7607] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  511.222823][ T7607] CPU: 1 PID: 7607 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  511.232338][ T7607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  511.242442][ T7607] Call Trace:
[  511.245781][ T7607]  <TASK>
[  511.248747][ T7607]  dump_stack_lvl+0x125/0x1b0
[  511.253688][ T7607]  sysfs_warn_dup+0x7f/0xa0
[  511.258247][ T7607]  sysfs_create_dir_ns+0x237/0x290
[  511.263507][ T7607]  ? sysfs_create_mount_point+0xb0/0xb0
[  511.269193][ T7607]  ? spin_bug+0x1d0/0x1d0
[  511.273696][ T7607]  ? class_dir_child_ns_type+0xd/0x60
[  511.279149][ T7607]  kobject_add_internal+0x2c8/0x960
[  511.284497][ T7607]  kobject_add+0x154/0x220
[  511.289080][ T7607]  ? kset_create_and_add+0x190/0x190
[  511.294687][ T7607]  ? do_raw_spin_unlock+0x173/0x230
[  511.299950][ T7607]  ? kobject_put+0xbe/0x440
[  511.304619][ T7607]  device_add+0x289/0x1a90
[  511.309103][ T7607]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  511.316125][ T7607]  ? __init_waitqueue_head+0xca/0x150
[  511.322622][ T7607]  tty_register_device_attr+0x382/0x7c0
[  511.328335][ T7607]  ? lockdep_init_map_type+0x16d/0x7c0
[  511.333864][ T7607]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  511.339475][ T7607]  ? lockdep_init_map_type+0x16d/0x7c0
[  511.345093][ T7607]  ? __raw_spin_lock_init+0x3a/0x110
[  511.351062][ T7607]  ? tty_port_init+0x156/0x1b0
[  511.355883][ T7607]  gsm_activate_mux+0x170/0x2f0
[  511.360804][ T7607]  gsmld_ioctl+0x876/0x1510
[  511.365530][ T7607]  ? gsm_dlci_config+0xf00/0xf00
[  511.370630][ T7607]  ? __ldsem_down_read_nested+0xe4/0x910
[  511.376332][ T7607]  ? __ldsem_down_read_nested+0xf4/0x910
[  511.382053][ T7607]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  511.387675][ T7607]  ? vt_waitactive+0x360/0x360
[  511.392517][ T7607]  ? gsm_dlci_config+0xf00/0xf00
[  511.397617][ T7607]  tty_ioctl+0x6f8/0x1550
[  511.402189][ T7607]  ? send_break+0x3e0/0x3e0
[  511.406783][ T7607]  ? reacquire_held_locks+0x4b0/0x4b0
[  511.412305][ T7607]  ? rcu_is_watching+0x12/0xb0
[  511.417302][ T7607]  ? do_one_initcall+0xf0/0x620
[  511.422571][ T7607]  ? __fget_files+0x272/0x410
[  511.427409][ T7607]  ? bpf_lsm_file_ioctl+0x9/0x10
[  511.432495][ T7607]  ? send_break+0x3e0/0x3e0
[  511.437068][ T7607]  __x64_sys_ioctl+0x18f/0x210
[  511.441905][ T7607]  do_syscall_64+0x38/0xb0
[  511.446462][ T7607]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  511.452416][ T7607] RIP: 0033:0x7fe65e0fd6e9
[  511.456891][ T7607] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  511.476728][ T7607] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  511.485467][ T7607] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  511.493485][ T7607] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  511.501849][ T7607] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  511.509953][ T7607] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  511.518107][ T7607] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  511.526319][ T7607]  </TASK>
[  511.542850][ T7607] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.841371][ T7610] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  511.866932][ T7610] CPU: 1 PID: 7610 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  511.876381][ T7610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  511.887087][ T7610] Call Trace:
[  511.890405][ T7610]  <TASK>
[  511.893030][ T7611] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  511.893347][ T7610]  dump_stack_lvl+0x125/0x1b0
[  511.906914][ T7610]  sysfs_warn_dup+0x7f/0xa0
[  511.911470][ T7610]  sysfs_create_dir_ns+0x237/0x290
[  511.916720][ T7610]  ? sysfs_create_mount_point+0xb0/0xb0
[  511.922311][ T7610]  ? spin_bug+0x1d0/0x1d0
[  511.926789][ T7610]  ? class_dir_child_ns_type+0xd/0x60
[  511.932225][ T7610]  kobject_add_internal+0x2c8/0x960
[  511.937466][ T7610]  kobject_add+0x154/0x220
[  511.941915][ T7610]  ? kset_create_and_add+0x190/0x190
[  511.947241][ T7610]  ? do_raw_spin_unlock+0x173/0x230
[  511.952485][ T7610]  ? kobject_put+0xbe/0x440
[  511.957034][ T7610]  device_add+0x289/0x1a90
[  511.961575][ T7610]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  511.968640][ T7610]  ? __init_waitqueue_head+0xca/0x150
[  511.974255][ T7610]  tty_register_device_attr+0x382/0x7c0
[  511.980012][ T7610]  ? lockdep_init_map_type+0x16d/0x7c0
[  511.985507][ T7610]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  511.991082][ T7610]  ? lockdep_init_map_type+0x16d/0x7c0
[  511.996586][ T7610]  ? __raw_spin_lock_init+0x3a/0x110
[  512.001936][ T7610]  ? tty_port_init+0x156/0x1b0
[  512.006743][ T7610]  gsm_activate_mux+0x170/0x2f0
[  512.011726][ T7610]  gsmld_ioctl+0x876/0x1510
[  512.016377][ T7610]  ? gsm_dlci_config+0xf00/0xf00
[  512.021358][ T7610]  ? __ldsem_down_read_nested+0xe4/0x910
[  512.027106][ T7610]  ? __ldsem_down_read_nested+0xf4/0x910
[  512.032779][ T7610]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  512.038203][ T7610]  ? vt_waitactive+0x360/0x360
[  512.043026][ T7610]  ? gsm_dlci_config+0xf00/0xf00
[  512.048009][ T7610]  tty_ioctl+0x6f8/0x1550
[  512.052381][ T7610]  ? send_break+0x3e0/0x3e0
[  512.056934][ T7610]  ? reacquire_held_locks+0x4b0/0x4b0
[  512.062345][ T7610]  ? rcu_is_watching+0x12/0xb0
[  512.067310][ T7610]  ? do_one_initcall+0xf0/0x620
[  512.072202][ T7610]  ? __fget_files+0x272/0x410
[  512.077005][ T7610]  ? bpf_lsm_file_ioctl+0x9/0x10
[  512.082064][ T7610]  ? send_break+0x3e0/0x3e0
[  512.086609][ T7610]  __x64_sys_ioctl+0x18f/0x210
[  512.091655][ T7610]  do_syscall_64+0x38/0xb0
[  512.096120][ T7610]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  512.102057][ T7610] RIP: 0033:0x7fe65e0fd6e9
[  512.106510][ T7610] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  512.126512][ T7610] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  512.134980][ T7610] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  512.143090][ T7610] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  512.151541][ T7610] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  512.159903][ T7610] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  512.167928][ T7610] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  512.175968][ T7610]  </TASK>
[  512.189309][ T7611] CPU: 1 PID: 7611 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  512.198585][ T7611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  512.208775][ T7611] Call Trace:
[  512.212095][ T7611]  <TASK>
[  512.215073][ T7611]  dump_stack_lvl+0x125/0x1b0
[  512.219819][ T7611]  sysfs_warn_dup+0x7f/0xa0
[  512.224471][ T7611]  sysfs_create_dir_ns+0x237/0x290
[  512.229690][ T7611]  ? sysfs_create_mount_point+0xb0/0xb0
[  512.235339][ T7611]  ? spin_bug+0x1d0/0x1d0
[  512.239736][ T7611]  ? class_dir_child_ns_type+0xd/0x60
[  512.245164][ T7611]  kobject_add_internal+0x2c8/0x960
[  512.250512][ T7611]  kobject_add+0x154/0x220
[  512.255067][ T7611]  ? kset_create_and_add+0x190/0x190
[  512.260420][ T7611]  ? do_raw_spin_unlock+0x173/0x230
[  512.265878][ T7611]  ? kobject_put+0xbe/0x440
[  512.270443][ T7611]  device_add+0x289/0x1a90
[  512.275016][ T7611]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  512.282006][ T7611]  ? __init_waitqueue_head+0xca/0x150
[  512.287465][ T7611]  tty_register_device_attr+0x382/0x7c0
[  512.293087][ T7611]  ? lockdep_init_map_type+0x16d/0x7c0
[  512.298617][ T7611]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  512.304232][ T7611]  ? lockdep_init_map_type+0x16d/0x7c0
[  512.309851][ T7611]  ? __raw_spin_lock_init+0x3a/0x110
[  512.315207][ T7611]  ? tty_port_init+0x156/0x1b0
[  512.320034][ T7611]  gsm_activate_mux+0x170/0x2f0
[  512.324957][ T7611]  gsmld_ioctl+0x876/0x1510
[  512.329538][ T7611]  ? gsm_dlci_config+0xf00/0xf00
[  512.333623][ T7610] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.334525][ T7611]  ? __ldsem_down_read_nested+0xe4/0x910
[  512.354384][ T7611]  ? __ldsem_down_read_nested+0xf4/0x910
[  512.360068][ T7611]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  512.365499][ T7611]  ? vt_waitactive+0x360/0x360
[  512.370528][ T7611]  ? gsm_dlci_config+0xf00/0xf00
[  512.375501][ T7611]  tty_ioctl+0x6f8/0x1550
[  512.379948][ T7611]  ? send_break+0x3e0/0x3e0
[  512.384460][ T7611]  ? reacquire_held_locks+0x4b0/0x4b0
[  512.389886][ T7611]  ? sigprocmask+0xf1/0x330
[  512.394588][ T7611]  ? do_sigtimedwait+0x5c0/0x5c0
[  512.399576][ T7611]  ? __fget_files+0x272/0x410
[  512.404359][ T7611]  ? bpf_lsm_file_ioctl+0x9/0x10
[  512.409355][ T7611]  ? send_break+0x3e0/0x3e0
[  512.414066][ T7611]  __x64_sys_ioctl+0x18f/0x210
[  512.418859][ T7611]  do_syscall_64+0x38/0xb0
[  512.423402][ T7611]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  512.429328][ T7611] RIP: 0033:0x7fe65e0fd6e9
[  512.433747][ T7611] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  512.453469][ T7611] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  512.461901][ T7611] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  512.469871][ T7611] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  512.478223][ T7611] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  512.486319][ T7611] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  512.494289][ T7611] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  512.502624][ T7611]  </TASK>
[  512.506687][ T7611] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.784328][ T7614] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  512.794236][ T7614] CPU: 1 PID: 7614 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  512.803496][ T7614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  512.813684][ T7614] Call Trace:
[  512.816994][ T7614]  <TASK>
[  512.820049][ T7614]  dump_stack_lvl+0x125/0x1b0
[  512.824911][ T7614]  sysfs_warn_dup+0x7f/0xa0
[  512.829564][ T7614]  sysfs_create_dir_ns+0x237/0x290
[  512.834738][ T7614]  ? sysfs_create_mount_point+0xb0/0xb0
[  512.838605][ T7615] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  512.840307][ T7614]  ? spin_bug+0x1d0/0x1d0
[  512.853166][ T7614]  ? class_dir_child_ns_type+0xd/0x60
[  512.858755][ T7614]  kobject_add_internal+0x2c8/0x960
[  512.864120][ T7614]  kobject_add+0x154/0x220
[  512.868658][ T7614]  ? kset_create_and_add+0x190/0x190
[  512.873978][ T7614]  ? do_raw_spin_unlock+0x173/0x230
[  512.879224][ T7614]  ? kobject_put+0xbe/0x440
[  512.883780][ T7614]  device_add+0x289/0x1a90
[  512.888408][ T7614]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  512.895395][ T7614]  ? __init_waitqueue_head+0xca/0x150
[  512.900894][ T7614]  tty_register_device_attr+0x382/0x7c0
[  512.906612][ T7614]  ? lockdep_init_map_type+0x16d/0x7c0
[  512.912259][ T7614]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  512.918057][ T7614]  ? lockdep_init_map_type+0x16d/0x7c0
[  512.923622][ T7614]  ? __raw_spin_lock_init+0x3a/0x110
[  512.928949][ T7614]  ? tty_port_init+0x156/0x1b0
[  512.933752][ T7614]  gsm_activate_mux+0x170/0x2f0
[  512.938649][ T7614]  gsmld_ioctl+0x876/0x1510
[  512.943201][ T7614]  ? gsm_dlci_config+0xf00/0xf00
[  512.948181][ T7614]  ? __ldsem_down_read_nested+0xe4/0x910
[  512.954198][ T7614]  ? __ldsem_down_read_nested+0xf4/0x910
[  512.960127][ T7614]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  512.965720][ T7614]  ? vt_waitactive+0x360/0x360
[  512.970969][ T7614]  ? gsm_dlci_config+0xf00/0xf00
[  512.975950][ T7614]  tty_ioctl+0x6f8/0x1550
[  512.980492][ T7614]  ? send_break+0x3e0/0x3e0
[  512.985030][ T7614]  ? reacquire_held_locks+0x4b0/0x4b0
[  512.990701][ T7614]  ? rcu_is_watching+0x12/0xb0
[  512.995506][ T7614]  ? do_one_initcall+0xf0/0x620
[  513.000413][ T7614]  ? __fget_files+0x272/0x410
[  513.005146][ T7614]  ? bpf_lsm_file_ioctl+0x9/0x10
[  513.010292][ T7614]  ? send_break+0x3e0/0x3e0
[  513.014932][ T7614]  __x64_sys_ioctl+0x18f/0x210
[  513.019939][ T7614]  do_syscall_64+0x38/0xb0
[  513.024385][ T7614]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  513.030588][ T7614] RIP: 0033:0x7fe65e0fd6e9
[  513.035196][ T7614] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  513.055180][ T7614] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  513.063795][ T7614] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  513.071787][ T7614] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  513.079780][ T7614] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  513.087768][ T7614] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  513.095761][ T7614] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  513.103854][ T7614]  </TASK>
[  513.106886][ T7615] CPU: 0 PID: 7615 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  513.116134][ T7615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  513.126638][ T7615] Call Trace:
[  513.130109][ T7615]  <TASK>
[  513.133086][ T7615]  dump_stack_lvl+0x125/0x1b0
[  513.137879][ T7615]  sysfs_warn_dup+0x7f/0xa0
[  513.142430][ T7615]  sysfs_create_dir_ns+0x237/0x290
[  513.147565][ T7615]  ? sysfs_create_mount_point+0xb0/0xb0
[  513.153140][ T7615]  ? spin_bug+0x1d0/0x1d0
[  513.157504][ T7615]  ? class_dir_child_ns_type+0xd/0x60
[  513.162999][ T7615]  kobject_add_internal+0x2c8/0x960
[  513.168243][ T7615]  kobject_add+0x154/0x220
[  513.172694][ T7615]  ? kset_create_and_add+0x190/0x190
[  513.178105][ T7615]  ? do_raw_spin_unlock+0x173/0x230
[  513.183428][ T7615]  ? kobject_put+0xbe/0x440
[  513.187961][ T7615]  device_add+0x289/0x1a90
[  513.192407][ T7615]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  513.199299][ T7615]  ? __init_waitqueue_head+0xca/0x150
[  513.204874][ T7615]  tty_register_device_attr+0x382/0x7c0
[  513.210619][ T7615]  ? lockdep_init_map_type+0x16d/0x7c0
[  513.216111][ T7615]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  513.222055][ T7615]  ? lockdep_init_map_type+0x16d/0x7c0
[  513.227852][ T7615]  ? __raw_spin_lock_init+0x3a/0x110
[  513.233280][ T7615]  ? tty_port_init+0x156/0x1b0
[  513.238165][ T7615]  gsm_activate_mux+0x170/0x2f0
[  513.243315][ T7615]  gsmld_ioctl+0x876/0x1510
[  513.247859][ T7615]  ? gsm_dlci_config+0xf00/0xf00
[  513.252835][ T7615]  ? __ldsem_down_read_nested+0xe4/0x910
[  513.258492][ T7615]  ? __ldsem_down_read_nested+0xf4/0x910
[  513.264170][ T7615]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  513.269586][ T7615]  ? vt_waitactive+0x360/0x360
[  513.274477][ T7615]  ? gsm_dlci_config+0xf00/0xf00
[  513.279457][ T7615]  tty_ioctl+0x6f8/0x1550
[  513.283824][ T7615]  ? send_break+0x3e0/0x3e0
[  513.288368][ T7615]  ? reacquire_held_locks+0x4b0/0x4b0
[  513.293863][ T7615]  ? sigprocmask+0xf1/0x330
[  513.298615][ T7615]  ? do_sigtimedwait+0x5c0/0x5c0
[  513.303596][ T7615]  ? __fget_files+0x272/0x410
[  513.308323][ T7615]  ? bpf_lsm_file_ioctl+0x9/0x10
[  513.313296][ T7615]  ? send_break+0x3e0/0x3e0
[  513.318014][ T7615]  __x64_sys_ioctl+0x18f/0x210
[  513.322999][ T7615]  do_syscall_64+0x38/0xb0
[  513.327438][ T7615]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  513.333364][ T7615] RIP: 0033:0x7fe65e0fd6e9
[  513.337967][ T7615] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  513.357719][ T7615] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  513.366173][ T7615] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  513.374166][ T7615] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  513.382324][ T7615] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  513.390309][ T7615] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  513.398660][ T7615] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  513.406859][ T7615]  </TASK>
[  513.411231][ T7614] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.475591][ T7615] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.858421][ T7618] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  513.879590][ T7618] CPU: 1 PID: 7618 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  513.888952][ T7618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  513.899062][ T7618] Call Trace:
[  513.902645][ T7618]  <TASK>
[  513.905697][ T7618]  dump_stack_lvl+0x125/0x1b0
[  513.910428][ T7618]  sysfs_warn_dup+0x7f/0xa0
[  513.915001][ T7618]  sysfs_create_dir_ns+0x237/0x290
[  513.920185][ T7618]  ? sysfs_create_mount_point+0xb0/0xb0
[  513.925824][ T7618]  ? spin_bug+0x1d0/0x1d0
[  513.930224][ T7618]  ? class_dir_child_ns_type+0xd/0x60
[  513.935764][ T7618]  kobject_add_internal+0x2c8/0x960
[  513.941035][ T7618]  kobject_add+0x154/0x220
[  513.945514][ T7618]  ? kset_create_and_add+0x190/0x190
[  513.950866][ T7618]  ? do_raw_spin_unlock+0x173/0x230
[  513.956137][ T7618]  ? kobject_put+0xbe/0x440
[  513.960722][ T7618]  device_add+0x289/0x1a90
[  513.965211][ T7618]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  513.972227][ T7618]  ? __init_waitqueue_head+0xca/0x150
[  513.977665][ T7618]  tty_register_device_attr+0x382/0x7c0
[  513.983280][ T7618]  ? lockdep_init_map_type+0x16d/0x7c0
[  513.988810][ T7618]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  513.994423][ T7618]  ? lockdep_init_map_type+0x16d/0x7c0
[  514.000216][ T7618]  ? __raw_spin_lock_init+0x3a/0x110
[  514.005758][ T7618]  ? tty_port_init+0x156/0x1b0
[  514.010577][ T7618]  gsm_activate_mux+0x170/0x2f0
[  514.015597][ T7618]  gsmld_ioctl+0x876/0x1510
[  514.020526][ T7618]  ? gsm_dlci_config+0xf00/0xf00
[  514.025620][ T7618]  ? __ldsem_down_read_nested+0xe4/0x910
[  514.031485][ T7618]  ? __ldsem_down_read_nested+0xf4/0x910
[  514.037282][ T7618]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  514.042733][ T7618]  ? vt_waitactive+0x360/0x360
[  514.048967][ T7618]  ? gsm_dlci_config+0xf00/0xf00
[  514.054066][ T7618]  tty_ioctl+0x6f8/0x1550
[  514.058458][ T7618]  ? send_break+0x3e0/0x3e0
[  514.063035][ T7618]  ? reacquire_held_locks+0x4b0/0x4b0
[  514.068467][ T7618]  ? rcu_is_watching+0x12/0xb0
[  514.073370][ T7618]  ? do_one_initcall+0xf0/0x620
[  514.078634][ T7618]  ? __fget_files+0x272/0x410
[  514.083464][ T7618]  ? bpf_lsm_file_ioctl+0x9/0x10
[  514.088719][ T7618]  ? send_break+0x3e0/0x3e0
[  514.093292][ T7618]  __x64_sys_ioctl+0x18f/0x210
[  514.098203][ T7618]  do_syscall_64+0x38/0xb0
[  514.102676][ T7618]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  514.108734][ T7618] RIP: 0033:0x7fe65e0fd6e9
[  514.113278][ T7618] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  514.133204][ T7618] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  514.141757][ T7618] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  514.149831][ T7618] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  514.158125][ T7618] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  514.166152][ T7618] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  514.174262][ T7618] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  514.182572][ T7618]  </TASK>
[  514.195403][ T7618] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.490324][ T7621] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.515603][ T7621] CPU: 0 PID: 7621 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  514.524986][ T7621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  514.535347][ T7621] Call Trace:
[  514.538664][ T7621]  <TASK>
[  514.541894][ T7621]  dump_stack_lvl+0x125/0x1b0
[  514.546981][ T7621]  sysfs_warn_dup+0x7f/0xa0
[  514.551632][ T7621]  sysfs_create_dir_ns+0x237/0x290
[  514.556804][ T7621]  ? sysfs_create_mount_point+0xb0/0xb0
[  514.562491][ T7621]  ? spin_bug+0x1d0/0x1d0
[  514.566959][ T7621]  ? class_dir_child_ns_type+0xd/0x60
[  514.572390][ T7621]  kobject_add_internal+0x2c8/0x960
[  514.577655][ T7621]  kobject_add+0x154/0x220
[  514.582169][ T7621]  ? kset_create_and_add+0x190/0x190
[  514.587603][ T7621]  ? do_raw_spin_unlock+0x173/0x230
[  514.592871][ T7621]  ? kobject_put+0xbe/0x440
[  514.597535][ T7621]  device_add+0x289/0x1a90
[  514.602280][ T7621]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  514.609197][ T7621]  ? __init_waitqueue_head+0xca/0x150
[  514.614985][ T7621]  tty_register_device_attr+0x382/0x7c0
[  514.620604][ T7621]  ? lockdep_init_map_type+0x16d/0x7c0
[  514.626306][ T7621]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  514.632006][ T7621]  ? lockdep_init_map_type+0x16d/0x7c0
[  514.637708][ T7621]  ? __raw_spin_lock_init+0x3a/0x110
[  514.643083][ T7621]  ? tty_port_init+0x156/0x1b0
[  514.647908][ T7621]  gsm_activate_mux+0x170/0x2f0
[  514.652829][ T7621]  gsmld_ioctl+0x876/0x1510
[  514.657411][ T7621]  ? gsm_dlci_config+0xf00/0xf00
[  514.662504][ T7621]  ? __ldsem_down_read_nested+0xe4/0x910
[  514.668196][ T7621]  ? __ldsem_down_read_nested+0xf4/0x910
[  514.674074][ T7621]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  514.679523][ T7621]  ? vt_waitactive+0x360/0x360
[  514.684367][ T7621]  ? gsm_dlci_config+0xf00/0xf00
[  514.689374][ T7621]  tty_ioctl+0x6f8/0x1550
[  514.693840][ T7621]  ? send_break+0x3e0/0x3e0
[  514.698412][ T7621]  ? reacquire_held_locks+0x4b0/0x4b0
[  514.703846][ T7621]  ? rcu_is_watching+0x12/0xb0
[  514.708786][ T7621]  ? do_one_initcall+0xf0/0x620
[  514.713704][ T7621]  ? __fget_files+0x272/0x410
[  514.718457][ T7621]  ? bpf_lsm_file_ioctl+0x9/0x10
[  514.723542][ T7621]  ? send_break+0x3e0/0x3e0
[  514.728109][ T7621]  __x64_sys_ioctl+0x18f/0x210
[  514.732952][ T7621]  do_syscall_64+0x38/0xb0
[  514.737425][ T7621]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  514.743383][ T7621] RIP: 0033:0x7fe65e0fd6e9
[  514.747840][ T7621] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  514.768111][ T7621] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  514.776760][ T7621] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  514.784865][ T7621] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  514.793056][ T7621] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  514.801366][ T7621] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  514.809407][ T7621] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  514.817451][ T7621]  </TASK>
[  514.822853][ T7621] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.113350][ T7625] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  515.130843][ T7625] CPU: 0 PID: 7625 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  515.140209][ T7625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  515.150564][ T7625] Call Trace:
[  515.153885][ T7625]  <TASK>
[  515.156943][ T7625]  dump_stack_lvl+0x125/0x1b0
[  515.161670][ T7625]  sysfs_warn_dup+0x7f/0xa0
[  515.166227][ T7625]  sysfs_create_dir_ns+0x237/0x290
[  515.171395][ T7625]  ? sysfs_create_mount_point+0xb0/0xb0
[  515.176996][ T7625]  ? spin_bug+0x1d0/0x1d0
[  515.181393][ T7625]  ? class_dir_child_ns_type+0xd/0x60
[  515.187164][ T7625]  kobject_add_internal+0x2c8/0x960
[  515.192514][ T7625]  kobject_add+0x154/0x220
[  515.196997][ T7625]  ? kset_create_and_add+0x190/0x190
[  515.202353][ T7625]  ? do_raw_spin_unlock+0x173/0x230
[  515.207623][ T7625]  ? kobject_put+0xbe/0x440
[  515.212209][ T7625]  device_add+0x289/0x1a90
[  515.216703][ T7625]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  515.223723][ T7625]  ? __init_waitqueue_head+0xca/0x150
[  515.229343][ T7625]  tty_register_device_attr+0x382/0x7c0
[  515.235052][ T7625]  ? lockdep_init_map_type+0x16d/0x7c0
[  515.240667][ T7625]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  515.246316][ T7625]  ? lockdep_init_map_type+0x16d/0x7c0
[  515.252189][ T7625]  ? __raw_spin_lock_init+0x3a/0x110
[  515.257632][ T7625]  ? tty_port_init+0x156/0x1b0
[  515.262537][ T7625]  gsm_activate_mux+0x170/0x2f0
[  515.267461][ T7625]  gsmld_ioctl+0x876/0x1510
[  515.272134][ T7625]  ? gsm_dlci_config+0xf00/0xf00
[  515.277318][ T7625]  ? __ldsem_down_read_nested+0xe4/0x910
[  515.283003][ T7625]  ? __ldsem_down_read_nested+0xf4/0x910
[  515.288698][ T7625]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  515.294138][ T7625]  ? vt_waitactive+0x360/0x360
[  515.298976][ T7625]  ? gsm_dlci_config+0xf00/0xf00
[  515.304238][ T7625]  tty_ioctl+0x6f8/0x1550
[  515.308756][ T7625]  ? send_break+0x3e0/0x3e0
[  515.313347][ T7625]  ? reacquire_held_locks+0x4b0/0x4b0
[  515.318880][ T7625]  ? rcu_is_watching+0x12/0xb0
[  515.323883][ T7625]  ? do_one_initcall+0xf0/0x620
[  515.328856][ T7625]  ? __fget_files+0x272/0x410
[  515.334128][ T7625]  ? bpf_lsm_file_ioctl+0x9/0x10
[  515.339129][ T7625]  ? send_break+0x3e0/0x3e0
[  515.343693][ T7625]  __x64_sys_ioctl+0x18f/0x210
[  515.348530][ T7625]  do_syscall_64+0x38/0xb0
[  515.353006][ T7625]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  515.359143][ T7625] RIP: 0033:0x7fe65e0fd6e9
[  515.363599][ T7625] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  515.383424][ T7625] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  515.392075][ T7625] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  515.400094][ T7625] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  515.408193][ T7625] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  515.416210][ T7625] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  515.424485][ T7625] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  515.432521][ T7625]  </TASK>
[  515.443359][ T7625] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.727806][ T7628] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  515.738235][ T7628] CPU: 1 PID: 7628 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  515.747491][ T7628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  515.757566][ T7628] Call Trace:
[  515.760874][ T7628]  <TASK>
[  515.763843][ T7628]  dump_stack_lvl+0x125/0x1b0
[  515.768563][ T7628]  sysfs_warn_dup+0x7f/0xa0
[  515.773622][ T7628]  sysfs_create_dir_ns+0x237/0x290
[  515.778766][ T7628]  ? sysfs_create_mount_point+0xb0/0xb0
[  515.784421][ T7628]  ? spin_bug+0x1d0/0x1d0
[  515.788783][ T7628]  ? class_dir_child_ns_type+0xd/0x60
[  515.794260][ T7628]  kobject_add_internal+0x2c8/0x960
[  515.799581][ T7628]  kobject_add+0x154/0x220
[  515.804016][ T7628]  ? kset_create_and_add+0x190/0x190
[  515.809500][ T7628]  ? do_raw_spin_unlock+0x173/0x230
[  515.815078][ T7628]  ? kobject_put+0xbe/0x440
[  515.819616][ T7628]  device_add+0x289/0x1a90
[  515.824069][ T7628]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  515.830949][ T7628]  ? __init_waitqueue_head+0xca/0x150
[  515.836352][ T7628]  tty_register_device_attr+0x382/0x7c0
[  515.841927][ T7628]  ? lockdep_init_map_type+0x16d/0x7c0
[  515.847505][ T7628]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  515.853425][ T7628]  ? lockdep_init_map_type+0x16d/0x7c0
[  515.858935][ T7628]  ? __raw_spin_lock_init+0x3a/0x110
[  515.864285][ T7628]  ? tty_port_init+0x156/0x1b0
[  515.869184][ T7628]  gsm_activate_mux+0x170/0x2f0
[  515.874176][ T7628]  gsmld_ioctl+0x876/0x1510
[  515.878721][ T7628]  ? gsm_dlci_config+0xf00/0xf00
[  515.883847][ T7628]  ? __ldsem_down_read_nested+0xe4/0x910
[  515.889588][ T7628]  ? __ldsem_down_read_nested+0xf4/0x910
[  515.895261][ T7628]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  515.900845][ T7628]  ? vt_waitactive+0x360/0x360
[  515.905651][ T7628]  ? gsm_dlci_config+0xf00/0xf00
[  515.910616][ T7628]  tty_ioctl+0x6f8/0x1550
[  515.915007][ T7628]  ? send_break+0x3e0/0x3e0
[  515.919546][ T7628]  ? reacquire_held_locks+0x4b0/0x4b0
[  515.924951][ T7628]  ? rcu_is_watching+0x12/0xb0
[  515.929758][ T7628]  ? do_one_initcall+0xf0/0x620
[  515.934761][ T7628]  ? __fget_files+0x272/0x410
[  515.939529][ T7628]  ? bpf_lsm_file_ioctl+0x9/0x10
[  515.944501][ T7628]  ? send_break+0x3e0/0x3e0
[  515.949121][ T7628]  __x64_sys_ioctl+0x18f/0x210
[  515.954096][ T7628]  do_syscall_64+0x38/0xb0
[  515.958714][ T7628]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  515.964803][ T7628] RIP: 0033:0x7fe65e0fd6e9
[  515.969321][ T7628] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  515.989223][ T7628] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  515.997747][ T7628] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  516.005819][ T7628] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  516.013805][ T7628] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  516.021818][ T7628] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  516.029813][ T7628] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  516.038090][ T7628]  </TASK>
[  516.075056][ T7628] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.089389][ T7629] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  516.102083][ T7629] CPU: 0 PID: 7629 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  516.111363][ T7629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  516.121558][ T7629] Call Trace:
[  516.124963][ T7629]  <TASK>
[  516.127941][ T7629]  dump_stack_lvl+0x125/0x1b0
[  516.132678][ T7629]  sysfs_warn_dup+0x7f/0xa0
[  516.137242][ T7629]  sysfs_create_dir_ns+0x237/0x290
[  516.142419][ T7629]  ? sysfs_create_mount_point+0xb0/0xb0
[  516.148106][ T7629]  ? spin_bug+0x1d0/0x1d0
[  516.152516][ T7629]  ? class_dir_child_ns_type+0xd/0x60
[  516.157942][ T7629]  kobject_add_internal+0x2c8/0x960
[  516.163392][ T7629]  kobject_add+0x154/0x220
[  516.167873][ T7629]  ? kset_create_and_add+0x190/0x190
[  516.173494][ T7629]  ? do_raw_spin_unlock+0x173/0x230
[  516.178764][ T7629]  ? kobject_put+0xbe/0x440
[  516.183347][ T7629]  device_add+0x289/0x1a90
[  516.187838][ T7629]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  516.194961][ T7629]  ? __init_waitqueue_head+0xca/0x150
[  516.200406][ T7629]  tty_register_device_attr+0x382/0x7c0
[  516.206113][ T7629]  ? lockdep_init_map_type+0x16d/0x7c0
[  516.211650][ T7629]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  516.217259][ T7629]  ? lockdep_init_map_type+0x16d/0x7c0
[  516.222788][ T7629]  ? __raw_spin_lock_init+0x3a/0x110
[  516.228158][ T7629]  ? tty_port_init+0x156/0x1b0
[  516.232987][ T7629]  gsm_activate_mux+0x170/0x2f0
[  516.238006][ T7629]  gsmld_ioctl+0x876/0x1510
[  516.242681][ T7629]  ? gsm_dlci_config+0xf00/0xf00
[  516.247800][ T7629]  ? __ldsem_down_read_nested+0xe4/0x910
[  516.253503][ T7629]  ? __ldsem_down_read_nested+0xf4/0x910
[  516.259215][ T7629]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  516.264666][ T7629]  ? vt_waitactive+0x360/0x360
[  516.269523][ T7629]  ? gsm_dlci_config+0xf00/0xf00
[  516.274618][ T7629]  tty_ioctl+0x6f8/0x1550
[  516.279022][ T7629]  ? send_break+0x3e0/0x3e0
[  516.283599][ T7629]  ? reacquire_held_locks+0x4b0/0x4b0
[  516.289046][ T7629]  ? sigprocmask+0xf1/0x330
[  516.293616][ T7629]  ? do_sigtimedwait+0x5c0/0x5c0
[  516.298630][ T7629]  ? __fget_files+0x272/0x410
[  516.303378][ T7629]  ? bpf_lsm_file_ioctl+0x9/0x10
[  516.308467][ T7629]  ? send_break+0x3e0/0x3e0
[  516.313034][ T7629]  __x64_sys_ioctl+0x18f/0x210
[  516.317964][ T7629]  do_syscall_64+0x38/0xb0
[  516.322439][ T7629]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  516.328399][ T7629] RIP: 0033:0x7fe65e0fd6e9
[  516.332949][ T7629] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  516.352710][ T7629] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  516.361178][ T7629] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  516.369201][ T7629] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  516.377406][ T7629] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  516.385513][ T7629] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  516.393540][ T7629] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  516.401639][ T7629]  </TASK>
[  516.405544][ T7629] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.691496][ T7632] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  516.709083][ T7632] CPU: 0 PID: 7632 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  516.718365][ T7632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  516.728545][ T7632] Call Trace:
[  516.731870][ T7632]  <TASK>
[  516.734840][ T7632]  dump_stack_lvl+0x125/0x1b0
[  516.739583][ T7632]  sysfs_warn_dup+0x7f/0xa0
[  516.744149][ T7632]  sysfs_create_dir_ns+0x237/0x290
[  516.749315][ T7632]  ? sysfs_create_mount_point+0xb0/0xb0
[  516.754925][ T7632]  ? spin_bug+0x1d0/0x1d0
[  516.759321][ T7632]  ? class_dir_child_ns_type+0xd/0x60
[  516.764912][ T7632]  kobject_add_internal+0x2c8/0x960
[  516.770186][ T7632]  kobject_add+0x154/0x220
[  516.774743][ T7632]  ? kset_create_and_add+0x190/0x190
[  516.780076][ T7632]  ? do_raw_spin_unlock+0x173/0x230
[  516.785311][ T7632]  ? kobject_put+0xbe/0x440
[  516.789855][ T7632]  device_add+0x289/0x1a90
[  516.794306][ T7632]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  516.801272][ T7632]  ? __init_waitqueue_head+0xca/0x150
[  516.806764][ T7632]  tty_register_device_attr+0x382/0x7c0
[  516.812342][ T7632]  ? lockdep_init_map_type+0x16d/0x7c0
[  516.818115][ T7632]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  516.823857][ T7632]  ? lockdep_init_map_type+0x16d/0x7c0
[  516.829354][ T7632]  ? __raw_spin_lock_init+0x3a/0x110
[  516.834756][ T7632]  ? tty_port_init+0x156/0x1b0
[  516.839543][ T7632]  gsm_activate_mux+0x170/0x2f0
[  516.844515][ T7632]  gsmld_ioctl+0x876/0x1510
[  516.849065][ T7632]  ? gsm_dlci_config+0xf00/0xf00
[  516.854036][ T7632]  ? __ldsem_down_read_nested+0xe4/0x910
[  516.859949][ T7632]  ? __ldsem_down_read_nested+0xf4/0x910
[  516.865717][ T7632]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  516.871125][ T7632]  ? vt_waitactive+0x360/0x360
[  516.875926][ T7632]  ? gsm_dlci_config+0xf00/0xf00
[  516.880979][ T7632]  tty_ioctl+0x6f8/0x1550
[  516.885343][ T7632]  ? send_break+0x3e0/0x3e0
[  516.889963][ T7632]  ? reacquire_held_locks+0x4b0/0x4b0
[  516.895364][ T7632]  ? rcu_is_watching+0x12/0xb0
[  516.900238][ T7632]  ? do_one_initcall+0xf0/0x620
[  516.905124][ T7632]  ? __fget_files+0x272/0x410
[  516.909938][ T7632]  ? bpf_lsm_file_ioctl+0x9/0x10
[  516.914981][ T7632]  ? send_break+0x3e0/0x3e0
[  516.919617][ T7632]  __x64_sys_ioctl+0x18f/0x210
[  516.924529][ T7632]  do_syscall_64+0x38/0xb0
[  516.929008][ T7632]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  516.935202][ T7632] RIP: 0033:0x7fe65e0fd6e9
[  516.939913][ T7632] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  516.960515][ T7632] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  516.969256][ T7632] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  516.977516][ T7632] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  516.985880][ T7632] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  516.993969][ T7632] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  517.001959][ T7632] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  517.010313][ T7632]  </TASK>
[  517.046574][ T7633] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  517.060255][ T7633] CPU: 0 PID: 7633 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  517.069891][ T7633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  517.070809][ T7632] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.079969][ T7633] Call Trace:
[  517.079983][ T7633]  <TASK>
[  517.079994][ T7633]  dump_stack_lvl+0x125/0x1b0
[  517.080031][ T7633]  sysfs_warn_dup+0x7f/0xa0
[  517.109538][ T7633]  sysfs_create_dir_ns+0x237/0x290
[  517.114802][ T7633]  ? sysfs_create_mount_point+0xb0/0xb0
[  517.120493][ T7633]  ? spin_bug+0x1d0/0x1d0
[  517.124900][ T7633]  ? class_dir_child_ns_type+0xd/0x60
[  517.130335][ T7633]  kobject_add_internal+0x2c8/0x960
[  517.135948][ T7633]  kobject_add+0x154/0x220
[  517.140687][ T7633]  ? kset_create_and_add+0x190/0x190
[  517.146076][ T7633]  ? do_raw_spin_unlock+0x173/0x230
[  517.151532][ T7633]  ? kobject_put+0xbe/0x440
[  517.156109][ T7633]  device_add+0x289/0x1a90
[  517.160700][ T7633]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  517.167884][ T7633]  ? __init_waitqueue_head+0xca/0x150
[  517.173767][ T7633]  tty_register_device_attr+0x382/0x7c0
[  517.179386][ T7633]  ? lockdep_init_map_type+0x16d/0x7c0
[  517.184928][ T7633]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  517.190549][ T7633]  ? lockdep_init_map_type+0x16d/0x7c0
[  517.196094][ T7633]  ? __raw_spin_lock_init+0x3a/0x110
[  517.202148][ T7633]  ? tty_port_init+0x156/0x1b0
[  517.207069][ T7633]  gsm_activate_mux+0x170/0x2f0
[  517.211994][ T7633]  gsmld_ioctl+0x876/0x1510
[  517.216575][ T7633]  ? gsm_dlci_config+0xf00/0xf00
[  517.221595][ T7633]  ? __ldsem_down_read_nested+0xe4/0x910
[  517.227296][ T7633]  ? __ldsem_down_read_nested+0xf4/0x910
[  517.232998][ T7633]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  517.238444][ T7633]  ? vt_waitactive+0x360/0x360
[  517.243312][ T7633]  ? gsm_dlci_config+0xf00/0xf00
[  517.248324][ T7633]  tty_ioctl+0x6f8/0x1550
[  517.252733][ T7633]  ? send_break+0x3e0/0x3e0
[  517.258091][ T7633]  ? reacquire_held_locks+0x4b0/0x4b0
[  517.263670][ T7633]  ? sigprocmask+0xf1/0x330
[  517.268328][ T7633]  ? do_sigtimedwait+0x5c0/0x5c0
[  517.273345][ T7633]  ? __fget_files+0x272/0x410
[  517.278108][ T7633]  ? bpf_lsm_file_ioctl+0x9/0x10
[  517.283155][ T7633]  ? send_break+0x3e0/0x3e0
[  517.289209][ T7633]  __x64_sys_ioctl+0x18f/0x210
[  517.294042][ T7633]  do_syscall_64+0x38/0xb0
[  517.298601][ T7633]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  517.304561][ T7633] RIP: 0033:0x7fe65e0fd6e9
[  517.309012][ T7633] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  517.328847][ T7633] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  517.337277][ T7633] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  517.345403][ T7633] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  517.353381][ T7633] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  517.361540][ T7633] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  517.369527][ T7633] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  517.377540][ T7633]  </TASK>
[  517.383097][ T7633] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.655442][ T7636] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  517.683385][ T7636] CPU: 0 PID: 7636 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  517.693011][ T7636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  517.703107][ T7636] Call Trace:
[  517.706509][ T7636]  <TASK>
[  517.709661][ T7636]  dump_stack_lvl+0x125/0x1b0
[  517.714480][ T7636]  sysfs_warn_dup+0x7f/0xa0
[  517.719048][ T7636]  sysfs_create_dir_ns+0x237/0x290
[  517.724386][ T7636]  ? sysfs_create_mount_point+0xb0/0xb0
[  517.729994][ T7636]  ? spin_bug+0x1d0/0x1d0
[  517.734441][ T7636]  ? class_dir_child_ns_type+0xd/0x60
[  517.739877][ T7636]  kobject_add_internal+0x2c8/0x960
[  517.745145][ T7636]  kobject_add+0x154/0x220
[  517.749629][ T7636]  ? kset_create_and_add+0x190/0x190
[  517.754981][ T7636]  ? do_raw_spin_unlock+0x173/0x230
[  517.760400][ T7636]  ? kobject_put+0xbe/0x440
[  517.764959][ T7636]  device_add+0x289/0x1a90
[  517.769441][ T7636]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  517.776448][ T7636]  ? __init_waitqueue_head+0xca/0x150
[  517.781896][ T7636]  tty_register_device_attr+0x382/0x7c0
[  517.787515][ T7636]  ? lockdep_init_map_type+0x16d/0x7c0
[  517.793052][ T7636]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  517.798748][ T7636]  ? lockdep_init_map_type+0x16d/0x7c0
[  517.804367][ T7636]  ? __raw_spin_lock_init+0x3a/0x110
[  517.809902][ T7636]  ? tty_port_init+0x156/0x1b0
[  517.814733][ T7636]  gsm_activate_mux+0x170/0x2f0
[  517.819833][ T7636]  gsmld_ioctl+0x876/0x1510
[  517.824442][ T7636]  ? gsm_dlci_config+0xf00/0xf00
[  517.829992][ T7636]  ? __ldsem_down_read_nested+0xe4/0x910
[  517.835856][ T7636]  ? __ldsem_down_read_nested+0xf4/0x910
[  517.841652][ T7636]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  517.847098][ T7636]  ? vt_waitactive+0x360/0x360
[  517.851946][ T7636]  ? gsm_dlci_config+0xf00/0xf00
[  517.856943][ T7636]  tty_ioctl+0x6f8/0x1550
[  517.861424][ T7636]  ? send_break+0x3e0/0x3e0
[  517.866172][ T7636]  ? reacquire_held_locks+0x4b0/0x4b0
[  517.871705][ T7636]  ? rcu_is_watching+0x12/0xb0
[  517.876637][ T7636]  ? do_one_initcall+0xf0/0x620
[  517.881561][ T7636]  ? __fget_files+0x272/0x410
[  517.886480][ T7636]  ? bpf_lsm_file_ioctl+0x9/0x10
[  517.891613][ T7636]  ? send_break+0x3e0/0x3e0
[  517.896184][ T7636]  __x64_sys_ioctl+0x18f/0x210
[  517.901018][ T7636]  do_syscall_64+0x38/0xb0
[  517.906006][ T7636]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  517.911957][ T7636] RIP: 0033:0x7fe65e0fd6e9
[  517.916499][ T7636] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  517.937119][ T7636] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  517.945588][ T7636] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  517.953610][ T7636] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  517.961633][ T7636] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  517.969732][ T7636] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  517.978011][ T7636] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  517.986396][ T7636]  </TASK>
[  517.998364][ T7636] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.355934][ T7639] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  518.384644][ T7639] CPU: 0 PID: 7639 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  518.394022][ T7639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  518.404298][ T7639] Call Trace:
[  518.407036][ T7640] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  518.407584][ T7639]  <TASK>
[  518.407598][ T7639]  dump_stack_lvl+0x125/0x1b0
[  518.424177][ T7639]  sysfs_warn_dup+0x7f/0xa0
[  518.428906][ T7639]  sysfs_create_dir_ns+0x237/0x290
[  518.434063][ T7639]  ? sysfs_create_mount_point+0xb0/0xb0
[  518.439701][ T7639]  ? spin_bug+0x1d0/0x1d0
[  518.444176][ T7639]  ? class_dir_child_ns_type+0xd/0x60
[  518.449578][ T7639]  kobject_add_internal+0x2c8/0x960
[  518.454905][ T7639]  kobject_add+0x154/0x220
[  518.459355][ T7639]  ? kset_create_and_add+0x190/0x190
[  518.464751][ T7639]  ? do_raw_spin_unlock+0x173/0x230
[  518.470067][ T7639]  ? kobject_put+0xbe/0x440
[  518.474603][ T7639]  device_add+0x289/0x1a90
[  518.479137][ T7639]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  518.486028][ T7639]  ? __init_waitqueue_head+0xca/0x150
[  518.491605][ T7639]  tty_register_device_attr+0x382/0x7c0
[  518.497267][ T7639]  ? lockdep_init_map_type+0x16d/0x7c0
[  518.502750][ T7639]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  518.508320][ T7639]  ? lockdep_init_map_type+0x16d/0x7c0
[  518.513895][ T7639]  ? __raw_spin_lock_init+0x3a/0x110
[  518.519293][ T7639]  ? tty_port_init+0x156/0x1b0
[  518.524108][ T7639]  gsm_activate_mux+0x170/0x2f0
[  518.528988][ T7639]  gsmld_ioctl+0x876/0x1510
[  518.533534][ T7639]  ? gsm_dlci_config+0xf00/0xf00
[  518.538681][ T7639]  ? __ldsem_down_read_nested+0xe4/0x910
[  518.544604][ T7639]  ? __ldsem_down_read_nested+0xf4/0x910
[  518.550263][ T7639]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  518.555669][ T7639]  ? vt_waitactive+0x360/0x360
[  518.560470][ T7639]  ? gsm_dlci_config+0xf00/0xf00
[  518.565699][ T7639]  tty_ioctl+0x6f8/0x1550
[  518.570143][ T7639]  ? send_break+0x3e0/0x3e0
[  518.574766][ T7639]  ? reacquire_held_locks+0x4b0/0x4b0
[  518.580161][ T7639]  ? rcu_is_watching+0x12/0xb0
[  518.584959][ T7639]  ? do_one_initcall+0xf0/0x620
[  518.589863][ T7639]  ? __fget_files+0x272/0x410
[  518.594574][ T7639]  ? bpf_lsm_file_ioctl+0x9/0x10
[  518.599635][ T7639]  ? send_break+0x3e0/0x3e0
[  518.604167][ T7639]  __x64_sys_ioctl+0x18f/0x210
[  518.609048][ T7639]  do_syscall_64+0x38/0xb0
[  518.613572][ T7639]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  518.619603][ T7639] RIP: 0033:0x7fe65e0fd6e9
[  518.624304][ T7639] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  518.644191][ T7639] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  518.652860][ T7639] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  518.660934][ T7639] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  518.669019][ T7639] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  518.677089][ T7639] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  518.685429][ T7639] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  518.693429][ T7639]  </TASK>
[  518.700041][ T7639] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.725162][ T7640] CPU: 1 PID: 7640 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  518.734689][ T7640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  518.744765][ T7640] Call Trace:
[  518.748320][ T7640]  <TASK>
[  518.751363][ T7640]  dump_stack_lvl+0x125/0x1b0
[  518.756095][ T7640]  sysfs_warn_dup+0x7f/0xa0
[  518.760816][ T7640]  sysfs_create_dir_ns+0x237/0x290
[  518.766131][ T7640]  ? sysfs_create_mount_point+0xb0/0xb0
[  518.772160][ T7640]  ? spin_bug+0x1d0/0x1d0
[  518.776721][ T7640]  ? class_dir_child_ns_type+0xd/0x60
[  518.782217][ T7640]  kobject_add_internal+0x2c8/0x960
[  518.787557][ T7640]  kobject_add+0x154/0x220
[  518.792007][ T7640]  ? kset_create_and_add+0x190/0x190
[  518.797365][ T7640]  ? do_raw_spin_unlock+0x173/0x230
[  518.802627][ T7640]  ? kobject_put+0xbe/0x440
[  518.807292][ T7640]  device_add+0x289/0x1a90
[  518.811781][ T7640]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  518.818874][ T7640]  ? __init_waitqueue_head+0xca/0x150
[  518.824337][ T7640]  tty_register_device_attr+0x382/0x7c0
[  518.830475][ T7640]  ? lockdep_init_map_type+0x16d/0x7c0
[  518.836114][ T7640]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  518.841821][ T7640]  ? lockdep_init_map_type+0x16d/0x7c0
[  518.847358][ T7640]  ? __raw_spin_lock_init+0x3a/0x110
[  518.852709][ T7640]  ? tty_port_init+0x156/0x1b0
[  518.857622][ T7640]  gsm_activate_mux+0x170/0x2f0
[  518.862541][ T7640]  gsmld_ioctl+0x876/0x1510
[  518.867204][ T7640]  ? gsm_dlci_config+0xf00/0xf00
[  518.872200][ T7640]  ? __ldsem_down_read_nested+0xe4/0x910
[  518.877883][ T7640]  ? __ldsem_down_read_nested+0xf4/0x910
[  518.883944][ T7640]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  518.889491][ T7640]  ? vt_waitactive+0x360/0x360
[  518.894417][ T7640]  ? gsm_dlci_config+0xf00/0xf00
[  518.899427][ T7640]  tty_ioctl+0x6f8/0x1550
[  518.903830][ T7640]  ? send_break+0x3e0/0x3e0
[  518.908580][ T7640]  ? reacquire_held_locks+0x4b0/0x4b0
[  518.914024][ T7640]  ? sigprocmask+0xf1/0x330
[  518.918670][ T7640]  ? do_sigtimedwait+0x5c0/0x5c0
[  518.924531][ T7640]  ? __fget_files+0x272/0x410
[  518.930093][ T7640]  ? bpf_lsm_file_ioctl+0x9/0x10
[  518.935087][ T7640]  ? send_break+0x3e0/0x3e0
[  518.939670][ T7640]  __x64_sys_ioctl+0x18f/0x210
[  518.944493][ T7640]  do_syscall_64+0x38/0xb0
[  518.948959][ T7640]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  518.954917][ T7640] RIP: 0033:0x7fe65e0fd6e9
[  518.959374][ T7640] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  518.979031][ T7640] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  518.987499][ T7640] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  518.995617][ T7640] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  519.003896][ T7640] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  519.012089][ T7640] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  519.020109][ T7640] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  519.028244][ T7640]  </TASK>
[  519.055773][ T7640] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.414467][ T7643] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.442465][ T7643] CPU: 1 PID: 7643 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  519.451756][ T7643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  519.461945][ T7643] Call Trace:
[  519.465259][ T7643]  <TASK>
[  519.468215][ T7643]  dump_stack_lvl+0x125/0x1b0
[  519.473033][ T7643]  sysfs_warn_dup+0x7f/0xa0
[  519.477600][ T7643]  sysfs_create_dir_ns+0x237/0x290
[  519.482758][ T7643]  ? sysfs_create_mount_point+0xb0/0xb0
[  519.488348][ T7643]  ? spin_bug+0x1d0/0x1d0
[  519.492753][ T7643]  ? class_dir_child_ns_type+0xd/0x60
[  519.499335][ T7643]  kobject_add_internal+0x2c8/0x960
[  519.504755][ T7643]  kobject_add+0x154/0x220
[  519.509374][ T7643]  ? kset_create_and_add+0x190/0x190
[  519.515135][ T7643]  ? do_raw_spin_unlock+0x173/0x230
[  519.520620][ T7643]  ? kobject_put+0xbe/0x440
[  519.525285][ T7643]  device_add+0x289/0x1a90
[  519.529848][ T7643]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  519.536838][ T7643]  ? __init_waitqueue_head+0xca/0x150
[  519.542763][ T7643]  tty_register_device_attr+0x382/0x7c0
[  519.548565][ T7643]  ? lockdep_init_map_type+0x16d/0x7c0
[  519.554252][ T7643]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  519.559879][ T7643]  ? lockdep_init_map_type+0x16d/0x7c0
[  519.565724][ T7643]  ? __raw_spin_lock_init+0x3a/0x110
[  519.571055][ T7643]  ? tty_port_init+0x156/0x1b0
[  519.575857][ T7643]  gsm_activate_mux+0x170/0x2f0
[  519.581023][ T7643]  gsmld_ioctl+0x876/0x1510
[  519.585567][ T7643]  ? gsm_dlci_config+0xf00/0xf00
[  519.590536][ T7643]  ? __ldsem_down_read_nested+0xe4/0x910
[  519.596280][ T7643]  ? __ldsem_down_read_nested+0xf4/0x910
[  519.602296][ T7643]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  519.607798][ T7643]  ? vt_waitactive+0x360/0x360
[  519.612601][ T7643]  ? gsm_dlci_config+0xf00/0xf00
[  519.617950][ T7643]  tty_ioctl+0x6f8/0x1550
[  519.622660][ T7643]  ? send_break+0x3e0/0x3e0
[  519.627286][ T7643]  ? reacquire_held_locks+0x4b0/0x4b0
[  519.632781][ T7643]  ? rcu_is_watching+0x12/0xb0
[  519.637600][ T7643]  ? do_one_initcall+0xf0/0x620
[  519.642595][ T7643]  ? __fget_files+0x272/0x410
[  519.647339][ T7643]  ? bpf_lsm_file_ioctl+0x9/0x10
[  519.652408][ T7643]  ? send_break+0x3e0/0x3e0
[  519.656945][ T7643]  __x64_sys_ioctl+0x18f/0x210
[  519.662556][ T7643]  do_syscall_64+0x38/0xb0
[  519.666999][ T7643]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  519.672924][ T7643] RIP: 0033:0x7fe65e0fd6e9
[  519.677475][ T7643] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  519.697547][ T7643] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  519.705986][ T7643] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  519.713972][ T7643] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  519.721957][ T7643] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  519.729969][ T7643] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  519.737976][ T7643] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  519.746244][ T7643]  </TASK>
[  519.750362][ T7644] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.759284][ T7644] CPU: 1 PID: 7644 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  519.768561][ T7644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  519.778754][ T7644] Call Trace:
[  519.782075][ T7644]  <TASK>
[  519.785042][ T7644]  dump_stack_lvl+0x125/0x1b0
[  519.789772][ T7644]  sysfs_warn_dup+0x7f/0xa0
[  519.794335][ T7644]  sysfs_create_dir_ns+0x237/0x290
[  519.799503][ T7644]  ? sysfs_create_mount_point+0xb0/0xb0
[  519.805108][ T7644]  ? spin_bug+0x1d0/0x1d0
[  519.809583][ T7644]  ? class_dir_child_ns_type+0xd/0x60
[  519.815007][ T7644]  kobject_add_internal+0x2c8/0x960
[  519.820527][ T7644]  kobject_add+0x154/0x220
[  519.825004][ T7644]  ? kset_create_and_add+0x190/0x190
[  519.830521][ T7644]  ? do_raw_spin_unlock+0x173/0x230
[  519.835787][ T7644]  ? kobject_put+0xbe/0x440
[  519.840703][ T7644]  device_add+0x289/0x1a90
[  519.845535][ T7644]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  519.852541][ T7644]  ? __init_waitqueue_head+0xca/0x150
[  519.858068][ T7644]  tty_register_device_attr+0x382/0x7c0
[  519.863684][ T7644]  ? lockdep_init_map_type+0x16d/0x7c0
[  519.869301][ T7644]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  519.875126][ T7644]  ? lockdep_init_map_type+0x16d/0x7c0
[  519.881354][ T7644]  ? __raw_spin_lock_init+0x3a/0x110
[  519.886723][ T7644]  ? tty_port_init+0x156/0x1b0
[  519.891985][ T7644]  gsm_activate_mux+0x170/0x2f0
[  519.896924][ T7644]  gsmld_ioctl+0x876/0x1510
[  519.901511][ T7644]  ? gsm_dlci_config+0xf00/0xf00
[  519.907221][ T7644]  ? __ldsem_down_read_nested+0xe4/0x910
[  519.913435][ T7644]  ? __ldsem_down_read_nested+0xf4/0x910
[  519.919206][ T7644]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  519.924623][ T7644]  ? vt_waitactive+0x360/0x360
[  519.929600][ T7644]  ? gsm_dlci_config+0xf00/0xf00
[  519.934570][ T7644]  tty_ioctl+0x6f8/0x1550
[  519.939106][ T7644]  ? send_break+0x3e0/0x3e0
[  519.943638][ T7644]  ? reacquire_held_locks+0x4b0/0x4b0
[  519.949040][ T7644]  ? sigprocmask+0xf1/0x330
[  519.953573][ T7644]  ? do_sigtimedwait+0x5c0/0x5c0
[  519.958561][ T7644]  ? __fget_files+0x272/0x410
[  519.963273][ T7644]  ? bpf_lsm_file_ioctl+0x9/0x10
[  519.968409][ T7644]  ? send_break+0x3e0/0x3e0
[  519.972941][ T7644]  __x64_sys_ioctl+0x18f/0x210
[  519.977832][ T7644]  do_syscall_64+0x38/0xb0
[  519.982535][ T7644]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  519.988713][ T7644] RIP: 0033:0x7fe65e0fd6e9
[  519.993408][ T7644] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  520.013910][ T7644] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  520.022380][ T7644] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  520.030668][ T7644] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  520.038678][ T7644] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  520.046751][ T7644] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  520.054825][ T7644] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  520.062857][ T7644]  </TASK>
[  520.075141][ T7643] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.127216][ T7644] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.425520][ T7647] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  520.454199][ T7647] CPU: 1 PID: 7647 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  520.463667][ T7647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  520.473870][ T7647] Call Trace:
[  520.477185][ T7647]  <TASK>
[  520.480154][ T7647]  dump_stack_lvl+0x125/0x1b0
[  520.484891][ T7647]  sysfs_warn_dup+0x7f/0xa0
[  520.489475][ T7647]  sysfs_create_dir_ns+0x237/0x290
[  520.494655][ T7647]  ? sysfs_create_mount_point+0xb0/0xb0
[  520.500698][ T7647]  ? spin_bug+0x1d0/0x1d0
[  520.505447][ T7647]  ? class_dir_child_ns_type+0xd/0x60
[  520.511498][ T7647]  kobject_add_internal+0x2c8/0x960
[  520.516860][ T7647]  kobject_add+0x154/0x220
[  520.521477][ T7647]  ? kset_create_and_add+0x190/0x190
[  520.527089][ T7647]  ? do_raw_spin_unlock+0x173/0x230
[  520.532535][ T7647]  ? kobject_put+0xbe/0x440
[  520.537456][ T7647]  device_add+0x289/0x1a90
[  520.542034][ T7647]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  520.548957][ T7647]  ? __init_waitqueue_head+0xca/0x150
[  520.554405][ T7647]  tty_register_device_attr+0x382/0x7c0
[  520.560125][ T7647]  ? lockdep_init_map_type+0x16d/0x7c0
[  520.565651][ T7647]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  520.571301][ T7647]  ? lockdep_init_map_type+0x16d/0x7c0
[  520.576927][ T7647]  ? __raw_spin_lock_init+0x3a/0x110
[  520.582291][ T7647]  ? tty_port_init+0x156/0x1b0
[  520.587152][ T7647]  gsm_activate_mux+0x170/0x2f0
[  520.592680][ T7647]  gsmld_ioctl+0x876/0x1510
[  520.597445][ T7647]  ? gsm_dlci_config+0xf00/0xf00
[  520.602541][ T7647]  ? __ldsem_down_read_nested+0xe4/0x910
[  520.608236][ T7647]  ? __ldsem_down_read_nested+0xf4/0x910
[  520.613953][ T7647]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  520.619403][ T7647]  ? vt_waitactive+0x360/0x360
[  520.624287][ T7647]  ? gsm_dlci_config+0xf00/0xf00
[  520.629305][ T7647]  tty_ioctl+0x6f8/0x1550
[  520.633970][ T7647]  ? send_break+0x3e0/0x3e0
[  520.638559][ T7647]  ? reacquire_held_locks+0x4b0/0x4b0
[  520.643993][ T7647]  ? rcu_is_watching+0x12/0xb0
[  520.648903][ T7647]  ? do_one_initcall+0xf0/0x620
[  520.653839][ T7647]  ? __fget_files+0x272/0x410
[  520.658598][ T7647]  ? bpf_lsm_file_ioctl+0x9/0x10
[  520.663607][ T7647]  ? send_break+0x3e0/0x3e0
[  520.668179][ T7647]  __x64_sys_ioctl+0x18f/0x210
[  520.673101][ T7647]  do_syscall_64+0x38/0xb0
[  520.677626][ T7647]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  520.683578][ T7647] RIP: 0033:0x7fe65e0fd6e9
[  520.688573][ T7647] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  520.708494][ T7647] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  520.717057][ T7647] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  520.725075][ T7647] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  520.733118][ T7647] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  520.741140][ T7647] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  520.749245][ T7647] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  520.757373][ T7647]  </TASK>
[  520.776938][ T7647] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.061087][ T7650] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.078656][ T7650] CPU: 0 PID: 7650 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  521.087941][ T7650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  521.098410][ T7650] Call Trace:
[  521.101737][ T7650]  <TASK>
[  521.104703][ T7650]  dump_stack_lvl+0x125/0x1b0
[  521.109509][ T7650]  sysfs_warn_dup+0x7f/0xa0
[  521.114065][ T7650]  sysfs_create_dir_ns+0x237/0x290
[  521.119418][ T7650]  ? sysfs_create_mount_point+0xb0/0xb0
[  521.125023][ T7650]  ? spin_bug+0x1d0/0x1d0
[  521.129683][ T7650]  ? class_dir_child_ns_type+0xd/0x60
[  521.135155][ T7650]  kobject_add_internal+0x2c8/0x960
[  521.140407][ T7650]  kobject_add+0x154/0x220
[  521.144855][ T7650]  ? kset_create_and_add+0x190/0x190
[  521.150165][ T7650]  ? do_raw_spin_unlock+0x173/0x230
[  521.155486][ T7650]  ? kobject_put+0xbe/0x440
[  521.160454][ T7650]  device_add+0x289/0x1a90
[  521.165247][ T7650]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  521.172128][ T7650]  ? __init_waitqueue_head+0xca/0x150
[  521.177538][ T7650]  tty_register_device_attr+0x382/0x7c0
[  521.183115][ T7650]  ? lockdep_init_map_type+0x16d/0x7c0
[  521.188603][ T7650]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  521.194179][ T7650]  ? lockdep_init_map_type+0x16d/0x7c0
[  521.199773][ T7650]  ? __raw_spin_lock_init+0x3a/0x110
[  521.205174][ T7650]  ? tty_port_init+0x156/0x1b0
[  521.210056][ T7650]  gsm_activate_mux+0x170/0x2f0
[  521.214938][ T7650]  gsmld_ioctl+0x876/0x1510
[  521.219506][ T7650]  ? gsm_dlci_config+0xf00/0xf00
[  521.224500][ T7650]  ? __ldsem_down_read_nested+0xe4/0x910
[  521.230211][ T7650]  ? __ldsem_down_read_nested+0xf4/0x910
[  521.235894][ T7650]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  521.241480][ T7650]  ? vt_waitactive+0x360/0x360
[  521.246457][ T7650]  ? gsm_dlci_config+0xf00/0xf00
[  521.251517][ T7650]  tty_ioctl+0x6f8/0x1550
[  521.255967][ T7650]  ? send_break+0x3e0/0x3e0
[  521.260678][ T7650]  ? reacquire_held_locks+0x4b0/0x4b0
[  521.266165][ T7650]  ? rcu_is_watching+0x12/0xb0
[  521.270954][ T7650]  ? do_one_initcall+0xf0/0x620
[  521.275873][ T7650]  ? __fget_files+0x272/0x410
[  521.280636][ T7650]  ? bpf_lsm_file_ioctl+0x9/0x10
[  521.285628][ T7650]  ? send_break+0x3e0/0x3e0
[  521.290377][ T7650]  __x64_sys_ioctl+0x18f/0x210
[  521.295198][ T7650]  do_syscall_64+0x38/0xb0
[  521.299740][ T7650]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  521.305670][ T7650] RIP: 0033:0x7fe65e0fd6e9
[  521.310099][ T7650] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  521.329838][ T7650] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  521.338308][ T7650] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  521.346308][ T7650] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  521.354294][ T7650] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  521.362278][ T7650] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  521.370348][ T7650] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  521.378351][ T7650]  </TASK>
[  521.386890][ T7650] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.401962][ T7651] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.465050][ T7651] CPU: 1 PID: 7651 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  521.474355][ T7651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  521.484460][ T7651] Call Trace:
[  521.487774][ T7651]  <TASK>
[  521.490739][ T7651]  dump_stack_lvl+0x125/0x1b0
[  521.496318][ T7651]  sysfs_warn_dup+0x7f/0xa0
[  521.500874][ T7651]  sysfs_create_dir_ns+0x237/0x290
[  521.506135][ T7651]  ? sysfs_create_mount_point+0xb0/0xb0
[  521.511748][ T7651]  ? spin_bug+0x1d0/0x1d0
[  521.516451][ T7651]  ? class_dir_child_ns_type+0xd/0x60
[  521.521998][ T7651]  kobject_add_internal+0x2c8/0x960
[  521.527362][ T7651]  kobject_add+0x154/0x220
[  521.531933][ T7651]  ? kset_create_and_add+0x190/0x190
[  521.537400][ T7651]  ? do_raw_spin_unlock+0x173/0x230
[  521.542676][ T7651]  ? kobject_put+0xbe/0x440
[  521.547271][ T7651]  device_add+0x289/0x1a90
[  521.551853][ T7651]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  521.558779][ T7651]  ? __init_waitqueue_head+0xca/0x150
[  521.564308][ T7651]  tty_register_device_attr+0x382/0x7c0
[  521.570023][ T7651]  ? lockdep_init_map_type+0x16d/0x7c0
[  521.576254][ T7651]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  521.581871][ T7651]  ? lockdep_init_map_type+0x16d/0x7c0
[  521.587747][ T7651]  ? __raw_spin_lock_init+0x3a/0x110
[  521.593105][ T7651]  ? tty_port_init+0x156/0x1b0
[  521.598453][ T7651]  gsm_activate_mux+0x170/0x2f0
[  521.603994][ T7651]  gsmld_ioctl+0x876/0x1510
[  521.608659][ T7651]  ? gsm_dlci_config+0xf00/0xf00
[  521.613670][ T7651]  ? __ldsem_down_read_nested+0xe4/0x910
[  521.619362][ T7651]  ? __ldsem_down_read_nested+0xf4/0x910
[  521.625234][ T7651]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  521.630908][ T7651]  ? vt_waitactive+0x360/0x360
[  521.635740][ T7651]  ? gsm_dlci_config+0xf00/0xf00
[  521.641048][ T7651]  tty_ioctl+0x6f8/0x1550
[  521.645422][ T7651]  ? send_break+0x3e0/0x3e0
[  521.650039][ T7651]  ? reacquire_held_locks+0x4b0/0x4b0
[  521.655506][ T7651]  ? sigprocmask+0xf1/0x330
[  521.660041][ T7651]  ? do_sigtimedwait+0x5c0/0x5c0
[  521.665071][ T7651]  ? __fget_files+0x272/0x410
[  521.669852][ T7651]  ? bpf_lsm_file_ioctl+0x9/0x10
[  521.675004][ T7651]  ? send_break+0x3e0/0x3e0
[  521.679563][ T7651]  __x64_sys_ioctl+0x18f/0x210
[  521.684424][ T7651]  do_syscall_64+0x38/0xb0
[  521.688839][ T7651]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  521.694730][ T7651] RIP: 0033:0x7fe65e0fd6e9
[  521.699135][ T7651] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  521.718748][ T7651] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  521.727163][ T7651] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  521.735250][ T7651] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  521.743305][ T7651] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  521.751270][ T7651] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  521.759580][ T7651] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  521.767567][ T7651]  </TASK>
[  521.773764][ T7651] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.055664][ T7654] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.071669][ T7654] CPU: 0 PID: 7654 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  522.081308][ T7654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  522.091767][ T7654] Call Trace:
[  522.095214][ T7654]  <TASK>
[  522.098186][ T7654]  dump_stack_lvl+0x125/0x1b0
[  522.102929][ T7654]  sysfs_warn_dup+0x7f/0xa0
[  522.107587][ T7654]  sysfs_create_dir_ns+0x237/0x290
[  522.112760][ T7654]  ? sysfs_create_mount_point+0xb0/0xb0
[  522.118464][ T7654]  ? spin_bug+0x1d0/0x1d0
[  522.122955][ T7654]  ? class_dir_child_ns_type+0xd/0x60
[  522.128658][ T7654]  kobject_add_internal+0x2c8/0x960
[  522.133928][ T7654]  kobject_add+0x154/0x220
[  522.138492][ T7654]  ? kset_create_and_add+0x190/0x190
[  522.143868][ T7654]  ? do_raw_spin_unlock+0x173/0x230
[  522.149229][ T7654]  ? kobject_put+0xbe/0x440
[  522.153804][ T7654]  device_add+0x289/0x1a90
[  522.158307][ T7654]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  522.165320][ T7654]  ? __init_waitqueue_head+0xca/0x150
[  522.170765][ T7654]  tty_register_device_attr+0x382/0x7c0
[  522.176384][ T7654]  ? lockdep_init_map_type+0x16d/0x7c0
[  522.181912][ T7654]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  522.187525][ T7654]  ? lockdep_init_map_type+0x16d/0x7c0
[  522.193236][ T7654]  ? __raw_spin_lock_init+0x3a/0x110
[  522.198602][ T7654]  ? tty_port_init+0x156/0x1b0
[  522.203430][ T7654]  gsm_activate_mux+0x170/0x2f0
[  522.208523][ T7654]  gsmld_ioctl+0x876/0x1510
[  522.213113][ T7654]  ? gsm_dlci_config+0xf00/0xf00
[  522.218122][ T7654]  ? __ldsem_down_read_nested+0xe4/0x910
[  522.224106][ T7654]  ? __ldsem_down_read_nested+0xf4/0x910
[  522.230068][ T7654]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  522.235512][ T7654]  ? vt_waitactive+0x360/0x360
[  522.240350][ T7654]  ? gsm_dlci_config+0xf00/0xf00
[  522.245358][ T7654]  tty_ioctl+0x6f8/0x1550
[  522.249766][ T7654]  ? send_break+0x3e0/0x3e0
[  522.254333][ T7654]  ? reacquire_held_locks+0x4b0/0x4b0
[  522.259771][ T7654]  ? rcu_is_watching+0x12/0xb0
[  522.264595][ T7654]  ? do_one_initcall+0xf0/0x620
[  522.269518][ T7654]  ? __fget_files+0x272/0x410
[  522.274382][ T7654]  ? bpf_lsm_file_ioctl+0x9/0x10
[  522.279392][ T7654]  ? send_break+0x3e0/0x3e0
[  522.283974][ T7654]  __x64_sys_ioctl+0x18f/0x210
[  522.288811][ T7654]  do_syscall_64+0x38/0xb0
[  522.293296][ T7654]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  522.299707][ T7654] RIP: 0033:0x7fe65e0fd6e9
[  522.304270][ T7654] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  522.324794][ T7654] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  522.333369][ T7654] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  522.341387][ T7654] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  522.349669][ T7654] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  522.357687][ T7654] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  522.365814][ T7654] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  522.374111][ T7654]  </TASK>
[  522.387128][ T7654] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.690674][ T7657] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.710007][ T7657] CPU: 1 PID: 7657 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  522.719369][ T7657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  522.729811][ T7657] Call Trace:
[  522.733130][ T7657]  <TASK>
[  522.736090][ T7657]  dump_stack_lvl+0x125/0x1b0
[  522.740815][ T7657]  sysfs_warn_dup+0x7f/0xa0
[  522.745357][ T7657]  sysfs_create_dir_ns+0x237/0x290
[  522.750509][ T7657]  ? sysfs_create_mount_point+0xb0/0xb0
[  522.756101][ T7657]  ? spin_bug+0x1d0/0x1d0
[  522.760608][ T7657]  ? class_dir_child_ns_type+0xd/0x60
[  522.766034][ T7657]  kobject_add_internal+0x2c8/0x960
[  522.771287][ T7657]  kobject_add+0x154/0x220
[  522.775768][ T7657]  ? kset_create_and_add+0x190/0x190
[  522.781135][ T7657]  ? do_raw_spin_unlock+0x173/0x230
[  522.786488][ T7657]  ? kobject_put+0xbe/0x440
[  522.791067][ T7657]  device_add+0x289/0x1a90
[  522.795641][ T7657]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  522.802665][ T7657]  ? __init_waitqueue_head+0xca/0x150
[  522.808111][ T7657]  tty_register_device_attr+0x382/0x7c0
[  522.813732][ T7657]  ? lockdep_init_map_type+0x16d/0x7c0
[  522.819257][ T7657]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  522.824916][ T7657]  ? lockdep_init_map_type+0x16d/0x7c0
[  522.830533][ T7657]  ? __raw_spin_lock_init+0x3a/0x110
[  522.835988][ T7657]  ? tty_port_init+0x156/0x1b0
[  522.840817][ T7657]  gsm_activate_mux+0x170/0x2f0
[  522.845824][ T7657]  gsmld_ioctl+0x876/0x1510
[  522.850398][ T7657]  ? gsm_dlci_config+0xf00/0xf00
[  522.855396][ T7657]  ? __ldsem_down_read_nested+0xe4/0x910
[  522.861076][ T7657]  ? __ldsem_down_read_nested+0xf4/0x910
[  522.866764][ T7657]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  522.872206][ T7657]  ? vt_waitactive+0x360/0x360
[  522.877125][ T7657]  ? gsm_dlci_config+0xf00/0xf00
[  522.882119][ T7657]  tty_ioctl+0x6f8/0x1550
[  522.886512][ T7657]  ? send_break+0x3e0/0x3e0
[  522.891086][ T7657]  ? reacquire_held_locks+0x4b0/0x4b0
[  522.896517][ T7657]  ? rcu_is_watching+0x12/0xb0
[  522.901337][ T7657]  ? do_one_initcall+0xf0/0x620
[  522.906255][ T7657]  ? __fget_files+0x272/0x410
[  522.910998][ T7657]  ? bpf_lsm_file_ioctl+0x9/0x10
[  522.916082][ T7657]  ? send_break+0x3e0/0x3e0
[  522.920828][ T7657]  __x64_sys_ioctl+0x18f/0x210
[  522.925769][ T7657]  do_syscall_64+0x38/0xb0
[  522.930325][ T7657]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  522.936273][ T7657] RIP: 0033:0x7fe65e0fd6e9
[  522.940731][ T7657] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  522.960473][ T7657] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  522.969030][ T7657] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  522.977055][ T7657] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  522.985076][ T7657] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  522.993962][ T7657] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  523.001978][ T7657] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  523.010108][ T7657]  </TASK>
[  523.015563][ T7657] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.310873][ T7660] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.320119][ T7660] CPU: 1 PID: 7660 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  523.329560][ T7660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  523.339867][ T7660] Call Trace:
[  523.343176][ T7660]  <TASK>
[  523.346145][ T7660]  dump_stack_lvl+0x125/0x1b0
[  523.350877][ T7660]  sysfs_warn_dup+0x7f/0xa0
[  523.355443][ T7660]  sysfs_create_dir_ns+0x237/0x290
[  523.360681][ T7660]  ? sysfs_create_mount_point+0xb0/0xb0
[  523.366250][ T7660]  ? spin_bug+0x1d0/0x1d0
[  523.370653][ T7660]  ? class_dir_child_ns_type+0xd/0x60
[  523.376342][ T7660]  kobject_add_internal+0x2c8/0x960
[  523.381586][ T7660]  kobject_add+0x154/0x220
[  523.386207][ T7660]  ? kset_create_and_add+0x190/0x190
[  523.393278][ T7660]  ? do_raw_spin_unlock+0x173/0x230
[  523.398768][ T7660]  ? kobject_put+0xbe/0x440
[  523.403562][ T7660]  device_add+0x289/0x1a90
[  523.408023][ T7660]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  523.415086][ T7660]  ? __init_waitqueue_head+0xca/0x150
[  523.420538][ T7660]  tty_register_device_attr+0x382/0x7c0
[  523.426231][ T7660]  ? lockdep_init_map_type+0x16d/0x7c0
[  523.431822][ T7660]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  523.437681][ T7660]  ? lockdep_init_map_type+0x16d/0x7c0
[  523.443197][ T7660]  ? __raw_spin_lock_init+0x3a/0x110
[  523.448523][ T7660]  ? tty_port_init+0x156/0x1b0
[  523.453319][ T7660]  gsm_activate_mux+0x170/0x2f0
[  523.458218][ T7660]  gsmld_ioctl+0x876/0x1510
[  523.462763][ T7660]  ? gsm_dlci_config+0xf00/0xf00
[  523.467786][ T7660]  ? __ldsem_down_read_nested+0xe4/0x910
[  523.473719][ T7660]  ? __ldsem_down_read_nested+0xf4/0x910
[  523.479522][ T7660]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  523.484942][ T7660]  ? vt_waitactive+0x360/0x360
[  523.489751][ T7660]  ? gsm_dlci_config+0xf00/0xf00
[  523.494894][ T7660]  tty_ioctl+0x6f8/0x1550
[  523.499518][ T7660]  ? send_break+0x3e0/0x3e0
[  523.504168][ T7660]  ? reacquire_held_locks+0x4b0/0x4b0
[  523.509594][ T7660]  ? rcu_is_watching+0x12/0xb0
[  523.514399][ T7660]  ? do_one_initcall+0xf0/0x620
[  523.519373][ T7660]  ? __fget_files+0x272/0x410
[  523.524189][ T7660]  ? bpf_lsm_file_ioctl+0x9/0x10
[  523.529326][ T7660]  ? send_break+0x3e0/0x3e0
[  523.534059][ T7660]  __x64_sys_ioctl+0x18f/0x210
[  523.539239][ T7660]  do_syscall_64+0x38/0xb0
[  523.543943][ T7660]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  523.549885][ T7660] RIP: 0033:0x7fe65e0fd6e9
[  523.554839][ T7660] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  523.574840][ T7660] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  523.583488][ T7660] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  523.592284][ T7660] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  523.600488][ T7660] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  523.608842][ T7660] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  523.617345][ T7660] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  523.625438][ T7660]  </TASK>
[  523.650866][ T7661] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.671617][ T7661] CPU: 0 PID: 7661 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  523.680990][ T7661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  523.691184][ T7661] Call Trace:
[  523.694495][ T7661]  <TASK>
[  523.697460][ T7661]  dump_stack_lvl+0x125/0x1b0
[  523.702269][ T7661]  sysfs_warn_dup+0x7f/0xa0
[  523.706915][ T7661]  sysfs_create_dir_ns+0x237/0x290
[  523.709456][ T7660] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.712059][ T7661]  ? sysfs_create_mount_point+0xb0/0xb0
[  523.712099][ T7661]  ? spin_bug+0x1d0/0x1d0
[  523.736115][ T7661]  ? class_dir_child_ns_type+0xd/0x60
[  523.741724][ T7661]  kobject_add_internal+0x2c8/0x960
[  523.746995][ T7661]  kobject_add+0x154/0x220
[  523.751572][ T7661]  ? kset_create_and_add+0x190/0x190
[  523.756929][ T7661]  ? do_raw_spin_unlock+0x173/0x230
[  523.762982][ T7661]  ? kobject_put+0xbe/0x440
[  523.767563][ T7661]  device_add+0x289/0x1a90
[  523.772050][ T7661]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  523.778983][ T7661]  ? __init_waitqueue_head+0xca/0x150
[  523.784433][ T7661]  tty_register_device_attr+0x382/0x7c0
[  523.790031][ T7661]  ? lockdep_init_map_type+0x16d/0x7c0
[  523.795615][ T7661]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  523.801287][ T7661]  ? lockdep_init_map_type+0x16d/0x7c0
[  523.806786][ T7661]  ? __raw_spin_lock_init+0x3a/0x110
[  523.812267][ T7661]  ? tty_port_init+0x156/0x1b0
[  523.817084][ T7661]  gsm_activate_mux+0x170/0x2f0
[  523.822088][ T7661]  gsmld_ioctl+0x876/0x1510
[  523.826630][ T7661]  ? gsm_dlci_config+0xf00/0xf00
[  523.831598][ T7661]  ? __ldsem_down_read_nested+0xe4/0x910
[  523.837346][ T7661]  ? __ldsem_down_read_nested+0xf4/0x910
[  523.843380][ T7661]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  523.849052][ T7661]  ? vt_waitactive+0x360/0x360
[  523.853854][ T7661]  ? gsm_dlci_config+0xf00/0xf00
[  523.858908][ T7661]  tty_ioctl+0x6f8/0x1550
[  523.863271][ T7661]  ? send_break+0x3e0/0x3e0
[  523.867818][ T7661]  ? reacquire_held_locks+0x4b0/0x4b0
[  523.873222][ T7661]  ? sigprocmask+0xf1/0x330
[  523.877761][ T7661]  ? do_sigtimedwait+0x5c0/0x5c0
[  523.882824][ T7661]  ? __fget_files+0x272/0x410
[  523.887547][ T7661]  ? bpf_lsm_file_ioctl+0x9/0x10
[  523.892598][ T7661]  ? send_break+0x3e0/0x3e0
[  523.897222][ T7661]  __x64_sys_ioctl+0x18f/0x210
[  523.902021][ T7661]  do_syscall_64+0x38/0xb0
[  523.906471][ T7661]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  523.912395][ T7661] RIP: 0033:0x7fe65e0fd6e9
[  523.916835][ T7661] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  523.936553][ T7661] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  523.944991][ T7661] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  523.953101][ T7661] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  523.962358][ T7661] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  523.970536][ T7661] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  523.978782][ T7661] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  523.986964][ T7661]  </TASK>
[  523.991045][ T7661] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.356875][ T7664] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  524.367405][ T7664] CPU: 0 PID: 7664 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  524.376670][ T7664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  524.386799][ T7664] Call Trace:
[  524.390204][ T7664]  <TASK>
[  524.393176][ T7664]  dump_stack_lvl+0x125/0x1b0
[  524.397915][ T7664]  sysfs_warn_dup+0x7f/0xa0
[  524.402482][ T7664]  sysfs_create_dir_ns+0x237/0x290
[  524.407766][ T7664]  ? sysfs_create_mount_point+0xb0/0xb0
[  524.413372][ T7664]  ? spin_bug+0x1d0/0x1d0
[  524.417776][ T7664]  ? class_dir_child_ns_type+0xd/0x60
[  524.423843][ T7664]  kobject_add_internal+0x2c8/0x960
[  524.429095][ T7664]  kobject_add+0x154/0x220
[  524.433543][ T7664]  ? kset_create_and_add+0x190/0x190
[  524.439379][ T7664]  ? do_raw_spin_unlock+0x173/0x230
[  524.444705][ T7664]  ? kobject_put+0xbe/0x440
[  524.449237][ T7664]  device_add+0x289/0x1a90
[  524.453777][ T7664]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  524.460658][ T7664]  ? __init_waitqueue_head+0xca/0x150
[  524.466063][ T7664]  tty_register_device_attr+0x382/0x7c0
[  524.471654][ T7664]  ? lockdep_init_map_type+0x16d/0x7c0
[  524.477445][ T7664]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  524.483602][ T7664]  ? lockdep_init_map_type+0x16d/0x7c0
[  524.489125][ T7664]  ? __raw_spin_lock_init+0x3a/0x110
[  524.494536][ T7664]  ? tty_port_init+0x156/0x1b0
[  524.499415][ T7664]  gsm_activate_mux+0x170/0x2f0
[  524.504301][ T7664]  gsmld_ioctl+0x876/0x1510
[  524.508942][ T7664]  ? gsm_dlci_config+0xf00/0xf00
[  524.514027][ T7664]  ? __ldsem_down_read_nested+0xe4/0x910
[  524.519722][ T7664]  ? __ldsem_down_read_nested+0xf4/0x910
[  524.525395][ T7664]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  524.531463][ T7664]  ? vt_waitactive+0x360/0x360
[  524.536283][ T7664]  ? gsm_dlci_config+0xf00/0xf00
[  524.541251][ T7664]  tty_ioctl+0x6f8/0x1550
[  524.545645][ T7664]  ? send_break+0x3e0/0x3e0
[  524.550212][ T7664]  ? reacquire_held_locks+0x4b0/0x4b0
[  524.555680][ T7664]  ? rcu_is_watching+0x12/0xb0
[  524.560515][ T7664]  ? do_one_initcall+0xf0/0x620
[  524.565423][ T7664]  ? __fget_files+0x272/0x410
[  524.570418][ T7664]  ? bpf_lsm_file_ioctl+0x9/0x10
[  524.575418][ T7664]  ? send_break+0x3e0/0x3e0
[  524.579993][ T7664]  __x64_sys_ioctl+0x18f/0x210
[  524.584817][ T7664]  do_syscall_64+0x38/0xb0
[  524.589268][ T7664]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  524.595189][ T7664] RIP: 0033:0x7fe65e0fd6e9
[  524.599643][ T7664] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  524.619380][ T7664] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  524.627861][ T7664] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  524.635945][ T7664] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  524.644525][ T7664] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  524.652518][ T7664] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  524.660506][ T7664] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  524.668601][ T7664]  </TASK>
[  524.700924][ T7665] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  524.709666][ T7665] CPU: 0 PID: 7665 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  524.718919][ T7665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  524.729023][ T7665] Call Trace:
[  524.732335][ T7665]  <TASK>
[  524.735383][ T7665]  dump_stack_lvl+0x125/0x1b0
[  524.740108][ T7665]  sysfs_warn_dup+0x7f/0xa0
[  524.744683][ T7665]  sysfs_create_dir_ns+0x237/0x290
[  524.749845][ T7665]  ? sysfs_create_mount_point+0xb0/0xb0
[  524.755525][ T7665]  ? spin_bug+0x1d0/0x1d0
[  524.759940][ T7665]  ? class_dir_child_ns_type+0xd/0x60
[  524.765451][ T7665]  kobject_add_internal+0x2c8/0x960
[  524.770743][ T7665]  kobject_add+0x154/0x220
[  524.775216][ T7665]  ? kset_create_and_add+0x190/0x190
[  524.780660][ T7665]  ? do_raw_spin_unlock+0x173/0x230
[  524.785930][ T7665]  ? kobject_put+0xbe/0x440
[  524.790506][ T7665]  device_add+0x289/0x1a90
[  524.794995][ T7665]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  524.801926][ T7665]  ? __init_waitqueue_head+0xca/0x150
[  524.807391][ T7665]  tty_register_device_attr+0x382/0x7c0
[  524.813013][ T7665]  ? lockdep_init_map_type+0x16d/0x7c0
[  524.818536][ T7665]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  524.824232][ T7665]  ? lockdep_init_map_type+0x16d/0x7c0
[  524.829849][ T7665]  ? __raw_spin_lock_init+0x3a/0x110
[  524.835202][ T7665]  ? tty_port_init+0x156/0x1b0
[  524.840032][ T7665]  gsm_activate_mux+0x170/0x2f0
[  524.844945][ T7665]  gsmld_ioctl+0x876/0x1510
[  524.849518][ T7665]  ? gsm_dlci_config+0xf00/0xf00
[  524.854603][ T7665]  ? __ldsem_down_read_nested+0xe4/0x910
[  524.860288][ T7665]  ? __ldsem_down_read_nested+0xf4/0x910
[  524.865985][ T7665]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  524.871433][ T7665]  ? vt_waitactive+0x360/0x360
[  524.876269][ T7665]  ? gsm_dlci_config+0xf00/0xf00
[  524.881272][ T7665]  tty_ioctl+0x6f8/0x1550
[  524.886456][ T7665]  ? send_break+0x3e0/0x3e0
[  524.891035][ T7665]  ? reacquire_held_locks+0x4b0/0x4b0
[  524.896471][ T7665]  ? sigprocmask+0xf1/0x330
[  524.901042][ T7665]  ? do_sigtimedwait+0x5c0/0x5c0
[  524.906056][ T7665]  ? __fget_files+0x272/0x410
[  524.910809][ T7665]  ? bpf_lsm_file_ioctl+0x9/0x10
[  524.915800][ T7665]  ? send_break+0x3e0/0x3e0
[  524.920339][ T7665]  __x64_sys_ioctl+0x18f/0x210
[  524.925401][ T7665]  do_syscall_64+0x38/0xb0
[  524.929927][ T7665]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  524.935848][ T7665] RIP: 0033:0x7fe65e0fd6e9
[  524.940279][ T7665] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  524.960176][ T7665] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  524.968784][ T7665] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  524.976794][ T7665] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  524.984801][ T7665] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  524.993228][ T7665] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  525.001322][ T7665] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  525.009707][ T7665]  </TASK>
[  525.026263][ T7664] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.031665][ T7665] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.324524][ T7668] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.333678][ T7668] CPU: 0 PID: 7668 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  525.343281][ T7668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  525.353960][ T7668] Call Trace:
[  525.357273][ T7668]  <TASK>
[  525.362254][ T7668]  dump_stack_lvl+0x125/0x1b0
[  525.367004][ T7668]  sysfs_warn_dup+0x7f/0xa0
[  525.371569][ T7668]  sysfs_create_dir_ns+0x237/0x290
[  525.376743][ T7668]  ? sysfs_create_mount_point+0xb0/0xb0
[  525.382358][ T7668]  ? spin_bug+0x1d0/0x1d0
[  525.386769][ T7668]  ? class_dir_child_ns_type+0xd/0x60
[  525.392321][ T7668]  kobject_add_internal+0x2c8/0x960
[  525.393999][ T7669] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.397766][ T7668]  kobject_add+0x154/0x220
[  525.411340][ T7668]  ? kset_create_and_add+0x190/0x190
[  525.416865][ T7668]  ? do_raw_spin_unlock+0x173/0x230
[  525.422142][ T7668]  ? kobject_put+0xbe/0x440
[  525.426723][ T7668]  device_add+0x289/0x1a90
[  525.431220][ T7668]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  525.438237][ T7668]  ? __init_waitqueue_head+0xca/0x150
[  525.443862][ T7668]  tty_register_device_attr+0x382/0x7c0
[  525.449645][ T7668]  ? lockdep_init_map_type+0x16d/0x7c0
[  525.455155][ T7668]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  525.460761][ T7668]  ? lockdep_init_map_type+0x16d/0x7c0
[  525.466395][ T7668]  ? __raw_spin_lock_init+0x3a/0x110
[  525.471935][ T7668]  ? tty_port_init+0x156/0x1b0
[  525.476941][ T7668]  gsm_activate_mux+0x170/0x2f0
[  525.481857][ T7668]  gsmld_ioctl+0x876/0x1510
[  525.486419][ T7668]  ? gsm_dlci_config+0xf00/0xf00
[  525.491403][ T7668]  ? __ldsem_down_read_nested+0xe4/0x910
[  525.497078][ T7668]  ? __ldsem_down_read_nested+0xf4/0x910
[  525.502777][ T7668]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  525.508222][ T7668]  ? vt_waitactive+0x360/0x360
[  525.513060][ T7668]  ? gsm_dlci_config+0xf00/0xf00
[  525.518149][ T7668]  tty_ioctl+0x6f8/0x1550
[  525.522559][ T7668]  ? send_break+0x3e0/0x3e0
[  525.527112][ T7668]  ? reacquire_held_locks+0x4b0/0x4b0
[  525.532700][ T7668]  ? rcu_is_watching+0x12/0xb0
[  525.537508][ T7668]  ? do_one_initcall+0xf0/0x620
[  525.542402][ T7668]  ? __fget_files+0x272/0x410
[  525.547294][ T7668]  ? bpf_lsm_file_ioctl+0x9/0x10
[  525.552361][ T7668]  ? send_break+0x3e0/0x3e0
[  525.556901][ T7668]  __x64_sys_ioctl+0x18f/0x210
[  525.561707][ T7668]  do_syscall_64+0x38/0xb0
[  525.566153][ T7668]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  525.572172][ T7668] RIP: 0033:0x7fe65e0fd6e9
[  525.576693][ T7668] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  525.596785][ T7668] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  525.605246][ T7668] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  525.613335][ T7668] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  525.621410][ T7668] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  525.629409][ T7668] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  525.637399][ T7668] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  525.645510][ T7668]  </TASK>
[  525.648801][ T7669] CPU: 1 PID: 7669 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  525.658131][ T7669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  525.668463][ T7669] Call Trace:
[  525.671759][ T7669]  <TASK>
[  525.674709][ T7669]  dump_stack_lvl+0x125/0x1b0
[  525.679424][ T7669]  sysfs_warn_dup+0x7f/0xa0
[  525.683998][ T7669]  sysfs_create_dir_ns+0x237/0x290
[  525.689216][ T7669]  ? sysfs_create_mount_point+0xb0/0xb0
[  525.694874][ T7669]  ? spin_bug+0x1d0/0x1d0
[  525.699237][ T7669]  ? class_dir_child_ns_type+0xd/0x60
[  525.704721][ T7669]  kobject_add_internal+0x2c8/0x960
[  525.710041][ T7669]  kobject_add+0x154/0x220
[  525.714481][ T7669]  ? kset_create_and_add+0x190/0x190
[  525.719796][ T7669]  ? do_raw_spin_unlock+0x173/0x230
[  525.725035][ T7669]  ? kobject_put+0xbe/0x440
[  525.729570][ T7669]  device_add+0x289/0x1a90
[  525.734020][ T7669]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  525.740902][ T7669]  ? __init_waitqueue_head+0xca/0x150
[  525.746756][ T7669]  tty_register_device_attr+0x382/0x7c0
[  525.752350][ T7669]  ? lockdep_init_map_type+0x16d/0x7c0
[  525.758012][ T7669]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  525.763666][ T7669]  ? lockdep_init_map_type+0x16d/0x7c0
[  525.769156][ T7669]  ? __raw_spin_lock_init+0x3a/0x110
[  525.774473][ T7669]  ? tty_port_init+0x156/0x1b0
[  525.779349][ T7669]  gsm_activate_mux+0x170/0x2f0
[  525.784233][ T7669]  gsmld_ioctl+0x876/0x1510
[  525.788779][ T7669]  ? gsm_dlci_config+0xf00/0xf00
[  525.793851][ T7669]  ? __ldsem_down_read_nested+0xe4/0x910
[  525.799627][ T7669]  ? __ldsem_down_read_nested+0xf4/0x910
[  525.805290][ T7669]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  525.810698][ T7669]  ? vt_waitactive+0x360/0x360
[  525.815684][ T7669]  ? gsm_dlci_config+0xf00/0xf00
[  525.820652][ T7669]  tty_ioctl+0x6f8/0x1550
[  525.825019][ T7669]  ? send_break+0x3e0/0x3e0
[  525.829578][ T7669]  ? reacquire_held_locks+0x4b0/0x4b0
[  525.834981][ T7669]  ? sigprocmask+0xf1/0x330
[  525.839602][ T7669]  ? do_sigtimedwait+0x5c0/0x5c0
[  525.844581][ T7669]  ? __fget_files+0x272/0x410
[  525.849296][ T7669]  ? bpf_lsm_file_ioctl+0x9/0x10
[  525.854265][ T7669]  ? send_break+0x3e0/0x3e0
[  525.858800][ T7669]  __x64_sys_ioctl+0x18f/0x210
[  525.863683][ T7669]  do_syscall_64+0x38/0xb0
[  525.868129][ T7669]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  525.874401][ T7669] RIP: 0033:0x7fe65e0fd6e9
[  525.879104][ T7669] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  525.898939][ T7669] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  525.907386][ T7669] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  525.915470][ T7669] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  525.923458][ T7669] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  525.931446][ T7669] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  525.939432][ T7669] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  525.948227][ T7669]  </TASK>
[  525.955958][ T7668] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.031117][ T7669] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.365468][ T7672] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  526.374114][ T7672] CPU: 1 PID: 7672 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  526.383653][ T7672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  526.393886][ T7672] Call Trace:
[  526.397205][ T7672]  <TASK>
[  526.400187][ T7672]  dump_stack_lvl+0x125/0x1b0
[  526.404934][ T7672]  sysfs_warn_dup+0x7f/0xa0
[  526.409504][ T7672]  sysfs_create_dir_ns+0x237/0x290
[  526.414687][ T7672]  ? sysfs_create_mount_point+0xb0/0xb0
[  526.420305][ T7672]  ? spin_bug+0x1d0/0x1d0
[  526.424714][ T7672]  ? class_dir_child_ns_type+0xd/0x60
[  526.430236][ T7672]  kobject_add_internal+0x2c8/0x960
[  526.435542][ T7672]  kobject_add+0x154/0x220
[  526.440034][ T7672]  ? kset_create_and_add+0x190/0x190
[  526.445405][ T7672]  ? do_raw_spin_unlock+0x173/0x230
[  526.450679][ T7672]  ? kobject_put+0xbe/0x440
[  526.455259][ T7672]  device_add+0x289/0x1a90
[  526.459754][ T7672]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  526.466681][ T7672]  ? __init_waitqueue_head+0xca/0x150
[  526.472137][ T7672]  tty_register_device_attr+0x382/0x7c0
[  526.477771][ T7672]  ? lockdep_init_map_type+0x16d/0x7c0
[  526.483302][ T7672]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  526.488935][ T7672]  ? lockdep_init_map_type+0x16d/0x7c0
[  526.494559][ T7672]  ? __raw_spin_lock_init+0x3a/0x110
[  526.499940][ T7672]  ? tty_port_init+0x156/0x1b0
[  526.504855][ T7672]  gsm_activate_mux+0x170/0x2f0
[  526.509779][ T7672]  gsmld_ioctl+0x876/0x1510
[  526.514366][ T7672]  ? gsm_dlci_config+0xf00/0xf00
[  526.519510][ T7672]  ? __ldsem_down_read_nested+0xe4/0x910
[  526.525296][ T7672]  ? __ldsem_down_read_nested+0xf4/0x910
[  526.531296][ T7672]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  526.536836][ T7672]  ? vt_waitactive+0x360/0x360
[  526.541678][ T7672]  ? gsm_dlci_config+0xf00/0xf00
[  526.546683][ T7672]  tty_ioctl+0x6f8/0x1550
[  526.551167][ T7672]  ? send_break+0x3e0/0x3e0
[  526.555743][ T7672]  ? reacquire_held_locks+0x4b0/0x4b0
[  526.561220][ T7672]  ? rcu_is_watching+0x12/0xb0
[  526.566049][ T7672]  ? do_one_initcall+0xf0/0x620
[  526.571062][ T7672]  ? __fget_files+0x272/0x410
[  526.575841][ T7672]  ? bpf_lsm_file_ioctl+0x9/0x10
[  526.581187][ T7672]  ? send_break+0x3e0/0x3e0
[  526.585859][ T7672]  __x64_sys_ioctl+0x18f/0x210
[  526.590955][ T7672]  do_syscall_64+0x38/0xb0
[  526.595527][ T7672]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  526.601575][ T7672] RIP: 0033:0x7fe65e0fd6e9
[  526.606120][ T7672] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  526.626911][ T7672] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  526.635654][ T7672] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  526.644201][ T7672] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  526.652403][ T7672] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  526.660506][ T7672] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  526.668783][ T7672] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  526.676825][ T7672]  </TASK>
[  526.699389][ T7672] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.989836][ T7676] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  526.999161][ T7676] CPU: 0 PID: 7676 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  527.008897][ T7676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  527.019175][ T7676] Call Trace:
[  527.022583][ T7676]  <TASK>
[  527.025561][ T7676]  dump_stack_lvl+0x125/0x1b0
[  527.030387][ T7676]  sysfs_warn_dup+0x7f/0xa0
[  527.035232][ T7676]  sysfs_create_dir_ns+0x237/0x290
[  527.040943][ T7676]  ? sysfs_create_mount_point+0xb0/0xb0
[  527.046668][ T7676]  ? spin_bug+0x1d0/0x1d0
[  527.051318][ T7676]  ? class_dir_child_ns_type+0xd/0x60
[  527.056891][ T7676]  kobject_add_internal+0x2c8/0x960
[  527.062124][ T7676]  kobject_add+0x154/0x220
[  527.066565][ T7676]  ? kset_create_and_add+0x190/0x190
[  527.072307][ T7676]  ? do_raw_spin_unlock+0x173/0x230
[  527.078588][ T7676]  ? kobject_put+0xbe/0x440
[  527.083157][ T7676]  device_add+0x289/0x1a90
[  527.087735][ T7676]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  527.094636][ T7676]  ? __init_waitqueue_head+0xca/0x150
[  527.100222][ T7676]  tty_register_device_attr+0x382/0x7c0
[  527.105802][ T7676]  ? lockdep_init_map_type+0x16d/0x7c0
[  527.111293][ T7676]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  527.116865][ T7676]  ? lockdep_init_map_type+0x16d/0x7c0
[  527.122366][ T7676]  ? __raw_spin_lock_init+0x3a/0x110
[  527.127684][ T7676]  ? tty_port_init+0x156/0x1b0
[  527.132563][ T7676]  gsm_activate_mux+0x170/0x2f0
[  527.137474][ T7676]  gsmld_ioctl+0x876/0x1510
[  527.142160][ T7676]  ? gsm_dlci_config+0xf00/0xf00
[  527.147246][ T7676]  ? __ldsem_down_read_nested+0xe4/0x910
[  527.152922][ T7676]  ? __ldsem_down_read_nested+0xf4/0x910
[  527.158797][ T7676]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  527.164231][ T7676]  ? vt_waitactive+0x360/0x360
[  527.169032][ T7676]  ? gsm_dlci_config+0xf00/0xf00
[  527.174041][ T7676]  tty_ioctl+0x6f8/0x1550
[  527.178531][ T7676]  ? send_break+0x3e0/0x3e0
[  527.183184][ T7676]  ? reacquire_held_locks+0x4b0/0x4b0
[  527.188803][ T7676]  ? rcu_is_watching+0x12/0xb0
[  527.193695][ T7676]  ? do_one_initcall+0xf0/0x620
[  527.198585][ T7676]  ? __fget_files+0x272/0x410
[  527.203299][ T7676]  ? bpf_lsm_file_ioctl+0x9/0x10
[  527.208265][ T7676]  ? send_break+0x3e0/0x3e0
[  527.213013][ T7676]  __x64_sys_ioctl+0x18f/0x210
[  527.217835][ T7676]  do_syscall_64+0x38/0xb0
[  527.222280][ T7676]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  527.228289][ T7676] RIP: 0033:0x7fe65e0fd6e9
[  527.232723][ T7676] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  527.252439][ T7676] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  527.260957][ T7676] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  527.269215][ T7676] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  527.277410][ T7676] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  527.285399][ T7676] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  527.293562][ T7676] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  527.302000][ T7676]  </TASK>
[  527.320498][ T7677] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  527.329902][ T7676] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.335276][ T7677] CPU: 0 PID: 7677 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  527.353220][ T7677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  527.363324][ T7677] Call Trace:
[  527.366641][ T7677]  <TASK>
[  527.369611][ T7677]  dump_stack_lvl+0x125/0x1b0
[  527.374428][ T7677]  sysfs_warn_dup+0x7f/0xa0
[  527.378982][ T7677]  sysfs_create_dir_ns+0x237/0x290
[  527.384147][ T7677]  ? sysfs_create_mount_point+0xb0/0xb0
[  527.390011][ T7677]  ? spin_bug+0x1d0/0x1d0
[  527.394417][ T7677]  ? class_dir_child_ns_type+0xd/0x60
[  527.399845][ T7677]  kobject_add_internal+0x2c8/0x960
[  527.405201][ T7677]  kobject_add+0x154/0x220
[  527.409701][ T7677]  ? kset_create_and_add+0x190/0x190
[  527.415049][ T7677]  ? do_raw_spin_unlock+0x173/0x230
[  527.420328][ T7677]  ? kobject_put+0xbe/0x440
[  527.424922][ T7677]  device_add+0x289/0x1a90
[  527.429428][ T7677]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  527.436414][ T7677]  ? __init_waitqueue_head+0xca/0x150
[  527.441944][ T7677]  tty_register_device_attr+0x382/0x7c0
[  527.447559][ T7677]  ? lockdep_init_map_type+0x16d/0x7c0
[  527.453064][ T7677]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  527.458987][ T7677]  ? lockdep_init_map_type+0x16d/0x7c0
[  527.464484][ T7677]  ? __raw_spin_lock_init+0x3a/0x110
[  527.469995][ T7677]  ? tty_port_init+0x156/0x1b0
[  527.474905][ T7677]  gsm_activate_mux+0x170/0x2f0
[  527.479810][ T7677]  gsmld_ioctl+0x876/0x1510
[  527.484388][ T7677]  ? gsm_dlci_config+0xf00/0xf00
[  527.489449][ T7677]  ? __ldsem_down_read_nested+0xe4/0x910
[  527.495124][ T7677]  ? __ldsem_down_read_nested+0xf4/0x910
[  527.501074][ T7677]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  527.506741][ T7677]  ? vt_waitactive+0x360/0x360
[  527.511638][ T7677]  ? gsm_dlci_config+0xf00/0xf00
[  527.516872][ T7677]  tty_ioctl+0x6f8/0x1550
[  527.521233][ T7677]  ? send_break+0x3e0/0x3e0
[  527.525769][ T7677]  ? reacquire_held_locks+0x4b0/0x4b0
[  527.531174][ T7677]  ? sigprocmask+0xf1/0x330
[  527.535722][ T7677]  ? do_sigtimedwait+0x5c0/0x5c0
[  527.540717][ T7677]  ? __fget_files+0x272/0x410
[  527.545430][ T7677]  ? bpf_lsm_file_ioctl+0x9/0x10
[  527.550393][ T7677]  ? send_break+0x3e0/0x3e0
[  527.554925][ T7677]  __x64_sys_ioctl+0x18f/0x210
[  527.559725][ T7677]  do_syscall_64+0x38/0xb0
[  527.564253][ T7677]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  527.570263][ T7677] RIP: 0033:0x7fe65e0fd6e9
[  527.574689][ T7677] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  527.595096][ T7677] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  527.603622][ T7677] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  527.611622][ T7677] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  527.619696][ T7677] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  527.627689][ T7677] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  527.635846][ T7677] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  527.643935][ T7677]  </TASK>
[  527.666906][ T7677] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.035537][ T7680] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.064037][ T7680] CPU: 0 PID: 7680 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  528.073406][ T7680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  528.083498][ T7680] Call Trace:
[  528.086824][ T7680]  <TASK>
[  528.089790][ T7680]  dump_stack_lvl+0x125/0x1b0
[  528.094534][ T7680]  sysfs_warn_dup+0x7f/0xa0
[  528.099180][ T7680]  sysfs_create_dir_ns+0x237/0x290
[  528.104346][ T7680]  ? sysfs_create_mount_point+0xb0/0xb0
[  528.110302][ T7680]  ? spin_bug+0x1d0/0x1d0
[  528.114701][ T7680]  ? class_dir_child_ns_type+0xd/0x60
[  528.120136][ T7680]  kobject_add_internal+0x2c8/0x960
[  528.125407][ T7680]  kobject_add+0x154/0x220
[  528.129893][ T7680]  ? kset_create_and_add+0x190/0x190
[  528.135237][ T7680]  ? do_raw_spin_unlock+0x173/0x230
[  528.140498][ T7680]  ? kobject_put+0xbe/0x440
[  528.145166][ T7680]  device_add+0x289/0x1a90
[  528.149754][ T7680]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  528.156769][ T7680]  ? __init_waitqueue_head+0xca/0x150
[  528.162386][ T7680]  tty_register_device_attr+0x382/0x7c0
[  528.168002][ T7680]  ? lockdep_init_map_type+0x16d/0x7c0
[  528.173616][ T7680]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  528.179228][ T7680]  ? lockdep_init_map_type+0x16d/0x7c0
[  528.184848][ T7680]  ? __raw_spin_lock_init+0x3a/0x110
[  528.190204][ T7680]  ? tty_port_init+0x156/0x1b0
[  528.195042][ T7680]  gsm_activate_mux+0x170/0x2f0
[  528.200404][ T7680]  gsmld_ioctl+0x876/0x1510
[  528.205060][ T7680]  ? gsm_dlci_config+0xf00/0xf00
[  528.210502][ T7680]  ? __ldsem_down_read_nested+0xe4/0x910
[  528.216194][ T7680]  ? __ldsem_down_read_nested+0xf4/0x910
[  528.221895][ T7680]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  528.227345][ T7680]  ? vt_waitactive+0x360/0x360
[  528.232184][ T7680]  ? gsm_dlci_config+0xf00/0xf00
[  528.237185][ T7680]  tty_ioctl+0x6f8/0x1550
[  528.241581][ T7680]  ? send_break+0x3e0/0x3e0
[  528.246154][ T7680]  ? reacquire_held_locks+0x4b0/0x4b0
[  528.251854][ T7680]  ? rcu_is_watching+0x12/0xb0
[  528.256686][ T7680]  ? do_one_initcall+0xf0/0x620
[  528.261606][ T7680]  ? __fget_files+0x272/0x410
[  528.266357][ T7680]  ? bpf_lsm_file_ioctl+0x9/0x10
[  528.271349][ T7680]  ? send_break+0x3e0/0x3e0
[  528.275921][ T7680]  __x64_sys_ioctl+0x18f/0x210
[  528.280839][ T7680]  do_syscall_64+0x38/0xb0
[  528.285403][ T7680]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  528.291355][ T7680] RIP: 0033:0x7fe65e0fd6e9
[  528.295817][ T7680] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  528.315574][ T7680] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  528.324132][ T7680] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  528.332143][ T7680] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  528.340181][ T7680] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  528.348287][ T7680] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  528.356395][ T7680] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  528.364445][ T7680]  </TASK>
[  528.368808][ T7680] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.662721][ T7684] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.679737][ T7684] CPU: 0 PID: 7684 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  528.689184][ T7684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  528.699373][ T7684] Call Trace:
[  528.702776][ T7684]  <TASK>
[  528.705755][ T7684]  dump_stack_lvl+0x125/0x1b0
[  528.710585][ T7684]  sysfs_warn_dup+0x7f/0xa0
[  528.714765][ T7685] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.715173][ T7684]  sysfs_create_dir_ns+0x237/0x290
[  528.728753][ T7684]  ? sysfs_create_mount_point+0xb0/0xb0
[  528.734357][ T7684]  ? spin_bug+0x1d0/0x1d0
[  528.738747][ T7684]  ? class_dir_child_ns_type+0xd/0x60
[  528.744344][ T7684]  kobject_add_internal+0x2c8/0x960
[  528.749685][ T7684]  kobject_add+0x154/0x220
[  528.754147][ T7684]  ? kset_create_and_add+0x190/0x190
[  528.759585][ T7684]  ? do_raw_spin_unlock+0x173/0x230
[  528.764929][ T7684]  ? kobject_put+0xbe/0x440
[  528.769488][ T7684]  device_add+0x289/0x1a90
[  528.773967][ T7684]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  528.780862][ T7684]  ? __init_waitqueue_head+0xca/0x150
[  528.786282][ T7684]  tty_register_device_attr+0x382/0x7c0
[  528.792101][ T7684]  ? lockdep_init_map_type+0x16d/0x7c0
[  528.797775][ T7684]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  528.803446][ T7684]  ? lockdep_init_map_type+0x16d/0x7c0
[  528.809045][ T7684]  ? __raw_spin_lock_init+0x3a/0x110
[  528.815065][ T7684]  ? tty_port_init+0x156/0x1b0
[  528.820129][ T7684]  gsm_activate_mux+0x170/0x2f0
[  528.825805][ T7684]  gsmld_ioctl+0x876/0x1510
[  528.830444][ T7684]  ? gsm_dlci_config+0xf00/0xf00
[  528.835436][ T7684]  ? __ldsem_down_read_nested+0xe4/0x910
[  528.841114][ T7684]  ? __ldsem_down_read_nested+0xf4/0x910
[  528.846888][ T7684]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  528.852320][ T7684]  ? vt_waitactive+0x360/0x360
[  528.857146][ T7684]  ? gsm_dlci_config+0xf00/0xf00
[  528.862143][ T7684]  tty_ioctl+0x6f8/0x1550
[  528.866702][ T7684]  ? send_break+0x3e0/0x3e0
[  528.871457][ T7684]  ? reacquire_held_locks+0x4b0/0x4b0
[  528.876944][ T7684]  ? rcu_is_watching+0x12/0xb0
[  528.881771][ T7684]  ? do_one_initcall+0xf0/0x620
[  528.886690][ T7684]  ? __fget_files+0x272/0x410
[  528.891436][ T7684]  ? bpf_lsm_file_ioctl+0x9/0x10
[  528.896440][ T7684]  ? send_break+0x3e0/0x3e0
[  528.901018][ T7684]  __x64_sys_ioctl+0x18f/0x210
[  528.905932][ T7684]  do_syscall_64+0x38/0xb0
[  528.910504][ T7684]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  528.916458][ T7684] RIP: 0033:0x7fe65e0fd6e9
[  528.920923][ T7684] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  528.940672][ T7684] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  528.949219][ T7684] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  528.957235][ T7684] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  528.965246][ T7684] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  528.973257][ T7684] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  528.981362][ T7684] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  528.989574][ T7684]  </TASK>
[  528.992745][ T7685] CPU: 1 PID: 7685 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  529.002087][ T7685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  529.012435][ T7685] Call Trace:
[  529.015816][ T7685]  <TASK>
[  529.018759][ T7685]  dump_stack_lvl+0x125/0x1b0
[  529.023482][ T7685]  sysfs_warn_dup+0x7f/0xa0
[  529.028014][ T7685]  sysfs_create_dir_ns+0x237/0x290
[  529.033234][ T7685]  ? sysfs_create_mount_point+0xb0/0xb0
[  529.038797][ T7685]  ? spin_bug+0x1d0/0x1d0
[  529.043247][ T7685]  ? class_dir_child_ns_type+0xd/0x60
[  529.048643][ T7685]  kobject_add_internal+0x2c8/0x960
[  529.053878][ T7685]  kobject_add+0x154/0x220
[  529.058404][ T7685]  ? kset_create_and_add+0x190/0x190
[  529.063898][ T7685]  ? do_raw_spin_unlock+0x173/0x230
[  529.069322][ T7685]  ? kobject_put+0xbe/0x440
[  529.073993][ T7685]  device_add+0x289/0x1a90
[  529.078445][ T7685]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  529.085568][ T7685]  ? __init_waitqueue_head+0xca/0x150
[  529.090995][ T7685]  tty_register_device_attr+0x382/0x7c0
[  529.096585][ T7685]  ? lockdep_init_map_type+0x16d/0x7c0
[  529.102075][ T7685]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  529.107656][ T7685]  ? lockdep_init_map_type+0x16d/0x7c0
[  529.113150][ T7685]  ? __raw_spin_lock_init+0x3a/0x110
[  529.118465][ T7685]  ? tty_port_init+0x156/0x1b0
[  529.123712][ T7685]  gsm_activate_mux+0x170/0x2f0
[  529.128598][ T7685]  gsmld_ioctl+0x876/0x1510
[  529.133150][ T7685]  ? gsm_dlci_config+0xf00/0xf00
[  529.138219][ T7685]  ? __ldsem_down_read_nested+0xe4/0x910
[  529.144218][ T7685]  ? __ldsem_down_read_nested+0xf4/0x910
[  529.149968][ T7685]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  529.155382][ T7685]  ? vt_waitactive+0x360/0x360
[  529.160353][ T7685]  ? gsm_dlci_config+0xf00/0xf00
[  529.165838][ T7685]  tty_ioctl+0x6f8/0x1550
[  529.170209][ T7685]  ? send_break+0x3e0/0x3e0
[  529.174753][ T7685]  ? reacquire_held_locks+0x4b0/0x4b0
[  529.180152][ T7685]  ? sigprocmask+0xf1/0x330
[  529.184857][ T7685]  ? do_sigtimedwait+0x5c0/0x5c0
[  529.189833][ T7685]  ? __fget_files+0x272/0x410
[  529.194650][ T7685]  ? bpf_lsm_file_ioctl+0x9/0x10
[  529.199613][ T7685]  ? send_break+0x3e0/0x3e0
[  529.204146][ T7685]  __x64_sys_ioctl+0x18f/0x210
[  529.208971][ T7685]  do_syscall_64+0x38/0xb0
[  529.213550][ T7685]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  529.219608][ T7685] RIP: 0033:0x7fe65e0fd6e9
[  529.224060][ T7685] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  529.243957][ T7685] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  529.252571][ T7685] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  529.260639][ T7685] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  529.268802][ T7685] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  529.276792][ T7685] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  529.285846][ T7685] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  529.294178][ T7685]  </TASK>
[  529.325304][ T7684] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.355754][ T7685] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.656502][ T7688] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  529.665752][ T7688] CPU: 1 PID: 7688 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  529.675275][ T7688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  529.685891][ T7688] Call Trace:
[  529.689475][ T7688]  <TASK>
[  529.692446][ T7688]  dump_stack_lvl+0x125/0x1b0
[  529.697178][ T7688]  sysfs_warn_dup+0x7f/0xa0
[  529.701857][ T7688]  sysfs_create_dir_ns+0x237/0x290
[  529.707190][ T7688]  ? sysfs_create_mount_point+0xb0/0xb0
[  529.712862][ T7688]  ? spin_bug+0x1d0/0x1d0
[  529.717224][ T7688]  ? class_dir_child_ns_type+0xd/0x60
[  529.722631][ T7688]  kobject_add_internal+0x2c8/0x960
[  529.727984][ T7688]  kobject_add+0x154/0x220
[  529.732449][ T7688]  ? kset_create_and_add+0x190/0x190
[  529.737784][ T7688]  ? do_raw_spin_unlock+0x173/0x230
[  529.743136][ T7688]  ? kobject_put+0xbe/0x440
[  529.747683][ T7688]  device_add+0x289/0x1a90
[  529.752136][ T7688]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  529.759189][ T7688]  ? __init_waitqueue_head+0xca/0x150
[  529.764593][ T7688]  tty_register_device_attr+0x382/0x7c0
[  529.770265][ T7688]  ? lockdep_init_map_type+0x16d/0x7c0
[  529.775846][ T7688]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  529.781417][ T7688]  ? lockdep_init_map_type+0x16d/0x7c0
[  529.786923][ T7688]  ? __raw_spin_lock_init+0x3a/0x110
[  529.792284][ T7688]  ? tty_port_init+0x156/0x1b0
[  529.797097][ T7688]  gsm_activate_mux+0x170/0x2f0
[  529.801996][ T7688]  gsmld_ioctl+0x876/0x1510
[  529.806570][ T7688]  ? gsm_dlci_config+0xf00/0xf00
[  529.811553][ T7688]  ? __ldsem_down_read_nested+0xe4/0x910
[  529.817212][ T7688]  ? __ldsem_down_read_nested+0xf4/0x910
[  529.822875][ T7688]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  529.828289][ T7688]  ? vt_waitactive+0x360/0x360
[  529.833083][ T7688]  ? gsm_dlci_config+0xf00/0xf00
[  529.838049][ T7688]  tty_ioctl+0x6f8/0x1550
[  529.842415][ T7688]  ? send_break+0x3e0/0x3e0
[  529.846959][ T7688]  ? reacquire_held_locks+0x4b0/0x4b0
[  529.852354][ T7688]  ? rcu_is_watching+0x12/0xb0
[  529.857142][ T7688]  ? do_one_initcall+0xf0/0x620
[  529.862035][ T7688]  ? __fget_files+0x272/0x410
[  529.866764][ T7688]  ? bpf_lsm_file_ioctl+0x9/0x10
[  529.871723][ T7688]  ? send_break+0x3e0/0x3e0
[  529.876255][ T7688]  __x64_sys_ioctl+0x18f/0x210
[  529.881146][ T7688]  do_syscall_64+0x38/0xb0
[  529.885590][ T7688]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  529.891511][ T7688] RIP: 0033:0x7fe65e0fd6e9
[  529.895969][ T7688] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  529.915979][ T7688] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  529.925131][ T7688] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  529.933158][ T7688] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  529.941203][ T7688] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  529.949272][ T7688] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  529.957254][ T7688] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  529.965275][ T7688]  </TASK>
[  529.990659][ T7689] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.022416][ T7689] CPU: 0 PID: 7689 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  530.031790][ T7689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  530.041983][ T7689] Call Trace:
[  530.043522][ T7688] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.045356][ T7689]  <TASK>
[  530.063527][ T7689]  dump_stack_lvl+0x125/0x1b0
[  530.068520][ T7689]  sysfs_warn_dup+0x7f/0xa0
[  530.073434][ T7689]  sysfs_create_dir_ns+0x237/0x290
[  530.078612][ T7689]  ? sysfs_create_mount_point+0xb0/0xb0
[  530.084316][ T7689]  ? spin_bug+0x1d0/0x1d0
[  530.088809][ T7689]  ? class_dir_child_ns_type+0xd/0x60
[  530.094349][ T7689]  kobject_add_internal+0x2c8/0x960
[  530.099702][ T7689]  kobject_add+0x154/0x220
[  530.104182][ T7689]  ? kset_create_and_add+0x190/0x190
[  530.109537][ T7689]  ? do_raw_spin_unlock+0x173/0x230
[  530.114799][ T7689]  ? kobject_put+0xbe/0x440
[  530.119585][ T7689]  device_add+0x289/0x1a90
[  530.124161][ T7689]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  530.131071][ T7689]  ? __init_waitqueue_head+0xca/0x150
[  530.136681][ T7689]  tty_register_device_attr+0x382/0x7c0
[  530.142287][ T7689]  ? lockdep_init_map_type+0x16d/0x7c0
[  530.148099][ T7689]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  530.153682][ T7689]  ? lockdep_init_map_type+0x16d/0x7c0
[  530.159178][ T7689]  ? __raw_spin_lock_init+0x3a/0x110
[  530.164492][ T7689]  ? tty_port_init+0x156/0x1b0
[  530.169366][ T7689]  gsm_activate_mux+0x170/0x2f0
[  530.174250][ T7689]  gsmld_ioctl+0x876/0x1510
[  530.178819][ T7689]  ? gsm_dlci_config+0xf00/0xf00
[  530.183832][ T7689]  ? __ldsem_down_read_nested+0xe4/0x910
[  530.189609][ T7689]  ? __ldsem_down_read_nested+0xf4/0x910
[  530.195311][ T7689]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  530.200807][ T7689]  ? vt_waitactive+0x360/0x360
[  530.205610][ T7689]  ? gsm_dlci_config+0xf00/0xf00
[  530.211444][ T7689]  tty_ioctl+0x6f8/0x1550
[  530.215811][ T7689]  ? send_break+0x3e0/0x3e0
[  530.220471][ T7689]  ? reacquire_held_locks+0x4b0/0x4b0
[  530.225925][ T7689]  ? sigprocmask+0xf1/0x330
[  530.230499][ T7689]  ? do_sigtimedwait+0x5c0/0x5c0
[  530.235485][ T7689]  ? __fget_files+0x272/0x410
[  530.240204][ T7689]  ? bpf_lsm_file_ioctl+0x9/0x10
[  530.245259][ T7689]  ? send_break+0x3e0/0x3e0
[  530.249792][ T7689]  __x64_sys_ioctl+0x18f/0x210
[  530.254592][ T7689]  do_syscall_64+0x38/0xb0
[  530.259036][ T7689]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  530.264955][ T7689] RIP: 0033:0x7fe65e0fd6e9
[  530.269482][ T7689] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  530.289121][ T7689] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  530.297554][ T7689] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  530.305541][ T7689] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  530.313535][ T7689] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  530.321545][ T7689] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  530.329533][ T7689] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  530.337630][ T7689]  </TASK>
[  530.365373][ T7689] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.694697][ T7692] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.708477][ T7692] CPU: 1 PID: 7692 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  530.717749][ T7692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  530.727932][ T7692] Call Trace:
[  530.731234][ T7692]  <TASK>
[  530.734188][ T7692]  dump_stack_lvl+0x125/0x1b0
[  530.738899][ T7692]  sysfs_warn_dup+0x7f/0xa0
[  530.743433][ T7692]  sysfs_create_dir_ns+0x237/0x290
[  530.748562][ T7692]  ? sysfs_create_mount_point+0xb0/0xb0
[  530.754216][ T7692]  ? spin_bug+0x1d0/0x1d0
[  530.758586][ T7692]  ? class_dir_child_ns_type+0xd/0x60
[  530.764087][ T7692]  kobject_add_internal+0x2c8/0x960
[  530.769318][ T7692]  kobject_add+0x154/0x220
[  530.773769][ T7692]  ? kset_create_and_add+0x190/0x190
[  530.779341][ T7692]  ? do_raw_spin_unlock+0x173/0x230
[  530.784840][ T7692]  ? kobject_put+0xbe/0x440
[  530.789377][ T7692]  device_add+0x289/0x1a90
[  530.793912][ T7692]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  530.800792][ T7692]  ? __init_waitqueue_head+0xca/0x150
[  530.806289][ T7692]  tty_register_device_attr+0x382/0x7c0
[  530.811954][ T7692]  ? lockdep_init_map_type+0x16d/0x7c0
[  530.817530][ T7692]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  530.823106][ T7692]  ? lockdep_init_map_type+0x16d/0x7c0
[  530.828607][ T7692]  ? __raw_spin_lock_init+0x3a/0x110
[  530.834021][ T7692]  ? tty_port_init+0x156/0x1b0
[  530.838807][ T7692]  gsm_activate_mux+0x170/0x2f0
[  530.843695][ T7692]  gsmld_ioctl+0x876/0x1510
[  530.848324][ T7692]  ? gsm_dlci_config+0xf00/0xf00
[  530.853383][ T7692]  ? __ldsem_down_read_nested+0xe4/0x910
[  530.859072][ T7692]  ? __ldsem_down_read_nested+0xf4/0x910
[  530.864732][ T7692]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  530.870403][ T7692]  ? vt_waitactive+0x360/0x360
[  530.875201][ T7692]  ? gsm_dlci_config+0xf00/0xf00
[  530.880177][ T7692]  tty_ioctl+0x6f8/0x1550
[  530.884539][ T7692]  ? send_break+0x3e0/0x3e0
[  530.889082][ T7692]  ? reacquire_held_locks+0x4b0/0x4b0
[  530.894486][ T7692]  ? rcu_is_watching+0x12/0xb0
[  530.899360][ T7692]  ? do_one_initcall+0xf0/0x620
[  530.904244][ T7692]  ? __fget_files+0x272/0x410
[  530.909106][ T7692]  ? bpf_lsm_file_ioctl+0x9/0x10
[  530.914079][ T7692]  ? send_break+0x3e0/0x3e0
[  530.918614][ T7692]  __x64_sys_ioctl+0x18f/0x210
[  530.923676][ T7692]  do_syscall_64+0x38/0xb0
[  530.928289][ T7692]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  530.934206][ T7692] RIP: 0033:0x7fe65e0fd6e9
[  530.938641][ T7692] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  530.958442][ T7692] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  530.966876][ T7692] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  530.975017][ T7692] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  530.983308][ T7692] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  530.992093][ T7692] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  531.000291][ T7692] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  531.008825][ T7692]  </TASK>
[  531.014084][ T7692] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.033553][ T7693] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  531.042039][ T7693] CPU: 1 PID: 7693 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  531.051376][ T7693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  531.061912][ T7693] Call Trace:
[  531.065238][ T7693]  <TASK>
[  531.068213][ T7693]  dump_stack_lvl+0x125/0x1b0
[  531.072947][ T7693]  sysfs_warn_dup+0x7f/0xa0
[  531.077509][ T7693]  sysfs_create_dir_ns+0x237/0x290
[  531.082677][ T7693]  ? sysfs_create_mount_point+0xb0/0xb0
[  531.088304][ T7693]  ? spin_bug+0x1d0/0x1d0
[  531.092792][ T7693]  ? class_dir_child_ns_type+0xd/0x60
[  531.098398][ T7693]  kobject_add_internal+0x2c8/0x960
[  531.103754][ T7693]  kobject_add+0x154/0x220
[  531.108234][ T7693]  ? kset_create_and_add+0x190/0x190
[  531.113674][ T7693]  ? do_raw_spin_unlock+0x173/0x230
[  531.118947][ T7693]  ? kobject_put+0xbe/0x440
[  531.123524][ T7693]  device_add+0x289/0x1a90
[  531.128044][ T7693]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  531.134974][ T7693]  ? __init_waitqueue_head+0xca/0x150
[  531.140391][ T7693]  tty_register_device_attr+0x382/0x7c0
[  531.145968][ T7693]  ? lockdep_init_map_type+0x16d/0x7c0
[  531.151715][ T7693]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  531.157983][ T7693]  ? lockdep_init_map_type+0x16d/0x7c0
[  531.163486][ T7693]  ? __raw_spin_lock_init+0x3a/0x110
[  531.168802][ T7693]  ? tty_port_init+0x156/0x1b0
[  531.173596][ T7693]  gsm_activate_mux+0x170/0x2f0
[  531.178480][ T7693]  gsmld_ioctl+0x876/0x1510
[  531.183071][ T7693]  ? gsm_dlci_config+0xf00/0xf00
[  531.188050][ T7693]  ? __ldsem_down_read_nested+0xe4/0x910
[  531.193875][ T7693]  ? __ldsem_down_read_nested+0xf4/0x910
[  531.199534][ T7693]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  531.204976][ T7693]  ? vt_waitactive+0x360/0x360
[  531.209797][ T7693]  ? gsm_dlci_config+0xf00/0xf00
[  531.214861][ T7693]  tty_ioctl+0x6f8/0x1550
[  531.219346][ T7693]  ? send_break+0x3e0/0x3e0
[  531.224018][ T7693]  ? reacquire_held_locks+0x4b0/0x4b0
[  531.229457][ T7693]  ? sigprocmask+0xf1/0x330
[  531.234116][ T7693]  ? do_sigtimedwait+0x5c0/0x5c0
[  531.239125][ T7693]  ? __fget_files+0x272/0x410
[  531.244095][ T7693]  ? bpf_lsm_file_ioctl+0x9/0x10
[  531.249094][ T7693]  ? send_break+0x3e0/0x3e0
[  531.253648][ T7693]  __x64_sys_ioctl+0x18f/0x210
[  531.258463][ T7693]  do_syscall_64+0x38/0xb0
[  531.263061][ T7693]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  531.269002][ T7693] RIP: 0033:0x7fe65e0fd6e9
[  531.273553][ T7693] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  531.294862][ T7693] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  531.303314][ T7693] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  531.311393][ T7693] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  531.319379][ T7693] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  531.327455][ T7693] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  531.335544][ T7693] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  531.343577][ T7693]  </TASK>
[  531.350438][ T7693] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.769869][ T7696] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  531.778688][ T7696] CPU: 0 PID: 7696 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  531.787948][ T7696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  531.798046][ T7696] Call Trace:
[  531.801361][ T7696]  <TASK>
[  531.804327][ T7696]  dump_stack_lvl+0x125/0x1b0
[  531.809060][ T7696]  sysfs_warn_dup+0x7f/0xa0
[  531.813795][ T7696]  sysfs_create_dir_ns+0x237/0x290
[  531.819139][ T7696]  ? sysfs_create_mount_point+0xb0/0xb0
[  531.824746][ T7696]  ? spin_bug+0x1d0/0x1d0
[  531.829172][ T7696]  ? class_dir_child_ns_type+0xd/0x60
[  531.834602][ T7696]  kobject_add_internal+0x2c8/0x960
[  531.839876][ T7696]  kobject_add+0x154/0x220
[  531.844346][ T7696]  ? kset_create_and_add+0x190/0x190
[  531.849692][ T7696]  ? do_raw_spin_unlock+0x173/0x230
[  531.854980][ T7696]  ? kobject_put+0xbe/0x440
[  531.859638][ T7696]  device_add+0x289/0x1a90
[  531.864297][ T7696]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  531.871735][ T7696]  ? __init_waitqueue_head+0xca/0x150
[  531.877541][ T7696]  tty_register_device_attr+0x382/0x7c0
[  531.883338][ T7696]  ? lockdep_init_map_type+0x16d/0x7c0
[  531.889216][ T7696]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  531.895086][ T7696]  ? lockdep_init_map_type+0x16d/0x7c0
[  531.900979][ T7696]  ? __raw_spin_lock_init+0x3a/0x110
[  531.906506][ T7696]  ? tty_port_init+0x156/0x1b0
[  531.911417][ T7696]  gsm_activate_mux+0x170/0x2f0
[  531.916601][ T7696]  gsmld_ioctl+0x876/0x1510
[  531.921270][ T7696]  ? gsm_dlci_config+0xf00/0xf00
[  531.926279][ T7696]  ? __ldsem_down_read_nested+0xe4/0x910
[  531.931968][ T7696]  ? __ldsem_down_read_nested+0xf4/0x910
[  531.937697][ T7696]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  531.943143][ T7696]  ? vt_waitactive+0x360/0x360
[  531.947983][ T7696]  ? gsm_dlci_config+0xf00/0xf00
[  531.952985][ T7696]  tty_ioctl+0x6f8/0x1550
[  531.957379][ T7696]  ? send_break+0x3e0/0x3e0
[  531.961936][ T7696]  ? reacquire_held_locks+0x4b0/0x4b0
[  531.967374][ T7696]  ? rcu_is_watching+0x12/0xb0
[  531.972725][ T7696]  ? do_one_initcall+0xf0/0x620
[  531.978120][ T7696]  ? __fget_files+0x272/0x410
[  531.983317][ T7696]  ? bpf_lsm_file_ioctl+0x9/0x10
[  531.988405][ T7696]  ? send_break+0x3e0/0x3e0
[  531.993060][ T7696]  __x64_sys_ioctl+0x18f/0x210
[  531.997993][ T7696]  do_syscall_64+0x38/0xb0
[  532.002557][ T7696]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  532.008876][ T7696] RIP: 0033:0x7fe65e0fd6e9
[  532.013510][ T7696] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  532.033514][ T7696] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  532.041984][ T7696] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  532.050694][ T7696] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  532.058988][ T7696] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  532.067116][ T7696] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  532.075307][ T7696] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  532.083346][ T7696]  </TASK>
[  532.102565][ T7696] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.405060][ T7699] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.415475][ T7699] CPU: 0 PID: 7699 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  532.424913][ T7699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  532.435185][ T7699] Call Trace:
[  532.438496][ T7699]  <TASK>
[  532.441460][ T7699]  dump_stack_lvl+0x125/0x1b0
[  532.446192][ T7699]  sysfs_warn_dup+0x7f/0xa0
[  532.450750][ T7699]  sysfs_create_dir_ns+0x237/0x290
[  532.455920][ T7699]  ? sysfs_create_mount_point+0xb0/0xb0
[  532.461640][ T7699]  ? spin_bug+0x1d0/0x1d0
[  532.466047][ T7699]  ? class_dir_child_ns_type+0xd/0x60
[  532.471737][ T7699]  kobject_add_internal+0x2c8/0x960
[  532.477001][ T7699]  kobject_add+0x154/0x220
[  532.481480][ T7699]  ? kset_create_and_add+0x190/0x190
[  532.486837][ T7699]  ? do_raw_spin_unlock+0x173/0x230
[  532.492107][ T7699]  ? kobject_put+0xbe/0x440
[  532.496672][ T7699]  device_add+0x289/0x1a90
[  532.501166][ T7699]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  532.508139][ T7699]  ? __init_waitqueue_head+0xca/0x150
[  532.513598][ T7699]  tty_register_device_attr+0x382/0x7c0
[  532.519215][ T7699]  ? lockdep_init_map_type+0x16d/0x7c0
[  532.524870][ T7699]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  532.530583][ T7699]  ? lockdep_init_map_type+0x16d/0x7c0
[  532.536114][ T7699]  ? __raw_spin_lock_init+0x3a/0x110
[  532.541467][ T7699]  ? tty_port_init+0x156/0x1b0
[  532.546294][ T7699]  gsm_activate_mux+0x170/0x2f0
[  532.551217][ T7699]  gsmld_ioctl+0x876/0x1510
[  532.555808][ T7699]  ? gsm_dlci_config+0xf00/0xf00
[  532.560819][ T7699]  ? __ldsem_down_read_nested+0xe4/0x910
[  532.566600][ T7699]  ? __ldsem_down_read_nested+0xf4/0x910
[  532.572571][ T7699]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  532.578101][ T7699]  ? vt_waitactive+0x360/0x360
[  532.583022][ T7699]  ? gsm_dlci_config+0xf00/0xf00
[  532.588020][ T7699]  tty_ioctl+0x6f8/0x1550
[  532.592406][ T7699]  ? send_break+0x3e0/0x3e0
[  532.597060][ T7699]  ? reacquire_held_locks+0x4b0/0x4b0
[  532.602487][ T7699]  ? rcu_is_watching+0x12/0xb0
[  532.607312][ T7699]  ? do_one_initcall+0xf0/0x620
[  532.612231][ T7699]  ? __fget_files+0x272/0x410
[  532.616979][ T7699]  ? bpf_lsm_file_ioctl+0x9/0x10
[  532.621976][ T7699]  ? send_break+0x3e0/0x3e0
[  532.626548][ T7699]  __x64_sys_ioctl+0x18f/0x210
[  532.631376][ T7699]  do_syscall_64+0x38/0xb0
[  532.635845][ T7699]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  532.642159][ T7699] RIP: 0033:0x7fe65e0fd6e9
[  532.646788][ T7699] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  532.666558][ T7699] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  532.675282][ T7699] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  532.683656][ T7699] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  532.691846][ T7699] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  532.699861][ T7699] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  532.707883][ T7699] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  532.716006][ T7699]  </TASK>
[  532.748583][ T7699] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.023237][ T7704] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  533.042276][ T7704] CPU: 1 PID: 7704 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  533.051553][ T7704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  533.061735][ T7704] Call Trace:
[  533.065044][ T7704]  <TASK>
[  533.067985][ T7704]  dump_stack_lvl+0x125/0x1b0
[  533.073072][ T7704]  sysfs_warn_dup+0x7f/0xa0
[  533.077771][ T7704]  sysfs_create_dir_ns+0x237/0x290
[  533.082903][ T7704]  ? sysfs_create_mount_point+0xb0/0xb0
[  533.088646][ T7704]  ? spin_bug+0x1d0/0x1d0
[  533.093096][ T7704]  ? class_dir_child_ns_type+0xd/0x60
[  533.098491][ T7704]  kobject_add_internal+0x2c8/0x960
[  533.103725][ T7704]  kobject_add+0x154/0x220
[  533.108164][ T7704]  ? kset_create_and_add+0x190/0x190
[  533.113476][ T7704]  ? do_raw_spin_unlock+0x173/0x230
[  533.118795][ T7704]  ? kobject_put+0xbe/0x440
[  533.123328][ T7704]  device_add+0x289/0x1a90
[  533.127777][ T7704]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  533.134747][ T7704]  ? __init_waitqueue_head+0xca/0x150
[  533.140153][ T7704]  tty_register_device_attr+0x382/0x7c0
[  533.145731][ T7704]  ? lockdep_init_map_type+0x16d/0x7c0
[  533.151218][ T7704]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  533.156788][ T7704]  ? lockdep_init_map_type+0x16d/0x7c0
[  533.162282][ T7704]  ? __raw_spin_lock_init+0x3a/0x110
[  533.168032][ T7704]  ? tty_port_init+0x156/0x1b0
[  533.173167][ T7704]  gsm_activate_mux+0x170/0x2f0
[  533.178066][ T7704]  gsmld_ioctl+0x876/0x1510
[  533.182871][ T7704]  ? gsm_dlci_config+0xf00/0xf00
[  533.187873][ T7704]  ? __ldsem_down_read_nested+0xe4/0x910
[  533.193552][ T7704]  ? __ldsem_down_read_nested+0xf4/0x910
[  533.199916][ T7704]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  533.205596][ T7704]  ? vt_waitactive+0x360/0x360
[  533.210393][ T7704]  ? gsm_dlci_config+0xf00/0xf00
[  533.215889][ T7704]  tty_ioctl+0x6f8/0x1550
[  533.220255][ T7704]  ? send_break+0x3e0/0x3e0
[  533.224785][ T7704]  ? reacquire_held_locks+0x4b0/0x4b0
[  533.230194][ T7704]  ? rcu_is_watching+0x12/0xb0
[  533.235066][ T7704]  ? do_one_initcall+0xf0/0x620
[  533.239956][ T7704]  ? __fget_files+0x272/0x410
[  533.244680][ T7704]  ? bpf_lsm_file_ioctl+0x9/0x10
[  533.249642][ T7704]  ? send_break+0x3e0/0x3e0
[  533.254481][ T7704]  __x64_sys_ioctl+0x18f/0x210
[  533.259291][ T7704]  do_syscall_64+0x38/0xb0
[  533.263725][ T7704]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  533.269648][ T7704] RIP: 0033:0x7fe65e0fd6e9
[  533.274076][ T7704] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  533.294166][ T7704] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  533.302869][ T7704] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  533.310867][ T7704] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  533.319750][ T7704] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  533.328234][ T7704] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  533.336220][ T7704] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  533.344222][ T7704]  </TASK>
[  533.351971][ T7704] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.367434][ T7705] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  533.398800][ T7705] CPU: 0 PID: 7705 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  533.408339][ T7705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  533.418795][ T7705] Call Trace:
[  533.422285][ T7705]  <TASK>
[  533.425254][ T7705]  dump_stack_lvl+0x125/0x1b0
[  533.429997][ T7705]  sysfs_warn_dup+0x7f/0xa0
[  533.434563][ T7705]  sysfs_create_dir_ns+0x237/0x290
[  533.439822][ T7705]  ? sysfs_create_mount_point+0xb0/0xb0
[  533.445698][ T7705]  ? spin_bug+0x1d0/0x1d0
[  533.450091][ T7705]  ? class_dir_child_ns_type+0xd/0x60
[  533.455536][ T7705]  kobject_add_internal+0x2c8/0x960
[  533.460900][ T7705]  kobject_add+0x154/0x220
[  533.465376][ T7705]  ? kset_create_and_add+0x190/0x190
[  533.470815][ T7705]  ? do_raw_spin_unlock+0x173/0x230
[  533.476102][ T7705]  ? kobject_put+0xbe/0x440
[  533.480846][ T7705]  device_add+0x289/0x1a90
[  533.485439][ T7705]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  533.492790][ T7705]  ? __init_waitqueue_head+0xca/0x150
[  533.498238][ T7705]  tty_register_device_attr+0x382/0x7c0
[  533.504211][ T7705]  ? lockdep_init_map_type+0x16d/0x7c0
[  533.509828][ T7705]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  533.515417][ T7705]  ? lockdep_init_map_type+0x16d/0x7c0
[  533.520998][ T7705]  ? __raw_spin_lock_init+0x3a/0x110
[  533.526313][ T7705]  ? tty_port_init+0x156/0x1b0
[  533.531102][ T7705]  gsm_activate_mux+0x170/0x2f0
[  533.536187][ T7705]  gsmld_ioctl+0x876/0x1510
[  533.540773][ T7705]  ? gsm_dlci_config+0xf00/0xf00
[  533.545798][ T7705]  ? __ldsem_down_read_nested+0xe4/0x910
[  533.551483][ T7705]  ? __ldsem_down_read_nested+0xf4/0x910
[  533.557148][ T7705]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  533.562652][ T7705]  ? vt_waitactive+0x360/0x360
[  533.567473][ T7705]  ? gsm_dlci_config+0xf00/0xf00
[  533.572444][ T7705]  tty_ioctl+0x6f8/0x1550
[  533.576810][ T7705]  ? send_break+0x3e0/0x3e0
[  533.581371][ T7705]  ? reacquire_held_locks+0x4b0/0x4b0
[  533.586784][ T7705]  ? sigprocmask+0xf1/0x330
[  533.591319][ T7705]  ? do_sigtimedwait+0x5c0/0x5c0
[  533.596296][ T7705]  ? __fget_files+0x272/0x410
[  533.601125][ T7705]  ? bpf_lsm_file_ioctl+0x9/0x10
[  533.606268][ T7705]  ? send_break+0x3e0/0x3e0
[  533.610803][ T7705]  __x64_sys_ioctl+0x18f/0x210
[  533.615696][ T7705]  do_syscall_64+0x38/0xb0
[  533.620582][ T7705]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  533.626564][ T7705] RIP: 0033:0x7fe65e0fd6e9
[  533.631002][ T7705] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  533.651414][ T7705] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  533.660115][ T7705] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  533.668192][ T7705] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  533.676267][ T7705] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  533.686093][ T7705] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  533.694085][ T7705] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  533.702291][ T7705]  </TASK>
[  533.764740][ T7705] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.078021][ T7708] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  534.090276][ T7708] CPU: 0 PID: 7708 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  534.099543][ T7708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  534.109722][ T7708] Call Trace:
[  534.113125][ T7708]  <TASK>
[  534.116273][ T7708]  dump_stack_lvl+0x125/0x1b0
[  534.121442][ T7708]  sysfs_warn_dup+0x7f/0xa0
[  534.126008][ T7708]  sysfs_create_dir_ns+0x237/0x290
[  534.131174][ T7708]  ? sysfs_create_mount_point+0xb0/0xb0
[  534.136781][ T7708]  ? spin_bug+0x1d0/0x1d0
[  534.141180][ T7708]  ? class_dir_child_ns_type+0xd/0x60
[  534.146709][ T7708]  kobject_add_internal+0x2c8/0x960
[  534.151959][ T7708]  kobject_add+0x154/0x220
[  534.156404][ T7708]  ? kset_create_and_add+0x190/0x190
[  534.161717][ T7708]  ? do_raw_spin_unlock+0x173/0x230
[  534.167219][ T7708]  ? kobject_put+0xbe/0x440
[  534.171851][ T7708]  device_add+0x289/0x1a90
[  534.176301][ T7708]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  534.183184][ T7708]  ? __init_waitqueue_head+0xca/0x150
[  534.188763][ T7708]  tty_register_device_attr+0x382/0x7c0
[  534.194347][ T7708]  ? lockdep_init_map_type+0x16d/0x7c0
[  534.200006][ T7708]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  534.205578][ T7708]  ? lockdep_init_map_type+0x16d/0x7c0
[  534.211076][ T7708]  ? __raw_spin_lock_init+0x3a/0x110
[  534.216496][ T7708]  ? tty_port_init+0x156/0x1b0
[  534.221299][ T7708]  gsm_activate_mux+0x170/0x2f0
[  534.226196][ T7708]  gsmld_ioctl+0x876/0x1510
[  534.230751][ T7708]  ? gsm_dlci_config+0xf00/0xf00
[  534.235732][ T7708]  ? __ldsem_down_read_nested+0xe4/0x910
[  534.241488][ T7708]  ? __ldsem_down_read_nested+0xf4/0x910
[  534.247244][ T7708]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  534.252808][ T7708]  ? vt_waitactive+0x360/0x360
[  534.257661][ T7708]  ? gsm_dlci_config+0xf00/0xf00
[  534.262865][ T7708]  tty_ioctl+0x6f8/0x1550
[  534.267238][ T7708]  ? send_break+0x3e0/0x3e0
[  534.271794][ T7708]  ? reacquire_held_locks+0x4b0/0x4b0
[  534.277221][ T7708]  ? rcu_is_watching+0x12/0xb0
[  534.282017][ T7708]  ? do_one_initcall+0xf0/0x620
[  534.286912][ T7708]  ? __fget_files+0x272/0x410
[  534.291629][ T7708]  ? bpf_lsm_file_ioctl+0x9/0x10
[  534.296600][ T7708]  ? send_break+0x3e0/0x3e0
[  534.301134][ T7708]  __x64_sys_ioctl+0x18f/0x210
[  534.305943][ T7708]  do_syscall_64+0x38/0xb0
[  534.310387][ T7708]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  534.316403][ T7708] RIP: 0033:0x7fe65e0fd6e9
[  534.321013][ T7708] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  534.340760][ T7708] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  534.349987][ T7708] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  534.358152][ T7708] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  534.366135][ T7708] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  534.374158][ T7708] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  534.382142][ T7708] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  534.390410][ T7708]  </TASK>
[  534.397771][ T7708] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.417200][ T7709] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  534.447208][ T7709] CPU: 0 PID: 7709 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  534.456515][ T7709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  534.466612][ T7709] Call Trace:
[  534.469943][ T7709]  <TASK>
[  534.472923][ T7709]  dump_stack_lvl+0x125/0x1b0
[  534.477662][ T7709]  sysfs_warn_dup+0x7f/0xa0
[  534.482313][ T7709]  sysfs_create_dir_ns+0x237/0x290
[  534.487656][ T7709]  ? sysfs_create_mount_point+0xb0/0xb0
[  534.493347][ T7709]  ? spin_bug+0x1d0/0x1d0
[  534.497774][ T7709]  ? class_dir_child_ns_type+0xd/0x60
[  534.503214][ T7709]  kobject_add_internal+0x2c8/0x960
[  534.508486][ T7709]  kobject_add+0x154/0x220
[  534.513060][ T7709]  ? kset_create_and_add+0x190/0x190
[  534.518417][ T7709]  ? do_raw_spin_unlock+0x173/0x230
[  534.523696][ T7709]  ? kobject_put+0xbe/0x440
[  534.528361][ T7709]  device_add+0x289/0x1a90
[  534.532846][ T7709]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  534.539782][ T7709]  ? __init_waitqueue_head+0xca/0x150
[  534.545332][ T7709]  tty_register_device_attr+0x382/0x7c0
[  534.551045][ T7709]  ? lockdep_init_map_type+0x16d/0x7c0
[  534.556570][ T7709]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  534.562264][ T7709]  ? lockdep_init_map_type+0x16d/0x7c0
[  534.567793][ T7709]  ? __raw_spin_lock_init+0x3a/0x110
[  534.573339][ T7709]  ? tty_port_init+0x156/0x1b0
[  534.578431][ T7709]  gsm_activate_mux+0x170/0x2f0
[  534.583528][ T7709]  gsmld_ioctl+0x876/0x1510
[  534.588108][ T7709]  ? gsm_dlci_config+0xf00/0xf00
[  534.593204][ T7709]  ? __ldsem_down_read_nested+0xe4/0x910
[  534.598910][ T7709]  ? __ldsem_down_read_nested+0xf4/0x910
[  534.604796][ T7709]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  534.610338][ T7709]  ? vt_waitactive+0x360/0x360
[  534.615173][ T7709]  ? gsm_dlci_config+0xf00/0xf00
[  534.620190][ T7709]  tty_ioctl+0x6f8/0x1550
[  534.624684][ T7709]  ? send_break+0x3e0/0x3e0
[  534.629519][ T7709]  ? reacquire_held_locks+0x4b0/0x4b0
[  534.635041][ T7709]  ? sigprocmask+0xf1/0x330
[  534.639616][ T7709]  ? do_sigtimedwait+0x5c0/0x5c0
[  534.644631][ T7709]  ? __fget_files+0x272/0x410
[  534.649462][ T7709]  ? bpf_lsm_file_ioctl+0x9/0x10
[  534.654471][ T7709]  ? send_break+0x3e0/0x3e0
[  534.659038][ T7709]  __x64_sys_ioctl+0x18f/0x210
[  534.664131][ T7709]  do_syscall_64+0x38/0xb0
[  534.668806][ T7709]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  534.675294][ T7709] RIP: 0033:0x7fe65e0fd6e9
[  534.679929][ T7709] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  534.699584][ T7709] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  534.708152][ T7709] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  534.716219][ T7709] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  534.724237][ T7709] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  534.732220][ T7709] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  534.740213][ T7709] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  534.748211][ T7709]  </TASK>
[  534.751734][ T7709] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.037454][ T7712] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  535.052324][ T7712] CPU: 0 PID: 7712 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  535.062468][ T7712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  535.073006][ T7712] Call Trace:
[  535.076313][ T7712]  <TASK>
[  535.079275][ T7712]  dump_stack_lvl+0x125/0x1b0
[  535.084007][ T7712]  sysfs_warn_dup+0x7f/0xa0
[  535.088579][ T7712]  sysfs_create_dir_ns+0x237/0x290
[  535.093926][ T7712]  ? sysfs_create_mount_point+0xb0/0xb0
[  535.099709][ T7712]  ? spin_bug+0x1d0/0x1d0
[  535.104105][ T7712]  ? class_dir_child_ns_type+0xd/0x60
[  535.109531][ T7712]  kobject_add_internal+0x2c8/0x960
[  535.114944][ T7712]  kobject_add+0x154/0x220
[  535.119384][ T7712]  ? kset_create_and_add+0x190/0x190
[  535.124789][ T7712]  ? do_raw_spin_unlock+0x173/0x230
[  535.130018][ T7712]  ? kobject_put+0xbe/0x440
[  535.134567][ T7712]  device_add+0x289/0x1a90
[  535.139109][ T7712]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  535.145994][ T7712]  ? __init_waitqueue_head+0xca/0x150
[  535.151398][ T7712]  tty_register_device_attr+0x382/0x7c0
[  535.157157][ T7712]  ? lockdep_init_map_type+0x16d/0x7c0
[  535.162651][ T7712]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  535.168310][ T7712]  ? lockdep_init_map_type+0x16d/0x7c0
[  535.173982][ T7712]  ? __raw_spin_lock_init+0x3a/0x110
[  535.179295][ T7712]  ? tty_port_init+0x156/0x1b0
[  535.184094][ T7712]  gsm_activate_mux+0x170/0x2f0
[  535.189068][ T7712]  gsmld_ioctl+0x876/0x1510
[  535.193673][ T7712]  ? gsm_dlci_config+0xf00/0xf00
[  535.198835][ T7712]  ? __ldsem_down_read_nested+0xe4/0x910
[  535.204630][ T7712]  ? __ldsem_down_read_nested+0xf4/0x910
[  535.210302][ T7712]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  535.215752][ T7712]  ? vt_waitactive+0x360/0x360
[  535.220663][ T7712]  ? gsm_dlci_config+0xf00/0xf00
[  535.225649][ T7712]  tty_ioctl+0x6f8/0x1550
[  535.230019][ T7712]  ? send_break+0x3e0/0x3e0
[  535.234598][ T7712]  ? reacquire_held_locks+0x4b0/0x4b0
[  535.240082][ T7712]  ? rcu_is_watching+0x12/0xb0
[  535.244868][ T7712]  ? do_one_initcall+0xf0/0x620
[  535.249880][ T7712]  ? __fget_files+0x272/0x410
[  535.254683][ T7712]  ? bpf_lsm_file_ioctl+0x9/0x10
[  535.259649][ T7712]  ? send_break+0x3e0/0x3e0
[  535.264181][ T7712]  __x64_sys_ioctl+0x18f/0x210
[  535.268987][ T7712]  do_syscall_64+0x38/0xb0
[  535.273530][ T7712]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  535.279475][ T7712] RIP: 0033:0x7fe65e0fd6e9
[  535.283931][ T7712] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  535.303843][ T7712] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  535.312305][ T7712] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  535.320375][ T7712] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  535.328403][ T7712] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  535.336414][ T7712] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  535.344405][ T7712] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  535.352420][ T7712]  </TASK>
[  535.356614][ T7713] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  535.365252][ T7713] CPU: 0 PID: 7713 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  535.374519][ T7713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  535.384611][ T7713] Call Trace:
[  535.387924][ T7713]  <TASK>
[  535.391063][ T7713]  dump_stack_lvl+0x125/0x1b0
[  535.395976][ T7713]  sysfs_warn_dup+0x7f/0xa0
[  535.400709][ T7713]  sysfs_create_dir_ns+0x237/0x290
[  535.401953][ T7712] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.405856][ T7713]  ? sysfs_create_mount_point+0xb0/0xb0
[  535.405892][ T7713]  ? spin_bug+0x1d0/0x1d0
[  535.430439][ T7713]  ? class_dir_child_ns_type+0xd/0x60
[  535.435847][ T7713]  kobject_add_internal+0x2c8/0x960
[  535.441083][ T7713]  kobject_add+0x154/0x220
[  535.445605][ T7713]  ? kset_create_and_add+0x190/0x190
[  535.451042][ T7713]  ? do_raw_spin_unlock+0x173/0x230
[  535.456268][ T7713]  ? kobject_put+0xbe/0x440
[  535.460984][ T7713]  device_add+0x289/0x1a90
[  535.465442][ T7713]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  535.472418][ T7713]  ? __init_waitqueue_head+0xca/0x150
[  535.477910][ T7713]  tty_register_device_attr+0x382/0x7c0
[  535.483574][ T7713]  ? lockdep_init_map_type+0x16d/0x7c0
[  535.489146][ T7713]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  535.494806][ T7713]  ? lockdep_init_map_type+0x16d/0x7c0
[  535.500294][ T7713]  ? __raw_spin_lock_init+0x3a/0x110
[  535.505956][ T7713]  ? tty_port_init+0x156/0x1b0
[  535.511006][ T7713]  gsm_activate_mux+0x170/0x2f0
[  535.515975][ T7713]  gsmld_ioctl+0x876/0x1510
[  535.520527][ T7713]  ? gsm_dlci_config+0xf00/0xf00
[  535.525591][ T7713]  ? __ldsem_down_read_nested+0xe4/0x910
[  535.531333][ T7713]  ? __ldsem_down_read_nested+0xf4/0x910
[  535.537112][ T7713]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  535.542606][ T7713]  ? vt_waitactive+0x360/0x360
[  535.547402][ T7713]  ? gsm_dlci_config+0xf00/0xf00
[  535.552637][ T7713]  tty_ioctl+0x6f8/0x1550
[  535.556999][ T7713]  ? send_break+0x3e0/0x3e0
[  535.561531][ T7713]  ? reacquire_held_locks+0x4b0/0x4b0
[  535.566927][ T7713]  ? sigprocmask+0xf1/0x330
[  535.571466][ T7713]  ? do_sigtimedwait+0x5c0/0x5c0
[  535.576441][ T7713]  ? __fget_files+0x272/0x410
[  535.581427][ T7713]  ? bpf_lsm_file_ioctl+0x9/0x10
[  535.586473][ T7713]  ? send_break+0x3e0/0x3e0
[  535.591020][ T7713]  __x64_sys_ioctl+0x18f/0x210
[  535.595910][ T7713]  do_syscall_64+0x38/0xb0
[  535.600352][ T7713]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  535.606711][ T7713] RIP: 0033:0x7fe65e0fd6e9
[  535.611139][ T7713] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  535.631031][ T7713] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  535.639464][ T7713] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  535.647446][ T7713] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  535.655782][ T7713] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  535.663856][ T7713] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  535.671925][ T7713] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  535.679928][ T7713]  </TASK>
[  535.770300][ T7713] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.071231][ T7716] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.081468][ T7716] CPU: 0 PID: 7716 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  536.090760][ T7716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  536.100951][ T7716] Call Trace:
[  536.104269][ T7716]  <TASK>
[  536.107239][ T7716]  dump_stack_lvl+0x125/0x1b0
[  536.111977][ T7716]  sysfs_warn_dup+0x7f/0xa0
[  536.116545][ T7716]  sysfs_create_dir_ns+0x237/0x290
[  536.121716][ T7716]  ? sysfs_create_mount_point+0xb0/0xb0
[  536.127324][ T7716]  ? spin_bug+0x1d0/0x1d0
[  536.131789][ T7716]  ? class_dir_child_ns_type+0xd/0x60
[  536.137274][ T7716]  kobject_add_internal+0x2c8/0x960
[  536.142707][ T7716]  kobject_add+0x154/0x220
[  536.147270][ T7716]  ? kset_create_and_add+0x190/0x190
[  536.152610][ T7716]  ? do_raw_spin_unlock+0x173/0x230
[  536.158049][ T7716]  ? kobject_put+0xbe/0x440
[  536.162791][ T7716]  device_add+0x289/0x1a90
[  536.167262][ T7716]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  536.174232][ T7716]  ? __init_waitqueue_head+0xca/0x150
[  536.179637][ T7716]  tty_register_device_attr+0x382/0x7c0
[  536.185215][ T7716]  ? lockdep_init_map_type+0x16d/0x7c0
[  536.190703][ T7716]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  536.196302][ T7716]  ? lockdep_init_map_type+0x16d/0x7c0
[  536.202060][ T7716]  ? __raw_spin_lock_init+0x3a/0x110
[  536.207491][ T7716]  ? tty_port_init+0x156/0x1b0
[  536.212275][ T7716]  gsm_activate_mux+0x170/0x2f0
[  536.217160][ T7716]  gsmld_ioctl+0x876/0x1510
[  536.221699][ T7716]  ? gsm_dlci_config+0xf00/0xf00
[  536.226756][ T7716]  ? __ldsem_down_read_nested+0xe4/0x910
[  536.232496][ T7716]  ? __ldsem_down_read_nested+0xf4/0x910
[  536.238180][ T7716]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  536.243587][ T7716]  ? vt_waitactive+0x360/0x360
[  536.248385][ T7716]  ? gsm_dlci_config+0xf00/0xf00
[  536.253437][ T7716]  tty_ioctl+0x6f8/0x1550
[  536.257835][ T7716]  ? send_break+0x3e0/0x3e0
[  536.262719][ T7716]  ? reacquire_held_locks+0x4b0/0x4b0
[  536.268200][ T7716]  ? rcu_is_watching+0x12/0xb0
[  536.273332][ T7716]  ? do_one_initcall+0xf0/0x620
[  536.278217][ T7716]  ? __fget_files+0x272/0x410
[  536.283061][ T7716]  ? bpf_lsm_file_ioctl+0x9/0x10
[  536.288042][ T7716]  ? send_break+0x3e0/0x3e0
[  536.292939][ T7716]  __x64_sys_ioctl+0x18f/0x210
[  536.298008][ T7716]  do_syscall_64+0x38/0xb0
[  536.302717][ T7716]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  536.308640][ T7716] RIP: 0033:0x7fe65e0fd6e9
[  536.313251][ T7716] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  536.333235][ T7716] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  536.342318][ T7716] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  536.351833][ T7716] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  536.360110][ T7716] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  536.368324][ T7716] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  536.376421][ T7716] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  536.385664][ T7716]  </TASK>
[  536.402562][ T7717] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.411522][ T7717] CPU: 0 PID: 7717 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  536.413913][ T7716] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.420930][ T7717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  536.420956][ T7717] Call Trace:
[  536.420968][ T7717]  <TASK>
[  536.420980][ T7717]  dump_stack_lvl+0x125/0x1b0
[  536.421019][ T7717]  sysfs_warn_dup+0x7f/0xa0
[  536.461242][ T7717]  sysfs_create_dir_ns+0x237/0x290
[  536.466516][ T7717]  ? sysfs_create_mount_point+0xb0/0xb0
[  536.472308][ T7717]  ? spin_bug+0x1d0/0x1d0
[  536.476987][ T7717]  ? class_dir_child_ns_type+0xd/0x60
[  536.482605][ T7717]  kobject_add_internal+0x2c8/0x960
[  536.488137][ T7717]  kobject_add+0x154/0x220
[  536.492757][ T7717]  ? kset_create_and_add+0x190/0x190
[  536.498283][ T7717]  ? do_raw_spin_unlock+0x173/0x230
[  536.503859][ T7717]  ? kobject_put+0xbe/0x440
[  536.508441][ T7717]  device_add+0x289/0x1a90
[  536.513470][ T7717]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  536.520562][ T7717]  ? __init_waitqueue_head+0xca/0x150
[  536.526029][ T7717]  tty_register_device_attr+0x382/0x7c0
[  536.531648][ T7717]  ? lockdep_init_map_type+0x16d/0x7c0
[  536.537308][ T7717]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  536.543092][ T7717]  ? lockdep_init_map_type+0x16d/0x7c0
[  536.548725][ T7717]  ? __raw_spin_lock_init+0x3a/0x110
[  536.554347][ T7717]  ? tty_port_init+0x156/0x1b0
[  536.559259][ T7717]  gsm_activate_mux+0x170/0x2f0
[  536.564438][ T7717]  gsmld_ioctl+0x876/0x1510
[  536.569211][ T7717]  ? gsm_dlci_config+0xf00/0xf00
[  536.574457][ T7717]  ? __ldsem_down_read_nested+0xe4/0x910
[  536.580371][ T7717]  ? __ldsem_down_read_nested+0xf4/0x910
[  536.587082][ T7717]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  536.592499][ T7717]  ? vt_waitactive+0x360/0x360
[  536.597392][ T7717]  ? gsm_dlci_config+0xf00/0xf00
[  536.602446][ T7717]  tty_ioctl+0x6f8/0x1550
[  536.606873][ T7717]  ? send_break+0x3e0/0x3e0
[  536.611585][ T7717]  ? reacquire_held_locks+0x4b0/0x4b0
[  536.617022][ T7717]  ? sigprocmask+0xf1/0x330
[  536.621647][ T7717]  ? do_sigtimedwait+0x5c0/0x5c0
[  536.626723][ T7717]  ? __fget_files+0x272/0x410
[  536.631708][ T7717]  ? bpf_lsm_file_ioctl+0x9/0x10
[  536.636931][ T7717]  ? send_break+0x3e0/0x3e0
[  536.641461][ T7717]  __x64_sys_ioctl+0x18f/0x210
[  536.646431][ T7717]  do_syscall_64+0x38/0xb0
[  536.650869][ T7717]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  536.656781][ T7717] RIP: 0033:0x7fe65e0fd6e9
[  536.661299][ T7717] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  536.681276][ T7717] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  536.689973][ T7717] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  536.697965][ T7717] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  536.706155][ T7717] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  536.714141][ T7717] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  536.722300][ T7717] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  536.730306][ T7717]  </TASK>
[  536.737236][ T7717] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.094072][ T7720] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  537.108090][ T7720] CPU: 0 PID: 7720 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  537.117630][ T7720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  537.127818][ T7720] Call Trace:
[  537.131225][ T7720]  <TASK>
[  537.134278][ T7720]  dump_stack_lvl+0x125/0x1b0
[  537.139370][ T7720]  sysfs_warn_dup+0x7f/0xa0
[  537.143931][ T7720]  sysfs_create_dir_ns+0x237/0x290
[  537.149110][ T7720]  ? sysfs_create_mount_point+0xb0/0xb0
[  537.154897][ T7720]  ? spin_bug+0x1d0/0x1d0
[  537.159372][ T7720]  ? class_dir_child_ns_type+0xd/0x60
[  537.164793][ T7720]  kobject_add_internal+0x2c8/0x960
[  537.170058][ T7720]  kobject_add+0x154/0x220
[  537.174595][ T7720]  ? kset_create_and_add+0x190/0x190
[  537.179981][ T7720]  ? do_raw_spin_unlock+0x173/0x230
[  537.190076][ T7720]  ? kobject_put+0xbe/0x440
[  537.194687][ T7720]  device_add+0x289/0x1a90
[  537.199144][ T7720]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  537.206365][ T7720]  ? __init_waitqueue_head+0xca/0x150
[  537.211835][ T7720]  tty_register_device_attr+0x382/0x7c0
[  537.217588][ T7720]  ? lockdep_init_map_type+0x16d/0x7c0
[  537.223121][ T7720]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  537.228742][ T7720]  ? lockdep_init_map_type+0x16d/0x7c0
[  537.234407][ T7720]  ? __raw_spin_lock_init+0x3a/0x110
[  537.239991][ T7720]  ? tty_port_init+0x156/0x1b0
[  537.244776][ T7720]  gsm_activate_mux+0x170/0x2f0
[  537.249667][ T7720]  gsmld_ioctl+0x876/0x1510
[  537.254294][ T7720]  ? gsm_dlci_config+0xf00/0xf00
[  537.259260][ T7720]  ? __ldsem_down_read_nested+0xe4/0x910
[  537.264997][ T7720]  ? __ldsem_down_read_nested+0xf4/0x910
[  537.270657][ T7720]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  537.276155][ T7720]  ? vt_waitactive+0x360/0x360
[  537.281134][ T7720]  ? gsm_dlci_config+0xf00/0xf00
[  537.286364][ T7720]  tty_ioctl+0x6f8/0x1550
[  537.290728][ T7720]  ? send_break+0x3e0/0x3e0
[  537.295352][ T7720]  ? reacquire_held_locks+0x4b0/0x4b0
[  537.300955][ T7720]  ? rcu_is_watching+0x12/0xb0
[  537.305744][ T7720]  ? do_one_initcall+0xf0/0x620
[  537.310804][ T7720]  ? __fget_files+0x272/0x410
[  537.315804][ T7720]  ? bpf_lsm_file_ioctl+0x9/0x10
[  537.321658][ T7720]  ? send_break+0x3e0/0x3e0
[  537.326214][ T7720]  __x64_sys_ioctl+0x18f/0x210
[  537.331110][ T7720]  do_syscall_64+0x38/0xb0
[  537.335595][ T7720]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  537.341511][ T7720] RIP: 0033:0x7fe65e0fd6e9
[  537.345968][ T7720] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  537.365903][ T7720] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  537.374365][ T7720] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  537.383172][ T7720] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  537.391172][ T7720] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  537.399256][ T7720] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  537.407243][ T7720] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  537.415446][ T7720]  </TASK>
[  537.427308][ T7720] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.457909][ T7721] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  537.468947][ T7721] CPU: 1 PID: 7721 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  537.479084][ T7721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  537.489548][ T7721] Call Trace:
[  537.492891][ T7721]  <TASK>
[  537.495948][ T7721]  dump_stack_lvl+0x125/0x1b0
[  537.500695][ T7721]  sysfs_warn_dup+0x7f/0xa0
[  537.505431][ T7721]  sysfs_create_dir_ns+0x237/0x290
[  537.510717][ T7721]  ? sysfs_create_mount_point+0xb0/0xb0
[  537.516342][ T7721]  ? spin_bug+0x1d0/0x1d0
[  537.520972][ T7721]  ? class_dir_child_ns_type+0xd/0x60
[  537.526507][ T7721]  kobject_add_internal+0x2c8/0x960
[  537.531789][ T7721]  kobject_add+0x154/0x220
[  537.536444][ T7721]  ? kset_create_and_add+0x190/0x190
[  537.542010][ T7721]  ? do_raw_spin_unlock+0x173/0x230
[  537.547476][ T7721]  ? kobject_put+0xbe/0x440
[  537.552047][ T7721]  device_add+0x289/0x1a90
[  537.556635][ T7721]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  537.563555][ T7721]  ? __init_waitqueue_head+0xca/0x150
[  537.569013][ T7721]  tty_register_device_attr+0x382/0x7c0
[  537.574630][ T7721]  ? lockdep_init_map_type+0x16d/0x7c0
[  537.580242][ T7721]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  537.585850][ T7721]  ? lockdep_init_map_type+0x16d/0x7c0
[  537.591462][ T7721]  ? __raw_spin_lock_init+0x3a/0x110
[  537.596827][ T7721]  ? tty_port_init+0x156/0x1b0
[  537.602003][ T7721]  gsm_activate_mux+0x170/0x2f0
[  537.607020][ T7721]  gsmld_ioctl+0x876/0x1510
[  537.611616][ T7721]  ? gsm_dlci_config+0xf00/0xf00
[  537.616631][ T7721]  ? __ldsem_down_read_nested+0xe4/0x910
[  537.622429][ T7721]  ? __ldsem_down_read_nested+0xf4/0x910
[  537.628228][ T7721]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  537.633675][ T7721]  ? vt_waitactive+0x360/0x360
[  537.638595][ T7721]  ? gsm_dlci_config+0xf00/0xf00
[  537.643602][ T7721]  tty_ioctl+0x6f8/0x1550
[  537.648086][ T7721]  ? send_break+0x3e0/0x3e0
[  537.652667][ T7721]  ? reacquire_held_locks+0x4b0/0x4b0
[  537.658102][ T7721]  ? sigprocmask+0xf1/0x330
[  537.662760][ T7721]  ? do_sigtimedwait+0x5c0/0x5c0
[  537.667765][ T7721]  ? __fget_files+0x272/0x410
[  537.672608][ T7721]  ? bpf_lsm_file_ioctl+0x9/0x10
[  537.677691][ T7721]  ? send_break+0x3e0/0x3e0
[  537.682529][ T7721]  __x64_sys_ioctl+0x18f/0x210
[  537.687541][ T7721]  do_syscall_64+0x38/0xb0
[  537.692023][ T7721]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  537.698096][ T7721] RIP: 0033:0x7fe65e0fd6e9
[  537.702648][ T7721] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  537.722384][ T7721] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  537.730921][ T7721] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  537.738908][ T7721] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  537.746975][ T7721] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  537.754951][ T7721] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  537.763016][ T7721] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  537.771008][ T7721]  </TASK>
[  537.776584][ T7721] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.047635][ T7724] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  538.071040][ T7724] CPU: 1 PID: 7724 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  538.080320][ T7724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  538.090506][ T7724] Call Trace:
[  538.093827][ T7724]  <TASK>
[  538.096800][ T7724]  dump_stack_lvl+0x125/0x1b0
[  538.101543][ T7724]  sysfs_warn_dup+0x7f/0xa0
[  538.106186][ T7724]  sysfs_create_dir_ns+0x237/0x290
[  538.111352][ T7724]  ? sysfs_create_mount_point+0xb0/0xb0
[  538.116944][ T7724]  ? spin_bug+0x1d0/0x1d0
[  538.121340][ T7724]  ? class_dir_child_ns_type+0xd/0x60
[  538.126772][ T7724]  kobject_add_internal+0x2c8/0x960
[  538.132208][ T7724]  kobject_add+0x154/0x220
[  538.136683][ T7724]  ? kset_create_and_add+0x190/0x190
[  538.142110][ T7724]  ? do_raw_spin_unlock+0x173/0x230
[  538.147369][ T7724]  ? kobject_put+0xbe/0x440
[  538.152017][ T7724]  device_add+0x289/0x1a90
[  538.156551][ T7724]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  538.163465][ T7724]  ? __init_waitqueue_head+0xca/0x150
[  538.168993][ T7724]  tty_register_device_attr+0x382/0x7c0
[  538.174692][ T7724]  ? lockdep_init_map_type+0x16d/0x7c0
[  538.180216][ T7724]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  538.185913][ T7724]  ? lockdep_init_map_type+0x16d/0x7c0
[  538.191541][ T7724]  ? __raw_spin_lock_init+0x3a/0x110
[  538.196914][ T7724]  ? tty_port_init+0x156/0x1b0
[  538.201754][ T7724]  gsm_activate_mux+0x170/0x2f0
[  538.206680][ T7724]  gsmld_ioctl+0x876/0x1510
[  538.211266][ T7724]  ? gsm_dlci_config+0xf00/0xf00
[  538.216453][ T7724]  ? __ldsem_down_read_nested+0xe4/0x910
[  538.222154][ T7724]  ? __ldsem_down_read_nested+0xf4/0x910
[  538.227855][ T7724]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  538.233329][ T7724]  ? vt_waitactive+0x360/0x360
[  538.238514][ T7724]  ? gsm_dlci_config+0xf00/0xf00
[  538.243595][ T7724]  tty_ioctl+0x6f8/0x1550
[  538.247986][ T7724]  ? send_break+0x3e0/0x3e0
[  538.252558][ T7724]  ? reacquire_held_locks+0x4b0/0x4b0
[  538.257982][ T7724]  ? rcu_is_watching+0x12/0xb0
[  538.262899][ T7724]  ? do_one_initcall+0xf0/0x620
[  538.267814][ T7724]  ? __fget_files+0x272/0x410
[  538.272563][ T7724]  ? bpf_lsm_file_ioctl+0x9/0x10
[  538.277561][ T7724]  ? send_break+0x3e0/0x3e0
[  538.282386][ T7724]  __x64_sys_ioctl+0x18f/0x210
[  538.288142][ T7724]  do_syscall_64+0x38/0xb0
[  538.292905][ T7724]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  538.298965][ T7724] RIP: 0033:0x7fe65e0fd6e9
[  538.303518][ T7724] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  538.323434][ T7724] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  538.331910][ T7724] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  538.339929][ T7724] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  538.347944][ T7724] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  538.356039][ T7724] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  538.364770][ T7724] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  538.372892][ T7724]  </TASK>
[  538.382207][ T7724] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.677090][ T7728] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  538.695739][ T7728] CPU: 0 PID: 7728 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  538.705011][ T7728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  538.715109][ T7728] Call Trace:
[  538.718508][ T7728]  <TASK>
[  538.721478][ T7728]  dump_stack_lvl+0x125/0x1b0
[  538.726215][ T7728]  sysfs_warn_dup+0x7f/0xa0
[  538.730776][ T7728]  sysfs_create_dir_ns+0x237/0x290
[  538.735947][ T7728]  ? sysfs_create_mount_point+0xb0/0xb0
[  538.741658][ T7728]  ? spin_bug+0x1d0/0x1d0
[  538.746142][ T7728]  ? class_dir_child_ns_type+0xd/0x60
[  538.751570][ T7728]  kobject_add_internal+0x2c8/0x960
[  538.756833][ T7728]  kobject_add+0x154/0x220
[  538.761302][ T7728]  ? kset_create_and_add+0x190/0x190
[  538.767254][ T7728]  ? do_raw_spin_unlock+0x173/0x230
[  538.772506][ T7728]  ? kobject_put+0xbe/0x440
[  538.777140][ T7728]  device_add+0x289/0x1a90
[  538.781779][ T7728]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  538.788661][ T7728]  ? __init_waitqueue_head+0xca/0x150
[  538.794086][ T7728]  tty_register_device_attr+0x382/0x7c0
[  538.799751][ T7728]  ? lockdep_init_map_type+0x16d/0x7c0
[  538.805239][ T7728]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  538.810820][ T7728]  ? lockdep_init_map_type+0x16d/0x7c0
[  538.816401][ T7728]  ? __raw_spin_lock_init+0x3a/0x110
[  538.821719][ T7728]  ? tty_port_init+0x156/0x1b0
[  538.826524][ T7728]  gsm_activate_mux+0x170/0x2f0
[  538.831496][ T7728]  gsmld_ioctl+0x876/0x1510
[  538.836041][ T7728]  ? gsm_dlci_config+0xf00/0xf00
[  538.841011][ T7728]  ? __ldsem_down_read_nested+0xe4/0x910
[  538.846839][ T7728]  ? __ldsem_down_read_nested+0xf4/0x910
[  538.852683][ T7728]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  538.858177][ T7728]  ? vt_waitactive+0x360/0x360
[  538.862980][ T7728]  ? gsm_dlci_config+0xf00/0xf00
[  538.868043][ T7728]  tty_ioctl+0x6f8/0x1550
[  538.872409][ T7728]  ? send_break+0x3e0/0x3e0
[  538.877040][ T7728]  ? reacquire_held_locks+0x4b0/0x4b0
[  538.882452][ T7728]  ? rcu_is_watching+0x12/0xb0
[  538.887251][ T7728]  ? do_one_initcall+0xf0/0x620
[  538.892402][ T7728]  ? __fget_files+0x272/0x410
[  538.897115][ T7728]  ? bpf_lsm_file_ioctl+0x9/0x10
[  538.902181][ T7728]  ? send_break+0x3e0/0x3e0
[  538.906845][ T7728]  __x64_sys_ioctl+0x18f/0x210
[  538.911674][ T7728]  do_syscall_64+0x38/0xb0
[  538.916326][ T7728]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  538.922298][ T7728] RIP: 0033:0x7fe65e0fd6e9
[  538.926732][ T7728] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  538.946359][ T7728] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  538.954791][ T7728] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  538.962775][ T7728] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  538.970760][ T7728] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  538.978832][ T7728] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  538.986820][ T7728] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  538.994939][ T7728]  </TASK>
[  539.026867][ T7729] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  539.035448][ T7729] CPU: 0 PID: 7729 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  539.045107][ T7729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  539.055386][ T7729] Call Trace:
[  539.058701][ T7729]  <TASK>
[  539.061667][ T7729]  dump_stack_lvl+0x125/0x1b0
[  539.066395][ T7729]  sysfs_warn_dup+0x7f/0xa0
[  539.071212][ T7729]  sysfs_create_dir_ns+0x237/0x290
[  539.076989][ T7729]  ? sysfs_create_mount_point+0xb0/0xb0
[  539.082775][ T7729]  ? spin_bug+0x1d0/0x1d0
[  539.087444][ T7729]  ? class_dir_child_ns_type+0xd/0x60
[  539.092959][ T7729]  kobject_add_internal+0x2c8/0x960
[  539.098225][ T7729]  kobject_add+0x154/0x220
[  539.102881][ T7729]  ? kset_create_and_add+0x190/0x190
[  539.108573][ T7729]  ? do_raw_spin_unlock+0x173/0x230
[  539.113845][ T7729]  ? kobject_put+0xbe/0x440
[  539.118434][ T7729]  device_add+0x289/0x1a90
[  539.123033][ T7729]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  539.129953][ T7729]  ? __init_waitqueue_head+0xca/0x150
[  539.135530][ T7729]  tty_register_device_attr+0x382/0x7c0
[  539.141143][ T7729]  ? lockdep_init_map_type+0x16d/0x7c0
[  539.147195][ T7729]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  539.152804][ T7729]  ? lockdep_init_map_type+0x16d/0x7c0
[  539.158348][ T7729]  ? __raw_spin_lock_init+0x3a/0x110
[  539.163775][ T7729]  ? tty_port_init+0x156/0x1b0
[  539.168607][ T7729]  gsm_activate_mux+0x170/0x2f0
[  539.173550][ T7729]  gsmld_ioctl+0x876/0x1510
[  539.178216][ T7729]  ? gsm_dlci_config+0xf00/0xf00
[  539.183307][ T7729]  ? __ldsem_down_read_nested+0xe4/0x910
[  539.188996][ T7729]  ? __ldsem_down_read_nested+0xf4/0x910
[  539.194697][ T7729]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  539.200254][ T7729]  ? vt_waitactive+0x360/0x360
[  539.205096][ T7729]  ? gsm_dlci_config+0xf00/0xf00
[  539.210104][ T7729]  tty_ioctl+0x6f8/0x1550
[  539.214503][ T7729]  ? send_break+0x3e0/0x3e0
[  539.219086][ T7729]  ? reacquire_held_locks+0x4b0/0x4b0
[  539.224522][ T7729]  ? sigprocmask+0xf1/0x330
[  539.229090][ T7729]  ? do_sigtimedwait+0x5c0/0x5c0
[  539.234105][ T7729]  ? __fget_files+0x272/0x410
[  539.238938][ T7729]  ? bpf_lsm_file_ioctl+0x9/0x10
[  539.243938][ T7729]  ? send_break+0x3e0/0x3e0
[  539.248504][ T7729]  __x64_sys_ioctl+0x18f/0x210
[  539.253335][ T7729]  do_syscall_64+0x38/0xb0
[  539.257900][ T7729]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  539.263941][ T7729] RIP: 0033:0x7fe65e0fd6e9
[  539.268464][ T7729] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  539.288182][ T7729] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  539.296704][ T7729] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  539.305817][ T7729] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  539.313914][ T7729] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  539.321915][ T7729] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  539.329901][ T7729] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  539.337990][ T7729]  </TASK>
[  539.350041][ T7728] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.351009][ T7729] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.665282][ T7734] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  539.704133][ T7734] CPU: 1 PID: 7734 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  539.713563][ T7734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  539.723838][ T7734] Call Trace:
[  539.727153][ T7734]  <TASK>
[  539.730213][ T7734]  dump_stack_lvl+0x125/0x1b0
[  539.734942][ T7734]  sysfs_warn_dup+0x7f/0xa0
[  539.739502][ T7734]  sysfs_create_dir_ns+0x237/0x290
[  539.744752][ T7734]  ? sysfs_create_mount_point+0xb0/0xb0
[  539.750363][ T7734]  ? spin_bug+0x1d0/0x1d0
[  539.754854][ T7734]  ? class_dir_child_ns_type+0xd/0x60
[  539.760309][ T7734]  kobject_add_internal+0x2c8/0x960
[  539.765570][ T7734]  kobject_add+0x154/0x220
[  539.770156][ T7734]  ? kset_create_and_add+0x190/0x190
[  539.775603][ T7734]  ? do_raw_spin_unlock+0x173/0x230
[  539.780875][ T7734]  ? kobject_put+0xbe/0x440
[  539.785631][ T7734]  device_add+0x289/0x1a90
[  539.790113][ T7734]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  539.797029][ T7734]  ? __init_waitqueue_head+0xca/0x150
[  539.802477][ T7734]  tty_register_device_attr+0x382/0x7c0
[  539.808125][ T7734]  ? lockdep_init_map_type+0x16d/0x7c0
[  539.813654][ T7734]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  539.819267][ T7734]  ? lockdep_init_map_type+0x16d/0x7c0
[  539.824886][ T7734]  ? __raw_spin_lock_init+0x3a/0x110
[  539.830243][ T7734]  ? tty_port_init+0x156/0x1b0
[  539.835069][ T7734]  gsm_activate_mux+0x170/0x2f0
[  539.839985][ T7734]  gsmld_ioctl+0x876/0x1510
[  539.844735][ T7734]  ? gsm_dlci_config+0xf00/0xf00
[  539.849742][ T7734]  ? __ldsem_down_read_nested+0xe4/0x910
[  539.855426][ T7734]  ? __ldsem_down_read_nested+0xf4/0x910
[  539.861118][ T7734]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  539.866731][ T7734]  ? vt_waitactive+0x360/0x360
[  539.871840][ T7734]  ? gsm_dlci_config+0xf00/0xf00
[  539.877020][ T7734]  tty_ioctl+0x6f8/0x1550
[  539.881507][ T7734]  ? send_break+0x3e0/0x3e0
[  539.886344][ T7734]  ? reacquire_held_locks+0x4b0/0x4b0
[  539.891951][ T7734]  ? rcu_is_watching+0x12/0xb0
[  539.896868][ T7734]  ? do_one_initcall+0xf0/0x620
[  539.901792][ T7734]  ? __fget_files+0x272/0x410
[  539.906548][ T7734]  ? bpf_lsm_file_ioctl+0x9/0x10
[  539.911809][ T7734]  ? send_break+0x3e0/0x3e0
[  539.916461][ T7734]  __x64_sys_ioctl+0x18f/0x210
[  539.921482][ T7734]  do_syscall_64+0x38/0xb0
[  539.925955][ T7734]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  539.931997][ T7734] RIP: 0033:0x7fe65e0fd6e9
[  539.936457][ T7734] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  539.956111][ T7734] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  539.964748][ T7734] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  539.972778][ T7734] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  539.980812][ T7734] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  539.988848][ T7734] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  539.997041][ T7734] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  540.005158][ T7734]  </TASK>
[  540.010516][ T7734] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.304276][ T7737] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  540.321097][ T7737] CPU: 1 PID: 7737 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  540.330382][ T7737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  540.340740][ T7737] Call Trace:
[  540.344055][ T7737]  <TASK>
[  540.347025][ T7737]  dump_stack_lvl+0x125/0x1b0
[  540.351771][ T7737]  sysfs_warn_dup+0x7f/0xa0
[  540.356331][ T7737]  sysfs_create_dir_ns+0x237/0x290
[  540.361491][ T7737]  ? sysfs_create_mount_point+0xb0/0xb0
[  540.367128][ T7737]  ? spin_bug+0x1d0/0x1d0
[  540.371617][ T7737]  ? class_dir_child_ns_type+0xd/0x60
[  540.377019][ T7737]  kobject_add_internal+0x2c8/0x960
[  540.382289][ T7737]  kobject_add+0x154/0x220
[  540.386758][ T7737]  ? kset_create_and_add+0x190/0x190
[  540.392078][ T7737]  ? do_raw_spin_unlock+0x173/0x230
[  540.397338][ T7737]  ? kobject_put+0xbe/0x440
[  540.401909][ T7737]  device_add+0x289/0x1a90
[  540.406387][ T7737]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  540.413544][ T7737]  ? __init_waitqueue_head+0xca/0x150
[  540.419468][ T7737]  tty_register_device_attr+0x382/0x7c0
[  540.425165][ T7737]  ? lockdep_init_map_type+0x16d/0x7c0
[  540.431451][ T7737]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  540.437028][ T7737]  ? lockdep_init_map_type+0x16d/0x7c0
[  540.442515][ T7737]  ? __raw_spin_lock_init+0x3a/0x110
[  540.448092][ T7737]  ? tty_port_init+0x156/0x1b0
[  540.452968][ T7737]  gsm_activate_mux+0x170/0x2f0
[  540.457936][ T7737]  gsmld_ioctl+0x876/0x1510
[  540.462573][ T7737]  ? gsm_dlci_config+0xf00/0xf00
[  540.467542][ T7737]  ? __ldsem_down_read_nested+0xe4/0x910
[  540.473195][ T7737]  ? __ldsem_down_read_nested+0xf4/0x910
[  540.478883][ T7737]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  540.484332][ T7737]  ? vt_waitactive+0x360/0x360
[  540.489182][ T7737]  ? gsm_dlci_config+0xf00/0xf00
[  540.494288][ T7737]  tty_ioctl+0x6f8/0x1550
[  540.498676][ T7737]  ? send_break+0x3e0/0x3e0
[  540.503237][ T7737]  ? reacquire_held_locks+0x4b0/0x4b0
[  540.508823][ T7737]  ? rcu_is_watching+0x12/0xb0
[  540.514495][ T7737]  ? do_one_initcall+0xf0/0x620
[  540.519377][ T7737]  ? __fget_files+0x272/0x410
[  540.524088][ T7737]  ? bpf_lsm_file_ioctl+0x9/0x10
[  540.529051][ T7737]  ? send_break+0x3e0/0x3e0
[  540.533588][ T7737]  __x64_sys_ioctl+0x18f/0x210
[  540.538476][ T7737]  do_syscall_64+0x38/0xb0
[  540.543000][ T7737]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  540.548926][ T7737] RIP: 0033:0x7fe65e0fd6e9
[  540.553356][ T7737] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  540.573159][ T7737] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  540.581690][ T7737] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  540.589829][ T7737] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  540.597838][ T7737] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  540.605915][ T7737] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  540.614084][ T7737] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  540.622261][ T7737]  </TASK>
[  540.628339][ T7737] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.644578][ T7738] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  540.653132][ T7738] CPU: 0 PID: 7738 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  540.663149][ T7738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  540.673366][ T7738] Call Trace:
[  540.676671][ T7738]  <TASK>
[  540.679622][ T7738]  dump_stack_lvl+0x125/0x1b0
[  540.684379][ T7738]  sysfs_warn_dup+0x7f/0xa0
[  540.689090][ T7738]  sysfs_create_dir_ns+0x237/0x290
[  540.694228][ T7738]  ? sysfs_create_mount_point+0xb0/0xb0
[  540.699802][ T7738]  ? spin_bug+0x1d0/0x1d0
[  540.704253][ T7738]  ? class_dir_child_ns_type+0xd/0x60
[  540.709736][ T7738]  kobject_add_internal+0x2c8/0x960
[  540.715056][ T7738]  kobject_add+0x154/0x220
[  540.719494][ T7738]  ? kset_create_and_add+0x190/0x190
[  540.724828][ T7738]  ? do_raw_spin_unlock+0x173/0x230
[  540.730141][ T7738]  ? kobject_put+0xbe/0x440
[  540.734747][ T7738]  device_add+0x289/0x1a90
[  540.739203][ T7738]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  540.746350][ T7738]  ? __init_waitqueue_head+0xca/0x150
[  540.751926][ T7738]  tty_register_device_attr+0x382/0x7c0
[  540.757675][ T7738]  ? lockdep_init_map_type+0x16d/0x7c0
[  540.763336][ T7738]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  540.768907][ T7738]  ? lockdep_init_map_type+0x16d/0x7c0
[  540.774494][ T7738]  ? __raw_spin_lock_init+0x3a/0x110
[  540.779811][ T7738]  ? tty_port_init+0x156/0x1b0
[  540.785474][ T7738]  gsm_activate_mux+0x170/0x2f0
[  540.790458][ T7738]  gsmld_ioctl+0x876/0x1510
[  540.795265][ T7738]  ? gsm_dlci_config+0xf00/0xf00
[  540.800243][ T7738]  ? __ldsem_down_read_nested+0xe4/0x910
[  540.805893][ T7738]  ? __ldsem_down_read_nested+0xf4/0x910
[  540.811556][ T7738]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  540.817025][ T7738]  ? vt_waitactive+0x360/0x360
[  540.821822][ T7738]  ? gsm_dlci_config+0xf00/0xf00
[  540.827570][ T7738]  tty_ioctl+0x6f8/0x1550
[  540.831926][ T7738]  ? send_break+0x3e0/0x3e0
[  540.836634][ T7738]  ? reacquire_held_locks+0x4b0/0x4b0
[  540.842118][ T7738]  ? sigprocmask+0xf1/0x330
[  540.846658][ T7738]  ? do_sigtimedwait+0x5c0/0x5c0
[  540.851632][ T7738]  ? __fget_files+0x272/0x410
[  540.856517][ T7738]  ? bpf_lsm_file_ioctl+0x9/0x10
[  540.861513][ T7738]  ? send_break+0x3e0/0x3e0
[  540.866132][ T7738]  __x64_sys_ioctl+0x18f/0x210
[  540.870979][ T7738]  do_syscall_64+0x38/0xb0
[  540.875420][ T7738]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  540.881362][ T7738] RIP: 0033:0x7fe65e0fd6e9
[  540.885800][ T7738] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  540.905781][ T7738] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  540.914300][ T7738] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  540.922459][ T7738] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  540.930552][ T7738] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  540.938885][ T7738] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  540.946868][ T7738] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  540.955050][ T7738]  </TASK>
[  540.962220][ T7738] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.378506][ T7741] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  541.402872][ T7741] CPU: 0 PID: 7741 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  541.412488][ T7741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  541.422828][ T7741] Call Trace:
[  541.426145][ T7741]  <TASK>
[  541.429114][ T7741]  dump_stack_lvl+0x125/0x1b0
[  541.434043][ T7741]  sysfs_warn_dup+0x7f/0xa0
[  541.438696][ T7741]  sysfs_create_dir_ns+0x237/0x290
[  541.443941][ T7741]  ? sysfs_create_mount_point+0xb0/0xb0
[  541.449624][ T7741]  ? spin_bug+0x1d0/0x1d0
[  541.454194][ T7741]  ? class_dir_child_ns_type+0xd/0x60
[  541.459726][ T7741]  kobject_add_internal+0x2c8/0x960
[  541.464995][ T7741]  kobject_add+0x154/0x220
[  541.469518][ T7741]  ? kset_create_and_add+0x190/0x190
[  541.474963][ T7741]  ? do_raw_spin_unlock+0x173/0x230
[  541.480336][ T7741]  ? kobject_put+0xbe/0x440
[  541.484910][ T7741]  device_add+0x289/0x1a90
[  541.489484][ T7741]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  541.496833][ T7741]  ? __init_waitqueue_head+0xca/0x150
[  541.502360][ T7741]  tty_register_device_attr+0x382/0x7c0
[  541.507999][ T7741]  ? lockdep_init_map_type+0x16d/0x7c0
[  541.513593][ T7741]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  541.519434][ T7741]  ? lockdep_init_map_type+0x16d/0x7c0
[  541.524924][ T7741]  ? __raw_spin_lock_init+0x3a/0x110
[  541.530324][ T7741]  ? tty_port_init+0x156/0x1b0
[  541.535142][ T7741]  gsm_activate_mux+0x170/0x2f0
[  541.540324][ T7741]  gsmld_ioctl+0x876/0x1510
[  541.544977][ T7741]  ? gsm_dlci_config+0xf00/0xf00
[  541.549952][ T7741]  ? __ldsem_down_read_nested+0xe4/0x910
[  541.555703][ T7741]  ? __ldsem_down_read_nested+0xf4/0x910
[  541.561449][ T7741]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  541.567121][ T7741]  ? vt_waitactive+0x360/0x360
[  541.572009][ T7741]  ? gsm_dlci_config+0xf00/0xf00
[  541.577147][ T7741]  tty_ioctl+0x6f8/0x1550
[  541.581518][ T7741]  ? send_break+0x3e0/0x3e0
[  541.586401][ T7741]  ? reacquire_held_locks+0x4b0/0x4b0
[  541.591890][ T7741]  ? rcu_is_watching+0x12/0xb0
[  541.596673][ T7741]  ? do_one_initcall+0xf0/0x620
[  541.601667][ T7741]  ? __fget_files+0x272/0x410
[  541.606478][ T7741]  ? bpf_lsm_file_ioctl+0x9/0x10
[  541.611452][ T7741]  ? send_break+0x3e0/0x3e0
[  541.616070][ T7741]  __x64_sys_ioctl+0x18f/0x210
[  541.620980][ T7741]  do_syscall_64+0x38/0xb0
[  541.625597][ T7741]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  541.631514][ T7741] RIP: 0033:0x7fe65e0fd6e9
[  541.635946][ T7741] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  541.655663][ T7741] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  541.664296][ T7741] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  541.676879][ T7741] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  541.685120][ T7741] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  541.693453][ T7741] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  541.701490][ T7741] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  541.709575][ T7741]  </TASK>
[  541.718517][ T7741] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.733978][ T7742] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  541.742661][ T7742] CPU: 1 PID: 7742 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  541.751915][ T7742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  541.762009][ T7742] Call Trace:
[  541.765323][ T7742]  <TASK>
[  541.768377][ T7742]  dump_stack_lvl+0x125/0x1b0
[  541.773148][ T7742]  sysfs_warn_dup+0x7f/0xa0
[  541.777721][ T7742]  sysfs_create_dir_ns+0x237/0x290
[  541.782939][ T7742]  ? sysfs_create_mount_point+0xb0/0xb0
[  541.788714][ T7742]  ? spin_bug+0x1d0/0x1d0
[  541.793121][ T7742]  ? class_dir_child_ns_type+0xd/0x60
[  541.798560][ T7742]  kobject_add_internal+0x2c8/0x960
[  541.804188][ T7742]  kobject_add+0x154/0x220
[  541.808661][ T7742]  ? kset_create_and_add+0x190/0x190
[  541.814002][ T7742]  ? do_raw_spin_unlock+0x173/0x230
[  541.819244][ T7742]  ? kobject_put+0xbe/0x440
[  541.823802][ T7742]  device_add+0x289/0x1a90
[  541.828256][ T7742]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  541.835139][ T7742]  ? __init_waitqueue_head+0xca/0x150
[  541.840630][ T7742]  tty_register_device_attr+0x382/0x7c0
[  541.846220][ T7742]  ? lockdep_init_map_type+0x16d/0x7c0
[  541.851708][ T7742]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  541.857367][ T7742]  ? lockdep_init_map_type+0x16d/0x7c0
[  541.862859][ T7742]  ? __raw_spin_lock_init+0x3a/0x110
[  541.868440][ T7742]  ? tty_port_init+0x156/0x1b0
[  541.873228][ T7742]  gsm_activate_mux+0x170/0x2f0
[  541.878120][ T7742]  gsmld_ioctl+0x876/0x1510
[  541.882666][ T7742]  ? gsm_dlci_config+0xf00/0xf00
[  541.887726][ T7742]  ? __ldsem_down_read_nested+0xe4/0x910
[  541.893384][ T7742]  ? __ldsem_down_read_nested+0xf4/0x910
[  541.899155][ T7742]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  541.904561][ T7742]  ? vt_waitactive+0x360/0x360
[  541.909363][ T7742]  ? gsm_dlci_config+0xf00/0xf00
[  541.914333][ T7742]  tty_ioctl+0x6f8/0x1550
[  541.918695][ T7742]  ? send_break+0x3e0/0x3e0
[  541.923323][ T7742]  ? reacquire_held_locks+0x4b0/0x4b0
[  541.928729][ T7742]  ? sigprocmask+0xf1/0x330
[  541.933266][ T7742]  ? do_sigtimedwait+0x5c0/0x5c0
[  541.938241][ T7742]  ? __fget_files+0x272/0x410
[  541.942950][ T7742]  ? bpf_lsm_file_ioctl+0x9/0x10
[  541.948173][ T7742]  ? send_break+0x3e0/0x3e0
[  541.952763][ T7742]  __x64_sys_ioctl+0x18f/0x210
[  541.957560][ T7742]  do_syscall_64+0x38/0xb0
[  541.962037][ T7742]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  541.967951][ T7742] RIP: 0033:0x7fe65e0fd6e9
[  541.972381][ T7742] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  541.992307][ T7742] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  542.000925][ T7742] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  542.009031][ T7742] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  542.017375][ T7742] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  542.025458][ T7742] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  542.033527][ T7742] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  542.041621][ T7742]  </TASK>
[  542.050647][ T7742] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.388053][ T7745] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  542.405838][ T7745] CPU: 1 PID: 7745 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  542.415373][ T7745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  542.425798][ T7745] Call Trace:
[  542.429094][ T7745]  <TASK>
[  542.432044][ T7745]  dump_stack_lvl+0x125/0x1b0
[  542.436837][ T7745]  sysfs_warn_dup+0x7f/0xa0
[  542.441361][ T7745]  sysfs_create_dir_ns+0x237/0x290
[  542.446577][ T7745]  ? sysfs_create_mount_point+0xb0/0xb0
[  542.452151][ T7745]  ? spin_bug+0x1d0/0x1d0
[  542.456515][ T7745]  ? class_dir_child_ns_type+0xd/0x60
[  542.461915][ T7745]  kobject_add_internal+0x2c8/0x960
[  542.467276][ T7745]  kobject_add+0x154/0x220
[  542.471754][ T7745]  ? kset_create_and_add+0x190/0x190
[  542.477192][ T7745]  ? do_raw_spin_unlock+0x173/0x230
[  542.482557][ T7745]  ? kobject_put+0xbe/0x440
[  542.488166][ T7745]  device_add+0x289/0x1a90
[  542.492627][ T7745]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  542.499510][ T7745]  ? __init_waitqueue_head+0xca/0x150
[  542.504920][ T7745]  tty_register_device_attr+0x382/0x7c0
[  542.510503][ T7745]  ? lockdep_init_map_type+0x16d/0x7c0
[  542.515996][ T7745]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  542.521563][ T7745]  ? lockdep_init_map_type+0x16d/0x7c0
[  542.527062][ T7745]  ? __raw_spin_lock_init+0x3a/0x110
[  542.532466][ T7745]  ? tty_port_init+0x156/0x1b0
[  542.537252][ T7745]  gsm_activate_mux+0x170/0x2f0
[  542.542145][ T7745]  gsmld_ioctl+0x876/0x1510
[  542.546688][ T7745]  ? gsm_dlci_config+0xf00/0xf00
[  542.551768][ T7745]  ? __ldsem_down_read_nested+0xe4/0x910
[  542.557428][ T7745]  ? __ldsem_down_read_nested+0xf4/0x910
[  542.563263][ T7745]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  542.568910][ T7745]  ? vt_waitactive+0x360/0x360
[  542.573721][ T7745]  ? gsm_dlci_config+0xf00/0xf00
[  542.578695][ T7745]  tty_ioctl+0x6f8/0x1550
[  542.583055][ T7745]  ? send_break+0x3e0/0x3e0
[  542.587689][ T7745]  ? reacquire_held_locks+0x4b0/0x4b0
[  542.593175][ T7745]  ? rcu_is_watching+0x12/0xb0
[  542.598398][ T7745]  ? do_one_initcall+0xf0/0x620
[  542.603282][ T7745]  ? __fget_files+0x272/0x410
[  542.607996][ T7745]  ? bpf_lsm_file_ioctl+0x9/0x10
[  542.612964][ T7745]  ? send_break+0x3e0/0x3e0
[  542.617495][ T7745]  __x64_sys_ioctl+0x18f/0x210
[  542.622295][ T7745]  do_syscall_64+0x38/0xb0
[  542.626771][ T7745]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  542.632684][ T7745] RIP: 0033:0x7fe65e0fd6e9
[  542.637129][ T7745] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  542.657711][ T7745] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  542.666145][ T7745] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  542.674227][ T7745] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  542.682223][ T7745] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  542.690559][ T7745] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  542.698632][ T7745] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  542.706720][ T7745]  </TASK>
[  542.735018][ T7746] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  542.743831][ T7746] CPU: 1 PID: 7746 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  542.753075][ T7746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  542.763183][ T7746] Call Trace:
[  542.766567][ T7746]  <TASK>
[  542.769506][ T7746]  dump_stack_lvl+0x125/0x1b0
[  542.774302][ T7746]  sysfs_warn_dup+0x7f/0xa0
[  542.779010][ T7746]  sysfs_create_dir_ns+0x237/0x290
[  542.785208][ T7746]  ? sysfs_create_mount_point+0xb0/0xb0
[  542.790770][ T7746]  ? spin_bug+0x1d0/0x1d0
[  542.795395][ T7746]  ? class_dir_child_ns_type+0xd/0x60
[  542.800791][ T7746]  kobject_add_internal+0x2c8/0x960
[  542.806023][ T7746]  kobject_add+0x154/0x220
[  542.810462][ T7746]  ? kset_create_and_add+0x190/0x190
[  542.815772][ T7746]  ? do_raw_spin_unlock+0x173/0x230
[  542.821002][ T7746]  ? kobject_put+0xbe/0x440
[  542.825542][ T7746]  device_add+0x289/0x1a90
[  542.829990][ T7746]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  542.836871][ T7746]  ? __init_waitqueue_head+0xca/0x150
[  542.842274][ T7746]  tty_register_device_attr+0x382/0x7c0
[  542.848217][ T7746]  ? lockdep_init_map_type+0x16d/0x7c0
[  542.853704][ T7746]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  542.859447][ T7746]  ? lockdep_init_map_type+0x16d/0x7c0
[  542.865107][ T7746]  ? __raw_spin_lock_init+0x3a/0x110
[  542.870422][ T7746]  ? tty_port_init+0x156/0x1b0
[  542.875207][ T7746]  gsm_activate_mux+0x170/0x2f0
[  542.880268][ T7746]  gsmld_ioctl+0x876/0x1510
[  542.884809][ T7746]  ? gsm_dlci_config+0xf00/0xf00
[  542.889828][ T7746]  ? __ldsem_down_read_nested+0xe4/0x910
[  542.895485][ T7746]  ? __ldsem_down_read_nested+0xf4/0x910
[  542.901260][ T7746]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  542.907395][ T7746]  ? vt_waitactive+0x360/0x360
[  542.912224][ T7746]  ? gsm_dlci_config+0xf00/0xf00
[  542.917317][ T7746]  tty_ioctl+0x6f8/0x1550
[  542.921700][ T7746]  ? send_break+0x3e0/0x3e0
[  542.926239][ T7746]  ? reacquire_held_locks+0x4b0/0x4b0
[  542.931640][ T7746]  ? sigprocmask+0xf1/0x330
[  542.936258][ T7746]  ? do_sigtimedwait+0x5c0/0x5c0
[  542.941237][ T7746]  ? __fget_files+0x272/0x410
[  542.945946][ T7746]  ? bpf_lsm_file_ioctl+0x9/0x10
[  542.951032][ T7746]  ? send_break+0x3e0/0x3e0
[  542.955854][ T7746]  __x64_sys_ioctl+0x18f/0x210
[  542.960674][ T7746]  do_syscall_64+0x38/0xb0
[  542.965212][ T7746]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  542.971146][ T7746] RIP: 0033:0x7fe65e0fd6e9
[  542.975702][ T7746] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  542.996049][ T7746] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  543.004835][ T7746] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  543.012821][ T7746] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  543.020842][ T7746] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  543.029187][ T7746] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  543.037194][ T7746] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  543.045226][ T7746]  </TASK>
[  543.056467][ T7745] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.073975][ T7746] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.481205][ T7749] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  543.495885][ T7749] CPU: 0 PID: 7749 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  543.505693][ T7749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  543.515896][ T7749] Call Trace:
[  543.519219][ T7749]  <TASK>
[  543.522198][ T7749]  dump_stack_lvl+0x125/0x1b0
[  543.527036][ T7749]  sysfs_warn_dup+0x7f/0xa0
[  543.531696][ T7749]  sysfs_create_dir_ns+0x237/0x290
[  543.536961][ T7749]  ? sysfs_create_mount_point+0xb0/0xb0
[  543.538441][ T7750] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  543.542745][ T7749]  ? spin_bug+0x1d0/0x1d0
[  543.555595][ T7749]  ? class_dir_child_ns_type+0xd/0x60
[  543.560994][ T7749]  kobject_add_internal+0x2c8/0x960
[  543.566223][ T7749]  kobject_add+0x154/0x220
[  543.571368][ T7749]  ? kset_create_and_add+0x190/0x190
[  543.576871][ T7749]  ? do_raw_spin_unlock+0x173/0x230
[  543.582732][ T7749]  ? kobject_put+0xbe/0x440
[  543.587446][ T7749]  device_add+0x289/0x1a90
[  543.591902][ T7749]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  543.598873][ T7749]  ? __init_waitqueue_head+0xca/0x150
[  543.604279][ T7749]  tty_register_device_attr+0x382/0x7c0
[  543.609943][ T7749]  ? lockdep_init_map_type+0x16d/0x7c0
[  543.615743][ T7749]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  543.621783][ T7749]  ? lockdep_init_map_type+0x16d/0x7c0
[  543.627359][ T7749]  ? __raw_spin_lock_init+0x3a/0x110
[  543.632775][ T7749]  ? tty_port_init+0x156/0x1b0
[  543.637582][ T7749]  gsm_activate_mux+0x170/0x2f0
[  543.642469][ T7749]  gsmld_ioctl+0x876/0x1510
[  543.647025][ T7749]  ? gsm_dlci_config+0xf00/0xf00
[  543.652002][ T7749]  ? __ldsem_down_read_nested+0xe4/0x910
[  543.657667][ T7749]  ? __ldsem_down_read_nested+0xf4/0x910
[  543.663332][ T7749]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  543.668928][ T7749]  ? vt_waitactive+0x360/0x360
[  543.673822][ T7749]  ? gsm_dlci_config+0xf00/0xf00
[  543.678803][ T7749]  tty_ioctl+0x6f8/0x1550
[  543.683253][ T7749]  ? send_break+0x3e0/0x3e0
[  543.687885][ T7749]  ? reacquire_held_locks+0x4b0/0x4b0
[  543.693297][ T7749]  ? rcu_is_watching+0x12/0xb0
[  543.698088][ T7749]  ? do_one_initcall+0xf0/0x620
[  543.702988][ T7749]  ? __fget_files+0x272/0x410
[  543.707714][ T7749]  ? bpf_lsm_file_ioctl+0x9/0x10
[  543.712767][ T7749]  ? send_break+0x3e0/0x3e0
[  543.717305][ T7749]  __x64_sys_ioctl+0x18f/0x210
[  543.722103][ T7749]  do_syscall_64+0x38/0xb0
[  543.726545][ T7749]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  543.732466][ T7749] RIP: 0033:0x7fe65e0fd6e9
[  543.736924][ T7749] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  543.756721][ T7749] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  543.765327][ T7749] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  543.773400][ T7749] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  543.781483][ T7749] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  543.789945][ T7749] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  543.798134][ T7749] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  543.806235][ T7749]  </TASK>
[  543.814405][ T7750] CPU: 1 PID: 7750 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  543.823768][ T7750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  543.833860][ T7750] Call Trace:
[  543.837177][ T7750]  <TASK>
[  543.839226][ T7749] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.840119][ T7750]  dump_stack_lvl+0x125/0x1b0
[  543.858740][ T7750]  sysfs_warn_dup+0x7f/0xa0
[  543.863278][ T7750]  sysfs_create_dir_ns+0x237/0x290
[  543.868497][ T7750]  ? sysfs_create_mount_point+0xb0/0xb0
[  543.874155][ T7750]  ? spin_bug+0x1d0/0x1d0
[  543.878712][ T7750]  ? class_dir_child_ns_type+0xd/0x60
[  543.884111][ T7750]  kobject_add_internal+0x2c8/0x960
[  543.889428][ T7750]  kobject_add+0x154/0x220
[  543.893868][ T7750]  ? kset_create_and_add+0x190/0x190
[  543.899187][ T7750]  ? do_raw_spin_unlock+0x173/0x230
[  543.904426][ T7750]  ? kobject_put+0xbe/0x440
[  543.908984][ T7750]  device_add+0x289/0x1a90
[  543.913706][ T7750]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  543.920933][ T7750]  ? __init_waitqueue_head+0xca/0x150
[  543.926434][ T7750]  tty_register_device_attr+0x382/0x7c0
[  543.932012][ T7750]  ? lockdep_init_map_type+0x16d/0x7c0
[  543.937583][ T7750]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  543.943149][ T7750]  ? lockdep_init_map_type+0x16d/0x7c0
[  543.948634][ T7750]  ? __raw_spin_lock_init+0x3a/0x110
[  543.953991][ T7750]  ? tty_port_init+0x156/0x1b0
[  543.958781][ T7750]  gsm_activate_mux+0x170/0x2f0
[  543.963748][ T7750]  gsmld_ioctl+0x876/0x1510
[  543.968376][ T7750]  ? gsm_dlci_config+0xf00/0xf00
[  543.973345][ T7750]  ? __ldsem_down_read_nested+0xe4/0x910
[  543.979444][ T7750]  ? __ldsem_down_read_nested+0xf4/0x910
[  543.985914][ T7750]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  543.991321][ T7750]  ? vt_waitactive+0x360/0x360
[  543.996117][ T7750]  ? gsm_dlci_config+0xf00/0xf00
[  544.001169][ T7750]  tty_ioctl+0x6f8/0x1550
[  544.005547][ T7750]  ? send_break+0x3e0/0x3e0
[  544.010082][ T7750]  ? reacquire_held_locks+0x4b0/0x4b0
[  544.015480][ T7750]  ? sigprocmask+0xf1/0x330
[  544.020018][ T7750]  ? do_sigtimedwait+0x5c0/0x5c0
[  544.028729][ T7750]  ? __fget_files+0x272/0x410
[  544.033527][ T7750]  ? bpf_lsm_file_ioctl+0x9/0x10
[  544.038749][ T7750]  ? send_break+0x3e0/0x3e0
[  544.043628][ T7750]  __x64_sys_ioctl+0x18f/0x210
[  544.048429][ T7750]  do_syscall_64+0x38/0xb0
[  544.052868][ T7750]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  544.058785][ T7750] RIP: 0033:0x7fe65e0fd6e9
[  544.063215][ T7750] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  544.083020][ T7750] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  544.091627][ T7750] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  544.099611][ T7750] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  544.107591][ T7750] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  544.115591][ T7750] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  544.123601][ T7750] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  544.131614][ T7750]  </TASK>
[  544.146378][ T7750] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.549323][ T7753] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  544.558253][ T7753] CPU: 0 PID: 7753 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  544.567588][ T7753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  544.577684][ T7753] Call Trace:
[  544.580996][ T7753]  <TASK>
[  544.584019][ T7753]  dump_stack_lvl+0x125/0x1b0
[  544.588747][ T7753]  sysfs_warn_dup+0x7f/0xa0
[  544.593296][ T7753]  sysfs_create_dir_ns+0x237/0x290
[  544.598465][ T7753]  ? sysfs_create_mount_point+0xb0/0xb0
[  544.604064][ T7753]  ? spin_bug+0x1d0/0x1d0
[  544.608455][ T7753]  ? class_dir_child_ns_type+0xd/0x60
[  544.613881][ T7753]  kobject_add_internal+0x2c8/0x960
[  544.619146][ T7753]  kobject_add+0x154/0x220
[  544.623620][ T7753]  ? kset_create_and_add+0x190/0x190
[  544.628974][ T7753]  ? do_raw_spin_unlock+0x173/0x230
[  544.634320][ T7753]  ? kobject_put+0xbe/0x440
[  544.638973][ T7753]  device_add+0x289/0x1a90
[  544.643566][ T7753]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  544.650562][ T7753]  ? __init_waitqueue_head+0xca/0x150
[  544.656001][ T7753]  tty_register_device_attr+0x382/0x7c0
[  544.661617][ T7753]  ? lockdep_init_map_type+0x16d/0x7c0
[  544.667139][ T7753]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  544.672955][ T7753]  ? lockdep_init_map_type+0x16d/0x7c0
[  544.678494][ T7753]  ? __raw_spin_lock_init+0x3a/0x110
[  544.683943][ T7753]  ? tty_port_init+0x156/0x1b0
[  544.688772][ T7753]  gsm_activate_mux+0x170/0x2f0
[  544.693699][ T7753]  gsmld_ioctl+0x876/0x1510
[  544.699073][ T7753]  ? gsm_dlci_config+0xf00/0xf00
[  544.704176][ T7753]  ? __ldsem_down_read_nested+0xe4/0x910
[  544.709960][ T7753]  ? __ldsem_down_read_nested+0xf4/0x910
[  544.715673][ T7753]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  544.721216][ T7753]  ? vt_waitactive+0x360/0x360
[  544.726146][ T7753]  ? gsm_dlci_config+0xf00/0xf00
[  544.731472][ T7753]  tty_ioctl+0x6f8/0x1550
[  544.735960][ T7753]  ? send_break+0x3e0/0x3e0
[  544.740530][ T7753]  ? reacquire_held_locks+0x4b0/0x4b0
[  544.745957][ T7753]  ? rcu_is_watching+0x12/0xb0
[  544.750772][ T7753]  ? do_one_initcall+0xf0/0x620
[  544.755691][ T7753]  ? __fget_files+0x272/0x410
[  544.760430][ T7753]  ? bpf_lsm_file_ioctl+0x9/0x10
[  544.765415][ T7753]  ? send_break+0x3e0/0x3e0
[  544.770149][ T7753]  __x64_sys_ioctl+0x18f/0x210
[  544.774983][ T7753]  do_syscall_64+0x38/0xb0
[  544.779478][ T7753]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  544.785844][ T7753] RIP: 0033:0x7fe65e0fd6e9
[  544.790308][ T7753] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  544.810068][ T7753] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  544.818720][ T7753] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  544.827078][ T7753] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  544.835178][ T7753] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  544.843277][ T7753] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  544.851302][ T7753] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  544.859349][ T7753]  </TASK>
[  544.867931][ T7753] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.157685][ T7756] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  545.168229][ T7756] CPU: 1 PID: 7756 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  545.177846][ T7756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  545.188037][ T7756] Call Trace:
[  545.191360][ T7756]  <TASK>
[  545.194340][ T7756]  dump_stack_lvl+0x125/0x1b0
[  545.199070][ T7756]  sysfs_warn_dup+0x7f/0xa0
[  545.203655][ T7756]  sysfs_create_dir_ns+0x237/0x290
[  545.208818][ T7756]  ? sysfs_create_mount_point+0xb0/0xb0
[  545.214603][ T7756]  ? spin_bug+0x1d0/0x1d0
[  545.219006][ T7756]  ? class_dir_child_ns_type+0xd/0x60
[  545.224791][ T7756]  kobject_add_internal+0x2c8/0x960
[  545.230054][ T7756]  kobject_add+0x154/0x220
[  545.234618][ T7756]  ? kset_create_and_add+0x190/0x190
[  545.239960][ T7756]  ? do_raw_spin_unlock+0x173/0x230
[  545.245275][ T7756]  ? kobject_put+0xbe/0x440
[  545.249838][ T7756]  device_add+0x289/0x1a90
[  545.254400][ T7756]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  545.261401][ T7756]  ? __init_waitqueue_head+0xca/0x150
[  545.267033][ T7756]  tty_register_device_attr+0x382/0x7c0
[  545.272642][ T7756]  ? lockdep_init_map_type+0x16d/0x7c0
[  545.278163][ T7756]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  545.283780][ T7756]  ? lockdep_init_map_type+0x16d/0x7c0
[  545.289404][ T7756]  ? __raw_spin_lock_init+0x3a/0x110
[  545.294761][ T7756]  ? tty_port_init+0x156/0x1b0
[  545.299610][ T7756]  gsm_activate_mux+0x170/0x2f0
[  545.304625][ T7756]  gsmld_ioctl+0x876/0x1510
[  545.309376][ T7756]  ? gsm_dlci_config+0xf00/0xf00
[  545.314398][ T7756]  ? __ldsem_down_read_nested+0xe4/0x910
[  545.320172][ T7756]  ? __ldsem_down_read_nested+0xf4/0x910
[  545.326148][ T7756]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  545.331598][ T7756]  ? vt_waitactive+0x360/0x360
[  545.336718][ T7756]  ? gsm_dlci_config+0xf00/0xf00
[  545.341728][ T7756]  tty_ioctl+0x6f8/0x1550
[  545.346220][ T7756]  ? send_break+0x3e0/0x3e0
[  545.350792][ T7756]  ? reacquire_held_locks+0x4b0/0x4b0
[  545.356222][ T7756]  ? rcu_is_watching+0x12/0xb0
[  545.361046][ T7756]  ? do_one_initcall+0xf0/0x620
[  545.366055][ T7756]  ? __fget_files+0x272/0x410
[  545.370889][ T7756]  ? bpf_lsm_file_ioctl+0x9/0x10
[  545.375891][ T7756]  ? send_break+0x3e0/0x3e0
[  545.380553][ T7756]  __x64_sys_ioctl+0x18f/0x210
[  545.385398][ T7756]  do_syscall_64+0x38/0xb0
[  545.389870][ T7756]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  545.395819][ T7756] RIP: 0033:0x7fe65e0fd6e9
[  545.400281][ T7756] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  545.420212][ T7756] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  545.428873][ T7756] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  545.436886][ T7756] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  545.444913][ T7756] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  545.453021][ T7756] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  545.461208][ T7756] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  545.469325][ T7756]  </TASK>
[  545.497334][ T7756] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.769220][ T7759] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  545.792195][ T7759] CPU: 1 PID: 7759 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  545.801467][ T7759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  545.811761][ T7759] Call Trace:
[  545.815095][ T7759]  <TASK>
[  545.818409][ T7759]  dump_stack_lvl+0x125/0x1b0
[  545.823141][ T7759]  sysfs_warn_dup+0x7f/0xa0
[  545.827694][ T7759]  sysfs_create_dir_ns+0x237/0x290
[  545.832865][ T7759]  ? sysfs_create_mount_point+0xb0/0xb0
[  545.838542][ T7759]  ? spin_bug+0x1d0/0x1d0
[  545.842998][ T7759]  ? class_dir_child_ns_type+0xd/0x60
[  545.848395][ T7759]  kobject_add_internal+0x2c8/0x960
[  545.853889][ T7759]  kobject_add+0x154/0x220
[  545.858327][ T7759]  ? kset_create_and_add+0x190/0x190
[  545.863634][ T7759]  ? do_raw_spin_unlock+0x173/0x230
[  545.868866][ T7759]  ? kobject_put+0xbe/0x440
[  545.873424][ T7759]  device_add+0x289/0x1a90
[  545.877902][ T7759]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  545.884980][ T7759]  ? __init_waitqueue_head+0xca/0x150
[  545.890480][ T7759]  tty_register_device_attr+0x382/0x7c0
[  545.896069][ T7759]  ? lockdep_init_map_type+0x16d/0x7c0
[  545.901555][ T7759]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  545.907134][ T7759]  ? lockdep_init_map_type+0x16d/0x7c0
[  545.912624][ T7759]  ? __raw_spin_lock_init+0x3a/0x110
[  545.917983][ T7759]  ? tty_port_init+0x156/0x1b0
[  545.922812][ T7759]  gsm_activate_mux+0x170/0x2f0
[  545.927709][ T7759]  gsmld_ioctl+0x876/0x1510
[  545.932281][ T7759]  ? gsm_dlci_config+0xf00/0xf00
[  545.937260][ T7759]  ? __ldsem_down_read_nested+0xe4/0x910
[  545.942916][ T7759]  ? __ldsem_down_read_nested+0xf4/0x910
[  545.948577][ T7759]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  545.954071][ T7759]  ? vt_waitactive+0x360/0x360
[  545.959043][ T7759]  ? gsm_dlci_config+0xf00/0xf00
[  545.964033][ T7759]  tty_ioctl+0x6f8/0x1550
[  545.968777][ T7759]  ? send_break+0x3e0/0x3e0
[  545.973597][ T7759]  ? reacquire_held_locks+0x4b0/0x4b0
[  545.979102][ T7759]  ? rcu_is_watching+0x12/0xb0
[  545.983989][ T7759]  ? do_one_initcall+0xf0/0x620
[  545.988984][ T7759]  ? __fget_files+0x272/0x410
[  545.993792][ T7759]  ? bpf_lsm_file_ioctl+0x9/0x10
[  545.998768][ T7759]  ? send_break+0x3e0/0x3e0
[  546.003409][ T7759]  __x64_sys_ioctl+0x18f/0x210
[  546.008207][ T7759]  do_syscall_64+0x38/0xb0
[  546.012645][ T7759]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  546.018560][ T7759] RIP: 0033:0x7fe65e0fd6e9
[  546.023086][ T7759] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  546.043061][ T7759] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  546.052013][ T7759] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  546.060082][ T7759] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  546.068067][ T7759] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  546.076144][ T7759] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  546.084473][ T7759] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  546.092649][ T7759]  </TASK>
[  546.111859][ T7759] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.121486][ T7760] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.135027][ T7760] CPU: 0 PID: 7760 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  546.144363][ T7760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  546.154729][ T7760] Call Trace:
[  546.158393][ T7760]  <TASK>
[  546.161357][ T7760]  dump_stack_lvl+0x125/0x1b0
[  546.166103][ T7760]  sysfs_warn_dup+0x7f/0xa0
[  546.171277][ T7760]  sysfs_create_dir_ns+0x237/0x290
[  546.176450][ T7760]  ? sysfs_create_mount_point+0xb0/0xb0
[  546.182154][ T7760]  ? spin_bug+0x1d0/0x1d0
[  546.186624][ T7760]  ? class_dir_child_ns_type+0xd/0x60
[  546.192216][ T7760]  kobject_add_internal+0x2c8/0x960
[  546.197455][ T7760]  kobject_add+0x154/0x220
[  546.202167][ T7760]  ? kset_create_and_add+0x190/0x190
[  546.207657][ T7760]  ? do_raw_spin_unlock+0x173/0x230
[  546.212974][ T7760]  ? kobject_put+0xbe/0x440
[  546.217765][ T7760]  device_add+0x289/0x1a90
[  546.222226][ T7760]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  546.229211][ T7760]  ? __init_waitqueue_head+0xca/0x150
[  546.234621][ T7760]  tty_register_device_attr+0x382/0x7c0
[  546.240250][ T7760]  ? lockdep_init_map_type+0x16d/0x7c0
[  546.245740][ T7760]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  546.251396][ T7760]  ? lockdep_init_map_type+0x16d/0x7c0
[  546.256971][ T7760]  ? __raw_spin_lock_init+0x3a/0x110
[  546.262317][ T7760]  ? tty_port_init+0x156/0x1b0
[  546.267278][ T7760]  gsm_activate_mux+0x170/0x2f0
[  546.272343][ T7760]  gsmld_ioctl+0x876/0x1510
[  546.276893][ T7760]  ? gsm_dlci_config+0xf00/0xf00
[  546.281865][ T7760]  ? __ldsem_down_read_nested+0xe4/0x910
[  546.287704][ T7760]  ? __ldsem_down_read_nested+0xf4/0x910
[  546.293365][ T7760]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  546.298783][ T7760]  ? vt_waitactive+0x360/0x360
[  546.303583][ T7760]  ? gsm_dlci_config+0xf00/0xf00
[  546.308557][ T7760]  tty_ioctl+0x6f8/0x1550
[  546.312930][ T7760]  ? send_break+0x3e0/0x3e0
[  546.317733][ T7760]  ? reacquire_held_locks+0x4b0/0x4b0
[  546.323663][ T7760]  ? sigprocmask+0xf1/0x330
[  546.328218][ T7760]  ? do_sigtimedwait+0x5c0/0x5c0
[  546.333210][ T7760]  ? __fget_files+0x272/0x410
[  546.338232][ T7760]  ? bpf_lsm_file_ioctl+0x9/0x10
[  546.343234][ T7760]  ? send_break+0x3e0/0x3e0
[  546.347766][ T7760]  __x64_sys_ioctl+0x18f/0x210
[  546.352740][ T7760]  do_syscall_64+0x38/0xb0
[  546.357180][ T7760]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  546.363197][ T7760] RIP: 0033:0x7fe65e0fd6e9
[  546.367644][ T7760] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  546.387472][ T7760] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  546.395914][ T7760] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  546.404071][ T7760] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  546.412054][ T7760] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  546.420044][ T7760] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  546.428126][ T7760] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  546.436140][ T7760]  </TASK>
[  546.448437][ T7760] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.826257][ T7763] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.852870][ T7763] CPU: 1 PID: 7763 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  546.862162][ T7763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  546.872278][ T7763] Call Trace:
[  546.875699][ T7763]  <TASK>
[  546.878667][ T7763]  dump_stack_lvl+0x125/0x1b0
[  546.883843][ T7763]  sysfs_warn_dup+0x7f/0xa0
[  546.886360][ T7764] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.888402][ T7763]  sysfs_create_dir_ns+0x237/0x290
[  546.902565][ T7763]  ? sysfs_create_mount_point+0xb0/0xb0
[  546.908339][ T7763]  ? spin_bug+0x1d0/0x1d0
[  546.912724][ T7763]  ? class_dir_child_ns_type+0xd/0x60
[  546.918141][ T7763]  kobject_add_internal+0x2c8/0x960
[  546.923385][ T7763]  kobject_add+0x154/0x220
[  546.927827][ T7763]  ? kset_create_and_add+0x190/0x190
[  546.933163][ T7763]  ? do_raw_spin_unlock+0x173/0x230
[  546.938407][ T7763]  ? kobject_put+0xbe/0x440
[  546.943042][ T7763]  device_add+0x289/0x1a90
[  546.947592][ T7763]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  546.954569][ T7763]  ? __init_waitqueue_head+0xca/0x150
[  546.960139][ T7763]  tty_register_device_attr+0x382/0x7c0
[  546.965827][ T7763]  ? lockdep_init_map_type+0x16d/0x7c0
[  546.971355][ T7763]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  546.977045][ T7763]  ? lockdep_init_map_type+0x16d/0x7c0
[  546.982745][ T7763]  ? __raw_spin_lock_init+0x3a/0x110
[  546.988202][ T7763]  ? tty_port_init+0x156/0x1b0
[  546.993025][ T7763]  gsm_activate_mux+0x170/0x2f0
[  546.997935][ T7763]  gsmld_ioctl+0x876/0x1510
[  547.002492][ T7763]  ? gsm_dlci_config+0xf00/0xf00
[  547.007908][ T7763]  ? __ldsem_down_read_nested+0xe4/0x910
[  547.013669][ T7763]  ? __ldsem_down_read_nested+0xf4/0x910
[  547.019516][ T7763]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  547.024933][ T7763]  ? vt_waitactive+0x360/0x360
[  547.029854][ T7763]  ? gsm_dlci_config+0xf00/0xf00
[  547.035218][ T7763]  tty_ioctl+0x6f8/0x1550
[  547.039607][ T7763]  ? send_break+0x3e0/0x3e0
[  547.044156][ T7763]  ? reacquire_held_locks+0x4b0/0x4b0
[  547.049575][ T7763]  ? rcu_is_watching+0x12/0xb0
[  547.054398][ T7763]  ? do_one_initcall+0xf0/0x620
[  547.059317][ T7763]  ? __fget_files+0x272/0x410
[  547.064139][ T7763]  ? bpf_lsm_file_ioctl+0x9/0x10
[  547.069119][ T7763]  ? send_break+0x3e0/0x3e0
[  547.073685][ T7763]  __x64_sys_ioctl+0x18f/0x210
[  547.078541][ T7763]  do_syscall_64+0x38/0xb0
[  547.083007][ T7763]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  547.088939][ T7763] RIP: 0033:0x7fe65e0fd6e9
[  547.093377][ T7763] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  547.113039][ T7763] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  547.121513][ T7763] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  547.129523][ T7763] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  547.137524][ T7763] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  547.145527][ T7763] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  547.153722][ T7763] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  547.161846][ T7763]  </TASK>
[  547.174212][ T7764] CPU: 1 PID: 7764 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  547.183662][ T7764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  547.193810][ T7764] Call Trace:
[  547.197100][ T7764]  <TASK>
[  547.200067][ T7764]  dump_stack_lvl+0x125/0x1b0
[  547.204895][ T7764]  sysfs_warn_dup+0x7f/0xa0
[  547.209450][ T7764]  sysfs_create_dir_ns+0x237/0x290
[  547.214591][ T7764]  ? sysfs_create_mount_point+0xb0/0xb0
[  547.220169][ T7764]  ? spin_bug+0x1d0/0x1d0
[  547.224540][ T7764]  ? class_dir_child_ns_type+0xd/0x60
[  547.229936][ T7764]  kobject_add_internal+0x2c8/0x960
[  547.235167][ T7764]  kobject_add+0x154/0x220
[  547.239606][ T7764]  ? kset_create_and_add+0x190/0x190
[  547.244915][ T7764]  ? do_raw_spin_unlock+0x173/0x230
[  547.250144][ T7764]  ? kobject_put+0xbe/0x440
[  547.254678][ T7764]  device_add+0x289/0x1a90
[  547.259128][ T7764]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  547.266011][ T7764]  ? __init_waitqueue_head+0xca/0x150
[  547.271426][ T7764]  tty_register_device_attr+0x382/0x7c0
[  547.277047][ T7764]  ? lockdep_init_map_type+0x16d/0x7c0
[  547.282643][ T7764]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  547.288214][ T7764]  ? lockdep_init_map_type+0x16d/0x7c0
[  547.293706][ T7764]  ? __raw_spin_lock_init+0x3a/0x110
[  547.299134][ T7764]  ? tty_port_init+0x156/0x1b0
[  547.303973][ T7764]  gsm_activate_mux+0x170/0x2f0
[  547.308876][ T7764]  gsmld_ioctl+0x876/0x1510
[  547.313422][ T7764]  ? gsm_dlci_config+0xf00/0xf00
[  547.318436][ T7764]  ? __ldsem_down_read_nested+0xe4/0x910
[  547.324090][ T7764]  ? __ldsem_down_read_nested+0xf4/0x910
[  547.329754][ T7764]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  547.335412][ T7764]  ? vt_waitactive+0x360/0x360
[  547.340223][ T7764]  ? gsm_dlci_config+0xf00/0xf00
[  547.345224][ T7764]  tty_ioctl+0x6f8/0x1550
[  547.349699][ T7764]  ? send_break+0x3e0/0x3e0
[  547.354327][ T7764]  ? reacquire_held_locks+0x4b0/0x4b0
[  547.359819][ T7764]  ? sigprocmask+0xf1/0x330
[  547.364471][ T7764]  ? do_sigtimedwait+0x5c0/0x5c0
[  547.373877][ T7764]  ? __fget_files+0x272/0x410
[  547.378591][ T7764]  ? bpf_lsm_file_ioctl+0x9/0x10
[  547.383819][ T7764]  ? send_break+0x3e0/0x3e0
[  547.388437][ T7764]  __x64_sys_ioctl+0x18f/0x210
[  547.393326][ T7764]  do_syscall_64+0x38/0xb0
[  547.397860][ T7764]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  547.404040][ T7764] RIP: 0033:0x7fe65e0fd6e9
[  547.408512][ T7764] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  547.428350][ T7764] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  547.437071][ T7764] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  547.445581][ T7764] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  547.453826][ T7764] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  547.461926][ T7764] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  547.470042][ T7764] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  547.478142][ T7764]  </TASK>
[  547.481445][ T7763] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.549050][ T7764] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.881703][ T7767] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  547.904005][ T7767] CPU: 0 PID: 7767 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  547.913312][ T7767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  547.923411][ T7767] Call Trace:
[  547.926719][ T7767]  <TASK>
[  547.929767][ T7767]  dump_stack_lvl+0x125/0x1b0
[  547.934492][ T7767]  sysfs_warn_dup+0x7f/0xa0
[  547.939049][ T7767]  sysfs_create_dir_ns+0x237/0x290
[  547.944389][ T7767]  ? sysfs_create_mount_point+0xb0/0xb0
[  547.949987][ T7767]  ? spin_bug+0x1d0/0x1d0
[  547.954379][ T7767]  ? class_dir_child_ns_type+0xd/0x60
[  547.959799][ T7767]  kobject_add_internal+0x2c8/0x960
[  547.965061][ T7767]  kobject_add+0x154/0x220
[  547.969617][ T7767]  ? kset_create_and_add+0x190/0x190
[  547.974966][ T7767]  ? do_raw_spin_unlock+0x173/0x230
[  547.980259][ T7767]  ? kobject_put+0xbe/0x440
[  547.984832][ T7767]  device_add+0x289/0x1a90
[  547.989492][ T7767]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  547.996684][ T7767]  ? __init_waitqueue_head+0xca/0x150
[  548.002135][ T7767]  tty_register_device_attr+0x382/0x7c0
[  548.007754][ T7767]  ? lockdep_init_map_type+0x16d/0x7c0
[  548.013337][ T7767]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  548.019210][ T7767]  ? lockdep_init_map_type+0x16d/0x7c0
[  548.024740][ T7767]  ? __raw_spin_lock_init+0x3a/0x110
[  548.030098][ T7767]  ? tty_port_init+0x156/0x1b0
[  548.034923][ T7767]  gsm_activate_mux+0x170/0x2f0
[  548.039958][ T7767]  gsmld_ioctl+0x876/0x1510
[  548.044543][ T7767]  ? gsm_dlci_config+0xf00/0xf00
[  548.049639][ T7767]  ? __ldsem_down_read_nested+0xe4/0x910
[  548.055342][ T7767]  ? __ldsem_down_read_nested+0xf4/0x910
[  548.061124][ T7767]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  548.066716][ T7767]  ? vt_waitactive+0x360/0x360
[  548.071515][ T7767]  ? gsm_dlci_config+0xf00/0xf00
[  548.078688][ T7767]  tty_ioctl+0x6f8/0x1550
[  548.083154][ T7767]  ? send_break+0x3e0/0x3e0
[  548.088210][ T7767]  ? reacquire_held_locks+0x4b0/0x4b0
[  548.093608][ T7767]  ? rcu_is_watching+0x12/0xb0
[  548.098395][ T7767]  ? do_one_initcall+0xf0/0x620
[  548.103276][ T7767]  ? __fget_files+0x272/0x410
[  548.108100][ T7767]  ? bpf_lsm_file_ioctl+0x9/0x10
[  548.113113][ T7767]  ? send_break+0x3e0/0x3e0
[  548.117753][ T7767]  __x64_sys_ioctl+0x18f/0x210
[  548.122645][ T7767]  do_syscall_64+0x38/0xb0
[  548.127264][ T7767]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  548.133181][ T7767] RIP: 0033:0x7fe65e0fd6e9
[  548.137615][ T7767] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  548.157238][ T7767] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  548.165670][ T7767] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  548.173740][ T7767] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  548.181722][ T7767] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  548.189792][ T7767] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  548.198297][ T7767] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  548.206521][ T7767]  </TASK>
[  548.216506][ T7768] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  548.225157][ T7768] CPU: 0 PID: 7768 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  548.234411][ T7768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  548.244942][ T7768] Call Trace:
[  548.248258][ T7768]  <TASK>
[  548.251341][ T7768]  dump_stack_lvl+0x125/0x1b0
[  548.256075][ T7768]  sysfs_warn_dup+0x7f/0xa0
[  548.260809][ T7768]  sysfs_create_dir_ns+0x237/0x290
[  548.266145][ T7768]  ? sysfs_create_mount_point+0xb0/0xb0
[  548.271925][ T7768]  ? spin_bug+0x1d0/0x1d0
[  548.276324][ T7768]  ? class_dir_child_ns_type+0xd/0x60
[  548.281766][ T7768]  kobject_add_internal+0x2c8/0x960
[  548.287050][ T7768]  kobject_add+0x154/0x220
[  548.291541][ T7768]  ? kset_create_and_add+0x190/0x190
[  548.297153][ T7768]  ? do_raw_spin_unlock+0x173/0x230
[  548.302423][ T7768]  ? kobject_put+0xbe/0x440
[  548.307007][ T7768]  device_add+0x289/0x1a90
[  548.311507][ T7768]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  548.318423][ T7768]  ? __init_waitqueue_head+0xca/0x150
[  548.324123][ T7768]  tty_register_device_attr+0x382/0x7c0
[  548.329823][ T7768]  ? lockdep_init_map_type+0x16d/0x7c0
[  548.335344][ T7768]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  548.340933][ T7768]  ? lockdep_init_map_type+0x16d/0x7c0
[  548.346519][ T7768]  ? __raw_spin_lock_init+0x3a/0x110
[  548.351839][ T7768]  ? tty_port_init+0x156/0x1b0
[  548.356631][ T7768]  gsm_activate_mux+0x170/0x2f0
[  548.361515][ T7768]  gsmld_ioctl+0x876/0x1510
[  548.366059][ T7768]  ? gsm_dlci_config+0xf00/0xf00
[  548.371031][ T7768]  ? __ldsem_down_read_nested+0xe4/0x910
[  548.376856][ T7768]  ? __ldsem_down_read_nested+0xf4/0x910
[  548.382697][ T7768]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  548.388119][ T7768]  ? vt_waitactive+0x360/0x360
[  548.393026][ T7768]  ? gsm_dlci_config+0xf00/0xf00
[  548.398089][ T7768]  tty_ioctl+0x6f8/0x1550
[  548.402449][ T7768]  ? send_break+0x3e0/0x3e0
[  548.406984][ T7768]  ? reacquire_held_locks+0x4b0/0x4b0
[  548.412753][ T7768]  ? sigprocmask+0xf1/0x330
[  548.417402][ T7768]  ? do_sigtimedwait+0x5c0/0x5c0
[  548.422584][ T7768]  ? __fget_files+0x272/0x410
[  548.427480][ T7768]  ? bpf_lsm_file_ioctl+0x9/0x10
[  548.432802][ T7768]  ? send_break+0x3e0/0x3e0
[  548.437336][ T7768]  __x64_sys_ioctl+0x18f/0x210
[  548.442142][ T7768]  do_syscall_64+0x38/0xb0
[  548.446588][ T7768]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  548.452600][ T7768] RIP: 0033:0x7fe65e0fd6e9
[  548.457463][ T7768] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  548.477287][ T7768] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  548.485823][ T7768] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  548.493997][ T7768] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  548.501997][ T7768] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  548.510251][ T7768] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  548.518591][ T7768] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  548.526779][ T7768]  </TASK>
[  548.531658][ T7767] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.560878][ T7768] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.850106][ T7771] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  548.868021][ T7771] CPU: 1 PID: 7771 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  548.877585][ T7771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  548.887857][ T7771] Call Trace:
[  548.891172][ T7771]  <TASK>
[  548.894167][ T7771]  dump_stack_lvl+0x125/0x1b0
[  548.899075][ T7771]  sysfs_warn_dup+0x7f/0xa0
[  548.903632][ T7771]  sysfs_create_dir_ns+0x237/0x290
[  548.908902][ T7771]  ? sysfs_create_mount_point+0xb0/0xb0
[  548.914679][ T7771]  ? spin_bug+0x1d0/0x1d0
[  548.919054][ T7771]  ? class_dir_child_ns_type+0xd/0x60
[  548.924453][ T7771]  kobject_add_internal+0x2c8/0x960
[  548.929774][ T7771]  kobject_add+0x154/0x220
[  548.934212][ T7771]  ? kset_create_and_add+0x190/0x190
[  548.939527][ T7771]  ? do_raw_spin_unlock+0x173/0x230
[  548.944757][ T7771]  ? kobject_put+0xbe/0x440
[  548.949287][ T7771]  device_add+0x289/0x1a90
[  548.953886][ T7771]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  548.960766][ T7771]  ? __init_waitqueue_head+0xca/0x150
[  548.966174][ T7771]  tty_register_device_attr+0x382/0x7c0
[  548.971769][ T7771]  ? lockdep_init_map_type+0x16d/0x7c0
[  548.977531][ T7771]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  548.983207][ T7771]  ? lockdep_init_map_type+0x16d/0x7c0
[  548.988740][ T7771]  ? __raw_spin_lock_init+0x3a/0x110
[  548.994601][ T7771]  ? tty_port_init+0x156/0x1b0
[  548.999491][ T7771]  gsm_activate_mux+0x170/0x2f0
[  549.004624][ T7771]  gsmld_ioctl+0x876/0x1510
[  549.009295][ T7771]  ? gsm_dlci_config+0xf00/0xf00
[  549.014466][ T7771]  ? __ldsem_down_read_nested+0xe4/0x910
[  549.020247][ T7771]  ? __ldsem_down_read_nested+0xf4/0x910
[  549.026091][ T7771]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  549.031546][ T7771]  ? vt_waitactive+0x360/0x360
[  549.036438][ T7771]  ? gsm_dlci_config+0xf00/0xf00
[  549.041499][ T7771]  tty_ioctl+0x6f8/0x1550
[  549.045865][ T7771]  ? send_break+0x3e0/0x3e0
[  549.050668][ T7771]  ? reacquire_held_locks+0x4b0/0x4b0
[  549.056080][ T7771]  ? rcu_is_watching+0x12/0xb0
[  549.061215][ T7771]  ? do_one_initcall+0xf0/0x620
[  549.066098][ T7771]  ? __fget_files+0x272/0x410
[  549.070918][ T7771]  ? bpf_lsm_file_ioctl+0x9/0x10
[  549.075906][ T7771]  ? send_break+0x3e0/0x3e0
[  549.080617][ T7771]  __x64_sys_ioctl+0x18f/0x210
[  549.085423][ T7771]  do_syscall_64+0x38/0xb0
[  549.089869][ T7771]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  549.095802][ T7771] RIP: 0033:0x7fe65e0fd6e9
[  549.100232][ T7771] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  549.119962][ T7771] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  549.128505][ T7771] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  549.136521][ T7771] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  549.144513][ T7771] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  549.152769][ T7771] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  549.160849][ T7771] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  549.168862][ T7771]  </TASK>
[  549.183616][ T7771] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.202769][ T7772] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  549.234566][ T7772] CPU: 1 PID: 7772 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  549.244629][ T7772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  549.254819][ T7772] Call Trace:
[  549.258154][ T7772]  <TASK>
[  549.261124][ T7772]  dump_stack_lvl+0x125/0x1b0
[  549.266206][ T7772]  sysfs_warn_dup+0x7f/0xa0
[  549.275532][ T7772]  sysfs_create_dir_ns+0x237/0x290
[  549.280723][ T7772]  ? sysfs_create_mount_point+0xb0/0xb0
[  549.286328][ T7772]  ? spin_bug+0x1d0/0x1d0
[  549.290733][ T7772]  ? class_dir_child_ns_type+0xd/0x60
[  549.296259][ T7772]  kobject_add_internal+0x2c8/0x960
[  549.301527][ T7772]  kobject_add+0x154/0x220
[  549.306008][ T7772]  ? kset_create_and_add+0x190/0x190
[  549.311456][ T7772]  ? do_raw_spin_unlock+0x173/0x230
[  549.316739][ T7772]  ? kobject_put+0xbe/0x440
[  549.321321][ T7772]  device_add+0x289/0x1a90
[  549.325815][ T7772]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  549.332826][ T7772]  ? __init_waitqueue_head+0xca/0x150
[  549.338401][ T7772]  tty_register_device_attr+0x382/0x7c0
[  549.344012][ T7772]  ? lockdep_init_map_type+0x16d/0x7c0
[  549.349645][ T7772]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  549.355355][ T7772]  ? lockdep_init_map_type+0x16d/0x7c0
[  549.360971][ T7772]  ? __raw_spin_lock_init+0x3a/0x110
[  549.366518][ T7772]  ? tty_port_init+0x156/0x1b0
[  549.372167][ T7772]  gsm_activate_mux+0x170/0x2f0
[  549.377275][ T7772]  gsmld_ioctl+0x876/0x1510
[  549.381943][ T7772]  ? gsm_dlci_config+0xf00/0xf00
[  549.387020][ T7772]  ? __ldsem_down_read_nested+0xe4/0x910
[  549.392687][ T7772]  ? __ldsem_down_read_nested+0xf4/0x910
[  549.398629][ T7772]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  549.404141][ T7772]  ? vt_waitactive+0x360/0x360
[  549.408953][ T7772]  ? gsm_dlci_config+0xf00/0xf00
[  549.414058][ T7772]  tty_ioctl+0x6f8/0x1550
[  549.418692][ T7772]  ? send_break+0x3e0/0x3e0
[  549.423273][ T7772]  ? reacquire_held_locks+0x4b0/0x4b0
[  549.428849][ T7772]  ? sigprocmask+0xf1/0x330
[  549.433389][ T7772]  ? do_sigtimedwait+0x5c0/0x5c0
[  549.438463][ T7772]  ? __fget_files+0x272/0x410
[  549.443622][ T7772]  ? bpf_lsm_file_ioctl+0x9/0x10
[  549.448594][ T7772]  ? send_break+0x3e0/0x3e0
[  549.453252][ T7772]  __x64_sys_ioctl+0x18f/0x210
[  549.458142][ T7772]  do_syscall_64+0x38/0xb0
[  549.462689][ T7772]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  549.468606][ T7772] RIP: 0033:0x7fe65e0fd6e9
[  549.473041][ T7772] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  549.493632][ T7772] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  549.502169][ T7772] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  549.510172][ T7772] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  549.518249][ T7772] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  549.526355][ T7772] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  549.534686][ T7772] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  549.542917][ T7772]  </TASK>
[  549.551521][ T7772] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.858670][ T7775] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  549.870905][ T7775] CPU: 0 PID: 7775 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  549.880282][ T7775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  549.891383][ T7775] Call Trace:
[  549.894703][ T7775]  <TASK>
[  549.897674][ T7775]  dump_stack_lvl+0x125/0x1b0
[  549.902515][ T7775]  sysfs_warn_dup+0x7f/0xa0
[  549.907079][ T7775]  sysfs_create_dir_ns+0x237/0x290
[  549.912249][ T7775]  ? sysfs_create_mount_point+0xb0/0xb0
[  549.917863][ T7775]  ? spin_bug+0x1d0/0x1d0
[  549.922266][ T7775]  ? class_dir_child_ns_type+0xd/0x60
[  549.927716][ T7775]  kobject_add_internal+0x2c8/0x960
[  549.932986][ T7775]  kobject_add+0x154/0x220
[  549.937464][ T7775]  ? kset_create_and_add+0x190/0x190
[  549.942806][ T7775]  ? do_raw_spin_unlock+0x173/0x230
[  549.948070][ T7775]  ? kobject_put+0xbe/0x440
[  549.952640][ T7775]  device_add+0x289/0x1a90
[  549.957213][ T7775]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  549.964134][ T7775]  ? __init_waitqueue_head+0xca/0x150
[  549.969577][ T7775]  tty_register_device_attr+0x382/0x7c0
[  549.975193][ T7775]  ? lockdep_init_map_type+0x16d/0x7c0
[  549.980721][ T7775]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  549.986335][ T7775]  ? lockdep_init_map_type+0x16d/0x7c0
[  549.991947][ T7775]  ? __raw_spin_lock_init+0x3a/0x110
[  549.997304][ T7775]  ? tty_port_init+0x156/0x1b0
[  550.002409][ T7775]  gsm_activate_mux+0x170/0x2f0
[  550.007349][ T7775]  gsmld_ioctl+0x876/0x1510
[  550.011932][ T7775]  ? gsm_dlci_config+0xf00/0xf00
[  550.017119][ T7775]  ? __ldsem_down_read_nested+0xe4/0x910
[  550.022915][ T7775]  ? __ldsem_down_read_nested+0xf4/0x910
[  550.028981][ T7775]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  550.034425][ T7775]  ? vt_waitactive+0x360/0x360
[  550.039285][ T7775]  ? gsm_dlci_config+0xf00/0xf00
[  550.044293][ T7775]  tty_ioctl+0x6f8/0x1550
[  550.048743][ T7775]  ? send_break+0x3e0/0x3e0
[  550.053274][ T7775]  ? reacquire_held_locks+0x4b0/0x4b0
[  550.058676][ T7775]  ? rcu_is_watching+0x12/0xb0
[  550.063472][ T7775]  ? do_one_initcall+0xf0/0x620
[  550.068531][ T7775]  ? __fget_files+0x272/0x410
[  550.073501][ T7775]  ? bpf_lsm_file_ioctl+0x9/0x10
[  550.078642][ T7775]  ? send_break+0x3e0/0x3e0
[  550.083351][ T7775]  __x64_sys_ioctl+0x18f/0x210
[  550.088236][ T7775]  do_syscall_64+0x38/0xb0
[  550.092672][ T7775]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  550.098765][ T7775] RIP: 0033:0x7fe65e0fd6e9
[  550.103368][ T7775] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  550.123171][ T7775] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  550.131603][ T7775] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  550.139763][ T7775] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  550.147777][ T7775] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  550.155770][ T7775] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  550.164107][ T7775] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  550.172199][ T7775]  </TASK>
[  550.180619][ T7775] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.197234][ T7776] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.233003][ T7776] CPU: 1 PID: 7776 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  550.242369][ T7776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  550.252551][ T7776] Call Trace:
[  550.255922][ T7776]  <TASK>
[  550.258974][ T7776]  dump_stack_lvl+0x125/0x1b0
[  550.263708][ T7776]  sysfs_warn_dup+0x7f/0xa0
[  550.268283][ T7776]  sysfs_create_dir_ns+0x237/0x290
[  550.273453][ T7776]  ? sysfs_create_mount_point+0xb0/0xb0
[  550.279410][ T7776]  ? spin_bug+0x1d0/0x1d0
[  550.283817][ T7776]  ? class_dir_child_ns_type+0xd/0x60
[  550.289338][ T7776]  kobject_add_internal+0x2c8/0x960
[  550.294791][ T7776]  kobject_add+0x154/0x220
[  550.299361][ T7776]  ? kset_create_and_add+0x190/0x190
[  550.304801][ T7776]  ? do_raw_spin_unlock+0x173/0x230
[  550.310069][ T7776]  ? kobject_put+0xbe/0x440
[  550.314763][ T7776]  device_add+0x289/0x1a90
[  550.319337][ T7776]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  550.326373][ T7776]  ? __init_waitqueue_head+0xca/0x150
[  550.331815][ T7776]  tty_register_device_attr+0x382/0x7c0
[  550.337602][ T7776]  ? lockdep_init_map_type+0x16d/0x7c0
[  550.343132][ T7776]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  550.348746][ T7776]  ? lockdep_init_map_type+0x16d/0x7c0
[  550.354285][ T7776]  ? __raw_spin_lock_init+0x3a/0x110
[  550.359825][ T7776]  ? tty_port_init+0x156/0x1b0
[  550.364674][ T7776]  gsm_activate_mux+0x170/0x2f0
[  550.374716][ T7776]  gsmld_ioctl+0x876/0x1510
[  550.379245][ T7776]  ? gsm_dlci_config+0xf00/0xf00
[  550.384204][ T7776]  ? __ldsem_down_read_nested+0xe4/0x910
[  550.390213][ T7776]  ? __ldsem_down_read_nested+0xf4/0x910
[  550.395959][ T7776]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  550.401457][ T7776]  ? vt_waitactive+0x360/0x360
[  550.406410][ T7776]  ? gsm_dlci_config+0xf00/0xf00
[  550.411464][ T7776]  tty_ioctl+0x6f8/0x1550
[  550.415896][ T7776]  ? send_break+0x3e0/0x3e0
[  550.420498][ T7776]  ? reacquire_held_locks+0x4b0/0x4b0
[  550.425899][ T7776]  ? sigprocmask+0xf1/0x330
[  550.430448][ T7776]  ? do_sigtimedwait+0x5c0/0x5c0
[  550.435429][ T7776]  ? __fget_files+0x272/0x410
[  550.440243][ T7776]  ? bpf_lsm_file_ioctl+0x9/0x10
[  550.445225][ T7776]  ? send_break+0x3e0/0x3e0
[  550.449752][ T7776]  __x64_sys_ioctl+0x18f/0x210
[  550.454524][ T7776]  do_syscall_64+0x38/0xb0
[  550.459032][ T7776]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  550.464937][ T7776] RIP: 0033:0x7fe65e0fd6e9
[  550.469373][ T7776] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  550.489098][ T7776] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  550.497727][ T7776] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  550.505968][ T7776] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  550.514038][ T7776] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  550.522303][ T7776] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  550.530315][ T7776] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  550.539021][ T7776]  </TASK>
[  550.542836][ T7776] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.826203][ T7779] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.848162][ T7779] CPU: 1 PID: 7779 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  550.857531][ T7779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  550.867712][ T7779] Call Trace:
[  550.871028][ T7779]  <TASK>
[  550.874041][ T7779]  dump_stack_lvl+0x125/0x1b0
[  550.878800][ T7779]  sysfs_warn_dup+0x7f/0xa0
[  550.883364][ T7779]  sysfs_create_dir_ns+0x237/0x290
[  550.888541][ T7779]  ? sysfs_create_mount_point+0xb0/0xb0
[  550.894331][ T7779]  ? spin_bug+0x1d0/0x1d0
[  550.898733][ T7779]  ? class_dir_child_ns_type+0xd/0x60
[  550.904430][ T7779]  kobject_add_internal+0x2c8/0x960
[  550.909880][ T7779]  kobject_add+0x154/0x220
[  550.914362][ T7779]  ? kset_create_and_add+0x190/0x190
[  550.919718][ T7779]  ? do_raw_spin_unlock+0x173/0x230
[  550.925159][ T7779]  ? kobject_put+0xbe/0x440
[  550.929737][ T7779]  device_add+0x289/0x1a90
[  550.934249][ T7779]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  550.941434][ T7779]  ? __init_waitqueue_head+0xca/0x150
[  550.946871][ T7779]  tty_register_device_attr+0x382/0x7c0
[  550.952566][ T7779]  ? lockdep_init_map_type+0x16d/0x7c0
[  550.958350][ T7779]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  550.963965][ T7779]  ? lockdep_init_map_type+0x16d/0x7c0
[  550.969492][ T7779]  ? __raw_spin_lock_init+0x3a/0x110
[  550.974884][ T7779]  ? tty_port_init+0x156/0x1b0
[  550.979803][ T7779]  gsm_activate_mux+0x170/0x2f0
[  550.984821][ T7779]  gsmld_ioctl+0x876/0x1510
[  550.989399][ T7779]  ? gsm_dlci_config+0xf00/0xf00
[  550.994500][ T7779]  ? __ldsem_down_read_nested+0xe4/0x910
[  551.000196][ T7779]  ? __ldsem_down_read_nested+0xf4/0x910
[  551.005907][ T7779]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  551.011359][ T7779]  ? vt_waitactive+0x360/0x360
[  551.016279][ T7779]  ? gsm_dlci_config+0xf00/0xf00
[  551.021382][ T7779]  tty_ioctl+0x6f8/0x1550
[  551.025789][ T7779]  ? send_break+0x3e0/0x3e0
[  551.030380][ T7779]  ? reacquire_held_locks+0x4b0/0x4b0
[  551.035897][ T7779]  ? rcu_is_watching+0x12/0xb0
[  551.040781][ T7779]  ? do_one_initcall+0xf0/0x620
[  551.045690][ T7779]  ? __fget_files+0x272/0x410
[  551.050518][ T7779]  ? bpf_lsm_file_ioctl+0x9/0x10
[  551.055514][ T7779]  ? send_break+0x3e0/0x3e0
[  551.060080][ T7779]  __x64_sys_ioctl+0x18f/0x210
[  551.065172][ T7779]  do_syscall_64+0x38/0xb0
[  551.069650][ T7779]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  551.075779][ T7779] RIP: 0033:0x7fe65e0fd6e9
[  551.080430][ T7779] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  551.100714][ T7779] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  551.109184][ T7779] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  551.117468][ T7779] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  551.125484][ T7779] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  551.133494][ T7779] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  551.141508][ T7779] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  551.149541][ T7779]  </TASK>
[  551.162079][ T7779] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.444102][ T7782] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.471819][ T7782] CPU: 0 PID: 7782 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  551.481376][ T7782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  551.491732][ T7782] Call Trace:
[  551.495045][ T7782]  <TASK>
[  551.498190][ T7782]  dump_stack_lvl+0x125/0x1b0
[  551.503117][ T7782]  sysfs_warn_dup+0x7f/0xa0
[  551.507771][ T7782]  sysfs_create_dir_ns+0x237/0x290
[  551.514160][ T7782]  ? sysfs_create_mount_point+0xb0/0xb0
[  551.520301][ T7782]  ? spin_bug+0x1d0/0x1d0
[  551.524878][ T7782]  ? class_dir_child_ns_type+0xd/0x60
[  551.530486][ T7782]  kobject_add_internal+0x2c8/0x960
[  551.535912][ T7782]  kobject_add+0x154/0x220
[  551.540546][ T7782]  ? kset_create_and_add+0x190/0x190
[  551.545947][ T7782]  ? do_raw_spin_unlock+0x173/0x230
[  551.551388][ T7782]  ? kobject_put+0xbe/0x440
[  551.556141][ T7782]  device_add+0x289/0x1a90
[  551.560837][ T7782]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  551.567847][ T7782]  ? __init_waitqueue_head+0xca/0x150
[  551.573517][ T7782]  tty_register_device_attr+0x382/0x7c0
[  551.579277][ T7782]  ? lockdep_init_map_type+0x16d/0x7c0
[  551.585113][ T7782]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  551.591199][ T7782]  ? lockdep_init_map_type+0x16d/0x7c0
[  551.596744][ T7782]  ? __raw_spin_lock_init+0x3a/0x110
[  551.602326][ T7782]  ? tty_port_init+0x156/0x1b0
[  551.607375][ T7782]  gsm_activate_mux+0x170/0x2f0
[  551.612270][ T7782]  gsmld_ioctl+0x876/0x1510
[  551.617420][ T7782]  ? gsm_dlci_config+0xf00/0xf00
[  551.622601][ T7782]  ? __ldsem_down_read_nested+0xe4/0x910
[  551.628291][ T7782]  ? __ldsem_down_read_nested+0xf4/0x910
[  551.634048][ T7782]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  551.639466][ T7782]  ? vt_waitactive+0x360/0x360
[  551.644360][ T7782]  ? gsm_dlci_config+0xf00/0xf00
[  551.649412][ T7782]  tty_ioctl+0x6f8/0x1550
[  551.653868][ T7782]  ? send_break+0x3e0/0x3e0
[  551.658434][ T7782]  ? reacquire_held_locks+0x4b0/0x4b0
[  551.664143][ T7782]  ? rcu_is_watching+0x12/0xb0
[  551.668926][ T7782]  ? do_one_initcall+0xf0/0x620
[  551.673892][ T7782]  ? __fget_files+0x272/0x410
[  551.678865][ T7782]  ? bpf_lsm_file_ioctl+0x9/0x10
[  551.683943][ T7782]  ? send_break+0x3e0/0x3e0
[  551.688595][ T7782]  __x64_sys_ioctl+0x18f/0x210
[  551.693408][ T7782]  do_syscall_64+0x38/0xb0
[  551.697934][ T7782]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  551.703854][ T7782] RIP: 0033:0x7fe65e0fd6e9
[  551.708287][ T7782] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  551.728192][ T7782] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  551.736633][ T7782] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  551.744619][ T7782] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  551.752695][ T7782] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  551.760691][ T7782] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  551.768942][ T7782] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  551.777039][ T7782]  </TASK>
[  551.782254][ T7782] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.814593][ T7783] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.856233][ T7783] CPU: 1 PID: 7783 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  551.865532][ T7783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  551.875723][ T7783] Call Trace:
[  551.879042][ T7783]  <TASK>
[  551.882013][ T7783]  dump_stack_lvl+0x125/0x1b0
[  551.886755][ T7783]  sysfs_warn_dup+0x7f/0xa0
[  551.891324][ T7783]  sysfs_create_dir_ns+0x237/0x290
[  551.896493][ T7783]  ? sysfs_create_mount_point+0xb0/0xb0
[  551.902153][ T7783]  ? spin_bug+0x1d0/0x1d0
[  551.906657][ T7783]  ? class_dir_child_ns_type+0xd/0x60
[  551.912114][ T7783]  kobject_add_internal+0x2c8/0x960
[  551.917396][ T7783]  kobject_add+0x154/0x220
[  551.921899][ T7783]  ? kset_create_and_add+0x190/0x190
[  551.927250][ T7783]  ? do_raw_spin_unlock+0x173/0x230
[  551.932695][ T7783]  ? kobject_put+0xbe/0x440
[  551.937278][ T7783]  device_add+0x289/0x1a90
[  551.941761][ T7783]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  551.948682][ T7783]  ? __init_waitqueue_head+0xca/0x150
[  551.954114][ T7783]  tty_register_device_attr+0x382/0x7c0
[  551.959722][ T7783]  ? lockdep_init_map_type+0x16d/0x7c0
[  551.965328][ T7783]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  551.971044][ T7783]  ? lockdep_init_map_type+0x16d/0x7c0
[  551.976575][ T7783]  ? __raw_spin_lock_init+0x3a/0x110
[  551.981998][ T7783]  ? tty_port_init+0x156/0x1b0
[  551.986840][ T7783]  gsm_activate_mux+0x170/0x2f0
[  551.991773][ T7783]  gsmld_ioctl+0x876/0x1510
[  551.996441][ T7783]  ? gsm_dlci_config+0xf00/0xf00
[  552.001458][ T7783]  ? __ldsem_down_read_nested+0xe4/0x910
[  552.007153][ T7783]  ? __ldsem_down_read_nested+0xf4/0x910
[  552.012852][ T7783]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  552.018355][ T7783]  ? vt_waitactive+0x360/0x360
[  552.023179][ T7783]  ? gsm_dlci_config+0xf00/0xf00
[  552.028140][ T7783]  tty_ioctl+0x6f8/0x1550
[  552.032478][ T7783]  ? send_break+0x3e0/0x3e0
[  552.037073][ T7783]  ? reacquire_held_locks+0x4b0/0x4b0
[  552.042547][ T7783]  ? sigprocmask+0xf1/0x330
[  552.047065][ T7783]  ? do_sigtimedwait+0x5c0/0x5c0
[  552.052045][ T7783]  ? __fget_files+0x272/0x410
[  552.057210][ T7783]  ? bpf_lsm_file_ioctl+0x9/0x10
[  552.062941][ T7783]  ? send_break+0x3e0/0x3e0
[  552.067455][ T7783]  __x64_sys_ioctl+0x18f/0x210
[  552.072237][ T7783]  do_syscall_64+0x38/0xb0
[  552.076837][ T7783]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  552.082851][ T7783] RIP: 0033:0x7fe65e0fd6e9
[  552.087353][ T7783] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  552.106980][ T7783] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  552.115419][ T7783] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  552.123597][ T7783] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  552.131589][ T7783] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  552.139734][ T7783] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  552.148048][ T7783] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  552.156128][ T7783]  </TASK>
[  552.159930][ T7783] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.437946][ T7786] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  552.448911][ T7786] CPU: 0 PID: 7786 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  552.458526][ T7786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  552.468633][ T7786] Call Trace:
[  552.472087][ T7786]  <TASK>
[  552.475144][ T7786]  dump_stack_lvl+0x125/0x1b0
[  552.480048][ T7786]  sysfs_warn_dup+0x7f/0xa0
[  552.484698][ T7786]  sysfs_create_dir_ns+0x237/0x290
[  552.489881][ T7786]  ? sysfs_create_mount_point+0xb0/0xb0
[  552.495750][ T7786]  ? spin_bug+0x1d0/0x1d0
[  552.500238][ T7786]  ? class_dir_child_ns_type+0xd/0x60
[  552.505673][ T7786]  kobject_add_internal+0x2c8/0x960
[  552.511028][ T7786]  kobject_add+0x154/0x220
[  552.515506][ T7786]  ? kset_create_and_add+0x190/0x190
[  552.520852][ T7786]  ? do_raw_spin_unlock+0x173/0x230
[  552.526299][ T7786]  ? kobject_put+0xbe/0x440
[  552.531238][ T7786]  device_add+0x289/0x1a90
[  552.535905][ T7786]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  552.542913][ T7786]  ? __init_waitqueue_head+0xca/0x150
[  552.548384][ T7786]  tty_register_device_attr+0x382/0x7c0
[  552.553994][ T7786]  ? lockdep_init_map_type+0x16d/0x7c0
[  552.559603][ T7786]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  552.565292][ T7786]  ? lockdep_init_map_type+0x16d/0x7c0
[  552.575778][ T7786]  ? __raw_spin_lock_init+0x3a/0x110
[  552.581230][ T7786]  ? tty_port_init+0x156/0x1b0
[  552.586058][ T7786]  gsm_activate_mux+0x170/0x2f0
[  552.591679][ T7786]  gsmld_ioctl+0x876/0x1510
[  552.596481][ T7786]  ? gsm_dlci_config+0xf00/0xf00
[  552.601495][ T7786]  ? __ldsem_down_read_nested+0xe4/0x910
[  552.607196][ T7786]  ? __ldsem_down_read_nested+0xf4/0x910
[  552.612909][ T7786]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  552.618361][ T7786]  ? vt_waitactive+0x360/0x360
[  552.623199][ T7786]  ? gsm_dlci_config+0xf00/0xf00
[  552.628202][ T7786]  tty_ioctl+0x6f8/0x1550
[  552.632682][ T7786]  ? send_break+0x3e0/0x3e0
[  552.637263][ T7786]  ? reacquire_held_locks+0x4b0/0x4b0
[  552.642716][ T7786]  ? rcu_is_watching+0x12/0xb0
[  552.647628][ T7786]  ? do_one_initcall+0xf0/0x620
[  552.652559][ T7786]  ? __fget_files+0x272/0x410
[  552.657401][ T7786]  ? bpf_lsm_file_ioctl+0x9/0x10
[  552.662399][ T7786]  ? send_break+0x3e0/0x3e0
[  552.667055][ T7786]  __x64_sys_ioctl+0x18f/0x210
[  552.671895][ T7786]  do_syscall_64+0x38/0xb0
[  552.676543][ T7786]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  552.682752][ T7786] RIP: 0033:0x7fe65e0fd6e9
[  552.687300][ T7786] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  552.707348][ T7786] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  552.716941][ T7786] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  552.725155][ T7786] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  552.733167][ T7786] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  552.741353][ T7786] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  552.749367][ T7786] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  552.757400][ T7786]  </TASK>
[  552.766346][ T7786] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.078884][ T7789] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  553.124991][ T7789] CPU: 1 PID: 7789 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  553.134363][ T7789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  553.144750][ T7789] Call Trace:
[  553.148145][ T7789]  <TASK>
[  553.151196][ T7789]  dump_stack_lvl+0x125/0x1b0
[  553.156015][ T7789]  sysfs_warn_dup+0x7f/0xa0
[  553.160569][ T7789]  sysfs_create_dir_ns+0x237/0x290
[  553.165844][ T7789]  ? sysfs_create_mount_point+0xb0/0xb0
[  553.171442][ T7789]  ? spin_bug+0x1d0/0x1d0
[  553.177316][ T7789]  ? class_dir_child_ns_type+0xd/0x60
[  553.182787][ T7789]  kobject_add_internal+0x2c8/0x960
[  553.188056][ T7789]  kobject_add+0x154/0x220
[  553.192625][ T7789]  ? kset_create_and_add+0x190/0x190
[  553.197978][ T7789]  ? do_raw_spin_unlock+0x173/0x230
[  553.203254][ T7789]  ? kobject_put+0xbe/0x440
[  553.207965][ T7789]  device_add+0x289/0x1a90
[  553.212449][ T7789]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  553.219376][ T7789]  ? __init_waitqueue_head+0xca/0x150
[  553.225038][ T7789]  tty_register_device_attr+0x382/0x7c0
[  553.230661][ T7789]  ? lockdep_init_map_type+0x16d/0x7c0
[  553.236186][ T7789]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  553.241821][ T7789]  ? lockdep_init_map_type+0x16d/0x7c0
[  553.247438][ T7789]  ? __raw_spin_lock_init+0x3a/0x110
[  553.252875][ T7789]  ? tty_port_init+0x156/0x1b0
[  553.257702][ T7789]  gsm_activate_mux+0x170/0x2f0
[  553.262960][ T7789]  gsmld_ioctl+0x876/0x1510
[  553.267770][ T7789]  ? gsm_dlci_config+0xf00/0xf00
[  553.272859][ T7789]  ? __ldsem_down_read_nested+0xe4/0x910
[  553.278643][ T7789]  ? __ldsem_down_read_nested+0xf4/0x910
[  553.284340][ T7789]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  553.289881][ T7789]  ? vt_waitactive+0x360/0x360
[  553.294811][ T7789]  ? gsm_dlci_config+0xf00/0xf00
[  553.300001][ T7789]  tty_ioctl+0x6f8/0x1550
[  553.304496][ T7789]  ? send_break+0x3e0/0x3e0
[  553.309253][ T7789]  ? reacquire_held_locks+0x4b0/0x4b0
[  553.314857][ T7789]  ? rcu_is_watching+0x12/0xb0
[  553.319778][ T7789]  ? do_one_initcall+0xf0/0x620
[  553.324766][ T7789]  ? __fget_files+0x272/0x410
[  553.329529][ T7789]  ? bpf_lsm_file_ioctl+0x9/0x10
[  553.335126][ T7789]  ? send_break+0x3e0/0x3e0
[  553.339686][ T7789]  __x64_sys_ioctl+0x18f/0x210
[  553.344506][ T7789]  do_syscall_64+0x38/0xb0
[  553.349006][ T7789]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  553.355055][ T7789] RIP: 0033:0x7fe65e0fd6e9
[  553.359674][ T7789] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  553.379641][ T7789] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  553.388201][ T7789] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  553.396219][ T7789] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  553.404234][ T7789] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  553.412363][ T7789] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  553.420518][ T7789] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  553.428504][ T7789]  </TASK>
[  553.432553][ T7789] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.713324][ T7793] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  553.725905][ T7793] CPU: 0 PID: 7793 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  553.735173][ T7793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  553.745269][ T7793] Call Trace:
[  553.748579][ T7793]  <TASK>
[  553.751541][ T7793]  dump_stack_lvl+0x125/0x1b0
[  553.756270][ T7793]  sysfs_warn_dup+0x7f/0xa0
[  553.760829][ T7793]  sysfs_create_dir_ns+0x237/0x290
[  553.765997][ T7793]  ? sysfs_create_mount_point+0xb0/0xb0
[  553.771857][ T7793]  ? spin_bug+0x1d0/0x1d0
[  553.776526][ T7793]  ? class_dir_child_ns_type+0xd/0x60
[  553.781965][ T7793]  kobject_add_internal+0x2c8/0x960
[  553.787239][ T7793]  kobject_add+0x154/0x220
[  553.792029][ T7793]  ? kset_create_and_add+0x190/0x190
[  553.797431][ T7793]  ? do_raw_spin_unlock+0x173/0x230
[  553.802749][ T7793]  ? kobject_put+0xbe/0x440
[  553.807407][ T7793]  device_add+0x289/0x1a90
[  553.811998][ T7793]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  553.818972][ T7793]  ? __init_waitqueue_head+0xca/0x150
[  553.824561][ T7793]  tty_register_device_attr+0x382/0x7c0
[  553.830224][ T7793]  ? lockdep_init_map_type+0x16d/0x7c0
[  553.835722][ T7793]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  553.841903][ T7793]  ? lockdep_init_map_type+0x16d/0x7c0
[  553.847393][ T7793]  ? __raw_spin_lock_init+0x3a/0x110
[  553.852719][ T7793]  ? tty_port_init+0x156/0x1b0
[  553.857608][ T7793]  gsm_activate_mux+0x170/0x2f0
[  553.862498][ T7793]  gsmld_ioctl+0x876/0x1510
[  553.867065][ T7793]  ? gsm_dlci_config+0xf00/0xf00
[  553.872036][ T7793]  ? __ldsem_down_read_nested+0xe4/0x910
[  553.877777][ T7793]  ? __ldsem_down_read_nested+0xf4/0x910
[  553.883447][ T7793]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  553.888946][ T7793]  ? vt_waitactive+0x360/0x360
[  553.893760][ T7793]  ? gsm_dlci_config+0xf00/0xf00
[  553.898823][ T7793]  tty_ioctl+0x6f8/0x1550
[  553.903185][ T7793]  ? send_break+0x3e0/0x3e0
[  553.907983][ T7793]  ? reacquire_held_locks+0x4b0/0x4b0
[  553.913380][ T7793]  ? rcu_is_watching+0x12/0xb0
[  553.918175][ T7793]  ? do_one_initcall+0xf0/0x620
[  553.923231][ T7793]  ? __fget_files+0x272/0x410
[  553.927943][ T7793]  ? bpf_lsm_file_ioctl+0x9/0x10
[  553.932911][ T7793]  ? send_break+0x3e0/0x3e0
[  553.937442][ T7793]  __x64_sys_ioctl+0x18f/0x210
[  553.942334][ T7793]  do_syscall_64+0x38/0xb0
[  553.946772][ T7793]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  553.952777][ T7793] RIP: 0033:0x7fe65e0fd6e9
[  553.957389][ T7793] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  553.977190][ T7793] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  553.985711][ T7793] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  553.993780][ T7793] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  554.002370][ T7793] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  554.010447][ T7793] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  554.018777][ T7793] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  554.026953][ T7793]  </TASK>
[  554.046620][ T7794] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  554.080384][ T7793] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  554.108114][ T7794] CPU: 1 PID: 7794 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  554.117391][ T7794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  554.127585][ T7794] Call Trace:
[  554.130982][ T7794]  <TASK>
[  554.133981][ T7794]  dump_stack_lvl+0x125/0x1b0
[  554.138946][ T7794]  sysfs_warn_dup+0x7f/0xa0
[  554.143497][ T7794]  sysfs_create_dir_ns+0x237/0x290
[  554.148655][ T7794]  ? sysfs_create_mount_point+0xb0/0xb0
[  554.154335][ T7794]  ? spin_bug+0x1d0/0x1d0
[  554.159716][ T7794]  ? class_dir_child_ns_type+0xd/0x60
[  554.165234][ T7794]  kobject_add_internal+0x2c8/0x960
[  554.170583][ T7794]  kobject_add+0x154/0x220
[  554.175060][ T7794]  ? kset_create_and_add+0x190/0x190
[  554.180418][ T7794]  ? do_raw_spin_unlock+0x173/0x230
[  554.185780][ T7794]  ? kobject_put+0xbe/0x440
[  554.190447][ T7794]  device_add+0x289/0x1a90
[  554.195032][ T7794]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  554.201955][ T7794]  ? __init_waitqueue_head+0xca/0x150
[  554.207395][ T7794]  tty_register_device_attr+0x382/0x7c0
[  554.213008][ T7794]  ? lockdep_init_map_type+0x16d/0x7c0
[  554.218846][ T7794]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  554.224508][ T7794]  ? lockdep_init_map_type+0x16d/0x7c0
[  554.230085][ T7794]  ? __raw_spin_lock_init+0x3a/0x110
[  554.235497][ T7794]  ? tty_port_init+0x156/0x1b0
[  554.240375][ T7794]  gsm_activate_mux+0x170/0x2f0
[  554.245272][ T7794]  gsmld_ioctl+0x876/0x1510
[  554.249991][ T7794]  ? gsm_dlci_config+0xf00/0xf00
[  554.254965][ T7794]  ? __ldsem_down_read_nested+0xe4/0x910
[  554.260714][ T7794]  ? __ldsem_down_read_nested+0xf4/0x910
[  554.266495][ T7794]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  554.271996][ T7794]  ? vt_waitactive+0x360/0x360
[  554.276796][ T7794]  ? gsm_dlci_config+0xf00/0xf00
[  554.281849][ T7794]  tty_ioctl+0x6f8/0x1550
[  554.286231][ T7794]  ? send_break+0x3e0/0x3e0
[  554.290851][ T7794]  ? reacquire_held_locks+0x4b0/0x4b0
[  554.296250][ T7794]  ? sigprocmask+0xf1/0x330
[  554.300794][ T7794]  ? do_sigtimedwait+0x5c0/0x5c0
[  554.306062][ T7794]  ? __fget_files+0x272/0x410
[  554.310889][ T7794]  ? bpf_lsm_file_ioctl+0x9/0x10
[  554.315866][ T7794]  ? send_break+0x3e0/0x3e0
[  554.320405][ T7794]  __x64_sys_ioctl+0x18f/0x210
[  554.325208][ T7794]  do_syscall_64+0x38/0xb0
[  554.329683][ T7794]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  554.335669][ T7794] RIP: 0033:0x7fe65e0fd6e9
[  554.340125][ T7794] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  554.359962][ T7794] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  554.368424][ T7794] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  554.376435][ T7794] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  554.384426][ T7794] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  554.392590][ T7794] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  554.400745][ T7794] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  554.408747][ T7794]  </TASK>
[  554.425988][ T7794] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  554.719147][ T7797] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  554.728996][ T7797] CPU: 0 PID: 7797 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  554.738253][ T7797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  554.748604][ T7797] Call Trace:
[  554.751982][ T7797]  <TASK>
[  554.754956][ T7797]  dump_stack_lvl+0x125/0x1b0
[  554.759860][ T7797]  sysfs_warn_dup+0x7f/0xa0
[  554.764509][ T7797]  sysfs_create_dir_ns+0x237/0x290
[  554.769867][ T7797]  ? sysfs_create_mount_point+0xb0/0xb0
[  554.775825][ T7797]  ? spin_bug+0x1d0/0x1d0
[  554.780364][ T7797]  ? class_dir_child_ns_type+0xd/0x60
[  554.785799][ T7797]  kobject_add_internal+0x2c8/0x960
[  554.791064][ T7797]  kobject_add+0x154/0x220
[  554.795602][ T7797]  ? kset_create_and_add+0x190/0x190
[  554.801123][ T7797]  ? do_raw_spin_unlock+0x173/0x230
[  554.806391][ T7797]  ? kobject_put+0xbe/0x440
[  554.810976][ T7797]  device_add+0x289/0x1a90
[  554.815461][ T7797]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  554.822386][ T7797]  ? __init_waitqueue_head+0xca/0x150
[  554.827843][ T7797]  tty_register_device_attr+0x382/0x7c0
[  554.833454][ T7797]  ? lockdep_init_map_type+0x16d/0x7c0
[  554.838981][ T7797]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  554.844860][ T7797]  ? lockdep_init_map_type+0x16d/0x7c0
[  554.850394][ T7797]  ? __raw_spin_lock_init+0x3a/0x110
[  554.855743][ T7797]  ? tty_port_init+0x156/0x1b0
[  554.860742][ T7797]  gsm_activate_mux+0x170/0x2f0
[  554.865678][ T7797]  gsmld_ioctl+0x876/0x1510
[  554.870256][ T7797]  ? gsm_dlci_config+0xf00/0xf00
[  554.875258][ T7797]  ? __ldsem_down_read_nested+0xe4/0x910
[  554.881045][ T7797]  ? __ldsem_down_read_nested+0xf4/0x910
[  554.887005][ T7797]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  554.893057][ T7797]  ? vt_waitactive+0x360/0x360
[  554.897897][ T7797]  ? gsm_dlci_config+0xf00/0xf00
[  554.902903][ T7797]  tty_ioctl+0x6f8/0x1550
[  554.907308][ T7797]  ? send_break+0x3e0/0x3e0
[  554.911878][ T7797]  ? reacquire_held_locks+0x4b0/0x4b0
[  554.917400][ T7797]  ? rcu_is_watching+0x12/0xb0
[  554.922268][ T7797]  ? do_one_initcall+0xf0/0x620
[  554.927202][ T7797]  ? __fget_files+0x272/0x410
[  554.932044][ T7797]  ? bpf_lsm_file_ioctl+0x9/0x10
[  554.937126][ T7797]  ? send_break+0x3e0/0x3e0
[  554.941775][ T7797]  __x64_sys_ioctl+0x18f/0x210
[  554.947558][ T7797]  do_syscall_64+0x38/0xb0
[  554.952458][ T7797]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  554.958496][ T7797] RIP: 0033:0x7fe65e0fd6e9
[  554.962948][ T7797] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  554.984688][ T7797] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  554.993303][ T7797] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  555.001583][ T7797] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  555.009691][ T7797] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  555.018880][ T7797] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  555.027096][ T7797] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  555.035139][ T7797]  </TASK>
[  555.058916][ T7797] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.335902][ T7800] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.354887][ T7800] CPU: 0 PID: 7800 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  555.364253][ T7800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  555.374524][ T7800] Call Trace:
[  555.377856][ T7800]  <TASK>
[  555.380818][ T7800]  dump_stack_lvl+0x125/0x1b0
[  555.385556][ T7800]  sysfs_warn_dup+0x7f/0xa0
[  555.390330][ T7800]  sysfs_create_dir_ns+0x237/0x290
[  555.395864][ T7800]  ? sysfs_create_mount_point+0xb0/0xb0
[  555.401654][ T7800]  ? spin_bug+0x1d0/0x1d0
[  555.406057][ T7800]  ? class_dir_child_ns_type+0xd/0x60
[  555.411487][ T7800]  kobject_add_internal+0x2c8/0x960
[  555.416751][ T7800]  kobject_add+0x154/0x220
[  555.421320][ T7800]  ? kset_create_and_add+0x190/0x190
[  555.426762][ T7800]  ? do_raw_spin_unlock+0x173/0x230
[  555.432113][ T7800]  ? kobject_put+0xbe/0x440
[  555.436784][ T7800]  device_add+0x289/0x1a90
[  555.441354][ T7800]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  555.448444][ T7800]  ? __init_waitqueue_head+0xca/0x150
[  555.453980][ T7800]  tty_register_device_attr+0x382/0x7c0
[  555.459590][ T7800]  ? lockdep_init_map_type+0x16d/0x7c0
[  555.465212][ T7800]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  555.470818][ T7800]  ? lockdep_init_map_type+0x16d/0x7c0
[  555.476441][ T7800]  ? __raw_spin_lock_init+0x3a/0x110
[  555.481800][ T7800]  ? tty_port_init+0x156/0x1b0
[  555.486630][ T7800]  gsm_activate_mux+0x170/0x2f0
[  555.491553][ T7800]  gsmld_ioctl+0x876/0x1510
[  555.496571][ T7800]  ? gsm_dlci_config+0xf00/0xf00
[  555.501854][ T7800]  ? __ldsem_down_read_nested+0xe4/0x910
[  555.507895][ T7800]  ? __ldsem_down_read_nested+0xf4/0x910
[  555.513872][ T7800]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  555.519845][ T7800]  ? vt_waitactive+0x360/0x360
[  555.524688][ T7800]  ? gsm_dlci_config+0xf00/0xf00
[  555.529783][ T7800]  tty_ioctl+0x6f8/0x1550
[  555.534317][ T7800]  ? send_break+0x3e0/0x3e0
[  555.538892][ T7800]  ? reacquire_held_locks+0x4b0/0x4b0
[  555.544331][ T7800]  ? rcu_is_watching+0x12/0xb0
[  555.549154][ T7800]  ? do_one_initcall+0xf0/0x620
[  555.554084][ T7800]  ? __fget_files+0x272/0x410
[  555.558834][ T7800]  ? bpf_lsm_file_ioctl+0x9/0x10
[  555.563917][ T7800]  ? send_break+0x3e0/0x3e0
[  555.568485][ T7800]  __x64_sys_ioctl+0x18f/0x210
[  555.573322][ T7800]  do_syscall_64+0x38/0xb0
[  555.577819][ T7800]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  555.583790][ T7800] RIP: 0033:0x7fe65e0fd6e9
[  555.588707][ T7800] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  555.610461][ T7800] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  555.619306][ T7800] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  555.627446][ T7800] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  555.635539][ T7800] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  555.643558][ T7800] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  555.651574][ T7800] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  555.659753][ T7800]  </TASK>
[  555.679450][ T7800] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.948557][ T7804] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.983498][ T7804] CPU: 1 PID: 7804 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  555.992952][ T7804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  556.003045][ T7804] Call Trace:
[  556.006371][ T7804]  <TASK>
[  556.009343][ T7804]  dump_stack_lvl+0x125/0x1b0
[  556.014324][ T7804]  sysfs_warn_dup+0x7f/0xa0
[  556.018903][ T7804]  sysfs_create_dir_ns+0x237/0x290
[  556.024229][ T7804]  ? sysfs_create_mount_point+0xb0/0xb0
[  556.030058][ T7804]  ? spin_bug+0x1d0/0x1d0
[  556.034877][ T7804]  ? class_dir_child_ns_type+0xd/0x60
[  556.040281][ T7804]  kobject_add_internal+0x2c8/0x960
[  556.045595][ T7804]  kobject_add+0x154/0x220
[  556.050032][ T7804]  ? kset_create_and_add+0x190/0x190
[  556.055514][ T7804]  ? do_raw_spin_unlock+0x173/0x230
[  556.060834][ T7804]  ? kobject_put+0xbe/0x440
[  556.065627][ T7804]  device_add+0x289/0x1a90
[  556.070075][ T7804]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  556.076956][ T7804]  ? __init_waitqueue_head+0xca/0x150
[  556.082707][ T7804]  tty_register_device_attr+0x382/0x7c0
[  556.088297][ T7804]  ? lockdep_init_map_type+0x16d/0x7c0
[  556.093781][ T7804]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  556.099439][ T7804]  ? lockdep_init_map_type+0x16d/0x7c0
[  556.105026][ T7804]  ? __raw_spin_lock_init+0x3a/0x110
[  556.110340][ T7804]  ? tty_port_init+0x156/0x1b0
[  556.115126][ T7804]  gsm_activate_mux+0x170/0x2f0
[  556.120036][ T7804]  gsmld_ioctl+0x876/0x1510
[  556.124612][ T7804]  ? gsm_dlci_config+0xf00/0xf00
[  556.129600][ T7804]  ? __ldsem_down_read_nested+0xe4/0x910
[  556.135340][ T7804]  ? __ldsem_down_read_nested+0xf4/0x910
[  556.141085][ T7804]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  556.146490][ T7804]  ? vt_waitactive+0x360/0x360
[  556.151391][ T7804]  ? gsm_dlci_config+0xf00/0xf00
[  556.156356][ T7804]  tty_ioctl+0x6f8/0x1550
[  556.160772][ T7804]  ? send_break+0x3e0/0x3e0
[  556.165327][ T7804]  ? reacquire_held_locks+0x4b0/0x4b0
[  556.170834][ T7804]  ? rcu_is_watching+0x12/0xb0
[  556.175886][ T7804]  ? do_one_initcall+0xf0/0x620
[  556.180773][ T7804]  ? __fget_files+0x272/0x410
[  556.185658][ T7804]  ? bpf_lsm_file_ioctl+0x9/0x10
[  556.190740][ T7804]  ? send_break+0x3e0/0x3e0
[  556.195272][ T7804]  __x64_sys_ioctl+0x18f/0x210
[  556.200244][ T7804]  do_syscall_64+0x38/0xb0
[  556.204702][ T7804]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  556.210614][ T7804] RIP: 0033:0x7fe65e0fd6e9
[  556.215135][ T7804] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  556.234870][ T7804] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  556.243466][ T7804] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  556.251623][ T7804] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  556.259621][ T7804] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  556.267864][ T7804] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  556.275936][ T7804] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  556.284148][ T7804]  </TASK>
[  556.316273][ T7805] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.340327][ T7805] CPU: 1 PID: 7805 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  556.345335][ T7804] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.350101][ T7805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  556.350120][ T7805] Call Trace:
[  556.350129][ T7805]  <TASK>
[  556.350140][ T7805]  dump_stack_lvl+0x125/0x1b0
[  556.386555][ T7805]  sysfs_warn_dup+0x7f/0xa0
[  556.391226][ T7805]  sysfs_create_dir_ns+0x237/0x290
[  556.396571][ T7805]  ? sysfs_create_mount_point+0xb0/0xb0
[  556.402191][ T7805]  ? spin_bug+0x1d0/0x1d0
[  556.406761][ T7805]  ? class_dir_child_ns_type+0xd/0x60
[  556.412199][ T7805]  kobject_add_internal+0x2c8/0x960
[  556.417556][ T7805]  kobject_add+0x154/0x220
[  556.422117][ T7805]  ? kset_create_and_add+0x190/0x190
[  556.427637][ T7805]  ? do_raw_spin_unlock+0x173/0x230
[  556.432919][ T7805]  ? kobject_put+0xbe/0x440
[  556.437486][ T7805]  device_add+0x289/0x1a90
[  556.441966][ T7805]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  556.448980][ T7805]  ? __init_waitqueue_head+0xca/0x150
[  556.454687][ T7805]  tty_register_device_attr+0x382/0x7c0
[  556.460379][ T7805]  ? lockdep_init_map_type+0x16d/0x7c0
[  556.466090][ T7805]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  556.472649][ T7805]  ? lockdep_init_map_type+0x16d/0x7c0
[  556.478176][ T7805]  ? __raw_spin_lock_init+0x3a/0x110
[  556.483614][ T7805]  ? tty_port_init+0x156/0x1b0
[  556.488790][ T7805]  gsm_activate_mux+0x170/0x2f0
[  556.493727][ T7805]  gsmld_ioctl+0x876/0x1510
[  556.498395][ T7805]  ? gsm_dlci_config+0xf00/0xf00
[  556.503569][ T7805]  ? __ldsem_down_read_nested+0xe4/0x910
[  556.509400][ T7805]  ? __ldsem_down_read_nested+0xf4/0x910
[  556.515359][ T7805]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  556.521000][ T7805]  ? vt_waitactive+0x360/0x360
[  556.525845][ T7805]  ? gsm_dlci_config+0xf00/0xf00
[  556.530855][ T7805]  tty_ioctl+0x6f8/0x1550
[  556.535251][ T7805]  ? send_break+0x3e0/0x3e0
[  556.539825][ T7805]  ? reacquire_held_locks+0x4b0/0x4b0
[  556.545347][ T7805]  ? sigprocmask+0xf1/0x330
[  556.549914][ T7805]  ? do_sigtimedwait+0x5c0/0x5c0
[  556.555016][ T7805]  ? __fget_files+0x272/0x410
[  556.560031][ T7805]  ? bpf_lsm_file_ioctl+0x9/0x10
[  556.565115][ T7805]  ? send_break+0x3e0/0x3e0
[  556.569763][ T7805]  __x64_sys_ioctl+0x18f/0x210
[  556.574711][ T7805]  do_syscall_64+0x38/0xb0
[  556.579707][ T7805]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  556.585813][ T7805] RIP: 0033:0x7fe65e0fd6e9
[  556.590286][ T7805] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  556.610700][ T7805] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  556.619754][ T7805] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  556.627951][ T7805] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  556.636206][ T7805] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  556.644196][ T7805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  556.652172][ T7805] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  556.660349][ T7805]  </TASK>
[  556.664115][ T7805] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.949750][ T7808] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.978611][ T7808] CPU: 0 PID: 7808 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  556.988171][ T7808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  556.998445][ T7808] Call Trace:
[  557.002455][ T7808]  <TASK>
[  557.005504][ T7808]  dump_stack_lvl+0x125/0x1b0
[  557.010245][ T7808]  sysfs_warn_dup+0x7f/0xa0
[  557.014805][ T7808]  sysfs_create_dir_ns+0x237/0x290
[  557.019971][ T7808]  ? sysfs_create_mount_point+0xb0/0xb0
[  557.025619][ T7808]  ? spin_bug+0x1d0/0x1d0
[  557.030117][ T7808]  ? class_dir_child_ns_type+0xd/0x60
[  557.035549][ T7808]  kobject_add_internal+0x2c8/0x960
[  557.040911][ T7808]  kobject_add+0x154/0x220
[  557.045440][ T7808]  ? kset_create_and_add+0x190/0x190
[  557.050878][ T7808]  ? do_raw_spin_unlock+0x173/0x230
[  557.056236][ T7808]  ? kobject_put+0xbe/0x440
[  557.060897][ T7808]  device_add+0x289/0x1a90
[  557.065474][ T7808]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  557.072831][ T7808]  ? __init_waitqueue_head+0xca/0x150
[  557.078278][ T7808]  tty_register_device_attr+0x382/0x7c0
[  557.083893][ T7808]  ? lockdep_init_map_type+0x16d/0x7c0
[  557.089426][ T7808]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  557.095039][ T7808]  ? lockdep_init_map_type+0x16d/0x7c0
[  557.100674][ T7808]  ? __raw_spin_lock_init+0x3a/0x110
[  557.106207][ T7808]  ? tty_port_init+0x156/0x1b0
[  557.111132][ T7808]  gsm_activate_mux+0x170/0x2f0
[  557.116132][ T7808]  gsmld_ioctl+0x876/0x1510
[  557.120709][ T7808]  ? gsm_dlci_config+0xf00/0xf00
[  557.125718][ T7808]  ? __ldsem_down_read_nested+0xe4/0x910
[  557.131412][ T7808]  ? __ldsem_down_read_nested+0xf4/0x910
[  557.137145][ T7808]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  557.142852][ T7808]  ? vt_waitactive+0x360/0x360
[  557.147785][ T7808]  ? gsm_dlci_config+0xf00/0xf00
[  557.152890][ T7808]  tty_ioctl+0x6f8/0x1550
[  557.157288][ T7808]  ? send_break+0x3e0/0x3e0
[  557.161858][ T7808]  ? reacquire_held_locks+0x4b0/0x4b0
[  557.167391][ T7808]  ? rcu_is_watching+0x12/0xb0
[  557.172213][ T7808]  ? do_one_initcall+0xf0/0x620
[  557.177138][ T7808]  ? __fget_files+0x272/0x410
[  557.182258][ T7808]  ? bpf_lsm_file_ioctl+0x9/0x10
[  557.187354][ T7808]  ? send_break+0x3e0/0x3e0
[  557.191936][ T7808]  __x64_sys_ioctl+0x18f/0x210
[  557.196878][ T7808]  do_syscall_64+0x38/0xb0
[  557.201413][ T7808]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  557.207474][ T7808] RIP: 0033:0x7fe65e0fd6e9
[  557.212034][ T7808] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  557.232129][ T7808] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  557.240636][ T7808] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  557.248745][ T7808] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  557.256840][ T7808] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  557.265031][ T7808] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  557.273047][ T7808] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  557.281091][ T7808]  </TASK>
[  557.286867][ T7808] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.570484][ T7811] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  557.588792][ T7811] CPU: 1 PID: 7811 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  557.598071][ T7811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  557.608167][ T7811] Call Trace:
[  557.611747][ T7811]  <TASK>
[  557.614713][ T7811]  dump_stack_lvl+0x125/0x1b0
[  557.619448][ T7811]  sysfs_warn_dup+0x7f/0xa0
[  557.624103][ T7811]  sysfs_create_dir_ns+0x237/0x290
[  557.629429][ T7811]  ? sysfs_create_mount_point+0xb0/0xb0
[  557.635026][ T7811]  ? spin_bug+0x1d0/0x1d0
[  557.639447][ T7811]  ? class_dir_child_ns_type+0xd/0x60
[  557.644963][ T7811]  kobject_add_internal+0x2c8/0x960
[  557.650237][ T7811]  kobject_add+0x154/0x220
[  557.654794][ T7811]  ? kset_create_and_add+0x190/0x190
[  557.660232][ T7811]  ? do_raw_spin_unlock+0x173/0x230
[  557.665495][ T7811]  ? kobject_put+0xbe/0x440
[  557.670156][ T7811]  device_add+0x289/0x1a90
[  557.674644][ T7811]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  557.681953][ T7811]  ? __init_waitqueue_head+0xca/0x150
[  557.687842][ T7811]  tty_register_device_attr+0x382/0x7c0
[  557.693458][ T7811]  ? lockdep_init_map_type+0x16d/0x7c0
[  557.699160][ T7811]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  557.704873][ T7811]  ? lockdep_init_map_type+0x16d/0x7c0
[  557.710404][ T7811]  ? __raw_spin_lock_init+0x3a/0x110
[  557.715937][ T7811]  ? tty_port_init+0x156/0x1b0
[  557.720941][ T7811]  gsm_activate_mux+0x170/0x2f0
[  557.725870][ T7811]  gsmld_ioctl+0x876/0x1510
[  557.730539][ T7811]  ? gsm_dlci_config+0xf00/0xf00
[  557.735638][ T7811]  ? __ldsem_down_read_nested+0xe4/0x910
[  557.741512][ T7811]  ? __ldsem_down_read_nested+0xf4/0x910
[  557.747219][ T7811]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  557.752758][ T7811]  ? vt_waitactive+0x360/0x360
[  557.757594][ T7811]  ? gsm_dlci_config+0xf00/0xf00
[  557.762592][ T7811]  tty_ioctl+0x6f8/0x1550
[  557.766983][ T7811]  ? send_break+0x3e0/0x3e0
[  557.771556][ T7811]  ? reacquire_held_locks+0x4b0/0x4b0
[  557.776986][ T7811]  ? rcu_is_watching+0x12/0xb0
[  557.781813][ T7811]  ? do_one_initcall+0xf0/0x620
[  557.786926][ T7811]  ? __fget_files+0x272/0x410
[  557.791679][ T7811]  ? bpf_lsm_file_ioctl+0x9/0x10
[  557.796763][ T7811]  ? send_break+0x3e0/0x3e0
[  557.801423][ T7811]  __x64_sys_ioctl+0x18f/0x210
[  557.806260][ T7811]  do_syscall_64+0x38/0xb0
[  557.810727][ T7811]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  557.816678][ T7811] RIP: 0033:0x7fe65e0fd6e9
[  557.821136][ T7811] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  557.841245][ T7811] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  557.849714][ T7811] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  557.859560][ T7811] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  557.867576][ T7811] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  557.875592][ T7811] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  557.883697][ T7811] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  557.891740][ T7811]  </TASK>
[  557.895597][ T7811] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.189536][ T7814] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  558.199928][ T7814] CPU: 0 PID: 7814 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  558.209268][ T7814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  558.219364][ T7814] Call Trace:
[  558.222775][ T7814]  <TASK>
[  558.225746][ T7814]  dump_stack_lvl+0x125/0x1b0
[  558.230485][ T7814]  sysfs_warn_dup+0x7f/0xa0
[  558.235039][ T7814]  sysfs_create_dir_ns+0x237/0x290
[  558.241161][ T7814]  ? sysfs_create_mount_point+0xb0/0xb0
[  558.247201][ T7814]  ? spin_bug+0x1d0/0x1d0
[  558.251657][ T7814]  ? class_dir_child_ns_type+0xd/0x60
[  558.257081][ T7814]  kobject_add_internal+0x2c8/0x960
[  558.262421][ T7814]  kobject_add+0x154/0x220
[  558.266981][ T7814]  ? kset_create_and_add+0x190/0x190
[  558.272329][ T7814]  ? do_raw_spin_unlock+0x173/0x230
[  558.277655][ T7814]  ? kobject_put+0xbe/0x440
[  558.282225][ T7814]  device_add+0x289/0x1a90
[  558.286708][ T7814]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  558.293634][ T7814]  ? __init_waitqueue_head+0xca/0x150
[  558.299274][ T7814]  tty_register_device_attr+0x382/0x7c0
[  558.304971][ T7814]  ? lockdep_init_map_type+0x16d/0x7c0
[  558.310584][ T7814]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  558.316195][ T7814]  ? lockdep_init_map_type+0x16d/0x7c0
[  558.321725][ T7814]  ? __raw_spin_lock_init+0x3a/0x110
[  558.327077][ T7814]  ? tty_port_init+0x156/0x1b0
[  558.331899][ T7814]  gsm_activate_mux+0x170/0x2f0
[  558.336818][ T7814]  gsmld_ioctl+0x876/0x1510
[  558.341482][ T7814]  ? gsm_dlci_config+0xf00/0xf00
[  558.346491][ T7814]  ? __ldsem_down_read_nested+0xe4/0x910
[  558.352180][ T7814]  ? __ldsem_down_read_nested+0xf4/0x910
[  558.357868][ T7814]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  558.363309][ T7814]  ? vt_waitactive+0x360/0x360
[  558.368134][ T7814]  ? gsm_dlci_config+0xf00/0xf00
[  558.373141][ T7814]  tty_ioctl+0x6f8/0x1550
[  558.377551][ T7814]  ? send_break+0x3e0/0x3e0
[  558.382217][ T7814]  ? reacquire_held_locks+0x4b0/0x4b0
[  558.388082][ T7814]  ? rcu_is_watching+0x12/0xb0
[  558.392917][ T7814]  ? do_one_initcall+0xf0/0x620
[  558.398102][ T7814]  ? __fget_files+0x272/0x410
[  558.403021][ T7814]  ? bpf_lsm_file_ioctl+0x9/0x10
[  558.408036][ T7814]  ? send_break+0x3e0/0x3e0
[  558.412608][ T7814]  __x64_sys_ioctl+0x18f/0x210
[  558.417534][ T7814]  do_syscall_64+0x38/0xb0
[  558.422014][ T7814]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  558.428162][ T7814] RIP: 0033:0x7fe65e0fd6e9
[  558.432702][ T7814] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  558.452355][ T7814] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  558.460820][ T7814] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  558.468923][ T7814] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  558.477025][ T7814] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  558.485130][ T7814] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  558.493413][ T7814] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  558.501950][ T7814]  </TASK>
[  558.524208][ T7814] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.801529][ T7818] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  558.821842][ T7818] CPU: 1 PID: 7818 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  558.831118][ T7818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  558.841229][ T7818] Call Trace:
[  558.844557][ T7818]  <TASK>
[  558.847521][ T7818]  dump_stack_lvl+0x125/0x1b0
[  558.852339][ T7818]  sysfs_warn_dup+0x7f/0xa0
[  558.856985][ T7818]  sysfs_create_dir_ns+0x237/0x290
[  558.862274][ T7818]  ? sysfs_create_mount_point+0xb0/0xb0
[  558.868065][ T7818]  ? spin_bug+0x1d0/0x1d0
[  558.872481][ T7818]  ? class_dir_child_ns_type+0xd/0x60
[  558.877923][ T7818]  kobject_add_internal+0x2c8/0x960
[  558.883363][ T7818]  kobject_add+0x154/0x220
[  558.887844][ T7818]  ? kset_create_and_add+0x190/0x190
[  558.893282][ T7818]  ? do_raw_spin_unlock+0x173/0x230
[  558.898637][ T7818]  ? kobject_put+0xbe/0x440
[  558.903254][ T7818]  device_add+0x289/0x1a90
[  558.907779][ T7818]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  558.914734][ T7818]  ? __init_waitqueue_head+0xca/0x150
[  558.920267][ T7818]  tty_register_device_attr+0x382/0x7c0
[  558.925895][ T7818]  ? lockdep_init_map_type+0x16d/0x7c0
[  558.931515][ T7818]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  558.937212][ T7818]  ? lockdep_init_map_type+0x16d/0x7c0
[  558.942741][ T7818]  ? __raw_spin_lock_init+0x3a/0x110
[  558.948179][ T7818]  ? tty_port_init+0x156/0x1b0
[  558.952996][ T7818]  gsm_activate_mux+0x170/0x2f0
[  558.957911][ T7818]  gsmld_ioctl+0x876/0x1510
[  558.962653][ T7818]  ? gsm_dlci_config+0xf00/0xf00
[  558.967664][ T7818]  ? __ldsem_down_read_nested+0xe4/0x910
[  558.973540][ T7818]  ? __ldsem_down_read_nested+0xf4/0x910
[  558.979251][ T7818]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  558.984876][ T7818]  ? vt_waitactive+0x360/0x360
[  558.989825][ T7818]  ? gsm_dlci_config+0xf00/0xf00
[  558.994839][ T7818]  tty_ioctl+0x6f8/0x1550
[  558.999251][ T7818]  ? send_break+0x3e0/0x3e0
[  559.003918][ T7818]  ? reacquire_held_locks+0x4b0/0x4b0
[  559.009354][ T7818]  ? rcu_is_watching+0x12/0xb0
[  559.014352][ T7818]  ? do_one_initcall+0xf0/0x620
[  559.020144][ T7818]  ? __fget_files+0x272/0x410
[  559.024901][ T7818]  ? bpf_lsm_file_ioctl+0x9/0x10
[  559.029901][ T7818]  ? send_break+0x3e0/0x3e0
[  559.034465][ T7818]  __x64_sys_ioctl+0x18f/0x210
[  559.039298][ T7818]  do_syscall_64+0x38/0xb0
[  559.043862][ T7818]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  559.049996][ T7818] RIP: 0033:0x7fe65e0fd6e9
[  559.054466][ T7818] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  559.074216][ T7818] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  559.082858][ T7818] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  559.090878][ T7818] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  559.098905][ T7818] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  559.107286][ T7818] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  559.115326][ T7818] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  559.123575][ T7818]  </TASK>
[  559.129143][ T7818] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.413502][ T7821] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.434604][ T7821] CPU: 0 PID: 7821 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  559.443967][ T7821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  559.454065][ T7821] Call Trace:
[  559.457383][ T7821]  <TASK>
[  559.460316][ T7821]  dump_stack_lvl+0x125/0x1b0
[  559.465006][ T7821]  sysfs_warn_dup+0x7f/0xa0
[  559.469509][ T7821]  sysfs_create_dir_ns+0x237/0x290
[  559.474799][ T7821]  ? sysfs_create_mount_point+0xb0/0xb0
[  559.480777][ T7821]  ? spin_bug+0x1d0/0x1d0
[  559.485194][ T7821]  ? class_dir_child_ns_type+0xd/0x60
[  559.490587][ T7821]  kobject_add_internal+0x2c8/0x960
[  559.496011][ T7821]  kobject_add+0x154/0x220
[  559.500494][ T7821]  ? kset_create_and_add+0x190/0x190
[  559.505853][ T7821]  ? do_raw_spin_unlock+0x173/0x230
[  559.511178][ T7821]  ? kobject_put+0xbe/0x440
[  559.515734][ T7821]  device_add+0x289/0x1a90
[  559.520186][ T7821]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  559.527121][ T7821]  ? __init_waitqueue_head+0xca/0x150
[  559.532524][ T7821]  tty_register_device_attr+0x382/0x7c0
[  559.538157][ T7821]  ? lockdep_init_map_type+0x16d/0x7c0
[  559.543657][ T7821]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  559.549228][ T7821]  ? lockdep_init_map_type+0x16d/0x7c0
[  559.554724][ T7821]  ? __raw_spin_lock_init+0x3a/0x110
[  559.560040][ T7821]  ? tty_port_init+0x156/0x1b0
[  559.565610][ T7821]  gsm_activate_mux+0x170/0x2f0
[  559.570493][ T7821]  gsmld_ioctl+0x876/0x1510
[  559.575727][ T7821]  ? gsm_dlci_config+0xf00/0xf00
[  559.580699][ T7821]  ? __ldsem_down_read_nested+0xe4/0x910
[  559.586358][ T7821]  ? __ldsem_down_read_nested+0xf4/0x910
[  559.592289][ T7821]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  559.597781][ T7821]  ? vt_waitactive+0x360/0x360
[  559.602617][ T7821]  ? gsm_dlci_config+0xf00/0xf00
[  559.607673][ T7821]  tty_ioctl+0x6f8/0x1550
[  559.612037][ T7821]  ? send_break+0x3e0/0x3e0
[  559.616582][ T7821]  ? reacquire_held_locks+0x4b0/0x4b0
[  559.621987][ T7821]  ? rcu_is_watching+0x12/0xb0
[  559.626781][ T7821]  ? do_one_initcall+0xf0/0x620
[  559.631867][ T7821]  ? __fget_files+0x272/0x410
[  559.636575][ T7821]  ? bpf_lsm_file_ioctl+0x9/0x10
[  559.641537][ T7821]  ? send_break+0x3e0/0x3e0
[  559.646328][ T7821]  __x64_sys_ioctl+0x18f/0x210
[  559.651131][ T7821]  do_syscall_64+0x38/0xb0
[  559.655569][ T7821]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  559.661487][ T7821] RIP: 0033:0x7fe65e0fd6e9
[  559.665920][ T7821] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  559.685912][ T7821] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  559.694365][ T7821] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  559.702454][ T7821] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  559.710793][ T7821] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  559.718862][ T7821] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  559.726856][ T7821] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  559.734978][ T7821]  </TASK>
[  559.747142][ T7822] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.756360][ T7821] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.779632][ T7822] CPU: 0 PID: 7822 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  559.788908][ T7822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  559.799101][ T7822] Call Trace:
[  559.802418][ T7822]  <TASK>
[  559.805380][ T7822]  dump_stack_lvl+0x125/0x1b0
[  559.810140][ T7822]  sysfs_warn_dup+0x7f/0xa0
[  559.814692][ T7822]  sysfs_create_dir_ns+0x237/0x290
[  559.820024][ T7822]  ? sysfs_create_mount_point+0xb0/0xb0
[  559.825706][ T7822]  ? spin_bug+0x1d0/0x1d0
[  559.830183][ T7822]  ? class_dir_child_ns_type+0xd/0x60
[  559.835605][ T7822]  kobject_add_internal+0x2c8/0x960
[  559.840872][ T7822]  kobject_add+0x154/0x220
[  559.845432][ T7822]  ? kset_create_and_add+0x190/0x190
[  559.850864][ T7822]  ? do_raw_spin_unlock+0x173/0x230
[  559.856208][ T7822]  ? kobject_put+0xbe/0x440
[  559.860870][ T7822]  device_add+0x289/0x1a90
[  559.865646][ T7822]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  559.872654][ T7822]  ? __init_waitqueue_head+0xca/0x150
[  559.878147][ T7822]  tty_register_device_attr+0x382/0x7c0
[  559.883863][ T7822]  ? lockdep_init_map_type+0x16d/0x7c0
[  559.889449][ T7822]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  559.895193][ T7822]  ? lockdep_init_map_type+0x16d/0x7c0
[  559.900769][ T7822]  ? __raw_spin_lock_init+0x3a/0x110
[  559.906169][ T7822]  ? tty_port_init+0x156/0x1b0
[  559.910965][ T7822]  gsm_activate_mux+0x170/0x2f0
[  559.915845][ T7822]  gsmld_ioctl+0x876/0x1510
[  559.920388][ T7822]  ? gsm_dlci_config+0xf00/0xf00
[  559.925369][ T7822]  ? __ldsem_down_read_nested+0xe4/0x910
[  559.931198][ T7822]  ? __ldsem_down_read_nested+0xf4/0x910
[  559.936861][ T7822]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  559.942270][ T7822]  ? vt_waitactive+0x360/0x360
[  559.947069][ T7822]  ? gsm_dlci_config+0xf00/0xf00
[  559.952403][ T7822]  tty_ioctl+0x6f8/0x1550
[  559.957718][ T7822]  ? send_break+0x3e0/0x3e0
[  559.962364][ T7822]  ? reacquire_held_locks+0x4b0/0x4b0
[  559.967769][ T7822]  ? sigprocmask+0xf1/0x330
[  559.972400][ T7822]  ? do_sigtimedwait+0x5c0/0x5c0
[  559.977381][ T7822]  ? __fget_files+0x272/0x410
[  559.982480][ T7822]  ? bpf_lsm_file_ioctl+0x9/0x10
[  559.987526][ T7822]  ? send_break+0x3e0/0x3e0
[  559.992145][ T7822]  __x64_sys_ioctl+0x18f/0x210
[  559.997124][ T7822]  do_syscall_64+0x38/0xb0
[  560.001719][ T7822]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  560.007903][ T7822] RIP: 0033:0x7fe65e0fd6e9
[  560.012418][ T7822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  560.032400][ T7822] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  560.041093][ T7822] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  560.049250][ T7822] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  560.057231][ T7822] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  560.065657][ T7822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  560.073643][ T7822] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  560.081647][ T7822]  </TASK>
[  560.121726][ T7822] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.442645][ T7825] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  560.455559][ T7825] CPU: 0 PID: 7825 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  560.464833][ T7825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  560.474936][ T7825] Call Trace:
[  560.478249][ T7825]  <TASK>
[  560.481212][ T7825]  dump_stack_lvl+0x125/0x1b0
[  560.485946][ T7825]  sysfs_warn_dup+0x7f/0xa0
[  560.490497][ T7825]  sysfs_create_dir_ns+0x237/0x290
[  560.495862][ T7825]  ? sysfs_create_mount_point+0xb0/0xb0
[  560.501548][ T7825]  ? spin_bug+0x1d0/0x1d0
[  560.506012][ T7825]  ? class_dir_child_ns_type+0xd/0x60
[  560.511708][ T7825]  kobject_add_internal+0x2c8/0x960
[  560.517066][ T7825]  kobject_add+0x154/0x220
[  560.521635][ T7825]  ? kset_create_and_add+0x190/0x190
[  560.527068][ T7825]  ? do_raw_spin_unlock+0x173/0x230
[  560.532350][ T7825]  ? kobject_put+0xbe/0x440
[  560.536939][ T7825]  device_add+0x289/0x1a90
[  560.541512][ T7825]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  560.548617][ T7825]  ? __init_waitqueue_head+0xca/0x150
[  560.554232][ T7825]  tty_register_device_attr+0x382/0x7c0
[  560.559850][ T7825]  ? lockdep_init_map_type+0x16d/0x7c0
[  560.565528][ T7825]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  560.571148][ T7825]  ? lockdep_init_map_type+0x16d/0x7c0
[  560.576688][ T7825]  ? __raw_spin_lock_init+0x3a/0x110
[  560.582056][ T7825]  ? tty_port_init+0x156/0x1b0
[  560.586876][ T7825]  gsm_activate_mux+0x170/0x2f0
[  560.591799][ T7825]  gsmld_ioctl+0x876/0x1510
[  560.596569][ T7825]  ? gsm_dlci_config+0xf00/0xf00
[  560.601590][ T7825]  ? __ldsem_down_read_nested+0xe4/0x910
[  560.607369][ T7825]  ? __ldsem_down_read_nested+0xf4/0x910
[  560.613154][ T7825]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  560.618692][ T7825]  ? vt_waitactive+0x360/0x360
[  560.623535][ T7825]  ? gsm_dlci_config+0xf00/0xf00
[  560.628541][ T7825]  tty_ioctl+0x6f8/0x1550
[  560.632943][ T7825]  ? send_break+0x3e0/0x3e0
[  560.637782][ T7825]  ? reacquire_held_locks+0x4b0/0x4b0
[  560.643306][ T7825]  ? rcu_is_watching+0x12/0xb0
[  560.648396][ T7825]  ? do_one_initcall+0xf0/0x620
[  560.653314][ T7825]  ? __fget_files+0x272/0x410
[  560.658085][ T7825]  ? bpf_lsm_file_ioctl+0x9/0x10
[  560.663170][ T7825]  ? send_break+0x3e0/0x3e0
[  560.667752][ T7825]  __x64_sys_ioctl+0x18f/0x210
[  560.672595][ T7825]  do_syscall_64+0x38/0xb0
[  560.677155][ T7825]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  560.683112][ T7825] RIP: 0033:0x7fe65e0fd6e9
[  560.687662][ T7825] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  560.707493][ T7825] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  560.716133][ T7825] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  560.724157][ T7825] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  560.732182][ T7825] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  560.740286][ T7825] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  560.748996][ T7825] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  560.757032][ T7825]  </TASK>
[  560.782838][ T7825] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.063997][ T7828] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.072487][ T7828] CPU: 1 PID: 7828 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  561.081905][ T7828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  561.092028][ T7828] Call Trace:
[  561.095346][ T7828]  <TASK>
[  561.098508][ T7828]  dump_stack_lvl+0x125/0x1b0
[  561.103473][ T7828]  sysfs_warn_dup+0x7f/0xa0
[  561.108001][ T7828]  sysfs_create_dir_ns+0x237/0x290
[  561.113134][ T7828]  ? sysfs_create_mount_point+0xb0/0xb0
[  561.118733][ T7828]  ? spin_bug+0x1d0/0x1d0
[  561.123126][ T7828]  ? class_dir_child_ns_type+0xd/0x60
[  561.128536][ T7828]  kobject_add_internal+0x2c8/0x960
[  561.133799][ T7828]  kobject_add+0x154/0x220
[  561.138359][ T7828]  ? kset_create_and_add+0x190/0x190
[  561.143684][ T7828]  ? do_raw_spin_unlock+0x173/0x230
[  561.148919][ T7828]  ? kobject_put+0xbe/0x440
[  561.153480][ T7828]  device_add+0x289/0x1a90
[  561.157952][ T7828]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  561.164927][ T7828]  ? __init_waitqueue_head+0xca/0x150
[  561.170422][ T7828]  tty_register_device_attr+0x382/0x7c0
[  561.176001][ T7828]  ? lockdep_init_map_type+0x16d/0x7c0
[  561.181582][ T7828]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  561.187165][ T7828]  ? lockdep_init_map_type+0x16d/0x7c0
[  561.192658][ T7828]  ? __raw_spin_lock_init+0x3a/0x110
[  561.197978][ T7828]  ? tty_port_init+0x156/0x1b0
[  561.202765][ T7828]  gsm_activate_mux+0x170/0x2f0
[  561.207657][ T7828]  gsmld_ioctl+0x876/0x1510
[  561.212266][ T7828]  ? gsm_dlci_config+0xf00/0xf00
[  561.217359][ T7828]  ? __ldsem_down_read_nested+0xe4/0x910
[  561.223036][ T7828]  ? __ldsem_down_read_nested+0xf4/0x910
[  561.228796][ T7828]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  561.234221][ T7828]  ? vt_waitactive+0x360/0x360
[  561.239025][ T7828]  ? gsm_dlci_config+0xf00/0xf00
[  561.244077][ T7828]  tty_ioctl+0x6f8/0x1550
[  561.248533][ T7828]  ? send_break+0x3e0/0x3e0
[  561.253154][ T7828]  ? reacquire_held_locks+0x4b0/0x4b0
[  561.258552][ T7828]  ? rcu_is_watching+0x12/0xb0
[  561.263424][ T7828]  ? do_one_initcall+0xf0/0x620
[  561.268314][ T7828]  ? __fget_files+0x272/0x410
[  561.273199][ T7828]  ? bpf_lsm_file_ioctl+0x9/0x10
[  561.278175][ T7828]  ? send_break+0x3e0/0x3e0
[  561.282707][ T7828]  __x64_sys_ioctl+0x18f/0x210
[  561.287592][ T7828]  do_syscall_64+0x38/0xb0
[  561.292027][ T7828]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  561.297969][ T7828] RIP: 0033:0x7fe65e0fd6e9
[  561.302573][ T7828] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  561.322287][ T7828] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  561.330727][ T7828] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  561.338800][ T7828] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  561.346799][ T7828] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  561.354806][ T7828] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  561.362798][ T7828] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  561.380370][ T7828]  </TASK>
[  561.411408][ T7829] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.421538][ T7829] CPU: 0 PID: 7829 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  561.430924][ T7829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  561.441154][ T7829] Call Trace:
[  561.444470][ T7829]  <TASK>
[  561.447435][ T7829]  dump_stack_lvl+0x125/0x1b0
[  561.452179][ T7829]  sysfs_warn_dup+0x7f/0xa0
[  561.456783][ T7829]  sysfs_create_dir_ns+0x237/0x290
[  561.462124][ T7829]  ? sysfs_create_mount_point+0xb0/0xb0
[  561.467908][ T7829]  ? spin_bug+0x1d0/0x1d0
[  561.472421][ T7829]  ? class_dir_child_ns_type+0xd/0x60
[  561.477881][ T7829]  kobject_add_internal+0x2c8/0x960
[  561.483242][ T7829]  kobject_add+0x154/0x220
[  561.488074][ T7829]  ? kset_create_and_add+0x190/0x190
[  561.493426][ T7829]  ? do_raw_spin_unlock+0x173/0x230
[  561.499221][ T7829]  ? kobject_put+0xbe/0x440
[  561.504092][ T7829]  device_add+0x289/0x1a90
[  561.508866][ T7829]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  561.516140][ T7829]  ? __init_waitqueue_head+0xca/0x150
[  561.518035][ T7828] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.521576][ T7829]  tty_register_device_attr+0x382/0x7c0
[  561.542922][ T7829]  ? lockdep_init_map_type+0x16d/0x7c0
[  561.548713][ T7829]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  561.554323][ T7829]  ? lockdep_init_map_type+0x16d/0x7c0
[  561.560000][ T7829]  ? __raw_spin_lock_init+0x3a/0x110
[  561.565316][ T7829]  ? tty_port_init+0x156/0x1b0
[  561.570194][ T7829]  gsm_activate_mux+0x170/0x2f0
[  561.575102][ T7829]  gsmld_ioctl+0x876/0x1510
[  561.579903][ T7829]  ? gsm_dlci_config+0xf00/0xf00
[  561.585059][ T7829]  ? __ldsem_down_read_nested+0xe4/0x910
[  561.590714][ T7829]  ? __ldsem_down_read_nested+0xf4/0x910
[  561.596918][ T7829]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  561.602688][ T7829]  ? vt_waitactive+0x360/0x360
[  561.607749][ T7829]  ? gsm_dlci_config+0xf00/0xf00
[  561.612728][ T7829]  tty_ioctl+0x6f8/0x1550
[  561.617435][ T7829]  ? send_break+0x3e0/0x3e0
[  561.621972][ T7829]  ? reacquire_held_locks+0x4b0/0x4b0
[  561.627380][ T7829]  ? sigprocmask+0xf1/0x330
[  561.632034][ T7829]  ? do_sigtimedwait+0x5c0/0x5c0
[  561.637039][ T7829]  ? __fget_files+0x272/0x410
[  561.641868][ T7829]  ? bpf_lsm_file_ioctl+0x9/0x10
[  561.646953][ T7829]  ? send_break+0x3e0/0x3e0
[  561.651505][ T7829]  __x64_sys_ioctl+0x18f/0x210
[  561.656441][ T7829]  do_syscall_64+0x38/0xb0
[  561.660923][ T7829]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  561.667041][ T7829] RIP: 0033:0x7fe65e0fd6e9
[  561.671661][ T7829] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  561.691682][ T7829] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  561.700862][ T7829] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  561.708846][ T7829] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  561.717267][ T7829] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  561.725361][ T7829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  561.733453][ T7829] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  561.741727][ T7829]  </TASK>
[  561.752137][ T7829] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.114085][ T7832] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  562.122693][ T7832] CPU: 1 PID: 7832 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  562.131946][ T7832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  562.142132][ T7832] Call Trace:
[  562.145441][ T7832]  <TASK>
[  562.149285][ T7832]  dump_stack_lvl+0x125/0x1b0
[  562.154192][ T7832]  sysfs_warn_dup+0x7f/0xa0
[  562.159016][ T7832]  sysfs_create_dir_ns+0x237/0x290
[  562.164181][ T7832]  ? sysfs_create_mount_point+0xb0/0xb0
[  562.169882][ T7832]  ? spin_bug+0x1d0/0x1d0
[  562.174368][ T7832]  ? class_dir_child_ns_type+0xd/0x60
[  562.179811][ T7832]  kobject_add_internal+0x2c8/0x960
[  562.185165][ T7832]  kobject_add+0x154/0x220
[  562.189630][ T7832]  ? kset_create_and_add+0x190/0x190
[  562.194943][ T7832]  ? do_raw_spin_unlock+0x173/0x230
[  562.200175][ T7832]  ? kobject_put+0xbe/0x440
[  562.204710][ T7832]  device_add+0x289/0x1a90
[  562.209156][ T7832]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  562.216039][ T7832]  ? __init_waitqueue_head+0xca/0x150
[  562.221529][ T7832]  tty_register_device_attr+0x382/0x7c0
[  562.227224][ T7832]  ? lockdep_init_map_type+0x16d/0x7c0
[  562.232882][ T7832]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  562.238543][ T7832]  ? lockdep_init_map_type+0x16d/0x7c0
[  562.244206][ T7832]  ? __raw_spin_lock_init+0x3a/0x110
[  562.250326][ T7832]  ? tty_port_init+0x156/0x1b0
[  562.255235][ T7832]  gsm_activate_mux+0x170/0x2f0
[  562.260155][ T7832]  gsmld_ioctl+0x876/0x1510
[  562.265159][ T7832]  ? gsm_dlci_config+0xf00/0xf00
[  562.270152][ T7832]  ? __ldsem_down_read_nested+0xe4/0x910
[  562.275818][ T7832]  ? __ldsem_down_read_nested+0xf4/0x910
[  562.281557][ T7832]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  562.288021][ T7832]  ? vt_waitactive+0x360/0x360
[  562.292829][ T7832]  ? gsm_dlci_config+0xf00/0xf00
[  562.297852][ T7832]  tty_ioctl+0x6f8/0x1550
[  562.302430][ T7832]  ? send_break+0x3e0/0x3e0
[  562.307196][ T7832]  ? reacquire_held_locks+0x4b0/0x4b0
[  562.312618][ T7832]  ? rcu_is_watching+0x12/0xb0
[  562.317410][ T7832]  ? do_one_initcall+0xf0/0x620
[  562.322298][ T7832]  ? __fget_files+0x272/0x410
[  562.327009][ T7832]  ? bpf_lsm_file_ioctl+0x9/0x10
[  562.331971][ T7832]  ? send_break+0x3e0/0x3e0
[  562.336506][ T7832]  __x64_sys_ioctl+0x18f/0x210
[  562.341306][ T7832]  do_syscall_64+0x38/0xb0
[  562.345838][ T7832]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  562.351804][ T7832] RIP: 0033:0x7fe65e0fd6e9
[  562.356235][ T7832] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  562.376144][ T7832] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  562.384673][ T7832] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  562.392835][ T7832] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  562.401174][ T7832] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  562.409168][ T7832] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  562.417267][ T7832] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  562.425295][ T7832]  </TASK>
[  562.441144][ T7832] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.849301][ T7835] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  562.862588][ T7835] CPU: 1 PID: 7835 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  562.872218][ T7835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  562.882660][ T7835] Call Trace:
[  562.885955][ T7835]  <TASK>
[  562.888907][ T7835]  dump_stack_lvl+0x125/0x1b0
[  562.893616][ T7835]  sysfs_warn_dup+0x7f/0xa0
[  562.898227][ T7835]  sysfs_create_dir_ns+0x237/0x290
[  562.903446][ T7835]  ? sysfs_create_mount_point+0xb0/0xb0
[  562.909105][ T7835]  ? spin_bug+0x1d0/0x1d0
[  562.913483][ T7835]  ? class_dir_child_ns_type+0xd/0x60
[  562.918975][ T7835]  kobject_add_internal+0x2c8/0x960
[  562.924210][ T7835]  kobject_add+0x154/0x220
[  562.928738][ T7835]  ? kset_create_and_add+0x190/0x190
[  562.934133][ T7835]  ? do_raw_spin_unlock+0x173/0x230
[  562.939364][ T7835]  ? kobject_put+0xbe/0x440
[  562.943899][ T7835]  device_add+0x289/0x1a90
[  562.948362][ T7835]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  562.955247][ T7835]  ? __init_waitqueue_head+0xca/0x150
[  562.960657][ T7835]  tty_register_device_attr+0x382/0x7c0
[  562.966274][ T7835]  ? lockdep_init_map_type+0x16d/0x7c0
[  562.971856][ T7835]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  562.977527][ T7835]  ? lockdep_init_map_type+0x16d/0x7c0
[  562.983292][ T7835]  ? __raw_spin_lock_init+0x3a/0x110
[  562.988700][ T7835]  ? tty_port_init+0x156/0x1b0
[  562.993502][ T7835]  gsm_activate_mux+0x170/0x2f0
[  562.999006][ T7835]  gsmld_ioctl+0x876/0x1510
[  563.003727][ T7835]  ? gsm_dlci_config+0xf00/0xf00
[  563.008700][ T7835]  ? __ldsem_down_read_nested+0xe4/0x910
[  563.014356][ T7835]  ? __ldsem_down_read_nested+0xf4/0x910
[  563.020196][ T7835]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  563.025773][ T7835]  ? vt_waitactive+0x360/0x360
[  563.030572][ T7835]  ? gsm_dlci_config+0xf00/0xf00
[  563.035540][ T7835]  tty_ioctl+0x6f8/0x1550
[  563.039920][ T7835]  ? send_break+0x3e0/0x3e0
[  563.044451][ T7835]  ? reacquire_held_locks+0x4b0/0x4b0
[  563.049968][ T7835]  ? rcu_is_watching+0x12/0xb0
[  563.054835][ T7835]  ? do_one_initcall+0xf0/0x620
[  563.059718][ T7835]  ? __fget_files+0x272/0x410
[  563.064428][ T7835]  ? bpf_lsm_file_ioctl+0x9/0x10
[  563.069666][ T7835]  ? send_break+0x3e0/0x3e0
[  563.074287][ T7835]  __x64_sys_ioctl+0x18f/0x210
[  563.079270][ T7835]  do_syscall_64+0x38/0xb0
[  563.083797][ T7835]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  563.089980][ T7835] RIP: 0033:0x7fe65e0fd6e9
[  563.096754][ T7835] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  563.116382][ T7835] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  563.124990][ T7835] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  563.133147][ T7835] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  563.141148][ T7835] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  563.149138][ T7835] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  563.157205][ T7835] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  563.165384][ T7835]  </TASK>
[  563.206172][ T7835] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.228522][ T7836] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  563.241803][ T7836] CPU: 1 PID: 7836 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  563.251167][ T7836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  563.262048][ T7836] Call Trace:
[  563.265369][ T7836]  <TASK>
[  563.268351][ T7836]  dump_stack_lvl+0x125/0x1b0
[  563.273088][ T7836]  sysfs_warn_dup+0x7f/0xa0
[  563.277650][ T7836]  sysfs_create_dir_ns+0x237/0x290
[  563.282822][ T7836]  ? sysfs_create_mount_point+0xb0/0xb0
[  563.288432][ T7836]  ? spin_bug+0x1d0/0x1d0
[  563.292942][ T7836]  ? class_dir_child_ns_type+0xd/0x60
[  563.298638][ T7836]  kobject_add_internal+0x2c8/0x960
[  563.303911][ T7836]  kobject_add+0x154/0x220
[  563.308484][ T7836]  ? kset_create_and_add+0x190/0x190
[  563.313832][ T7836]  ? do_raw_spin_unlock+0x173/0x230
[  563.319096][ T7836]  ? kobject_put+0xbe/0x440
[  563.323666][ T7836]  device_add+0x289/0x1a90
[  563.328159][ T7836]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  563.335098][ T7836]  ? __init_waitqueue_head+0xca/0x150
[  563.340540][ T7836]  tty_register_device_attr+0x382/0x7c0
[  563.346152][ T7836]  ? lockdep_init_map_type+0x16d/0x7c0
[  563.351672][ T7836]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  563.357279][ T7836]  ? lockdep_init_map_type+0x16d/0x7c0
[  563.362977][ T7836]  ? __raw_spin_lock_init+0x3a/0x110
[  563.368328][ T7836]  ? tty_port_init+0x156/0x1b0
[  563.373254][ T7836]  gsm_activate_mux+0x170/0x2f0
[  563.378181][ T7836]  gsmld_ioctl+0x876/0x1510
[  563.382766][ T7836]  ? gsm_dlci_config+0xf00/0xf00
[  563.387772][ T7836]  ? __ldsem_down_read_nested+0xe4/0x910
[  563.393459][ T7836]  ? __ldsem_down_read_nested+0xf4/0x910
[  563.399942][ T7836]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  563.408157][ T7836]  ? vt_waitactive+0x360/0x360
[  563.412998][ T7836]  ? gsm_dlci_config+0xf00/0xf00
[  563.418015][ T7836]  tty_ioctl+0x6f8/0x1550
[  563.422404][ T7836]  ? send_break+0x3e0/0x3e0
[  563.426984][ T7836]  ? reacquire_held_locks+0x4b0/0x4b0
[  563.432413][ T7836]  ? sigprocmask+0xf1/0x330
[  563.436973][ T7836]  ? do_sigtimedwait+0x5c0/0x5c0
[  563.443123][ T7836]  ? __fget_files+0x272/0x410
[  563.447918][ T7836]  ? bpf_lsm_file_ioctl+0x9/0x10
[  563.452908][ T7836]  ? send_break+0x3e0/0x3e0
[  563.457542][ T7836]  __x64_sys_ioctl+0x18f/0x210
[  563.462433][ T7836]  do_syscall_64+0x38/0xb0
[  563.466871][ T7836]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  563.472773][ T7836] RIP: 0033:0x7fe65e0fd6e9
[  563.477200][ T7836] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  563.497169][ T7836] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  563.505605][ T7836] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  563.513586][ T7836] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  563.521570][ T7836] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  563.530064][ T7836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  563.538125][ T7836] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  563.546112][ T7836]  </TASK>
[  563.552655][ T7836] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.828802][ T7839] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  563.863804][ T7839] CPU: 0 PID: 7839 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  563.873265][ T7839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  563.883363][ T7839] Call Trace:
[  563.886676][ T7839]  <TASK>
[  563.889639][ T7839]  dump_stack_lvl+0x125/0x1b0
[  563.894371][ T7839]  sysfs_warn_dup+0x7f/0xa0
[  563.898924][ T7839]  sysfs_create_dir_ns+0x237/0x290
[  563.904095][ T7839]  ? sysfs_create_mount_point+0xb0/0xb0
[  563.909792][ T7839]  ? spin_bug+0x1d0/0x1d0
[  563.914185][ T7839]  ? class_dir_child_ns_type+0xd/0x60
[  563.919792][ T7839]  kobject_add_internal+0x2c8/0x960
[  563.925062][ T7839]  kobject_add+0x154/0x220
[  563.931093][ T7839]  ? kset_create_and_add+0x190/0x190
[  563.936415][ T7839]  ? do_raw_spin_unlock+0x173/0x230
[  563.941735][ T7839]  ? kobject_put+0xbe/0x440
[  563.946271][ T7839]  device_add+0x289/0x1a90
[  563.950813][ T7839]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  563.957957][ T7839]  ? __init_waitqueue_head+0xca/0x150
[  563.963362][ T7839]  tty_register_device_attr+0x382/0x7c0
[  563.968949][ T7839]  ? lockdep_init_map_type+0x16d/0x7c0
[  563.974441][ T7839]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  563.980014][ T7839]  ? lockdep_init_map_type+0x16d/0x7c0
[  563.985517][ T7839]  ? __raw_spin_lock_init+0x3a/0x110
[  563.990848][ T7839]  ? tty_port_init+0x156/0x1b0
[  563.995791][ T7839]  gsm_activate_mux+0x170/0x2f0
[  564.000812][ T7839]  gsmld_ioctl+0x876/0x1510
[  564.005535][ T7839]  ? gsm_dlci_config+0xf00/0xf00
[  564.010521][ T7839]  ? __ldsem_down_read_nested+0xe4/0x910
[  564.016493][ T7839]  ? __ldsem_down_read_nested+0xf4/0x910
[  564.022155][ T7839]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  564.027566][ T7839]  ? vt_waitactive+0x360/0x360
[  564.032453][ T7839]  ? gsm_dlci_config+0xf00/0xf00
[  564.037593][ T7839]  tty_ioctl+0x6f8/0x1550
[  564.042063][ T7839]  ? send_break+0x3e0/0x3e0
[  564.046701][ T7839]  ? reacquire_held_locks+0x4b0/0x4b0
[  564.052099][ T7839]  ? rcu_is_watching+0x12/0xb0
[  564.056985][ T7839]  ? do_one_initcall+0xf0/0x620
[  564.062045][ T7839]  ? __fget_files+0x272/0x410
[  564.066976][ T7839]  ? bpf_lsm_file_ioctl+0x9/0x10
[  564.072062][ T7839]  ? send_break+0x3e0/0x3e0
[  564.076790][ T7839]  __x64_sys_ioctl+0x18f/0x210
[  564.081607][ T7839]  do_syscall_64+0x38/0xb0
[  564.086054][ T7839]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  564.091979][ T7839] RIP: 0033:0x7fe65e0fd6e9
[  564.096513][ T7839] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  564.116333][ T7839] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  564.124960][ T7839] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  564.133125][ T7839] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  564.141207][ T7839] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  564.149287][ T7839] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  564.157464][ T7839] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  564.165746][ T7839]  </TASK>
[  564.190225][ T7839] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.561024][ T7842] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  564.581750][ T7842] CPU: 0 PID: 7842 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  564.591291][ T7842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  564.601517][ T7842] Call Trace:
[  564.604829][ T7842]  <TASK>
[  564.607971][ T7842]  dump_stack_lvl+0x125/0x1b0
[  564.612713][ T7842]  sysfs_warn_dup+0x7f/0xa0
[  564.617806][ T7842]  sysfs_create_dir_ns+0x237/0x290
[  564.623021][ T7842]  ? sysfs_create_mount_point+0xb0/0xb0
[  564.628971][ T7842]  ? spin_bug+0x1d0/0x1d0
[  564.633371][ T7842]  ? class_dir_child_ns_type+0xd/0x60
[  564.638789][ T7842]  kobject_add_internal+0x2c8/0x960
[  564.644222][ T7842]  kobject_add+0x154/0x220
[  564.648696][ T7842]  ? kset_create_and_add+0x190/0x190
[  564.654128][ T7842]  ? do_raw_spin_unlock+0x173/0x230
[  564.659392][ T7842]  ? kobject_put+0xbe/0x440
[  564.664391][ T7842]  device_add+0x289/0x1a90
[  564.669127][ T7842]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  564.676390][ T7842]  ? __init_waitqueue_head+0xca/0x150
[  564.681828][ T7842]  tty_register_device_attr+0x382/0x7c0
[  564.687561][ T7842]  ? lockdep_init_map_type+0x16d/0x7c0
[  564.693064][ T7842]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  564.698868][ T7842]  ? lockdep_init_map_type+0x16d/0x7c0
[  564.704623][ T7842]  ? __raw_spin_lock_init+0x3a/0x110
[  564.710198][ T7842]  ? tty_port_init+0x156/0x1b0
[  564.714984][ T7842]  gsm_activate_mux+0x170/0x2f0
[  564.720052][ T7842]  gsmld_ioctl+0x876/0x1510
[  564.724855][ T7842]  ? gsm_dlci_config+0xf00/0xf00
[  564.729824][ T7842]  ? __ldsem_down_read_nested+0xe4/0x910
[  564.735917][ T7842]  ? __ldsem_down_read_nested+0xf4/0x910
[  564.741577][ T7842]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  564.746980][ T7842]  ? vt_waitactive+0x360/0x360
[  564.751774][ T7842]  ? gsm_dlci_config+0xf00/0xf00
[  564.756907][ T7842]  tty_ioctl+0x6f8/0x1550
[  564.761704][ T7842]  ? send_break+0x3e0/0x3e0
[  564.766414][ T7842]  ? reacquire_held_locks+0x4b0/0x4b0
[  564.771824][ T7842]  ? rcu_is_watching+0x12/0xb0
[  564.776608][ T7842]  ? do_one_initcall+0xf0/0x620
[  564.781502][ T7842]  ? __fget_files+0x272/0x410
[  564.786388][ T7842]  ? bpf_lsm_file_ioctl+0x9/0x10
[  564.791372][ T7842]  ? send_break+0x3e0/0x3e0
[  564.796103][ T7842]  __x64_sys_ioctl+0x18f/0x210
[  564.800931][ T7842]  do_syscall_64+0x38/0xb0
[  564.805387][ T7842]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  564.811333][ T7842] RIP: 0033:0x7fe65e0fd6e9
[  564.815768][ T7842] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  564.835390][ T7842] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  564.843831][ T7842] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  564.851901][ T7842] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  564.860405][ T7842] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  564.868476][ T7842] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  564.878023][ T7842] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  564.886373][ T7842]  </TASK>
[  564.900578][ T7842] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.925557][ T7843] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  564.944632][ T7843] CPU: 1 PID: 7843 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  564.954161][ T7843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  564.964436][ T7843] Call Trace:
[  564.967754][ T7843]  <TASK>
[  564.970746][ T7843]  dump_stack_lvl+0x125/0x1b0
[  564.975508][ T7843]  sysfs_warn_dup+0x7f/0xa0
[  564.980250][ T7843]  sysfs_create_dir_ns+0x237/0x290
[  564.985595][ T7843]  ? sysfs_create_mount_point+0xb0/0xb0
[  564.991249][ T7843]  ? spin_bug+0x1d0/0x1d0
[  564.995743][ T7843]  ? class_dir_child_ns_type+0xd/0x60
[  565.001321][ T7843]  kobject_add_internal+0x2c8/0x960
[  565.006592][ T7843]  kobject_add+0x154/0x220
[  565.011127][ T7843]  ? kset_create_and_add+0x190/0x190
[  565.016564][ T7843]  ? do_raw_spin_unlock+0x173/0x230
[  565.021836][ T7843]  ? kobject_put+0xbe/0x440
[  565.026502][ T7843]  device_add+0x289/0x1a90
[  565.030994][ T7843]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  565.038087][ T7843]  ? __init_waitqueue_head+0xca/0x150
[  565.043505][ T7843]  tty_register_device_attr+0x382/0x7c0
[  565.049082][ T7843]  ? lockdep_init_map_type+0x16d/0x7c0
[  565.054575][ T7843]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  565.060156][ T7843]  ? lockdep_init_map_type+0x16d/0x7c0
[  565.065648][ T7843]  ? __raw_spin_lock_init+0x3a/0x110
[  565.071138][ T7843]  ? tty_port_init+0x156/0x1b0
[  565.076017][ T7843]  gsm_activate_mux+0x170/0x2f0
[  565.081003][ T7843]  gsmld_ioctl+0x876/0x1510
[  565.085635][ T7843]  ? gsm_dlci_config+0xf00/0xf00
[  565.090607][ T7843]  ? __ldsem_down_read_nested+0xe4/0x910
[  565.096270][ T7843]  ? __ldsem_down_read_nested+0xf4/0x910
[  565.101931][ T7843]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  565.107427][ T7843]  ? vt_waitactive+0x360/0x360
[  565.112227][ T7843]  ? gsm_dlci_config+0xf00/0xf00
[  565.117209][ T7843]  tty_ioctl+0x6f8/0x1550
[  565.121579][ T7843]  ? send_break+0x3e0/0x3e0
[  565.126131][ T7843]  ? reacquire_held_locks+0x4b0/0x4b0
[  565.131620][ T7843]  ? sigprocmask+0xf1/0x330
[  565.136191][ T7843]  ? do_sigtimedwait+0x5c0/0x5c0
[  565.141175][ T7843]  ? __fget_files+0x272/0x410
[  565.145950][ T7843]  ? bpf_lsm_file_ioctl+0x9/0x10
[  565.151172][ T7843]  ? send_break+0x3e0/0x3e0
[  565.155791][ T7843]  __x64_sys_ioctl+0x18f/0x210
[  565.161372][ T7843]  do_syscall_64+0x38/0xb0
[  565.165826][ T7843]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  565.172012][ T7843] RIP: 0033:0x7fe65e0fd6e9
[  565.176452][ T7843] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  565.196273][ T7843] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  565.204887][ T7843] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  565.212871][ T7843] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  565.221117][ T7843] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  565.230006][ T7843] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  565.238014][ T7843] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  565.246047][ T7843]  </TASK>
[  565.272612][ T7843] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.567364][ T7846] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  565.592622][ T7846] CPU: 0 PID: 7846 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  565.601988][ T7846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  565.612092][ T7846] Call Trace:
[  565.616555][ T7846]  <TASK>
[  565.619594][ T7846]  dump_stack_lvl+0x125/0x1b0
[  565.624356][ T7846]  sysfs_warn_dup+0x7f/0xa0
[  565.628923][ T7846]  sysfs_create_dir_ns+0x237/0x290
[  565.634090][ T7846]  ? sysfs_create_mount_point+0xb0/0xb0
[  565.639697][ T7846]  ? spin_bug+0x1d0/0x1d0
[  565.644279][ T7846]  ? class_dir_child_ns_type+0xd/0x60
[  565.649798][ T7846]  kobject_add_internal+0x2c8/0x960
[  565.655061][ T7846]  kobject_add+0x154/0x220
[  565.659541][ T7846]  ? kset_create_and_add+0x190/0x190
[  565.664889][ T7846]  ? do_raw_spin_unlock+0x173/0x230
[  565.670347][ T7846]  ? kobject_put+0xbe/0x440
[  565.674916][ T7846]  device_add+0x289/0x1a90
[  565.679399][ T7846]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  565.686317][ T7846]  ? __init_waitqueue_head+0xca/0x150
[  565.691855][ T7846]  tty_register_device_attr+0x382/0x7c0
[  565.697522][ T7846]  ? lockdep_init_map_type+0x16d/0x7c0
[  565.703452][ T7846]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  565.709067][ T7846]  ? lockdep_init_map_type+0x16d/0x7c0
[  565.714598][ T7846]  ? __raw_spin_lock_init+0x3a/0x110
[  565.719946][ T7846]  ? tty_port_init+0x156/0x1b0
[  565.725028][ T7846]  gsm_activate_mux+0x170/0x2f0
[  565.729939][ T7846]  gsmld_ioctl+0x876/0x1510
[  565.734515][ T7846]  ? gsm_dlci_config+0xf00/0xf00
[  565.739511][ T7846]  ? __ldsem_down_read_nested+0xe4/0x910
[  565.745207][ T7846]  ? __ldsem_down_read_nested+0xf4/0x910
[  565.750897][ T7846]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  565.756336][ T7846]  ? vt_waitactive+0x360/0x360
[  565.761171][ T7846]  ? gsm_dlci_config+0xf00/0xf00
[  565.766169][ T7846]  tty_ioctl+0x6f8/0x1550
[  565.770648][ T7846]  ? send_break+0x3e0/0x3e0
[  565.775249][ T7846]  ? reacquire_held_locks+0x4b0/0x4b0
[  565.780685][ T7846]  ? rcu_is_watching+0x12/0xb0
[  565.785593][ T7846]  ? do_one_initcall+0xf0/0x620
[  565.790613][ T7846]  ? __fget_files+0x272/0x410
[  565.795544][ T7846]  ? bpf_lsm_file_ioctl+0x9/0x10
[  565.800628][ T7846]  ? send_break+0x3e0/0x3e0
[  565.805200][ T7846]  __x64_sys_ioctl+0x18f/0x210
[  565.810039][ T7846]  do_syscall_64+0x38/0xb0
[  565.814601][ T7846]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  565.820817][ T7846] RIP: 0033:0x7fe65e0fd6e9
[  565.825276][ T7846] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  565.845196][ T7846] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  565.853664][ T7846] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  565.861940][ T7846] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  565.870052][ T7846] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  565.878070][ T7846] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  565.886084][ T7846] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  565.894137][ T7846]  </TASK>
[  565.899497][ T7846] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.176266][ T7849] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  566.201865][ T7849] CPU: 0 PID: 7849 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  566.211607][ T7849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  566.221712][ T7849] Call Trace:
[  566.225036][ T7849]  <TASK>
[  566.228007][ T7849]  dump_stack_lvl+0x125/0x1b0
[  566.232737][ T7849]  sysfs_warn_dup+0x7f/0xa0
[  566.237295][ T7849]  sysfs_create_dir_ns+0x237/0x290
[  566.242460][ T7849]  ? sysfs_create_mount_point+0xb0/0xb0
[  566.248062][ T7849]  ? spin_bug+0x1d0/0x1d0
[  566.252546][ T7849]  ? class_dir_child_ns_type+0xd/0x60
[  566.259019][ T7849]  kobject_add_internal+0x2c8/0x960
[  566.264280][ T7849]  kobject_add+0x154/0x220
[  566.268750][ T7849]  ? kset_create_and_add+0x190/0x190
[  566.274103][ T7849]  ? do_raw_spin_unlock+0x173/0x230
[  566.279454][ T7849]  ? kobject_put+0xbe/0x440
[  566.284200][ T7849]  device_add+0x289/0x1a90
[  566.288695][ T7849]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  566.295620][ T7849]  ? __init_waitqueue_head+0xca/0x150
[  566.301095][ T7849]  tty_register_device_attr+0x382/0x7c0
[  566.306778][ T7849]  ? lockdep_init_map_type+0x16d/0x7c0
[  566.312304][ T7849]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  566.317925][ T7849]  ? lockdep_init_map_type+0x16d/0x7c0
[  566.323553][ T7849]  ? __raw_spin_lock_init+0x3a/0x110
[  566.328919][ T7849]  ? tty_port_init+0x156/0x1b0
[  566.333747][ T7849]  gsm_activate_mux+0x170/0x2f0
[  566.338673][ T7849]  gsmld_ioctl+0x876/0x1510
[  566.343785][ T7849]  ? gsm_dlci_config+0xf00/0xf00
[  566.348880][ T7849]  ? __ldsem_down_read_nested+0xe4/0x910
[  566.354594][ T7849]  ? __ldsem_down_read_nested+0xf4/0x910
[  566.360282][ T7849]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  566.365730][ T7849]  ? vt_waitactive+0x360/0x360
[  566.370564][ T7849]  ? gsm_dlci_config+0xf00/0xf00
[  566.375568][ T7849]  tty_ioctl+0x6f8/0x1550
[  566.379979][ T7849]  ? send_break+0x3e0/0x3e0
[  566.385428][ T7849]  ? reacquire_held_locks+0x4b0/0x4b0
[  566.390864][ T7849]  ? rcu_is_watching+0x12/0xb0
[  566.395708][ T7849]  ? do_one_initcall+0xf0/0x620
[  566.400814][ T7849]  ? __fget_files+0x272/0x410
[  566.405668][ T7849]  ? bpf_lsm_file_ioctl+0x9/0x10
[  566.410678][ T7849]  ? send_break+0x3e0/0x3e0
[  566.415259][ T7849]  __x64_sys_ioctl+0x18f/0x210
[  566.420099][ T7849]  do_syscall_64+0x38/0xb0
[  566.424567][ T7849]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  566.430530][ T7849] RIP: 0033:0x7fe65e0fd6e9
[  566.434996][ T7849] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  566.454743][ T7849] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  566.463426][ T7849] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  566.471436][ T7849] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  566.479720][ T7849] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  566.487824][ T7849] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  566.495944][ T7849] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  566.504112][ T7849]  </TASK>
[  566.512915][ T7849] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.787366][ T7852] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  566.816910][ T7852] CPU: 1 PID: 7852 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  566.826190][ T7852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  566.836284][ T7852] Call Trace:
[  566.839594][ T7852]  <TASK>
[  566.842533][ T7852]  dump_stack_lvl+0x125/0x1b0
[  566.847242][ T7852]  sysfs_warn_dup+0x7f/0xa0
[  566.851770][ T7852]  sysfs_create_dir_ns+0x237/0x290
[  566.856900][ T7852]  ? sysfs_create_mount_point+0xb0/0xb0
[  566.862548][ T7852]  ? spin_bug+0x1d0/0x1d0
[  566.866913][ T7852]  ? class_dir_child_ns_type+0xd/0x60
[  566.872368][ T7852]  kobject_add_internal+0x2c8/0x960
[  566.877600][ T7852]  kobject_add+0x154/0x220
[  566.882136][ T7852]  ? kset_create_and_add+0x190/0x190
[  566.887625][ T7852]  ? do_raw_spin_unlock+0x173/0x230
[  566.892865][ T7852]  ? kobject_put+0xbe/0x440
[  566.897495][ T7852]  device_add+0x289/0x1a90
[  566.902038][ T7852]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  566.909100][ T7852]  ? __init_waitqueue_head+0xca/0x150
[  566.914594][ T7852]  tty_register_device_attr+0x382/0x7c0
[  566.920170][ T7852]  ? lockdep_init_map_type+0x16d/0x7c0
[  566.925654][ T7852]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  566.931223][ T7852]  ? lockdep_init_map_type+0x16d/0x7c0
[  566.936713][ T7852]  ? __raw_spin_lock_init+0x3a/0x110
[  566.942026][ T7852]  ? tty_port_init+0x156/0x1b0
[  566.946813][ T7852]  gsm_activate_mux+0x170/0x2f0
[  566.951705][ T7852]  gsmld_ioctl+0x876/0x1510
[  566.956248][ T7852]  ? gsm_dlci_config+0xf00/0xf00
[  566.961231][ T7852]  ? __ldsem_down_read_nested+0xe4/0x910
[  566.966883][ T7852]  ? __ldsem_down_read_nested+0xf4/0x910
[  566.972668][ T7852]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  566.978192][ T7852]  ? vt_waitactive+0x360/0x360
[  566.983293][ T7852]  ? gsm_dlci_config+0xf00/0xf00
[  566.988373][ T7852]  tty_ioctl+0x6f8/0x1550
[  566.992748][ T7852]  ? send_break+0x3e0/0x3e0
[  566.997284][ T7852]  ? reacquire_held_locks+0x4b0/0x4b0
[  567.002777][ T7852]  ? rcu_is_watching+0x12/0xb0
[  567.007649][ T7852]  ? do_one_initcall+0xf0/0x620
[  567.012618][ T7852]  ? __fget_files+0x272/0x410
[  567.017665][ T7852]  ? bpf_lsm_file_ioctl+0x9/0x10
[  567.022746][ T7852]  ? send_break+0x3e0/0x3e0
[  567.027384][ T7852]  __x64_sys_ioctl+0x18f/0x210
[  567.032230][ T7852]  do_syscall_64+0x38/0xb0
[  567.036691][ T7852]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  567.042616][ T7852] RIP: 0033:0x7fe65e0fd6e9
[  567.047065][ T7852] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  567.066809][ T7852] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  567.075345][ T7852] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  567.083514][ T7852] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  567.091587][ T7852] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  567.099573][ T7852] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  567.107647][ T7852] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  567.115655][ T7852]  </TASK>
[  567.122147][ T7853] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  567.130863][ T7853] CPU: 0 PID: 7853 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  567.140099][ T7853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  567.150094][ T7852] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.150347][ T7853] Call Trace:
[  567.167884][ T7853]  <TASK>
[  567.170934][ T7853]  dump_stack_lvl+0x125/0x1b0
[  567.175673][ T7853]  sysfs_warn_dup+0x7f/0xa0
[  567.180307][ T7853]  sysfs_create_dir_ns+0x237/0x290
[  567.185447][ T7853]  ? sysfs_create_mount_point+0xb0/0xb0
[  567.191611][ T7853]  ? spin_bug+0x1d0/0x1d0
[  567.196004][ T7853]  ? class_dir_child_ns_type+0xd/0x60
[  567.201402][ T7853]  kobject_add_internal+0x2c8/0x960
[  567.206805][ T7853]  kobject_add+0x154/0x220
[  567.211261][ T7853]  ? kset_create_and_add+0x190/0x190
[  567.216668][ T7853]  ? do_raw_spin_unlock+0x173/0x230
[  567.222075][ T7853]  ? kobject_put+0xbe/0x440
[  567.226702][ T7853]  device_add+0x289/0x1a90
[  567.231336][ T7853]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  567.238746][ T7853]  ? __init_waitqueue_head+0xca/0x150
[  567.244263][ T7853]  tty_register_device_attr+0x382/0x7c0
[  567.250161][ T7853]  ? lockdep_init_map_type+0x16d/0x7c0
[  567.255751][ T7853]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  567.262029][ T7853]  ? lockdep_init_map_type+0x16d/0x7c0
[  567.268054][ T7853]  ? __raw_spin_lock_init+0x3a/0x110
[  567.273469][ T7853]  ? tty_port_init+0x156/0x1b0
[  567.278257][ T7853]  gsm_activate_mux+0x170/0x2f0
[  567.283226][ T7853]  gsmld_ioctl+0x876/0x1510
[  567.287770][ T7853]  ? gsm_dlci_config+0xf00/0xf00
[  567.292830][ T7853]  ? __ldsem_down_read_nested+0xe4/0x910
[  567.298656][ T7853]  ? __ldsem_down_read_nested+0xf4/0x910
[  567.304319][ T7853]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  567.309928][ T7853]  ? vt_waitactive+0x360/0x360
[  567.314729][ T7853]  ? gsm_dlci_config+0xf00/0xf00
[  567.319926][ T7853]  tty_ioctl+0x6f8/0x1550
[  567.324292][ T7853]  ? send_break+0x3e0/0x3e0
[  567.328829][ T7853]  ? reacquire_held_locks+0x4b0/0x4b0
[  567.334315][ T7853]  ? sigprocmask+0xf1/0x330
[  567.339058][ T7853]  ? do_sigtimedwait+0x5c0/0x5c0
[  567.344041][ T7853]  ? __fget_files+0x272/0x410
[  567.348756][ T7853]  ? bpf_lsm_file_ioctl+0x9/0x10
[  567.353768][ T7853]  ? send_break+0x3e0/0x3e0
[  567.358308][ T7853]  __x64_sys_ioctl+0x18f/0x210
[  567.363200][ T7853]  do_syscall_64+0x38/0xb0
[  567.367724][ T7853]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  567.373642][ T7853] RIP: 0033:0x7fe65e0fd6e9
[  567.378073][ T7853] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  567.397706][ T7853] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  567.406315][ T7853] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  567.414387][ T7853] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  567.422591][ T7853] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  567.430752][ T7853] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  567.438912][ T7853] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  567.447265][ T7853]  </TASK>
[  567.456290][ T7853] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.880711][ T7856] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  567.895200][ T7856] CPU: 0 PID: 7856 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  567.904750][ T7856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  567.914939][ T7856] Call Trace:
[  567.918524][ T7856]  <TASK>
[  567.921507][ T7856]  dump_stack_lvl+0x125/0x1b0
[  567.926356][ T7856]  sysfs_warn_dup+0x7f/0xa0
[  567.930908][ T7856]  sysfs_create_dir_ns+0x237/0x290
[  567.936075][ T7856]  ? sysfs_create_mount_point+0xb0/0xb0
[  567.941668][ T7856]  ? spin_bug+0x1d0/0x1d0
[  567.946228][ T7856]  ? class_dir_child_ns_type+0xd/0x60
[  567.951647][ T7856]  kobject_add_internal+0x2c8/0x960
[  567.956982][ T7856]  kobject_add+0x154/0x220
[  567.961444][ T7856]  ? kset_create_and_add+0x190/0x190
[  567.966781][ T7856]  ? do_raw_spin_unlock+0x173/0x230
[  567.972038][ T7856]  ? kobject_put+0xbe/0x440
[  567.976609][ T7856]  device_add+0x289/0x1a90
[  567.981084][ T7856]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  567.988029][ T7856]  ? __init_waitqueue_head+0xca/0x150
[  567.993474][ T7856]  tty_register_device_attr+0x382/0x7c0
[  567.999092][ T7856]  ? lockdep_init_map_type+0x16d/0x7c0
[  568.004624][ T7856]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  568.010232][ T7856]  ? lockdep_init_map_type+0x16d/0x7c0
[  568.015761][ T7856]  ? __raw_spin_lock_init+0x3a/0x110
[  568.021140][ T7856]  ? tty_port_init+0x156/0x1b0
[  568.025961][ T7856]  gsm_activate_mux+0x170/0x2f0
[  568.030877][ T7856]  gsmld_ioctl+0x876/0x1510
[  568.035452][ T7856]  ? gsm_dlci_config+0xf00/0xf00
[  568.040455][ T7856]  ? __ldsem_down_read_nested+0xe4/0x910
[  568.046133][ T7856]  ? __ldsem_down_read_nested+0xf4/0x910
[  568.051823][ T7856]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  568.057259][ T7856]  ? vt_waitactive+0x360/0x360
[  568.062256][ T7856]  ? gsm_dlci_config+0xf00/0xf00
[  568.067257][ T7856]  tty_ioctl+0x6f8/0x1550
[  568.071660][ T7856]  ? send_break+0x3e0/0x3e0
[  568.076234][ T7856]  ? reacquire_held_locks+0x4b0/0x4b0
[  568.081668][ T7856]  ? rcu_is_watching+0x12/0xb0
[  568.086493][ T7856]  ? do_one_initcall+0xf0/0x620
[  568.091410][ T7856]  ? __fget_files+0x272/0x410
[  568.096258][ T7856]  ? bpf_lsm_file_ioctl+0x9/0x10
[  568.101296][ T7856]  ? send_break+0x3e0/0x3e0
[  568.105858][ T7856]  __x64_sys_ioctl+0x18f/0x210
[  568.110692][ T7856]  do_syscall_64+0x38/0xb0
[  568.115151][ T7856]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  568.121121][ T7856] RIP: 0033:0x7fe65e0fd6e9
[  568.125577][ T7856] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  568.145232][ T7856] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  568.153701][ T7856] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  568.161726][ T7856] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  568.169942][ T7856] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  568.177959][ T7856] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  568.186068][ T7856] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  568.194199][ T7856]  </TASK>
[  568.207861][ T7856] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.477658][ T7859] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  568.500381][ T7859] CPU: 0 PID: 7859 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  568.509831][ T7859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  568.520245][ T7859] Call Trace:
[  568.523573][ T7859]  <TASK>
[  568.526541][ T7859]  dump_stack_lvl+0x125/0x1b0
[  568.531553][ T7859]  sysfs_warn_dup+0x7f/0xa0
[  568.534353][ T7860] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  568.536156][ T7859]  sysfs_create_dir_ns+0x237/0x290
[  568.536200][ T7859]  ? sysfs_create_mount_point+0xb0/0xb0
[  568.555400][ T7859]  ? spin_bug+0x1d0/0x1d0
[  568.559895][ T7859]  ? class_dir_child_ns_type+0xd/0x60
[  568.565321][ T7859]  kobject_add_internal+0x2c8/0x960
[  568.570590][ T7859]  kobject_add+0x154/0x220
[  568.575153][ T7859]  ? kset_create_and_add+0x190/0x190
[  568.580697][ T7859]  ? do_raw_spin_unlock+0x173/0x230
[  568.585962][ T7859]  ? kobject_put+0xbe/0x440
[  568.590542][ T7859]  device_add+0x289/0x1a90
[  568.595102][ T7859]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  568.602019][ T7859]  ? __init_waitqueue_head+0xca/0x150
[  568.607455][ T7859]  tty_register_device_attr+0x382/0x7c0
[  568.613160][ T7859]  ? lockdep_init_map_type+0x16d/0x7c0
[  568.618768][ T7859]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  568.624631][ T7859]  ? lockdep_init_map_type+0x16d/0x7c0
[  568.630220][ T7859]  ? __raw_spin_lock_init+0x3a/0x110
[  568.635545][ T7859]  ? tty_port_init+0x156/0x1b0
[  568.640340][ T7859]  gsm_activate_mux+0x170/0x2f0
[  568.645239][ T7859]  gsmld_ioctl+0x876/0x1510
[  568.649909][ T7859]  ? gsm_dlci_config+0xf00/0xf00
[  568.654914][ T7859]  ? __ldsem_down_read_nested+0xe4/0x910
[  568.660943][ T7859]  ? __ldsem_down_read_nested+0xf4/0x910
[  568.666734][ T7859]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  568.672169][ T7859]  ? vt_waitactive+0x360/0x360
[  568.676987][ T7859]  ? gsm_dlci_config+0xf00/0xf00
[  568.682062][ T7859]  tty_ioctl+0x6f8/0x1550
[  568.686438][ T7859]  ? send_break+0x3e0/0x3e0
[  568.690986][ T7859]  ? reacquire_held_locks+0x4b0/0x4b0
[  568.696402][ T7859]  ? rcu_is_watching+0x12/0xb0
[  568.701286][ T7859]  ? do_one_initcall+0xf0/0x620
[  568.706193][ T7859]  ? __fget_files+0x272/0x410
[  568.711006][ T7859]  ? bpf_lsm_file_ioctl+0x9/0x10
[  568.715978][ T7859]  ? send_break+0x3e0/0x3e0
[  568.720526][ T7859]  __x64_sys_ioctl+0x18f/0x210
[  568.725341][ T7859]  do_syscall_64+0x38/0xb0
[  568.729789][ T7859]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  568.735714][ T7859] RIP: 0033:0x7fe65e0fd6e9
[  568.740149][ T7859] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  568.759807][ T7859] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  568.768278][ T7859] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  568.776297][ T7859] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  568.784387][ T7859] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  568.792558][ T7859] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  568.800571][ T7859] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  568.808607][ T7859]  </TASK>
[  568.811694][ T7860] CPU: 1 PID: 7860 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  568.821064][ T7860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  568.831182][ T7860] Call Trace:
[  568.834484][ T7860]  <TASK>
[  568.837435][ T7860]  dump_stack_lvl+0x125/0x1b0
[  568.842149][ T7860]  sysfs_warn_dup+0x7f/0xa0
[  568.846674][ T7860]  sysfs_create_dir_ns+0x237/0x290
[  568.851804][ T7860]  ? sysfs_create_mount_point+0xb0/0xb0
[  568.857395][ T7860]  ? spin_bug+0x1d0/0x1d0
[  568.861774][ T7860]  ? class_dir_child_ns_type+0xd/0x60
[  568.867179][ T7860]  kobject_add_internal+0x2c8/0x960
[  568.872409][ T7860]  kobject_add+0x154/0x220
[  568.876853][ T7860]  ? kset_create_and_add+0x190/0x190
[  568.882163][ T7860]  ? do_raw_spin_unlock+0x173/0x230
[  568.887386][ T7860]  ? kobject_put+0xbe/0x440
[  568.891921][ T7860]  device_add+0x289/0x1a90
[  568.896368][ T7860]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  568.903254][ T7860]  ? __init_waitqueue_head+0xca/0x150
[  568.908664][ T7860]  tty_register_device_attr+0x382/0x7c0
[  568.914426][ T7860]  ? lockdep_init_map_type+0x16d/0x7c0
[  568.919917][ T7860]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  568.925662][ T7860]  ? lockdep_init_map_type+0x16d/0x7c0
[  568.931329][ T7860]  ? __raw_spin_lock_init+0x3a/0x110
[  568.936734][ T7860]  ? tty_port_init+0x156/0x1b0
[  568.941619][ T7860]  gsm_activate_mux+0x170/0x2f0
[  568.946508][ T7860]  gsmld_ioctl+0x876/0x1510
[  568.951051][ T7860]  ? gsm_dlci_config+0xf00/0xf00
[  568.956149][ T7860]  ? __ldsem_down_read_nested+0xe4/0x910
[  568.961812][ T7860]  ? __ldsem_down_read_nested+0xf4/0x910
[  568.967564][ T7860]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  568.973158][ T7860]  ? vt_waitactive+0x360/0x360
[  568.977955][ T7860]  ? gsm_dlci_config+0xf00/0xf00
[  568.982924][ T7860]  tty_ioctl+0x6f8/0x1550
[  568.987289][ T7860]  ? send_break+0x3e0/0x3e0
[  568.991913][ T7860]  ? reacquire_held_locks+0x4b0/0x4b0
[  568.997496][ T7860]  ? rcu_is_watching+0x12/0xb0
[  569.002399][ T7860]  ? do_sigtimedwait+0x5c0/0x5c0
[  569.007394][ T7860]  ? do_one_initcall+0xf0/0x620
[  569.012378][ T7860]  ? __fget_files+0x272/0x410
[  569.017127][ T7860]  ? bpf_lsm_file_ioctl+0x9/0x10
[  569.022379][ T7860]  ? send_break+0x3e0/0x3e0
[  569.027011][ T7860]  __x64_sys_ioctl+0x18f/0x210
[  569.031818][ T7860]  do_syscall_64+0x38/0xb0
[  569.036355][ T7860]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  569.042272][ T7860] RIP: 0033:0x7fe65e0fd6e9
[  569.046709][ T7860] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  569.067214][ T7860] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  569.076000][ T7860] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  569.084080][ T7860] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  569.092148][ T7860] RBP: 00007fe65e187400 R08: 00007fe65e07c6c0 R09: 00007fe65e07c6c0
[  569.100134][ T7860] R10: 00007ffc5d6ea897 R11: 0000000000000246 R12: 00007fe65e154074
[  569.108115][ T7860] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  569.116124][ T7860]  </TASK>
[  569.120762][ T7860] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.131444][ T1235] ieee802154 phy0 wpan0: encryption failed: -22
[  569.146892][ T7859] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.153494][ T1235] ieee802154 phy1 wpan1: encryption failed: -22
[  569.522673][ T7863] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  569.532022][ T7863] CPU: 1 PID: 7863 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  569.541285][ T7863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  569.551571][ T7863] Call Trace:
[  569.555119][ T7863]  <TASK>
[  569.558097][ T7863]  dump_stack_lvl+0x125/0x1b0
[  569.562836][ T7863]  sysfs_warn_dup+0x7f/0xa0
[  569.567401][ T7863]  sysfs_create_dir_ns+0x237/0x290
[  569.572655][ T7863]  ? sysfs_create_mount_point+0xb0/0xb0
[  569.578260][ T7863]  ? spin_bug+0x1d0/0x1d0
[  569.582760][ T7863]  ? class_dir_child_ns_type+0xd/0x60
[  569.588439][ T7863]  kobject_add_internal+0x2c8/0x960
[  569.593706][ T7863]  kobject_add+0x154/0x220
[  569.598179][ T7863]  ? kset_create_and_add+0x190/0x190
[  569.603521][ T7863]  ? do_raw_spin_unlock+0x173/0x230
[  569.608806][ T7863]  ? kobject_put+0xbe/0x440
[  569.613449][ T7863]  device_add+0x289/0x1a90
[  569.617915][ T7863]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  569.625240][ T7863]  ? __init_waitqueue_head+0xca/0x150
[  569.630653][ T7863]  tty_register_device_attr+0x382/0x7c0
[  569.636237][ T7863]  ? lockdep_init_map_type+0x16d/0x7c0
[  569.641823][ T7863]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  569.647395][ T7863]  ? lockdep_init_map_type+0x16d/0x7c0
[  569.652975][ T7863]  ? __raw_spin_lock_init+0x3a/0x110
[  569.658296][ T7863]  ? tty_port_init+0x156/0x1b0
[  569.663350][ T7863]  gsm_activate_mux+0x170/0x2f0
[  569.668507][ T7863]  gsmld_ioctl+0x876/0x1510
[  569.673091][ T7863]  ? gsm_dlci_config+0xf00/0xf00
[  569.678234][ T7863]  ? __ldsem_down_read_nested+0xe4/0x910
[  569.683899][ T7863]  ? __ldsem_down_read_nested+0xf4/0x910
[  569.689589][ T7863]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  569.695168][ T7863]  ? vt_waitactive+0x360/0x360
[  569.699966][ T7863]  ? gsm_dlci_config+0xf00/0xf00
[  569.704935][ T7863]  tty_ioctl+0x6f8/0x1550
[  569.709297][ T7863]  ? send_break+0x3e0/0x3e0
[  569.713828][ T7863]  ? reacquire_held_locks+0x4b0/0x4b0
[  569.719313][ T7863]  ? rcu_is_watching+0x12/0xb0
[  569.724100][ T7863]  ? do_one_initcall+0xf0/0x620
[  569.728983][ T7863]  ? __fget_files+0x272/0x410
[  569.733763][ T7863]  ? bpf_lsm_file_ioctl+0x9/0x10
[  569.738724][ T7863]  ? send_break+0x3e0/0x3e0
[  569.743688][ T7863]  __x64_sys_ioctl+0x18f/0x210
[  569.748511][ T7863]  do_syscall_64+0x38/0xb0
[  569.753040][ T7863]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  569.759043][ T7863] RIP: 0033:0x7fe65e0fd6e9
[  569.763569][ T7863] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  569.784413][ T7863] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  569.792858][ T7863] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  569.800851][ T7863] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  569.809014][ T7863] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  569.817216][ T7863] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  569.825290][ T7863] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  569.833408][ T7863]  </TASK>
[  569.843266][ T7863] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.851901][ T7864] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  569.875438][ T7864] CPU: 1 PID: 7864 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  569.884800][ T7864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  569.894917][ T7864] Call Trace:
[  569.898226][ T7864]  <TASK>
[  569.901186][ T7864]  dump_stack_lvl+0x125/0x1b0
[  569.905911][ T7864]  sysfs_warn_dup+0x7f/0xa0
[  569.910483][ T7864]  sysfs_create_dir_ns+0x237/0x290
[  569.915645][ T7864]  ? sysfs_create_mount_point+0xb0/0xb0
[  569.921327][ T7864]  ? spin_bug+0x1d0/0x1d0
[  569.925843][ T7864]  ? class_dir_child_ns_type+0xd/0x60
[  569.931544][ T7864]  kobject_add_internal+0x2c8/0x960
[  569.936990][ T7864]  kobject_add+0x154/0x220
[  569.941479][ T7864]  ? kset_create_and_add+0x190/0x190
[  569.946905][ T7864]  ? do_raw_spin_unlock+0x173/0x230
[  569.952143][ T7864]  ? kobject_put+0xbe/0x440
[  569.956679][ T7864]  device_add+0x289/0x1a90
[  569.961132][ T7864]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  569.968014][ T7864]  ? __init_waitqueue_head+0xca/0x150
[  569.973452][ T7864]  tty_register_device_attr+0x382/0x7c0
[  569.979118][ T7864]  ? lockdep_init_map_type+0x16d/0x7c0
[  569.985130][ T7864]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  569.990702][ T7864]  ? lockdep_init_map_type+0x16d/0x7c0
[  569.996464][ T7864]  ? __raw_spin_lock_init+0x3a/0x110
[  570.001783][ T7864]  ? tty_port_init+0x156/0x1b0
[  570.006571][ T7864]  gsm_activate_mux+0x170/0x2f0
[  570.011543][ T7864]  gsmld_ioctl+0x876/0x1510
[  570.016083][ T7864]  ? gsm_dlci_config+0xf00/0xf00
[  570.021146][ T7864]  ? __ldsem_down_read_nested+0xe4/0x910
[  570.026795][ T7864]  ? __ldsem_down_read_nested+0xf4/0x910
[  570.032545][ T7864]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  570.037951][ T7864]  ? vt_waitactive+0x360/0x360
[  570.042746][ T7864]  ? gsm_dlci_config+0xf00/0xf00
[  570.047716][ T7864]  tty_ioctl+0x6f8/0x1550
[  570.052080][ T7864]  ? send_break+0x3e0/0x3e0
[  570.056617][ T7864]  ? reacquire_held_locks+0x4b0/0x4b0
[  570.062014][ T7864]  ? sigprocmask+0xf1/0x330
[  570.066550][ T7864]  ? do_sigtimedwait+0x5c0/0x5c0
[  570.071623][ T7864]  ? __fget_files+0x272/0x410
[  570.076350][ T7864]  ? bpf_lsm_file_ioctl+0x9/0x10
[  570.081315][ T7864]  ? send_break+0x3e0/0x3e0
[  570.085848][ T7864]  __x64_sys_ioctl+0x18f/0x210
[  570.090831][ T7864]  do_syscall_64+0x38/0xb0
[  570.095271][ T7864]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  570.101367][ T7864] RIP: 0033:0x7fe65e0fd6e9
[  570.105805][ T7864] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  570.125517][ T7864] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  570.134215][ T7864] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  570.142209][ T7864] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  570.150194][ T7864] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  570.158269][ T7864] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  570.166511][ T7864] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  570.174538][ T7864]  </TASK>
[  570.200594][ T7864] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.560108][ T7867] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.570502][ T7867] CPU: 1 PID: 7867 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  570.579806][ T7867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  570.589906][ T7867] Call Trace:
[  570.593658][ T7867]  <TASK>
[  570.596627][ T7867]  dump_stack_lvl+0x125/0x1b0
[  570.601529][ T7867]  sysfs_warn_dup+0x7f/0xa0
[  570.606105][ T7867]  sysfs_create_dir_ns+0x237/0x290
[  570.611274][ T7867]  ? sysfs_create_mount_point+0xb0/0xb0
[  570.616986][ T7867]  ? spin_bug+0x1d0/0x1d0
[  570.621396][ T7867]  ? class_dir_child_ns_type+0xd/0x60
[  570.626831][ T7867]  kobject_add_internal+0x2c8/0x960
[  570.632100][ T7867]  kobject_add+0x154/0x220
[  570.636654][ T7867]  ? kset_create_and_add+0x190/0x190
[  570.642007][ T7867]  ? do_raw_spin_unlock+0x173/0x230
[  570.647272][ T7867]  ? kobject_put+0xbe/0x440
[  570.651848][ T7867]  device_add+0x289/0x1a90
[  570.656334][ T7867]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  570.663253][ T7867]  ? __init_waitqueue_head+0xca/0x150
[  570.668867][ T7867]  tty_register_device_attr+0x382/0x7c0
[  570.674451][ T7867]  ? lockdep_init_map_type+0x16d/0x7c0
[  570.679942][ T7867]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  570.685511][ T7867]  ? lockdep_init_map_type+0x16d/0x7c0
[  570.690999][ T7867]  ? __raw_spin_lock_init+0x3a/0x110
[  570.696343][ T7867]  ? tty_port_init+0x156/0x1b0
[  570.701651][ T7867]  gsm_activate_mux+0x170/0x2f0
[  570.706540][ T7867]  gsmld_ioctl+0x876/0x1510
[  570.711089][ T7867]  ? gsm_dlci_config+0xf00/0xf00
[  570.716068][ T7867]  ? __ldsem_down_read_nested+0xe4/0x910
[  570.721727][ T7867]  ? __ldsem_down_read_nested+0xf4/0x910
[  570.727590][ T7867]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  570.733068][ T7867]  ? vt_waitactive+0x360/0x360
[  570.737968][ T7867]  ? gsm_dlci_config+0xf00/0xf00
[  570.743464][ T7867]  tty_ioctl+0x6f8/0x1550
[  570.747827][ T7867]  ? send_break+0x3e0/0x3e0
[  570.752363][ T7867]  ? reacquire_held_locks+0x4b0/0x4b0
[  570.757909][ T7867]  ? rcu_is_watching+0x12/0xb0
[  570.762691][ T7867]  ? do_one_initcall+0xf0/0x620
[  570.767749][ T7867]  ? __fget_files+0x272/0x410
[  570.772650][ T7867]  ? bpf_lsm_file_ioctl+0x9/0x10
[  570.777698][ T7867]  ? send_break+0x3e0/0x3e0
[  570.782521][ T7867]  __x64_sys_ioctl+0x18f/0x210
[  570.787329][ T7867]  do_syscall_64+0x38/0xb0
[  570.791765][ T7867]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  570.797687][ T7867] RIP: 0033:0x7fe65e0fd6e9
[  570.802116][ T7867] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  570.821834][ T7867] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  570.830355][ T7867] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  570.838514][ T7867] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  570.846583][ T7867] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  570.854599][ T7867] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  570.862847][ T7867] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  570.871282][ T7867]  </TASK>
[  570.884121][ T7868] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.892616][ T7868] CPU: 1 PID: 7868 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  570.901865][ T7868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  570.912138][ T7868] Call Trace:
[  570.915542][ T7868]  <TASK>
[  570.918524][ T7868]  dump_stack_lvl+0x125/0x1b0
[  570.923275][ T7868]  sysfs_warn_dup+0x7f/0xa0
[  570.927949][ T7868]  sysfs_create_dir_ns+0x237/0x290
[  570.933200][ T7868]  ? sysfs_create_mount_point+0xb0/0xb0
[  570.939153][ T7868]  ? spin_bug+0x1d0/0x1d0
[  570.943554][ T7868]  ? class_dir_child_ns_type+0xd/0x60
[  570.948981][ T7868]  kobject_add_internal+0x2c8/0x960
[  570.954248][ T7868]  kobject_add+0x154/0x220
[  570.958718][ T7868]  ? kset_create_and_add+0x190/0x190
[  570.964066][ T7868]  ? do_raw_spin_unlock+0x173/0x230
[  570.969320][ T7868]  ? kobject_put+0xbe/0x440
[  570.973891][ T7868]  device_add+0x289/0x1a90
[  570.978376][ T7868]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  570.985298][ T7868]  ? __init_waitqueue_head+0xca/0x150
[  570.990765][ T7868]  tty_register_device_attr+0x382/0x7c0
[  570.996380][ T7868]  ? lockdep_init_map_type+0x16d/0x7c0
[  571.002079][ T7868]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  571.007777][ T7868]  ? lockdep_init_map_type+0x16d/0x7c0
[  571.013567][ T7868]  ? __raw_spin_lock_init+0x3a/0x110
[  571.018918][ T7868]  ? tty_port_init+0x156/0x1b0
[  571.023822][ T7868]  gsm_activate_mux+0x170/0x2f0
[  571.028837][ T7868]  gsmld_ioctl+0x876/0x1510
[  571.033416][ T7868]  ? gsm_dlci_config+0xf00/0xf00
[  571.038543][ T7868]  ? __ldsem_down_read_nested+0xe4/0x910
[  571.044367][ T7868]  ? __ldsem_down_read_nested+0xf4/0x910
[  571.050236][ T7868]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  571.055683][ T7868]  ? vt_waitactive+0x360/0x360
[  571.060535][ T7868]  ? gsm_dlci_config+0xf00/0xf00
[  571.065535][ T7868]  tty_ioctl+0x6f8/0x1550
[  571.070044][ T7868]  ? send_break+0x3e0/0x3e0
[  571.074616][ T7868]  ? reacquire_held_locks+0x4b0/0x4b0
[  571.080049][ T7868]  ? sigprocmask+0xf1/0x330
[  571.084614][ T7868]  ? do_sigtimedwait+0x5c0/0x5c0
[  571.089633][ T7868]  ? __fget_files+0x272/0x410
[  571.094377][ T7868]  ? bpf_lsm_file_ioctl+0x9/0x10
[  571.099369][ T7868]  ? send_break+0x3e0/0x3e0
[  571.103959][ T7868]  __x64_sys_ioctl+0x18f/0x210
[  571.104251][ T7867] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.108762][ T7868]  do_syscall_64+0x38/0xb0
[  571.127267][ T7868]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  571.133341][ T7868] RIP: 0033:0x7fe65e0fd6e9
[  571.137841][ T7868] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  571.157744][ T7868] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  571.166182][ T7868] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  571.174257][ T7868] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  571.182798][ T7868] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  571.190803][ T7868] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  571.199547][ T7868] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  571.207694][ T7868]  </TASK>
[  571.221639][ T7868] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.495237][ T7871] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  571.514114][ T7871] CPU: 1 PID: 7871 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  571.523401][ T7871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  571.533494][ T7871] Call Trace:
[  571.536815][ T7871]  <TASK>
[  571.539783][ T7871]  dump_stack_lvl+0x125/0x1b0
[  571.544741][ T7871]  sysfs_warn_dup+0x7f/0xa0
[  571.549441][ T7871]  sysfs_create_dir_ns+0x237/0x290
[  571.554608][ T7871]  ? sysfs_create_mount_point+0xb0/0xb0
[  571.560729][ T7871]  ? spin_bug+0x1d0/0x1d0
[  571.565490][ T7871]  ? class_dir_child_ns_type+0xd/0x60
[  571.571161][ T7871]  kobject_add_internal+0x2c8/0x960
[  571.576396][ T7871]  kobject_add+0x154/0x220
[  571.580838][ T7871]  ? kset_create_and_add+0x190/0x190
[  571.586507][ T7871]  ? do_raw_spin_unlock+0x173/0x230
[  571.592007][ T7871]  ? kobject_put+0xbe/0x440
[  571.596648][ T7871]  device_add+0x289/0x1a90
[  571.601531][ T7871]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  571.608600][ T7871]  ? __init_waitqueue_head+0xca/0x150
[  571.614180][ T7871]  tty_register_device_attr+0x382/0x7c0
[  571.619770][ T7871]  ? lockdep_init_map_type+0x16d/0x7c0
[  571.625719][ T7871]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  571.631599][ T7871]  ? lockdep_init_map_type+0x16d/0x7c0
[  571.637140][ T7871]  ? __raw_spin_lock_init+0x3a/0x110
[  571.643225][ T7871]  ? tty_port_init+0x156/0x1b0
[  571.648222][ T7871]  gsm_activate_mux+0x170/0x2f0
[  571.653376][ T7871]  gsmld_ioctl+0x876/0x1510
[  571.657917][ T7871]  ? gsm_dlci_config+0xf00/0xf00
[  571.663150][ T7871]  ? __ldsem_down_read_nested+0xe4/0x910
[  571.668903][ T7871]  ? __ldsem_down_read_nested+0xf4/0x910
[  571.675172][ T7871]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  571.680784][ T7871]  ? vt_waitactive+0x360/0x360
[  571.685944][ T7871]  ? gsm_dlci_config+0xf00/0xf00
[  571.691031][ T7871]  tty_ioctl+0x6f8/0x1550
[  571.695403][ T7871]  ? send_break+0x3e0/0x3e0
[  571.700115][ T7871]  ? reacquire_held_locks+0x4b0/0x4b0
[  571.705523][ T7871]  ? rcu_is_watching+0x12/0xb0
[  571.710473][ T7871]  ? do_one_initcall+0xf0/0x620
[  571.715449][ T7871]  ? __fget_files+0x272/0x410
[  571.720339][ T7871]  ? bpf_lsm_file_ioctl+0x9/0x10
[  571.725662][ T7871]  ? send_break+0x3e0/0x3e0
[  571.730377][ T7871]  __x64_sys_ioctl+0x18f/0x210
[  571.735262][ T7871]  do_syscall_64+0x38/0xb0
[  571.739737][ T7871]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  571.745686][ T7871] RIP: 0033:0x7fe65e0fd6e9
[  571.750132][ T7871] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  571.769933][ T7871] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  571.778372][ T7871] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  571.786544][ T7871] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  571.796012][ T7871] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  571.804107][ T7871] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  571.812202][ T7871] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  571.820498][ T7871]  </TASK>
[  571.831953][ T7871] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.241160][ T7874] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  572.274925][ T7874] CPU: 0 PID: 7874 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  572.284196][ T7874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  572.294466][ T7874] Call Trace:
[  572.297779][ T7874]  <TASK>
[  572.300739][ T7874]  dump_stack_lvl+0x125/0x1b0
[  572.305647][ T7874]  sysfs_warn_dup+0x7f/0xa0
[  572.310291][ T7874]  sysfs_create_dir_ns+0x237/0x290
[  572.315722][ T7874]  ? sysfs_create_mount_point+0xb0/0xb0
[  572.321413][ T7874]  ? spin_bug+0x1d0/0x1d0
[  572.325817][ T7874]  ? class_dir_child_ns_type+0xd/0x60
[  572.331244][ T7874]  kobject_add_internal+0x2c8/0x960
[  572.336536][ T7874]  kobject_add+0x154/0x220
[  572.341490][ T7874]  ? kset_create_and_add+0x190/0x190
[  572.347018][ T7874]  ? do_raw_spin_unlock+0x173/0x230
[  572.352283][ T7874]  ? kobject_put+0xbe/0x440
[  572.356852][ T7874]  device_add+0x289/0x1a90
[  572.361422][ T7874]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  572.368358][ T7874]  ? __init_waitqueue_head+0xca/0x150
[  572.373803][ T7874]  tty_register_device_attr+0x382/0x7c0
[  572.379417][ T7874]  ? lockdep_init_map_type+0x16d/0x7c0
[  572.384944][ T7874]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  572.390753][ T7874]  ? lockdep_init_map_type+0x16d/0x7c0
[  572.398507][ T7874]  ? __raw_spin_lock_init+0x3a/0x110
[  572.404128][ T7874]  ? tty_port_init+0x156/0x1b0
[  572.408917][ T7874]  gsm_activate_mux+0x170/0x2f0
[  572.413896][ T7874]  gsmld_ioctl+0x876/0x1510
[  572.418441][ T7874]  ? gsm_dlci_config+0xf00/0xf00
[  572.423419][ T7874]  ? __ldsem_down_read_nested+0xe4/0x910
[  572.429071][ T7874]  ? __ldsem_down_read_nested+0xf4/0x910
[  572.434731][ T7874]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  572.440146][ T7874]  ? vt_waitactive+0x360/0x360
[  572.444944][ T7874]  ? gsm_dlci_config+0xf00/0xf00
[  572.449910][ T7874]  tty_ioctl+0x6f8/0x1550
[  572.454276][ T7874]  ? send_break+0x3e0/0x3e0
[  572.459075][ T7874]  ? reacquire_held_locks+0x4b0/0x4b0
[  572.464484][ T7874]  ? rcu_is_watching+0x12/0xb0
[  572.469300][ T7874]  ? do_one_initcall+0xf0/0x620
[  572.474532][ T7874]  ? __fget_files+0x272/0x410
[  572.479347][ T7874]  ? bpf_lsm_file_ioctl+0x9/0x10
[  572.484424][ T7874]  ? send_break+0x3e0/0x3e0
[  572.489159][ T7874]  __x64_sys_ioctl+0x18f/0x210
[  572.493972][ T7874]  do_syscall_64+0x38/0xb0
[  572.498447][ T7874]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  572.504392][ T7874] RIP: 0033:0x7fe65e0fd6e9
[  572.508833][ T7874] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  572.528805][ T7874] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  572.537262][ T7874] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  572.545250][ T7874] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  572.553237][ T7874] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  572.561402][ T7874] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  572.569418][ T7874] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  572.577615][ T7874]  </TASK>
[  572.584270][ T7874] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.585950][ T7875] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  572.607606][ T7875] CPU: 0 PID: 7875 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  572.616863][ T7875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  572.626963][ T7875] Call Trace:
[  572.630279][ T7875]  <TASK>
[  572.633247][ T7875]  dump_stack_lvl+0x125/0x1b0
[  572.638008][ T7875]  sysfs_warn_dup+0x7f/0xa0
[  572.642997][ T7875]  sysfs_create_dir_ns+0x237/0x290
[  572.648163][ T7875]  ? sysfs_create_mount_point+0xb0/0xb0
[  572.653990][ T7875]  ? spin_bug+0x1d0/0x1d0
[  572.658478][ T7875]  ? class_dir_child_ns_type+0xd/0x60
[  572.663920][ T7875]  kobject_add_internal+0x2c8/0x960
[  572.669275][ T7875]  kobject_add+0x154/0x220
[  572.673750][ T7875]  ? kset_create_and_add+0x190/0x190
[  572.679095][ T7875]  ? do_raw_spin_unlock+0x173/0x230
[  572.684366][ T7875]  ? kobject_put+0xbe/0x440
[  572.688939][ T7875]  device_add+0x289/0x1a90
[  572.693703][ T7875]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  572.700713][ T7875]  ? __init_waitqueue_head+0xca/0x150
[  572.706151][ T7875]  tty_register_device_attr+0x382/0x7c0
[  572.711763][ T7875]  ? lockdep_init_map_type+0x16d/0x7c0
[  572.717461][ T7875]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  572.723052][ T7875]  ? lockdep_init_map_type+0x16d/0x7c0
[  572.728557][ T7875]  ? __raw_spin_lock_init+0x3a/0x110
[  572.733969][ T7875]  ? tty_port_init+0x156/0x1b0
[  572.738758][ T7875]  gsm_activate_mux+0x170/0x2f0
[  572.743820][ T7875]  gsmld_ioctl+0x876/0x1510
[  572.748360][ T7875]  ? gsm_dlci_config+0xf00/0xf00
[  572.753327][ T7875]  ? __ldsem_down_read_nested+0xe4/0x910
[  572.758982][ T7875]  ? __ldsem_down_read_nested+0xf4/0x910
[  572.764647][ T7875]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  572.770400][ T7875]  ? vt_waitactive+0x360/0x360
[  572.775198][ T7875]  ? gsm_dlci_config+0xf00/0xf00
[  572.780162][ T7875]  tty_ioctl+0x6f8/0x1550
[  572.784526][ T7875]  ? send_break+0x3e0/0x3e0
[  572.789126][ T7875]  ? reacquire_held_locks+0x4b0/0x4b0
[  572.794529][ T7875]  ? sigprocmask+0xf1/0x330
[  572.799085][ T7875]  ? do_sigtimedwait+0x5c0/0x5c0
[  572.804155][ T7875]  ? __fget_files+0x272/0x410
[  572.808867][ T7875]  ? bpf_lsm_file_ioctl+0x9/0x10
[  572.813830][ T7875]  ? send_break+0x3e0/0x3e0
[  572.818465][ T7875]  __x64_sys_ioctl+0x18f/0x210
[  572.823262][ T7875]  do_syscall_64+0x38/0xb0
[  572.827705][ T7875]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  572.833827][ T7875] RIP: 0033:0x7fe65e0fd6e9
[  572.838560][ T7875] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  572.858398][ T7875] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  572.866938][ T7875] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  572.874955][ T7875] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  572.882971][ T7875] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  572.891104][ T7875] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  572.899293][ T7875] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  572.907308][ T7875]  </TASK>
[  572.914179][ T7875] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.230793][ T7878] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.245138][ T7878] CPU: 1 PID: 7878 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  573.254621][ T7878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  573.264893][ T7878] Call Trace:
[  573.268276][ T7878]  <TASK>
[  573.271222][ T7878]  dump_stack_lvl+0x125/0x1b0
[  573.275964][ T7878]  sysfs_warn_dup+0x7f/0xa0
[  573.280497][ T7878]  sysfs_create_dir_ns+0x237/0x290
[  573.285629][ T7878]  ? sysfs_create_mount_point+0xb0/0xb0
[  573.291205][ T7878]  ? spin_bug+0x1d0/0x1d0
[  573.295774][ T7878]  ? class_dir_child_ns_type+0xd/0x60
[  573.301264][ T7878]  kobject_add_internal+0x2c8/0x960
[  573.306495][ T7878]  kobject_add+0x154/0x220
[  573.310944][ T7878]  ? kset_create_and_add+0x190/0x190
[  573.316251][ T7878]  ? do_raw_spin_unlock+0x173/0x230
[  573.321488][ T7878]  ? kobject_put+0xbe/0x440
[  573.326029][ T7878]  device_add+0x289/0x1a90
[  573.330830][ T7878]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  573.338087][ T7878]  ? __init_waitqueue_head+0xca/0x150
[  573.343493][ T7878]  tty_register_device_attr+0x382/0x7c0
[  573.349072][ T7878]  ? lockdep_init_map_type+0x16d/0x7c0
[  573.354570][ T7878]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  573.360177][ T7878]  ? lockdep_init_map_type+0x16d/0x7c0
[  573.365993][ T7878]  ? __raw_spin_lock_init+0x3a/0x110
[  573.371406][ T7878]  ? tty_port_init+0x156/0x1b0
[  573.376370][ T7878]  gsm_activate_mux+0x170/0x2f0
[  573.381529][ T7878]  gsmld_ioctl+0x876/0x1510
[  573.386418][ T7878]  ? gsm_dlci_config+0xf00/0xf00
[  573.391385][ T7878]  ? __ldsem_down_read_nested+0xe4/0x910
[  573.397221][ T7878]  ? __ldsem_down_read_nested+0xf4/0x910
[  573.402885][ T7878]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  573.408293][ T7878]  ? vt_waitactive+0x360/0x360
[  573.413179][ T7878]  ? gsm_dlci_config+0xf00/0xf00
[  573.418142][ T7878]  tty_ioctl+0x6f8/0x1550
[  573.422516][ T7878]  ? send_break+0x3e0/0x3e0
[  573.427055][ T7878]  ? reacquire_held_locks+0x4b0/0x4b0
[  573.432463][ T7878]  ? rcu_is_watching+0x12/0xb0
[  573.437247][ T7878]  ? do_one_initcall+0xf0/0x620
[  573.442654][ T7878]  ? __fget_files+0x272/0x410
[  573.447374][ T7878]  ? bpf_lsm_file_ioctl+0x9/0x10
[  573.453465][ T7878]  ? send_break+0x3e0/0x3e0
[  573.458088][ T7878]  __x64_sys_ioctl+0x18f/0x210
[  573.462928][ T7878]  do_syscall_64+0x38/0xb0
[  573.467373][ T7878]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  573.473409][ T7878] RIP: 0033:0x7fe65e0fd6e9
[  573.477873][ T7878] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  573.497697][ T7878] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  573.506135][ T7878] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  573.514211][ T7878] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  573.522461][ T7878] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  573.530793][ T7878] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  573.538879][ T7878] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  573.546884][ T7878]  </TASK>
[  573.555707][ T7878] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.565385][ T7879] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.590519][ T7879] CPU: 0 PID: 7879 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  573.599965][ T7879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  573.610332][ T7879] Call Trace:
[  573.613756][ T7879]  <TASK>
[  573.616827][ T7879]  dump_stack_lvl+0x125/0x1b0
[  573.621647][ T7879]  sysfs_warn_dup+0x7f/0xa0
[  573.626287][ T7879]  sysfs_create_dir_ns+0x237/0x290
[  573.631450][ T7879]  ? sysfs_create_mount_point+0xb0/0xb0
[  573.637050][ T7879]  ? spin_bug+0x1d0/0x1d0
[  573.641531][ T7879]  ? class_dir_child_ns_type+0xd/0x60
[  573.647046][ T7879]  kobject_add_internal+0x2c8/0x960
[  573.652312][ T7879]  kobject_add+0x154/0x220
[  573.656904][ T7879]  ? kset_create_and_add+0x190/0x190
[  573.662251][ T7879]  ? do_raw_spin_unlock+0x173/0x230
[  573.667858][ T7879]  ? kobject_put+0xbe/0x440
[  573.672609][ T7879]  device_add+0x289/0x1a90
[  573.677372][ T7879]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  573.684740][ T7879]  ? __init_waitqueue_head+0xca/0x150
[  573.690373][ T7879]  tty_register_device_attr+0x382/0x7c0
[  573.696170][ T7879]  ? lockdep_init_map_type+0x16d/0x7c0
[  573.701850][ T7879]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  573.707523][ T7879]  ? lockdep_init_map_type+0x16d/0x7c0
[  573.713184][ T7879]  ? __raw_spin_lock_init+0x3a/0x110
[  573.718848][ T7879]  ? tty_port_init+0x156/0x1b0
[  573.723811][ T7879]  gsm_activate_mux+0x170/0x2f0
[  573.728873][ T7879]  gsmld_ioctl+0x876/0x1510
[  573.733427][ T7879]  ? gsm_dlci_config+0xf00/0xf00
[  573.738494][ T7879]  ? __ldsem_down_read_nested+0xe4/0x910
[  573.744362][ T7879]  ? __ldsem_down_read_nested+0xf4/0x910
[  573.750021][ T7879]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  573.755426][ T7879]  ? vt_waitactive+0x360/0x360
[  573.760223][ T7879]  ? gsm_dlci_config+0xf00/0xf00
[  573.765187][ T7879]  tty_ioctl+0x6f8/0x1550
[  573.769578][ T7879]  ? send_break+0x3e0/0x3e0
[  573.774149][ T7879]  ? reacquire_held_locks+0x4b0/0x4b0
[  573.779657][ T7879]  ? sigprocmask+0xf1/0x330
[  573.784285][ T7879]  ? do_sigtimedwait+0x5c0/0x5c0
[  573.789636][ T7879]  ? __fget_files+0x272/0x410
[  573.794559][ T7879]  ? bpf_lsm_file_ioctl+0x9/0x10
[  573.799540][ T7879]  ? send_break+0x3e0/0x3e0
[  573.804080][ T7879]  __x64_sys_ioctl+0x18f/0x210
[  573.809056][ T7879]  do_syscall_64+0x38/0xb0
[  573.813492][ T7879]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  573.819418][ T7879] RIP: 0033:0x7fe65e0fd6e9
[  573.823856][ T7879] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  573.844086][ T7879] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  573.852515][ T7879] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  573.860677][ T7879] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  573.869052][ T7879] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  573.877231][ T7879] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  573.885578][ T7879] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  573.893610][ T7879]  </TASK>
[  573.897690][ T7879] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.293485][ T7882] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  574.301996][ T7882] CPU: 1 PID: 7882 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  574.311413][ T7882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  574.321595][ T7882] Call Trace:
[  574.324901][ T7882]  <TASK>
[  574.327858][ T7882]  dump_stack_lvl+0x125/0x1b0
[  574.332683][ T7882]  sysfs_warn_dup+0x7f/0xa0
[  574.337263][ T7882]  sysfs_create_dir_ns+0x237/0x290
[  574.339868][ T7883] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  574.342485][ T7882]  ? sysfs_create_mount_point+0xb0/0xb0
[  574.356496][ T7882]  ? spin_bug+0x1d0/0x1d0
[  574.361036][ T7882]  ? class_dir_child_ns_type+0xd/0x60
[  574.366548][ T7882]  kobject_add_internal+0x2c8/0x960
[  574.371808][ T7882]  kobject_add+0x154/0x220
[  574.376530][ T7882]  ? kset_create_and_add+0x190/0x190
[  574.381947][ T7882]  ? do_raw_spin_unlock+0x173/0x230
[  574.387285][ T7882]  ? kobject_put+0xbe/0x440
[  574.391835][ T7882]  device_add+0x289/0x1a90
[  574.396329][ T7882]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  574.403254][ T7882]  ? __init_waitqueue_head+0xca/0x150
[  574.408689][ T7882]  tty_register_device_attr+0x382/0x7c0
[  574.414329][ T7882]  ? lockdep_init_map_type+0x16d/0x7c0
[  574.419858][ T7882]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  574.425445][ T7882]  ? lockdep_init_map_type+0x16d/0x7c0
[  574.431036][ T7882]  ? __raw_spin_lock_init+0x3a/0x110
[  574.436365][ T7882]  ? tty_port_init+0x156/0x1b0
[  574.441160][ T7882]  gsm_activate_mux+0x170/0x2f0
[  574.446048][ T7882]  gsmld_ioctl+0x876/0x1510
[  574.450685][ T7882]  ? gsm_dlci_config+0xf00/0xf00
[  574.455753][ T7882]  ? __ldsem_down_read_nested+0xe4/0x910
[  574.461510][ T7882]  ? __ldsem_down_read_nested+0xf4/0x910
[  574.467185][ T7882]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  574.472618][ T7882]  ? vt_waitactive+0x360/0x360
[  574.478299][ T7882]  ? gsm_dlci_config+0xf00/0xf00
[  574.485796][ T7882]  tty_ioctl+0x6f8/0x1550
[  574.490174][ T7882]  ? send_break+0x3e0/0x3e0
[  574.494724][ T7882]  ? reacquire_held_locks+0x4b0/0x4b0
[  574.500218][ T7882]  ? rcu_is_watching+0x12/0xb0
[  574.505013][ T7882]  ? do_one_initcall+0xf0/0x620
[  574.509906][ T7882]  ? __fget_files+0x272/0x410
[  574.514815][ T7882]  ? bpf_lsm_file_ioctl+0x9/0x10
[  574.519797][ T7882]  ? send_break+0x3e0/0x3e0
[  574.524448][ T7882]  __x64_sys_ioctl+0x18f/0x210
[  574.529279][ T7882]  do_syscall_64+0x38/0xb0
[  574.533730][ T7882]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  574.539746][ T7882] RIP: 0033:0x7fe65e0fd6e9
[  574.544191][ T7882] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  574.563915][ T7882] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  574.572383][ T7882] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  574.580559][ T7882] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  574.588555][ T7882] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  574.596730][ T7882] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  574.604722][ T7882] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  574.612739][ T7882]  </TASK>
[  574.615771][ T7883] CPU: 0 PID: 7883 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  574.625016][ T7883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  574.635114][ T7883] Call Trace:
[  574.638425][ T7883]  <TASK>
[  574.641380][ T7883]  dump_stack_lvl+0x125/0x1b0
[  574.646100][ T7883]  sysfs_warn_dup+0x7f/0xa0
[  574.650716][ T7883]  sysfs_create_dir_ns+0x237/0x290
[  574.655850][ T7883]  ? sysfs_create_mount_point+0xb0/0xb0
[  574.661416][ T7883]  ? spin_bug+0x1d0/0x1d0
[  574.665955][ T7883]  ? class_dir_child_ns_type+0xd/0x60
[  574.671527][ T7883]  kobject_add_internal+0x2c8/0x960
[  574.676847][ T7883]  kobject_add+0x154/0x220
[  574.681634][ T7883]  ? kset_create_and_add+0x190/0x190
[  574.687031][ T7883]  ? do_raw_spin_unlock+0x173/0x230
[  574.692259][ T7883]  ? kobject_put+0xbe/0x440
[  574.697150][ T7883]  device_add+0x289/0x1a90
[  574.701692][ T7883]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  574.708773][ T7883]  ? __init_waitqueue_head+0xca/0x150
[  574.714175][ T7883]  tty_register_device_attr+0x382/0x7c0
[  574.719752][ T7883]  ? lockdep_init_map_type+0x16d/0x7c0
[  574.725265][ T7883]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  574.730850][ T7883]  ? lockdep_init_map_type+0x16d/0x7c0
[  574.736562][ T7883]  ? __raw_spin_lock_init+0x3a/0x110
[  574.742317][ T7883]  ? tty_port_init+0x156/0x1b0
[  574.747129][ T7883]  gsm_activate_mux+0x170/0x2f0
[  574.752012][ T7883]  gsmld_ioctl+0x876/0x1510
[  574.756560][ T7883]  ? gsm_dlci_config+0xf00/0xf00
[  574.761530][ T7883]  ? __ldsem_down_read_nested+0xe4/0x910
[  574.767186][ T7883]  ? __ldsem_down_read_nested+0xf4/0x910
[  574.772879][ T7883]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  574.778376][ T7883]  ? vt_waitactive+0x360/0x360
[  574.783189][ T7883]  ? gsm_dlci_config+0xf00/0xf00
[  574.788160][ T7883]  tty_ioctl+0x6f8/0x1550
[  574.792525][ T7883]  ? send_break+0x3e0/0x3e0
[  574.797069][ T7883]  ? reacquire_held_locks+0x4b0/0x4b0
[  574.802479][ T7883]  ? sigprocmask+0xf1/0x330
[  574.807009][ T7883]  ? do_sigtimedwait+0x5c0/0x5c0
[  574.812084][ T7883]  ? __fget_files+0x272/0x410
[  574.816827][ T7883]  ? bpf_lsm_file_ioctl+0x9/0x10
[  574.821885][ T7883]  ? send_break+0x3e0/0x3e0
[  574.826543][ T7883]  __x64_sys_ioctl+0x18f/0x210
[  574.831341][ T7883]  do_syscall_64+0x38/0xb0
[  574.835777][ T7883]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  574.841691][ T7883] RIP: 0033:0x7fe65e0fd6e9
[  574.846117][ T7883] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  574.865827][ T7883] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  574.874444][ T7883] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  574.882427][ T7883] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  574.890510][ T7883] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  574.898505][ T7883] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  574.906497][ T7883] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  574.914500][ T7883]  </TASK>
[  574.935057][ T7882] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.984307][ T7883] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  575.321948][ T7886] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  575.357325][ T7886] CPU: 1 PID: 7886 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  575.366767][ T7886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  575.373843][ T7887] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  575.377098][ T7886] Call Trace:
[  575.377111][ T7886]  <TASK>
[  575.377122][ T7886]  dump_stack_lvl+0x125/0x1b0
[  575.396858][ T7886]  sysfs_warn_dup+0x7f/0xa0
[  575.401424][ T7886]  sysfs_create_dir_ns+0x237/0x290
[  575.406682][ T7886]  ? sysfs_create_mount_point+0xb0/0xb0
[  575.412359][ T7886]  ? spin_bug+0x1d0/0x1d0
[  575.416745][ T7886]  ? class_dir_child_ns_type+0xd/0x60
[  575.422371][ T7886]  kobject_add_internal+0x2c8/0x960
[  575.427614][ T7886]  kobject_add+0x154/0x220
[  575.432069][ T7886]  ? kset_create_and_add+0x190/0x190
[  575.437391][ T7886]  ? do_raw_spin_unlock+0x173/0x230
[  575.442719][ T7886]  ? kobject_put+0xbe/0x440
[  575.447348][ T7886]  device_add+0x289/0x1a90
[  575.451808][ T7886]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  575.458703][ T7886]  ? __init_waitqueue_head+0xca/0x150
[  575.464120][ T7886]  tty_register_device_attr+0x382/0x7c0
[  575.469715][ T7886]  ? lockdep_init_map_type+0x16d/0x7c0
[  575.475400][ T7886]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  575.481167][ T7886]  ? lockdep_init_map_type+0x16d/0x7c0
[  575.486715][ T7886]  ? __raw_spin_lock_init+0x3a/0x110
[  575.492077][ T7886]  ? tty_port_init+0x156/0x1b0
[  575.496911][ T7886]  gsm_activate_mux+0x170/0x2f0
[  575.501919][ T7886]  gsmld_ioctl+0x876/0x1510
[  575.506482][ T7886]  ? gsm_dlci_config+0xf00/0xf00
[  575.511464][ T7886]  ? __ldsem_down_read_nested+0xe4/0x910
[  575.517125][ T7886]  ? __ldsem_down_read_nested+0xf4/0x910
[  575.522912][ T7886]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  575.528350][ T7886]  ? vt_waitactive+0x360/0x360
[  575.533166][ T7886]  ? gsm_dlci_config+0xf00/0xf00
[  575.538199][ T7886]  tty_ioctl+0x6f8/0x1550
[  575.542694][ T7886]  ? send_break+0x3e0/0x3e0
[  575.547273][ T7886]  ? reacquire_held_locks+0x4b0/0x4b0
[  575.552743][ T7886]  ? rcu_is_watching+0x12/0xb0
[  575.557657][ T7886]  ? __fget_files+0x272/0x410
[  575.562485][ T7886]  ? bpf_lsm_file_ioctl+0x9/0x10
[  575.567547][ T7886]  ? send_break+0x3e0/0x3e0
[  575.572088][ T7886]  __x64_sys_ioctl+0x18f/0x210
[  575.576894][ T7886]  do_syscall_64+0x38/0xb0
[  575.581344][ T7886]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  575.587270][ T7886] RIP: 0033:0x7fe65e0fd6e9
[  575.591793][ T7886] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  575.611634][ T7886] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  575.620092][ T7886] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  575.628091][ T7886] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  575.636866][ T7886] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  575.644859][ T7886] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  575.652873][ T7886] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  575.660896][ T7886]  </TASK>
[  575.663941][ T7887] CPU: 0 PID: 7887 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  575.673791][ T7887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  575.684066][ T7887] Call Trace:
[  575.687379][ T7887]  <TASK>
[  575.690334][ T7887]  dump_stack_lvl+0x125/0x1b0
[  575.695150][ T7887]  sysfs_warn_dup+0x7f/0xa0
[  575.699795][ T7887]  sysfs_create_dir_ns+0x237/0x290
[  575.705044][ T7887]  ? sysfs_create_mount_point+0xb0/0xb0
[  575.710622][ T7887]  ? spin_bug+0x1d0/0x1d0
[  575.714987][ T7887]  ? class_dir_child_ns_type+0xd/0x60
[  575.720382][ T7887]  kobject_add_internal+0x2c8/0x960
[  575.725612][ T7887]  kobject_add+0x154/0x220
[  575.730227][ T7887]  ? kset_create_and_add+0x190/0x190
[  575.735625][ T7887]  ? do_raw_spin_unlock+0x173/0x230
[  575.740855][ T7887]  ? kobject_put+0xbe/0x440
[  575.745389][ T7887]  device_add+0x289/0x1a90
[  575.749836][ T7887]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  575.756716][ T7887]  ? __init_waitqueue_head+0xca/0x150
[  575.762119][ T7887]  tty_register_device_attr+0x382/0x7c0
[  575.767701][ T7887]  ? lockdep_init_map_type+0x16d/0x7c0
[  575.773364][ T7887]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  575.779035][ T7887]  ? lockdep_init_map_type+0x16d/0x7c0
[  575.784628][ T7887]  ? __raw_spin_lock_init+0x3a/0x110
[  575.790031][ T7887]  ? tty_port_init+0x156/0x1b0
[  575.795429][ T7887]  gsm_activate_mux+0x170/0x2f0
[  575.800325][ T7887]  gsmld_ioctl+0x876/0x1510
[  575.804954][ T7887]  ? gsm_dlci_config+0xf00/0xf00
[  575.809933][ T7887]  ? __ldsem_down_read_nested+0xe4/0x910
[  575.815675][ T7887]  ? __ldsem_down_read_nested+0xf4/0x910
[  575.821943][ T7887]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  575.827443][ T7887]  ? vt_waitactive+0x360/0x360
[  575.832511][ T7887]  ? gsm_dlci_config+0xf00/0xf00
[  575.837564][ T7887]  tty_ioctl+0x6f8/0x1550
[  575.841930][ T7887]  ? send_break+0x3e0/0x3e0
[  575.846636][ T7887]  ? reacquire_held_locks+0x4b0/0x4b0
[  575.852127][ T7887]  ? sigprocmask+0xf1/0x330
[  575.856753][ T7887]  ? do_sigtimedwait+0x5c0/0x5c0
[  575.861729][ T7887]  ? __fget_files+0x272/0x410
[  575.866441][ T7887]  ? bpf_lsm_file_ioctl+0x9/0x10
[  575.871429][ T7887]  ? send_break+0x3e0/0x3e0
[  575.875965][ T7887]  __x64_sys_ioctl+0x18f/0x210
[  575.880847][ T7887]  do_syscall_64+0x38/0xb0
[  575.885371][ T7887]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  575.891291][ T7887] RIP: 0033:0x7fe65e0fd6e9
[  575.895722][ T7887] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  575.916139][ T7887] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  575.924585][ T7887] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  575.932570][ T7887] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  575.940565][ T7887] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  575.948556][ T7887] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  575.956537][ T7887] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  575.964750][ T7887]  </TASK>
[  575.981507][ T7886] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  575.991354][ T7887] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  576.370157][ T7890] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  576.389209][ T7890] CPU: 1 PID: 7890 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  576.398497][ T7890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  576.408685][ T7890] Call Trace:
[  576.411996][ T7890]  <TASK>
[  576.414957][ T7890]  dump_stack_lvl+0x125/0x1b0
[  576.419680][ T7890]  sysfs_warn_dup+0x7f/0xa0
[  576.424352][ T7890]  sysfs_create_dir_ns+0x237/0x290
[  576.429508][ T7890]  ? sysfs_create_mount_point+0xb0/0xb0
[  576.435107][ T7890]  ? spin_bug+0x1d0/0x1d0
[  576.439505][ T7890]  ? class_dir_child_ns_type+0xd/0x60
[  576.445022][ T7890]  kobject_add_internal+0x2c8/0x960
[  576.450310][ T7890]  kobject_add+0x154/0x220
[  576.455092][ T7890]  ? kset_create_and_add+0x190/0x190
[  576.460537][ T7890]  ? do_raw_spin_unlock+0x173/0x230
[  576.465819][ T7890]  ? kobject_put+0xbe/0x440
[  576.470568][ T7890]  device_add+0x289/0x1a90
[  576.475138][ T7890]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  576.482174][ T7890]  ? __init_waitqueue_head+0xca/0x150
[  576.487712][ T7890]  tty_register_device_attr+0x382/0x7c0
[  576.493589][ T7890]  ? lockdep_init_map_type+0x16d/0x7c0
[  576.499166][ T7890]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  576.504834][ T7890]  ? lockdep_init_map_type+0x16d/0x7c0
[  576.510462][ T7890]  ? __raw_spin_lock_init+0x3a/0x110
[  576.515900][ T7890]  ? tty_port_init+0x156/0x1b0
[  576.520722][ T7890]  gsm_activate_mux+0x170/0x2f0
[  576.525734][ T7890]  gsmld_ioctl+0x876/0x1510
[  576.530745][ T7890]  ? gsm_dlci_config+0xf00/0xf00
[  576.536047][ T7890]  ? __ldsem_down_read_nested+0xe4/0x910
[  576.541915][ T7890]  ? __ldsem_down_read_nested+0xf4/0x910
[  576.547624][ T7890]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  576.553106][ T7890]  ? vt_waitactive+0x360/0x360
[  576.557959][ T7890]  ? gsm_dlci_config+0xf00/0xf00
[  576.563395][ T7890]  tty_ioctl+0x6f8/0x1550
[  576.567874][ T7890]  ? send_break+0x3e0/0x3e0
[  576.572440][ T7890]  ? reacquire_held_locks+0x4b0/0x4b0
[  576.577879][ T7890]  ? rcu_is_watching+0x12/0xb0
[  576.582868][ T7890]  ? do_one_initcall+0xf0/0x620
[  576.587787][ T7890]  ? __fget_files+0x272/0x410
[  576.592633][ T7890]  ? bpf_lsm_file_ioctl+0x9/0x10
[  576.597638][ T7890]  ? send_break+0x3e0/0x3e0
[  576.602964][ T7890]  __x64_sys_ioctl+0x18f/0x210
[  576.607945][ T7890]  do_syscall_64+0x38/0xb0
[  576.612510][ T7890]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  576.618556][ T7890] RIP: 0033:0x7fe65e0fd6e9
[  576.623288][ T7890] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  576.643732][ T7890] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  576.652289][ T7890] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  576.660411][ T7890] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  576.669579][ T7890] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  576.677770][ T7890] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  576.686053][ T7890] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  576.694357][ T7890]  </TASK>
[  576.707595][ T7890] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  576.994008][ T7893] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  577.011480][ T7893] CPU: 1 PID: 7893 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  577.021537][ T7893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  577.031908][ T7893] Call Trace:
[  577.035322][ T7893]  <TASK>
[  577.038289][ T7893]  dump_stack_lvl+0x125/0x1b0
[  577.043019][ T7893]  sysfs_warn_dup+0x7f/0xa0
[  577.047669][ T7893]  sysfs_create_dir_ns+0x237/0x290
[  577.053027][ T7893]  ? sysfs_create_mount_point+0xb0/0xb0
[  577.058771][ T7893]  ? spin_bug+0x1d0/0x1d0
[  577.063258][ T7893]  ? class_dir_child_ns_type+0xd/0x60
[  577.068782][ T7893]  kobject_add_internal+0x2c8/0x960
[  577.074052][ T7893]  kobject_add+0x154/0x220
[  577.078723][ T7893]  ? kset_create_and_add+0x190/0x190
[  577.084256][ T7893]  ? do_raw_spin_unlock+0x173/0x230
[  577.089617][ T7893]  ? kobject_put+0xbe/0x440
[  577.094192][ T7893]  device_add+0x289/0x1a90
[  577.098678][ T7893]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  577.105647][ T7893]  ? __init_waitqueue_head+0xca/0x150
[  577.111098][ T7893]  tty_register_device_attr+0x382/0x7c0
[  577.116842][ T7893]  ? lockdep_init_map_type+0x16d/0x7c0
[  577.122373][ T7893]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  577.127987][ T7893]  ? lockdep_init_map_type+0x16d/0x7c0
[  577.133668][ T7893]  ? __raw_spin_lock_init+0x3a/0x110
[  577.139026][ T7893]  ? tty_port_init+0x156/0x1b0
[  577.143867][ T7893]  gsm_activate_mux+0x170/0x2f0
[  577.148794][ T7893]  gsmld_ioctl+0x876/0x1510
[  577.153380][ T7893]  ? gsm_dlci_config+0xf00/0xf00
[  577.158411][ T7893]  ? __ldsem_down_read_nested+0xe4/0x910
[  577.164110][ T7893]  ? __ldsem_down_read_nested+0xf4/0x910
[  577.169813][ T7893]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  577.175279][ T7893]  ? vt_waitactive+0x360/0x360
[  577.180120][ T7893]  ? gsm_dlci_config+0xf00/0xf00
[  577.185147][ T7893]  tty_ioctl+0x6f8/0x1550
[  577.189546][ T7893]  ? send_break+0x3e0/0x3e0
[  577.194119][ T7893]  ? reacquire_held_locks+0x4b0/0x4b0
[  577.199551][ T7893]  ? rcu_is_watching+0x12/0xb0
[  577.204652][ T7893]  ? do_one_initcall+0xf0/0x620
[  577.210019][ T7893]  ? __fget_files+0x272/0x410
[  577.214861][ T7893]  ? bpf_lsm_file_ioctl+0x9/0x10
[  577.219866][ T7893]  ? send_break+0x3e0/0x3e0
[  577.224447][ T7893]  __x64_sys_ioctl+0x18f/0x210
[  577.229635][ T7893]  do_syscall_64+0x38/0xb0
[  577.234117][ T7893]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  577.240264][ T7893] RIP: 0033:0x7fe65e0fd6e9
[  577.244731][ T7893] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  577.264477][ T7893] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  577.272939][ T7893] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  577.281014][ T7893] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  577.289051][ T7893] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  577.297358][ T7893] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  577.305469][ T7893] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  577.313505][ T7893]  </TASK>
[  577.327092][ T7893] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  577.621707][ T7896] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  577.636142][ T7896] CPU: 1 PID: 7896 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  577.646234][ T7896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  577.656311][ T7896] Call Trace:
[  577.659701][ T7896]  <TASK>
[  577.662675][ T7896]  dump_stack_lvl+0x125/0x1b0
[  577.667410][ T7896]  sysfs_warn_dup+0x7f/0xa0
[  577.672765][ T7896]  sysfs_create_dir_ns+0x237/0x290
[  577.678122][ T7896]  ? sysfs_create_mount_point+0xb0/0xb0
[  577.683893][ T7896]  ? spin_bug+0x1d0/0x1d0
[  577.688376][ T7896]  ? class_dir_child_ns_type+0xd/0x60
[  577.693803][ T7896]  kobject_add_internal+0x2c8/0x960
[  577.699158][ T7896]  kobject_add+0x154/0x220
[  577.703648][ T7896]  ? kset_create_and_add+0x190/0x190
[  577.709079][ T7896]  ? do_raw_spin_unlock+0x173/0x230
[  577.714526][ T7896]  ? kobject_put+0xbe/0x440
[  577.719279][ T7896]  device_add+0x289/0x1a90
[  577.723945][ T7896]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  577.731128][ T7896]  ? __init_waitqueue_head+0xca/0x150
[  577.736670][ T7896]  tty_register_device_attr+0x382/0x7c0
[  577.742377][ T7896]  ? lockdep_init_map_type+0x16d/0x7c0
[  577.747915][ T7896]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  577.753699][ T7896]  ? lockdep_init_map_type+0x16d/0x7c0
[  577.759609][ T7896]  ? __raw_spin_lock_init+0x3a/0x110
[  577.765311][ T7896]  ? tty_port_init+0x156/0x1b0
[  577.771085][ T7896]  gsm_activate_mux+0x170/0x2f0
[  577.776210][ T7896]  gsmld_ioctl+0x876/0x1510
[  577.780978][ T7896]  ? gsm_dlci_config+0xf00/0xf00
[  577.786248][ T7896]  ? __ldsem_down_read_nested+0xe4/0x910
[  577.792293][ T7896]  ? __ldsem_down_read_nested+0xf4/0x910
[  577.798858][ T7896]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  577.804470][ T7896]  ? vt_waitactive+0x360/0x360
[  577.809320][ T7896]  ? gsm_dlci_config+0xf00/0xf00
[  577.814594][ T7896]  tty_ioctl+0x6f8/0x1550
[  577.819074][ T7896]  ? send_break+0x3e0/0x3e0
[  577.823651][ T7896]  ? reacquire_held_locks+0x4b0/0x4b0
[  577.829186][ T7896]  ? rcu_is_watching+0x12/0xb0
[  577.834093][ T7896]  ? do_one_initcall+0xf0/0x620
[  577.839024][ T7896]  ? __fget_files+0x272/0x410
[  577.843767][ T7896]  ? bpf_lsm_file_ioctl+0x9/0x10
[  577.848804][ T7896]  ? send_break+0x3e0/0x3e0
[  577.853367][ T7896]  __x64_sys_ioctl+0x18f/0x210
[  577.858192][ T7896]  do_syscall_64+0x38/0xb0
[  577.862668][ T7896]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  577.868641][ T7896] RIP: 0033:0x7fe65e0fd6e9
[  577.873101][ T7896] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  577.892785][ T7896] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  577.901375][ T7896] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  577.909930][ T7896] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  577.918118][ T7896] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  577.926136][ T7896] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  577.934163][ T7896] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  577.942199][ T7896]  </TASK>
[  577.972472][ T7896] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  578.266375][ T7899] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  578.277558][ T7899] CPU: 0 PID: 7899 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  578.286829][ T7899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  578.297038][ T7899] Call Trace:
[  578.301024][ T7899]  <TASK>
[  578.304085][ T7899]  dump_stack_lvl+0x125/0x1b0
[  578.308811][ T7899]  sysfs_warn_dup+0x7f/0xa0
[  578.313449][ T7899]  sysfs_create_dir_ns+0x237/0x290
[  578.318617][ T7899]  ? sysfs_create_mount_point+0xb0/0xb0
[  578.324282][ T7899]  ? spin_bug+0x1d0/0x1d0
[  578.328647][ T7899]  ? class_dir_child_ns_type+0xd/0x60
[  578.334053][ T7899]  kobject_add_internal+0x2c8/0x960
[  578.339463][ T7899]  kobject_add+0x154/0x220
[  578.344081][ T7899]  ? kset_create_and_add+0x190/0x190
[  578.349389][ T7899]  ? do_raw_spin_unlock+0x173/0x230
[  578.354616][ T7899]  ? kobject_put+0xbe/0x440
[  578.359155][ T7899]  device_add+0x289/0x1a90
[  578.363693][ T7899]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  578.370610][ T7899]  ? __init_waitqueue_head+0xca/0x150
[  578.376038][ T7899]  tty_register_device_attr+0x382/0x7c0
[  578.381627][ T7899]  ? lockdep_init_map_type+0x16d/0x7c0
[  578.387464][ T7899]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  578.393035][ T7899]  ? lockdep_init_map_type+0x16d/0x7c0
[  578.398525][ T7899]  ? __raw_spin_lock_init+0x3a/0x110
[  578.403939][ T7899]  ? tty_port_init+0x156/0x1b0
[  578.408734][ T7899]  gsm_activate_mux+0x170/0x2f0
[  578.413620][ T7899]  gsmld_ioctl+0x876/0x1510
[  578.418164][ T7899]  ? gsm_dlci_config+0xf00/0xf00
[  578.423145][ T7899]  ? __ldsem_down_read_nested+0xe4/0x910
[  578.428811][ T7899]  ? __ldsem_down_read_nested+0xf4/0x910
[  578.434491][ T7899]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  578.439900][ T7899]  ? vt_waitactive+0x360/0x360
[  578.444731][ T7899]  ? gsm_dlci_config+0xf00/0xf00
[  578.449719][ T7899]  tty_ioctl+0x6f8/0x1550
[  578.454089][ T7899]  ? send_break+0x3e0/0x3e0
[  578.458631][ T7899]  ? reacquire_held_locks+0x4b0/0x4b0
[  578.464120][ T7899]  ? rcu_is_watching+0x12/0xb0
[  578.469001][ T7899]  ? do_one_initcall+0xf0/0x620
[  578.473973][ T7899]  ? __fget_files+0x272/0x410
[  578.478890][ T7899]  ? bpf_lsm_file_ioctl+0x9/0x10
[  578.483878][ T7899]  ? send_break+0x3e0/0x3e0
[  578.488505][ T7899]  __x64_sys_ioctl+0x18f/0x210
[  578.493304][ T7899]  do_syscall_64+0x38/0xb0
[  578.497743][ T7899]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  578.503673][ T7899] RIP: 0033:0x7fe65e0fd6e9
[  578.508102][ T7899] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  578.528082][ T7899] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  578.536853][ T7899] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  578.544958][ T7899] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  578.553141][ T7899] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  578.561475][ T7899] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  578.569546][ T7899] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  578.577637][ T7899]  </TASK>
[  578.618639][ T7900] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  578.629928][ T7899] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  578.645958][ T7900] CPU: 1 PID: 7900 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  578.655221][ T7900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  578.665695][ T7900] Call Trace:
[  578.669009][ T7900]  <TASK>
[  578.671975][ T7900]  dump_stack_lvl+0x125/0x1b0
[  578.676884][ T7900]  sysfs_warn_dup+0x7f/0xa0
[  578.681451][ T7900]  sysfs_create_dir_ns+0x237/0x290
[  578.686617][ T7900]  ? sysfs_create_mount_point+0xb0/0xb0
[  578.692313][ T7900]  ? spin_bug+0x1d0/0x1d0
[  578.696891][ T7900]  ? class_dir_child_ns_type+0xd/0x60
[  578.702504][ T7900]  kobject_add_internal+0x2c8/0x960
[  578.707767][ T7900]  kobject_add+0x154/0x220
[  578.712242][ T7900]  ? kset_create_and_add+0x190/0x190
[  578.717595][ T7900]  ? do_raw_spin_unlock+0x173/0x230
[  578.722858][ T7900]  ? kobject_put+0xbe/0x440
[  578.727855][ T7900]  device_add+0x289/0x1a90
[  578.732407][ T7900]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  578.739488][ T7900]  ? __init_waitqueue_head+0xca/0x150
[  578.744899][ T7900]  tty_register_device_attr+0x382/0x7c0
[  578.750575][ T7900]  ? lockdep_init_map_type+0x16d/0x7c0
[  578.756166][ T7900]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  578.762027][ T7900]  ? lockdep_init_map_type+0x16d/0x7c0
[  578.767717][ T7900]  ? __raw_spin_lock_init+0x3a/0x110
[  578.773041][ T7900]  ? tty_port_init+0x156/0x1b0
[  578.777917][ T7900]  gsm_activate_mux+0x170/0x2f0
[  578.782801][ T7900]  gsmld_ioctl+0x876/0x1510
[  578.787379][ T7900]  ? gsm_dlci_config+0xf00/0xf00
[  578.792386][ T7900]  ? __ldsem_down_read_nested+0xe4/0x910
[  578.798038][ T7900]  ? __ldsem_down_read_nested+0xf4/0x910
[  578.803699][ T7900]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  578.809191][ T7900]  ? vt_waitactive+0x360/0x360
[  578.814026][ T7900]  ? gsm_dlci_config+0xf00/0xf00
[  578.819086][ T7900]  tty_ioctl+0x6f8/0x1550
[  578.823452][ T7900]  ? send_break+0x3e0/0x3e0
[  578.827982][ T7900]  ? reacquire_held_locks+0x4b0/0x4b0
[  578.833655][ T7900]  ? sigprocmask+0xf1/0x330
[  578.838277][ T7900]  ? do_sigtimedwait+0x5c0/0x5c0
[  578.843520][ T7900]  ? __fget_files+0x272/0x410
[  578.848252][ T7900]  ? bpf_lsm_file_ioctl+0x9/0x10
[  578.853503][ T7900]  ? send_break+0x3e0/0x3e0
[  578.858032][ T7900]  __x64_sys_ioctl+0x18f/0x210
[  578.862830][ T7900]  do_syscall_64+0x38/0xb0
[  578.867366][ T7900]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  578.873463][ T7900] RIP: 0033:0x7fe65e0fd6e9
[  578.877911][ T7900] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  578.897748][ T7900] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  578.906200][ T7900] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  578.914252][ T7900] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  578.922244][ T7900] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  578.930670][ T7900] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  578.939003][ T7900] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  578.947008][ T7900]  </TASK>
[  578.981860][ T7900] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  579.503124][ T7903] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  579.524471][ T7903] CPU: 0 PID: 7903 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  579.533839][ T7903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  579.544114][ T7903] Call Trace:
[  579.547432][ T7903]  <TASK>
[  579.550405][ T7903]  dump_stack_lvl+0x125/0x1b0
[  579.555141][ T7903]  sysfs_warn_dup+0x7f/0xa0
[  579.559711][ T7903]  sysfs_create_dir_ns+0x237/0x290
[  579.565061][ T7903]  ? sysfs_create_mount_point+0xb0/0xb0
[  579.570895][ T7903]  ? spin_bug+0x1d0/0x1d0
[  579.575296][ T7903]  ? class_dir_child_ns_type+0xd/0x60
[  579.580911][ T7903]  kobject_add_internal+0x2c8/0x960
[  579.586180][ T7903]  kobject_add+0x154/0x220
[  579.591008][ T7903]  ? kset_create_and_add+0x190/0x190
[  579.596627][ T7903]  ? do_raw_spin_unlock+0x173/0x230
[  579.601986][ T7903]  ? kobject_put+0xbe/0x440
[  579.606736][ T7903]  device_add+0x289/0x1a90
[  579.611228][ T7903]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  579.618347][ T7903]  ? __init_waitqueue_head+0xca/0x150
[  579.624338][ T7903]  tty_register_device_attr+0x382/0x7c0
[  579.630039][ T7903]  ? lockdep_init_map_type+0x16d/0x7c0
[  579.635562][ T7903]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  579.641173][ T7903]  ? lockdep_init_map_type+0x16d/0x7c0
[  579.647007][ T7903]  ? __raw_spin_lock_init+0x3a/0x110
[  579.652619][ T7903]  ? tty_port_init+0x156/0x1b0
[  579.657631][ T7903]  gsm_activate_mux+0x170/0x2f0
[  579.662559][ T7903]  gsmld_ioctl+0x876/0x1510
[  579.667223][ T7903]  ? gsm_dlci_config+0xf00/0xf00
[  579.672407][ T7903]  ? __ldsem_down_read_nested+0xe4/0x910
[  579.678097][ T7903]  ? __ldsem_down_read_nested+0xf4/0x910
[  579.684057][ T7903]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  579.689513][ T7903]  ? vt_waitactive+0x360/0x360
[  579.694431][ T7903]  ? gsm_dlci_config+0xf00/0xf00
[  579.699438][ T7903]  tty_ioctl+0x6f8/0x1550
[  579.703915][ T7903]  ? send_break+0x3e0/0x3e0
[  579.708589][ T7903]  ? reacquire_held_locks+0x4b0/0x4b0
[  579.714221][ T7903]  ? rcu_is_watching+0x12/0xb0
[  579.719054][ T7903]  ? __fget_files+0x272/0x410
[  579.723801][ T7903]  ? bpf_lsm_file_ioctl+0x9/0x10
[  579.728793][ T7903]  ? send_break+0x3e0/0x3e0
[  579.733527][ T7903]  __x64_sys_ioctl+0x18f/0x210
[  579.738452][ T7903]  do_syscall_64+0x38/0xb0
[  579.743007][ T7903]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  579.749338][ T7903] RIP: 0033:0x7fe65e0fd6e9
[  579.753799][ T7903] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  579.773767][ T7903] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  579.782255][ T7903] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  579.790460][ T7903] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  579.798570][ T7903] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  579.806587][ T7903] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  579.815036][ T7903] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  579.823072][ T7903]  </TASK>
[  579.883612][ T7903] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  580.176957][ T7907] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  580.196956][ T7907] CPU: 0 PID: 7907 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  580.206328][ T7907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  580.216505][ T7907] Call Trace:
[  580.219917][ T7907]  <TASK>
[  580.222921][ T7907]  dump_stack_lvl+0x125/0x1b0
[  580.227663][ T7907]  sysfs_warn_dup+0x7f/0xa0
[  580.232225][ T7907]  sysfs_create_dir_ns+0x237/0x290
[  580.237396][ T7907]  ? sysfs_create_mount_point+0xb0/0xb0
[  580.242997][ T7907]  ? spin_bug+0x1d0/0x1d0
[  580.247392][ T7907]  ? class_dir_child_ns_type+0xd/0x60
[  580.252843][ T7907]  kobject_add_internal+0x2c8/0x960
[  580.258110][ T7907]  kobject_add+0x154/0x220
[  580.262579][ T7907]  ? kset_create_and_add+0x190/0x190
[  580.268155][ T7907]  ? do_raw_spin_unlock+0x173/0x230
[  580.273489][ T7907]  ? kobject_put+0xbe/0x440
[  580.278035][ T7907]  device_add+0x289/0x1a90
[  580.282514][ T7907]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  580.289486][ T7907]  ? __init_waitqueue_head+0xca/0x150
[  580.295149][ T7907]  tty_register_device_attr+0x382/0x7c0
[  580.300813][ T7907]  ? lockdep_init_map_type+0x16d/0x7c0
[  580.306479][ T7907]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  580.312245][ T7907]  ? lockdep_init_map_type+0x16d/0x7c0
[  580.317737][ T7907]  ? __raw_spin_lock_init+0x3a/0x110
[  580.323058][ T7907]  ? tty_port_init+0x156/0x1b0
[  580.327848][ T7907]  gsm_activate_mux+0x170/0x2f0
[  580.332732][ T7907]  gsmld_ioctl+0x876/0x1510
[  580.337272][ T7907]  ? gsm_dlci_config+0xf00/0xf00
[  580.342239][ T7907]  ? __ldsem_down_read_nested+0xe4/0x910
[  580.347979][ T7907]  ? __ldsem_down_read_nested+0xf4/0x910
[  580.353669][ T7907]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  580.359192][ T7907]  ? vt_waitactive+0x360/0x360
[  580.364086][ T7907]  ? gsm_dlci_config+0xf00/0xf00
[  580.369052][ T7907]  tty_ioctl+0x6f8/0x1550
[  580.373429][ T7907]  ? send_break+0x3e0/0x3e0
[  580.378074][ T7907]  ? reacquire_held_locks+0x4b0/0x4b0
[  580.383648][ T7907]  ? rcu_is_watching+0x12/0xb0
[  580.388432][ T7907]  ? do_one_initcall+0xf0/0x620
[  580.393410][ T7907]  ? __fget_files+0x272/0x410
[  580.398395][ T7907]  ? bpf_lsm_file_ioctl+0x9/0x10
[  580.403625][ T7907]  ? send_break+0x3e0/0x3e0
[  580.408243][ T7907]  __x64_sys_ioctl+0x18f/0x210
[  580.413230][ T7907]  do_syscall_64+0x38/0xb0
[  580.417852][ T7907]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  580.423853][ T7907] RIP: 0033:0x7fe65e0fd6e9
[  580.428287][ T7907] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  580.448534][ T7907] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  580.457063][ T7907] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  580.465045][ T7907] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  580.473204][ T7907] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  580.481361][ T7907] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  580.489352][ T7907] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  580.497439][ T7907]  </TASK>
[  580.530957][ T7907] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  580.537378][ T7908] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  580.569619][ T7908] CPU: 1 PID: 7908 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  580.579541][ T7908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  580.589835][ T7908] Call Trace:
[  580.593281][ T7908]  <TASK>
[  580.596246][ T7908]  dump_stack_lvl+0x125/0x1b0
[  580.601249][ T7908]  sysfs_warn_dup+0x7f/0xa0
[  580.606165][ T7908]  sysfs_create_dir_ns+0x237/0x290
[  580.611520][ T7908]  ? sysfs_create_mount_point+0xb0/0xb0
[  580.617137][ T7908]  ? spin_bug+0x1d0/0x1d0
[  580.621621][ T7908]  ? class_dir_child_ns_type+0xd/0x60
[  580.627061][ T7908]  kobject_add_internal+0x2c8/0x960
[  580.632416][ T7908]  kobject_add+0x154/0x220
[  580.636871][ T7908]  ? kset_create_and_add+0x190/0x190
[  580.642241][ T7908]  ? do_raw_spin_unlock+0x173/0x230
[  580.648026][ T7908]  ? kobject_put+0xbe/0x440
[  580.652579][ T7908]  device_add+0x289/0x1a90
[  580.657039][ T7908]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  580.663923][ T7908]  ? __init_waitqueue_head+0xca/0x150
[  580.669729][ T7908]  tty_register_device_attr+0x382/0x7c0
[  580.675511][ T7908]  ? lockdep_init_map_type+0x16d/0x7c0
[  580.681352][ T7908]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  580.687006][ T7908]  ? lockdep_init_map_type+0x16d/0x7c0
[  580.692502][ T7908]  ? __raw_spin_lock_init+0x3a/0x110
[  580.697909][ T7908]  ? tty_port_init+0x156/0x1b0
[  580.702811][ T7908]  gsm_activate_mux+0x170/0x2f0
[  580.707733][ T7908]  gsmld_ioctl+0x876/0x1510
[  580.712289][ T7908]  ? gsm_dlci_config+0xf00/0xf00
[  580.717259][ T7908]  ? __ldsem_down_read_nested+0xe4/0x910
[  580.722916][ T7908]  ? __ldsem_down_read_nested+0xf4/0x910
[  580.728583][ T7908]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  580.734003][ T7908]  ? vt_waitactive+0x360/0x360
[  580.738852][ T7908]  ? gsm_dlci_config+0xf00/0xf00
[  580.744080][ T7908]  tty_ioctl+0x6f8/0x1550
[  580.748440][ T7908]  ? send_break+0x3e0/0x3e0
[  580.753070][ T7908]  ? reacquire_held_locks+0x4b0/0x4b0
[  580.758467][ T7908]  ? sigprocmask+0xf1/0x330
[  580.763001][ T7908]  ? do_sigtimedwait+0x5c0/0x5c0
[  580.768023][ T7908]  ? __fget_files+0x272/0x410
[  580.772769][ T7908]  ? bpf_lsm_file_ioctl+0x9/0x10
[  580.777750][ T7908]  ? send_break+0x3e0/0x3e0
[  580.782423][ T7908]  __x64_sys_ioctl+0x18f/0x210
[  580.787359][ T7908]  do_syscall_64+0x38/0xb0
[  580.791817][ T7908]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  580.797741][ T7908] RIP: 0033:0x7fe65e0fd6e9
[  580.802259][ T7908] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  580.821911][ T7908] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  580.830437][ T7908] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  580.838600][ T7908] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  580.846586][ T7908] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  580.854576][ T7908] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  580.862648][ T7908] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  580.870734][ T7908]  </TASK>
[  580.878968][ T7908] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  581.232641][ T7911] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  581.246058][ T7911] CPU: 1 PID: 7911 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  581.255320][ T7911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  581.268483][ T7911] Call Trace:
[  581.271889][ T7911]  <TASK>
[  581.274856][ T7911]  dump_stack_lvl+0x125/0x1b0
[  581.279677][ T7911]  sysfs_warn_dup+0x7f/0xa0
[  581.284256][ T7911]  sysfs_create_dir_ns+0x237/0x290
[  581.289424][ T7911]  ? sysfs_create_mount_point+0xb0/0xb0
[  581.295025][ T7911]  ? spin_bug+0x1d0/0x1d0
[  581.299521][ T7911]  ? class_dir_child_ns_type+0xd/0x60
[  581.304995][ T7911]  kobject_add_internal+0x2c8/0x960
[  581.310437][ T7911]  kobject_add+0x154/0x220
[  581.314914][ T7911]  ? kset_create_and_add+0x190/0x190
[  581.320260][ T7911]  ? do_raw_spin_unlock+0x173/0x230
[  581.325525][ T7911]  ? kobject_put+0xbe/0x440
[  581.330109][ T7911]  device_add+0x289/0x1a90
[  581.334632][ T7911]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  581.341636][ T7911]  ? __init_waitqueue_head+0xca/0x150
[  581.347165][ T7911]  tty_register_device_attr+0x382/0x7c0
[  581.352781][ T7911]  ? lockdep_init_map_type+0x16d/0x7c0
[  581.358312][ T7911]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  581.364012][ T7911]  ? lockdep_init_map_type+0x16d/0x7c0
[  581.369770][ T7911]  ? __raw_spin_lock_init+0x3a/0x110
[  581.375139][ T7911]  ? tty_port_init+0x156/0x1b0
[  581.379978][ T7911]  gsm_activate_mux+0x170/0x2f0
[  581.384905][ T7911]  gsmld_ioctl+0x876/0x1510
[  581.389486][ T7911]  ? gsm_dlci_config+0xf00/0xf00
[  581.394592][ T7911]  ? __ldsem_down_read_nested+0xe4/0x910
[  581.400282][ T7911]  ? __ldsem_down_read_nested+0xf4/0x910
[  581.405984][ T7911]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  581.411432][ T7911]  ? vt_waitactive+0x360/0x360
[  581.416270][ T7911]  ? gsm_dlci_config+0xf00/0xf00
[  581.421279][ T7911]  tty_ioctl+0x6f8/0x1550
[  581.425677][ T7911]  ? send_break+0x3e0/0x3e0
[  581.430599][ T7911]  ? reacquire_held_locks+0x4b0/0x4b0
[  581.436036][ T7911]  ? rcu_is_watching+0x12/0xb0
[  581.440858][ T7911]  ? do_one_initcall+0xf0/0x620
[  581.445783][ T7911]  ? __fget_files+0x272/0x410
[  581.450537][ T7911]  ? bpf_lsm_file_ioctl+0x9/0x10
[  581.455543][ T7911]  ? send_break+0x3e0/0x3e0
[  581.460197][ T7911]  __x64_sys_ioctl+0x18f/0x210
[  581.465035][ T7911]  do_syscall_64+0x38/0xb0
[  581.469529][ T7911]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  581.475526][ T7911] RIP: 0033:0x7fe65e0fd6e9
[  581.480258][ T7911] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  581.500437][ T7911] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  581.508904][ T7911] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  581.517359][ T7911] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  581.525553][ T7911] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  581.534097][ T7911] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  581.542382][ T7911] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  581.550606][ T7911]  </TASK>
[  581.574421][ T7911] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  581.854219][ T7914] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  581.862792][ T7914] CPU: 1 PID: 7914 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  581.872119][ T7914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  581.882213][ T7914] Call Trace:
[  581.885618][ T7914]  <TASK>
[  581.888673][ T7914]  dump_stack_lvl+0x125/0x1b0
[  581.893587][ T7914]  sysfs_warn_dup+0x7f/0xa0
[  581.898320][ T7914]  sysfs_create_dir_ns+0x237/0x290
[  581.903477][ T7914]  ? sysfs_create_mount_point+0xb0/0xb0
[  581.909147][ T7914]  ? spin_bug+0x1d0/0x1d0
[  581.914123][ T7914]  ? class_dir_child_ns_type+0xd/0x60
[  581.919743][ T7914]  kobject_add_internal+0x2c8/0x960
[  581.925004][ T7914]  kobject_add+0x154/0x220
[  581.929498][ T7914]  ? kset_create_and_add+0x190/0x190
[  581.934847][ T7914]  ? do_raw_spin_unlock+0x173/0x230
[  581.940110][ T7914]  ? kobject_put+0xbe/0x440
[  581.944766][ T7914]  device_add+0x289/0x1a90
[  581.949248][ T7914]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  581.956428][ T7914]  ? __init_waitqueue_head+0xca/0x150
[  581.961867][ T7914]  tty_register_device_attr+0x382/0x7c0
[  581.967494][ T7914]  ? lockdep_init_map_type+0x16d/0x7c0
[  581.973116][ T7914]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  581.978725][ T7914]  ? lockdep_init_map_type+0x16d/0x7c0
[  581.984258][ T7914]  ? __raw_spin_lock_init+0x3a/0x110
[  581.989611][ T7914]  ? tty_port_init+0x156/0x1b0
[  581.994607][ T7914]  gsm_activate_mux+0x170/0x2f0
[  581.999913][ T7914]  gsmld_ioctl+0x876/0x1510
[  582.004489][ T7914]  ? gsm_dlci_config+0xf00/0xf00
[  582.009592][ T7914]  ? __ldsem_down_read_nested+0xe4/0x910
[  582.015284][ T7914]  ? __ldsem_down_read_nested+0xf4/0x910
[  582.021157][ T7914]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  582.026690][ T7914]  ? vt_waitactive+0x360/0x360
[  582.031701][ T7914]  ? gsm_dlci_config+0xf00/0xf00
[  582.036706][ T7914]  tty_ioctl+0x6f8/0x1550
[  582.041109][ T7914]  ? send_break+0x3e0/0x3e0
[  582.045682][ T7914]  ? reacquire_held_locks+0x4b0/0x4b0
[  582.051121][ T7914]  ? rcu_is_watching+0x12/0xb0
[  582.056025][ T7914]  ? do_one_initcall+0xf0/0x620
[  582.060953][ T7914]  ? __fget_files+0x272/0x410
[  582.065746][ T7914]  ? bpf_lsm_file_ioctl+0x9/0x10
[  582.070832][ T7914]  ? send_break+0x3e0/0x3e0
[  582.075403][ T7914]  __x64_sys_ioctl+0x18f/0x210
[  582.080251][ T7914]  do_syscall_64+0x38/0xb0
[  582.084806][ T7914]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  582.090775][ T7914] RIP: 0033:0x7fe65e0fd6e9
[  582.095235][ T7914] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  582.115069][ T7914] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  582.123706][ T7914] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  582.131731][ T7914] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  582.139752][ T7914] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  582.147947][ T7914] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  582.156482][ T7914] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  582.164614][ T7914]  </TASK>
[  582.185894][ T7914] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  582.466623][ T7917] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  582.478436][ T7917] CPU: 1 PID: 7917 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  582.487715][ T7917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  582.497994][ T7917] Call Trace:
[  582.501309][ T7917]  <TASK>
[  582.504273][ T7917]  dump_stack_lvl+0x125/0x1b0
[  582.509008][ T7917]  sysfs_warn_dup+0x7f/0xa0
[  582.513569][ T7917]  sysfs_create_dir_ns+0x237/0x290
[  582.518821][ T7917]  ? sysfs_create_mount_point+0xb0/0xb0
[  582.524528][ T7917]  ? spin_bug+0x1d0/0x1d0
[  582.530414][ T7917]  ? class_dir_child_ns_type+0xd/0x60
[  582.535937][ T7917]  kobject_add_internal+0x2c8/0x960
[  582.541209][ T7917]  kobject_add+0x154/0x220
[  582.545693][ T7917]  ? kset_create_and_add+0x190/0x190
[  582.551127][ T7917]  ? do_raw_spin_unlock+0x173/0x230
[  582.556400][ T7917]  ? kobject_put+0xbe/0x440
[  582.560963][ T7917]  device_add+0x289/0x1a90
[  582.565508][ T7917]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  582.572958][ T7917]  ? __init_waitqueue_head+0xca/0x150
[  582.578399][ T7917]  tty_register_device_attr+0x382/0x7c0
[  582.584110][ T7917]  ? lockdep_init_map_type+0x16d/0x7c0
[  582.589639][ T7917]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  582.595299][ T7917]  ? lockdep_init_map_type+0x16d/0x7c0
[  582.600918][ T7917]  ? __raw_spin_lock_init+0x3a/0x110
[  582.606278][ T7917]  ? tty_port_init+0x156/0x1b0
[  582.611100][ T7917]  gsm_activate_mux+0x170/0x2f0
[  582.616203][ T7917]  gsmld_ioctl+0x876/0x1510
[  582.620867][ T7917]  ? gsm_dlci_config+0xf00/0xf00
[  582.625882][ T7917]  ? __ldsem_down_read_nested+0xe4/0x910
[  582.631833][ T7917]  ? __ldsem_down_read_nested+0xf4/0x910
[  582.637626][ T7917]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  582.643420][ T7917]  ? vt_waitactive+0x360/0x360
[  582.648336][ T7917]  ? gsm_dlci_config+0xf00/0xf00
[  582.653337][ T7917]  tty_ioctl+0x6f8/0x1550
[  582.657828][ T7917]  ? send_break+0x3e0/0x3e0
[  582.662396][ T7917]  ? reacquire_held_locks+0x4b0/0x4b0
[  582.667913][ T7917]  ? rcu_is_watching+0x12/0xb0
[  582.672732][ T7917]  ? do_one_initcall+0xf0/0x620
[  582.677826][ T7917]  ? __fget_files+0x272/0x410
[  582.682578][ T7917]  ? bpf_lsm_file_ioctl+0x9/0x10
[  582.687583][ T7917]  ? send_break+0x3e0/0x3e0
[  582.692160][ T7917]  __x64_sys_ioctl+0x18f/0x210
[  582.696994][ T7917]  do_syscall_64+0x38/0xb0
[  582.701462][ T7917]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  582.707419][ T7917] RIP: 0033:0x7fe65e0fd6e9
[  582.711883][ T7917] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  582.731736][ T7917] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  582.740283][ T7917] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  582.748385][ T7917] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  582.756397][ T7917] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  582.764588][ T7917] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  582.772776][ T7917] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  582.780912][ T7917]  </TASK>
[  582.790823][ T7917] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  583.095991][ T7920] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  583.126541][ T7920] CPU: 1 PID: 7920 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  583.135906][ T7920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  583.146094][ T7920] Call Trace:
[  583.149583][ T7920]  <TASK>
[  583.152720][ T7920]  dump_stack_lvl+0x125/0x1b0
[  583.157453][ T7920]  sysfs_warn_dup+0x7f/0xa0
[  583.162109][ T7920]  sysfs_create_dir_ns+0x237/0x290
[  583.169014][ T7920]  ? sysfs_create_mount_point+0xb0/0xb0
[  583.174624][ T7920]  ? spin_bug+0x1d0/0x1d0
[  583.179122][ T7920]  ? class_dir_child_ns_type+0xd/0x60
[  583.184736][ T7920]  kobject_add_internal+0x2c8/0x960
[  583.190111][ T7920]  kobject_add+0x154/0x220
[  583.194596][ T7920]  ? kset_create_and_add+0x190/0x190
[  583.200777][ T7920]  ? do_raw_spin_unlock+0x173/0x230
[  583.206053][ T7920]  ? kobject_put+0xbe/0x440
[  583.210624][ T7920]  device_add+0x289/0x1a90
[  583.215110][ T7920]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  583.222043][ T7920]  ? __init_waitqueue_head+0xca/0x150
[  583.227486][ T7920]  tty_register_device_attr+0x382/0x7c0
[  583.233097][ T7920]  ? lockdep_init_map_type+0x16d/0x7c0
[  583.238707][ T7920]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  583.244316][ T7920]  ? lockdep_init_map_type+0x16d/0x7c0
[  583.249839][ T7920]  ? __raw_spin_lock_init+0x3a/0x110
[  583.255190][ T7920]  ? tty_port_init+0x156/0x1b0
[  583.260009][ T7920]  gsm_activate_mux+0x170/0x2f0
[  583.264930][ T7920]  gsmld_ioctl+0x876/0x1510
[  583.269518][ T7920]  ? gsm_dlci_config+0xf00/0xf00
[  583.274610][ T7920]  ? __ldsem_down_read_nested+0xe4/0x910
[  583.280330][ T7920]  ? __ldsem_down_read_nested+0xf4/0x910
[  583.286036][ T7920]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  583.291484][ T7920]  ? vt_waitactive+0x360/0x360
[  583.296539][ T7920]  ? gsm_dlci_config+0xf00/0xf00
[  583.301549][ T7920]  tty_ioctl+0x6f8/0x1550
[  583.306118][ T7920]  ? send_break+0x3e0/0x3e0
[  583.310780][ T7920]  ? reacquire_held_locks+0x4b0/0x4b0
[  583.316205][ T7920]  ? rcu_is_watching+0x12/0xb0
[  583.321104][ T7920]  ? do_one_initcall+0xf0/0x620
[  583.326020][ T7920]  ? __fget_files+0x272/0x410
[  583.331192][ T7920]  ? bpf_lsm_file_ioctl+0x9/0x10
[  583.336358][ T7920]  ? send_break+0x3e0/0x3e0
[  583.340929][ T7920]  __x64_sys_ioctl+0x18f/0x210
[  583.345759][ T7920]  do_syscall_64+0x38/0xb0
[  583.350321][ T7920]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  583.356267][ T7920] RIP: 0033:0x7fe65e0fd6e9
[  583.360740][ T7920] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  583.380492][ T7920] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  583.388960][ T7920] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  583.397001][ T7920] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  583.405144][ T7920] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  583.413249][ T7920] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  583.421358][ T7920] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  583.429583][ T7920]  </TASK>
[  583.436777][ T7920] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  583.725293][ T7923] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  583.739037][ T7923] CPU: 1 PID: 7923 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  583.748740][ T7923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  583.758960][ T7923] Call Trace:
[  583.762395][ T7923]  <TASK>
[  583.765377][ T7923]  dump_stack_lvl+0x125/0x1b0
[  583.770115][ T7923]  sysfs_warn_dup+0x7f/0xa0
[  583.774678][ T7923]  sysfs_create_dir_ns+0x237/0x290
[  583.779850][ T7923]  ? sysfs_create_mount_point+0xb0/0xb0
[  583.785722][ T7923]  ? spin_bug+0x1d0/0x1d0
[  583.790117][ T7923]  ? class_dir_child_ns_type+0xd/0x60
[  583.795607][ T7923]  kobject_add_internal+0x2c8/0x960
[  583.800889][ T7923]  kobject_add+0x154/0x220
[  583.805367][ T7923]  ? kset_create_and_add+0x190/0x190
[  583.810974][ T7923]  ? do_raw_spin_unlock+0x173/0x230
[  583.816324][ T7923]  ? kobject_put+0xbe/0x440
[  583.820984][ T7923]  device_add+0x289/0x1a90
[  583.825470][ T7923]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  583.832390][ T7923]  ? __init_waitqueue_head+0xca/0x150
[  583.837858][ T7923]  tty_register_device_attr+0x382/0x7c0
[  583.843560][ T7923]  ? lockdep_init_map_type+0x16d/0x7c0
[  583.849087][ T7923]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  583.854694][ T7923]  ? lockdep_init_map_type+0x16d/0x7c0
[  583.860221][ T7923]  ? __raw_spin_lock_init+0x3a/0x110
[  583.865573][ T7923]  ? tty_port_init+0x156/0x1b0
[  583.870407][ T7923]  gsm_activate_mux+0x170/0x2f0
[  583.875340][ T7923]  gsmld_ioctl+0x876/0x1510
[  583.879933][ T7923]  ? gsm_dlci_config+0xf00/0xf00
[  583.884939][ T7923]  ? __ldsem_down_read_nested+0xe4/0x910
[  583.890805][ T7923]  ? __ldsem_down_read_nested+0xf4/0x910
[  583.896594][ T7923]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  583.902044][ T7923]  ? vt_waitactive+0x360/0x360
[  583.906878][ T7923]  ? gsm_dlci_config+0xf00/0xf00
[  583.911889][ T7923]  tty_ioctl+0x6f8/0x1550
[  583.916721][ T7923]  ? send_break+0x3e0/0x3e0
[  583.921291][ T7923]  ? reacquire_held_locks+0x4b0/0x4b0
[  583.926766][ T7923]  ? rcu_is_watching+0x12/0xb0
[  583.931853][ T7923]  ? do_one_initcall+0xf0/0x620
[  583.936880][ T7923]  ? __fget_files+0x272/0x410
[  583.942067][ T7923]  ? bpf_lsm_file_ioctl+0x9/0x10
[  583.947062][ T7923]  ? send_break+0x3e0/0x3e0
[  583.951630][ T7923]  __x64_sys_ioctl+0x18f/0x210
[  583.956586][ T7923]  do_syscall_64+0x38/0xb0
[  583.961138][ T7923]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  583.967354][ T7923] RIP: 0033:0x7fe65e0fd6e9
[  583.971921][ T7923] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  583.992098][ T7923] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  584.000566][ T7923] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  584.008922][ T7923] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  584.017113][ T7923] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  584.025130][ T7923] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  584.033302][ T7923] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  584.041622][ T7923]  </TASK>
[  584.056526][ T7923] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  584.336313][ T7926] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  584.349338][ T7926] CPU: 0 PID: 7926 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  584.358610][ T7926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  584.368805][ T7926] Call Trace:
[  584.372111][ T7926]  <TASK>
[  584.375245][ T7926]  dump_stack_lvl+0x125/0x1b0
[  584.380335][ T7926]  sysfs_warn_dup+0x7f/0xa0
[  584.384902][ T7926]  sysfs_create_dir_ns+0x237/0x290
[  584.390156][ T7926]  ? sysfs_create_mount_point+0xb0/0xb0
[  584.395756][ T7926]  ? spin_bug+0x1d0/0x1d0
[  584.400142][ T7926]  ? class_dir_child_ns_type+0xd/0x60
[  584.405540][ T7926]  kobject_add_internal+0x2c8/0x960
[  584.410867][ T7926]  kobject_add+0x154/0x220
[  584.415407][ T7926]  ? kset_create_and_add+0x190/0x190
[  584.421761][ T7926]  ? do_raw_spin_unlock+0x173/0x230
[  584.427079][ T7926]  ? kobject_put+0xbe/0x440
[  584.431786][ T7926]  device_add+0x289/0x1a90
[  584.436321][ T7926]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  584.443202][ T7926]  ? __init_waitqueue_head+0xca/0x150
[  584.448780][ T7926]  tty_register_device_attr+0x382/0x7c0
[  584.454484][ T7926]  ? lockdep_init_map_type+0x16d/0x7c0
[  584.460080][ T7926]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  584.465772][ T7926]  ? lockdep_init_map_type+0x16d/0x7c0
[  584.471307][ T7926]  ? __raw_spin_lock_init+0x3a/0x110
[  584.476639][ T7926]  ? tty_port_init+0x156/0x1b0
[  584.481555][ T7926]  gsm_activate_mux+0x170/0x2f0
[  584.486476][ T7926]  gsmld_ioctl+0x876/0x1510
[  584.491201][ T7926]  ? gsm_dlci_config+0xf00/0xf00
[  584.496273][ T7926]  ? __ldsem_down_read_nested+0xe4/0x910
[  584.502059][ T7926]  ? __ldsem_down_read_nested+0xf4/0x910
[  584.507808][ T7926]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  584.513249][ T7926]  ? vt_waitactive+0x360/0x360
[  584.518066][ T7926]  ? gsm_dlci_config+0xf00/0xf00
[  584.523057][ T7926]  tty_ioctl+0x6f8/0x1550
[  584.527420][ T7926]  ? send_break+0x3e0/0x3e0
[  584.531959][ T7926]  ? reacquire_held_locks+0x4b0/0x4b0
[  584.537842][ T7926]  ? rcu_is_watching+0x12/0xb0
[  584.542684][ T7926]  ? do_one_initcall+0xf0/0x620
[  584.547589][ T7926]  ? __fget_files+0x272/0x410
[  584.552325][ T7926]  ? bpf_lsm_file_ioctl+0x9/0x10
[  584.557295][ T7926]  ? send_break+0x3e0/0x3e0
[  584.561829][ T7926]  __x64_sys_ioctl+0x18f/0x210
[  584.566634][ T7926]  do_syscall_64+0x38/0xb0
[  584.571158][ T7926]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  584.577426][ T7926] RIP: 0033:0x7fe65e0fd6e9
[  584.581856][ T7926] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  584.601861][ T7926] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  584.610300][ T7926] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  584.618377][ T7926] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  584.626544][ T7926] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  584.634615][ T7926] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  584.642710][ T7926] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  584.650812][ T7926]  </TASK>
[  584.658866][ T7927] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  584.668214][ T7927] CPU: 0 PID: 7927 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  584.677721][ T7927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  584.688193][ T7927] Call Trace:
[  584.691505][ T7927]  <TASK>
[  584.694083][ T7926] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  584.694443][ T7927]  dump_stack_lvl+0x125/0x1b0
[  584.713238][ T7927]  sysfs_warn_dup+0x7f/0xa0
[  584.717818][ T7927]  sysfs_create_dir_ns+0x237/0x290
[  584.722984][ T7927]  ? sysfs_create_mount_point+0xb0/0xb0
[  584.728737][ T7927]  ? spin_bug+0x1d0/0x1d0
[  584.733541][ T7927]  ? class_dir_child_ns_type+0xd/0x60
[  584.739199][ T7927]  kobject_add_internal+0x2c8/0x960
[  584.744430][ T7927]  kobject_add+0x154/0x220
[  584.748867][ T7927]  ? kset_create_and_add+0x190/0x190
[  584.754203][ T7927]  ? do_raw_spin_unlock+0x173/0x230
[  584.759447][ T7927]  ? kobject_put+0xbe/0x440
[  584.764080][ T7927]  device_add+0x289/0x1a90
[  584.768715][ T7927]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  584.776213][ T7927]  ? __init_waitqueue_head+0xca/0x150
[  584.781710][ T7927]  tty_register_device_attr+0x382/0x7c0
[  584.787463][ T7927]  ? lockdep_init_map_type+0x16d/0x7c0
[  584.793038][ T7927]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  584.798609][ T7927]  ? lockdep_init_map_type+0x16d/0x7c0
[  584.804190][ T7927]  ? __raw_spin_lock_init+0x3a/0x110
[  584.809678][ T7927]  ? tty_port_init+0x156/0x1b0
[  584.814463][ T7927]  gsm_activate_mux+0x170/0x2f0
[  584.819348][ T7927]  gsmld_ioctl+0x876/0x1510
[  584.823899][ T7927]  ? gsm_dlci_config+0xf00/0xf00
[  584.828982][ T7927]  ? __ldsem_down_read_nested+0xe4/0x910
[  584.834723][ T7927]  ? __ldsem_down_read_nested+0xf4/0x910
[  584.840657][ T7927]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  584.846074][ T7927]  ? vt_waitactive+0x360/0x360
[  584.850869][ T7927]  ? gsm_dlci_config+0xf00/0xf00
[  584.855921][ T7927]  tty_ioctl+0x6f8/0x1550
[  584.860279][ T7927]  ? send_break+0x3e0/0x3e0
[  584.864902][ T7927]  ? reacquire_held_locks+0x4b0/0x4b0
[  584.870476][ T7927]  ? sigprocmask+0xf1/0x330
[  584.875045][ T7927]  ? do_sigtimedwait+0x5c0/0x5c0
[  584.880129][ T7927]  ? __fget_files+0x272/0x410
[  584.884857][ T7927]  ? bpf_lsm_file_ioctl+0x9/0x10
[  584.889997][ T7927]  ? send_break+0x3e0/0x3e0
[  584.894702][ T7927]  __x64_sys_ioctl+0x18f/0x210
[  584.899503][ T7927]  do_syscall_64+0x38/0xb0
[  584.903942][ T7927]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  584.909958][ T7927] RIP: 0033:0x7fe65e0fd6e9
[  584.914472][ T7927] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  584.934279][ T7927] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  584.942713][ T7927] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  584.951237][ T7927] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  584.959251][ T7927] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  584.967324][ T7927] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  584.976059][ T7927] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  584.984073][ T7927]  </TASK>
[  585.057891][ T7927] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  585.440220][ T7930] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  585.460730][ T7930] CPU: 0 PID: 7930 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  585.470175][ T7930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  585.480275][ T7930] Call Trace:
[  585.483764][ T7930]  <TASK>
[  585.486831][ T7930]  dump_stack_lvl+0x125/0x1b0
[  585.491601][ T7930]  sysfs_warn_dup+0x7f/0xa0
[  585.496156][ T7930]  sysfs_create_dir_ns+0x237/0x290
[  585.501420][ T7930]  ? sysfs_create_mount_point+0xb0/0xb0
[  585.507028][ T7930]  ? spin_bug+0x1d0/0x1d0
[  585.511430][ T7930]  ? class_dir_child_ns_type+0xd/0x60
[  585.517038][ T7930]  kobject_add_internal+0x2c8/0x960
[  585.522351][ T7930]  kobject_add+0x154/0x220
[  585.527089][ T7930]  ? kset_create_and_add+0x190/0x190
[  585.533144][ T7930]  ? do_raw_spin_unlock+0x173/0x230
[  585.538607][ T7930]  ? kobject_put+0xbe/0x440
[  585.543200][ T7930]  device_add+0x289/0x1a90
[  585.547694][ T7930]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  585.554706][ T7930]  ? __init_waitqueue_head+0xca/0x150
[  585.560153][ T7930]  tty_register_device_attr+0x382/0x7c0
[  585.565853][ T7930]  ? lockdep_init_map_type+0x16d/0x7c0
[  585.571387][ T7930]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  585.577092][ T7930]  ? lockdep_init_map_type+0x16d/0x7c0
[  585.582617][ T7930]  ? __raw_spin_lock_init+0x3a/0x110
[  585.588113][ T7930]  ? tty_port_init+0x156/0x1b0
[  585.592990][ T7930]  gsm_activate_mux+0x170/0x2f0
[  585.597876][ T7930]  gsmld_ioctl+0x876/0x1510
[  585.602467][ T7930]  ? gsm_dlci_config+0xf00/0xf00
[  585.607460][ T7930]  ? __ldsem_down_read_nested+0xe4/0x910
[  585.613129][ T7930]  ? __ldsem_down_read_nested+0xf4/0x910
[  585.618879][ T7930]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  585.624384][ T7930]  ? vt_waitactive+0x360/0x360
[  585.629180][ T7930]  ? gsm_dlci_config+0xf00/0xf00
[  585.634147][ T7930]  tty_ioctl+0x6f8/0x1550
[  585.638511][ T7930]  ? send_break+0x3e0/0x3e0
[  585.643045][ T7930]  ? reacquire_held_locks+0x4b0/0x4b0
[  585.648452][ T7930]  ? rcu_is_watching+0x12/0xb0
[  585.653324][ T7930]  ? do_one_initcall+0xf0/0x620
[  585.658297][ T7930]  ? __fget_files+0x272/0x410
[  585.663003][ T7930]  ? bpf_lsm_file_ioctl+0x9/0x10
[  585.667981][ T7930]  ? send_break+0x3e0/0x3e0
[  585.672772][ T7930]  __x64_sys_ioctl+0x18f/0x210
[  585.677572][ T7930]  do_syscall_64+0x38/0xb0
[  585.682011][ T7930]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  585.688447][ T7930] RIP: 0033:0x7fe65e0fd6e9
[  585.693135][ T7930] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  585.712850][ T7930] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  585.721372][ T7930] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  585.729442][ T7930] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  585.737431][ T7930] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  585.745499][ T7930] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  585.753490][ T7930] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  585.762363][ T7930]  </TASK>
[  585.805808][ T7930] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  586.125324][ T7933] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  586.143032][ T7933] CPU: 0 PID: 7933 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  586.152759][ T7933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  586.163639][ T7933] Call Trace:
[  586.166946][ T7933]  <TASK>
[  586.169991][ T7933]  dump_stack_lvl+0x125/0x1b0
[  586.174817][ T7933]  sysfs_warn_dup+0x7f/0xa0
[  586.179375][ T7933]  sysfs_create_dir_ns+0x237/0x290
[  586.184602][ T7933]  ? sysfs_create_mount_point+0xb0/0xb0
[  586.190673][ T7933]  ? spin_bug+0x1d0/0x1d0
[  586.195336][ T7933]  ? class_dir_child_ns_type+0xd/0x60
[  586.200805][ T7933]  kobject_add_internal+0x2c8/0x960
[  586.206240][ T7933]  kobject_add+0x154/0x220
[  586.210715][ T7933]  ? kset_create_and_add+0x190/0x190
[  586.216065][ T7933]  ? do_raw_spin_unlock+0x173/0x230
[  586.221414][ T7933]  ? kobject_put+0xbe/0x440
[  586.225980][ T7933]  device_add+0x289/0x1a90
[  586.230986][ T7933]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  586.238256][ T7933]  ? __init_waitqueue_head+0xca/0x150
[  586.243788][ T7933]  tty_register_device_attr+0x382/0x7c0
[  586.249428][ T7933]  ? lockdep_init_map_type+0x16d/0x7c0
[  586.255039][ T7933]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  586.260748][ T7933]  ? lockdep_init_map_type+0x16d/0x7c0
[  586.266276][ T7933]  ? __raw_spin_lock_init+0x3a/0x110
[  586.271716][ T7933]  ? tty_port_init+0x156/0x1b0
[  586.276556][ T7933]  gsm_activate_mux+0x170/0x2f0
[  586.281562][ T7933]  gsmld_ioctl+0x876/0x1510
[  586.286133][ T7933]  ? gsm_dlci_config+0xf00/0xf00
[  586.291306][ T7933]  ? __ldsem_down_read_nested+0xe4/0x910
[  586.296997][ T7933]  ? __ldsem_down_read_nested+0xf4/0x910
[  586.302784][ T7933]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  586.308227][ T7933]  ? vt_waitactive+0x360/0x360
[  586.313059][ T7933]  ? gsm_dlci_config+0xf00/0xf00
[  586.318055][ T7933]  tty_ioctl+0x6f8/0x1550
[  586.322533][ T7933]  ? send_break+0x3e0/0x3e0
[  586.327187][ T7933]  ? reacquire_held_locks+0x4b0/0x4b0
[  586.332788][ T7933]  ? rcu_is_watching+0x12/0xb0
[  586.337605][ T7933]  ? do_one_initcall+0xf0/0x620
[  586.342535][ T7933]  ? __fget_files+0x272/0x410
[  586.347379][ T7933]  ? bpf_lsm_file_ioctl+0x9/0x10
[  586.352635][ T7933]  ? send_break+0x3e0/0x3e0
[  586.357196][ T7933]  __x64_sys_ioctl+0x18f/0x210
[  586.362031][ T7933]  do_syscall_64+0x38/0xb0
[  586.366805][ T7933]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  586.373142][ T7933] RIP: 0033:0x7fe65e0fd6e9
[  586.377646][ T7933] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  586.397392][ T7933] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  586.406118][ T7933] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  586.414221][ T7933] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  586.422593][ T7933] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  586.430711][ T7933] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  586.438899][ T7933] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  586.447466][ T7933]  </TASK>
[  586.459756][ T7933] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  586.743888][ T7936] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  586.763343][ T7936] CPU: 1 PID: 7936 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  586.773063][ T7936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  586.783261][ T7936] Call Trace:
[  586.786866][ T7936]  <TASK>
[  586.789831][ T7936]  dump_stack_lvl+0x125/0x1b0
[  586.795777][ T7936]  sysfs_warn_dup+0x7f/0xa0
[  586.800421][ T7936]  sysfs_create_dir_ns+0x237/0x290
[  586.805587][ T7936]  ? sysfs_create_mount_point+0xb0/0xb0
[  586.811449][ T7936]  ? spin_bug+0x1d0/0x1d0
[  586.815843][ T7936]  ? class_dir_child_ns_type+0xd/0x60
[  586.821270][ T7936]  kobject_add_internal+0x2c8/0x960
[  586.826614][ T7936]  kobject_add+0x154/0x220
[  586.831089][ T7936]  ? kset_create_and_add+0x190/0x190
[  586.836518][ T7936]  ? do_raw_spin_unlock+0x173/0x230
[  586.841955][ T7936]  ? kobject_put+0xbe/0x440
[  586.846561][ T7936]  device_add+0x289/0x1a90
[  586.851045][ T7936]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  586.857956][ T7936]  ? __init_waitqueue_head+0xca/0x150
[  586.863389][ T7936]  tty_register_device_attr+0x382/0x7c0
[  586.869171][ T7936]  ? lockdep_init_map_type+0x16d/0x7c0
[  586.874870][ T7936]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  586.880474][ T7936]  ? lockdep_init_map_type+0x16d/0x7c0
[  586.886001][ T7936]  ? __raw_spin_lock_init+0x3a/0x110
[  586.891445][ T7936]  ? tty_port_init+0x156/0x1b0
[  586.896270][ T7936]  gsm_activate_mux+0x170/0x2f0
[  586.901188][ T7936]  gsmld_ioctl+0x876/0x1510
[  586.905853][ T7936]  ? gsm_dlci_config+0xf00/0xf00
[  586.910856][ T7936]  ? __ldsem_down_read_nested+0xe4/0x910
[  586.916625][ T7936]  ? __ldsem_down_read_nested+0xf4/0x910
[  586.922408][ T7936]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  586.927940][ T7936]  ? vt_waitactive+0x360/0x360
[  586.933044][ T7936]  ? gsm_dlci_config+0xf00/0xf00
[  586.938131][ T7936]  tty_ioctl+0x6f8/0x1550
[  586.942869][ T7936]  ? send_break+0x3e0/0x3e0
[  586.947737][ T7936]  ? reacquire_held_locks+0x4b0/0x4b0
[  586.953172][ T7936]  ? rcu_is_watching+0x12/0xb0
[  586.958675][ T7936]  ? do_one_initcall+0xf0/0x620
[  586.963884][ T7936]  ? __fget_files+0x272/0x410
[  586.968660][ T7936]  ? bpf_lsm_file_ioctl+0x9/0x10
[  586.973749][ T7936]  ? send_break+0x3e0/0x3e0
[  586.978593][ T7936]  __x64_sys_ioctl+0x18f/0x210
[  586.983421][ T7936]  do_syscall_64+0x38/0xb0
[  586.987999][ T7936]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  586.993963][ T7936] RIP: 0033:0x7fe65e0fd6e9
[  586.998512][ T7936] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  587.018950][ T7936] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  587.027603][ T7936] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  587.035919][ T7936] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  587.043994][ T7936] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  587.052370][ T7936] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  587.060390][ T7936] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  587.068424][ T7936]  </TASK>
[  587.078796][ T7936] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  587.360471][ T7939] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  587.376171][ T7939] CPU: 0 PID: 7939 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  587.385788][ T7939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  587.396299][ T7939] Call Trace:
[  587.399610][ T7939]  <TASK>
[  587.402581][ T7939]  dump_stack_lvl+0x125/0x1b0
[  587.407309][ T7939]  sysfs_warn_dup+0x7f/0xa0
[  587.411860][ T7939]  sysfs_create_dir_ns+0x237/0x290
[  587.417060][ T7939]  ? sysfs_create_mount_point+0xb0/0xb0
[  587.422693][ T7939]  ? spin_bug+0x1d0/0x1d0
[  587.427089][ T7939]  ? class_dir_child_ns_type+0xd/0x60
[  587.432528][ T7939]  kobject_add_internal+0x2c8/0x960
[  587.437788][ T7939]  kobject_add+0x154/0x220
[  587.442501][ T7939]  ? kset_create_and_add+0x190/0x190
[  587.447816][ T7939]  ? do_raw_spin_unlock+0x173/0x230
[  587.453223][ T7939]  ? kobject_put+0xbe/0x440
[  587.457849][ T7939]  device_add+0x289/0x1a90
[  587.462305][ T7939]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  587.469189][ T7939]  ? __init_waitqueue_head+0xca/0x150
[  587.474613][ T7939]  tty_register_device_attr+0x382/0x7c0
[  587.480401][ T7939]  ? lockdep_init_map_type+0x16d/0x7c0
[  587.486001][ T7939]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  587.491580][ T7939]  ? lockdep_init_map_type+0x16d/0x7c0
[  587.497285][ T7939]  ? __raw_spin_lock_init+0x3a/0x110
[  587.502601][ T7939]  ? tty_port_init+0x156/0x1b0
[  587.507734][ T7939]  gsm_activate_mux+0x170/0x2f0
[  587.512617][ T7939]  gsmld_ioctl+0x876/0x1510
[  587.517247][ T7939]  ? gsm_dlci_config+0xf00/0xf00
[  587.522212][ T7939]  ? __ldsem_down_read_nested+0xe4/0x910
[  587.527875][ T7939]  ? __ldsem_down_read_nested+0xf4/0x910
[  587.533543][ T7939]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  587.539040][ T7939]  ? vt_waitactive+0x360/0x360
[  587.544021][ T7939]  ? gsm_dlci_config+0xf00/0xf00
[  587.549081][ T7939]  tty_ioctl+0x6f8/0x1550
[  587.553474][ T7939]  ? send_break+0x3e0/0x3e0
[  587.558280][ T7939]  ? reacquire_held_locks+0x4b0/0x4b0
[  587.563865][ T7939]  ? rcu_is_watching+0x12/0xb0
[  587.568820][ T7939]  ? do_one_initcall+0xf0/0x620
[  587.573701][ T7939]  ? __fget_files+0x272/0x410
[  587.578584][ T7939]  ? bpf_lsm_file_ioctl+0x9/0x10
[  587.583545][ T7939]  ? send_break+0x3e0/0x3e0
[  587.588081][ T7939]  __x64_sys_ioctl+0x18f/0x210
[  587.592881][ T7939]  do_syscall_64+0x38/0xb0
[  587.597498][ T7939]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  587.603416][ T7939] RIP: 0033:0x7fe65e0fd6e9
[  587.607925][ T7939] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  587.628077][ T7939] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  587.636606][ T7939] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  587.644626][ T7939] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  587.652633][ T7939] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  587.660718][ T7939] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  587.668703][ T7939] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  587.676711][ T7939]  </TASK>
[  587.684678][ T7940] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  587.694537][ T7940] CPU: 0 PID: 7940 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  587.703786][ T7940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  587.713882][ T7940] Call Trace:
[  587.717198][ T7940]  <TASK>
[  587.720272][ T7940]  dump_stack_lvl+0x125/0x1b0
[  587.725109][ T7940]  sysfs_warn_dup+0x7f/0xa0
[  587.729668][ T7940]  sysfs_create_dir_ns+0x237/0x290
[  587.734834][ T7940]  ? sysfs_create_mount_point+0xb0/0xb0
[  587.740436][ T7940]  ? spin_bug+0x1d0/0x1d0
[  587.745371][ T7940]  ? class_dir_child_ns_type+0xd/0x60
[  587.751074][ T7940]  kobject_add_internal+0x2c8/0x960
[  587.756515][ T7940]  kobject_add+0x154/0x220
[  587.761077][ T7940]  ? kset_create_and_add+0x190/0x190
[  587.766681][ T7940]  ? do_raw_spin_unlock+0x173/0x230
[  587.772508][ T7940]  ? kobject_put+0xbe/0x440
[  587.777162][ T7940]  device_add+0x289/0x1a90
[  587.781730][ T7940]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  587.788655][ T7940]  ? __init_waitqueue_head+0xca/0x150
[  587.794094][ T7940]  tty_register_device_attr+0x382/0x7c0
[  587.794702][ T7939] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  587.799668][ T7940]  ? lockdep_init_map_type+0x16d/0x7c0
[  587.819237][ T7940]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  587.825025][ T7940]  ? lockdep_init_map_type+0x16d/0x7c0
[  587.830555][ T7940]  ? __raw_spin_lock_init+0x3a/0x110
[  587.836261][ T7940]  ? tty_port_init+0x156/0x1b0
[  587.841083][ T7940]  gsm_activate_mux+0x170/0x2f0
[  587.845998][ T7940]  gsmld_ioctl+0x876/0x1510
[  587.850570][ T7940]  ? gsm_dlci_config+0xf00/0xf00
[  587.855755][ T7940]  ? __ldsem_down_read_nested+0xe4/0x910
[  587.861433][ T7940]  ? __ldsem_down_read_nested+0xf4/0x910
[  587.867219][ T7940]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  587.872658][ T7940]  ? vt_waitactive+0x360/0x360
[  587.877535][ T7940]  ? gsm_dlci_config+0xf00/0xf00
[  587.882709][ T7940]  tty_ioctl+0x6f8/0x1550
[  587.887480][ T7940]  ? send_break+0x3e0/0x3e0
[  587.892046][ T7940]  ? reacquire_held_locks+0x4b0/0x4b0
[  587.897652][ T7940]  ? sigprocmask+0xf1/0x330
[  587.902402][ T7940]  ? do_sigtimedwait+0x5c0/0x5c0
[  587.907599][ T7940]  ? __fget_files+0x272/0x410
[  587.912343][ T7940]  ? bpf_lsm_file_ioctl+0x9/0x10
[  587.917335][ T7940]  ? send_break+0x3e0/0x3e0
[  587.921896][ T7940]  __x64_sys_ioctl+0x18f/0x210
[  587.926727][ T7940]  do_syscall_64+0x38/0xb0
[  587.931285][ T7940]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  587.937227][ T7940] RIP: 0033:0x7fe65e0fd6e9
[  587.941677][ T7940] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  587.961331][ T7940] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  587.969972][ T7940] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  587.978166][ T7940] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  587.986542][ T7940] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  587.994648][ T7940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  588.002844][ T7940] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  588.011049][ T7940]  </TASK>
[  588.016529][ T7940] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  588.298179][ T7943] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  588.310318][ T7943] CPU: 1 PID: 7943 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  588.319846][ T7943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  588.329952][ T7943] Call Trace:
[  588.333266][ T7943]  <TASK>
[  588.336231][ T7943]  dump_stack_lvl+0x125/0x1b0
[  588.341268][ T7943]  sysfs_warn_dup+0x7f/0xa0
[  588.345818][ T7943]  sysfs_create_dir_ns+0x237/0x290
[  588.350987][ T7943]  ? sysfs_create_mount_point+0xb0/0xb0
[  588.356758][ T7943]  ? spin_bug+0x1d0/0x1d0
[  588.361154][ T7943]  ? class_dir_child_ns_type+0xd/0x60
[  588.366673][ T7943]  kobject_add_internal+0x2c8/0x960
[  588.372092][ T7943]  kobject_add+0x154/0x220
[  588.376533][ T7943]  ? kset_create_and_add+0x190/0x190
[  588.381843][ T7943]  ? do_raw_spin_unlock+0x173/0x230
[  588.387073][ T7943]  ? kobject_put+0xbe/0x440
[  588.391605][ T7943]  device_add+0x289/0x1a90
[  588.396056][ T7943]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  588.402937][ T7943]  ? __init_waitqueue_head+0xca/0x150
[  588.408340][ T7943]  tty_register_device_attr+0x382/0x7c0
[  588.413950][ T7943]  ? lockdep_init_map_type+0x16d/0x7c0
[  588.419457][ T7943]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  588.425048][ T7943]  ? lockdep_init_map_type+0x16d/0x7c0
[  588.430540][ T7943]  ? __raw_spin_lock_init+0x3a/0x110
[  588.436128][ T7943]  ? tty_port_init+0x156/0x1b0
[  588.441174][ T7943]  gsm_activate_mux+0x170/0x2f0
[  588.446062][ T7943]  gsmld_ioctl+0x876/0x1510
[  588.450616][ T7943]  ? gsm_dlci_config+0xf00/0xf00
[  588.455595][ T7943]  ? __ldsem_down_read_nested+0xe4/0x910
[  588.461246][ T7943]  ? __ldsem_down_read_nested+0xf4/0x910
[  588.467014][ T7943]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  588.472422][ T7943]  ? vt_waitactive+0x360/0x360
[  588.477511][ T7943]  ? gsm_dlci_config+0xf00/0xf00
[  588.482598][ T7943]  tty_ioctl+0x6f8/0x1550
[  588.486975][ T7943]  ? send_break+0x3e0/0x3e0
[  588.491533][ T7943]  ? reacquire_held_locks+0x4b0/0x4b0
[  588.496945][ T7943]  ? rcu_is_watching+0x12/0xb0
[  588.501817][ T7943]  ? do_one_initcall+0xf0/0x620
[  588.506789][ T7943]  ? __fget_files+0x272/0x410
[  588.511500][ T7943]  ? bpf_lsm_file_ioctl+0x9/0x10
[  588.516656][ T7943]  ? send_break+0x3e0/0x3e0
[  588.521226][ T7943]  __x64_sys_ioctl+0x18f/0x210
[  588.526055][ T7943]  do_syscall_64+0x38/0xb0
[  588.530882][ T7943]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  588.537277][ T7943] RIP: 0033:0x7fe65e0fd6e9
[  588.541732][ T7943] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  588.561357][ T7943] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  588.569966][ T7943] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  588.577947][ T7943] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  588.585941][ T7943] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  588.593927][ T7943] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  588.602087][ T7943] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  588.610261][ T7943]  </TASK>
[  588.617665][ T7943] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  588.646596][ T7944] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  588.662443][ T7944] CPU: 1 PID: 7944 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  588.671893][ T7944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  588.681990][ T7944] Call Trace:
[  588.685305][ T7944]  <TASK>
[  588.688273][ T7944]  dump_stack_lvl+0x125/0x1b0
[  588.693095][ T7944]  sysfs_warn_dup+0x7f/0xa0
[  588.697651][ T7944]  sysfs_create_dir_ns+0x237/0x290
[  588.702818][ T7944]  ? sysfs_create_mount_point+0xb0/0xb0
[  588.708518][ T7944]  ? spin_bug+0x1d0/0x1d0
[  588.713007][ T7944]  ? class_dir_child_ns_type+0xd/0x60
[  588.718615][ T7944]  kobject_add_internal+0x2c8/0x960
[  588.723882][ T7944]  kobject_add+0x154/0x220
[  588.728369][ T7944]  ? kset_create_and_add+0x190/0x190
[  588.733687][ T7944]  ? do_raw_spin_unlock+0x173/0x230
[  588.738915][ T7944]  ? kobject_put+0xbe/0x440
[  588.743475][ T7944]  device_add+0x289/0x1a90
[  588.747945][ T7944]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  588.755034][ T7944]  ? __init_waitqueue_head+0xca/0x150
[  588.761165][ T7944]  tty_register_device_attr+0x382/0x7c0
[  588.766782][ T7944]  ? lockdep_init_map_type+0x16d/0x7c0
[  588.772463][ T7944]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  588.778311][ T7944]  ? lockdep_init_map_type+0x16d/0x7c0
[  588.783901][ T7944]  ? __raw_spin_lock_init+0x3a/0x110
[  588.789216][ T7944]  ? tty_port_init+0x156/0x1b0
[  588.794208][ T7944]  gsm_activate_mux+0x170/0x2f0
[  588.799200][ T7944]  gsmld_ioctl+0x876/0x1510
[  588.803877][ T7944]  ? gsm_dlci_config+0xf00/0xf00
[  588.809368][ T7944]  ? __ldsem_down_read_nested+0xe4/0x910
[  588.815021][ T7944]  ? __ldsem_down_read_nested+0xf4/0x910
[  588.820716][ T7944]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  588.826187][ T7944]  ? vt_waitactive+0x360/0x360
[  588.830996][ T7944]  ? gsm_dlci_config+0xf00/0xf00
[  588.836137][ T7944]  tty_ioctl+0x6f8/0x1550
[  588.840497][ T7944]  ? send_break+0x3e0/0x3e0
[  588.845034][ T7944]  ? reacquire_held_locks+0x4b0/0x4b0
[  588.850436][ T7944]  ? sigprocmask+0xf1/0x330
[  588.855069][ T7944]  ? do_sigtimedwait+0x5c0/0x5c0
[  588.860132][ T7944]  ? __fget_files+0x272/0x410
[  588.864936][ T7944]  ? bpf_lsm_file_ioctl+0x9/0x10
[  588.869902][ T7944]  ? send_break+0x3e0/0x3e0
[  588.874431][ T7944]  __x64_sys_ioctl+0x18f/0x210
[  588.879229][ T7944]  do_syscall_64+0x38/0xb0
[  588.883670][ T7944]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  588.889589][ T7944] RIP: 0033:0x7fe65e0fd6e9
[  588.894025][ T7944] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  588.914086][ T7944] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  588.922521][ T7944] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  588.930686][ T7944] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  588.938671][ T7944] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  588.946754][ T7944] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  588.954739][ T7944] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  588.962751][ T7944]  </TASK>
[  588.974961][ T7944] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  589.350790][ T7947] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  589.360874][ T7947] CPU: 0 PID: 7947 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  589.370224][ T7947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  589.380586][ T7947] Call Trace:
[  589.383902][ T7947]  <TASK>
[  589.386861][ T7947]  dump_stack_lvl+0x125/0x1b0
[  589.391855][ T7947]  sysfs_warn_dup+0x7f/0xa0
[  589.396415][ T7947]  sysfs_create_dir_ns+0x237/0x290
[  589.401669][ T7947]  ? sysfs_create_mount_point+0xb0/0xb0
[  589.407267][ T7947]  ? spin_bug+0x1d0/0x1d0
[  589.411662][ T7947]  ? class_dir_child_ns_type+0xd/0x60
[  589.417266][ T7947]  kobject_add_internal+0x2c8/0x960
[  589.422712][ T7947]  kobject_add+0x154/0x220
[  589.427171][ T7947]  ? kset_create_and_add+0x190/0x190
[  589.432490][ T7947]  ? do_raw_spin_unlock+0x173/0x230
[  589.437722][ T7947]  ? kobject_put+0xbe/0x440
[  589.442262][ T7947]  device_add+0x289/0x1a90
[  589.446723][ T7947]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  589.453609][ T7947]  ? __init_waitqueue_head+0xca/0x150
[  589.459797][ T7947]  tty_register_device_attr+0x382/0x7c0
[  589.465546][ T7947]  ? lockdep_init_map_type+0x16d/0x7c0
[  589.471117][ T7947]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  589.476779][ T7947]  ? lockdep_init_map_type+0x16d/0x7c0
[  589.482269][ T7947]  ? __raw_spin_lock_init+0x3a/0x110
[  589.487584][ T7947]  ? tty_port_init+0x156/0x1b0
[  589.492487][ T7947]  gsm_activate_mux+0x170/0x2f0
[  589.497397][ T7947]  gsmld_ioctl+0x876/0x1510
[  589.502199][ T7947]  ? gsm_dlci_config+0xf00/0xf00
[  589.507172][ T7947]  ? __ldsem_down_read_nested+0xe4/0x910
[  589.512831][ T7947]  ? __ldsem_down_read_nested+0xf4/0x910
[  589.518581][ T7947]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  589.524024][ T7947]  ? vt_waitactive+0x360/0x360
[  589.528925][ T7947]  ? gsm_dlci_config+0xf00/0xf00
[  589.533893][ T7947]  tty_ioctl+0x6f8/0x1550
[  589.538290][ T7947]  ? send_break+0x3e0/0x3e0
[  589.542853][ T7947]  ? reacquire_held_locks+0x4b0/0x4b0
[  589.548358][ T7947]  ? rcu_is_watching+0x12/0xb0
[  589.553148][ T7947]  ? do_one_initcall+0xf0/0x620
[  589.558034][ T7947]  ? __fget_files+0x272/0x410
[  589.562745][ T7947]  ? bpf_lsm_file_ioctl+0x9/0x10
[  589.567720][ T7947]  ? send_break+0x3e0/0x3e0
[  589.572278][ T7947]  __x64_sys_ioctl+0x18f/0x210
[  589.577273][ T7947]  do_syscall_64+0x38/0xb0
[  589.581719][ T7947]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  589.587820][ T7947] RIP: 0033:0x7fe65e0fd6e9
[  589.592255][ T7947] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  589.612575][ T7947] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  589.621033][ T7947] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  589.629107][ T7947] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  589.637104][ T7947] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  589.645090][ T7947] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  589.653073][ T7947] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  589.661107][ T7947]  </TASK>
[  589.679180][ T7947] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  589.693363][ T7948] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  589.701872][ T7948] CPU: 1 PID: 7948 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  589.711095][ T7948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  589.721265][ T7948] Call Trace:
[  589.724560][ T7948]  <TASK>
[  589.727502][ T7948]  dump_stack_lvl+0x125/0x1b0
[  589.732207][ T7948]  sysfs_warn_dup+0x7f/0xa0
[  589.736823][ T7948]  sysfs_create_dir_ns+0x237/0x290
[  589.742854][ T7948]  ? sysfs_create_mount_point+0xb0/0xb0
[  589.748422][ T7948]  ? spin_bug+0x1d0/0x1d0
[  589.752920][ T7948]  ? class_dir_child_ns_type+0xd/0x60
[  589.758326][ T7948]  kobject_add_internal+0x2c8/0x960
[  589.763644][ T7948]  kobject_add+0x154/0x220
[  589.768089][ T7948]  ? kset_create_and_add+0x190/0x190
[  589.773405][ T7948]  ? do_raw_spin_unlock+0x173/0x230
[  589.779071][ T7948]  ? kobject_put+0xbe/0x440
[  589.783619][ T7948]  device_add+0x289/0x1a90
[  589.788154][ T7948]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  589.795124][ T7948]  ? __init_waitqueue_head+0xca/0x150
[  589.800613][ T7948]  tty_register_device_attr+0x382/0x7c0
[  589.806190][ T7948]  ? lockdep_init_map_type+0x16d/0x7c0
[  589.811769][ T7948]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  589.817340][ T7948]  ? lockdep_init_map_type+0x16d/0x7c0
[  589.822832][ T7948]  ? __raw_spin_lock_init+0x3a/0x110
[  589.828154][ T7948]  ? tty_port_init+0x156/0x1b0
[  589.833990][ T7948]  gsm_activate_mux+0x170/0x2f0
[  589.838888][ T7948]  gsmld_ioctl+0x876/0x1510
[  589.843460][ T7948]  ? gsm_dlci_config+0xf00/0xf00
[  589.848432][ T7948]  ? __ldsem_down_read_nested+0xe4/0x910
[  589.854093][ T7948]  ? __ldsem_down_read_nested+0xf4/0x910
[  589.859754][ T7948]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  589.865266][ T7948]  ? vt_waitactive+0x360/0x360
[  589.870254][ T7948]  ? gsm_dlci_config+0xf00/0xf00
[  589.875317][ T7948]  tty_ioctl+0x6f8/0x1550
[  589.879938][ T7948]  ? send_break+0x3e0/0x3e0
[  589.884472][ T7948]  ? reacquire_held_locks+0x4b0/0x4b0
[  589.889876][ T7948]  ? sigprocmask+0xf1/0x330
[  589.894673][ T7948]  ? do_sigtimedwait+0x5c0/0x5c0
[  589.899649][ T7948]  ? __fget_files+0x272/0x410
[  589.904453][ T7948]  ? bpf_lsm_file_ioctl+0x9/0x10
[  589.909416][ T7948]  ? send_break+0x3e0/0x3e0
[  589.914033][ T7948]  __x64_sys_ioctl+0x18f/0x210
[  589.918828][ T7948]  do_syscall_64+0x38/0xb0
[  589.923284][ T7948]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  589.929202][ T7948] RIP: 0033:0x7fe65e0fd6e9
[  589.933634][ T7948] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  589.953435][ T7948] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  589.961952][ T7948] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  589.970024][ T7948] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  589.978024][ T7948] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  589.986098][ T7948] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  589.994339][ T7948] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  590.002544][ T7948]  </TASK>
[  590.024233][ T7948] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  590.416241][ T7951] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  590.435858][ T7951] CPU: 0 PID: 7951 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  590.445212][ T7951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  590.455734][ T7951] Call Trace:
[  590.459048][ T7951]  <TASK>
[  590.462071][ T7951]  dump_stack_lvl+0x125/0x1b0
[  590.466806][ T7951]  sysfs_warn_dup+0x7f/0xa0
[  590.471363][ T7951]  sysfs_create_dir_ns+0x237/0x290
[  590.476536][ T7951]  ? sysfs_create_mount_point+0xb0/0xb0
[  590.482225][ T7951]  ? spin_bug+0x1d0/0x1d0
[  590.486619][ T7951]  ? class_dir_child_ns_type+0xd/0x60
[  590.492050][ T7951]  kobject_add_internal+0x2c8/0x960
[  590.497491][ T7951]  kobject_add+0x154/0x220
[  590.502030][ T7951]  ? kset_create_and_add+0x190/0x190
[  590.507775][ T7951]  ? do_raw_spin_unlock+0x173/0x230
[  590.513164][ T7951]  ? kobject_put+0xbe/0x440
[  590.517782][ T7951]  device_add+0x289/0x1a90
[  590.522266][ T7951]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  590.529162][ T7951]  ? __init_waitqueue_head+0xca/0x150
[  590.534656][ T7951]  tty_register_device_attr+0x382/0x7c0
[  590.540841][ T7951]  ? lockdep_init_map_type+0x16d/0x7c0
[  590.546501][ T7951]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  590.552407][ T7951]  ? lockdep_init_map_type+0x16d/0x7c0
[  590.558336][ T7951]  ? __raw_spin_lock_init+0x3a/0x110
[  590.563860][ T7951]  ? tty_port_init+0x156/0x1b0
[  590.569224][ T7951]  gsm_activate_mux+0x170/0x2f0
[  590.574229][ T7951]  gsmld_ioctl+0x876/0x1510
[  590.578790][ T7951]  ? gsm_dlci_config+0xf00/0xf00
[  590.583874][ T7951]  ? __ldsem_down_read_nested+0xe4/0x910
[  590.589630][ T7951]  ? __ldsem_down_read_nested+0xf4/0x910
[  590.595392][ T7951]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  590.601058][ T7951]  ? vt_waitactive+0x360/0x360
[  590.605861][ T7951]  ? gsm_dlci_config+0xf00/0xf00
[  590.610921][ T7951]  tty_ioctl+0x6f8/0x1550
[  590.615486][ T7951]  ? send_break+0x3e0/0x3e0
[  590.620029][ T7951]  ? reacquire_held_locks+0x4b0/0x4b0
[  590.625519][ T7951]  ? rcu_is_watching+0x12/0xb0
[  590.630309][ T7951]  ? do_one_initcall+0xf0/0x620
[  590.635202][ T7951]  ? __fget_files+0x272/0x410
[  590.639912][ T7951]  ? bpf_lsm_file_ioctl+0x9/0x10
[  590.644869][ T7951]  ? send_break+0x3e0/0x3e0
[  590.649502][ T7951]  __x64_sys_ioctl+0x18f/0x210
[  590.654325][ T7951]  do_syscall_64+0x38/0xb0
[  590.659055][ T7951]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  590.665263][ T7951] RIP: 0033:0x7fe65e0fd6e9
[  590.670001][ T7951] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  590.689875][ T7951] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  590.698401][ T7951] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  590.706659][ T7951] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  590.714726][ T7951] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  590.722885][ T7951] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  590.731227][ T7951] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  590.739525][ T7951]  </TASK>
[  590.744705][ T7952] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  590.751459][ T7951] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  590.754114][ T7952] CPU: 0 PID: 7952 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  590.777405][ T7952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  590.787930][ T7952] Call Trace:
[  590.791242][ T7952]  <TASK>
[  590.794273][ T7952]  dump_stack_lvl+0x125/0x1b0
[  590.798976][ T7952]  sysfs_warn_dup+0x7f/0xa0
[  590.803499][ T7952]  sysfs_create_dir_ns+0x237/0x290
[  590.808807][ T7952]  ? sysfs_create_mount_point+0xb0/0xb0
[  590.814465][ T7952]  ? spin_bug+0x1d0/0x1d0
[  590.818848][ T7952]  ? class_dir_child_ns_type+0xd/0x60
[  590.824255][ T7952]  kobject_add_internal+0x2c8/0x960
[  590.829576][ T7952]  kobject_add+0x154/0x220
[  590.834016][ T7952]  ? kset_create_and_add+0x190/0x190
[  590.839332][ T7952]  ? do_raw_spin_unlock+0x173/0x230
[  590.844645][ T7952]  ? kobject_put+0xbe/0x440
[  590.849186][ T7952]  device_add+0x289/0x1a90
[  590.853637][ T7952]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  590.860628][ T7952]  ? __init_waitqueue_head+0xca/0x150
[  590.866207][ T7952]  tty_register_device_attr+0x382/0x7c0
[  590.871816][ T7952]  ? lockdep_init_map_type+0x16d/0x7c0
[  590.877410][ T7952]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  590.883166][ T7952]  ? lockdep_init_map_type+0x16d/0x7c0
[  590.888661][ T7952]  ? __raw_spin_lock_init+0x3a/0x110
[  590.894071][ T7952]  ? tty_port_init+0x156/0x1b0
[  590.898856][ T7952]  gsm_activate_mux+0x170/0x2f0
[  590.903751][ T7952]  gsmld_ioctl+0x876/0x1510
[  590.908316][ T7952]  ? gsm_dlci_config+0xf00/0xf00
[  590.913286][ T7952]  ? __ldsem_down_read_nested+0xe4/0x910
[  590.919112][ T7952]  ? __ldsem_down_read_nested+0xf4/0x910
[  590.924943][ T7952]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  590.930397][ T7952]  ? vt_waitactive+0x360/0x360
[  590.935193][ T7952]  ? gsm_dlci_config+0xf00/0xf00
[  590.940160][ T7952]  tty_ioctl+0x6f8/0x1550
[  590.944528][ T7952]  ? send_break+0x3e0/0x3e0
[  590.949148][ T7952]  ? reacquire_held_locks+0x4b0/0x4b0
[  590.954829][ T7952]  ? sigprocmask+0xf1/0x330
[  590.959400][ T7952]  ? do_sigtimedwait+0x5c0/0x5c0
[  590.964663][ T7952]  ? __fget_files+0x272/0x410
[  590.969745][ T7952]  ? bpf_lsm_file_ioctl+0x9/0x10
[  590.974746][ T7952]  ? send_break+0x3e0/0x3e0
[  590.979543][ T7952]  __x64_sys_ioctl+0x18f/0x210
[  590.984344][ T7952]  do_syscall_64+0x38/0xb0
[  590.988870][ T7952]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  590.994957][ T7952] RIP: 0033:0x7fe65e0fd6e9
[  590.999384][ T7952] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  591.019448][ T7952] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  591.028317][ T7952] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  591.036832][ T7952] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  591.044990][ T7952] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  591.053092][ T7952] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  591.061072][ T7952] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  591.069179][ T7952]  </TASK>
[  591.076937][ T7952] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  591.492305][ T7955] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  591.527218][ T7955] CPU: 0 PID: 7955 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  591.536596][ T7955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  591.544434][ T7956] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  591.546789][ T7955] Call Trace:
[  591.546801][ T7955]  <TASK>
[  591.546814][ T7955]  dump_stack_lvl+0x125/0x1b0
[  591.566974][ T7955]  sysfs_warn_dup+0x7f/0xa0
[  591.571807][ T7955]  sysfs_create_dir_ns+0x237/0x290
[  591.577153][ T7955]  ? sysfs_create_mount_point+0xb0/0xb0
[  591.582736][ T7955]  ? spin_bug+0x1d0/0x1d0
[  591.587123][ T7955]  ? class_dir_child_ns_type+0xd/0x60
[  591.592712][ T7955]  kobject_add_internal+0x2c8/0x960
[  591.597958][ T7955]  kobject_add+0x154/0x220
[  591.602618][ T7955]  ? kset_create_and_add+0x190/0x190
[  591.607937][ T7955]  ? do_raw_spin_unlock+0x173/0x230
[  591.613178][ T7955]  ? kobject_put+0xbe/0x440
[  591.617816][ T7955]  device_add+0x289/0x1a90
[  591.622276][ T7955]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  591.629179][ T7955]  ? __init_waitqueue_head+0xca/0x150
[  591.634737][ T7955]  tty_register_device_attr+0x382/0x7c0
[  591.640347][ T7955]  ? lockdep_init_map_type+0x16d/0x7c0
[  591.646209][ T7955]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  591.651878][ T7955]  ? lockdep_init_map_type+0x16d/0x7c0
[  591.657461][ T7955]  ? __raw_spin_lock_init+0x3a/0x110
[  591.662795][ T7955]  ? tty_port_init+0x156/0x1b0
[  591.667598][ T7955]  gsm_activate_mux+0x170/0x2f0
[  591.672772][ T7955]  gsmld_ioctl+0x876/0x1510
[  591.677513][ T7955]  ? gsm_dlci_config+0xf00/0xf00
[  591.682583][ T7955]  ? __ldsem_down_read_nested+0xe4/0x910
[  591.688434][ T7955]  ? __ldsem_down_read_nested+0xf4/0x910
[  591.694300][ T7955]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  591.699742][ T7955]  ? vt_waitactive+0x360/0x360
[  591.704735][ T7955]  ? gsm_dlci_config+0xf00/0xf00
[  591.709880][ T7955]  tty_ioctl+0x6f8/0x1550
[  591.714250][ T7955]  ? send_break+0x3e0/0x3e0
[  591.718970][ T7955]  ? reacquire_held_locks+0x4b0/0x4b0
[  591.724653][ T7955]  ? rcu_is_watching+0x12/0xb0
[  591.729482][ T7955]  ? do_one_initcall+0xf0/0x620
[  591.734481][ T7955]  ? __fget_files+0x272/0x410
[  591.739209][ T7955]  ? bpf_lsm_file_ioctl+0x9/0x10
[  591.744176][ T7955]  ? send_break+0x3e0/0x3e0
[  591.748722][ T7955]  __x64_sys_ioctl+0x18f/0x210
[  591.753615][ T7955]  do_syscall_64+0x38/0xb0
[  591.758065][ T7955]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  591.763997][ T7955] RIP: 0033:0x7fe65e0fd6e9
[  591.768781][ T7955] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  591.788539][ T7955] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  591.797235][ T7955] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  591.805272][ T7955] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  591.813354][ T7955] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  591.821346][ T7955] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  591.829357][ T7955] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  591.837462][ T7955]  </TASK>
[  591.840534][ T7956] CPU: 1 PID: 7956 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  591.850039][ T7956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  591.860197][ T7956] Call Trace:
[  591.863662][ T7956]  <TASK>
[  591.866862][ T7956]  dump_stack_lvl+0x125/0x1b0
[  591.871653][ T7956]  sysfs_warn_dup+0x7f/0xa0
[  591.876352][ T7956]  sysfs_create_dir_ns+0x237/0x290
[  591.881578][ T7956]  ? sysfs_create_mount_point+0xb0/0xb0
[  591.887140][ T7956]  ? spin_bug+0x1d0/0x1d0
[  591.891501][ T7956]  ? class_dir_child_ns_type+0xd/0x60
[  591.897071][ T7956]  kobject_add_internal+0x2c8/0x960
[  591.902297][ T7956]  kobject_add+0x154/0x220
[  591.906736][ T7956]  ? kset_create_and_add+0x190/0x190
[  591.912305][ T7956]  ? do_raw_spin_unlock+0x173/0x230
[  591.917545][ T7956]  ? kobject_put+0xbe/0x440
[  591.922256][ T7956]  device_add+0x289/0x1a90
[  591.926715][ T7956]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  591.933690][ T7956]  ? __init_waitqueue_head+0xca/0x150
[  591.939095][ T7956]  tty_register_device_attr+0x382/0x7c0
[  591.944669][ T7956]  ? lockdep_init_map_type+0x16d/0x7c0
[  591.950258][ T7956]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  591.956236][ T7956]  ? lockdep_init_map_type+0x16d/0x7c0
[  591.962430][ T7956]  ? __raw_spin_lock_init+0x3a/0x110
[  591.967749][ T7956]  ? tty_port_init+0x156/0x1b0
[  591.972572][ T7956]  gsm_activate_mux+0x170/0x2f0
[  591.977488][ T7956]  gsmld_ioctl+0x876/0x1510
[  591.982048][ T7956]  ? gsm_dlci_config+0xf00/0xf00
[  591.987117][ T7956]  ? __ldsem_down_read_nested+0xe4/0x910
[  591.992859][ T7956]  ? __ldsem_down_read_nested+0xf4/0x910
[  591.998644][ T7956]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  592.004181][ T7956]  ? vt_waitactive+0x360/0x360
[  592.008983][ T7956]  ? gsm_dlci_config+0xf00/0xf00
[  592.013959][ T7956]  tty_ioctl+0x6f8/0x1550
[  592.018338][ T7956]  ? send_break+0x3e0/0x3e0
[  592.022881][ T7956]  ? reacquire_held_locks+0x4b0/0x4b0
[  592.028378][ T7956]  ? sigprocmask+0xf1/0x330
[  592.033088][ T7956]  ? do_sigtimedwait+0x5c0/0x5c0
[  592.038074][ T7956]  ? __fget_files+0x272/0x410
[  592.043656][ T7956]  ? bpf_lsm_file_ioctl+0x9/0x10
[  592.048702][ T7956]  ? send_break+0x3e0/0x3e0
[  592.053320][ T7956]  __x64_sys_ioctl+0x18f/0x210
[  592.058293][ T7956]  do_syscall_64+0x38/0xb0
[  592.062816][ T7956]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  592.068745][ T7956] RIP: 0033:0x7fe65e0fd6e9
[  592.073175][ T7956] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  592.092973][ T7956] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  592.101409][ T7956] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  592.109481][ T7956] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  592.117553][ T7956] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  592.125889][ T7956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  592.134058][ T7956] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  592.142149][ T7956]  </TASK>
[  592.145529][ T7955] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  592.162343][ T7956] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  592.566649][ T7959] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  592.586604][ T7959] CPU: 0 PID: 7959 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  592.596066][ T7959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  592.606168][ T7959] Call Trace:
[  592.609656][ T7959]  <TASK>
[  592.612879][ T7959]  dump_stack_lvl+0x125/0x1b0
[  592.617611][ T7959]  sysfs_warn_dup+0x7f/0xa0
[  592.622166][ T7959]  sysfs_create_dir_ns+0x237/0x290
[  592.627326][ T7959]  ? sysfs_create_mount_point+0xb0/0xb0
[  592.632923][ T7959]  ? spin_bug+0x1d0/0x1d0
[  592.638003][ T7959]  ? class_dir_child_ns_type+0xd/0x60
[  592.643424][ T7959]  kobject_add_internal+0x2c8/0x960
[  592.648757][ T7959]  kobject_add+0x154/0x220
[  592.653550][ T7959]  ? kset_create_and_add+0x190/0x190
[  592.659035][ T7959]  ? do_raw_spin_unlock+0x173/0x230
[  592.664528][ T7959]  ? kobject_put+0xbe/0x440
[  592.669076][ T7959]  device_add+0x289/0x1a90
[  592.673937][ T7959]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  592.681097][ T7959]  ? __init_waitqueue_head+0xca/0x150
[  592.686502][ T7959]  tty_register_device_attr+0x382/0x7c0
[  592.692077][ T7959]  ? lockdep_init_map_type+0x16d/0x7c0
[  592.697564][ T7959]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  592.703141][ T7959]  ? lockdep_init_map_type+0x16d/0x7c0
[  592.708633][ T7959]  ? __raw_spin_lock_init+0x3a/0x110
[  592.714208][ T7959]  ? tty_port_init+0x156/0x1b0
[  592.718998][ T7959]  gsm_activate_mux+0x170/0x2f0
[  592.723880][ T7959]  gsmld_ioctl+0x876/0x1510
[  592.728430][ T7959]  ? gsm_dlci_config+0xf00/0xf00
[  592.733583][ T7959]  ? __ldsem_down_read_nested+0xe4/0x910
[  592.739331][ T7959]  ? __ldsem_down_read_nested+0xf4/0x910
[  592.745007][ T7959]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  592.750511][ T7959]  ? vt_waitactive+0x360/0x360
[  592.755396][ T7959]  ? gsm_dlci_config+0xf00/0xf00
[  592.760372][ T7959]  tty_ioctl+0x6f8/0x1550
[  592.764817][ T7959]  ? send_break+0x3e0/0x3e0
[  592.769875][ T7959]  ? reacquire_held_locks+0x4b0/0x4b0
[  592.775372][ T7959]  ? rcu_is_watching+0x12/0xb0
[  592.780168][ T7959]  ? do_one_initcall+0xf0/0x620
[  592.785050][ T7959]  ? __fget_files+0x272/0x410
[  592.789773][ T7959]  ? bpf_lsm_file_ioctl+0x9/0x10
[  592.794737][ T7959]  ? send_break+0x3e0/0x3e0
[  592.799278][ T7959]  __x64_sys_ioctl+0x18f/0x210
[  592.804087][ T7959]  do_syscall_64+0x38/0xb0
[  592.808534][ T7959]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  592.814451][ T7959] RIP: 0033:0x7fe65e0fd6e9
[  592.818882][ T7959] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  592.839299][ T7959] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  592.847738][ T7959] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  592.855812][ T7959] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  592.863796][ T7959] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  592.871780][ T7959] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  592.879850][ T7959] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  592.887860][ T7959]  </TASK>
[  592.982486][ T7959] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  593.328981][ T7962] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  593.341203][ T7962] CPU: 1 PID: 7962 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  593.350485][ T7962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  593.360676][ T7962] Call Trace:
[  593.364085][ T7962]  <TASK>
[  593.367060][ T7962]  dump_stack_lvl+0x125/0x1b0
[  593.371801][ T7962]  sysfs_warn_dup+0x7f/0xa0
[  593.376372][ T7962]  sysfs_create_dir_ns+0x237/0x290
[  593.381637][ T7962]  ? sysfs_create_mount_point+0xb0/0xb0
[  593.387260][ T7962]  ? spin_bug+0x1d0/0x1d0
[  593.391664][ T7962]  ? class_dir_child_ns_type+0xd/0x60
[  593.397095][ T7962]  kobject_add_internal+0x2c8/0x960
[  593.402447][ T7962]  kobject_add+0x154/0x220
[  593.407016][ T7962]  ? kset_create_and_add+0x190/0x190
[  593.412365][ T7962]  ? do_raw_spin_unlock+0x173/0x230
[  593.417731][ T7962]  ? kobject_put+0xbe/0x440
[  593.422309][ T7962]  device_add+0x289/0x1a90
[  593.426798][ T7962]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  593.433808][ T7962]  ? __init_waitqueue_head+0xca/0x150
[  593.439251][ T7962]  tty_register_device_attr+0x382/0x7c0
[  593.444858][ T7962]  ? lockdep_init_map_type+0x16d/0x7c0
[  593.450379][ T7962]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  593.456018][ T7962]  ? lockdep_init_map_type+0x16d/0x7c0
[  593.461548][ T7962]  ? __raw_spin_lock_init+0x3a/0x110
[  593.466922][ T7962]  ? tty_port_init+0x156/0x1b0
[  593.471899][ T7962]  gsm_activate_mux+0x170/0x2f0
[  593.476824][ T7962]  gsmld_ioctl+0x876/0x1510
[  593.481401][ T7962]  ? gsm_dlci_config+0xf00/0xf00
[  593.486411][ T7962]  ? __ldsem_down_read_nested+0xe4/0x910
[  593.492100][ T7962]  ? __ldsem_down_read_nested+0xf4/0x910
[  593.497802][ T7962]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  593.503260][ T7962]  ? vt_waitactive+0x360/0x360
[  593.508102][ T7962]  ? gsm_dlci_config+0xf00/0xf00
[  593.513112][ T7962]  tty_ioctl+0x6f8/0x1550
[  593.517509][ T7962]  ? send_break+0x3e0/0x3e0
[  593.522098][ T7962]  ? reacquire_held_locks+0x4b0/0x4b0
[  593.527532][ T7962]  ? rcu_is_watching+0x12/0xb0
[  593.532358][ T7962]  ? do_one_initcall+0xf0/0x620
[  593.537277][ T7962]  ? __fget_files+0x272/0x410
[  593.542021][ T7962]  ? bpf_lsm_file_ioctl+0x9/0x10
[  593.547028][ T7962]  ? send_break+0x3e0/0x3e0
[  593.551687][ T7962]  __x64_sys_ioctl+0x18f/0x210
[  593.557051][ T7962]  do_syscall_64+0x38/0xb0
[  593.561788][ T7962]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  593.567739][ T7962] RIP: 0033:0x7fe65e0fd6e9
[  593.572329][ T7962] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  593.592858][ T7962] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  593.601580][ T7962] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  593.609778][ T7962] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  593.618757][ T7962] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  593.626878][ T7962] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  593.634897][ T7962] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  593.642934][ T7962]  </TASK>
[  593.650676][ T7962] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  593.956163][ T7965] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  593.971338][ T7965] CPU: 0 PID: 7965 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  593.980786][ T7965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  593.991582][ T7965] Call Trace:
[  593.994899][ T7965]  <TASK>
[  593.998032][ T7965]  dump_stack_lvl+0x125/0x1b0
[  594.002855][ T7965]  sysfs_warn_dup+0x7f/0xa0
[  594.007589][ T7965]  sysfs_create_dir_ns+0x237/0x290
[  594.012758][ T7965]  ? sysfs_create_mount_point+0xb0/0xb0
[  594.018536][ T7965]  ? spin_bug+0x1d0/0x1d0
[  594.023024][ T7965]  ? class_dir_child_ns_type+0xd/0x60
[  594.028540][ T7965]  kobject_add_internal+0x2c8/0x960
[  594.033872][ T7965]  kobject_add+0x154/0x220
[  594.038329][ T7965]  ? kset_create_and_add+0x190/0x190
[  594.043729][ T7965]  ? do_raw_spin_unlock+0x173/0x230
[  594.048969][ T7965]  ? kobject_put+0xbe/0x440
[  594.053590][ T7965]  device_add+0x289/0x1a90
[  594.058056][ T7965]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  594.065110][ T7965]  ? __init_waitqueue_head+0xca/0x150
[  594.070527][ T7965]  tty_register_device_attr+0x382/0x7c0
[  594.076194][ T7965]  ? lockdep_init_map_type+0x16d/0x7c0
[  594.081776][ T7965]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  594.087519][ T7965]  ? lockdep_init_map_type+0x16d/0x7c0
[  594.093012][ T7965]  ? __raw_spin_lock_init+0x3a/0x110
[  594.098329][ T7965]  ? tty_port_init+0x156/0x1b0
[  594.103209][ T7965]  gsm_activate_mux+0x170/0x2f0
[  594.108178][ T7965]  gsmld_ioctl+0x876/0x1510
[  594.112717][ T7965]  ? gsm_dlci_config+0xf00/0xf00
[  594.117774][ T7965]  ? __ldsem_down_read_nested+0xe4/0x910
[  594.123447][ T7965]  ? __ldsem_down_read_nested+0xf4/0x910
[  594.129198][ T7965]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  594.134715][ T7965]  ? vt_waitactive+0x360/0x360
[  594.139607][ T7965]  ? gsm_dlci_config+0xf00/0xf00
[  594.144577][ T7965]  tty_ioctl+0x6f8/0x1550
[  594.148945][ T7965]  ? send_break+0x3e0/0x3e0
[  594.153483][ T7965]  ? reacquire_held_locks+0x4b0/0x4b0
[  594.158880][ T7965]  ? rcu_is_watching+0x12/0xb0
[  594.163839][ T7965]  ? do_one_initcall+0xf0/0x620
[  594.168908][ T7965]  ? __fget_files+0x272/0x410
[  594.173636][ T7965]  ? bpf_lsm_file_ioctl+0x9/0x10
[  594.178710][ T7965]  ? send_break+0x3e0/0x3e0
[  594.183608][ T7965]  __x64_sys_ioctl+0x18f/0x210
[  594.188429][ T7965]  do_syscall_64+0x38/0xb0
[  594.192874][ T7965]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  594.198795][ T7965] RIP: 0033:0x7fe65e0fd6e9
[  594.203227][ T7965] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  594.223034][ T7965] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  594.231555][ T7965] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  594.239543][ T7965] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  594.247789][ T7965] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  594.255796][ T7965] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  594.263777][ T7965] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  594.271889][ T7965]  </TASK>
[  594.276747][ T7965] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  594.294024][ T7965] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  594.307627][ T7965] CPU: 1 PID: 7965 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  594.316981][ T7965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  594.327350][ T7965] Call Trace:
[  594.330681][ T7965]  <TASK>
[  594.333651][ T7965]  dump_stack_lvl+0x125/0x1b0
[  594.339086][ T7965]  sysfs_warn_dup+0x7f/0xa0
[  594.343665][ T7965]  sysfs_create_dir_ns+0x237/0x290
[  594.348930][ T7965]  ? sysfs_create_mount_point+0xb0/0xb0
[  594.354714][ T7965]  ? spin_bug+0x1d0/0x1d0
[  594.359113][ T7965]  ? class_dir_child_ns_type+0xd/0x60
[  594.364841][ T7965]  kobject_add_internal+0x2c8/0x960
[  594.370204][ T7965]  kobject_add+0x154/0x220
[  594.374860][ T7965]  ? kset_create_and_add+0x190/0x190
[  594.380297][ T7965]  ? do_raw_spin_unlock+0x173/0x230
[  594.385569][ T7965]  ? kobject_put+0xbe/0x440
[  594.390315][ T7965]  device_add+0x289/0x1a90
[  594.394904][ T7965]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  594.401820][ T7965]  ? __init_waitqueue_head+0xca/0x150
[  594.407538][ T7965]  tty_register_device_attr+0x382/0x7c0
[  594.413329][ T7965]  ? lockdep_init_map_type+0x16d/0x7c0
[  594.418937][ T7965]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  594.424544][ T7965]  ? lockdep_init_map_type+0x16d/0x7c0
[  594.430159][ T7965]  ? __raw_spin_lock_init+0x3a/0x110
[  594.435867][ T7965]  ? tty_port_init+0x156/0x1b0
[  594.440875][ T7965]  gsm_activate_mux+0x170/0x2f0
[  594.445878][ T7965]  gsmld_ioctl+0x876/0x1510
[  594.452292][ T7965]  ? gsm_dlci_config+0xf00/0xf00
[  594.457388][ T7965]  ? __ldsem_down_read_nested+0xe4/0x910
[  594.463167][ T7965]  ? __ldsem_down_read_nested+0xf4/0x910
[  594.468869][ T7965]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  594.474322][ T7965]  ? vt_waitactive+0x360/0x360
[  594.479168][ T7965]  ? gsm_dlci_config+0xf00/0xf00
[  594.484173][ T7965]  tty_ioctl+0x6f8/0x1550
[  594.488847][ T7965]  ? send_break+0x3e0/0x3e0
[  594.493425][ T7965]  ? reacquire_held_locks+0x4b0/0x4b0
[  594.498858][ T7965]  ? rcu_is_watching+0x12/0xb0
[  594.503855][ T7965]  ? do_one_initcall+0xf0/0x620
[  594.508798][ T7965]  ? __fget_files+0x272/0x410
[  594.513544][ T7965]  ? bpf_lsm_file_ioctl+0x9/0x10
[  594.518630][ T7965]  ? send_break+0x3e0/0x3e0
[  594.523225][ T7965]  __x64_sys_ioctl+0x18f/0x210
[  594.528175][ T7965]  do_syscall_64+0x38/0xb0
[  594.532651][ T7965]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  594.538602][ T7965] RIP: 0033:0x7fe65e0fd6e9
[  594.543059][ T7965] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  594.562819][ T7965] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  594.571298][ T7965] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  594.579633][ T7965] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  594.587781][ T7965] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  594.595925][ T7965] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  594.604009][ T7965] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  594.612080][ T7965]  </TASK>
[  594.618023][ T7965] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  594.894106][ T7968] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  594.903157][ T7968] CPU: 1 PID: 7968 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  594.912678][ T7968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  594.922861][ T7968] Call Trace:
[  594.926183][ T7968]  <TASK>
[  594.929161][ T7968]  dump_stack_lvl+0x125/0x1b0
[  594.934001][ T7968]  sysfs_warn_dup+0x7f/0xa0
[  594.938735][ T7968]  sysfs_create_dir_ns+0x237/0x290
[  594.943909][ T7968]  ? sysfs_create_mount_point+0xb0/0xb0
[  594.949512][ T7968]  ? spin_bug+0x1d0/0x1d0
[  594.953913][ T7968]  ? class_dir_child_ns_type+0xd/0x60
[  594.959488][ T7968]  kobject_add_internal+0x2c8/0x960
[  594.964847][ T7968]  kobject_add+0x154/0x220
[  594.969333][ T7968]  ? kset_create_and_add+0x190/0x190
[  594.974874][ T7968]  ? do_raw_spin_unlock+0x173/0x230
[  594.980233][ T7968]  ? kobject_put+0xbe/0x440
[  594.984813][ T7968]  device_add+0x289/0x1a90
[  594.989388][ T7968]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  594.996315][ T7968]  ? __init_waitqueue_head+0xca/0x150
[  595.002027][ T7968]  tty_register_device_attr+0x382/0x7c0
[  595.007740][ T7968]  ? lockdep_init_map_type+0x16d/0x7c0
[  595.013924][ T7968]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  595.019559][ T7968]  ? lockdep_init_map_type+0x16d/0x7c0
[  595.025350][ T7968]  ? __raw_spin_lock_init+0x3a/0x110
[  595.030798][ T7968]  ? tty_port_init+0x156/0x1b0
[  595.035803][ T7968]  gsm_activate_mux+0x170/0x2f0
[  595.041074][ T7968]  gsmld_ioctl+0x876/0x1510
[  595.045834][ T7968]  ? gsm_dlci_config+0xf00/0xf00
[  595.051382][ T7968]  ? __ldsem_down_read_nested+0xe4/0x910
[  595.057071][ T7968]  ? __ldsem_down_read_nested+0xf4/0x910
[  595.063119][ T7968]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  595.068573][ T7968]  ? vt_waitactive+0x360/0x360
[  595.073412][ T7968]  ? gsm_dlci_config+0xf00/0xf00
[  595.078421][ T7968]  tty_ioctl+0x6f8/0x1550
[  595.082826][ T7968]  ? send_break+0x3e0/0x3e0
[  595.087409][ T7968]  ? reacquire_held_locks+0x4b0/0x4b0
[  595.092879][ T7968]  ? rcu_is_watching+0x12/0xb0
[  595.097965][ T7968]  ? do_one_initcall+0xf0/0x620
[  595.102894][ T7968]  ? __fget_files+0x272/0x410
[  595.107726][ T7968]  ? bpf_lsm_file_ioctl+0x9/0x10
[  595.112720][ T7968]  ? send_break+0x3e0/0x3e0
[  595.117462][ T7968]  __x64_sys_ioctl+0x18f/0x210
[  595.122296][ T7968]  do_syscall_64+0x38/0xb0
[  595.126938][ T7968]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  595.132891][ T7968] RIP: 0033:0x7fe65e0fd6e9
[  595.137353][ T7968] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  595.157279][ T7968] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  595.166000][ T7968] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  595.174363][ T7968] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  595.182486][ T7968] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  595.190764][ T7968] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  595.199051][ T7968] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  595.207096][ T7968]  </TASK>
[  595.218096][ T7968] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  595.527553][ T7971] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  595.540885][ T7971] CPU: 0 PID: 7971 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  595.550152][ T7971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  595.560336][ T7971] Call Trace:
[  595.563650][ T7971]  <TASK>
[  595.566626][ T7971]  dump_stack_lvl+0x125/0x1b0
[  595.572140][ T7971]  sysfs_warn_dup+0x7f/0xa0
[  595.576879][ T7971]  sysfs_create_dir_ns+0x237/0x290
[  595.582067][ T7971]  ? sysfs_create_mount_point+0xb0/0xb0
[  595.587754][ T7971]  ? spin_bug+0x1d0/0x1d0
[  595.592164][ T7971]  ? class_dir_child_ns_type+0xd/0x60
[  595.597775][ T7971]  kobject_add_internal+0x2c8/0x960
[  595.603018][ T7971]  kobject_add+0x154/0x220
[  595.607486][ T7971]  ? kset_create_and_add+0x190/0x190
[  595.613060][ T7971]  ? do_raw_spin_unlock+0x173/0x230
[  595.618375][ T7971]  ? kobject_put+0xbe/0x440
[  595.622913][ T7971]  device_add+0x289/0x1a90
[  595.627371][ T7971]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  595.634255][ T7971]  ? __init_waitqueue_head+0xca/0x150
[  595.639670][ T7971]  tty_register_device_attr+0x382/0x7c0
[  595.645258][ T7971]  ? lockdep_init_map_type+0x16d/0x7c0
[  595.650745][ T7971]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  595.656410][ T7971]  ? lockdep_init_map_type+0x16d/0x7c0
[  595.661991][ T7971]  ? __raw_spin_lock_init+0x3a/0x110
[  595.667503][ T7971]  ? tty_port_init+0x156/0x1b0
[  595.672429][ T7971]  gsm_activate_mux+0x170/0x2f0
[  595.677440][ T7971]  gsmld_ioctl+0x876/0x1510
[  595.682078][ T7971]  ? gsm_dlci_config+0xf00/0xf00
[  595.687055][ T7971]  ? __ldsem_down_read_nested+0xe4/0x910
[  595.692792][ T7971]  ? __ldsem_down_read_nested+0xf4/0x910
[  595.698456][ T7971]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  595.703869][ T7971]  ? vt_waitactive+0x360/0x360
[  595.708672][ T7971]  ? gsm_dlci_config+0xf00/0xf00
[  595.713813][ T7971]  tty_ioctl+0x6f8/0x1550
[  595.718280][ T7971]  ? send_break+0x3e0/0x3e0
[  595.723076][ T7971]  ? reacquire_held_locks+0x4b0/0x4b0
[  595.728562][ T7971]  ? rcu_is_watching+0x12/0xb0
[  595.733442][ T7971]  ? __fget_files+0x272/0x410
[  595.738153][ T7971]  ? bpf_lsm_file_ioctl+0x9/0x10
[  595.743467][ T7971]  ? send_break+0x3e0/0x3e0
[  595.748026][ T7971]  __x64_sys_ioctl+0x18f/0x210
[  595.753024][ T7971]  do_syscall_64+0x38/0xb0
[  595.757494][ T7971]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  595.763851][ T7971] RIP: 0033:0x7fe65e0fd6e9
[  595.768373][ T7971] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  595.789184][ T7971] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  595.797963][ T7971] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  595.805947][ T7971] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  595.813931][ T7971] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  595.822008][ T7971] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  595.829992][ T7971] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  595.837991][ T7971]  </TASK>
[  595.841848][ T7972] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  595.850402][ T7972] CPU: 0 PID: 7972 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  595.859800][ T7972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  595.869953][ T7972] Call Trace:
[  595.873243][ T7972]  <TASK>
[  595.876354][ T7972]  dump_stack_lvl+0x125/0x1b0
[  595.881139][ T7972]  sysfs_warn_dup+0x7f/0xa0
[  595.886106][ T7972]  sysfs_create_dir_ns+0x237/0x290
[  595.891247][ T7972]  ? sysfs_create_mount_point+0xb0/0xb0
[  595.896809][ T7972]  ? spin_bug+0x1d0/0x1d0
[  595.901446][ T7972]  ? class_dir_child_ns_type+0xd/0x60
[  595.906841][ T7972]  kobject_add_internal+0x2c8/0x960
[  595.912269][ T7972]  kobject_add+0x154/0x220
[  595.916717][ T7972]  ? kset_create_and_add+0x190/0x190
[  595.922050][ T7972]  ? do_raw_spin_unlock+0x173/0x230
[  595.927368][ T7972]  ? kobject_put+0xbe/0x440
[  595.931900][ T7972]  device_add+0x289/0x1a90
[  595.936360][ T7972]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  595.943244][ T7972]  ? __init_waitqueue_head+0xca/0x150
[  595.948682][ T7972]  tty_register_device_attr+0x382/0x7c0
[  595.954423][ T7972]  ? lockdep_init_map_type+0x16d/0x7c0
[  595.960085][ T7972]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  595.965845][ T7972]  ? lockdep_init_map_type+0x16d/0x7c0
[  595.971336][ T7972]  ? __raw_spin_lock_init+0x3a/0x110
[  595.976659][ T7972]  ? tty_port_init+0x156/0x1b0
[  595.981656][ T7972]  gsm_activate_mux+0x170/0x2f0
[  595.986696][ T7972]  gsmld_ioctl+0x876/0x1510
[  595.991346][ T7972]  ? gsm_dlci_config+0xf00/0xf00
[  595.996412][ T7972]  ? __ldsem_down_read_nested+0xe4/0x910
[  596.002082][ T7972]  ? __ldsem_down_read_nested+0xf4/0x910
[  596.007752][ T7972]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  596.013250][ T7972]  ? vt_waitactive+0x360/0x360
[  596.018146][ T7972]  ? gsm_dlci_config+0xf00/0xf00
[  596.023124][ T7972]  tty_ioctl+0x6f8/0x1550
[  596.027487][ T7972]  ? send_break+0x3e0/0x3e0
[  596.032114][ T7972]  ? reacquire_held_locks+0x4b0/0x4b0
[  596.037621][ T7972]  ? sigprocmask+0xf1/0x330
[  596.042161][ T7972]  ? do_sigtimedwait+0x5c0/0x5c0
[  596.047140][ T7972]  ? __fget_files+0x272/0x410
[  596.051939][ T7972]  ? bpf_lsm_file_ioctl+0x9/0x10
[  596.056899][ T7972]  ? send_break+0x3e0/0x3e0
[  596.061515][ T7972]  __x64_sys_ioctl+0x18f/0x210
[  596.066488][ T7972]  do_syscall_64+0x38/0xb0
[  596.070929][ T7972]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  596.076846][ T7972] RIP: 0033:0x7fe65e0fd6e9
[  596.081286][ T7972] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  596.100994][ T7972] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  596.109860][ T7972] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  596.117848][ T7972] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  596.126094][ T7972] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  596.134087][ T7972] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  596.142077][ T7972] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  596.150089][ T7972]  </TASK>
[  596.154575][ T7971] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  596.176178][ T7972] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  596.612873][ T7975] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  596.629539][ T7975] CPU: 1 PID: 7975 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  596.639077][ T7975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  596.649182][ T7975] Call Trace:
[  596.652500][ T7975]  <TASK>
[  596.655466][ T7975]  dump_stack_lvl+0x125/0x1b0
[  596.660198][ T7975]  sysfs_warn_dup+0x7f/0xa0
[  596.664774][ T7975]  sysfs_create_dir_ns+0x237/0x290
[  596.670038][ T7975]  ? sysfs_create_mount_point+0xb0/0xb0
[  596.675829][ T7975]  ? spin_bug+0x1d0/0x1d0
[  596.680233][ T7975]  ? class_dir_child_ns_type+0xd/0x60
[  596.685673][ T7975]  kobject_add_internal+0x2c8/0x960
[  596.690938][ T7975]  kobject_add+0x154/0x220
[  596.695622][ T7975]  ? kset_create_and_add+0x190/0x190
[  596.700976][ T7975]  ? do_raw_spin_unlock+0x173/0x230
[  596.706254][ T7975]  ? kobject_put+0xbe/0x440
[  596.710922][ T7975]  device_add+0x289/0x1a90
[  596.715406][ T7975]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  596.722360][ T7975]  ? __init_waitqueue_head+0xca/0x150
[  596.727983][ T7975]  tty_register_device_attr+0x382/0x7c0
[  596.733605][ T7975]  ? lockdep_init_map_type+0x16d/0x7c0
[  596.739356][ T7975]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  596.745073][ T7975]  ? lockdep_init_map_type+0x16d/0x7c0
[  596.750866][ T7975]  ? __raw_spin_lock_init+0x3a/0x110
[  596.756222][ T7975]  ? tty_port_init+0x156/0x1b0
[  596.761735][ T7975]  gsm_activate_mux+0x170/0x2f0
[  596.766654][ T7975]  gsmld_ioctl+0x876/0x1510
[  596.771494][ T7975]  ? gsm_dlci_config+0xf00/0xf00
[  596.776511][ T7975]  ? __ldsem_down_read_nested+0xe4/0x910
[  596.782287][ T7975]  ? __ldsem_down_read_nested+0xf4/0x910
[  596.787997][ T7975]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  596.793583][ T7975]  ? vt_waitactive+0x360/0x360
[  596.798498][ T7975]  ? gsm_dlci_config+0xf00/0xf00
[  596.803500][ T7975]  tty_ioctl+0x6f8/0x1550
[  596.807901][ T7975]  ? send_break+0x3e0/0x3e0
[  596.812564][ T7975]  ? reacquire_held_locks+0x4b0/0x4b0
[  596.818102][ T7975]  ? rcu_is_watching+0x12/0xb0
[  596.823554][ T7975]  ? do_one_initcall+0xf0/0x620
[  596.828559][ T7975]  ? __fget_files+0x272/0x410
[  596.833837][ T7975]  ? bpf_lsm_file_ioctl+0x9/0x10
[  596.838835][ T7975]  ? send_break+0x3e0/0x3e0
[  596.843487][ T7975]  __x64_sys_ioctl+0x18f/0x210
[  596.848571][ T7975]  do_syscall_64+0x38/0xb0
[  596.853068][ T7975]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  596.859032][ T7975] RIP: 0033:0x7fe65e0fd6e9
[  596.863570][ T7975] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  596.883408][ T7975] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  596.892069][ T7975] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  596.900318][ T7975] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  596.908356][ T7975] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  596.916515][ T7975] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  596.924968][ T7975] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  596.933879][ T7975]  </TASK>
[  596.948388][ T7975] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  597.248474][ T7979] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  597.259916][ T7979] CPU: 1 PID: 7979 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  597.269357][ T7979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  597.279548][ T7979] Call Trace:
[  597.282871][ T7979]  <TASK>
[  597.285845][ T7979]  dump_stack_lvl+0x125/0x1b0
[  597.290671][ T7979]  sysfs_warn_dup+0x7f/0xa0
[  597.295360][ T7979]  sysfs_create_dir_ns+0x237/0x290
[  597.300713][ T7979]  ? sysfs_create_mount_point+0xb0/0xb0
[  597.306507][ T7979]  ? spin_bug+0x1d0/0x1d0
[  597.311035][ T7979]  ? class_dir_child_ns_type+0xd/0x60
[  597.316484][ T7979]  kobject_add_internal+0x2c8/0x960
[  597.321840][ T7979]  kobject_add+0x154/0x220
[  597.326495][ T7979]  ? kset_create_and_add+0x190/0x190
[  597.332036][ T7979]  ? do_raw_spin_unlock+0x173/0x230
[  597.337632][ T7979]  ? kobject_put+0xbe/0x440
[  597.342212][ T7979]  device_add+0x289/0x1a90
[  597.346802][ T7979]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  597.353902][ T7979]  ? __init_waitqueue_head+0xca/0x150
[  597.359381][ T7979]  tty_register_device_attr+0x382/0x7c0
[  597.365181][ T7979]  ? lockdep_init_map_type+0x16d/0x7c0
[  597.370721][ T7979]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  597.376767][ T7979]  ? lockdep_init_map_type+0x16d/0x7c0
[  597.382358][ T7979]  ? __raw_spin_lock_init+0x3a/0x110
[  597.387720][ T7979]  ? tty_port_init+0x156/0x1b0
[  597.392550][ T7979]  gsm_activate_mux+0x170/0x2f0
[  597.397476][ T7979]  gsmld_ioctl+0x876/0x1510
[  597.402069][ T7979]  ? gsm_dlci_config+0xf00/0xf00
[  597.407086][ T7979]  ? __ldsem_down_read_nested+0xe4/0x910
[  597.412953][ T7979]  ? __ldsem_down_read_nested+0xf4/0x910
[  597.418749][ T7979]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  597.424728][ T7979]  ? vt_waitactive+0x360/0x360
[  597.429565][ T7979]  ? gsm_dlci_config+0xf00/0xf00
[  597.434616][ T7979]  tty_ioctl+0x6f8/0x1550
[  597.439032][ T7979]  ? send_break+0x3e0/0x3e0
[  597.443691][ T7979]  ? reacquire_held_locks+0x4b0/0x4b0
[  597.449303][ T7979]  ? rcu_is_watching+0x12/0xb0
[  597.454140][ T7979]  ? do_one_initcall+0xf0/0x620
[  597.459146][ T7979]  ? __fget_files+0x272/0x410
[  597.463910][ T7979]  ? bpf_lsm_file_ioctl+0x9/0x10
[  597.469170][ T7979]  ? send_break+0x3e0/0x3e0
[  597.473753][ T7979]  __x64_sys_ioctl+0x18f/0x210
[  597.478790][ T7979]  do_syscall_64+0x38/0xb0
[  597.483348][ T7979]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  597.489385][ T7979] RIP: 0033:0x7fe65e0fd6e9
[  597.493856][ T7979] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  597.514406][ T7979] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  597.522879][ T7979] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  597.531433][ T7979] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  597.539625][ T7979] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  597.547818][ T7979] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  597.556132][ T7979] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  597.564349][ T7979]  </TASK>
[  597.596963][ T7979] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  597.888239][ T7982] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  597.909996][ T7982] CPU: 0 PID: 7982 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  597.919537][ T7982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  597.929640][ T7982] Call Trace:
[  597.932952][ T7982]  <TASK>
[  597.935917][ T7982]  dump_stack_lvl+0x125/0x1b0
[  597.940733][ T7982]  sysfs_warn_dup+0x7f/0xa0
[  597.945315][ T7982]  sysfs_create_dir_ns+0x237/0x290
[  597.950483][ T7982]  ? sysfs_create_mount_point+0xb0/0xb0
[  597.956166][ T7982]  ? spin_bug+0x1d0/0x1d0
[  597.960542][ T7982]  ? class_dir_child_ns_type+0xd/0x60
[  597.966157][ T7982]  kobject_add_internal+0x2c8/0x960
[  597.971688][ T7982]  kobject_add+0x154/0x220
[  597.976168][ T7982]  ? kset_create_and_add+0x190/0x190
[  597.981618][ T7982]  ? do_raw_spin_unlock+0x173/0x230
[  597.987751][ T7982]  ? kobject_put+0xbe/0x440
[  597.992428][ T7982]  device_add+0x289/0x1a90
[  597.996908][ T7982]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  598.003842][ T7982]  ? __init_waitqueue_head+0xca/0x150
[  598.009291][ T7982]  tty_register_device_attr+0x382/0x7c0
[  598.014909][ T7982]  ? lockdep_init_map_type+0x16d/0x7c0
[  598.020508][ T7982]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  598.026526][ T7982]  ? lockdep_init_map_type+0x16d/0x7c0
[  598.032284][ T7982]  ? __raw_spin_lock_init+0x3a/0x110
[  598.037774][ T7982]  ? tty_port_init+0x156/0x1b0
[  598.042570][ T7982]  gsm_activate_mux+0x170/0x2f0
[  598.047549][ T7982]  gsmld_ioctl+0x876/0x1510
[  598.052090][ T7982]  ? gsm_dlci_config+0xf00/0xf00
[  598.057060][ T7982]  ? __ldsem_down_read_nested+0xe4/0x910
[  598.062885][ T7982]  ? __ldsem_down_read_nested+0xf4/0x910
[  598.068546][ T7982]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  598.073959][ T7982]  ? vt_waitactive+0x360/0x360
[  598.078843][ T7982]  ? gsm_dlci_config+0xf00/0xf00
[  598.083903][ T7982]  tty_ioctl+0x6f8/0x1550
[  598.088262][ T7982]  ? send_break+0x3e0/0x3e0
[  598.092966][ T7982]  ? reacquire_held_locks+0x4b0/0x4b0
[  598.098361][ T7982]  ? rcu_is_watching+0x12/0xb0
[  598.103162][ T7982]  ? do_one_initcall+0xf0/0x620
[  598.108046][ T7982]  ? __fget_files+0x272/0x410
[  598.112756][ T7982]  ? bpf_lsm_file_ioctl+0x9/0x10
[  598.117719][ T7982]  ? send_break+0x3e0/0x3e0
[  598.122250][ T7982]  __x64_sys_ioctl+0x18f/0x210
[  598.127098][ T7982]  do_syscall_64+0x38/0xb0
[  598.131629][ T7982]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  598.137545][ T7982] RIP: 0033:0x7fe65e0fd6e9
[  598.141974][ T7982] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  598.161862][ T7982] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  598.170291][ T7982] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  598.178273][ T7982] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  598.186340][ T7982] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  598.194409][ T7982] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  598.202402][ T7982] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  598.210405][ T7982]  </TASK>
[  598.215561][ T7982] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  598.600419][ T7985] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  598.610621][ T7985] CPU: 1 PID: 7985 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  598.620007][ T7985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  598.630202][ T7985] Call Trace:
[  598.633601][ T7985]  <TASK>
[  598.636562][ T7985]  dump_stack_lvl+0x125/0x1b0
[  598.641298][ T7985]  sysfs_warn_dup+0x7f/0xa0
[  598.645853][ T7985]  sysfs_create_dir_ns+0x237/0x290
[  598.651023][ T7985]  ? sysfs_create_mount_point+0xb0/0xb0
[  598.656902][ T7985]  ? spin_bug+0x1d0/0x1d0
[  598.661400][ T7985]  ? class_dir_child_ns_type+0xd/0x60
[  598.666835][ T7985]  kobject_add_internal+0x2c8/0x960
[  598.672106][ T7985]  kobject_add+0x154/0x220
[  598.676580][ T7985]  ? kset_create_and_add+0x190/0x190
[  598.681933][ T7985]  ? do_raw_spin_unlock+0x173/0x230
[  598.687204][ T7985]  ? kobject_put+0xbe/0x440
[  598.691873][ T7985]  device_add+0x289/0x1a90
[  598.696391][ T7985]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  598.703295][ T7985]  ? __init_waitqueue_head+0xca/0x150
[  598.708891][ T7985]  tty_register_device_attr+0x382/0x7c0
[  598.714477][ T7985]  ? lockdep_init_map_type+0x16d/0x7c0
[  598.720233][ T7985]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  598.725817][ T7985]  ? lockdep_init_map_type+0x16d/0x7c0
[  598.731569][ T7985]  ? __raw_spin_lock_init+0x3a/0x110
[  598.736886][ T7985]  ? tty_port_init+0x156/0x1b0
[  598.741848][ T7985]  gsm_activate_mux+0x170/0x2f0
[  598.746739][ T7985]  gsmld_ioctl+0x876/0x1510
[  598.751411][ T7985]  ? gsm_dlci_config+0xf00/0xf00
[  598.756385][ T7985]  ? __ldsem_down_read_nested+0xe4/0x910
[  598.762127][ T7985]  ? __ldsem_down_read_nested+0xf4/0x910
[  598.767787][ T7985]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  598.773205][ T7985]  ? vt_waitactive+0x360/0x360
[  598.778002][ T7985]  ? gsm_dlci_config+0xf00/0xf00
[  598.782969][ T7985]  tty_ioctl+0x6f8/0x1550
[  598.787336][ T7985]  ? send_break+0x3e0/0x3e0
[  598.791867][ T7985]  ? reacquire_held_locks+0x4b0/0x4b0
[  598.797269][ T7985]  ? rcu_is_watching+0x12/0xb0
[  598.802059][ T7985]  ? do_one_initcall+0xf0/0x620
[  598.806948][ T7985]  ? __fget_files+0x272/0x410
[  598.811660][ T7985]  ? bpf_lsm_file_ioctl+0x9/0x10
[  598.816795][ T7985]  ? send_break+0x3e0/0x3e0
[  598.821419][ T7985]  __x64_sys_ioctl+0x18f/0x210
[  598.826221][ T7985]  do_syscall_64+0x38/0xb0
[  598.830655][ T7985]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  598.836571][ T7985] RIP: 0033:0x7fe65e0fd6e9
[  598.840998][ T7985] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  598.860627][ T7985] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  598.869064][ T7985] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  598.877220][ T7985] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  598.885203][ T7985] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  598.893270][ T7985] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  598.901261][ T7985] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  598.909347][ T7985]  </TASK>
[  598.914527][ T7986] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  598.923274][ T7986] CPU: 1 PID: 7986 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  598.923459][ T7985] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  598.932645][ T7986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  598.956690][ T7986] Call Trace:
[  598.960017][ T7986]  <TASK>
[  598.963067][ T7986]  dump_stack_lvl+0x125/0x1b0
[  598.968066][ T7986]  sysfs_warn_dup+0x7f/0xa0
[  598.972709][ T7986]  sysfs_create_dir_ns+0x237/0x290
[  598.977986][ T7986]  ? sysfs_create_mount_point+0xb0/0xb0
[  598.983590][ T7986]  ? spin_bug+0x1d0/0x1d0
[  598.988005][ T7986]  ? class_dir_child_ns_type+0xd/0x60
[  598.993520][ T7986]  kobject_add_internal+0x2c8/0x960
[  598.998779][ T7986]  kobject_add+0x154/0x220
[  599.003293][ T7986]  ? kset_create_and_add+0x190/0x190
[  599.008720][ T7986]  ? do_raw_spin_unlock+0x173/0x230
[  599.013992][ T7986]  ? kobject_put+0xbe/0x440
[  599.018594][ T7986]  device_add+0x289/0x1a90
[  599.023295][ T7986]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  599.030496][ T7986]  ? __init_waitqueue_head+0xca/0x150
[  599.036085][ T7986]  tty_register_device_attr+0x382/0x7c0
[  599.041839][ T7986]  ? lockdep_init_map_type+0x16d/0x7c0
[  599.047329][ T7986]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  599.052908][ T7986]  ? lockdep_init_map_type+0x16d/0x7c0
[  599.058403][ T7986]  ? __raw_spin_lock_init+0x3a/0x110
[  599.063990][ T7986]  ? tty_port_init+0x156/0x1b0
[  599.068953][ T7986]  gsm_activate_mux+0x170/0x2f0
[  599.073837][ T7986]  gsmld_ioctl+0x876/0x1510
[  599.078384][ T7986]  ? gsm_dlci_config+0xf00/0xf00
[  599.083357][ T7986]  ? __ldsem_down_read_nested+0xe4/0x910
[  599.089012][ T7986]  ? __ldsem_down_read_nested+0xf4/0x910
[  599.094671][ T7986]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  599.100129][ T7986]  ? vt_waitactive+0x360/0x360
[  599.104926][ T7986]  ? gsm_dlci_config+0xf00/0xf00
[  599.110164][ T7986]  tty_ioctl+0x6f8/0x1550
[  599.114538][ T7986]  ? send_break+0x3e0/0x3e0
[  599.119080][ T7986]  ? reacquire_held_locks+0x4b0/0x4b0
[  599.124482][ T7986]  ? sigprocmask+0xf1/0x330
[  599.129189][ T7986]  ? do_sigtimedwait+0x5c0/0x5c0
[  599.134167][ T7986]  ? __fget_files+0x272/0x410
[  599.138876][ T7986]  ? bpf_lsm_file_ioctl+0x9/0x10
[  599.143837][ T7986]  ? send_break+0x3e0/0x3e0
[  599.148366][ T7986]  __x64_sys_ioctl+0x18f/0x210
[  599.153160][ T7986]  do_syscall_64+0x38/0xb0
[  599.157600][ T7986]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  599.163881][ T7986] RIP: 0033:0x7fe65e0fd6e9
[  599.168436][ T7986] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  599.188605][ T7986] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  599.197343][ T7986] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  599.205421][ T7986] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  599.213428][ T7986] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  599.221424][ T7986] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  599.229712][ T7986] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  599.237904][ T7986]  </TASK>
[  599.253356][ T7986] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  599.628320][ T7989] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  599.644978][ T7989] CPU: 1 PID: 7989 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  599.654337][ T7989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  599.664435][ T7989] Call Trace:
[  599.667773][ T7989]  <TASK>
[  599.670823][ T7989]  dump_stack_lvl+0x125/0x1b0
[  599.675567][ T7989]  sysfs_warn_dup+0x7f/0xa0
[  599.680209][ T7989]  sysfs_create_dir_ns+0x237/0x290
[  599.685380][ T7989]  ? sysfs_create_mount_point+0xb0/0xb0
[  599.691075][ T7989]  ? spin_bug+0x1d0/0x1d0
[  599.695562][ T7989]  ? class_dir_child_ns_type+0xd/0x60
[  599.700987][ T7989]  kobject_add_internal+0x2c8/0x960
[  599.706245][ T7989]  kobject_add+0x154/0x220
[  599.710715][ T7989]  ? kset_create_and_add+0x190/0x190
[  599.716057][ T7989]  ? do_raw_spin_unlock+0x173/0x230
[  599.721324][ T7989]  ? kobject_put+0xbe/0x440
[  599.725896][ T7989]  device_add+0x289/0x1a90
[  599.730383][ T7989]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  599.737311][ T7989]  ? __init_waitqueue_head+0xca/0x150
[  599.742875][ T7989]  tty_register_device_attr+0x382/0x7c0
[  599.748488][ T7989]  ? lockdep_init_map_type+0x16d/0x7c0
[  599.754104][ T7989]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  599.759715][ T7989]  ? lockdep_init_map_type+0x16d/0x7c0
[  599.765300][ T7989]  ? __raw_spin_lock_init+0x3a/0x110
[  599.770681][ T7989]  ? tty_port_init+0x156/0x1b0
[  599.775512][ T7989]  gsm_activate_mux+0x170/0x2f0
[  599.780443][ T7989]  gsmld_ioctl+0x876/0x1510
[  599.785293][ T7989]  ? gsm_dlci_config+0xf00/0xf00
[  599.790325][ T7989]  ? __ldsem_down_read_nested+0xe4/0x910
[  599.796015][ T7989]  ? __ldsem_down_read_nested+0xf4/0x910
[  599.801726][ T7989]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  599.807171][ T7989]  ? vt_waitactive+0x360/0x360
[  599.812012][ T7989]  ? gsm_dlci_config+0xf00/0xf00
[  599.817025][ T7989]  tty_ioctl+0x6f8/0x1550
[  599.821421][ T7989]  ? send_break+0x3e0/0x3e0
[  599.825993][ T7989]  ? reacquire_held_locks+0x4b0/0x4b0
[  599.831419][ T7989]  ? rcu_is_watching+0x12/0xb0
[  599.836414][ T7989]  ? do_one_initcall+0xf0/0x620
[  599.841416][ T7989]  ? __fget_files+0x272/0x410
[  599.846414][ T7989]  ? bpf_lsm_file_ioctl+0x9/0x10
[  599.851401][ T7989]  ? send_break+0x3e0/0x3e0
[  599.855960][ T7989]  __x64_sys_ioctl+0x18f/0x210
[  599.860805][ T7989]  do_syscall_64+0x38/0xb0
[  599.865273][ T7989]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  599.871397][ T7989] RIP: 0033:0x7fe65e0fd6e9
[  599.875854][ T7989] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  599.895695][ T7989] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  599.904160][ T7989] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  599.912272][ T7989] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  599.920297][ T7989] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  599.928750][ T7989] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  599.936849][ T7989] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  599.944970][ T7989]  </TASK>
[  599.962506][ T7989] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  600.247207][ T7992] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  600.275326][ T7992] CPU: 1 PID: 7992 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  600.284693][ T7992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  600.294790][ T7992] Call Trace:
[  600.298110][ T7992]  <TASK>
[  600.299437][ T7993] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  600.301051][ T7992]  dump_stack_lvl+0x125/0x1b0
[  600.314206][ T7992]  sysfs_warn_dup+0x7f/0xa0
[  600.318874][ T7992]  sysfs_create_dir_ns+0x237/0x290
[  600.324383][ T7992]  ? sysfs_create_mount_point+0xb0/0xb0
[  600.331096][ T7992]  ? spin_bug+0x1d0/0x1d0
[  600.335924][ T7992]  ? class_dir_child_ns_type+0xd/0x60
[  600.341382][ T7992]  kobject_add_internal+0x2c8/0x960
[  600.346643][ T7992]  kobject_add+0x154/0x220
[  600.351119][ T7992]  ? kset_create_and_add+0x190/0x190
[  600.356535][ T7992]  ? do_raw_spin_unlock+0x173/0x230
[  600.361871][ T7992]  ? kobject_put+0xbe/0x440
[  600.366876][ T7992]  device_add+0x289/0x1a90
[  600.371457][ T7992]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  600.378571][ T7992]  ? __init_waitqueue_head+0xca/0x150
[  600.384020][ T7992]  tty_register_device_attr+0x382/0x7c0
[  600.389632][ T7992]  ? lockdep_init_map_type+0x16d/0x7c0
[  600.395245][ T7992]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  600.401028][ T7992]  ? lockdep_init_map_type+0x16d/0x7c0
[  600.406561][ T7992]  ? __raw_spin_lock_init+0x3a/0x110
[  600.411922][ T7992]  ? tty_port_init+0x156/0x1b0
[  600.416752][ T7992]  gsm_activate_mux+0x170/0x2f0
[  600.421673][ T7992]  gsmld_ioctl+0x876/0x1510
[  600.426515][ T7992]  ? gsm_dlci_config+0xf00/0xf00
[  600.431614][ T7992]  ? __ldsem_down_read_nested+0xe4/0x910
[  600.437437][ T7992]  ? __ldsem_down_read_nested+0xf4/0x910
[  600.443149][ T7992]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  600.448595][ T7992]  ? vt_waitactive+0x360/0x360
[  600.453696][ T7992]  ? gsm_dlci_config+0xf00/0xf00
[  600.458786][ T7992]  tty_ioctl+0x6f8/0x1550
[  600.463299][ T7992]  ? send_break+0x3e0/0x3e0
[  600.467871][ T7992]  ? reacquire_held_locks+0x4b0/0x4b0
[  600.473387][ T7992]  ? rcu_is_watching+0x12/0xb0
[  600.478204][ T7992]  ? do_one_initcall+0xf0/0x620
[  600.483211][ T7992]  ? __fget_files+0x272/0x410
[  600.488304][ T7992]  ? bpf_lsm_file_ioctl+0x9/0x10
[  600.493301][ T7992]  ? send_break+0x3e0/0x3e0
[  600.497867][ T7992]  __x64_sys_ioctl+0x18f/0x210
[  600.502697][ T7992]  do_syscall_64+0x38/0xb0
[  600.507178][ T7992]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  600.513215][ T7992] RIP: 0033:0x7fe65e0fd6e9
[  600.517770][ T7992] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  600.537456][ T7992] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  600.545925][ T7992] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  600.554038][ T7992] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  600.562058][ T7992] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  600.570076][ T7992] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  600.578178][ T7992] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  600.586313][ T7992]  </TASK>
[  600.589823][ T7993] CPU: 0 PID: 7993 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  600.599101][ T7993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  600.609357][ T7993] Call Trace:
[  600.612649][ T7993]  <TASK>
[  600.615678][ T7993]  dump_stack_lvl+0x125/0x1b0
[  600.620384][ T7993]  sysfs_warn_dup+0x7f/0xa0
[  600.624928][ T7993]  sysfs_create_dir_ns+0x237/0x290
[  600.630060][ T7993]  ? sysfs_create_mount_point+0xb0/0xb0
[  600.635804][ T7993]  ? spin_bug+0x1d0/0x1d0
[  600.640176][ T7993]  ? class_dir_child_ns_type+0xd/0x60
[  600.645573][ T7993]  kobject_add_internal+0x2c8/0x960
[  600.650801][ T7993]  kobject_add+0x154/0x220
[  600.655245][ T7993]  ? kset_create_and_add+0x190/0x190
[  600.660639][ T7993]  ? do_raw_spin_unlock+0x173/0x230
[  600.665873][ T7993]  ? kobject_put+0xbe/0x440
[  600.670407][ T7993]  device_add+0x289/0x1a90
[  600.674944][ T7993]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  600.682002][ T7993]  ? __init_waitqueue_head+0xca/0x150
[  600.687491][ T7993]  tty_register_device_attr+0x382/0x7c0
[  600.693065][ T7993]  ? lockdep_init_map_type+0x16d/0x7c0
[  600.698559][ T7993]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  600.704231][ T7993]  ? lockdep_init_map_type+0x16d/0x7c0
[  600.709809][ T7993]  ? __raw_spin_lock_init+0x3a/0x110
[  600.715126][ T7993]  ? tty_port_init+0x156/0x1b0
[  600.720177][ T7993]  gsm_activate_mux+0x170/0x2f0
[  600.725067][ T7993]  gsmld_ioctl+0x876/0x1510
[  600.729632][ T7993]  ? gsm_dlci_config+0xf00/0xf00
[  600.734613][ T7993]  ? __ldsem_down_read_nested+0xe4/0x910
[  600.740265][ T7993]  ? __ldsem_down_read_nested+0xf4/0x910
[  600.745927][ T7993]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  600.751421][ T7993]  ? vt_waitactive+0x360/0x360
[  600.756399][ T7993]  ? gsm_dlci_config+0xf00/0xf00
[  600.761456][ T7993]  tty_ioctl+0x6f8/0x1550
[  600.766142][ T7993]  ? send_break+0x3e0/0x3e0
[  600.770692][ T7993]  ? reacquire_held_locks+0x4b0/0x4b0
[  600.776181][ T7993]  ? sigprocmask+0xf1/0x330
[  600.780727][ T7993]  ? do_sigtimedwait+0x5c0/0x5c0
[  600.785732][ T7993]  ? __fget_files+0x272/0x410
[  600.790561][ T7993]  ? bpf_lsm_file_ioctl+0x9/0x10
[  600.795552][ T7993]  ? send_break+0x3e0/0x3e0
[  600.800120][ T7993]  __x64_sys_ioctl+0x18f/0x210
[  600.805022][ T7993]  do_syscall_64+0x38/0xb0
[  600.809569][ T7993]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  600.815515][ T7993] RIP: 0033:0x7fe65e0fd6e9
[  600.820064][ T7993] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  600.840079][ T7993] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  600.848534][ T7993] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  600.856612][ T7993] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  600.864783][ T7993] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  600.873034][ T7993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  600.881190][ T7993] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  600.889226][ T7993]  </TASK>
[  600.910617][ T7992] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  600.910640][ T7993] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  601.252179][ T7996] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  601.275350][ T7996] CPU: 1 PID: 7996 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  601.284713][ T7996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  601.295435][ T7996] Call Trace:
[  601.298753][ T7996]  <TASK>
[  601.301717][ T7996]  dump_stack_lvl+0x125/0x1b0
[  601.306899][ T7996]  sysfs_warn_dup+0x7f/0xa0
[  601.307937][ T7997] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  601.311438][ T7996]  sysfs_create_dir_ns+0x237/0x290
[  601.325109][ T7996]  ? sysfs_create_mount_point+0xb0/0xb0
[  601.330986][ T7996]  ? spin_bug+0x1d0/0x1d0
[  601.335566][ T7996]  ? class_dir_child_ns_type+0xd/0x60
[  601.341177][ T7996]  kobject_add_internal+0x2c8/0x960
[  601.346452][ T7996]  kobject_add+0x154/0x220
[  601.350938][ T7996]  ? kset_create_and_add+0x190/0x190
[  601.356417][ T7996]  ? do_raw_spin_unlock+0x173/0x230
[  601.361688][ T7996]  ? kobject_put+0xbe/0x440
[  601.366260][ T7996]  device_add+0x289/0x1a90
[  601.370923][ T7996]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  601.377848][ T7996]  ? __init_waitqueue_head+0xca/0x150
[  601.383465][ T7996]  tty_register_device_attr+0x382/0x7c0
[  601.389160][ T7996]  ? lockdep_init_map_type+0x16d/0x7c0
[  601.394661][ T7996]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  601.400240][ T7996]  ? lockdep_init_map_type+0x16d/0x7c0
[  601.405828][ T7996]  ? __raw_spin_lock_init+0x3a/0x110
[  601.411240][ T7996]  ? tty_port_init+0x156/0x1b0
[  601.416128][ T7996]  gsm_activate_mux+0x170/0x2f0
[  601.421106][ T7996]  gsmld_ioctl+0x876/0x1510
[  601.425657][ T7996]  ? gsm_dlci_config+0xf00/0xf00
[  601.430646][ T7996]  ? __ldsem_down_read_nested+0xe4/0x910
[  601.437193][ T7996]  ? __ldsem_down_read_nested+0xf4/0x910
[  601.442868][ T7996]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  601.448382][ T7996]  ? vt_waitactive+0x360/0x360
[  601.453212][ T7996]  ? gsm_dlci_config+0xf00/0xf00
[  601.458312][ T7996]  tty_ioctl+0x6f8/0x1550
[  601.462697][ T7996]  ? send_break+0x3e0/0x3e0
[  601.467351][ T7996]  ? reacquire_held_locks+0x4b0/0x4b0
[  601.472779][ T7996]  ? rcu_is_watching+0x12/0xb0
[  601.477587][ T7996]  ? do_one_initcall+0xf0/0x620
[  601.482492][ T7996]  ? __fget_files+0x272/0x410
[  601.487217][ T7996]  ? bpf_lsm_file_ioctl+0x9/0x10
[  601.492207][ T7996]  ? send_break+0x3e0/0x3e0
[  601.496747][ T7996]  __x64_sys_ioctl+0x18f/0x210
[  601.501648][ T7996]  do_syscall_64+0x38/0xb0
[  601.506104][ T7996]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  601.512037][ T7996] RIP: 0033:0x7fe65e0fd6e9
[  601.516571][ T7996] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  601.536223][ T7996] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  601.544671][ T7996] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  601.552663][ T7996] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  601.560657][ T7996] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  601.568999][ T7996] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  601.577085][ T7996] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  601.585098][ T7996]  </TASK>
[  601.588153][ T7997] CPU: 0 PID: 7997 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  601.597574][ T7997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  601.607657][ T7997] Call Trace:
[  601.610947][ T7997]  <TASK>
[  601.613890][ T7997]  dump_stack_lvl+0x125/0x1b0
[  601.618768][ T7997]  sysfs_warn_dup+0x7f/0xa0
[  601.623387][ T7997]  sysfs_create_dir_ns+0x237/0x290
[  601.628606][ T7997]  ? sysfs_create_mount_point+0xb0/0xb0
[  601.634256][ T7997]  ? spin_bug+0x1d0/0x1d0
[  601.638615][ T7997]  ? class_dir_child_ns_type+0xd/0x60
[  601.644031][ T7997]  kobject_add_internal+0x2c8/0x960
[  601.649259][ T7997]  kobject_add+0x154/0x220
[  601.653696][ T7997]  ? kset_create_and_add+0x190/0x190
[  601.659098][ T7997]  ? do_raw_spin_unlock+0x173/0x230
[  601.664324][ T7997]  ? kobject_put+0xbe/0x440
[  601.668867][ T7997]  device_add+0x289/0x1a90
[  601.673406][ T7997]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  601.680516][ T7997]  ? __init_waitqueue_head+0xca/0x150
[  601.686006][ T7997]  tty_register_device_attr+0x382/0x7c0
[  601.691583][ T7997]  ? lockdep_init_map_type+0x16d/0x7c0
[  601.697065][ T7997]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  601.702807][ T7997]  ? lockdep_init_map_type+0x16d/0x7c0
[  601.708382][ T7997]  ? __raw_spin_lock_init+0x3a/0x110
[  601.713713][ T7997]  ? tty_port_init+0x156/0x1b0
[  601.718507][ T7997]  gsm_activate_mux+0x170/0x2f0
[  601.723627][ T7997]  gsmld_ioctl+0x876/0x1510
[  601.728322][ T7997]  ? gsm_dlci_config+0xf00/0xf00
[  601.733502][ T7997]  ? __ldsem_down_read_nested+0xe4/0x910
[  601.739713][ T7997]  ? __ldsem_down_read_nested+0xf4/0x910
[  601.745376][ T7997]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  601.750782][ T7997]  ? vt_waitactive+0x360/0x360
[  601.755641][ T7997]  ? gsm_dlci_config+0xf00/0xf00
[  601.760617][ T7997]  tty_ioctl+0x6f8/0x1550
[  601.765414][ T7997]  ? send_break+0x3e0/0x3e0
[  601.769947][ T7997]  ? reacquire_held_locks+0x4b0/0x4b0
[  601.775432][ T7997]  ? sigprocmask+0xf1/0x330
[  601.780062][ T7997]  ? do_sigtimedwait+0x5c0/0x5c0
[  601.785125][ T7997]  ? __fget_files+0x272/0x410
[  601.789922][ T7997]  ? bpf_lsm_file_ioctl+0x9/0x10
[  601.794881][ T7997]  ? send_break+0x3e0/0x3e0
[  601.799408][ T7997]  __x64_sys_ioctl+0x18f/0x210
[  601.804291][ T7997]  do_syscall_64+0x38/0xb0
[  601.808821][ T7997]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  601.814736][ T7997] RIP: 0033:0x7fe65e0fd6e9
[  601.819165][ T7997] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  601.838785][ T7997] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  601.847216][ T7997] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  601.855641][ T7997] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  601.863629][ T7997] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  601.871615][ T7997] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  601.879596][ T7997] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  601.887609][ T7997]  </TASK>
[  601.891366][ T7996] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  601.933438][ T7997] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  602.291281][ T8000] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  602.310520][ T8000] CPU: 1 PID: 8000 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  602.319800][ T8000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  602.329900][ T8000] Call Trace:
[  602.333214][ T8000]  <TASK>
[  602.336171][ T8000]  dump_stack_lvl+0x125/0x1b0
[  602.340896][ T8000]  sysfs_warn_dup+0x7f/0xa0
[  602.345453][ T8000]  sysfs_create_dir_ns+0x237/0x290
[  602.350610][ T8000]  ? sysfs_create_mount_point+0xb0/0xb0
[  602.356201][ T8000]  ? spin_bug+0x1d0/0x1d0
[  602.360573][ T8000]  ? class_dir_child_ns_type+0xd/0x60
[  602.365993][ T8000]  kobject_add_internal+0x2c8/0x960
[  602.371253][ T8000]  kobject_add+0x154/0x220
[  602.375707][ T8000]  ? kset_create_and_add+0x190/0x190
[  602.381022][ T8000]  ? do_raw_spin_unlock+0x173/0x230
[  602.386342][ T8000]  ? kobject_put+0xbe/0x440
[  602.390878][ T8000]  device_add+0x289/0x1a90
[  602.395419][ T8000]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  602.402309][ T8000]  ? __init_waitqueue_head+0xca/0x150
[  602.407889][ T8000]  tty_register_device_attr+0x382/0x7c0
[  602.413471][ T8000]  ? lockdep_init_map_type+0x16d/0x7c0
[  602.418962][ T8000]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  602.424543][ T8000]  ? lockdep_init_map_type+0x16d/0x7c0
[  602.430129][ T8000]  ? __raw_spin_lock_init+0x3a/0x110
[  602.435547][ T8000]  ? tty_port_init+0x156/0x1b0
[  602.440335][ T8000]  gsm_activate_mux+0x170/0x2f0
[  602.445240][ T8000]  gsmld_ioctl+0x876/0x1510
[  602.449871][ T8000]  ? gsm_dlci_config+0xf00/0xf00
[  602.454927][ T8000]  ? __ldsem_down_read_nested+0xe4/0x910
[  602.460668][ T8000]  ? __ldsem_down_read_nested+0xf4/0x910
[  602.466344][ T8000]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  602.471758][ T8000]  ? vt_waitactive+0x360/0x360
[  602.477165][ T8000]  ? gsm_dlci_config+0xf00/0xf00
[  602.482252][ T8000]  tty_ioctl+0x6f8/0x1550
[  602.486634][ T8000]  ? send_break+0x3e0/0x3e0
[  602.491209][ T8000]  ? reacquire_held_locks+0x4b0/0x4b0
[  602.496715][ T8000]  ? rcu_is_watching+0x12/0xb0
[  602.501508][ T8000]  ? do_one_initcall+0xf0/0x620
[  602.506440][ T8000]  ? __fget_files+0x272/0x410
[  602.511184][ T8000]  ? bpf_lsm_file_ioctl+0x9/0x10
[  602.516252][ T8000]  ? send_break+0x3e0/0x3e0
[  602.520802][ T8000]  __x64_sys_ioctl+0x18f/0x210
[  602.525984][ T8000]  do_syscall_64+0x38/0xb0
[  602.530535][ T8000]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  602.536841][ T8000] RIP: 0033:0x7fe65e0fd6e9
[  602.541298][ T8000] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  602.561122][ T8000] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  602.569598][ T8000] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  602.578469][ T8000] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  602.586460][ T8000] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  602.594450][ T8000] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  602.602437][ T8000] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  602.610711][ T8000]  </TASK>
[  602.630841][ T8000] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  602.631839][ T8001] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  602.659825][ T8001] CPU: 0 PID: 8001 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  602.669093][ T8001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  602.679191][ T8001] Call Trace:
[  602.682504][ T8001]  <TASK>
[  602.685464][ T8001]  dump_stack_lvl+0x125/0x1b0
[  602.690202][ T8001]  sysfs_warn_dup+0x7f/0xa0
[  602.695434][ T8001]  sysfs_create_dir_ns+0x237/0x290
[  602.700556][ T8001]  ? sysfs_create_mount_point+0xb0/0xb0
[  602.706121][ T8001]  ? spin_bug+0x1d0/0x1d0
[  602.710512][ T8001]  ? class_dir_child_ns_type+0xd/0x60
[  602.716023][ T8001]  kobject_add_internal+0x2c8/0x960
[  602.721372][ T8001]  kobject_add+0x154/0x220
[  602.725842][ T8001]  ? kset_create_and_add+0x190/0x190
[  602.731186][ T8001]  ? do_raw_spin_unlock+0x173/0x230
[  602.736451][ T8001]  ? kobject_put+0xbe/0x440
[  602.742494][ T8001]  device_add+0x289/0x1a90
[  602.746984][ T8001]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  602.753992][ T8001]  ? __init_waitqueue_head+0xca/0x150
[  602.759436][ T8001]  tty_register_device_attr+0x382/0x7c0
[  602.765049][ T8001]  ? lockdep_init_map_type+0x16d/0x7c0
[  602.770577][ T8001]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  602.776267][ T8001]  ? lockdep_init_map_type+0x16d/0x7c0
[  602.781806][ T8001]  ? __raw_spin_lock_init+0x3a/0x110
[  602.787248][ T8001]  ? tty_port_init+0x156/0x1b0
[  602.792070][ T8001]  gsm_activate_mux+0x170/0x2f0
[  602.796988][ T8001]  gsmld_ioctl+0x876/0x1510
[  602.801587][ T8001]  ? gsm_dlci_config+0xf00/0xf00
[  602.806661][ T8001]  ? __ldsem_down_read_nested+0xe4/0x910
[  602.812405][ T8001]  ? __ldsem_down_read_nested+0xf4/0x910
[  602.818191][ T8001]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  602.823722][ T8001]  ? vt_waitactive+0x360/0x360
[  602.828645][ T8001]  ? gsm_dlci_config+0xf00/0xf00
[  602.833647][ T8001]  tty_ioctl+0x6f8/0x1550
[  602.838051][ T8001]  ? send_break+0x3e0/0x3e0
[  602.842705][ T8001]  ? reacquire_held_locks+0x4b0/0x4b0
[  602.849013][ T8001]  ? sigprocmask+0xf1/0x330
[  602.853580][ T8001]  ? do_sigtimedwait+0x5c0/0x5c0
[  602.858591][ T8001]  ? __fget_files+0x272/0x410
[  602.863339][ T8001]  ? bpf_lsm_file_ioctl+0x9/0x10
[  602.868328][ T8001]  ? send_break+0x3e0/0x3e0
[  602.872981][ T8001]  __x64_sys_ioctl+0x18f/0x210
[  602.877804][ T8001]  do_syscall_64+0x38/0xb0
[  602.882289][ T8001]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  602.888268][ T8001] RIP: 0033:0x7fe65e0fd6e9
[  602.893211][ T8001] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  602.913130][ T8001] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  602.921677][ T8001] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  602.929663][ T8001] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  602.937690][ T8001] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  602.945678][ T8001] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  602.953846][ T8001] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  602.961942][ T8001]  </TASK>
[  602.968940][ T8001] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  603.252557][ T8004] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  603.275492][ T8004] CPU: 1 PID: 8004 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  603.284772][ T8004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  603.295310][ T8004] Call Trace:
[  603.298725][ T8004]  <TASK>
[  603.301701][ T8004]  dump_stack_lvl+0x125/0x1b0
[  603.306444][ T8004]  sysfs_warn_dup+0x7f/0xa0
[  603.310990][ T8004]  sysfs_create_dir_ns+0x237/0x290
[  603.316210][ T8004]  ? sysfs_create_mount_point+0xb0/0xb0
[  603.321937][ T8004]  ? spin_bug+0x1d0/0x1d0
[  603.326431][ T8004]  ? class_dir_child_ns_type+0xd/0x60
[  603.331865][ T8004]  kobject_add_internal+0x2c8/0x960
[  603.337136][ T8004]  kobject_add+0x154/0x220
[  603.341687][ T8004]  ? kset_create_and_add+0x190/0x190
[  603.347114][ T8004]  ? do_raw_spin_unlock+0x173/0x230
[  603.352376][ T8004]  ? kobject_put+0xbe/0x440
[  603.356947][ T8004]  device_add+0x289/0x1a90
[  603.361519][ T8004]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  603.368445][ T8004]  ? __init_waitqueue_head+0xca/0x150
[  603.374148][ T8004]  tty_register_device_attr+0x382/0x7c0
[  603.379765][ T8004]  ? lockdep_init_map_type+0x16d/0x7c0
[  603.385402][ T8004]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  603.391063][ T8004]  ? lockdep_init_map_type+0x16d/0x7c0
[  603.396707][ T8004]  ? __raw_spin_lock_init+0x3a/0x110
[  603.403028][ T8004]  ? tty_port_init+0x156/0x1b0
[  603.408213][ T8004]  gsm_activate_mux+0x170/0x2f0
[  603.414101][ T8004]  gsmld_ioctl+0x876/0x1510
[  603.418685][ T8004]  ? gsm_dlci_config+0xf00/0xf00
[  603.423699][ T8004]  ? __ldsem_down_read_nested+0xe4/0x910
[  603.429387][ T8004]  ? __ldsem_down_read_nested+0xf4/0x910
[  603.435082][ T8004]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  603.440531][ T8004]  ? vt_waitactive+0x360/0x360
[  603.445408][ T8004]  ? gsm_dlci_config+0xf00/0xf00
[  603.450505][ T8004]  tty_ioctl+0x6f8/0x1550
[  603.454906][ T8004]  ? send_break+0x3e0/0x3e0
[  603.459478][ T8004]  ? reacquire_held_locks+0x4b0/0x4b0
[  603.465005][ T8004]  ? rcu_is_watching+0x12/0xb0
[  603.469827][ T8004]  ? do_one_initcall+0xf0/0x620
[  603.474765][ T8004]  ? __fget_files+0x272/0x410
[  603.479778][ T8004]  ? bpf_lsm_file_ioctl+0x9/0x10
[  603.485130][ T8004]  ? send_break+0x3e0/0x3e0
[  603.489789][ T8004]  __x64_sys_ioctl+0x18f/0x210
[  603.494644][ T8004]  do_syscall_64+0x38/0xb0
[  603.499211][ T8004]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  603.505522][ T8004] RIP: 0033:0x7fe65e0fd6e9
[  603.510350][ T8004] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  603.533052][ T8004] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  603.542475][ T8004] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  603.550493][ T8004] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  603.558858][ T8004] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  603.566888][ T8004] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  603.574904][ T8004] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  603.582943][ T8004]  </TASK>
[  603.587211][ T8004] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  603.879516][ T8007] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  603.892044][ T8007] CPU: 0 PID: 8007 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  603.901322][ T8007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  603.911853][ T8007] Call Trace:
[  603.915171][ T8007]  <TASK>
[  603.918167][ T8007]  dump_stack_lvl+0x125/0x1b0
[  603.923130][ T8007]  sysfs_warn_dup+0x7f/0xa0
[  603.927686][ T8007]  sysfs_create_dir_ns+0x237/0x290
[  603.932946][ T8007]  ? sysfs_create_mount_point+0xb0/0xb0
[  603.938630][ T8007]  ? spin_bug+0x1d0/0x1d0
[  603.943029][ T8007]  ? class_dir_child_ns_type+0xd/0x60
[  603.948482][ T8007]  kobject_add_internal+0x2c8/0x960
[  603.953912][ T8007]  kobject_add+0x154/0x220
[  603.958379][ T8007]  ? kset_create_and_add+0x190/0x190
[  603.963813][ T8007]  ? do_raw_spin_unlock+0x173/0x230
[  603.969159][ T8007]  ? kobject_put+0xbe/0x440
[  603.973729][ T8007]  device_add+0x289/0x1a90
[  603.978205][ T8007]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  603.985471][ T8007]  ? __init_waitqueue_head+0xca/0x150
[  603.990990][ T8007]  tty_register_device_attr+0x382/0x7c0
[  603.997033][ T8007]  ? lockdep_init_map_type+0x16d/0x7c0
[  604.002751][ T8007]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  604.008534][ T8007]  ? lockdep_init_map_type+0x16d/0x7c0
[  604.014270][ T8007]  ? __raw_spin_lock_init+0x3a/0x110
[  604.020169][ T8007]  ? tty_port_init+0x156/0x1b0
[  604.025163][ T8007]  gsm_activate_mux+0x170/0x2f0
[  604.030082][ T8007]  gsmld_ioctl+0x876/0x1510
[  604.034676][ T8007]  ? gsm_dlci_config+0xf00/0xf00
[  604.039685][ T8007]  ? __ldsem_down_read_nested+0xe4/0x910
[  604.045379][ T8007]  ? __ldsem_down_read_nested+0xf4/0x910
[  604.051075][ T8007]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  604.056543][ T8007]  ? vt_waitactive+0x360/0x360
[  604.061372][ T8007]  ? gsm_dlci_config+0xf00/0xf00
[  604.066382][ T8007]  tty_ioctl+0x6f8/0x1550
[  604.070778][ T8007]  ? send_break+0x3e0/0x3e0
[  604.075375][ T8007]  ? reacquire_held_locks+0x4b0/0x4b0
[  604.080848][ T8007]  ? rcu_is_watching+0x12/0xb0
[  604.085753][ T8007]  ? do_one_initcall+0xf0/0x620
[  604.090784][ T8007]  ? __fget_files+0x272/0x410
[  604.095528][ T8007]  ? bpf_lsm_file_ioctl+0x9/0x10
[  604.101404][ T8007]  ? send_break+0x3e0/0x3e0
[  604.106023][ T8007]  __x64_sys_ioctl+0x18f/0x210
[  604.110852][ T8007]  do_syscall_64+0x38/0xb0
[  604.115332][ T8007]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  604.121287][ T8007] RIP: 0033:0x7fe65e0fd6e9
[  604.125835][ T8007] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  604.145502][ T8007] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  604.153973][ T8007] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  604.161991][ T8007] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  604.170008][ T8007] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  604.178025][ T8007] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  604.186867][ T8007] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  604.194918][ T8007]  </TASK>
[  604.209250][ T8007] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  604.494648][ T8010] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  604.517920][ T8010] CPU: 1 PID: 8010 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  604.527296][ T8010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  604.537482][ T8010] Call Trace:
[  604.540799][ T8010]  <TASK>
[  604.543763][ T8010]  dump_stack_lvl+0x125/0x1b0
[  604.548489][ T8010]  sysfs_warn_dup+0x7f/0xa0
[  604.553230][ T8010]  sysfs_create_dir_ns+0x237/0x290
[  604.558402][ T8010]  ? sysfs_create_mount_point+0xb0/0xb0
[  604.564005][ T8010]  ? spin_bug+0x1d0/0x1d0
[  604.568485][ T8010]  ? class_dir_child_ns_type+0xd/0x60
[  604.574089][ T8010]  kobject_add_internal+0x2c8/0x960
[  604.579364][ T8010]  kobject_add+0x154/0x220
[  604.582135][ T8011] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  604.583817][ T8010]  ? kset_create_and_add+0x190/0x190
[  604.583858][ T8010]  ? do_raw_spin_unlock+0x173/0x230
[  604.583901][ T8010]  ? kobject_put+0xbe/0x440
[  604.583940][ T8010]  device_add+0x289/0x1a90
[  604.612111][ T8010]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  604.619109][ T8010]  ? __init_waitqueue_head+0xca/0x150
[  604.624526][ T8010]  tty_register_device_attr+0x382/0x7c0
[  604.630112][ T8010]  ? lockdep_init_map_type+0x16d/0x7c0
[  604.635698][ T8010]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  604.641288][ T8010]  ? lockdep_init_map_type+0x16d/0x7c0
[  604.646802][ T8010]  ? __raw_spin_lock_init+0x3a/0x110
[  604.652222][ T8010]  ? tty_port_init+0x156/0x1b0
[  604.657282][ T8010]  gsm_activate_mux+0x170/0x2f0
[  604.662192][ T8010]  gsmld_ioctl+0x876/0x1510
[  604.666926][ T8010]  ? gsm_dlci_config+0xf00/0xf00
[  604.672087][ T8010]  ? __ldsem_down_read_nested+0xe4/0x910
[  604.678095][ T8010]  ? __ldsem_down_read_nested+0xf4/0x910
[  604.683767][ T8010]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  604.689362][ T8010]  ? vt_waitactive+0x360/0x360
[  604.694170][ T8010]  ? gsm_dlci_config+0xf00/0xf00
[  604.699147][ T8010]  tty_ioctl+0x6f8/0x1550
[  604.703515][ T8010]  ? send_break+0x3e0/0x3e0
[  604.708151][ T8010]  ? reacquire_held_locks+0x4b0/0x4b0
[  604.713890][ T8010]  ? rcu_is_watching+0x12/0xb0
[  604.718700][ T8010]  ? do_one_initcall+0xf0/0x620
[  604.723602][ T8010]  ? __fget_files+0x272/0x410
[  604.728323][ T8010]  ? bpf_lsm_file_ioctl+0x9/0x10
[  604.733465][ T8010]  ? send_break+0x3e0/0x3e0
[  604.738033][ T8010]  __x64_sys_ioctl+0x18f/0x210
[  604.742841][ T8010]  do_syscall_64+0x38/0xb0
[  604.747464][ T8010]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  604.753659][ T8010] RIP: 0033:0x7fe65e0fd6e9
[  604.758105][ T8010] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  604.777834][ T8010] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  604.786622][ T8010] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  604.794961][ T8010] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  604.803239][ T8010] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  604.811322][ T8010] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  604.819399][ T8010] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  604.827672][ T8010]  </TASK>
[  604.830706][ T8011] CPU: 0 PID: 8011 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  604.840021][ T8011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  604.850175][ T8011] Call Trace:
[  604.853464][ T8011]  <TASK>
[  604.856579][ T8011]  dump_stack_lvl+0x125/0x1b0
[  604.861279][ T8011]  sysfs_warn_dup+0x7f/0xa0
[  604.865808][ T8011]  sysfs_create_dir_ns+0x237/0x290
[  604.871026][ T8011]  ? sysfs_create_mount_point+0xb0/0xb0
[  604.876678][ T8011]  ? spin_bug+0x1d0/0x1d0
[  604.881056][ T8011]  ? class_dir_child_ns_type+0xd/0x60
[  604.886549][ T8011]  kobject_add_internal+0x2c8/0x960
[  604.892037][ T8011]  kobject_add+0x154/0x220
[  604.896474][ T8011]  ? kset_create_and_add+0x190/0x190
[  604.902659][ T8011]  ? do_raw_spin_unlock+0x173/0x230
[  604.907979][ T8011]  ? kobject_put+0xbe/0x440
[  604.912514][ T8011]  device_add+0x289/0x1a90
[  604.916960][ T8011]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  604.924035][ T8011]  ? __init_waitqueue_head+0xca/0x150
[  604.929469][ T8011]  tty_register_device_attr+0x382/0x7c0
[  604.935156][ T8011]  ? lockdep_init_map_type+0x16d/0x7c0
[  604.940738][ T8011]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  604.946308][ T8011]  ? lockdep_init_map_type+0x16d/0x7c0
[  604.951799][ T8011]  ? __raw_spin_lock_init+0x3a/0x110
[  604.957151][ T8011]  ? tty_port_init+0x156/0x1b0
[  604.962001][ T8011]  gsm_activate_mux+0x170/0x2f0
[  604.966979][ T8011]  gsmld_ioctl+0x876/0x1510
[  604.972393][ T8011]  ? gsm_dlci_config+0xf00/0xf00
[  604.977532][ T8011]  ? __ldsem_down_read_nested+0xe4/0x910
[  604.983188][ T8011]  ? __ldsem_down_read_nested+0xf4/0x910
[  604.988858][ T8011]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  604.994268][ T8011]  ? vt_waitactive+0x360/0x360
[  604.999074][ T8011]  ? gsm_dlci_config+0xf00/0xf00
[  605.004126][ T8011]  tty_ioctl+0x6f8/0x1550
[  605.008494][ T8011]  ? send_break+0x3e0/0x3e0
[  605.013037][ T8011]  ? reacquire_held_locks+0x4b0/0x4b0
[  605.018437][ T8011]  ? sigprocmask+0xf1/0x330
[  605.023055][ T8011]  ? do_sigtimedwait+0x5c0/0x5c0
[  605.028033][ T8011]  ? __fget_files+0x272/0x410
[  605.032931][ T8011]  ? bpf_lsm_file_ioctl+0x9/0x10
[  605.037989][ T8011]  ? send_break+0x3e0/0x3e0
[  605.042533][ T8011]  __x64_sys_ioctl+0x18f/0x210
[  605.047330][ T8011]  do_syscall_64+0x38/0xb0
[  605.051772][ T8011]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  605.057781][ T8011] RIP: 0033:0x7fe65e0fd6e9
[  605.062230][ T8011] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  605.082028][ T8011] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  605.090473][ T8011] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  605.098457][ T8011] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  605.106441][ T8011] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  605.114606][ T8011] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  605.122676][ T8011] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  605.130683][ T8011]  </TASK>
[  605.134024][ T8010] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  605.216416][ T8011] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  605.554152][ T8014] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  605.568260][ T8014] CPU: 1 PID: 8014 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  605.577814][ T8014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  605.588345][ T8014] Call Trace:
[  605.591666][ T8014]  <TASK>
[  605.594631][ T8014]  dump_stack_lvl+0x125/0x1b0
[  605.599367][ T8014]  sysfs_warn_dup+0x7f/0xa0
[  605.603928][ T8014]  sysfs_create_dir_ns+0x237/0x290
[  605.609105][ T8014]  ? sysfs_create_mount_point+0xb0/0xb0
[  605.615066][ T8014]  ? spin_bug+0x1d0/0x1d0
[  605.619468][ T8014]  ? class_dir_child_ns_type+0xd/0x60
[  605.624989][ T8014]  kobject_add_internal+0x2c8/0x960
[  605.630267][ T8014]  kobject_add+0x154/0x220
[  605.634838][ T8014]  ? kset_create_and_add+0x190/0x190
[  605.640208][ T8014]  ? do_raw_spin_unlock+0x173/0x230
[  605.645504][ T8014]  ? kobject_put+0xbe/0x440
[  605.650068][ T8014]  device_add+0x289/0x1a90
[  605.654717][ T8014]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  605.661752][ T8014]  ? __init_waitqueue_head+0xca/0x150
[  605.667198][ T8014]  tty_register_device_attr+0x382/0x7c0
[  605.672810][ T8014]  ? lockdep_init_map_type+0x16d/0x7c0
[  605.678334][ T8014]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  605.683943][ T8014]  ? lockdep_init_map_type+0x16d/0x7c0
[  605.689479][ T8014]  ? __raw_spin_lock_init+0x3a/0x110
[  605.694831][ T8014]  ? tty_port_init+0x156/0x1b0
[  605.699912][ T8014]  gsm_activate_mux+0x170/0x2f0
[  605.704954][ T8014]  gsmld_ioctl+0x876/0x1510
[  605.709618][ T8014]  ? gsm_dlci_config+0xf00/0xf00
[  605.714628][ T8014]  ? __ldsem_down_read_nested+0xe4/0x910
[  605.720490][ T8014]  ? __ldsem_down_read_nested+0xf4/0x910
[  605.726278][ T8014]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  605.731810][ T8014]  ? vt_waitactive+0x360/0x360
[  605.736739][ T8014]  ? gsm_dlci_config+0xf00/0xf00
[  605.741750][ T8014]  tty_ioctl+0x6f8/0x1550
[  605.746147][ T8014]  ? send_break+0x3e0/0x3e0
[  605.750913][ T8014]  ? reacquire_held_locks+0x4b0/0x4b0
[  605.756442][ T8014]  ? rcu_is_watching+0x12/0xb0
[  605.761282][ T8014]  ? do_one_initcall+0xf0/0x620
[  605.766282][ T8014]  ? __fget_files+0x272/0x410
[  605.771038][ T8014]  ? bpf_lsm_file_ioctl+0x9/0x10
[  605.776039][ T8014]  ? send_break+0x3e0/0x3e0
[  605.780861][ T8014]  __x64_sys_ioctl+0x18f/0x210
[  605.785699][ T8014]  do_syscall_64+0x38/0xb0
[  605.790257][ T8014]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  605.796207][ T8014] RIP: 0033:0x7fe65e0fd6e9
[  605.800679][ T8014] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  605.821181][ T8014] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  605.829700][ T8014] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  605.837894][ T8014] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  605.845995][ T8014] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  605.854033][ T8014] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  605.862305][ T8014] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  605.870954][ T8014]  </TASK>
[  605.890397][ T8014] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  606.189912][ T8018] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  606.199472][ T8018] CPU: 1 PID: 8018 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  606.208828][ T8018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  606.219192][ T8018] Call Trace:
[  606.222505][ T8018]  <TASK>
[  606.225484][ T8018]  dump_stack_lvl+0x125/0x1b0
[  606.230233][ T8018]  sysfs_warn_dup+0x7f/0xa0
[  606.234791][ T8018]  sysfs_create_dir_ns+0x237/0x290
[  606.240145][ T8018]  ? sysfs_create_mount_point+0xb0/0xb0
[  606.245833][ T8018]  ? spin_bug+0x1d0/0x1d0
[  606.250229][ T8018]  ? class_dir_child_ns_type+0xd/0x60
[  606.255670][ T8018]  kobject_add_internal+0x2c8/0x960
[  606.261023][ T8018]  kobject_add+0x154/0x220
[  606.265499][ T8018]  ? kset_create_and_add+0x190/0x190
[  606.271023][ T8018]  ? do_raw_spin_unlock+0x173/0x230
[  606.276462][ T8018]  ? kobject_put+0xbe/0x440
[  606.281052][ T8018]  device_add+0x289/0x1a90
[  606.285735][ T8018]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  606.292829][ T8018]  ? __init_waitqueue_head+0xca/0x150
[  606.298276][ T8018]  tty_register_device_attr+0x382/0x7c0
[  606.304236][ T8018]  ? lockdep_init_map_type+0x16d/0x7c0
[  606.309846][ T8018]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  606.315627][ T8018]  ? lockdep_init_map_type+0x16d/0x7c0
[  606.321252][ T8018]  ? __raw_spin_lock_init+0x3a/0x110
[  606.326698][ T8018]  ? tty_port_init+0x156/0x1b0
[  606.331542][ T8018]  gsm_activate_mux+0x170/0x2f0
[  606.336513][ T8018]  gsmld_ioctl+0x876/0x1510
[  606.341707][ T8018]  ? gsm_dlci_config+0xf00/0xf00
[  606.347588][ T8018]  ? __ldsem_down_read_nested+0xe4/0x910
[  606.353281][ T8018]  ? __ldsem_down_read_nested+0xf4/0x910
[  606.359074][ T8018]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  606.364540][ T8018]  ? vt_waitactive+0x360/0x360
[  606.369382][ T8018]  ? gsm_dlci_config+0xf00/0xf00
[  606.374500][ T8018]  tty_ioctl+0x6f8/0x1550
[  606.379182][ T8018]  ? send_break+0x3e0/0x3e0
[  606.383757][ T8018]  ? reacquire_held_locks+0x4b0/0x4b0
[  606.389196][ T8018]  ? rcu_is_watching+0x12/0xb0
[  606.394206][ T8018]  ? do_one_initcall+0xf0/0x620
[  606.399134][ T8018]  ? __fget_files+0x272/0x410
[  606.403895][ T8018]  ? bpf_lsm_file_ioctl+0x9/0x10
[  606.408896][ T8018]  ? send_break+0x3e0/0x3e0
[  606.413484][ T8018]  __x64_sys_ioctl+0x18f/0x210
[  606.418343][ T8018]  do_syscall_64+0x38/0xb0
[  606.423102][ T8018]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  606.429236][ T8018] RIP: 0033:0x7fe65e0fd6e9
[  606.433831][ T8018] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  606.453492][ T8018] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  606.462042][ T8018] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  606.470239][ T8018] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  606.478613][ T8018] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  606.486724][ T8018] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  606.494914][ T8018] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  606.502962][ T8018]  </TASK>
[  606.525399][ T8018] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  606.809910][ T8022] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  606.827971][ T8022] CPU: 1 PID: 8022 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  606.837256][ T8022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  606.847351][ T8022] Call Trace:
[  606.850671][ T8022]  <TASK>
[  606.853722][ T8022]  dump_stack_lvl+0x125/0x1b0
[  606.858447][ T8022]  sysfs_warn_dup+0x7f/0xa0
[  606.864828][ T8022]  sysfs_create_dir_ns+0x237/0x290
[  606.870005][ T8022]  ? sysfs_create_mount_point+0xb0/0xb0
[  606.875706][ T8022]  ? spin_bug+0x1d0/0x1d0
[  606.880196][ T8022]  ? class_dir_child_ns_type+0xd/0x60
[  606.885636][ T8022]  kobject_add_internal+0x2c8/0x960
[  606.891029][ T8022]  kobject_add+0x154/0x220
[  606.895506][ T8022]  ? kset_create_and_add+0x190/0x190
[  606.900855][ T8022]  ? do_raw_spin_unlock+0x173/0x230
[  606.906130][ T8022]  ? kobject_put+0xbe/0x440
[  606.910707][ T8022]  device_add+0x289/0x1a90
[  606.915289][ T8022]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  606.922484][ T8022]  ? __init_waitqueue_head+0xca/0x150
[  606.927935][ T8022]  tty_register_device_attr+0x382/0x7c0
[  606.933651][ T8022]  ? lockdep_init_map_type+0x16d/0x7c0
[  606.939292][ T8022]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  606.944907][ T8022]  ? lockdep_init_map_type+0x16d/0x7c0
[  606.950485][ T8022]  ? __raw_spin_lock_init+0x3a/0x110
[  606.955931][ T8022]  ? tty_port_init+0x156/0x1b0
[  606.960757][ T8022]  gsm_activate_mux+0x170/0x2f0
[  606.965777][ T8022]  gsmld_ioctl+0x876/0x1510
[  606.970973][ T8022]  ? gsm_dlci_config+0xf00/0xf00
[  606.976081][ T8022]  ? __ldsem_down_read_nested+0xe4/0x910
[  606.982398][ T8022]  ? __ldsem_down_read_nested+0xf4/0x910
[  606.988162][ T8022]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  606.993872][ T8022]  ? vt_waitactive+0x360/0x360
[  606.998806][ T8022]  ? gsm_dlci_config+0xf00/0xf00
[  607.004077][ T8022]  tty_ioctl+0x6f8/0x1550
[  607.008566][ T8022]  ? send_break+0x3e0/0x3e0
[  607.013207][ T8022]  ? reacquire_held_locks+0x4b0/0x4b0
[  607.018644][ T8022]  ? rcu_is_watching+0x12/0xb0
[  607.023666][ T8022]  ? do_one_initcall+0xf0/0x620
[  607.028693][ T8022]  ? __fget_files+0x272/0x410
[  607.033526][ T8022]  ? bpf_lsm_file_ioctl+0x9/0x10
[  607.038526][ T8022]  ? send_break+0x3e0/0x3e0
[  607.043238][ T8022]  __x64_sys_ioctl+0x18f/0x210
[  607.048070][ T8022]  do_syscall_64+0x38/0xb0
[  607.052628][ T8022]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  607.058577][ T8022] RIP: 0033:0x7fe65e0fd6e9
[  607.063036][ T8022] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  607.083650][ T8022] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  607.092376][ T8022] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  607.100395][ T8022] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  607.108414][ T8022] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  607.116445][ T8022] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  607.124548][ T8022] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  607.132700][ T8022]  </TASK>
[  607.147999][ T8022] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  607.429313][ T8026] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  607.461091][ T8026] CPU: 0 PID: 8026 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  607.470803][ T8026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  607.481264][ T8026] Call Trace:
[  607.484576][ T8026]  <TASK>
[  607.487633][ T8026]  dump_stack_lvl+0x125/0x1b0
[  607.492716][ T8026]  sysfs_warn_dup+0x7f/0xa0
[  607.497282][ T8026]  sysfs_create_dir_ns+0x237/0x290
[  607.502463][ T8026]  ? sysfs_create_mount_point+0xb0/0xb0
[  607.508337][ T8026]  ? spin_bug+0x1d0/0x1d0
[  607.512739][ T8026]  ? class_dir_child_ns_type+0xd/0x60
[  607.518257][ T8026]  kobject_add_internal+0x2c8/0x960
[  607.523674][ T8026]  kobject_add+0x154/0x220
[  607.528125][ T8026]  ? kset_create_and_add+0x190/0x190
[  607.533616][ T8026]  ? do_raw_spin_unlock+0x173/0x230
[  607.538943][ T8026]  ? kobject_put+0xbe/0x440
[  607.543498][ T8026]  device_add+0x289/0x1a90
[  607.547952][ T8026]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  607.554840][ T8026]  ? __init_waitqueue_head+0xca/0x150
[  607.560256][ T8026]  tty_register_device_attr+0x382/0x7c0
[  607.565836][ T8026]  ? lockdep_init_map_type+0x16d/0x7c0
[  607.571331][ T8026]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  607.576996][ T8026]  ? lockdep_init_map_type+0x16d/0x7c0
[  607.582521][ T8026]  ? __raw_spin_lock_init+0x3a/0x110
[  607.588146][ T8026]  ? tty_port_init+0x156/0x1b0
[  607.592979][ T8026]  gsm_activate_mux+0x170/0x2f0
[  607.597907][ T8026]  gsmld_ioctl+0x876/0x1510
[  607.602481][ T8026]  ? gsm_dlci_config+0xf00/0xf00
[  607.607482][ T8026]  ? __ldsem_down_read_nested+0xe4/0x910
[  607.613311][ T8026]  ? __ldsem_down_read_nested+0xf4/0x910
[  607.618975][ T8026]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  607.624470][ T8026]  ? vt_waitactive+0x360/0x360
[  607.629361][ T8026]  ? gsm_dlci_config+0xf00/0xf00
[  607.634353][ T8026]  tty_ioctl+0x6f8/0x1550
[  607.638900][ T8026]  ? send_break+0x3e0/0x3e0
[  607.643438][ T8026]  ? reacquire_held_locks+0x4b0/0x4b0
[  607.648937][ T8026]  ? rcu_is_watching+0x12/0xb0
[  607.653743][ T8026]  ? do_one_initcall+0xf0/0x620
[  607.658907][ T8026]  ? __fget_files+0x272/0x410
[  607.663887][ T8026]  ? bpf_lsm_file_ioctl+0x9/0x10
[  607.668942][ T8026]  ? send_break+0x3e0/0x3e0
[  607.673483][ T8026]  __x64_sys_ioctl+0x18f/0x210
[  607.678323][ T8026]  do_syscall_64+0x38/0xb0
[  607.682779][ T8026]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  607.688789][ T8026] RIP: 0033:0x7fe65e0fd6e9
[  607.693249][ T8026] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  607.713325][ T8026] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  607.721769][ T8026] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  607.729842][ T8026] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  607.737824][ T8026] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  607.745809][ T8026] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  607.753794][ T8026] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  607.762188][ T8026]  </TASK>
[  607.775785][ T8026] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  607.792541][ T8027] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  607.829713][ T8027] CPU: 0 PID: 8027 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  607.839006][ T8027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  607.849192][ T8027] Call Trace:
[  607.852591][ T8027]  <TASK>
[  607.855555][ T8027]  dump_stack_lvl+0x125/0x1b0
[  607.860416][ T8027]  sysfs_warn_dup+0x7f/0xa0
[  607.865064][ T8027]  sysfs_create_dir_ns+0x237/0x290
[  607.870246][ T8027]  ? sysfs_create_mount_point+0xb0/0xb0
[  607.876720][ T8027]  ? spin_bug+0x1d0/0x1d0
[  607.881126][ T8027]  ? class_dir_child_ns_type+0xd/0x60
[  607.886587][ T8027]  kobject_add_internal+0x2c8/0x960
[  607.892286][ T8027]  kobject_add+0x154/0x220
[  607.896767][ T8027]  ? kset_create_and_add+0x190/0x190
[  607.902180][ T8027]  ? do_raw_spin_unlock+0x173/0x230
[  607.907447][ T8027]  ? kobject_put+0xbe/0x440
[  607.912020][ T8027]  device_add+0x289/0x1a90
[  607.916503][ T8027]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  607.923619][ T8027]  ? __init_waitqueue_head+0xca/0x150
[  607.929144][ T8027]  tty_register_device_attr+0x382/0x7c0
[  607.934758][ T8027]  ? lockdep_init_map_type+0x16d/0x7c0
[  607.940286][ T8027]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  607.945894][ T8027]  ? lockdep_init_map_type+0x16d/0x7c0
[  607.951424][ T8027]  ? __raw_spin_lock_init+0x3a/0x110
[  607.956782][ T8027]  ? tty_port_init+0x156/0x1b0
[  607.961610][ T8027]  gsm_activate_mux+0x170/0x2f0
[  607.966565][ T8027]  gsmld_ioctl+0x876/0x1510
[  607.971148][ T8027]  ? gsm_dlci_config+0xf00/0xf00
[  607.976160][ T8027]  ? __ldsem_down_read_nested+0xe4/0x910
[  607.981972][ T8027]  ? __ldsem_down_read_nested+0xf4/0x910
[  607.987674][ T8027]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  607.993295][ T8027]  ? vt_waitactive+0x360/0x360
[  607.998310][ T8027]  ? gsm_dlci_config+0xf00/0xf00
[  608.003404][ T8027]  tty_ioctl+0x6f8/0x1550
[  608.008251][ T8027]  ? send_break+0x3e0/0x3e0
[  608.012923][ T8027]  ? reacquire_held_locks+0x4b0/0x4b0
[  608.018456][ T8027]  ? sigprocmask+0xf1/0x330
[  608.023020][ T8027]  ? do_sigtimedwait+0x5c0/0x5c0
[  608.028245][ T8027]  ? __fget_files+0x272/0x410
[  608.033040][ T8027]  ? bpf_lsm_file_ioctl+0x9/0x10
[  608.038218][ T8027]  ? send_break+0x3e0/0x3e0
[  608.042756][ T8027]  __x64_sys_ioctl+0x18f/0x210
[  608.047551][ T8027]  do_syscall_64+0x38/0xb0
[  608.051978][ T8027]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  608.058063][ T8027] RIP: 0033:0x7fe65e0fd6e9
[  608.062480][ T8027] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  608.082282][ T8027] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  608.090751][ T8027] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  608.098761][ T8027] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  608.106837][ T8027] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  608.114832][ T8027] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  608.122846][ T8027] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  608.130869][ T8027]  </TASK>
[  608.136058][ T8027] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  608.409366][ T8030] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  608.435078][ T8030] CPU: 0 PID: 8030 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  608.444799][ T8030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  608.454896][ T8030] Call Trace:
[  608.458210][ T8030]  <TASK>
[  608.461353][ T8030]  dump_stack_lvl+0x125/0x1b0
[  608.466084][ T8030]  sysfs_warn_dup+0x7f/0xa0
[  608.470724][ T8030]  sysfs_create_dir_ns+0x237/0x290
[  608.475882][ T8030]  ? sysfs_create_mount_point+0xb0/0xb0
[  608.481490][ T8030]  ? spin_bug+0x1d0/0x1d0
[  608.485974][ T8030]  ? class_dir_child_ns_type+0xd/0x60
[  608.491400][ T8030]  kobject_add_internal+0x2c8/0x960
[  608.496749][ T8030]  kobject_add+0x154/0x220
[  608.501199][ T8030]  ? kset_create_and_add+0x190/0x190
[  608.506523][ T8030]  ? do_raw_spin_unlock+0x173/0x230
[  608.511757][ T8030]  ? kobject_put+0xbe/0x440
[  608.516295][ T8030]  device_add+0x289/0x1a90
[  608.520840][ T8030]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  608.527825][ T8030]  ? __init_waitqueue_head+0xca/0x150
[  608.533236][ T8030]  tty_register_device_attr+0x382/0x7c0
[  608.538906][ T8030]  ? lockdep_init_map_type+0x16d/0x7c0
[  608.544417][ T8030]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  608.550080][ T8030]  ? lockdep_init_map_type+0x16d/0x7c0
[  608.555665][ T8030]  ? __raw_spin_lock_init+0x3a/0x110
[  608.561157][ T8030]  ? tty_port_init+0x156/0x1b0
[  608.565950][ T8030]  gsm_activate_mux+0x170/0x2f0
[  608.571016][ T8030]  gsmld_ioctl+0x876/0x1510
[  608.575594][ T8030]  ? gsm_dlci_config+0xf00/0xf00
[  608.580651][ T8030]  ? __ldsem_down_read_nested+0xe4/0x910
[  608.586311][ T8030]  ? __ldsem_down_read_nested+0xf4/0x910
[  608.591974][ T8030]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  608.597384][ T8030]  ? vt_waitactive+0x360/0x360
[  608.602183][ T8030]  ? gsm_dlci_config+0xf00/0xf00
[  608.607162][ T8030]  tty_ioctl+0x6f8/0x1550
[  608.611532][ T8030]  ? send_break+0x3e0/0x3e0
[  608.616155][ T8030]  ? reacquire_held_locks+0x4b0/0x4b0
[  608.621557][ T8030]  ? rcu_is_watching+0x12/0xb0
[  608.626347][ T8030]  ? do_one_initcall+0xf0/0x620
[  608.631328][ T8030]  ? __fget_files+0x272/0x410
[  608.636069][ T8030]  ? bpf_lsm_file_ioctl+0x9/0x10
[  608.641040][ T8030]  ? send_break+0x3e0/0x3e0
[  608.645660][ T8030]  __x64_sys_ioctl+0x18f/0x210
[  608.650457][ T8030]  do_syscall_64+0x38/0xb0
[  608.654926][ T8030]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  608.660856][ T8030] RIP: 0033:0x7fe65e0fd6e9
[  608.665438][ T8030] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  608.685757][ T8030] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  608.694456][ T8030] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  608.702445][ T8030] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  608.710436][ T8030] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  608.718419][ T8030] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  608.726410][ T8030] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  608.734512][ T8030]  </TASK>
[  608.772779][ T8030] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  609.170447][ T8033] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  609.202974][ T8033] CPU: 0 PID: 8033 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  609.212341][ T8033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  609.222530][ T8033] Call Trace:
[  609.225847][ T8033]  <TASK>
[  609.228820][ T8033]  dump_stack_lvl+0x125/0x1b0
[  609.233561][ T8033]  sysfs_warn_dup+0x7f/0xa0
[  609.238121][ T8033]  sysfs_create_dir_ns+0x237/0x290
[  609.243302][ T8033]  ? sysfs_create_mount_point+0xb0/0xb0
[  609.248915][ T8033]  ? spin_bug+0x1d0/0x1d0
[  609.253403][ T8033]  ? class_dir_child_ns_type+0xd/0x60
[  609.259093][ T8033]  kobject_add_internal+0x2c8/0x960
[  609.264430][ T8033]  kobject_add+0x154/0x220
[  609.269844][ T8033]  ? kset_create_and_add+0x190/0x190
[  609.275508][ T8033]  ? do_raw_spin_unlock+0x173/0x230
[  609.280835][ T8033]  ? kobject_put+0xbe/0x440
[  609.285461][ T8033]  device_add+0x289/0x1a90
[  609.290010][ T8033]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  609.297243][ T8033]  ? __init_waitqueue_head+0xca/0x150
[  609.302657][ T8033]  tty_register_device_attr+0x382/0x7c0
[  609.308248][ T8033]  ? lockdep_init_map_type+0x16d/0x7c0
[  609.313742][ T8033]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  609.319501][ T8033]  ? lockdep_init_map_type+0x16d/0x7c0
[  609.324996][ T8033]  ? __raw_spin_lock_init+0x3a/0x110
[  609.330409][ T8033]  ? tty_port_init+0x156/0x1b0
[  609.335331][ T8033]  gsm_activate_mux+0x170/0x2f0
[  609.340293][ T8033]  gsmld_ioctl+0x876/0x1510
[  609.345139][ T8033]  ? gsm_dlci_config+0xf00/0xf00
[  609.350215][ T8033]  ? __ldsem_down_read_nested+0xe4/0x910
[  609.355918][ T8033]  ? __ldsem_down_read_nested+0xf4/0x910
[  609.361596][ T8033]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  609.367388][ T8033]  ? vt_waitactive+0x360/0x360
[  609.372203][ T8033]  ? gsm_dlci_config+0xf00/0xf00
[  609.377174][ T8033]  tty_ioctl+0x6f8/0x1550
[  609.381629][ T8033]  ? send_break+0x3e0/0x3e0
[  609.386435][ T8033]  ? reacquire_held_locks+0x4b0/0x4b0
[  609.391846][ T8033]  ? rcu_is_watching+0x12/0xb0
[  609.396729][ T8033]  ? do_one_initcall+0xf0/0x620
[  609.401736][ T8033]  ? __fget_files+0x272/0x410
[  609.406635][ T8033]  ? bpf_lsm_file_ioctl+0x9/0x10
[  609.411712][ T8033]  ? send_break+0x3e0/0x3e0
[  609.416348][ T8033]  __x64_sys_ioctl+0x18f/0x210
[  609.421156][ T8033]  do_syscall_64+0x38/0xb0
[  609.425625][ T8033]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  609.431631][ T8033] RIP: 0033:0x7fe65e0fd6e9
[  609.436058][ T8033] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  609.455951][ T8033] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  609.464484][ T8033] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  609.472478][ T8033] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  609.480467][ T8033] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  609.489067][ T8033] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  609.497142][ T8033] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  609.505153][ T8033]  </TASK>
[  609.520996][ T8034] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  609.544743][ T8034] CPU: 1 PID: 8034 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  609.554024][ T8034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  609.564126][ T8034] Call Trace:
[  609.567442][ T8034]  <TASK>
[  609.570409][ T8034]  dump_stack_lvl+0x125/0x1b0
[  609.575138][ T8034]  sysfs_warn_dup+0x7f/0xa0
[  609.579700][ T8034]  sysfs_create_dir_ns+0x237/0x290
[  609.584865][ T8034]  ? sysfs_create_mount_point+0xb0/0xb0
[  609.590467][ T8034]  ? spin_bug+0x1d0/0x1d0
[  609.594856][ T8034]  ? class_dir_child_ns_type+0xd/0x60
[  609.596274][ T8033] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  609.600256][ T8034]  kobject_add_internal+0x2c8/0x960
[  609.619438][ T8034]  kobject_add+0x154/0x220
[  609.623884][ T8034]  ? kset_create_and_add+0x190/0x190
[  609.629195][ T8034]  ? do_raw_spin_unlock+0x173/0x230
[  609.634519][ T8034]  ? kobject_put+0xbe/0x440
[  609.639139][ T8034]  device_add+0x289/0x1a90
[  609.643695][ T8034]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  609.650581][ T8034]  ? __init_waitqueue_head+0xca/0x150
[  609.656080][ T8034]  tty_register_device_attr+0x382/0x7c0
[  609.661658][ T8034]  ? lockdep_init_map_type+0x16d/0x7c0
[  609.667145][ T8034]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  609.672718][ T8034]  ? lockdep_init_map_type+0x16d/0x7c0
[  609.678213][ T8034]  ? __raw_spin_lock_init+0x3a/0x110
[  609.683530][ T8034]  ? tty_port_init+0x156/0x1b0
[  609.688666][ T8034]  gsm_activate_mux+0x170/0x2f0
[  609.693635][ T8034]  gsmld_ioctl+0x876/0x1510
[  609.698178][ T8034]  ? gsm_dlci_config+0xf00/0xf00
[  609.703185][ T8034]  ? __ldsem_down_read_nested+0xe4/0x910
[  609.708923][ T8034]  ? __ldsem_down_read_nested+0xf4/0x910
[  609.714584][ T8034]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  609.719990][ T8034]  ? vt_waitactive+0x360/0x360
[  609.724793][ T8034]  ? gsm_dlci_config+0xf00/0xf00
[  609.729854][ T8034]  tty_ioctl+0x6f8/0x1550
[  609.734217][ T8034]  ? send_break+0x3e0/0x3e0
[  609.738753][ T8034]  ? reacquire_held_locks+0x4b0/0x4b0
[  609.744164][ T8034]  ? sigprocmask+0xf1/0x330
[  609.748699][ T8034]  ? do_sigtimedwait+0x5c0/0x5c0
[  609.753701][ T8034]  ? __fget_files+0x272/0x410
[  609.758414][ T8034]  ? bpf_lsm_file_ioctl+0x9/0x10
[  609.763458][ T8034]  ? send_break+0x3e0/0x3e0
[  609.768089][ T8034]  __x64_sys_ioctl+0x18f/0x210
[  609.772972][ T8034]  do_syscall_64+0x38/0xb0
[  609.777527][ T8034]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  609.784050][ T8034] RIP: 0033:0x7fe65e0fd6e9
[  609.788477][ T8034] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  609.808533][ T8034] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  609.817053][ T8034] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  609.825037][ T8034] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  609.834233][ T8034] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  609.842214][ T8034] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  609.850193][ T8034] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  609.858193][ T8034]  </TASK>
[  609.864471][ T8034] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  610.221443][ T8037] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  610.234808][ T8037] CPU: 1 PID: 8037 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  610.244166][ T8037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  610.254357][ T8037] Call Trace:
[  610.257769][ T8037]  <TASK>
[  610.260789][ T8037]  dump_stack_lvl+0x125/0x1b0
[  610.265629][ T8037]  sysfs_warn_dup+0x7f/0xa0
[  610.270369][ T8037]  sysfs_create_dir_ns+0x237/0x290
[  610.275553][ T8037]  ? sysfs_create_mount_point+0xb0/0xb0
[  610.275956][ T8038] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  610.281132][ T8037]  ? spin_bug+0x1d0/0x1d0
[  610.293986][ T8037]  ? class_dir_child_ns_type+0xd/0x60
[  610.299414][ T8037]  kobject_add_internal+0x2c8/0x960
[  610.304681][ T8037]  kobject_add+0x154/0x220
[  610.309158][ T8037]  ? kset_create_and_add+0x190/0x190
[  610.314510][ T8037]  ? do_raw_spin_unlock+0x173/0x230
[  610.319777][ T8037]  ? kobject_put+0xbe/0x440
[  610.324341][ T8037]  device_add+0x289/0x1a90
[  610.328820][ T8037]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  610.335742][ T8037]  ? __init_waitqueue_head+0xca/0x150
[  610.341177][ T8037]  tty_register_device_attr+0x382/0x7c0
[  610.346774][ T8037]  ? lockdep_init_map_type+0x16d/0x7c0
[  610.352364][ T8037]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  610.358070][ T8037]  ? lockdep_init_map_type+0x16d/0x7c0
[  610.363693][ T8037]  ? __raw_spin_lock_init+0x3a/0x110
[  610.369310][ T8037]  ? tty_port_init+0x156/0x1b0
[  610.374205][ T8037]  gsm_activate_mux+0x170/0x2f0
[  610.379107][ T8037]  gsmld_ioctl+0x876/0x1510
[  610.383672][ T8037]  ? gsm_dlci_config+0xf00/0xf00
[  610.388760][ T8037]  ? __ldsem_down_read_nested+0xe4/0x910
[  610.394455][ T8037]  ? __ldsem_down_read_nested+0xf4/0x910
[  610.400329][ T8037]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  610.405963][ T8037]  ? vt_waitactive+0x360/0x360
[  610.410953][ T8037]  ? gsm_dlci_config+0xf00/0xf00
[  610.416050][ T8037]  tty_ioctl+0x6f8/0x1550
[  610.420524][ T8037]  ? send_break+0x3e0/0x3e0
[  610.425087][ T8037]  ? reacquire_held_locks+0x4b0/0x4b0
[  610.430605][ T8037]  ? rcu_is_watching+0x12/0xb0
[  610.435442][ T8037]  ? do_one_initcall+0xf0/0x620
[  610.440391][ T8037]  ? __fget_files+0x272/0x410
[  610.445239][ T8037]  ? bpf_lsm_file_ioctl+0x9/0x10
[  610.450423][ T8037]  ? send_break+0x3e0/0x3e0
[  610.455071][ T8037]  __x64_sys_ioctl+0x18f/0x210
[  610.459901][ T8037]  do_syscall_64+0x38/0xb0
[  610.464370][ T8037]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  610.470323][ T8037] RIP: 0033:0x7fe65e0fd6e9
[  610.474869][ T8037] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  610.494706][ T8037] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  610.503706][ T8037] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  610.512146][ T8037] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  610.520344][ T8037] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  610.528468][ T8037] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  610.537527][ T8037] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  610.545693][ T8037]  </TASK>
[  610.564566][ T8038] CPU: 1 PID: 8038 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  610.574100][ T8038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  610.584207][ T8038] Call Trace:
[  610.587533][ T8038]  <TASK>
[  610.590501][ T8038]  dump_stack_lvl+0x125/0x1b0
[  610.595231][ T8038]  sysfs_warn_dup+0x7f/0xa0
[  610.599811][ T8038]  sysfs_create_dir_ns+0x237/0x290
[  610.604987][ T8038]  ? sysfs_create_mount_point+0xb0/0xb0
[  610.607864][ T8037] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  610.610685][ T8038]  ? spin_bug+0x1d0/0x1d0
[  610.629013][ T8038]  ? class_dir_child_ns_type+0xd/0x60
[  610.634454][ T8038]  kobject_add_internal+0x2c8/0x960
[  610.639817][ T8038]  kobject_add+0x154/0x220
[  610.644294][ T8038]  ? kset_create_and_add+0x190/0x190
[  610.649897][ T8038]  ? do_raw_spin_unlock+0x173/0x230
[  610.655160][ T8038]  ? kobject_put+0xbe/0x440
[  610.659910][ T8038]  device_add+0x289/0x1a90
[  610.664588][ T8038]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  610.671505][ T8038]  ? __init_waitqueue_head+0xca/0x150
[  610.677022][ T8038]  tty_register_device_attr+0x382/0x7c0
[  610.682606][ T8038]  ? lockdep_init_map_type+0x16d/0x7c0
[  610.688094][ T8038]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  610.693771][ T8038]  ? lockdep_init_map_type+0x16d/0x7c0
[  610.699534][ T8038]  ? __raw_spin_lock_init+0x3a/0x110
[  610.704887][ T8038]  ? tty_port_init+0x156/0x1b0
[  610.709676][ T8038]  gsm_activate_mux+0x170/0x2f0
[  610.714566][ T8038]  gsmld_ioctl+0x876/0x1510
[  610.719120][ T8038]  ? gsm_dlci_config+0xf00/0xf00
[  610.724089][ T8038]  ? __ldsem_down_read_nested+0xe4/0x910
[  610.729740][ T8038]  ? __ldsem_down_read_nested+0xf4/0x910
[  610.736007][ T8038]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  610.741500][ T8038]  ? vt_waitactive+0x360/0x360
[  610.746471][ T8038]  ? gsm_dlci_config+0xf00/0xf00
[  610.751527][ T8038]  tty_ioctl+0x6f8/0x1550
[  610.755916][ T8038]  ? send_break+0x3e0/0x3e0
[  610.760465][ T8038]  ? reacquire_held_locks+0x4b0/0x4b0
[  610.765880][ T8038]  ? sigprocmask+0xf1/0x330
[  610.770417][ T8038]  ? do_sigtimedwait+0x5c0/0x5c0
[  610.775570][ T8038]  ? __fget_files+0x272/0x410
[  610.780373][ T8038]  ? bpf_lsm_file_ioctl+0x9/0x10
[  610.785343][ T8038]  ? send_break+0x3e0/0x3e0
[  610.789933][ T8038]  __x64_sys_ioctl+0x18f/0x210
[  610.794736][ T8038]  do_syscall_64+0x38/0xb0
[  610.799177][ T8038]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  610.805180][ T8038] RIP: 0033:0x7fe65e0fd6e9
[  610.809705][ T8038] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  610.829385][ T8038] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  610.837819][ T8038] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  610.845910][ T8038] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  610.854075][ T8038] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  610.862153][ T8038] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  610.870150][ T8038] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  610.878161][ T8038]  </TASK>
[  610.896340][ T8038] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  611.174365][ T8041] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  611.182945][ T8041] CPU: 0 PID: 8041 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  611.192206][ T8041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  611.202503][ T8041] Call Trace:
[  611.205823][ T8041]  <TASK>
[  611.208813][ T8041]  dump_stack_lvl+0x125/0x1b0
[  611.213635][ T8041]  sysfs_warn_dup+0x7f/0xa0
[  611.218187][ T8041]  sysfs_create_dir_ns+0x237/0x290
[  611.223359][ T8041]  ? sysfs_create_mount_point+0xb0/0xb0
[  611.229044][ T8041]  ? spin_bug+0x1d0/0x1d0
[  611.233438][ T8041]  ? class_dir_child_ns_type+0xd/0x60
[  611.239038][ T8041]  kobject_add_internal+0x2c8/0x960
[  611.244308][ T8041]  kobject_add+0x154/0x220
[  611.248797][ T8041]  ? kset_create_and_add+0x190/0x190
[  611.254144][ T8041]  ? do_raw_spin_unlock+0x173/0x230
[  611.259583][ T8041]  ? kobject_put+0xbe/0x440
[  611.264170][ T8041]  device_add+0x289/0x1a90
[  611.268667][ T8041]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  611.275597][ T8041]  ? __init_waitqueue_head+0xca/0x150
[  611.281133][ T8041]  tty_register_device_attr+0x382/0x7c0
[  611.286755][ T8041]  ? lockdep_init_map_type+0x16d/0x7c0
[  611.292325][ T8041]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  611.297945][ T8041]  ? lockdep_init_map_type+0x16d/0x7c0
[  611.303526][ T8041]  ? __raw_spin_lock_init+0x3a/0x110
[  611.308938][ T8041]  ? tty_port_init+0x156/0x1b0
[  611.313769][ T8041]  gsm_activate_mux+0x170/0x2f0
[  611.318705][ T8041]  gsmld_ioctl+0x876/0x1510
[  611.323297][ T8041]  ? gsm_dlci_config+0xf00/0xf00
[  611.328390][ T8041]  ? __ldsem_down_read_nested+0xe4/0x910
[  611.334301][ T8041]  ? __ldsem_down_read_nested+0xf4/0x910
[  611.340093][ T8041]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  611.345621][ T8041]  ? vt_waitactive+0x360/0x360
[  611.350454][ T8041]  ? gsm_dlci_config+0xf00/0xf00
[  611.356194][ T8041]  tty_ioctl+0x6f8/0x1550
[  611.360857][ T8041]  ? send_break+0x3e0/0x3e0
[  611.365433][ T8041]  ? reacquire_held_locks+0x4b0/0x4b0
[  611.371148][ T8041]  ? rcu_is_watching+0x12/0xb0
[  611.376077][ T8041]  ? do_one_initcall+0xf0/0x620
[  611.381015][ T8041]  ? __fget_files+0x272/0x410
[  611.385856][ T8041]  ? bpf_lsm_file_ioctl+0x9/0x10
[  611.390944][ T8041]  ? send_break+0x3e0/0x3e0
[  611.395679][ T8041]  __x64_sys_ioctl+0x18f/0x210
[  611.400516][ T8041]  do_syscall_64+0x38/0xb0
[  611.405088][ T8041]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  611.411054][ T8041] RIP: 0033:0x7fe65e0fd6e9
[  611.415618][ T8041] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  611.435811][ T8041] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  611.444369][ T8041] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  611.452489][ T8041] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  611.460510][ T8041] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  611.468720][ T8041] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  611.476862][ T8041] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  611.485073][ T8041]  </TASK>
[  611.496904][ T8041] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  611.807729][ T8044] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  611.826399][ T8044] CPU: 1 PID: 8044 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  611.835676][ T8044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  611.845784][ T8044] Call Trace:
[  611.849189][ T8044]  <TASK>
[  611.852152][ T8044]  dump_stack_lvl+0x125/0x1b0
[  611.856883][ T8044]  sysfs_warn_dup+0x7f/0xa0
[  611.861441][ T8044]  sysfs_create_dir_ns+0x237/0x290
[  611.866651][ T8044]  ? sysfs_create_mount_point+0xb0/0xb0
[  611.872450][ T8044]  ? spin_bug+0x1d0/0x1d0
[  611.877026][ T8044]  ? class_dir_child_ns_type+0xd/0x60
[  611.882469][ T8044]  kobject_add_internal+0x2c8/0x960
[  611.887768][ T8044]  kobject_add+0x154/0x220
[  611.892333][ T8044]  ? kset_create_and_add+0x190/0x190
[  611.897698][ T8044]  ? do_raw_spin_unlock+0x173/0x230
[  611.902963][ T8044]  ? kobject_put+0xbe/0x440
[  611.907531][ T8044]  device_add+0x289/0x1a90
[  611.912008][ T8044]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  611.918924][ T8044]  ? __init_waitqueue_head+0xca/0x150
[  611.924455][ T8044]  tty_register_device_attr+0x382/0x7c0
[  611.930359][ T8044]  ? lockdep_init_map_type+0x16d/0x7c0
[  611.935891][ T8044]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  611.941581][ T8044]  ? lockdep_init_map_type+0x16d/0x7c0
[  611.947108][ T8044]  ? __raw_spin_lock_init+0x3a/0x110
[  611.952456][ T8044]  ? tty_port_init+0x156/0x1b0
[  611.957457][ T8044]  gsm_activate_mux+0x170/0x2f0
[  611.962544][ T8044]  gsmld_ioctl+0x876/0x1510
[  611.967124][ T8044]  ? gsm_dlci_config+0xf00/0xf00
[  611.972134][ T8044]  ? __ldsem_down_read_nested+0xe4/0x910
[  611.977831][ T8044]  ? __ldsem_down_read_nested+0xf4/0x910
[  611.983625][ T8044]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  611.989070][ T8044]  ? vt_waitactive+0x360/0x360
[  611.993907][ T8044]  ? gsm_dlci_config+0xf00/0xf00
[  611.998911][ T8044]  tty_ioctl+0x6f8/0x1550
[  612.003306][ T8044]  ? send_break+0x3e0/0x3e0
[  612.007880][ T8044]  ? reacquire_held_locks+0x4b0/0x4b0
[  612.013311][ T8044]  ? rcu_is_watching+0x12/0xb0
[  612.018347][ T8044]  ? do_one_initcall+0xf0/0x620
[  612.023263][ T8044]  ? __fget_files+0x272/0x410
[  612.028016][ T8044]  ? bpf_lsm_file_ioctl+0x9/0x10
[  612.033097][ T8044]  ? send_break+0x3e0/0x3e0
[  612.037752][ T8044]  __x64_sys_ioctl+0x18f/0x210
[  612.042652][ T8044]  do_syscall_64+0x38/0xb0
[  612.047185][ T8044]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  612.053652][ T8044] RIP: 0033:0x7fe65e0fd6e9
[  612.058375][ T8044] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  612.078419][ T8044] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  612.086888][ T8044] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  612.095187][ T8044] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  612.103289][ T8044] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  612.111306][ T8044] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  612.119496][ T8044] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  612.127532][ T8044]  </TASK>
[  612.150032][ T8044] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  612.442155][ T8047] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  612.457381][ T8047] CPU: 0 PID: 8047 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  612.466923][ T8047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  612.477111][ T8047] Call Trace:
[  612.480426][ T8047]  <TASK>
[  612.483388][ T8047]  dump_stack_lvl+0x125/0x1b0
[  612.489085][ T8047]  sysfs_warn_dup+0x7f/0xa0
[  612.493643][ T8047]  sysfs_create_dir_ns+0x237/0x290
[  612.498813][ T8047]  ? sysfs_create_mount_point+0xb0/0xb0
[  612.504412][ T8047]  ? spin_bug+0x1d0/0x1d0
[  612.508920][ T8047]  ? class_dir_child_ns_type+0xd/0x60
[  612.514612][ T8047]  kobject_add_internal+0x2c8/0x960
[  612.519950][ T8047]  kobject_add+0x154/0x220
[  612.524486][ T8047]  ? kset_create_and_add+0x190/0x190
[  612.529798][ T8047]  ? do_raw_spin_unlock+0x173/0x230
[  612.535040][ T8047]  ? kobject_put+0xbe/0x440
[  612.539578][ T8047]  device_add+0x289/0x1a90
[  612.544117][ T8047]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  612.551691][ T8047]  ? __init_waitqueue_head+0xca/0x150
[  612.557182][ T8047]  tty_register_device_attr+0x382/0x7c0
[  612.562884][ T8047]  ? lockdep_init_map_type+0x16d/0x7c0
[  612.568458][ T8047]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  612.574033][ T8047]  ? lockdep_init_map_type+0x16d/0x7c0
[  612.579523][ T8047]  ? __raw_spin_lock_init+0x3a/0x110
[  612.584921][ T8047]  ? tty_port_init+0x156/0x1b0
[  612.589879][ T8047]  gsm_activate_mux+0x170/0x2f0
[  612.594863][ T8047]  gsmld_ioctl+0x876/0x1510
[  612.599502][ T8047]  ? gsm_dlci_config+0xf00/0xf00
[  612.604469][ T8047]  ? __ldsem_down_read_nested+0xe4/0x910
[  612.610218][ T8047]  ? __ldsem_down_read_nested+0xf4/0x910
[  612.615938][ T8047]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  612.621355][ T8047]  ? vt_waitactive+0x360/0x360
[  612.626150][ T8047]  ? gsm_dlci_config+0xf00/0xf00
[  612.631116][ T8047]  tty_ioctl+0x6f8/0x1550
[  612.635483][ T8047]  ? send_break+0x3e0/0x3e0
[  612.640104][ T8047]  ? reacquire_held_locks+0x4b0/0x4b0
[  612.645586][ T8047]  ? rcu_is_watching+0x12/0xb0
[  612.650368][ T8047]  ? do_one_initcall+0xf0/0x620
[  612.655250][ T8047]  ? __fget_files+0x272/0x410
[  612.660095][ T8047]  ? bpf_lsm_file_ioctl+0x9/0x10
[  612.665313][ T8047]  ? send_break+0x3e0/0x3e0
[  612.669842][ T8047]  __x64_sys_ioctl+0x18f/0x210
[  612.674742][ T8047]  do_syscall_64+0x38/0xb0
[  612.679178][ T8047]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  612.685095][ T8047] RIP: 0033:0x7fe65e0fd6e9
[  612.689657][ T8047] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  612.709545][ T8047] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  612.718151][ T8047] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  612.726131][ T8047] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  612.734120][ T8047] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  612.742190][ T8047] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  612.750258][ T8047] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  612.758270][ T8047]  </TASK>
[  612.788491][ T8048] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  612.798069][ T8047] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  612.824758][ T8048] CPU: 0 PID: 8048 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  612.834033][ T8048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  612.844135][ T8048] Call Trace:
[  612.847459][ T8048]  <TASK>
[  612.850426][ T8048]  dump_stack_lvl+0x125/0x1b0
[  612.855165][ T8048]  sysfs_warn_dup+0x7f/0xa0
[  612.859754][ T8048]  sysfs_create_dir_ns+0x237/0x290
[  612.864923][ T8048]  ? sysfs_create_mount_point+0xb0/0xb0
[  612.870532][ T8048]  ? spin_bug+0x1d0/0x1d0
[  612.875455][ T8048]  ? class_dir_child_ns_type+0xd/0x60
[  612.880887][ T8048]  kobject_add_internal+0x2c8/0x960
[  612.886334][ T8048]  kobject_add+0x154/0x220
[  612.890823][ T8048]  ? kset_create_and_add+0x190/0x190
[  612.896173][ T8048]  ? do_raw_spin_unlock+0x173/0x230
[  612.901476][ T8048]  ? kobject_put+0xbe/0x440
[  612.906059][ T8048]  device_add+0x289/0x1a90
[  612.910822][ T8048]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  612.917921][ T8048]  ? __init_waitqueue_head+0xca/0x150
[  612.923466][ T8048]  tty_register_device_attr+0x382/0x7c0
[  612.929079][ T8048]  ? lockdep_init_map_type+0x16d/0x7c0
[  612.934613][ T8048]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  612.940218][ T8048]  ? lockdep_init_map_type+0x16d/0x7c0
[  612.945837][ T8048]  ? __raw_spin_lock_init+0x3a/0x110
[  612.951200][ T8048]  ? tty_port_init+0x156/0x1b0
[  612.956120][ T8048]  gsm_activate_mux+0x170/0x2f0
[  612.961041][ T8048]  gsmld_ioctl+0x876/0x1510
[  612.965627][ T8048]  ? gsm_dlci_config+0xf00/0xf00
[  612.970647][ T8048]  ? __ldsem_down_read_nested+0xe4/0x910
[  612.976430][ T8048]  ? __ldsem_down_read_nested+0xf4/0x910
[  612.982152][ T8048]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  612.987699][ T8048]  ? vt_waitactive+0x360/0x360
[  612.992534][ T8048]  ? gsm_dlci_config+0xf00/0xf00
[  612.997561][ T8048]  tty_ioctl+0x6f8/0x1550
[  613.002044][ T8048]  ? send_break+0x3e0/0x3e0
[  613.007052][ T8048]  ? reacquire_held_locks+0x4b0/0x4b0
[  613.012832][ T8048]  ? sigprocmask+0xf1/0x330
[  613.017401][ T8048]  ? do_sigtimedwait+0x5c0/0x5c0
[  613.022421][ T8048]  ? __fget_files+0x272/0x410
[  613.027270][ T8048]  ? bpf_lsm_file_ioctl+0x9/0x10
[  613.032243][ T8048]  ? send_break+0x3e0/0x3e0
[  613.036772][ T8048]  __x64_sys_ioctl+0x18f/0x210
[  613.041644][ T8048]  do_syscall_64+0x38/0xb0
[  613.046244][ T8048]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  613.052144][ T8048] RIP: 0033:0x7fe65e0fd6e9
[  613.056556][ T8048] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  613.076268][ T8048] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  613.084876][ T8048] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  613.092864][ T8048] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  613.100929][ T8048] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  613.108951][ T8048] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  613.116943][ T8048] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  613.125031][ T8048]  </TASK>
[  613.130443][ T8048] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  613.404950][ T8051] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  613.420810][ T8051] CPU: 0 PID: 8051 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  613.430262][ T8051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  613.440359][ T8051] Call Trace:
[  613.443676][ T8051]  <TASK>
[  613.446642][ T8051]  dump_stack_lvl+0x125/0x1b0
[  613.451370][ T8051]  sysfs_warn_dup+0x7f/0xa0
[  613.455934][ T8051]  sysfs_create_dir_ns+0x237/0x290
[  613.461104][ T8051]  ? sysfs_create_mount_point+0xb0/0xb0
[  613.466709][ T8051]  ? spin_bug+0x1d0/0x1d0
[  613.471103][ T8051]  ? class_dir_child_ns_type+0xd/0x60
[  613.476535][ T8051]  kobject_add_internal+0x2c8/0x960
[  613.481804][ T8051]  kobject_add+0x154/0x220
[  613.486293][ T8051]  ? kset_create_and_add+0x190/0x190
[  613.491648][ T8051]  ? do_raw_spin_unlock+0x173/0x230
[  613.497010][ T8051]  ? kobject_put+0xbe/0x440
[  613.501580][ T8051]  device_add+0x289/0x1a90
[  613.506062][ T8051]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  613.512980][ T8051]  ? __init_waitqueue_head+0xca/0x150
[  613.518414][ T8051]  tty_register_device_attr+0x382/0x7c0
[  613.524102][ T8051]  ? lockdep_init_map_type+0x16d/0x7c0
[  613.529685][ T8051]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  613.535258][ T8051]  ? lockdep_init_map_type+0x16d/0x7c0
[  613.540928][ T8051]  ? __raw_spin_lock_init+0x3a/0x110
[  613.546243][ T8051]  ? tty_port_init+0x156/0x1b0
[  613.551118][ T8051]  gsm_activate_mux+0x170/0x2f0
[  613.555999][ T8051]  gsmld_ioctl+0x876/0x1510
[  613.560562][ T8051]  ? gsm_dlci_config+0xf00/0xf00
[  613.565533][ T8051]  ? __ldsem_down_read_nested+0xe4/0x910
[  613.571188][ T8051]  ? __ldsem_down_read_nested+0xf4/0x910
[  613.576935][ T8051]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  613.582431][ T8051]  ? vt_waitactive+0x360/0x360
[  613.587228][ T8051]  ? gsm_dlci_config+0xf00/0xf00
[  613.592290][ T8051]  tty_ioctl+0x6f8/0x1550
[  613.596653][ T8051]  ? send_break+0x3e0/0x3e0
[  613.601184][ T8051]  ? reacquire_held_locks+0x4b0/0x4b0
[  613.607012][ T8051]  ? rcu_is_watching+0x12/0xb0
[  613.611886][ T8051]  ? do_one_initcall+0xf0/0x620
[  613.616769][ T8051]  ? __fget_files+0x272/0x410
[  613.621493][ T8051]  ? bpf_lsm_file_ioctl+0x9/0x10
[  613.626630][ T8051]  ? send_break+0x3e0/0x3e0
[  613.631248][ T8051]  __x64_sys_ioctl+0x18f/0x210
[  613.636131][ T8051]  do_syscall_64+0x38/0xb0
[  613.640571][ T8051]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  613.646489][ T8051] RIP: 0033:0x7fe65e0fd6e9
[  613.651176][ T8051] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  613.672388][ T8051] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  613.680915][ T8051] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  613.689280][ T8051] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  613.697285][ T8051] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  613.705367][ T8051] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  613.713380][ T8051] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  613.721473][ T8051]  </TASK>
[  613.747852][ T8051] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  613.752600][ T8052] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  613.783948][ T8052] CPU: 0 PID: 8052 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  613.793324][ T8052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  613.803415][ T8052] Call Trace:
[  613.806732][ T8052]  <TASK>
[  613.809693][ T8052]  dump_stack_lvl+0x125/0x1b0
[  613.814426][ T8052]  sysfs_warn_dup+0x7f/0xa0
[  613.819071][ T8052]  sysfs_create_dir_ns+0x237/0x290
[  613.824330][ T8052]  ? sysfs_create_mount_point+0xb0/0xb0
[  613.830023][ T8052]  ? spin_bug+0x1d0/0x1d0
[  613.834419][ T8052]  ? class_dir_child_ns_type+0xd/0x60
[  613.839851][ T8052]  kobject_add_internal+0x2c8/0x960
[  613.845126][ T8052]  kobject_add+0x154/0x220
[  613.849599][ T8052]  ? kset_create_and_add+0x190/0x190
[  613.854930][ T8052]  ? do_raw_spin_unlock+0x173/0x230
[  613.860276][ T8052]  ? kobject_put+0xbe/0x440
[  613.864831][ T8052]  device_add+0x289/0x1a90
[  613.869309][ T8052]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  613.876395][ T8052]  ? __init_waitqueue_head+0xca/0x150
[  613.881944][ T8052]  tty_register_device_attr+0x382/0x7c0
[  613.887683][ T8052]  ? lockdep_init_map_type+0x16d/0x7c0
[  613.893205][ T8052]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  613.898830][ T8052]  ? lockdep_init_map_type+0x16d/0x7c0
[  613.904529][ T8052]  ? __raw_spin_lock_init+0x3a/0x110
[  613.909877][ T8052]  ? tty_port_init+0x156/0x1b0
[  613.914697][ T8052]  gsm_activate_mux+0x170/0x2f0
[  613.919610][ T8052]  gsmld_ioctl+0x876/0x1510
[  613.924182][ T8052]  ? gsm_dlci_config+0xf00/0xf00
[  613.929294][ T8052]  ? __ldsem_down_read_nested+0xe4/0x910
[  613.934977][ T8052]  ? __ldsem_down_read_nested+0xf4/0x910
[  613.940661][ T8052]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  613.946188][ T8052]  ? vt_waitactive+0x360/0x360
[  613.951028][ T8052]  ? gsm_dlci_config+0xf00/0xf00
[  613.956108][ T8052]  tty_ioctl+0x6f8/0x1550
[  613.960602][ T8052]  ? send_break+0x3e0/0x3e0
[  613.965576][ T8052]  ? reacquire_held_locks+0x4b0/0x4b0
[  613.971073][ T8052]  ? sigprocmask+0xf1/0x330
[  613.975627][ T8052]  ? do_sigtimedwait+0x5c0/0x5c0
[  613.980816][ T8052]  ? __fget_files+0x272/0x410
[  613.985542][ T8052]  ? bpf_lsm_file_ioctl+0x9/0x10
[  613.990533][ T8052]  ? send_break+0x3e0/0x3e0
[  613.995770][ T8052]  __x64_sys_ioctl+0x18f/0x210
[  614.000598][ T8052]  do_syscall_64+0x38/0xb0
[  614.005036][ T8052]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  614.011038][ T8052] RIP: 0033:0x7fe65e0fd6e9
[  614.015633][ T8052] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  614.036218][ T8052] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  614.044857][ T8052] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  614.052926][ T8052] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  614.060906][ T8052] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  614.069233][ T8052] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  614.077296][ T8052] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  614.085776][ T8052]  </TASK>
[  614.091327][ T8052] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  614.361770][ T8055] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  614.380281][ T8055] CPU: 1 PID: 8055 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  614.389599][ T8055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  614.399694][ T8055] Call Trace:
[  614.403009][ T8055]  <TASK>
[  614.405981][ T8055]  dump_stack_lvl+0x125/0x1b0
[  614.410717][ T8055]  sysfs_warn_dup+0x7f/0xa0
[  614.415284][ T8055]  sysfs_create_dir_ns+0x237/0x290
[  614.420457][ T8055]  ? sysfs_create_mount_point+0xb0/0xb0
[  614.426147][ T8055]  ? spin_bug+0x1d0/0x1d0
[  614.430637][ T8055]  ? class_dir_child_ns_type+0xd/0x60
[  614.436065][ T8055]  kobject_add_internal+0x2c8/0x960
[  614.441389][ T8055]  kobject_add+0x154/0x220
[  614.446004][ T8055]  ? kset_create_and_add+0x190/0x190
[  614.451312][ T8055]  ? do_raw_spin_unlock+0x173/0x230
[  614.456545][ T8055]  ? kobject_put+0xbe/0x440
[  614.461108][ T8055]  device_add+0x289/0x1a90
[  614.465700][ T8055]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  614.472690][ T8055]  ? __init_waitqueue_head+0xca/0x150
[  614.478112][ T8055]  tty_register_device_attr+0x382/0x7c0
[  614.483903][ T8055]  ? lockdep_init_map_type+0x16d/0x7c0
[  614.489410][ T8055]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  614.494989][ T8055]  ? lockdep_init_map_type+0x16d/0x7c0
[  614.500503][ T8055]  ? __raw_spin_lock_init+0x3a/0x110
[  614.505995][ T8055]  ? tty_port_init+0x156/0x1b0
[  614.510782][ T8055]  gsm_activate_mux+0x170/0x2f0
[  614.515767][ T8055]  gsmld_ioctl+0x876/0x1510
[  614.520344][ T8055]  ? gsm_dlci_config+0xf00/0xf00
[  614.525803][ T8055]  ? __ldsem_down_read_nested+0xe4/0x910
[  614.531530][ T8055]  ? __ldsem_down_read_nested+0xf4/0x910
[  614.537251][ T8055]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  614.542681][ T8055]  ? vt_waitactive+0x360/0x360
[  614.547546][ T8055]  ? gsm_dlci_config+0xf00/0xf00
[  614.552518][ T8055]  tty_ioctl+0x6f8/0x1550
[  614.556879][ T8055]  ? send_break+0x3e0/0x3e0
[  614.561411][ T8055]  ? reacquire_held_locks+0x4b0/0x4b0
[  614.566825][ T8055]  ? rcu_is_watching+0x12/0xb0
[  614.571694][ T8055]  ? do_one_initcall+0xf0/0x620
[  614.576663][ T8055]  ? __fget_files+0x272/0x410
[  614.581377][ T8055]  ? bpf_lsm_file_ioctl+0x9/0x10
[  614.586347][ T8055]  ? send_break+0x3e0/0x3e0
[  614.590963][ T8055]  __x64_sys_ioctl+0x18f/0x210
[  614.595765][ T8055]  do_syscall_64+0x38/0xb0
[  614.600405][ T8055]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  614.606321][ T8055] RIP: 0033:0x7fe65e0fd6e9
[  614.610750][ T8055] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  614.630726][ T8055] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  614.639160][ T8055] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  614.647235][ T8055] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  614.655302][ T8055] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  614.663298][ T8055] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  614.671369][ T8055] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  614.679492][ T8055]  </TASK>
[  614.690793][ T8056] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  614.701997][ T8056] CPU: 1 PID: 8056 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  614.711266][ T8056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  614.721378][ T8056] Call Trace:
[  614.724698][ T8056]  <TASK>
[  614.727660][ T8056]  dump_stack_lvl+0x125/0x1b0
[  614.732382][ T8056]  sysfs_warn_dup+0x7f/0xa0
[  614.737002][ T8056]  sysfs_create_dir_ns+0x237/0x290
[  614.742252][ T8056]  ? sysfs_create_mount_point+0xb0/0xb0
[  614.747941][ T8056]  ? spin_bug+0x1d0/0x1d0
[  614.752356][ T8056]  ? class_dir_child_ns_type+0xd/0x60
[  614.757783][ T8056]  kobject_add_internal+0x2c8/0x960
[  614.763134][ T8056]  kobject_add+0x154/0x220
[  614.767608][ T8056]  ? kset_create_and_add+0x190/0x190
[  614.768923][ T8055] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  614.772937][ T8056]  ? do_raw_spin_unlock+0x173/0x230
[  614.792087][ T8056]  ? kobject_put+0xbe/0x440
[  614.796654][ T8056]  device_add+0x289/0x1a90
[  614.801126][ T8056]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  614.808069][ T8056]  ? __init_waitqueue_head+0xca/0x150
[  614.813598][ T8056]  tty_register_device_attr+0x382/0x7c0
[  614.819210][ T8056]  ? lockdep_init_map_type+0x16d/0x7c0
[  614.824729][ T8056]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  614.830331][ T8056]  ? lockdep_init_map_type+0x16d/0x7c0
[  614.835851][ T8056]  ? __raw_spin_lock_init+0x3a/0x110
[  614.841229][ T8056]  ? tty_port_init+0x156/0x1b0
[  614.846060][ T8056]  gsm_activate_mux+0x170/0x2f0
[  614.850979][ T8056]  gsmld_ioctl+0x876/0x1510
[  614.855652][ T8056]  ? gsm_dlci_config+0xf00/0xf00
[  614.860665][ T8056]  ? __ldsem_down_read_nested+0xe4/0x910
[  614.866357][ T8056]  ? __ldsem_down_read_nested+0xf4/0x910
[  614.872144][ T8056]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  614.877682][ T8056]  ? vt_waitactive+0x360/0x360
[  614.882520][ T8056]  ? gsm_dlci_config+0xf00/0xf00
[  614.887521][ T8056]  tty_ioctl+0x6f8/0x1550
[  614.892710][ T8056]  ? send_break+0x3e0/0x3e0
[  614.897277][ T8056]  ? reacquire_held_locks+0x4b0/0x4b0
[  614.902708][ T8056]  ? sigprocmask+0xf1/0x330
[  614.907473][ T8056]  ? do_sigtimedwait+0x5c0/0x5c0
[  614.912576][ T8056]  ? __fget_files+0x272/0x410
[  614.917322][ T8056]  ? bpf_lsm_file_ioctl+0x9/0x10
[  614.922399][ T8056]  ? send_break+0x3e0/0x3e0
[  614.926962][ T8056]  __x64_sys_ioctl+0x18f/0x210
[  614.931886][ T8056]  do_syscall_64+0x38/0xb0
[  614.936421][ T8056]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  614.942377][ T8056] RIP: 0033:0x7fe65e0fd6e9
[  614.946918][ T8056] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  614.966921][ T8056] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  614.975825][ T8056] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  614.984025][ T8056] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  614.992130][ T8056] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  615.000340][ T8056] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  615.008508][ T8056] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  615.016517][ T8056]  </TASK>
[  615.022909][ T8056] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  615.305838][ T8059] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  615.316852][ T8059] CPU: 0 PID: 8059 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  615.326298][ T8059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  615.336571][ T8059] Call Trace:
[  615.339883][ T8059]  <TASK>
[  615.342941][ T8059]  dump_stack_lvl+0x125/0x1b0
[  615.347670][ T8059]  sysfs_warn_dup+0x7f/0xa0
[  615.352231][ T8059]  sysfs_create_dir_ns+0x237/0x290
[  615.357458][ T8059]  ? sysfs_create_mount_point+0xb0/0xb0
[  615.357710][ T8060] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  615.363129][ T8059]  ? spin_bug+0x1d0/0x1d0
[  615.363177][ T8059]  ? class_dir_child_ns_type+0xd/0x60
[  615.381414][ T8059]  kobject_add_internal+0x2c8/0x960
[  615.386655][ T8059]  kobject_add+0x154/0x220
[  615.391197][ T8059]  ? kset_create_and_add+0x190/0x190
[  615.396750][ T8059]  ? do_raw_spin_unlock+0x173/0x230
[  615.402178][ T8059]  ? kobject_put+0xbe/0x440
[  615.406726][ T8059]  device_add+0x289/0x1a90
[  615.411283][ T8059]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  615.418272][ T8059]  ? __init_waitqueue_head+0xca/0x150
[  615.423765][ T8059]  tty_register_device_attr+0x382/0x7c0
[  615.429341][ T8059]  ? lockdep_init_map_type+0x16d/0x7c0
[  615.434833][ T8059]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  615.440586][ T8059]  ? lockdep_init_map_type+0x16d/0x7c0
[  615.446098][ T8059]  ? __raw_spin_lock_init+0x3a/0x110
[  615.451739][ T8059]  ? tty_port_init+0x156/0x1b0
[  615.456786][ T8059]  gsm_activate_mux+0x170/0x2f0
[  615.461871][ T8059]  gsmld_ioctl+0x876/0x1510
[  615.466517][ T8059]  ? gsm_dlci_config+0xf00/0xf00
[  615.471833][ T8059]  ? __ldsem_down_read_nested+0xe4/0x910
[  615.477485][ T8059]  ? __ldsem_down_read_nested+0xf4/0x910
[  615.483351][ T8059]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  615.488823][ T8059]  ? vt_waitactive+0x360/0x360
[  615.493667][ T8059]  ? gsm_dlci_config+0xf00/0xf00
[  615.498730][ T8059]  tty_ioctl+0x6f8/0x1550
[  615.503284][ T8059]  ? send_break+0x3e0/0x3e0
[  615.507915][ T8059]  ? reacquire_held_locks+0x4b0/0x4b0
[  615.513541][ T8059]  ? rcu_is_watching+0x12/0xb0
[  615.518413][ T8059]  ? do_one_initcall+0xf0/0x620
[  615.523383][ T8059]  ? __fget_files+0x272/0x410
[  615.528185][ T8059]  ? bpf_lsm_file_ioctl+0x9/0x10
[  615.533317][ T8059]  ? send_break+0x3e0/0x3e0
[  615.537930][ T8059]  __x64_sys_ioctl+0x18f/0x210
[  615.542811][ T8059]  do_syscall_64+0x38/0xb0
[  615.547250][ T8059]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  615.553169][ T8059] RIP: 0033:0x7fe65e0fd6e9
[  615.557601][ T8059] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  615.577607][ T8059] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  615.586270][ T8059] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  615.594361][ T8059] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  615.602433][ T8059] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  615.610460][ T8059] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  615.618489][ T8059] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  615.626490][ T8059]  </TASK>
[  615.630076][ T8060] CPU: 1 PID: 8060 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  615.639341][ T8060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  615.649611][ T8060] Call Trace:
[  615.652922][ T8060]  <TASK>
[  615.655881][ T8060]  dump_stack_lvl+0x125/0x1b0
[  615.660608][ T8060]  sysfs_warn_dup+0x7f/0xa0
[  615.665167][ T8060]  sysfs_create_dir_ns+0x237/0x290
[  615.670161][ T8059] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  615.670310][ T8060]  ? sysfs_create_mount_point+0xb0/0xb0
[  615.689937][ T8060]  ? spin_bug+0x1d0/0x1d0
[  615.694302][ T8060]  ? class_dir_child_ns_type+0xd/0x60
[  615.699723][ T8060]  kobject_add_internal+0x2c8/0x960
[  615.705152][ T8060]  kobject_add+0x154/0x220
[  615.709686][ T8060]  ? kset_create_and_add+0x190/0x190
[  615.714998][ T8060]  ? do_raw_spin_unlock+0x173/0x230
[  615.720234][ T8060]  ? kobject_put+0xbe/0x440
[  615.724867][ T8060]  device_add+0x289/0x1a90
[  615.731489][ T8060]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  615.738459][ T8060]  ? __init_waitqueue_head+0xca/0x150
[  615.743864][ T8060]  tty_register_device_attr+0x382/0x7c0
[  615.749534][ T8060]  ? lockdep_init_map_type+0x16d/0x7c0
[  615.755110][ T8060]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  615.760682][ T8060]  ? lockdep_init_map_type+0x16d/0x7c0
[  615.766172][ T8060]  ? __raw_spin_lock_init+0x3a/0x110
[  615.771493][ T8060]  ? tty_port_init+0x156/0x1b0
[  615.776443][ T8060]  gsm_activate_mux+0x170/0x2f0
[  615.781763][ T8060]  gsmld_ioctl+0x876/0x1510
[  615.786480][ T8060]  ? gsm_dlci_config+0xf00/0xf00
[  615.791463][ T8060]  ? __ldsem_down_read_nested+0xe4/0x910
[  615.797335][ T8060]  ? __ldsem_down_read_nested+0xf4/0x910
[  615.803090][ T8060]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  615.808588][ T8060]  ? vt_waitactive+0x360/0x360
[  615.813390][ T8060]  ? gsm_dlci_config+0xf00/0xf00
[  615.818358][ T8060]  tty_ioctl+0x6f8/0x1550
[  615.822719][ T8060]  ? send_break+0x3e0/0x3e0
[  615.827262][ T8060]  ? reacquire_held_locks+0x4b0/0x4b0
[  615.833268][ T8060]  ? sigprocmask+0xf1/0x330
[  615.837892][ T8060]  ? do_sigtimedwait+0x5c0/0x5c0
[  615.842870][ T8060]  ? __fget_files+0x272/0x410
[  615.847933][ T8060]  ? bpf_lsm_file_ioctl+0x9/0x10
[  615.852918][ T8060]  ? send_break+0x3e0/0x3e0
[  615.857464][ T8060]  __x64_sys_ioctl+0x18f/0x210
[  615.862261][ T8060]  do_syscall_64+0x38/0xb0
[  615.866963][ T8060]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  615.872887][ T8060] RIP: 0033:0x7fe65e0fd6e9
[  615.877751][ T8060] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  615.897380][ T8060] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  615.905814][ T8060] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  615.913800][ T8060] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  615.921787][ T8060] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  615.929864][ T8060] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  615.937846][ T8060] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  615.945880][ T8060]  </TASK>
[  615.962901][ T8060] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  616.352866][ T8063] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  616.400065][ T8063] CPU: 1 PID: 8063 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  616.409359][ T8063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  616.412461][ T8064] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  616.419697][ T8063] Call Trace:
[  616.419711][ T8063]  <TASK>
[  616.419723][ T8063]  dump_stack_lvl+0x125/0x1b0
[  616.419761][ T8063]  sysfs_warn_dup+0x7f/0xa0
[  616.419793][ T8063]  sysfs_create_dir_ns+0x237/0x290
[  616.419831][ T8063]  ? sysfs_create_mount_point+0xb0/0xb0
[  616.419866][ T8063]  ? spin_bug+0x1d0/0x1d0
[  616.419911][ T8063]  ? class_dir_child_ns_type+0xd/0x60
[  616.465130][ T8063]  kobject_add_internal+0x2c8/0x960
[  616.470682][ T8063]  kobject_add+0x154/0x220
[  616.475863][ T8063]  ? kset_create_and_add+0x190/0x190
[  616.481211][ T8063]  ? do_raw_spin_unlock+0x173/0x230
[  616.486561][ T8063]  ? kobject_put+0xbe/0x440
[  616.491362][ T8063]  device_add+0x289/0x1a90
[  616.495856][ T8063]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  616.502770][ T8063]  ? __init_waitqueue_head+0xca/0x150
[  616.508557][ T8063]  tty_register_device_attr+0x382/0x7c0
[  616.514432][ T8063]  ? lockdep_init_map_type+0x16d/0x7c0
[  616.519937][ T8063]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  616.525782][ T8063]  ? lockdep_init_map_type+0x16d/0x7c0
[  616.531903][ T8063]  ? __raw_spin_lock_init+0x3a/0x110
[  616.537498][ T8063]  ? tty_port_init+0x156/0x1b0
[  616.542408][ T8063]  gsm_activate_mux+0x170/0x2f0
[  616.547409][ T8063]  gsmld_ioctl+0x876/0x1510
[  616.551979][ T8063]  ? gsm_dlci_config+0xf00/0xf00
[  616.556968][ T8063]  ? __ldsem_down_read_nested+0xe4/0x910
[  616.562629][ T8063]  ? __ldsem_down_read_nested+0xf4/0x910
[  616.568395][ T8063]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  616.573812][ T8063]  ? vt_waitactive+0x360/0x360
[  616.578710][ T8063]  ? gsm_dlci_config+0xf00/0xf00
[  616.583778][ T8063]  tty_ioctl+0x6f8/0x1550
[  616.588232][ T8063]  ? send_break+0x3e0/0x3e0
[  616.592879][ T8063]  ? reacquire_held_locks+0x4b0/0x4b0
[  616.598403][ T8063]  ? rcu_is_watching+0x12/0xb0
[  616.603324][ T8063]  ? do_one_initcall+0xf0/0x620
[  616.608351][ T8063]  ? __fget_files+0x272/0x410
[  616.613114][ T8063]  ? bpf_lsm_file_ioctl+0x9/0x10
[  616.618351][ T8063]  ? send_break+0x3e0/0x3e0
[  616.622918][ T8063]  __x64_sys_ioctl+0x18f/0x210
[  616.627747][ T8063]  do_syscall_64+0x38/0xb0
[  616.632365][ T8063]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  616.638383][ T8063] RIP: 0033:0x7fe65e0fd6e9
[  616.642922][ T8063] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  616.662659][ T8063] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  616.671113][ T8063] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  616.679975][ T8063] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  616.688137][ T8063] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  616.696239][ T8063] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  616.704426][ T8063] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  616.712563][ T8063]  </TASK>
[  616.728900][ T8063] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  616.737622][ T8064] CPU: 0 PID: 8064 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  616.752154][ T8064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  616.762330][ T8064] Call Trace:
[  616.765667][ T8064]  <TASK>
[  616.768644][ T8064]  dump_stack_lvl+0x125/0x1b0
[  616.773378][ T8064]  sysfs_warn_dup+0x7f/0xa0
[  616.777944][ T8064]  sysfs_create_dir_ns+0x237/0x290
[  616.783198][ T8064]  ? sysfs_create_mount_point+0xb0/0xb0
[  616.788888][ T8064]  ? spin_bug+0x1d0/0x1d0
[  616.793288][ T8064]  ? class_dir_child_ns_type+0xd/0x60
[  616.798817][ T8064]  kobject_add_internal+0x2c8/0x960
[  616.804088][ T8064]  kobject_add+0x154/0x220
[  616.808565][ T8064]  ? kset_create_and_add+0x190/0x190
[  616.813917][ T8064]  ? do_raw_spin_unlock+0x173/0x230
[  616.819285][ T8064]  ? kobject_put+0xbe/0x440
[  616.824050][ T8064]  device_add+0x289/0x1a90
[  616.828564][ T8064]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  616.835497][ T8064]  ? __init_waitqueue_head+0xca/0x150
[  616.840930][ T8064]  tty_register_device_attr+0x382/0x7c0
[  616.846539][ T8064]  ? lockdep_init_map_type+0x16d/0x7c0
[  616.852055][ T8064]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  616.857654][ T8064]  ? lockdep_init_map_type+0x16d/0x7c0
[  616.863154][ T8064]  ? __raw_spin_lock_init+0x3a/0x110
[  616.868656][ T8064]  ? tty_port_init+0x156/0x1b0
[  616.873539][ T8064]  gsm_activate_mux+0x170/0x2f0
[  616.878514][ T8064]  gsmld_ioctl+0x876/0x1510
[  616.883057][ T8064]  ? gsm_dlci_config+0xf00/0xf00
[  616.888027][ T8064]  ? __ldsem_down_read_nested+0xe4/0x910
[  616.893679][ T8064]  ? __ldsem_down_read_nested+0xf4/0x910
[  616.899338][ T8064]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  616.904743][ T8064]  ? vt_waitactive+0x360/0x360
[  616.909577][ T8064]  ? gsm_dlci_config+0xf00/0xf00
[  616.914561][ T8064]  tty_ioctl+0x6f8/0x1550
[  616.918936][ T8064]  ? send_break+0x3e0/0x3e0
[  616.923486][ T8064]  ? reacquire_held_locks+0x4b0/0x4b0
[  616.928890][ T8064]  ? sigprocmask+0xf1/0x330
[  616.933428][ T8064]  ? do_sigtimedwait+0x5c0/0x5c0
[  616.938405][ T8064]  ? __fget_files+0x272/0x410
[  616.943118][ T8064]  ? bpf_lsm_file_ioctl+0x9/0x10
[  616.948112][ T8064]  ? send_break+0x3e0/0x3e0
[  616.952685][ T8064]  __x64_sys_ioctl+0x18f/0x210
[  616.957688][ T8064]  do_syscall_64+0x38/0xb0
[  616.962203][ T8064]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  616.968571][ T8064] RIP: 0033:0x7fe65e0fd6e9
[  616.973235][ T8064] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  616.993327][ T8064] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  617.001870][ T8064] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  617.009928][ T8064] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  617.017972][ T8064] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  617.026151][ T8064] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  617.034223][ T8064] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  617.042579][ T8064]  </TASK>
[  617.048393][ T8064] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  617.358235][ T8067] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  617.389700][ T8067] CPU: 1 PID: 8067 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  617.399158][ T8067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  617.409443][ T8067] Call Trace:
[  617.412766][ T8067]  <TASK>
[  617.415904][ T8067]  dump_stack_lvl+0x125/0x1b0
[  617.420639][ T8067]  sysfs_warn_dup+0x7f/0xa0
[  617.425199][ T8067]  sysfs_create_dir_ns+0x237/0x290
[  617.430357][ T8067]  ? sysfs_create_mount_point+0xb0/0xb0
[  617.435964][ T8067]  ? spin_bug+0x1d0/0x1d0
[  617.440378][ T8067]  ? class_dir_child_ns_type+0xd/0x60
[  617.445892][ T8067]  kobject_add_internal+0x2c8/0x960
[  617.451146][ T8067]  kobject_add+0x154/0x220
[  617.455703][ T8067]  ? kset_create_and_add+0x190/0x190
[  617.461393][ T8067]  ? do_raw_spin_unlock+0x173/0x230
[  617.466660][ T8067]  ? kobject_put+0xbe/0x440
[  617.471496][ T8067]  device_add+0x289/0x1a90
[  617.476099][ T8067]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  617.483028][ T8067]  ? __init_waitqueue_head+0xca/0x150
[  617.488478][ T8067]  tty_register_device_attr+0x382/0x7c0
[  617.494100][ T8067]  ? lockdep_init_map_type+0x16d/0x7c0
[  617.499708][ T8067]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  617.505467][ T8067]  ? lockdep_init_map_type+0x16d/0x7c0
[  617.510962][ T8067]  ? __raw_spin_lock_init+0x3a/0x110
[  617.516279][ T8067]  ? tty_port_init+0x156/0x1b0
[  617.521086][ T8067]  gsm_activate_mux+0x170/0x2f0
[  617.526058][ T8067]  gsmld_ioctl+0x876/0x1510
[  617.530867][ T8067]  ? gsm_dlci_config+0xf00/0xf00
[  617.535837][ T8067]  ? __ldsem_down_read_nested+0xe4/0x910
[  617.541490][ T8067]  ? __ldsem_down_read_nested+0xf4/0x910
[  617.547201][ T8067]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  617.552702][ T8067]  ? vt_waitactive+0x360/0x360
[  617.557761][ T8067]  ? gsm_dlci_config+0xf00/0xf00
[  617.562727][ T8067]  tty_ioctl+0x6f8/0x1550
[  617.567115][ T8067]  ? send_break+0x3e0/0x3e0
[  617.571687][ T8067]  ? reacquire_held_locks+0x4b0/0x4b0
[  617.578492][ T8067]  ? rcu_is_watching+0x12/0xb0
[  617.583288][ T8067]  ? do_one_initcall+0xf0/0x620
[  617.588208][ T8067]  ? __fget_files+0x272/0x410
[  617.592927][ T8067]  ? bpf_lsm_file_ioctl+0x9/0x10
[  617.597890][ T8067]  ? send_break+0x3e0/0x3e0
[  617.602423][ T8067]  __x64_sys_ioctl+0x18f/0x210
[  617.607227][ T8067]  do_syscall_64+0x38/0xb0
[  617.611667][ T8067]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  617.617614][ T8067] RIP: 0033:0x7fe65e0fd6e9
[  617.622061][ T8067] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  617.642048][ T8067] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  617.650482][ T8067] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  617.658467][ T8067] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  617.666464][ T8067] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  617.674488][ T8067] R10: 00007fe65e09cf46 R11: 0000000000000246 R12: 00007fe65e154074
[  617.682492][ T8067] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  617.690498][ T8067]  </TASK>
[  617.695679][ T8067] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  618.084372][ T8070] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  618.092905][ T8070] CPU: 0 PID: 8070 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  618.102194][ T8070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  618.112908][ T8070] Call Trace:
[  618.116228][ T8070]  <TASK>
[  618.119190][ T8070]  dump_stack_lvl+0x125/0x1b0
[  618.123927][ T8070]  sysfs_warn_dup+0x7f/0xa0
[  618.128493][ T8070]  sysfs_create_dir_ns+0x237/0x290
[  618.133742][ T8070]  ? sysfs_create_mount_point+0xb0/0xb0
[  618.136233][ T8071] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  618.139315][ T8070]  ? spin_bug+0x1d0/0x1d0
[  618.152348][ T8070]  ? class_dir_child_ns_type+0xd/0x60
[  618.157753][ T8070]  kobject_add_internal+0x2c8/0x960
[  618.162986][ T8070]  kobject_add+0x154/0x220
[  618.167424][ T8070]  ? kset_create_and_add+0x190/0x190
[  618.172758][ T8070]  ? do_raw_spin_unlock+0x173/0x230
[  618.178178][ T8070]  ? kobject_put+0xbe/0x440
[  618.182738][ T8070]  device_add+0x289/0x1a90
[  618.187465][ T8070]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  618.194451][ T8070]  ? __init_waitqueue_head+0xca/0x150
[  618.199945][ T8070]  tty_register_device_attr+0x382/0x7c0
[  618.205609][ T8070]  ? lockdep_init_map_type+0x16d/0x7c0
[  618.211183][ T8070]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  618.216843][ T8070]  ? lockdep_init_map_type+0x16d/0x7c0
[  618.222347][ T8070]  ? __raw_spin_lock_init+0x3a/0x110
[  618.227664][ T8070]  ? tty_port_init+0x156/0x1b0
[  618.232462][ T8070]  gsm_activate_mux+0x170/0x2f0
[  618.237702][ T8070]  gsmld_ioctl+0x876/0x1510
[  618.242246][ T8070]  ? gsm_dlci_config+0xf00/0xf00
[  618.247304][ T8070]  ? __ldsem_down_read_nested+0xe4/0x910
[  618.253046][ T8070]  ? __ldsem_down_read_nested+0xf4/0x910
[  618.258819][ T8070]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  618.264230][ T8070]  ? vt_waitactive+0x360/0x360
[  618.269029][ T8070]  ? gsm_dlci_config+0xf00/0xf00
[  618.273995][ T8070]  tty_ioctl+0x6f8/0x1550
[  618.278533][ T8070]  ? send_break+0x3e0/0x3e0
[  618.283088][ T8070]  ? reacquire_held_locks+0x4b0/0x4b0
[  618.288495][ T8070]  ? rcu_is_watching+0x12/0xb0
[  618.293373][ T8070]  ? do_one_initcall+0xf0/0x620
[  618.298258][ T8070]  ? __fget_files+0x272/0x410
[  618.302993][ T8070]  ? bpf_lsm_file_ioctl+0x9/0x10
[  618.308089][ T8070]  ? send_break+0x3e0/0x3e0
[  618.312636][ T8070]  __x64_sys_ioctl+0x18f/0x210
[  618.317528][ T8070]  do_syscall_64+0x38/0xb0
[  618.321970][ T8070]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  618.327975][ T8070] RIP: 0033:0x7fe65e0fd6e9
[  618.332501][ T8070] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  618.352737][ T8070] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  618.361332][ T8070] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  618.369345][ T8070] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  618.377354][ T8070] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  618.385341][ T8070] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  618.393516][ T8070] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  618.401696][ T8070]  </TASK>
[  618.457007][ T8071] CPU: 0 PID: 8071 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  618.464087][ T8070] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  618.466253][ T8071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  618.466272][ T8071] Call Trace:
[  618.466282][ T8071]  <TASK>
[  618.466294][ T8071]  dump_stack_lvl+0x125/0x1b0
[  618.501971][ T8071]  sysfs_warn_dup+0x7f/0xa0
[  618.506686][ T8071]  sysfs_create_dir_ns+0x237/0x290
[  618.512014][ T8071]  ? sysfs_create_mount_point+0xb0/0xb0
[  618.517582][ T8071]  ? spin_bug+0x1d0/0x1d0
[  618.521950][ T8071]  ? class_dir_child_ns_type+0xd/0x60
[  618.527364][ T8071]  kobject_add_internal+0x2c8/0x960
[  618.533019][ T8071]  kobject_add+0x154/0x220
[  618.537485][ T8071]  ? kset_create_and_add+0x190/0x190
[  618.542804][ T8071]  ? do_raw_spin_unlock+0x173/0x230
[  618.548044][ T8071]  ? kobject_put+0xbe/0x440
[  618.552934][ T8071]  device_add+0x289/0x1a90
[  618.557386][ T8071]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  618.564309][ T8071]  ? __init_waitqueue_head+0xca/0x150
[  618.569731][ T8071]  tty_register_device_attr+0x382/0x7c0
[  618.575580][ T8071]  ? lockdep_init_map_type+0x16d/0x7c0
[  618.581072][ T8071]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  618.586669][ T8071]  ? lockdep_init_map_type+0x16d/0x7c0
[  618.592166][ T8071]  ? __raw_spin_lock_init+0x3a/0x110
[  618.597494][ T8071]  ? tty_port_init+0x156/0x1b0
[  618.602282][ T8071]  gsm_activate_mux+0x170/0x2f0
[  618.607166][ T8071]  gsmld_ioctl+0x876/0x1510
[  618.611714][ T8071]  ? gsm_dlci_config+0xf00/0xf00
[  618.616792][ T8071]  ? __ldsem_down_read_nested+0xe4/0x910
[  618.622535][ T8071]  ? __ldsem_down_read_nested+0xf4/0x910
[  618.628195][ T8071]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  618.634731][ T8071]  ? vt_waitactive+0x360/0x360
[  618.639534][ T8071]  ? gsm_dlci_config+0xf00/0xf00
[  618.644498][ T8071]  tty_ioctl+0x6f8/0x1550
[  618.649116][ T8071]  ? send_break+0x3e0/0x3e0
[  618.653659][ T8071]  ? reacquire_held_locks+0x4b0/0x4b0
[  618.659057][ T8071]  ? sigprocmask+0xf1/0x330
[  618.663590][ T8071]  ? do_sigtimedwait+0x5c0/0x5c0
[  618.668568][ T8071]  ? __fget_files+0x272/0x410
[  618.673278][ T8071]  ? bpf_lsm_file_ioctl+0x9/0x10
[  618.678421][ T8071]  ? send_break+0x3e0/0x3e0
[  618.682951][ T8071]  __x64_sys_ioctl+0x18f/0x210
[  618.687756][ T8071]  do_syscall_64+0x38/0xb0
[  618.692375][ T8071]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  618.698375][ T8071] RIP: 0033:0x7fe65e0fd6e9
[  618.702822][ T8071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  618.722542][ T8071] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  618.731150][ T8071] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  618.739132][ T8071] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  618.747200][ T8071] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  618.755271][ T8071] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  618.763689][ T8071] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  618.771781][ T8071]  </TASK>
[  618.781534][ T8071] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  619.147106][ T8074] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  619.161316][ T8074] CPU: 0 PID: 8074 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  619.170915][ T8074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  619.181018][ T8074] Call Trace:
[  619.184415][ T8074]  <TASK>
[  619.187727][ T8074]  dump_stack_lvl+0x125/0x1b0
[  619.192458][ T8074]  sysfs_warn_dup+0x7f/0xa0
[  619.197279][ T8074]  sysfs_create_dir_ns+0x237/0x290
[  619.202456][ T8074]  ? sysfs_create_mount_point+0xb0/0xb0
[  619.208061][ T8074]  ? spin_bug+0x1d0/0x1d0
[  619.212456][ T8074]  ? class_dir_child_ns_type+0xd/0x60
[  619.217889][ T8074]  kobject_add_internal+0x2c8/0x960
[  619.223157][ T8074]  kobject_add+0x154/0x220
[  619.227630][ T8074]  ? kset_create_and_add+0x190/0x190
[  619.232989][ T8074]  ? do_raw_spin_unlock+0x173/0x230
[  619.238345][ T8074]  ? kobject_put+0xbe/0x440
[  619.242911][ T8074]  device_add+0x289/0x1a90
[  619.247487][ T8074]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  619.254407][ T8074]  ? __init_waitqueue_head+0xca/0x150
[  619.259944][ T8074]  tty_register_device_attr+0x382/0x7c0
[  619.265745][ T8074]  ? lockdep_init_map_type+0x16d/0x7c0
[  619.271262][ T8074]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  619.277109][ T8074]  ? lockdep_init_map_type+0x16d/0x7c0
[  619.282694][ T8074]  ? __raw_spin_lock_init+0x3a/0x110
[  619.288360][ T8074]  ? tty_port_init+0x156/0x1b0
[  619.293146][ T8074]  gsm_activate_mux+0x170/0x2f0
[  619.298119][ T8074]  gsmld_ioctl+0x876/0x1510
[  619.302834][ T8074]  ? gsm_dlci_config+0xf00/0xf00
[  619.308147][ T8074]  ? __ldsem_down_read_nested+0xe4/0x910
[  619.313800][ T8074]  ? __ldsem_down_read_nested+0xf4/0x910
[  619.319478][ T8074]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  619.324910][ T8074]  ? vt_waitactive+0x360/0x360
[  619.329842][ T8074]  ? gsm_dlci_config+0xf00/0xf00
[  619.334812][ T8074]  tty_ioctl+0x6f8/0x1550
[  619.339298][ T8074]  ? send_break+0x3e0/0x3e0
[  619.344028][ T8074]  ? reacquire_held_locks+0x4b0/0x4b0
[  619.349711][ T8074]  ? rcu_is_watching+0x12/0xb0
[  619.354502][ T8074]  ? do_one_initcall+0xf0/0x620
[  619.359475][ T8074]  ? __fget_files+0x272/0x410
[  619.364187][ T8074]  ? bpf_lsm_file_ioctl+0x9/0x10
[  619.369167][ T8074]  ? send_break+0x3e0/0x3e0
[  619.373961][ T8074]  __x64_sys_ioctl+0x18f/0x210
[  619.379014][ T8074]  do_syscall_64+0x38/0xb0
[  619.383470][ T8074]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  619.389510][ T8074] RIP: 0033:0x7fe65e0fd6e9
[  619.394361][ T8074] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  619.414359][ T8074] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  619.422815][ T8074] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  619.431098][ T8074] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  619.439203][ T8074] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  619.447198][ T8074] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  619.455207][ T8074] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  619.463342][ T8074]  </TASK>
[  619.477618][ T8075] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  619.487019][ T8075] CPU: 0 PID: 8075 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  619.496345][ T8075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  619.506615][ T8075] Call Trace:
[  619.509908][ T8075]  <TASK>
[  619.512848][ T8075]  dump_stack_lvl+0x125/0x1b0
[  619.517552][ T8075]  sysfs_warn_dup+0x7f/0xa0
[  619.522165][ T8075]  sysfs_create_dir_ns+0x237/0x290
[  619.527390][ T8075]  ? sysfs_create_mount_point+0xb0/0xb0
[  619.533073][ T8075]  ? spin_bug+0x1d0/0x1d0
[  619.537609][ T8075]  ? class_dir_child_ns_type+0xd/0x60
[  619.543041][ T8075]  kobject_add_internal+0x2c8/0x960
[  619.548294][ T8075]  kobject_add+0x154/0x220
[  619.552736][ T8075]  ? kset_create_and_add+0x190/0x190
[  619.558133][ T8075]  ? do_raw_spin_unlock+0x173/0x230
[  619.563364][ T8075]  ? kobject_put+0xbe/0x440
[  619.567926][ T8075]  device_add+0x289/0x1a90
[  619.572404][ T8075]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  619.579333][ T8075]  ? __init_waitqueue_head+0xca/0x150
[  619.584756][ T8075]  tty_register_device_attr+0x382/0x7c0
[  619.590355][ T8075]  ? lockdep_init_map_type+0x16d/0x7c0
[  619.595860][ T8075]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  619.601431][ T8075]  ? lockdep_init_map_type+0x16d/0x7c0
[  619.606929][ T8075]  ? __raw_spin_lock_init+0x3a/0x110
[  619.612255][ T8075]  ? tty_port_init+0x156/0x1b0
[  619.617090][ T8075]  gsm_activate_mux+0x170/0x2f0
[  619.621974][ T8075]  gsmld_ioctl+0x876/0x1510
[  619.626536][ T8075]  ? gsm_dlci_config+0xf00/0xf00
[  619.631596][ T8075]  ? __ldsem_down_read_nested+0xe4/0x910
[  619.637339][ T8075]  ? __ldsem_down_read_nested+0xf4/0x910
[  619.643089][ T8075]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  619.648523][ T8075]  ? vt_waitactive+0x360/0x360
[  619.653321][ T8075]  ? gsm_dlci_config+0xf00/0xf00
[  619.658292][ T8075]  tty_ioctl+0x6f8/0x1550
[  619.662654][ T8075]  ? send_break+0x3e0/0x3e0
[  619.667231][ T8075]  ? reacquire_held_locks+0x4b0/0x4b0
[  619.672648][ T8075]  ? sigprocmask+0xf1/0x330
[  619.677190][ T8075]  ? do_sigtimedwait+0x5c0/0x5c0
[  619.682374][ T8075]  ? __fget_files+0x272/0x410
[  619.687198][ T8075]  ? bpf_lsm_file_ioctl+0x9/0x10
[  619.692527][ T8075]  ? send_break+0x3e0/0x3e0
[  619.697076][ T8075]  __x64_sys_ioctl+0x18f/0x210
[  619.701885][ T8075]  do_syscall_64+0x38/0xb0
[  619.706496][ T8075]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  619.712417][ T8075] RIP: 0033:0x7fe65e0fd6e9
[  619.716846][ T8075] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  619.736495][ T8075] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  619.744967][ T8075] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  619.753036][ T8075] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  619.761019][ T8075] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  619.769004][ T8075] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  619.777080][ T8075] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  619.785273][ T8075]  </TASK>
[  619.788573][ T8074] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  619.794021][ T8075] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  620.182642][ T8078] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  620.197545][ T8078] CPU: 0 PID: 8078 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  620.207008][ T8078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  620.217201][ T8078] Call Trace:
[  620.220512][ T8078]  <TASK>
[  620.223472][ T8078]  dump_stack_lvl+0x125/0x1b0
[  620.228221][ T8078]  sysfs_warn_dup+0x7f/0xa0
[  620.232775][ T8078]  sysfs_create_dir_ns+0x237/0x290
[  620.237946][ T8078]  ? sysfs_create_mount_point+0xb0/0xb0
[  620.243537][ T8078]  ? spin_bug+0x1d0/0x1d0
[  620.247926][ T8078]  ? class_dir_child_ns_type+0xd/0x60
[  620.253350][ T8078]  kobject_add_internal+0x2c8/0x960
[  620.258606][ T8078]  kobject_add+0x154/0x220
[  620.263075][ T8078]  ? kset_create_and_add+0x190/0x190
[  620.268760][ T8078]  ? do_raw_spin_unlock+0x173/0x230
[  620.274037][ T8078]  ? kobject_put+0xbe/0x440
[  620.279039][ T8078]  device_add+0x289/0x1a90
[  620.283600][ T8078]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  620.290795][ T8078]  ? __init_waitqueue_head+0xca/0x150
[  620.296321][ T8078]  tty_register_device_attr+0x382/0x7c0
[  620.302546][ T8078]  ? lockdep_init_map_type+0x16d/0x7c0
[  620.308243][ T8078]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  620.313850][ T8078]  ? lockdep_init_map_type+0x16d/0x7c0
[  620.319382][ T8078]  ? __raw_spin_lock_init+0x3a/0x110
[  620.324730][ T8078]  ? tty_port_init+0x156/0x1b0
[  620.329556][ T8078]  gsm_activate_mux+0x170/0x2f0
[  620.334476][ T8078]  gsmld_ioctl+0x876/0x1510
[  620.339046][ T8078]  ? gsm_dlci_config+0xf00/0xf00
[  620.344046][ T8078]  ? __ldsem_down_read_nested+0xe4/0x910
[  620.349728][ T8078]  ? __ldsem_down_read_nested+0xf4/0x910
[  620.355433][ T8078]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  620.360970][ T8078]  ? vt_waitactive+0x360/0x360
[  620.365895][ T8078]  ? gsm_dlci_config+0xf00/0xf00
[  620.370989][ T8078]  tty_ioctl+0x6f8/0x1550
[  620.375480][ T8078]  ? send_break+0x3e0/0x3e0
[  620.380146][ T8078]  ? reacquire_held_locks+0x4b0/0x4b0
[  620.385575][ T8078]  ? rcu_is_watching+0x12/0xb0
[  620.390569][ T8078]  ? do_one_initcall+0xf0/0x620
[  620.395660][ T8078]  ? __fget_files+0x272/0x410
[  620.400418][ T8078]  ? bpf_lsm_file_ioctl+0x9/0x10
[  620.405490][ T8078]  ? send_break+0x3e0/0x3e0
[  620.410147][ T8078]  __x64_sys_ioctl+0x18f/0x210
[  620.414980][ T8078]  do_syscall_64+0x38/0xb0
[  620.419465][ T8078]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  620.425412][ T8078] RIP: 0033:0x7fe65e0fd6e9
[  620.429952][ T8078] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  620.450296][ T8078] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  620.459057][ T8078] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  620.467110][ T8078] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  620.475149][ T8078] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  620.483424][ T8078] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  620.491443][ T8078] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  620.499651][ T8078]  </TASK>
[  620.511364][ T8078] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  620.789385][ T8082] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  620.802352][ T8082] CPU: 1 PID: 8082 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  620.811713][ T8082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  620.821855][ T8082] Call Trace:
[  620.825182][ T8082]  <TASK>
[  620.828240][ T8082]  dump_stack_lvl+0x125/0x1b0
[  620.832998][ T8082]  sysfs_warn_dup+0x7f/0xa0
[  620.837562][ T8082]  sysfs_create_dir_ns+0x237/0x290
[  620.842814][ T8082]  ? sysfs_create_mount_point+0xb0/0xb0
[  620.848391][ T8082]  ? spin_bug+0x1d0/0x1d0
[  620.852755][ T8082]  ? class_dir_child_ns_type+0xd/0x60
[  620.858154][ T8082]  kobject_add_internal+0x2c8/0x960
[  620.863393][ T8082]  kobject_add+0x154/0x220
[  620.867832][ T8082]  ? kset_create_and_add+0x190/0x190
[  620.873144][ T8082]  ? do_raw_spin_unlock+0x173/0x230
[  620.878375][ T8082]  ? kobject_put+0xbe/0x440
[  620.882919][ T8082]  device_add+0x289/0x1a90
[  620.887366][ T8082]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  620.894245][ T8082]  ? __init_waitqueue_head+0xca/0x150
[  620.899662][ T8082]  tty_register_device_attr+0x382/0x7c0
[  620.905236][ T8082]  ? lockdep_init_map_type+0x16d/0x7c0
[  620.910865][ T8082]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  620.916437][ T8082]  ? lockdep_init_map_type+0x16d/0x7c0
[  620.922015][ T8082]  ? __raw_spin_lock_init+0x3a/0x110
[  620.927360][ T8082]  ? tty_port_init+0x156/0x1b0
[  620.932145][ T8082]  gsm_activate_mux+0x170/0x2f0
[  620.937031][ T8082]  gsmld_ioctl+0x876/0x1510
[  620.941572][ T8082]  ? gsm_dlci_config+0xf00/0xf00
[  620.946715][ T8082]  ? __ldsem_down_read_nested+0xe4/0x910
[  620.952368][ T8082]  ? __ldsem_down_read_nested+0xf4/0x910
[  620.958026][ T8082]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  620.963518][ T8082]  ? vt_waitactive+0x360/0x360
[  620.968400][ T8082]  ? gsm_dlci_config+0xf00/0xf00
[  620.973799][ T8082]  tty_ioctl+0x6f8/0x1550
[  620.978158][ T8082]  ? send_break+0x3e0/0x3e0
[  620.982702][ T8082]  ? reacquire_held_locks+0x4b0/0x4b0
[  620.988197][ T8082]  ? rcu_is_watching+0x12/0xb0
[  620.992989][ T8082]  ? do_one_initcall+0xf0/0x620
[  620.998132][ T8082]  ? __fget_files+0x272/0x410
[  621.003105][ T8082]  ? bpf_lsm_file_ioctl+0x9/0x10
[  621.008189][ T8082]  ? send_break+0x3e0/0x3e0
[  621.013185][ T8082]  __x64_sys_ioctl+0x18f/0x210
[  621.018271][ T8082]  do_syscall_64+0x38/0xb0
[  621.022724][ T8082]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  621.028669][ T8082] RIP: 0033:0x7fe65e0fd6e9
[  621.033193][ T8082] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  621.053177][ T8082] RSP: 002b:00007fe65e09d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  621.061663][ T8082] RAX: ffffffffffffffda RBX: 00007fe65e1873f8 RCX: 00007fe65e0fd6e9
[  621.069995][ T8082] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  621.078068][ T8082] RBP: 00007fe65e1873f0 R08: 00007fe65e09d6c0 R09: 00007fe65e09d6c0
[  621.086069][ T8082] R10: 00007fe65e09d6c0 R11: 0000000000000246 R12: 00007fe65e154074
[  621.094316][ T8082] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  621.102587][ T8082]  </TASK>
[  621.145071][ T8083] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  621.152847][ T8082] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  621.173462][ T8083] CPU: 0 PID: 8083 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  621.182827][ T8083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  621.193002][ T8083] Call Trace:
[  621.196481][ T8083]  <TASK>
[  621.199426][ T8083]  dump_stack_lvl+0x125/0x1b0
[  621.204130][ T8083]  sysfs_warn_dup+0x7f/0xa0
[  621.208659][ T8083]  sysfs_create_dir_ns+0x237/0x290
[  621.213795][ T8083]  ? sysfs_create_mount_point+0xb0/0xb0
[  621.219362][ T8083]  ? spin_bug+0x1d0/0x1d0
[  621.223726][ T8083]  ? class_dir_child_ns_type+0xd/0x60
[  621.229127][ T8083]  kobject_add_internal+0x2c8/0x960
[  621.234357][ T8083]  kobject_add+0x154/0x220
[  621.238890][ T8083]  ? kset_create_and_add+0x190/0x190
[  621.244208][ T8083]  ? do_raw_spin_unlock+0x173/0x230
[  621.249531][ T8083]  ? kobject_put+0xbe/0x440
[  621.254154][ T8083]  device_add+0x289/0x1a90
[  621.258622][ T8083]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  621.265588][ T8083]  ? __init_waitqueue_head+0xca/0x150
[  621.271774][ T8083]  tty_register_device_attr+0x382/0x7c0
[  621.277756][ T8083]  ? lockdep_init_map_type+0x16d/0x7c0
[  621.283381][ T8083]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  621.288976][ T8083]  ? lockdep_init_map_type+0x16d/0x7c0
[  621.294478][ T8083]  ? __raw_spin_lock_init+0x3a/0x110
[  621.299885][ T8083]  ? tty_port_init+0x156/0x1b0
[  621.304699][ T8083]  gsm_activate_mux+0x170/0x2f0
[  621.309621][ T8083]  gsmld_ioctl+0x876/0x1510
[  621.314183][ T8083]  ? gsm_dlci_config+0xf00/0xf00
[  621.319158][ T8083]  ? __ldsem_down_read_nested+0xe4/0x910
[  621.324813][ T8083]  ? __ldsem_down_read_nested+0xf4/0x910
[  621.330477][ T8083]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  621.336234][ T8083]  ? vt_waitactive+0x360/0x360
[  621.341037][ T8083]  ? gsm_dlci_config+0xf00/0xf00
[  621.346018][ T8083]  tty_ioctl+0x6f8/0x1550
[  621.350475][ T8083]  ? send_break+0x3e0/0x3e0
[  621.355099][ T8083]  ? reacquire_held_locks+0x4b0/0x4b0
[  621.360561][ T8083]  ? sigprocmask+0xf1/0x330
[  621.365136][ T8083]  ? do_sigtimedwait+0x5c0/0x5c0
[  621.370134][ T8083]  ? __fget_files+0x272/0x410
[  621.375457][ T8083]  ? bpf_lsm_file_ioctl+0x9/0x10
[  621.381121][ T8083]  ? send_break+0x3e0/0x3e0
[  621.385745][ T8083]  __x64_sys_ioctl+0x18f/0x210
[  621.390633][ T8083]  do_syscall_64+0x38/0xb0
[  621.395075][ T8083]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  621.401001][ T8083] RIP: 0033:0x7fe65e0fd6e9
[  621.405432][ T8083] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  621.425145][ T8083] RSP: 002b:00007fe65e07c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  621.433670][ T8083] RAX: ffffffffffffffda RBX: 00007fe65e187408 RCX: 00007fe65e0fd6e9
[  621.441828][ T8083] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  621.449808][ T8083] RBP: 00007fe65e187400 R08: 00007ffc5d6ea897 R09: 00007fe65e07c6c0
[  621.457830][ T8083] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe65e154074
[  621.466010][ T8083] R13: 000000000000006e R14: 00007ffc5d6ea7b0 R15: 00007ffc5d6ea898
[  621.474022][ T8083]  </TASK>
[  621.492023][ T8083] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  621.868939][ T8086] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  621.890319][ T8086] CPU: 0 PID: 8086 Comm: syz-executor176 Not tainted 6.6.0-rc3-syzkaller-dirty #0
[  621.899596][ T8086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[  621.909786][ T8086] Call Trace:
[  621.913125][ T8086]  <TASK>
[  621.916090][ T8086]  dump_stack_lvl+0x125/0x1b0
[  621.920818][ T8086]  sysfs_warn_dup+0x7f/0xa0
[  621.925373][ T8086]  sysfs_create_dir_ns+0x237/0x290
[  621.930634][ T8086]  ? sysfs_create_mount_point+0xb0/0xb0
[  621.936238][ T8086]  ? spin_bug+0x1d0/0x1d0
[  621.940630][ T8086]  ? class_dir_child_ns_type+0xd/0x60
[  621.946842][ T8086]  kobject_add_internal+0x2c8/0x960
[  621.952114][ T8086]  kobject_add+0x154/0x220
[  621.956580][ T8086]  ? kset_create_and_add+0x190/0x190
[  621.961927][ T8086]  ? do_raw_spin_unlock+0x173/0x230
[  621.967457][ T8086]  ? kobject_put+0xbe/0x440
[  621.972031][ T8086]  device_add+0x289/0x1a90
[  621.976597][ T8086]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  621.983527][ T8086]  ? __init_waitqueue_head+0xca/0x150
[  621.989584][ T8086]  tty_register_device_attr+0x382/0x7c0
[  621.995280][ T8086]  ? lockdep_init_map_type+0x16d/0x7c0
[  622.000813][ T8086]  ? hung_up_tty_compat_ioctl+0x40/0x40
[  622.006515][ T8086]  ? lockdep_init_map_type+0x16d/0x7c0
[  622.012043][ T8086]  ? __raw_spin_lock_init+0x3a/0x110
[  622.017494][ T8086]  ? tty_port_init+0x156/0x1b0
[  622.022318][ T8086]  gsm_activate_mux+0x170/0x2f0
[  622.027326][ T8086]  gsmld_ioctl+0x876/0x1510
[  622.031896][ T8086]  ? gsm_dlci_config+0xf00/0xf00
[  622.036911][ T8086]  ? __ldsem_down_read_nested+0xe4/0x910
[  622.042689][ T8086]  ? __ldsem_down_read_nested+0xf4/0x910
[  622.048393][ T8086]  ? __ldsem_wake_readers+0x3f0/0x3f0
[  622.053922][ T8086]  ? vt_waitactive+0x360/0x360
[  622.058765][ T8086]  ? gsm_dlci_config+0xf00/0xf00
[  622.063952][ T8086]  tty_ioctl+0x6f8/0x1550
[  622.069740][ T8086]  ? send_break+0x3e0/0x3e0
[  622.074396][ T8086]  ? reacquire_held_locks+0x4b0/0x4b0
[  622.079933][ T8086]  ? rcu_is_watching+0x12/0xb0
[  622.085011][ T8086]  ? do_one_initcall+0xf0/0x620
[  622.089939][ T8086]  ? __fget_files+0x272/0x410
[  622.094685][ T8086]  ? bpf_lsm_file_ioctl+0x9/0x10
[  622.099678][ T8086]  ? send_break+0x3e0/0x3e0
[  622.104331][ T8086]  __x64_sys_ioctl+0x18f/0x210
[  622.109338][ T8086]  do_syscall_64+0x38/0xb0
[  622.113813][ T8086]  entry_SYSCALL_64_after_hwframe+0x63/0xcd