[  434.178333][   T64] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  434.920682][   T64] hsr_slave_0: left promiscuous mode
[  434.928230][   T64] hsr_slave_1: left promiscuous mode
[  434.934392][   T64] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  434.942514][   T64] batman_adv: batadv0: Removing interface: batadv_slave_0
[  434.953040][   T64] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  434.960786][   T64] batman_adv: batadv0: Removing interface: batadv_slave_1
[  434.970032][   T64] bridge_slave_1: left allmulticast mode
[  434.975713][   T64] bridge_slave_1: left promiscuous mode
[  434.982276][   T64] bridge0: port 2(bridge_slave_1) entered disabled state
[  434.991685][   T64] bridge_slave_0: left allmulticast mode
[  434.997722][   T64] bridge_slave_0: left promiscuous mode
[  435.003843][   T64] bridge0: port 1(bridge_slave_0) entered disabled state
[  435.016679][   T64] veth1_macvtap: left promiscuous mode
[  435.022420][   T64] veth0_macvtap: left promiscuous mode
[  435.029455][   T64] veth1_vlan: left promiscuous mode
[  435.035070][   T64] veth0_vlan: left promiscuous mode
[  435.198820][   T64] team0 (unregistering): Port device team_slave_1 removed
[  435.212502][   T64] team0 (unregistering): Port device team_slave_0 removed
[  435.224553][   T64] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  435.237881][   T64] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  435.279586][   T64] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.0.160' (ED25519) to the list of known hosts.
[  439.601193][ T8121] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  439.626163][ T8121] CPU: 0 PID: 8121 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  439.637690][ T8121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  439.647958][ T8121] Call Trace:
[  439.651296][ T8121]  <TASK>
[  439.654334][ T8121]  dump_stack_lvl+0x1e7/0x2d0
[  439.659170][ T8121]  ? nf_tcp_handle_invalid+0x650/0x650
[  439.665823][ T8121]  ? panic+0x770/0x770
[  439.670026][ T8121]  sysfs_create_dir_ns+0x2ca/0x390
[  439.675271][ T8121]  ? sysfs_warn_dup+0xa0/0xa0
[  439.680776][ T8121]  kobject_add_internal+0x61d/0xc30
[  439.686708][ T8121]  kobject_add+0x152/0x210
[  439.691334][ T8121]  ? kobject_put+0x3e4/0x430
[  439.696160][ T8121]  ? kobject_init+0x1f0/0x1f0
[  439.701037][ T8121]  ? get_device_parent+0x25d/0x410
[  439.706324][ T8121]  ? device_add+0x30f/0xc90
[  439.710949][ T8121]  device_add+0x449/0xc90
[  439.715279][ T8121]  tty_register_device_attr+0x437/0x960
[  439.721092][ T8121]  ? tty_register_device+0x30/0x30
[  439.726266][ T8121]  ? gsm_dlci_alloc+0x354/0x6e0
[  439.731221][ T8121]  gsm_activate_mux+0xe9/0x290
[  439.736017][ T8121]  gsmld_ioctl+0x1858/0x25b0
[  439.740646][ T8121]  ? tomoyo_path_number_perm+0x663/0x840
[  439.746401][ T8121]  ? gsmld_write+0x120/0x120
[  439.751008][ T8121]  ? __vt_event_wait+0x240/0x240
[  439.756135][ T8121]  ? ldsem_down_read+0xb4/0xe0
[  439.761027][ T8121]  ? gsmld_write+0x120/0x120
[  439.765889][ T8121]  tty_ioctl+0x98c/0xda0
[  439.770343][ T8121]  ? security_file_ioctl+0x81/0xa0
[  439.775656][ T8121]  ? tty_get_icount+0xb0/0xb0
[  439.780531][ T8121]  __se_sys_ioctl+0xf8/0x170
[  439.785497][ T8121]  do_syscall_64+0x41/0xc0
[  439.790434][ T8121]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  439.796689][ T8121] RIP: 0033:0x7f68b62c56e9
[  439.801106][ T8121] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  439.822024][ T8121] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  439.830920][ T8121] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  439.838899][ T8121] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  439.847216][ T8121] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  439.855444][ T8121] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  439.863686][ T8121] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  439.872223][ T8121]  </TASK>
[  439.892301][ T8121] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  440.161027][ T8132] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  440.173396][ T8132] CPU: 0 PID: 8132 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  440.183948][ T8132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  440.197267][ T8132] Call Trace:
[  440.202152][ T8132]  <TASK>
[  440.205167][ T8132]  dump_stack_lvl+0x1e7/0x2d0
[  440.209995][ T8132]  ? nf_tcp_handle_invalid+0x650/0x650
[  440.216019][ T8132]  ? panic+0x770/0x770
[  440.220333][ T8132]  sysfs_create_dir_ns+0x2ca/0x390
[  440.225687][ T8132]  ? sysfs_warn_dup+0xa0/0xa0
[  440.230516][ T8132]  kobject_add_internal+0x61d/0xc30
[  440.236500][ T8132]  kobject_add+0x152/0x210
[  440.241339][ T8132]  ? kobject_put+0x3e4/0x430
[  440.246175][ T8132]  ? kobject_init+0x1f0/0x1f0
[  440.250904][ T8132]  ? get_device_parent+0x25d/0x410
[  440.256269][ T8132]  ? device_add+0x30f/0xc90
[  440.260836][ T8132]  device_add+0x449/0xc90
[  440.265414][ T8132]  tty_register_device_attr+0x437/0x960
[  440.271101][ T8132]  ? tty_register_device+0x30/0x30
[  440.276540][ T8132]  ? gsm_dlci_alloc+0x354/0x6e0
[  440.281698][ T8132]  gsm_activate_mux+0xe9/0x290
[  440.286786][ T8132]  gsmld_ioctl+0x1858/0x25b0
[  440.291412][ T8132]  ? tomoyo_path_number_perm+0x663/0x840
[  440.297453][ T8132]  ? gsmld_write+0x120/0x120
[  440.302278][ T8132]  ? __vt_event_wait+0x240/0x240
[  440.307684][ T8132]  ? ldsem_down_read+0xb4/0xe0
[  440.312575][ T8132]  ? gsmld_write+0x120/0x120
[  440.317325][ T8132]  tty_ioctl+0x98c/0xda0
[  440.321688][ T8132]  ? security_file_ioctl+0x81/0xa0
[  440.327001][ T8132]  ? tty_get_icount+0xb0/0xb0
[  440.331722][ T8132]  __se_sys_ioctl+0xf8/0x170
[  440.336358][ T8132]  do_syscall_64+0x41/0xc0
[  440.340898][ T8132]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  440.347104][ T8132] RIP: 0033:0x7f68b62c56e9
[  440.351645][ T8132] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  440.372236][ T8132] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  440.381177][ T8132] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  440.389977][ T8132] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  440.399445][ T8132] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  440.408292][ T8132] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  440.416888][ T8132] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  440.425523][ T8132]  </TASK>
[  440.434325][ T8132] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  440.435166][ T1240] ieee802154 phy0 wpan0: encryption failed: -22
[  440.455738][ T1240] ieee802154 phy1 wpan1: encryption failed: -22
[  440.634820][ T8135] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  440.667392][ T8135] CPU: 0 PID: 8135 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  440.677600][ T8135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  440.682967][ T8136] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  440.688179][ T8135] Call Trace:
[  440.688189][ T8135]  <TASK>
[  440.688196][ T8135]  dump_stack_lvl+0x1e7/0x2d0
[  440.688225][ T8135]  ? nf_tcp_handle_invalid+0x650/0x650
[  440.688242][ T8135]  ? panic+0x770/0x770
[  440.688267][ T8135]  sysfs_create_dir_ns+0x2ca/0x390
[  440.722709][ T8135]  ? sysfs_warn_dup+0xa0/0xa0
[  440.727851][ T8135]  kobject_add_internal+0x61d/0xc30
[  440.733167][ T8135]  kobject_add+0x152/0x210
[  440.737595][ T8135]  ? kobject_put+0x3e4/0x430
[  440.742282][ T8135]  ? kobject_init+0x1f0/0x1f0
[  440.747052][ T8135]  ? get_device_parent+0x25d/0x410
[  440.752636][ T8135]  ? device_add+0x30f/0xc90
[  440.757577][ T8135]  device_add+0x449/0xc90
[  440.762783][ T8135]  tty_register_device_attr+0x437/0x960
[  440.768367][ T8135]  ? tty_register_device+0x30/0x30
[  440.775401][ T8135]  ? gsm_dlci_alloc+0x354/0x6e0
[  440.780566][ T8135]  gsm_activate_mux+0xe9/0x290
[  440.785681][ T8135]  gsmld_ioctl+0x1858/0x25b0
[  440.790299][ T8135]  ? tomoyo_path_number_perm+0x663/0x840
[  440.796237][ T8135]  ? gsmld_write+0x120/0x120
[  440.800847][ T8135]  ? __vt_event_wait+0x240/0x240
[  440.806052][ T8135]  ? ldsem_down_read+0xb4/0xe0
[  440.811250][ T8135]  ? gsmld_write+0x120/0x120
[  440.816404][ T8135]  tty_ioctl+0x98c/0xda0
[  440.821388][ T8135]  ? security_file_ioctl+0x81/0xa0
[  440.826622][ T8135]  ? tty_get_icount+0xb0/0xb0
[  440.831340][ T8135]  __se_sys_ioctl+0xf8/0x170
[  440.836059][ T8135]  do_syscall_64+0x41/0xc0
[  440.840783][ T8135]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  440.846809][ T8135] RIP: 0033:0x7f68b62c56e9
[  440.851401][ T8135] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  440.871557][ T8135] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  440.880252][ T8135] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  440.889020][ T8135] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  440.898124][ T8135] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  440.907773][ T8135] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  440.917284][ T8135] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  440.926269][ T8135]  </TASK>
[  440.929991][ T8136] CPU: 1 PID: 8136 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  440.940698][ T8136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  440.951230][ T8136] Call Trace:
[  440.955700][ T8136]  <TASK>
[  440.957891][ T8135] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  440.958924][ T8136]  dump_stack_lvl+0x1e7/0x2d0
[  440.958961][ T8136]  ? nf_tcp_handle_invalid+0x650/0x650
[  440.985163][ T8136]  ? panic+0x770/0x770
[  440.990576][ T8136]  sysfs_create_dir_ns+0x2ca/0x390
[  440.995875][ T8136]  ? sysfs_warn_dup+0xa0/0xa0
[  441.000696][ T8136]  kobject_add_internal+0x61d/0xc30
[  441.006739][ T8136]  kobject_add+0x152/0x210
[  441.011264][ T8136]  ? kobject_put+0x3e4/0x430
[  441.016031][ T8136]  ? kobject_init+0x1f0/0x1f0
[  441.021167][ T8136]  ? get_device_parent+0x25d/0x410
[  441.027056][ T8136]  ? device_add+0x30f/0xc90
[  441.031703][ T8136]  device_add+0x449/0xc90
[  441.036967][ T8136]  tty_register_device_attr+0x437/0x960
[  441.042876][ T8136]  ? tty_register_device+0x30/0x30
[  441.048248][ T8136]  ? gsm_dlci_alloc+0x354/0x6e0
[  441.053185][ T8136]  gsm_activate_mux+0xe9/0x290
[  441.058218][ T8136]  gsmld_ioctl+0x1858/0x25b0
[  441.062812][ T8136]  ? tomoyo_path_number_perm+0x663/0x840
[  441.069351][ T8136]  ? gsmld_write+0x120/0x120
[  441.074386][ T8136]  ? __vt_event_wait+0x240/0x240
[  441.080305][ T8136]  ? ldsem_down_read+0xb4/0xe0
[  441.085345][ T8136]  ? gsmld_write+0x120/0x120
[  441.090206][ T8136]  tty_ioctl+0x98c/0xda0
[  441.094835][ T8136]  ? security_file_ioctl+0x81/0xa0
[  441.100505][ T8136]  ? tty_get_icount+0xb0/0xb0
[  441.105467][ T8136]  __se_sys_ioctl+0xf8/0x170
[  441.110091][ T8136]  do_syscall_64+0x41/0xc0
[  441.114552][ T8136]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  441.120848][ T8136] RIP: 0033:0x7f68b62c56e9
[  441.125616][ T8136] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  441.145738][ T8136] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  441.154145][ T8136] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  441.162291][ T8136] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  441.170512][ T8136] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  441.178572][ T8136] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  441.186557][ T8136] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  441.194848][ T8136]  </TASK>
[  441.199019][ T8136] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  441.420195][ T8140] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  441.453174][ T8140] CPU: 1 PID: 8140 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  441.463307][ T8140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  441.473396][ T8140] Call Trace:
[  441.476703][ T8140]  <TASK>
[  441.479832][ T8140]  dump_stack_lvl+0x1e7/0x2d0
[  441.484726][ T8140]  ? nf_tcp_handle_invalid+0x650/0x650
[  441.490305][ T8140]  ? panic+0x770/0x770
[  441.494506][ T8140]  sysfs_create_dir_ns+0x2ca/0x390
[  441.499659][ T8140]  ? sysfs_warn_dup+0xa0/0xa0
[  441.504398][ T8140]  kobject_add_internal+0x61d/0xc30
[  441.509931][ T8140]  kobject_add+0x152/0x210
[  441.514572][ T8140]  ? kobject_put+0x3e4/0x430
[  441.519212][ T8140]  ? kobject_init+0x1f0/0x1f0
[  441.524018][ T8140]  ? get_device_parent+0x25d/0x410
[  441.529264][ T8140]  ? device_add+0x30f/0xc90
[  441.533821][ T8140]  device_add+0x449/0xc90
[  441.538458][ T8140]  tty_register_device_attr+0x437/0x960
[  441.544142][ T8140]  ? tty_register_device+0x30/0x30
[  441.549560][ T8140]  ? gsm_dlci_alloc+0x354/0x6e0
[  441.554550][ T8140]  gsm_activate_mux+0xe9/0x290
[  441.559372][ T8140]  gsmld_ioctl+0x1858/0x25b0
[  441.564086][ T8140]  ? tomoyo_path_number_perm+0x663/0x840
[  441.569849][ T8140]  ? gsmld_write+0x120/0x120
[  441.574493][ T8140]  ? __vt_event_wait+0x240/0x240
[  441.579482][ T8140]  ? ldsem_down_read+0xb4/0xe0
[  441.584285][ T8140]  ? gsmld_write+0x120/0x120
[  441.588906][ T8140]  tty_ioctl+0x98c/0xda0
[  441.593182][ T8140]  ? security_file_ioctl+0x81/0xa0
[  441.598499][ T8140]  ? tty_get_icount+0xb0/0xb0
[  441.603281][ T8140]  __se_sys_ioctl+0xf8/0x170
[  441.607878][ T8140]  do_syscall_64+0x41/0xc0
[  441.612308][ T8140]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  441.618359][ T8140] RIP: 0033:0x7f68b62c56e9
[  441.622900][ T8140] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  441.642972][ T8140] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  441.651664][ T8140] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  441.659637][ T8140] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  441.667793][ T8140] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  441.675964][ T8140] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  441.684117][ T8140] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  441.692362][ T8140]  </TASK>
[  441.698130][ T8140] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  441.870253][ T8145] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  441.879775][ T8145] CPU: 0 PID: 8145 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  441.890324][ T8145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  441.900584][ T8145] Call Trace:
[  441.903926][ T8145]  <TASK>
[  441.906869][ T8145]  dump_stack_lvl+0x1e7/0x2d0
[  441.911583][ T8145]  ? nf_tcp_handle_invalid+0x650/0x650
[  441.917169][ T8145]  ? panic+0x770/0x770
[  441.921279][ T8145]  sysfs_create_dir_ns+0x2ca/0x390
[  441.926693][ T8145]  ? sysfs_warn_dup+0xa0/0xa0
[  441.931401][ T8145]  kobject_add_internal+0x61d/0xc30
[  441.936904][ T8145]  kobject_add+0x152/0x210
[  441.941360][ T8145]  ? kobject_put+0x3e4/0x430
[  441.945978][ T8145]  ? kobject_init+0x1f0/0x1f0
[  441.950687][ T8145]  ? get_device_parent+0x25d/0x410
[  441.955824][ T8145]  ? device_add+0x30f/0xc90
[  441.960354][ T8145]  device_add+0x449/0xc90
[  441.964712][ T8145]  tty_register_device_attr+0x437/0x960
[  441.970292][ T8145]  ? tty_register_device+0x30/0x30
[  441.975629][ T8145]  ? gsm_dlci_alloc+0x354/0x6e0
[  441.980524][ T8145]  gsm_activate_mux+0xe9/0x290
[  441.985321][ T8145]  gsmld_ioctl+0x1858/0x25b0
[  441.990127][ T8145]  ? tomoyo_path_number_perm+0x663/0x840
[  441.995824][ T8145]  ? gsmld_write+0x120/0x120
[  442.000455][ T8145]  ? __vt_event_wait+0x240/0x240
[  442.005455][ T8145]  ? ldsem_down_read+0xb4/0xe0
[  442.010268][ T8145]  ? gsmld_write+0x120/0x120
[  442.015063][ T8145]  tty_ioctl+0x98c/0xda0
[  442.019335][ T8145]  ? security_file_ioctl+0x81/0xa0
[  442.024692][ T8145]  ? tty_get_icount+0xb0/0xb0
[  442.029495][ T8145]  __se_sys_ioctl+0xf8/0x170
[  442.034117][ T8145]  do_syscall_64+0x41/0xc0
[  442.038747][ T8145]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  442.044670][ T8145] RIP: 0033:0x7f68b62c56e9
[  442.049117][ T8145] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  442.069090][ T8145] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  442.077583][ T8145] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  442.085593][ T8145] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  442.093666][ T8145] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  442.101808][ T8145] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  442.109877][ T8145] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  442.117876][ T8145]  </TASK>
[  442.123141][ T8145] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  442.304605][ T8150] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  442.318600][ T8150] CPU: 0 PID: 8150 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  442.328890][ T8150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  442.338970][ T8150] Call Trace:
[  442.342448][ T8150]  <TASK>
[  442.345393][ T8150]  dump_stack_lvl+0x1e7/0x2d0
[  442.350191][ T8150]  ? nf_tcp_handle_invalid+0x650/0x650
[  442.355849][ T8150]  ? panic+0x770/0x770
[  442.360129][ T8150]  sysfs_create_dir_ns+0x2ca/0x390
[  442.365352][ T8150]  ? sysfs_warn_dup+0xa0/0xa0
[  442.370064][ T8150]  kobject_add_internal+0x61d/0xc30
[  442.375316][ T8150]  kobject_add+0x152/0x210
[  442.379858][ T8150]  ? kobject_put+0x3e4/0x430
[  442.384475][ T8150]  ? kobject_init+0x1f0/0x1f0
[  442.389308][ T8150]  ? get_device_parent+0x25d/0x410
[  442.394448][ T8150]  ? device_add+0x30f/0xc90
[  442.399432][ T8150]  device_add+0x449/0xc90
[  442.403797][ T8150]  tty_register_device_attr+0x437/0x960
[  442.409375][ T8150]  ? tty_register_device+0x30/0x30
[  442.414630][ T8150]  ? gsm_dlci_alloc+0x354/0x6e0
[  442.419506][ T8150]  gsm_activate_mux+0xe9/0x290
[  442.424396][ T8150]  gsmld_ioctl+0x1858/0x25b0
[  442.429023][ T8150]  ? tomoyo_path_number_perm+0x663/0x840
[  442.434700][ T8150]  ? gsmld_write+0x120/0x120
[  442.439422][ T8150]  ? __vt_event_wait+0x240/0x240
[  442.444408][ T8150]  ? ldsem_down_read+0xb4/0xe0
[  442.449207][ T8150]  ? gsmld_write+0x120/0x120
[  442.453941][ T8150]  tty_ioctl+0x98c/0xda0
[  442.458216][ T8150]  ? security_file_ioctl+0x81/0xa0
[  442.463353][ T8150]  ? tty_get_icount+0xb0/0xb0
[  442.468058][ T8150]  __se_sys_ioctl+0xf8/0x170
[  442.472773][ T8150]  do_syscall_64+0x41/0xc0
[  442.477219][ T8150]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  442.483139][ T8150] RIP: 0033:0x7f68b62c56e9
[  442.487617][ T8150] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  442.507597][ T8150] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  442.516360][ T8150] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  442.525289][ T8150] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  442.534136][ T8150] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  442.542957][ T8150] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  442.551453][ T8150] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  442.560057][ T8150]  </TASK>
[  442.564119][ T8150] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  442.751504][ T8155] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  442.762631][ T8155] CPU: 1 PID: 8155 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  442.779089][ T8155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  442.789443][ T8155] Call Trace:
[  442.793013][ T8155]  <TASK>
[  442.796064][ T8155]  dump_stack_lvl+0x1e7/0x2d0
[  442.800874][ T8155]  ? nf_tcp_handle_invalid+0x650/0x650
[  442.806636][ T8155]  ? panic+0x770/0x770
[  442.810825][ T8155]  sysfs_create_dir_ns+0x2ca/0x390
[  442.815947][ T8155]  ? sysfs_warn_dup+0xa0/0xa0
[  442.820985][ T8155]  kobject_add_internal+0x61d/0xc30
[  442.826271][ T8155]  kobject_add+0x152/0x210
[  442.830776][ T8155]  ? kobject_put+0x3e4/0x430
[  442.835357][ T8155]  ? kobject_init+0x1f0/0x1f0
[  442.840027][ T8155]  ? get_device_parent+0x25d/0x410
[  442.845655][ T8155]  ? device_add+0x30f/0xc90
[  442.850242][ T8155]  device_add+0x449/0xc90
[  442.854741][ T8155]  tty_register_device_attr+0x437/0x960
[  442.860754][ T8155]  ? tty_register_device+0x30/0x30
[  442.865950][ T8155]  ? gsm_dlci_alloc+0x354/0x6e0
[  442.871155][ T8155]  gsm_activate_mux+0xe9/0x290
[  442.876180][ T8155]  gsmld_ioctl+0x1858/0x25b0
[  442.880764][ T8155]  ? tomoyo_path_number_perm+0x663/0x840
[  442.886502][ T8155]  ? gsmld_write+0x120/0x120
[  442.891292][ T8155]  ? __vt_event_wait+0x240/0x240
[  442.896667][ T8155]  ? ldsem_down_read+0xb4/0xe0
[  442.902084][ T8155]  ? gsmld_write+0x120/0x120
[  442.907324][ T8155]  tty_ioctl+0x98c/0xda0
[  442.911611][ T8155]  ? security_file_ioctl+0x81/0xa0
[  442.917117][ T8155]  ? tty_get_icount+0xb0/0xb0
[  442.921959][ T8155]  __se_sys_ioctl+0xf8/0x170
[  442.926745][ T8155]  do_syscall_64+0x41/0xc0
[  442.931425][ T8155]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  442.937334][ T8155] RIP: 0033:0x7f68b62c56e9
[  442.942290][ T8155] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  442.963048][ T8155] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  442.972003][ T8155] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  442.980144][ T8155] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  442.989149][ T8155] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  442.997469][ T8155] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  443.005544][ T8155] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  443.013863][ T8155]  </TASK>
[  443.017167][ T8155] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  443.265095][ T8158] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  443.286141][ T8158] CPU: 0 PID: 8158 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  443.296345][ T8158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  443.307037][ T8158] Call Trace:
[  443.310521][ T8158]  <TASK>
[  443.313737][ T8158]  dump_stack_lvl+0x1e7/0x2d0
[  443.318451][ T8158]  ? nf_tcp_handle_invalid+0x650/0x650
[  443.324043][ T8158]  ? panic+0x770/0x770
[  443.328242][ T8158]  sysfs_create_dir_ns+0x2ca/0x390
[  443.333386][ T8158]  ? sysfs_warn_dup+0xa0/0xa0
[  443.338101][ T8158]  kobject_add_internal+0x61d/0xc30
[  443.343606][ T8158]  kobject_add+0x152/0x210
[  443.348064][ T8158]  ? kobject_put+0x3e4/0x430
[  443.352689][ T8158]  ? kobject_init+0x1f0/0x1f0
[  443.357754][ T8158]  ? get_device_parent+0x25d/0x410
[  443.363329][ T8158]  ? device_add+0x30f/0xc90
[  443.368055][ T8158]  device_add+0x449/0xc90
[  443.372521][ T8158]  tty_register_device_attr+0x437/0x960
[  443.378115][ T8158]  ? tty_register_device+0x30/0x30
[  443.383607][ T8158]  ? gsm_dlci_alloc+0x354/0x6e0
[  443.389034][ T8158]  gsm_activate_mux+0xe9/0x290
[  443.394464][ T8158]  gsmld_ioctl+0x1858/0x25b0
[  443.399365][ T8158]  ? tomoyo_path_number_perm+0x663/0x840
[  443.405141][ T8158]  ? gsmld_write+0x120/0x120
[  443.410040][ T8158]  ? __vt_event_wait+0x240/0x240
[  443.415051][ T8158]  ? ldsem_down_read+0xb4/0xe0
[  443.420641][ T8158]  ? gsmld_write+0x120/0x120
[  443.425721][ T8158]  tty_ioctl+0x98c/0xda0
[  443.430181][ T8158]  ? security_file_ioctl+0x81/0xa0
[  443.435778][ T8158]  ? tty_get_icount+0xb0/0xb0
[  443.440767][ T8158]  __se_sys_ioctl+0xf8/0x170
[  443.445663][ T8158]  do_syscall_64+0x41/0xc0
[  443.450512][ T8158]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  443.456978][ T8158] RIP: 0033:0x7f68b62c56e9
[  443.461603][ T8158] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  443.482642][ T8158] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  443.491694][ T8158] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  443.500098][ T8158] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  443.508289][ T8158] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  443.516815][ T8158] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  443.525143][ T8158] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  443.533635][ T8158]  </TASK>
[  443.539078][ T8158] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  443.723318][ T8162] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  443.733713][ T8162] CPU: 0 PID: 8162 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  443.744008][ T8162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  443.754613][ T8162] Call Trace:
[  443.758006][ T8162]  <TASK>
[  443.761053][ T8162]  dump_stack_lvl+0x1e7/0x2d0
[  443.766333][ T8162]  ? nf_tcp_handle_invalid+0x650/0x650
[  443.774878][ T8162]  ? panic+0x770/0x770
[  443.779193][ T8162]  sysfs_create_dir_ns+0x2ca/0x390
[  443.784960][ T8162]  ? sysfs_warn_dup+0xa0/0xa0
[  443.790343][ T8162]  kobject_add_internal+0x61d/0xc30
[  443.795855][ T8162]  kobject_add+0x152/0x210
[  443.800428][ T8162]  ? kobject_put+0x3e4/0x430
[  443.805242][ T8162]  ? kobject_init+0x1f0/0x1f0
[  443.810478][ T8162]  ? get_device_parent+0x25d/0x410
[  443.815726][ T8162]  ? device_add+0x30f/0xc90
[  443.820359][ T8162]  device_add+0x449/0xc90
[  443.824816][ T8162]  tty_register_device_attr+0x437/0x960
[  443.830572][ T8162]  ? tty_register_device+0x30/0x30
[  443.835742][ T8162]  ? gsm_dlci_alloc+0x354/0x6e0
[  443.840633][ T8162]  gsm_activate_mux+0xe9/0x290
[  443.845699][ T8162]  gsmld_ioctl+0x1858/0x25b0
[  443.851022][ T8162]  ? tomoyo_path_number_perm+0x663/0x840
[  443.856811][ T8162]  ? gsmld_write+0x120/0x120
[  443.861857][ T8162]  ? __vt_event_wait+0x240/0x240
[  443.866848][ T8162]  ? ldsem_down_read+0xb4/0xe0
[  443.871916][ T8162]  ? gsmld_write+0x120/0x120
[  443.876540][ T8162]  tty_ioctl+0x98c/0xda0
[  443.880913][ T8162]  ? security_file_ioctl+0x81/0xa0
[  443.886068][ T8162]  ? tty_get_icount+0xb0/0xb0
[  443.890889][ T8162]  __se_sys_ioctl+0xf8/0x170
[  443.895603][ T8162]  do_syscall_64+0x41/0xc0
[  443.900147][ T8162]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  443.906429][ T8162] RIP: 0033:0x7f68b62c56e9
[  443.910882][ T8162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  443.931744][ T8162] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  443.940611][ T8162] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  443.949021][ T8162] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  443.957255][ T8162] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  443.965684][ T8162] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  443.974288][ T8162] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  443.982814][ T8162]  </TASK>
[  443.986678][ T8162] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  444.174602][ T8165] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  444.187404][ T8165] CPU: 0 PID: 8165 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  444.197529][ T8165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  444.207873][ T8165] Call Trace:
[  444.211179][ T8165]  <TASK>
[  444.214153][ T8165]  dump_stack_lvl+0x1e7/0x2d0
[  444.218987][ T8165]  ? nf_tcp_handle_invalid+0x650/0x650
[  444.225022][ T8165]  ? panic+0x770/0x770
[  444.226550][ T8166] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  444.229300][ T8165]  sysfs_create_dir_ns+0x2ca/0x390
[  444.243657][ T8165]  ? sysfs_warn_dup+0xa0/0xa0
[  444.248376][ T8165]  kobject_add_internal+0x61d/0xc30
[  444.253775][ T8165]  kobject_add+0x152/0x210
[  444.258340][ T8165]  ? kobject_put+0x3e4/0x430
[  444.262986][ T8165]  ? kobject_init+0x1f0/0x1f0
[  444.267890][ T8165]  ? get_device_parent+0x25d/0x410
[  444.273232][ T8165]  ? device_add+0x30f/0xc90
[  444.277861][ T8165]  device_add+0x449/0xc90
[  444.282318][ T8165]  tty_register_device_attr+0x437/0x960
[  444.288950][ T8165]  ? tty_register_device+0x30/0x30
[  444.294541][ T8165]  ? gsm_dlci_alloc+0x354/0x6e0
[  444.299746][ T8165]  gsm_activate_mux+0xe9/0x290
[  444.304660][ T8165]  gsmld_ioctl+0x1858/0x25b0
[  444.309278][ T8165]  ? tomoyo_path_number_perm+0x663/0x840
[  444.314959][ T8165]  ? gsmld_write+0x120/0x120
[  444.319594][ T8165]  ? __vt_event_wait+0x240/0x240
[  444.324666][ T8165]  ? ldsem_down_read+0xb4/0xe0
[  444.329462][ T8165]  ? gsmld_write+0x120/0x120
[  444.334170][ T8165]  tty_ioctl+0x98c/0xda0
[  444.338464][ T8165]  ? security_file_ioctl+0x81/0xa0
[  444.343695][ T8165]  ? tty_get_icount+0xb0/0xb0
[  444.348395][ T8165]  __se_sys_ioctl+0xf8/0x170
[  444.353016][ T8165]  do_syscall_64+0x41/0xc0
[  444.357468][ T8165]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  444.363662][ T8165] RIP: 0033:0x7f68b62c56e9
[  444.368353][ T8165] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  444.388161][ T8165] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  444.396866][ T8165] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  444.405136][ T8165] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  444.413208][ T8165] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  444.421263][ T8165] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  444.429329][ T8165] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  444.437488][ T8165]  </TASK>
[  444.440522][ T8166] CPU: 1 PID: 8166 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  444.450634][ T8166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  444.460691][ T8166] Call Trace:
[  444.464052][ T8166]  <TASK>
[  444.466973][ T8166]  dump_stack_lvl+0x1e7/0x2d0
[  444.471649][ T8166]  ? nf_tcp_handle_invalid+0x650/0x650
[  444.477111][ T8166]  ? panic+0x770/0x770
[  444.481173][ T8166]  sysfs_create_dir_ns+0x2ca/0x390
[  444.486371][ T8166]  ? sysfs_warn_dup+0xa0/0xa0
[  444.491053][ T8166]  kobject_add_internal+0x61d/0xc30
[  444.496692][ T8166]  kobject_add+0x152/0x210
[  444.501274][ T8166]  ? kobject_put+0x3e4/0x430
[  444.505857][ T8166]  ? kobject_init+0x1f0/0x1f0
[  444.510528][ T8166]  ? get_device_parent+0x25d/0x410
[  444.515627][ T8166]  ? device_add+0x30f/0xc90
[  444.520300][ T8166]  device_add+0x449/0xc90
[  444.524621][ T8166]  tty_register_device_attr+0x437/0x960
[  444.530425][ T8166]  ? tty_register_device+0x30/0x30
[  444.535528][ T8166]  ? gsm_dlci_alloc+0x354/0x6e0
[  444.540465][ T8166]  gsm_activate_mux+0xe9/0x290
[  444.545318][ T8166]  gsmld_ioctl+0x1858/0x25b0
[  444.549995][ T8166]  ? tomoyo_path_number_perm+0x663/0x840
[  444.555664][ T8166]  ? gsmld_write+0x120/0x120
[  444.560249][ T8166]  ? __vt_event_wait+0x240/0x240
[  444.565396][ T8166]  ? ldsem_down_read+0xb4/0xe0
[  444.570337][ T8166]  ? gsmld_write+0x120/0x120
[  444.575006][ T8166]  tty_ioctl+0x98c/0xda0
[  444.579244][ T8166]  ? security_file_ioctl+0x81/0xa0
[  444.584615][ T8166]  ? tty_get_icount+0xb0/0xb0
[  444.589284][ T8166]  __se_sys_ioctl+0xf8/0x170
[  444.594041][ T8166]  do_syscall_64+0x41/0xc0
[  444.598449][ T8166]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  444.604714][ T8166] RIP: 0033:0x7f68b62c56e9
[  444.610197][ T8166] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  444.631384][ T8166] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  444.639969][ T8166] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  444.648195][ T8166] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  444.656418][ T8166] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  444.664554][ T8166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  444.672780][ T8166] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  444.681844][ T8166]  </TASK>
[  444.687034][ T8165] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  444.701737][ T8166] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  444.879897][ T8169] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  444.889558][ T8169] CPU: 0 PID: 8169 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  444.899862][ T8169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  444.910471][ T8169] Call Trace:
[  444.914114][ T8169]  <TASK>
[  444.917153][ T8169]  dump_stack_lvl+0x1e7/0x2d0
[  444.921881][ T8169]  ? nf_tcp_handle_invalid+0x650/0x650
[  444.927562][ T8169]  ? panic+0x770/0x770
[  444.931843][ T8169]  sysfs_create_dir_ns+0x2ca/0x390
[  444.936992][ T8169]  ? sysfs_warn_dup+0xa0/0xa0
[  444.941878][ T8169]  kobject_add_internal+0x61d/0xc30
[  444.947118][ T8169]  kobject_add+0x152/0x210
[  444.951759][ T8169]  ? kobject_put+0x3e4/0x430
[  444.956475][ T8169]  ? kobject_init+0x1f0/0x1f0
[  444.961622][ T8169]  ? get_device_parent+0x25d/0x410
[  444.966847][ T8169]  ? device_add+0x30f/0xc90
[  444.971385][ T8169]  device_add+0x449/0xc90
[  444.975754][ T8169]  tty_register_device_attr+0x437/0x960
[  444.981492][ T8169]  ? tty_register_device+0x30/0x30
[  444.986642][ T8169]  ? gsm_dlci_alloc+0x354/0x6e0
[  444.991525][ T8169]  gsm_activate_mux+0xe9/0x290
[  444.996355][ T8169]  gsmld_ioctl+0x1858/0x25b0
[  445.000974][ T8169]  ? tomoyo_path_number_perm+0x663/0x840
[  445.006648][ T8169]  ? gsmld_write+0x120/0x120
[  445.011446][ T8169]  ? __vt_event_wait+0x240/0x240
[  445.016428][ T8169]  ? ldsem_down_read+0xb4/0xe0
[  445.021316][ T8169]  ? gsmld_write+0x120/0x120
[  445.025934][ T8169]  tty_ioctl+0x98c/0xda0
[  445.030212][ T8169]  ? security_file_ioctl+0x81/0xa0
[  445.035523][ T8169]  ? tty_get_icount+0xb0/0xb0
[  445.040241][ T8169]  __se_sys_ioctl+0xf8/0x170
[  445.044867][ T8169]  do_syscall_64+0x41/0xc0
[  445.049398][ T8169]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  445.055408][ T8169] RIP: 0033:0x7f68b62c56e9
[  445.059842][ T8169] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  445.079636][ T8169] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  445.088049][ T8169] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  445.096798][ T8169] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  445.105308][ T8169] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  445.113302][ T8169] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  445.121301][ T8169] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  445.129352][ T8169]  </TASK>
[  445.133033][ T8169] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  445.307651][ T8173] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  445.333679][ T8173] CPU: 0 PID: 8173 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  445.343817][ T8173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  445.354432][ T8173] Call Trace:
[  445.358061][ T8173]  <TASK>
[  445.361086][ T8173]  dump_stack_lvl+0x1e7/0x2d0
[  445.366337][ T8173]  ? nf_tcp_handle_invalid+0x650/0x650
[  445.372196][ T8173]  ? panic+0x770/0x770
[  445.377028][ T8173]  sysfs_create_dir_ns+0x2ca/0x390
[  445.382441][ T8173]  ? sysfs_warn_dup+0xa0/0xa0
[  445.387141][ T8173]  kobject_add_internal+0x61d/0xc30
[  445.392363][ T8173]  kobject_add+0x152/0x210
[  445.396880][ T8173]  ? kobject_put+0x3e4/0x430
[  445.401572][ T8173]  ? kobject_init+0x1f0/0x1f0
[  445.406448][ T8173]  ? get_device_parent+0x25d/0x410
[  445.412096][ T8173]  ? device_add+0x30f/0xc90
[  445.417393][ T8173]  device_add+0x449/0xc90
[  445.421753][ T8173]  tty_register_device_attr+0x437/0x960
[  445.427344][ T8173]  ? tty_register_device+0x30/0x30
[  445.432490][ T8173]  ? gsm_dlci_alloc+0x354/0x6e0
[  445.437467][ T8173]  gsm_activate_mux+0xe9/0x290
[  445.442614][ T8173]  gsmld_ioctl+0x1858/0x25b0
[  445.447301][ T8173]  ? tomoyo_path_number_perm+0x663/0x840
[  445.453081][ T8173]  ? gsmld_write+0x120/0x120
[  445.457691][ T8173]  ? __vt_event_wait+0x240/0x240
[  445.462746][ T8173]  ? ldsem_down_read+0xb4/0xe0
[  445.467522][ T8173]  ? gsmld_write+0x120/0x120
[  445.472238][ T8173]  tty_ioctl+0x98c/0xda0
[  445.476494][ T8173]  ? security_file_ioctl+0x81/0xa0
[  445.481723][ T8173]  ? tty_get_icount+0xb0/0xb0
[  445.486518][ T8173]  __se_sys_ioctl+0xf8/0x170
[  445.491148][ T8173]  do_syscall_64+0x41/0xc0
[  445.495609][ T8173]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  445.501539][ T8173] RIP: 0033:0x7f68b62c56e9
[  445.505960][ T8173] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  445.525909][ T8173] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  445.534959][ T8173] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  445.542931][ T8173] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  445.550917][ T8173] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  445.558908][ T8173] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  445.566899][ T8173] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  445.575164][ T8173]  </TASK>
[  445.630506][ T8173] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  445.884485][ T8176] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  445.898816][ T8176] CPU: 0 PID: 8176 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  445.909204][ T8176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  445.919461][ T8176] Call Trace:
[  445.922779][ T8176]  <TASK>
[  445.925781][ T8176]  dump_stack_lvl+0x1e7/0x2d0
[  445.931288][ T8176]  ? nf_tcp_handle_invalid+0x650/0x650
[  445.937057][ T8176]  ? panic+0x770/0x770
[  445.941240][ T8176]  sysfs_create_dir_ns+0x2ca/0x390
[  445.946433][ T8176]  ? sysfs_warn_dup+0xa0/0xa0
[  445.951191][ T8176]  kobject_add_internal+0x61d/0xc30
[  445.956404][ T8176]  kobject_add+0x152/0x210
[  445.960817][ T8176]  ? kobject_put+0x3e4/0x430
[  445.965666][ T8176]  ? kobject_init+0x1f0/0x1f0
[  445.970337][ T8176]  ? get_device_parent+0x25d/0x410
[  445.975442][ T8176]  ? device_add+0x30f/0xc90
[  445.979937][ T8176]  device_add+0x449/0xc90
[  445.984437][ T8176]  tty_register_device_attr+0x437/0x960
[  445.990069][ T8176]  ? tty_register_device+0x30/0x30
[  445.995266][ T8176]  ? gsm_dlci_alloc+0x354/0x6e0
[  446.000196][ T8176]  gsm_activate_mux+0xe9/0x290
[  446.005134][ T8176]  gsmld_ioctl+0x1858/0x25b0
[  446.009714][ T8176]  ? tomoyo_path_number_perm+0x663/0x840
[  446.015356][ T8176]  ? gsmld_write+0x120/0x120
[  446.019938][ T8176]  ? __vt_event_wait+0x240/0x240
[  446.024871][ T8176]  ? ldsem_down_read+0xb4/0xe0
[  446.029901][ T8176]  ? gsmld_write+0x120/0x120
[  446.034656][ T8176]  tty_ioctl+0x98c/0xda0
[  446.038962][ T8176]  ? security_file_ioctl+0x81/0xa0
[  446.044326][ T8176]  ? tty_get_icount+0xb0/0xb0
[  446.049003][ T8176]  __se_sys_ioctl+0xf8/0x170
[  446.053678][ T8176]  do_syscall_64+0x41/0xc0
[  446.058349][ T8176]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  446.064234][ T8176] RIP: 0033:0x7f68b62c56e9
[  446.068646][ T8176] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  446.088424][ T8176] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  446.097003][ T8176] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  446.105232][ T8176] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  446.113227][ T8176] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  446.121280][ T8176] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  446.129585][ T8176] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  446.137550][ T8176]  </TASK>
[  446.143698][ T8176] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  446.158147][ T8177] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  446.167717][ T8177] CPU: 1 PID: 8177 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  446.178341][ T8177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  446.188683][ T8177] Call Trace:
[  446.192312][ T8177]  <TASK>
[  446.195366][ T8177]  dump_stack_lvl+0x1e7/0x2d0
[  446.200482][ T8177]  ? nf_tcp_handle_invalid+0x650/0x650
[  446.206029][ T8177]  ? panic+0x770/0x770
[  446.210287][ T8177]  sysfs_create_dir_ns+0x2ca/0x390
[  446.215426][ T8177]  ? sysfs_warn_dup+0xa0/0xa0
[  446.220133][ T8177]  kobject_add_internal+0x61d/0xc30
[  446.225367][ T8177]  kobject_add+0x152/0x210
[  446.229908][ T8177]  ? kobject_put+0x3e4/0x430
[  446.234529][ T8177]  ? kobject_init+0x1f0/0x1f0
[  446.239347][ T8177]  ? get_device_parent+0x25d/0x410
[  446.244759][ T8177]  ? device_add+0x30f/0xc90
[  446.249304][ T8177]  device_add+0x449/0xc90
[  446.253667][ T8177]  tty_register_device_attr+0x437/0x960
[  446.259282][ T8177]  ? tty_register_device+0x30/0x30
[  446.264520][ T8177]  ? gsm_dlci_alloc+0x354/0x6e0
[  446.269406][ T8177]  gsm_activate_mux+0xe9/0x290
[  446.274206][ T8177]  gsmld_ioctl+0x1858/0x25b0
[  446.278824][ T8177]  ? tomoyo_path_number_perm+0x663/0x840
[  446.284501][ T8177]  ? gsmld_write+0x120/0x120
[  446.289124][ T8177]  ? __vt_event_wait+0x240/0x240
[  446.294504][ T8177]  ? ldsem_down_read+0xb4/0xe0
[  446.299556][ T8177]  ? gsmld_write+0x120/0x120
[  446.304156][ T8177]  tty_ioctl+0x98c/0xda0
[  446.308517][ T8177]  ? security_file_ioctl+0x81/0xa0
[  446.313637][ T8177]  ? tty_get_icount+0xb0/0xb0
[  446.318508][ T8177]  __se_sys_ioctl+0xf8/0x170
[  446.323364][ T8177]  do_syscall_64+0x41/0xc0
[  446.327801][ T8177]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  446.333973][ T8177] RIP: 0033:0x7f68b62c56e9
[  446.338401][ T8177] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  446.358187][ T8177] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  446.366866][ T8177] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  446.375003][ T8177] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  446.382976][ T8177] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  446.391043][ T8177] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  446.399119][ T8177] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  446.407109][ T8177]  </TASK>
[  446.411478][ T8177] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  446.582351][ T8180] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  446.609118][ T8180] CPU: 0 PID: 8180 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  446.619451][ T8180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  446.629874][ T8180] Call Trace:
[  446.633204][ T8180]  <TASK>
[  446.636152][ T8180]  dump_stack_lvl+0x1e7/0x2d0
[  446.640865][ T8180]  ? nf_tcp_handle_invalid+0x650/0x650
[  446.646346][ T8180]  ? panic+0x770/0x770
[  446.650442][ T8180]  sysfs_create_dir_ns+0x2ca/0x390
[  446.655660][ T8180]  ? sysfs_warn_dup+0xa0/0xa0
[  446.660367][ T8180]  kobject_add_internal+0x61d/0xc30
[  446.665581][ T8180]  kobject_add+0x152/0x210
[  446.670000][ T8180]  ? kobject_put+0x3e4/0x430
[  446.674590][ T8180]  ? kobject_init+0x1f0/0x1f0
[  446.679351][ T8180]  ? get_device_parent+0x25d/0x410
[  446.684548][ T8180]  ? device_add+0x30f/0xc90
[  446.689043][ T8180]  device_add+0x449/0xc90
[  446.693476][ T8180]  tty_register_device_attr+0x437/0x960
[  446.699043][ T8180]  ? tty_register_device+0x30/0x30
[  446.704438][ T8180]  ? gsm_dlci_alloc+0x354/0x6e0
[  446.709459][ T8180]  gsm_activate_mux+0xe9/0x290
[  446.714223][ T8180]  gsmld_ioctl+0x1858/0x25b0
[  446.718814][ T8180]  ? tomoyo_path_number_perm+0x663/0x840
[  446.724446][ T8180]  ? gsmld_write+0x120/0x120
[  446.729138][ T8180]  ? __vt_event_wait+0x240/0x240
[  446.734160][ T8180]  ? ldsem_down_read+0xb4/0xe0
[  446.739008][ T8180]  ? gsmld_write+0x120/0x120
[  446.743590][ T8180]  tty_ioctl+0x98c/0xda0
[  446.747837][ T8180]  ? security_file_ioctl+0x81/0xa0
[  446.752939][ T8180]  ? tty_get_icount+0xb0/0xb0
[  446.757692][ T8180]  __se_sys_ioctl+0xf8/0x170
[  446.762365][ T8180]  do_syscall_64+0x41/0xc0
[  446.767563][ T8180]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  446.774372][ T8180] RIP: 0033:0x7f68b62c56e9
[  446.779074][ T8180] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  446.798869][ T8180] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  446.807292][ T8180] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  446.815432][ T8180] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  446.823481][ T8180] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  446.831640][ T8180] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  446.840391][ T8180] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  446.848539][ T8180]  </TASK>
[  446.864868][ T8180] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  447.148954][ T8192] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  447.180123][ T8192] CPU: 1 PID: 8192 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  447.191373][ T8192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  447.197842][ T8193] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  447.202039][ T8192] Call Trace:
[  447.202049][ T8192]  <TASK>
[  447.216768][ T8192]  dump_stack_lvl+0x1e7/0x2d0
[  447.221497][ T8192]  ? nf_tcp_handle_invalid+0x650/0x650
[  447.226982][ T8192]  ? panic+0x770/0x770
[  447.231078][ T8192]  sysfs_create_dir_ns+0x2ca/0x390
[  447.236196][ T8192]  ? sysfs_warn_dup+0xa0/0xa0
[  447.240958][ T8192]  kobject_add_internal+0x61d/0xc30
[  447.246159][ T8192]  kobject_add+0x152/0x210
[  447.250667][ T8192]  ? kobject_put+0x3e4/0x430
[  447.255348][ T8192]  ? kobject_init+0x1f0/0x1f0
[  447.260043][ T8192]  ? get_device_parent+0x25d/0x410
[  447.265156][ T8192]  ? device_add+0x30f/0xc90
[  447.269750][ T8192]  device_add+0x449/0xc90
[  447.274079][ T8192]  tty_register_device_attr+0x437/0x960
[  447.279630][ T8192]  ? tty_register_device+0x30/0x30
[  447.284945][ T8192]  ? gsm_dlci_alloc+0x354/0x6e0
[  447.289905][ T8192]  gsm_activate_mux+0xe9/0x290
[  447.294770][ T8192]  gsmld_ioctl+0x1858/0x25b0
[  447.299380][ T8192]  ? tomoyo_path_number_perm+0x663/0x840
[  447.305038][ T8192]  ? gsmld_write+0x120/0x120
[  447.309629][ T8192]  ? __vt_event_wait+0x240/0x240
[  447.314586][ T8192]  ? ldsem_down_read+0xb4/0xe0
[  447.322833][ T8192]  ? gsmld_write+0x120/0x120
[  447.327529][ T8192]  tty_ioctl+0x98c/0xda0
[  447.331799][ T8192]  ? security_file_ioctl+0x81/0xa0
[  447.336933][ T8192]  ? tty_get_icount+0xb0/0xb0
[  447.341643][ T8192]  __se_sys_ioctl+0xf8/0x170
[  447.346251][ T8192]  do_syscall_64+0x41/0xc0
[  447.350880][ T8192]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  447.356967][ T8192] RIP: 0033:0x7f68b62c56e9
[  447.361839][ T8192] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  447.381652][ T8192] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  447.390085][ T8192] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  447.398169][ T8192] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  447.406169][ T8192] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  447.414167][ T8192] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  447.422166][ T8192] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  447.430231][ T8192]  </TASK>
[  447.437097][ T8192] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  447.443540][ T8193] CPU: 1 PID: 8193 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  447.461419][ T8193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  447.471498][ T8193] Call Trace:
[  447.474977][ T8193]  <TASK>
[  447.477924][ T8193]  dump_stack_lvl+0x1e7/0x2d0
[  447.482645][ T8193]  ? nf_tcp_handle_invalid+0x650/0x650
[  447.488126][ T8193]  ? panic+0x770/0x770
[  447.492227][ T8193]  sysfs_create_dir_ns+0x2ca/0x390
[  447.497586][ T8193]  ? sysfs_warn_dup+0xa0/0xa0
[  447.502342][ T8193]  kobject_add_internal+0x61d/0xc30
[  447.507683][ T8193]  kobject_add+0x152/0x210
[  447.512141][ T8193]  ? kobject_put+0x3e4/0x430
[  447.516840][ T8193]  ? kobject_init+0x1f0/0x1f0
[  447.522102][ T8193]  ? get_device_parent+0x25d/0x410
[  447.527339][ T8193]  ? device_add+0x30f/0xc90
[  447.531974][ T8193]  device_add+0x449/0xc90
[  447.536428][ T8193]  tty_register_device_attr+0x437/0x960
[  447.542115][ T8193]  ? tty_register_device+0x30/0x30
[  447.547357][ T8193]  ? gsm_dlci_alloc+0x354/0x6e0
[  447.552324][ T8193]  gsm_activate_mux+0xe9/0x290
[  447.557552][ T8193]  gsmld_ioctl+0x1858/0x25b0
[  447.562148][ T8193]  ? tomoyo_path_number_perm+0x663/0x840
[  447.567968][ T8193]  ? gsmld_write+0x120/0x120
[  447.572575][ T8193]  ? __vt_event_wait+0x240/0x240
[  447.577545][ T8193]  ? ldsem_down_read+0xb4/0xe0
[  447.582418][ T8193]  ? gsmld_write+0x120/0x120
[  447.587016][ T8193]  tty_ioctl+0x98c/0xda0
[  447.591268][ T8193]  ? security_file_ioctl+0x81/0xa0
[  447.596564][ T8193]  ? tty_get_icount+0xb0/0xb0
[  447.601584][ T8193]  __se_sys_ioctl+0xf8/0x170
[  447.606256][ T8193]  do_syscall_64+0x41/0xc0
[  447.610751][ T8193]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  447.616807][ T8193] RIP: 0033:0x7f68b62c56e9
[  447.621559][ T8193] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  447.641157][ T8193] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  447.649566][ T8193] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  447.657700][ T8193] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  447.665837][ T8193] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  447.674151][ T8193] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  447.682198][ T8193] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  447.690517][ T8193]  </TASK>
[  447.693968][ T8193] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  447.983970][ T8216] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  448.006585][ T8216] CPU: 1 PID: 8216 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  448.016970][ T8216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  448.027404][ T8216] Call Trace:
[  448.030814][ T8216]  <TASK>
[  448.033859][ T8216]  dump_stack_lvl+0x1e7/0x2d0
[  448.038590][ T8216]  ? nf_tcp_handle_invalid+0x650/0x650
[  448.044252][ T8216]  ? panic+0x770/0x770
[  448.048388][ T8216]  sysfs_create_dir_ns+0x2ca/0x390
[  448.053798][ T8216]  ? sysfs_warn_dup+0xa0/0xa0
[  448.058600][ T8216]  kobject_add_internal+0x61d/0xc30
[  448.063859][ T8216]  kobject_add+0x152/0x210
[  448.068312][ T8216]  ? kobject_put+0x3e4/0x430
[  448.072933][ T8216]  ? kobject_init+0x1f0/0x1f0
[  448.077639][ T8216]  ? get_device_parent+0x25d/0x410
[  448.082781][ T8216]  ? device_add+0x30f/0xc90
[  448.087582][ T8216]  device_add+0x449/0xc90
[  448.092116][ T8216]  tty_register_device_attr+0x437/0x960
[  448.097790][ T8216]  ? tty_register_device+0x30/0x30
[  448.103130][ T8216]  ? gsm_dlci_alloc+0x354/0x6e0
[  448.108116][ T8216]  gsm_activate_mux+0xe9/0x290
[  448.112938][ T8216]  gsmld_ioctl+0x1858/0x25b0
[  448.117735][ T8216]  ? tomoyo_path_number_perm+0x663/0x840
[  448.123682][ T8216]  ? gsmld_write+0x120/0x120
[  448.128404][ T8216]  ? __vt_event_wait+0x240/0x240
[  448.133397][ T8216]  ? ldsem_down_read+0xb4/0xe0
[  448.138297][ T8216]  ? gsmld_write+0x120/0x120
[  448.143621][ T8216]  tty_ioctl+0x98c/0xda0
[  448.147982][ T8216]  ? security_file_ioctl+0x81/0xa0
[  448.153213][ T8216]  ? tty_get_icount+0xb0/0xb0
[  448.158285][ T8216]  __se_sys_ioctl+0xf8/0x170
[  448.163009][ T8216]  do_syscall_64+0x41/0xc0
[  448.167555][ T8216]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  448.173479][ T8216] RIP: 0033:0x7f68b62c56e9
[  448.177934][ T8216] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  448.198176][ T8216] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  448.206715][ T8216] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  448.214724][ T8216] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  448.223256][ T8216] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  448.231960][ T8216] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  448.240055][ T8216] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  448.248067][ T8216]  </TASK>
[  448.256723][ T8216] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  448.528696][ T8233] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  448.553979][ T8233] CPU: 1 PID: 8233 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  448.564358][ T8233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  448.574451][ T8233] Call Trace:
[  448.577759][ T8233]  <TASK>
[  448.580716][ T8233]  dump_stack_lvl+0x1e7/0x2d0
[  448.585522][ T8233]  ? nf_tcp_handle_invalid+0x650/0x650
[  448.591101][ T8233]  ? panic+0x770/0x770
[  448.595218][ T8233]  sysfs_create_dir_ns+0x2ca/0x390
[  448.600363][ T8233]  ? sysfs_warn_dup+0xa0/0xa0
[  448.605256][ T8233]  kobject_add_internal+0x61d/0xc30
[  448.610495][ T8233]  kobject_add+0x152/0x210
[  448.614946][ T8233]  ? kobject_put+0x3e4/0x430
[  448.619581][ T8233]  ? kobject_init+0x1f0/0x1f0
[  448.624377][ T8233]  ? get_device_parent+0x25d/0x410
[  448.629516][ T8233]  ? device_add+0x30f/0xc90
[  448.634726][ T8233]  device_add+0x449/0xc90
[  448.639218][ T8233]  tty_register_device_attr+0x437/0x960
[  448.644807][ T8233]  ? tty_register_device+0x30/0x30
[  448.650007][ T8233]  ? gsm_dlci_alloc+0x354/0x6e0
[  448.654885][ T8233]  gsm_activate_mux+0xe9/0x290
[  448.659682][ T8233]  gsmld_ioctl+0x1858/0x25b0
[  448.664559][ T8233]  ? tomoyo_path_number_perm+0x663/0x840
[  448.670340][ T8233]  ? gsmld_write+0x120/0x120
[  448.675002][ T8233]  ? __vt_event_wait+0x240/0x240
[  448.680155][ T8233]  ? ldsem_down_read+0xb4/0xe0
[  448.685137][ T8233]  ? gsmld_write+0x120/0x120
[  448.689845][ T8233]  tty_ioctl+0x98c/0xda0
[  448.694291][ T8233]  ? security_file_ioctl+0x81/0xa0
[  448.699690][ T8233]  ? tty_get_icount+0xb0/0xb0
[  448.704409][ T8233]  __se_sys_ioctl+0xf8/0x170
[  448.709117][ T8233]  do_syscall_64+0x41/0xc0
[  448.713644][ T8233]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  448.719735][ T8233] RIP: 0033:0x7f68b62c56e9
[  448.724696][ T8233] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  448.745203][ T8233] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  448.753939][ T8233] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  448.762223][ T8233] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  448.771098][ T8233] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  448.779721][ T8233] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  448.788022][ T8233] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  448.796310][ T8233]  </TASK>
[  448.800528][ T8233] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  449.100735][ T8256] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  449.116317][ T8256] CPU: 1 PID: 8256 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  449.127498][ T8256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  449.137969][ T8256] Call Trace:
[  449.141533][ T8256]  <TASK>
[  449.144490][ T8256]  dump_stack_lvl+0x1e7/0x2d0
[  449.149206][ T8256]  ? nf_tcp_handle_invalid+0x650/0x650
[  449.154934][ T8256]  ? panic+0x770/0x770
[  449.159052][ T8256]  sysfs_create_dir_ns+0x2ca/0x390
[  449.164739][ T8256]  ? sysfs_warn_dup+0xa0/0xa0
[  449.170375][ T8256]  kobject_add_internal+0x61d/0xc30
[  449.176253][ T8256]  kobject_add+0x152/0x210
[  449.181516][ T8256]  ? kobject_put+0x3e4/0x430
[  449.188232][ T8256]  ? kobject_init+0x1f0/0x1f0
[  449.193685][ T8256]  ? get_device_parent+0x25d/0x410
[  449.200415][ T8256]  ? device_add+0x30f/0xc90
[  449.206642][ T8256]  device_add+0x449/0xc90
[  449.211046][ T8256]  tty_register_device_attr+0x437/0x960
[  449.217396][ T8256]  ? tty_register_device+0x30/0x30
[  449.223551][ T8256]  ? gsm_dlci_alloc+0x354/0x6e0
[  449.229474][ T8256]  gsm_activate_mux+0xe9/0x290
[  449.235935][ T8256]  gsmld_ioctl+0x1858/0x25b0
[  449.241175][ T8256]  ? tomoyo_path_number_perm+0x663/0x840
[  449.247430][ T8256]  ? gsmld_write+0x120/0x120
[  449.252158][ T8256]  ? __vt_event_wait+0x240/0x240
[  449.257450][ T8256]  ? ldsem_down_read+0xb4/0xe0
[  449.262539][ T8256]  ? gsmld_write+0x120/0x120
[  449.267804][ T8256]  tty_ioctl+0x98c/0xda0
[  449.272471][ T8256]  ? security_file_ioctl+0x81/0xa0
[  449.278981][ T8256]  ? tty_get_icount+0xb0/0xb0
[  449.285299][ T8256]  __se_sys_ioctl+0xf8/0x170
[  449.290834][ T8256]  do_syscall_64+0x41/0xc0
[  449.295824][ T8256]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  449.301942][ T8256] RIP: 0033:0x7f68b62c56e9
[  449.306747][ T8256] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  449.329052][ T8256] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  449.338113][ T8256] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  449.346299][ T8256] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  449.354767][ T8256] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  449.363104][ T8256] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  449.371455][ T8256] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  449.379736][ T8256]  </TASK>
[  449.384322][ T8256] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  449.687070][ T8272] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  449.708822][ T8272] CPU: 1 PID: 8272 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  449.720080][ T8272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  449.731501][ T8272] Call Trace:
[  449.734932][ T8272]  <TASK>
[  449.738166][ T8272]  dump_stack_lvl+0x1e7/0x2d0
[  449.742974][ T8272]  ? nf_tcp_handle_invalid+0x650/0x650
[  449.749086][ T8272]  ? panic+0x770/0x770
[  449.753202][ T8272]  sysfs_create_dir_ns+0x2ca/0x390
[  449.758619][ T8272]  ? sysfs_warn_dup+0xa0/0xa0
[  449.766329][ T8272]  kobject_add_internal+0x61d/0xc30
[  449.772852][ T8272]  kobject_add+0x152/0x210
[  449.777419][ T8272]  ? kobject_put+0x3e4/0x430
[  449.782230][ T8272]  ? kobject_init+0x1f0/0x1f0
[  449.787407][ T8272]  ? get_device_parent+0x25d/0x410
[  449.793266][ T8272]  ? device_add+0x30f/0xc90
[  449.798194][ T8272]  device_add+0x449/0xc90
[  449.803125][ T8272]  tty_register_device_attr+0x437/0x960
[  449.809262][ T8272]  ? tty_register_device+0x30/0x30
[  449.817220][ T8272]  ? gsm_dlci_alloc+0x354/0x6e0
[  449.823774][ T8272]  gsm_activate_mux+0xe9/0x290
[  449.829252][ T8272]  gsmld_ioctl+0x1858/0x25b0
[  449.833979][ T8272]  ? tomoyo_path_number_perm+0x663/0x840
[  449.839749][ T8272]  ? gsmld_write+0x120/0x120
[  449.844563][ T8272]  ? __vt_event_wait+0x240/0x240
[  449.849820][ T8272]  ? ldsem_down_read+0xb4/0xe0
[  449.855242][ T8272]  ? gsmld_write+0x120/0x120
[  449.860775][ T8272]  tty_ioctl+0x98c/0xda0
[  449.865400][ T8272]  ? security_file_ioctl+0x81/0xa0
[  449.871333][ T8272]  ? tty_get_icount+0xb0/0xb0
[  449.876058][ T8272]  __se_sys_ioctl+0xf8/0x170
[  449.880822][ T8272]  do_syscall_64+0x41/0xc0
[  449.885316][ T8272]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  449.892403][ T8272] RIP: 0033:0x7f68b62c56e9
[  449.898594][ T8272] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  449.919713][ T8272] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  449.928596][ T8272] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  449.936880][ T8272] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  449.946641][ T8272] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  449.955702][ T8272] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  449.964425][ T8272] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  449.973846][ T8272]  </TASK>
[  449.981966][ T8272] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  450.322451][ T8295] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  450.334577][ T8295] CPU: 1 PID: 8295 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  450.345563][ T8295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  450.355992][ T8295] Call Trace:
[  450.359657][ T8295]  <TASK>
[  450.362877][ T8295]  dump_stack_lvl+0x1e7/0x2d0
[  450.368153][ T8295]  ? nf_tcp_handle_invalid+0x650/0x650
[  450.374350][ T8295]  ? panic+0x770/0x770
[  450.378563][ T8295]  sysfs_create_dir_ns+0x2ca/0x390
[  450.384622][ T8295]  ? sysfs_warn_dup+0xa0/0xa0
[  450.389792][ T8295]  kobject_add_internal+0x61d/0xc30
[  450.395691][ T8295]  kobject_add+0x152/0x210
[  450.400421][ T8295]  ? kobject_put+0x3e4/0x430
[  450.405231][ T8295]  ? kobject_init+0x1f0/0x1f0
[  450.410097][ T8295]  ? get_device_parent+0x25d/0x410
[  450.416491][ T8295]  ? device_add+0x30f/0xc90
[  450.422125][ T8295]  device_add+0x449/0xc90
[  450.427900][ T8295]  tty_register_device_attr+0x437/0x960
[  450.434191][ T8295]  ? tty_register_device+0x30/0x30
[  450.439341][ T8295]  ? gsm_dlci_alloc+0x354/0x6e0
[  450.444562][ T8295]  gsm_activate_mux+0xe9/0x290
[  450.449414][ T8295]  gsmld_ioctl+0x1858/0x25b0
[  450.454091][ T8295]  ? tomoyo_path_number_perm+0x663/0x840
[  450.460343][ T8295]  ? gsmld_write+0x120/0x120
[  450.465128][ T8295]  ? __vt_event_wait+0x240/0x240
[  450.470103][ T8295]  ? ldsem_down_read+0xb4/0xe0
[  450.475023][ T8295]  ? gsmld_write+0x120/0x120
[  450.479711][ T8295]  tty_ioctl+0x98c/0xda0
[  450.484138][ T8295]  ? security_file_ioctl+0x81/0xa0
[  450.489629][ T8295]  ? tty_get_icount+0xb0/0xb0
[  450.494770][ T8295]  __se_sys_ioctl+0xf8/0x170
[  450.499383][ T8295]  do_syscall_64+0x41/0xc0
[  450.504179][ T8295]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  450.510722][ T8295] RIP: 0033:0x7f68b62c56e9
[  450.515159][ T8295] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  450.535490][ T8295] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  450.544644][ T8295] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  450.552699][ T8295] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  450.561686][ T8295] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  450.570609][ T8295] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  450.579543][ T8295] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  450.587645][ T8295]  </TASK>
[  450.593271][ T8295] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  450.934779][ T8308] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  450.968578][ T8308] CPU: 1 PID: 8308 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  450.980587][ T8308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  450.991663][ T8308] Call Trace:
[  450.995722][ T8308]  <TASK>
[  450.999828][ T8308]  dump_stack_lvl+0x1e7/0x2d0
[  451.005394][ T8308]  ? nf_tcp_handle_invalid+0x650/0x650
[  451.011377][ T8308]  ? panic+0x770/0x770
[  451.016121][ T8308]  sysfs_create_dir_ns+0x2ca/0x390
[  451.021479][ T8308]  ? sysfs_warn_dup+0xa0/0xa0
[  451.026218][ T8308]  kobject_add_internal+0x61d/0xc30
[  451.031553][ T8308]  kobject_add+0x152/0x210
[  451.036374][ T8308]  ? kobject_put+0x3e4/0x430
[  451.041110][ T8308]  ? kobject_init+0x1f0/0x1f0
[  451.046545][ T8308]  ? get_device_parent+0x25d/0x410
[  451.052057][ T8308]  ? device_add+0x30f/0xc90
[  451.057097][ T8308]  device_add+0x449/0xc90
[  451.061436][ T8308]  tty_register_device_attr+0x437/0x960
[  451.067506][ T8308]  ? tty_register_device+0x30/0x30
[  451.072685][ T8308]  ? gsm_dlci_alloc+0x354/0x6e0
[  451.077762][ T8308]  gsm_activate_mux+0xe9/0x290
[  451.082630][ T8308]  gsmld_ioctl+0x1858/0x25b0
[  451.087845][ T8308]  ? tomoyo_path_number_perm+0x663/0x840
[  451.093831][ T8308]  ? gsmld_write+0x120/0x120
[  451.098423][ T8308]  ? __vt_event_wait+0x240/0x240
[  451.103364][ T8308]  ? ldsem_down_read+0xb4/0xe0
[  451.108401][ T8308]  ? gsmld_write+0x120/0x120
[  451.113095][ T8308]  tty_ioctl+0x98c/0xda0
[  451.117993][ T8308]  ? security_file_ioctl+0x81/0xa0
[  451.124457][ T8308]  ? tty_get_icount+0xb0/0xb0
[  451.129252][ T8308]  __se_sys_ioctl+0xf8/0x170
[  451.134281][ T8308]  do_syscall_64+0x41/0xc0
[  451.138730][ T8308]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  451.144754][ T8308] RIP: 0033:0x7f68b62c56e9
[  451.149181][ T8308] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  451.169503][ T8308] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  451.179005][ T8308] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  451.189792][ T8308] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  451.198845][ T8308] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  451.207008][ T8308] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  451.215182][ T8308] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  451.223369][ T8308]  </TASK>
[  451.244567][ T8314] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  451.255585][ T8314] CPU: 1 PID: 8314 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  451.265962][ T8314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  451.276144][ T8314] Call Trace:
[  451.280100][ T8314]  <TASK>
[  451.283529][ T8314]  dump_stack_lvl+0x1e7/0x2d0
[  451.290426][ T8314]  ? nf_tcp_handle_invalid+0x650/0x650
[  451.296282][ T8314]  ? panic+0x770/0x770
[  451.300411][ T8314]  sysfs_create_dir_ns+0x2ca/0x390
[  451.305804][ T8314]  ? sysfs_warn_dup+0xa0/0xa0
[  451.310489][ T8314]  kobject_add_internal+0x61d/0xc30
[  451.315698][ T8314]  kobject_add+0x152/0x210
[  451.320141][ T8314]  ? kobject_put+0x3e4/0x430
[  451.324919][ T8314]  ? kobject_init+0x1f0/0x1f0
[  451.329597][ T8314]  ? get_device_parent+0x25d/0x410
[  451.334720][ T8314]  ? device_add+0x30f/0xc90
[  451.339225][ T8314]  device_add+0x449/0xc90
[  451.343558][ T8314]  tty_register_device_attr+0x437/0x960
[  451.349196][ T8314]  ? tty_register_device+0x30/0x30
[  451.354479][ T8314]  ? gsm_dlci_alloc+0x354/0x6e0
[  451.359364][ T8314]  gsm_activate_mux+0xe9/0x290
[  451.364164][ T8314]  gsmld_ioctl+0x1858/0x25b0
[  451.368749][ T8314]  ? tomoyo_path_number_perm+0x663/0x840
[  451.374947][ T8314]  ? gsmld_write+0x120/0x120
[  451.379999][ T8314]  ? __vt_event_wait+0x240/0x240
[  451.385323][ T8314]  ? ldsem_down_read+0xb4/0xe0
[  451.390198][ T8314]  ? gsmld_write+0x120/0x120
[  451.395335][ T8314]  tty_ioctl+0x98c/0xda0
[  451.399672][ T8314]  ? security_file_ioctl+0x81/0xa0
[  451.405146][ T8314]  ? tty_get_icount+0xb0/0xb0
[  451.410086][ T8314]  __se_sys_ioctl+0xf8/0x170
[  451.414873][ T8314]  do_syscall_64+0x41/0xc0
[  451.419315][ T8314]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  451.425248][ T8314] RIP: 0033:0x7f68b62c56e9
[  451.429875][ T8314] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  451.449960][ T8314] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  451.458398][ T8314] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  451.467005][ T8314] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  451.475278][ T8314] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  451.483747][ T8314] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  451.492164][ T8314] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  451.500401][ T8314]  </TASK>
[  451.507950][ T8308] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  451.529346][ T8314] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  451.824859][ T8323] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  451.847130][ T8323] CPU: 0 PID: 8323 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  451.857861][ T8323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  451.868055][ T8323] Call Trace:
[  451.871363][ T8323]  <TASK>
[  451.874315][ T8323]  dump_stack_lvl+0x1e7/0x2d0
[  451.879035][ T8323]  ? nf_tcp_handle_invalid+0x650/0x650
[  451.884523][ T8323]  ? panic+0x770/0x770
[  451.888029][ T8324] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  451.889051][ T8323]  sysfs_create_dir_ns+0x2ca/0x390
[  451.902667][ T8323]  ? sysfs_warn_dup+0xa0/0xa0
[  451.907392][ T8323]  kobject_add_internal+0x61d/0xc30
[  451.912632][ T8323]  kobject_add+0x152/0x210
[  451.917087][ T8323]  ? kobject_put+0x3e4/0x430
[  451.921883][ T8323]  ? kobject_init+0x1f0/0x1f0
[  451.926595][ T8323]  ? get_device_parent+0x25d/0x410
[  451.931829][ T8323]  ? device_add+0x30f/0xc90
[  451.936538][ T8323]  device_add+0x449/0xc90
[  451.941139][ T8323]  tty_register_device_attr+0x437/0x960
[  451.946877][ T8323]  ? tty_register_device+0x30/0x30
[  451.952015][ T8323]  ? gsm_dlci_alloc+0x354/0x6e0
[  451.957163][ T8323]  gsm_activate_mux+0xe9/0x290
[  451.962065][ T8323]  gsmld_ioctl+0x1858/0x25b0
[  451.966681][ T8323]  ? tomoyo_path_number_perm+0x663/0x840
[  451.972369][ T8323]  ? gsmld_write+0x120/0x120
[  451.976992][ T8323]  ? __vt_event_wait+0x240/0x240
[  451.981968][ T8323]  ? ldsem_down_read+0xb4/0xe0
[  451.986854][ T8323]  ? gsmld_write+0x120/0x120
[  451.991565][ T8323]  tty_ioctl+0x98c/0xda0
[  451.995925][ T8323]  ? security_file_ioctl+0x81/0xa0
[  452.001049][ T8323]  ? tty_get_icount+0xb0/0xb0
[  452.005819][ T8323]  __se_sys_ioctl+0xf8/0x170
[  452.010677][ T8323]  do_syscall_64+0x41/0xc0
[  452.015099][ T8323]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  452.021779][ T8323] RIP: 0033:0x7f68b62c56e9
[  452.026721][ T8323] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  452.046694][ T8323] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  452.055118][ T8323] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  452.063088][ T8323] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  452.071059][ T8323] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  452.079380][ T8323] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  452.087366][ T8323] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  452.095467][ T8323]  </TASK>
[  452.098499][ T8324] CPU: 1 PID: 8324 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  452.103584][ T8323] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  452.108644][ T8324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  452.108658][ T8324] Call Trace:
[  452.108666][ T8324]  <TASK>
[  452.108672][ T8324]  dump_stack_lvl+0x1e7/0x2d0
[  452.144370][ T8324]  ? nf_tcp_handle_invalid+0x650/0x650
[  452.150287][ T8324]  ? panic+0x770/0x770
[  452.154450][ T8324]  sysfs_create_dir_ns+0x2ca/0x390
[  452.159646][ T8324]  ? sysfs_warn_dup+0xa0/0xa0
[  452.164676][ T8324]  kobject_add_internal+0x61d/0xc30
[  452.170341][ T8324]  kobject_add+0x152/0x210
[  452.175028][ T8324]  ? kobject_put+0x3e4/0x430
[  452.180084][ T8324]  ? kobject_init+0x1f0/0x1f0
[  452.184812][ T8324]  ? get_device_parent+0x25d/0x410
[  452.190103][ T8324]  ? device_add+0x30f/0xc90
[  452.195426][ T8324]  device_add+0x449/0xc90
[  452.200249][ T8324]  tty_register_device_attr+0x437/0x960
[  452.206104][ T8324]  ? tty_register_device+0x30/0x30
[  452.211250][ T8324]  ? gsm_dlci_alloc+0x354/0x6e0
[  452.216479][ T8324]  gsm_activate_mux+0xe9/0x290
[  452.221356][ T8324]  gsmld_ioctl+0x1858/0x25b0
[  452.226050][ T8324]  ? tomoyo_path_number_perm+0x663/0x840
[  452.232051][ T8324]  ? gsmld_write+0x120/0x120
[  452.236637][ T8324]  ? __vt_event_wait+0x240/0x240
[  452.241606][ T8324]  ? ldsem_down_read+0xb4/0xe0
[  452.246547][ T8324]  ? gsmld_write+0x120/0x120
[  452.251328][ T8324]  tty_ioctl+0x98c/0xda0
[  452.255705][ T8324]  ? security_file_ioctl+0x81/0xa0
[  452.260962][ T8324]  ? tty_get_icount+0xb0/0xb0
[  452.265675][ T8324]  __se_sys_ioctl+0xf8/0x170
[  452.270501][ T8324]  do_syscall_64+0x41/0xc0
[  452.275292][ T8324]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  452.281317][ T8324] RIP: 0033:0x7f68b62c56e9
[  452.286204][ T8324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  452.306534][ T8324] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  452.315071][ T8324] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  452.324457][ T8324] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  452.332966][ T8324] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  452.341029][ T8324] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  452.349089][ T8324] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  452.357066][ T8324]  </TASK>
[  452.361470][ T8324] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  452.549968][ T8327] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  452.559292][ T8327] CPU: 1 PID: 8327 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  452.569487][ T8327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  452.579950][ T8327] Call Trace:
[  452.583262][ T8327]  <TASK>
[  452.586210][ T8327]  dump_stack_lvl+0x1e7/0x2d0
[  452.590931][ T8327]  ? nf_tcp_handle_invalid+0x650/0x650
[  452.596522][ T8327]  ? panic+0x770/0x770
[  452.600898][ T8327]  sysfs_create_dir_ns+0x2ca/0x390
[  452.606046][ T8327]  ? sysfs_warn_dup+0xa0/0xa0
[  452.610851][ T8327]  kobject_add_internal+0x61d/0xc30
[  452.616101][ T8327]  kobject_add+0x152/0x210
[  452.620746][ T8327]  ? kobject_put+0x3e4/0x430
[  452.625740][ T8327]  ? kobject_init+0x1f0/0x1f0
[  452.630457][ T8327]  ? get_device_parent+0x25d/0x410
[  452.635603][ T8327]  ? device_add+0x30f/0xc90
[  452.640238][ T8327]  device_add+0x449/0xc90
[  452.644605][ T8327]  tty_register_device_attr+0x437/0x960
[  452.650538][ T8327]  ? tty_register_device+0x30/0x30
[  452.655694][ T8327]  ? gsm_dlci_alloc+0x354/0x6e0
[  452.660583][ T8327]  gsm_activate_mux+0xe9/0x290
[  452.665482][ T8327]  gsmld_ioctl+0x1858/0x25b0
[  452.670126][ T8327]  ? tomoyo_path_number_perm+0x663/0x840
[  452.676422][ T8327]  ? gsmld_write+0x120/0x120
[  452.681154][ T8327]  ? __vt_event_wait+0x240/0x240
[  452.686169][ T8327]  ? ldsem_down_read+0xb4/0xe0
[  452.690988][ T8327]  ? gsmld_write+0x120/0x120
[  452.695794][ T8327]  tty_ioctl+0x98c/0xda0
[  452.700071][ T8327]  ? security_file_ioctl+0x81/0xa0
[  452.705297][ T8327]  ? tty_get_icount+0xb0/0xb0
[  452.710009][ T8327]  __se_sys_ioctl+0xf8/0x170
[  452.714721][ T8327]  do_syscall_64+0x41/0xc0
[  452.719256][ T8327]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  452.725270][ T8327] RIP: 0033:0x7f68b62c56e9
[  452.729817][ T8327] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  452.749791][ T8327] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  452.758297][ T8327] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  452.766712][ T8327] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  452.774968][ T8327] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  452.783310][ T8327] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  452.792494][ T8327] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  452.800627][ T8327]  </TASK>
[  452.804075][ T8327] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  452.986748][ T8331] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  453.002670][ T8331] CPU: 1 PID: 8331 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  453.012789][ T8331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  453.023212][ T8331] Call Trace:
[  453.026596][ T8331]  <TASK>
[  453.029805][ T8331]  dump_stack_lvl+0x1e7/0x2d0
[  453.034528][ T8331]  ? nf_tcp_handle_invalid+0x650/0x650
[  453.040198][ T8331]  ? panic+0x770/0x770
[  453.044307][ T8331]  sysfs_create_dir_ns+0x2ca/0x390
[  453.049801][ T8331]  ? sysfs_warn_dup+0xa0/0xa0
[  453.057469][ T8331]  kobject_add_internal+0x61d/0xc30
[  453.062895][ T8331]  kobject_add+0x152/0x210
[  453.067350][ T8331]  ? kobject_put+0x3e4/0x430
[  453.071983][ T8331]  ? kobject_init+0x1f0/0x1f0
[  453.076884][ T8331]  ? get_device_parent+0x25d/0x410
[  453.082119][ T8331]  ? device_add+0x30f/0xc90
[  453.086744][ T8331]  device_add+0x449/0xc90
[  453.091370][ T8331]  tty_register_device_attr+0x437/0x960
[  453.097213][ T8331]  ? tty_register_device+0x30/0x30
[  453.102890][ T8331]  ? gsm_dlci_alloc+0x354/0x6e0
[  453.108039][ T8331]  gsm_activate_mux+0xe9/0x290
[  453.112938][ T8331]  gsmld_ioctl+0x1858/0x25b0
[  453.117566][ T8331]  ? tomoyo_path_number_perm+0x663/0x840
[  453.123567][ T8331]  ? gsmld_write+0x120/0x120
[  453.128292][ T8331]  ? __vt_event_wait+0x240/0x240
[  453.133290][ T8331]  ? ldsem_down_read+0xb4/0xe0
[  453.138179][ T8331]  ? gsmld_write+0x120/0x120
[  453.142890][ T8331]  tty_ioctl+0x98c/0xda0
[  453.147608][ T8331]  ? security_file_ioctl+0x81/0xa0
[  453.152946][ T8331]  ? tty_get_icount+0xb0/0xb0
[  453.157656][ T8331]  __se_sys_ioctl+0xf8/0x170
[  453.162369][ T8331]  do_syscall_64+0x41/0xc0
[  453.166812][ T8331]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  453.172817][ T8331] RIP: 0033:0x7f68b62c56e9
[  453.177314][ T8331] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  453.197367][ T8331] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  453.205988][ T8331] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  453.214167][ T8331] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  453.222224][ T8331] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  453.230623][ T8331] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  453.238688][ T8331] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  453.247012][ T8331]  </TASK>
[  453.251254][ T8331] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  453.422748][ T8334] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  453.437945][ T8334] CPU: 1 PID: 8334 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  453.449195][ T8334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  453.459884][ T8334] Call Trace:
[  453.463550][ T8334]  <TASK>
[  453.466584][ T8334]  dump_stack_lvl+0x1e7/0x2d0
[  453.471313][ T8334]  ? nf_tcp_handle_invalid+0x650/0x650
[  453.476892][ T8334]  ? panic+0x770/0x770
[  453.481357][ T8334]  sysfs_create_dir_ns+0x2ca/0x390
[  453.486591][ T8334]  ? sysfs_warn_dup+0xa0/0xa0
[  453.491512][ T8334]  kobject_add_internal+0x61d/0xc30
[  453.496883][ T8334]  kobject_add+0x152/0x210
[  453.501515][ T8334]  ? kobject_put+0x3e4/0x430
[  453.506308][ T8334]  ? kobject_init+0x1f0/0x1f0
[  453.511110][ T8334]  ? get_device_parent+0x25d/0x410
[  453.516436][ T8334]  ? device_add+0x30f/0xc90
[  453.520988][ T8334]  device_add+0x449/0xc90
[  453.525576][ T8334]  tty_register_device_attr+0x437/0x960
[  453.531244][ T8334]  ? tty_register_device+0x30/0x30
[  453.536418][ T8334]  ? gsm_dlci_alloc+0x354/0x6e0
[  453.541474][ T8334]  gsm_activate_mux+0xe9/0x290
[  453.546619][ T8334]  gsmld_ioctl+0x1858/0x25b0
[  453.551514][ T8334]  ? tomoyo_path_number_perm+0x663/0x840
[  453.557192][ T8334]  ? gsmld_write+0x120/0x120
[  453.562000][ T8334]  ? __vt_event_wait+0x240/0x240
[  453.567068][ T8334]  ? ldsem_down_read+0xb4/0xe0
[  453.571963][ T8334]  ? gsmld_write+0x120/0x120
[  453.577287][ T8334]  tty_ioctl+0x98c/0xda0
[  453.581574][ T8334]  ? security_file_ioctl+0x81/0xa0
[  453.586713][ T8334]  ? tty_get_icount+0xb0/0xb0
[  453.591423][ T8334]  __se_sys_ioctl+0xf8/0x170
[  453.596141][ T8334]  do_syscall_64+0x41/0xc0
[  453.600762][ T8334]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  453.606786][ T8334] RIP: 0033:0x7f68b62c56e9
[  453.611221][ T8334] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  453.631195][ T8334] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  453.639688][ T8334] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  453.647777][ T8334] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  453.656182][ T8334] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  453.664320][ T8334] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  453.672455][ T8334] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  453.680426][ T8334]  </TASK>
[  453.683871][ T8334] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  453.856587][ T8337] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  453.867942][ T8337] CPU: 1 PID: 8337 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  453.878051][ T8337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  453.888141][ T8337] Call Trace:
[  453.891438][ T8337]  <TASK>
[  453.894470][ T8337]  dump_stack_lvl+0x1e7/0x2d0
[  453.899183][ T8337]  ? nf_tcp_handle_invalid+0x650/0x650
[  453.905278][ T8337]  ? panic+0x770/0x770
[  453.909399][ T8337]  sysfs_create_dir_ns+0x2ca/0x390
[  453.914535][ T8337]  ? sysfs_warn_dup+0xa0/0xa0
[  453.919243][ T8337]  kobject_add_internal+0x61d/0xc30
[  453.924827][ T8337]  kobject_add+0x152/0x210
[  453.929276][ T8337]  ? kobject_put+0x3e4/0x430
[  453.933875][ T8337]  ? kobject_init+0x1f0/0x1f0
[  453.938910][ T8337]  ? get_device_parent+0x25d/0x410
[  453.944026][ T8337]  ? device_add+0x30f/0xc90
[  453.948707][ T8337]  device_add+0x449/0xc90
[  453.953123][ T8337]  tty_register_device_attr+0x437/0x960
[  453.958668][ T8337]  ? tty_register_device+0x30/0x30
[  453.963987][ T8337]  ? gsm_dlci_alloc+0x354/0x6e0
[  453.968835][ T8337]  gsm_activate_mux+0xe9/0x290
[  453.973594][ T8337]  gsmld_ioctl+0x1858/0x25b0
[  453.978183][ T8337]  ? tomoyo_path_number_perm+0x663/0x840
[  453.983825][ T8337]  ? gsmld_write+0x120/0x120
[  453.988583][ T8337]  ? __vt_event_wait+0x240/0x240
[  453.993519][ T8337]  ? ldsem_down_read+0xb4/0xe0
[  453.998309][ T8337]  ? gsmld_write+0x120/0x120
[  454.002891][ T8337]  tty_ioctl+0x98c/0xda0
[  454.007131][ T8337]  ? security_file_ioctl+0x81/0xa0
[  454.012324][ T8337]  ? tty_get_icount+0xb0/0xb0
[  454.017166][ T8337]  __se_sys_ioctl+0xf8/0x170
[  454.021757][ T8337]  do_syscall_64+0x41/0xc0
[  454.026176][ T8337]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  454.032075][ T8337] RIP: 0033:0x7f68b62c56e9
[  454.036478][ T8337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  454.056774][ T8337] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  454.065364][ T8337] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  454.073324][ T8337] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  454.081323][ T8337] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  454.089458][ T8337] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  454.098029][ T8337] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  454.106083][ T8337]  </TASK>
[  454.152367][ T8337] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  454.342144][ T8341] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  454.352055][ T8341] CPU: 1 PID: 8341 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  454.362417][ T8341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  454.372691][ T8341] Call Trace:
[  454.375997][ T8341]  <TASK>
[  454.378971][ T8341]  dump_stack_lvl+0x1e7/0x2d0
[  454.384252][ T8341]  ? nf_tcp_handle_invalid+0x650/0x650
[  454.390583][ T8341]  ? panic+0x770/0x770
[  454.395168][ T8341]  sysfs_create_dir_ns+0x2ca/0x390
[  454.400498][ T8341]  ? sysfs_warn_dup+0xa0/0xa0
[  454.405838][ T8341]  kobject_add_internal+0x61d/0xc30
[  454.411089][ T8341]  kobject_add+0x152/0x210
[  454.415803][ T8341]  ? kobject_put+0x3e4/0x430
[  454.420588][ T8341]  ? kobject_init+0x1f0/0x1f0
[  454.425614][ T8341]  ? get_device_parent+0x25d/0x410
[  454.430908][ T8341]  ? device_add+0x30f/0xc90
[  454.435413][ T8341]  device_add+0x449/0xc90
[  454.439767][ T8341]  tty_register_device_attr+0x437/0x960
[  454.445335][ T8341]  ? tty_register_device+0x30/0x30
[  454.450808][ T8341]  ? gsm_dlci_alloc+0x354/0x6e0
[  454.455663][ T8341]  gsm_activate_mux+0xe9/0x290
[  454.460688][ T8341]  gsmld_ioctl+0x1858/0x25b0
[  454.465384][ T8341]  ? tomoyo_path_number_perm+0x663/0x840
[  454.471118][ T8341]  ? gsmld_write+0x120/0x120
[  454.475716][ T8341]  ? __vt_event_wait+0x240/0x240
[  454.480742][ T8341]  ? ldsem_down_read+0xb4/0xe0
[  454.485767][ T8341]  ? gsmld_write+0x120/0x120
[  454.490360][ T8341]  tty_ioctl+0x98c/0xda0
[  454.494684][ T8341]  ? security_file_ioctl+0x81/0xa0
[  454.499876][ T8341]  ? tty_get_icount+0xb0/0xb0
[  454.504646][ T8341]  __se_sys_ioctl+0xf8/0x170
[  454.509243][ T8341]  do_syscall_64+0x41/0xc0
[  454.514433][ T8341]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  454.520583][ T8341] RIP: 0033:0x7f68b62c56e9
[  454.525346][ T8341] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  454.545556][ T8341] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  454.554136][ T8341] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  454.562189][ T8341] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  454.570361][ T8341] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  454.578673][ T8341] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  454.586829][ T8341] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  454.595965][ T8341]  </TASK>
[  454.600333][ T8341] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  454.836312][ T8344] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  454.853369][ T8344] CPU: 1 PID: 8344 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  454.863506][ T8344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  454.874035][ T8344] Call Trace:
[  454.877599][ T8344]  <TASK>
[  454.880550][ T8344]  dump_stack_lvl+0x1e7/0x2d0
[  454.885361][ T8344]  ? nf_tcp_handle_invalid+0x650/0x650
[  454.890852][ T8344]  ? panic+0x770/0x770
[  454.894960][ T8344]  sysfs_create_dir_ns+0x2ca/0x390
[  454.900453][ T8344]  ? sysfs_warn_dup+0xa0/0xa0
[  454.905362][ T8344]  kobject_add_internal+0x61d/0xc30
[  454.910617][ T8344]  kobject_add+0x152/0x210
[  454.915072][ T8344]  ? kobject_put+0x3e4/0x430
[  454.919685][ T8344]  ? kobject_init+0x1f0/0x1f0
[  454.924402][ T8344]  ? get_device_parent+0x25d/0x410
[  454.929629][ T8344]  ? device_add+0x30f/0xc90
[  454.934303][ T8344]  device_add+0x449/0xc90
[  454.938687][ T8344]  tty_register_device_attr+0x437/0x960
[  454.944363][ T8344]  ? tty_register_device+0x30/0x30
[  454.949516][ T8344]  ? gsm_dlci_alloc+0x354/0x6e0
[  454.954492][ T8344]  gsm_activate_mux+0xe9/0x290
[  454.960510][ T8344]  gsmld_ioctl+0x1858/0x25b0
[  454.965107][ T8344]  ? tomoyo_path_number_perm+0x663/0x840
[  454.970745][ T8344]  ? gsmld_write+0x120/0x120
[  454.975417][ T8344]  ? __vt_event_wait+0x240/0x240
[  454.980356][ T8344]  ? ldsem_down_read+0xb4/0xe0
[  454.985307][ T8344]  ? gsmld_write+0x120/0x120
[  454.989977][ T8344]  tty_ioctl+0x98c/0xda0
[  454.994215][ T8344]  ? security_file_ioctl+0x81/0xa0
[  454.999756][ T8344]  ? tty_get_icount+0xb0/0xb0
[  455.004694][ T8344]  __se_sys_ioctl+0xf8/0x170
[  455.009279][ T8344]  do_syscall_64+0x41/0xc0
[  455.013776][ T8344]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  455.019842][ T8344] RIP: 0033:0x7f68b62c56e9
[  455.024368][ T8344] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  455.044326][ T8344] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  455.053182][ T8344] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  455.061143][ T8344] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  455.069102][ T8344] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  455.077065][ T8344] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  455.085124][ T8344] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  455.093137][ T8344]  </TASK>
[  455.096602][ T8345] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  455.105100][ T8345] CPU: 1 PID: 8345 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  455.115388][ T8345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  455.125520][ T8345] Call Trace:
[  455.128792][ T8345]  <TASK>
[  455.131725][ T8345]  dump_stack_lvl+0x1e7/0x2d0
[  455.136400][ T8345]  ? nf_tcp_handle_invalid+0x650/0x650
[  455.141846][ T8345]  ? panic+0x770/0x770
[  455.146000][ T8345]  sysfs_create_dir_ns+0x2ca/0x390
[  455.151194][ T8345]  ? sysfs_warn_dup+0xa0/0xa0
[  455.156325][ T8345]  kobject_add_internal+0x61d/0xc30
[  455.161828][ T8345]  kobject_add+0x152/0x210
[  455.166335][ T8345]  ? kobject_put+0x3e4/0x430
[  455.171371][ T8345]  ? kobject_init+0x1f0/0x1f0
[  455.177173][ T8345]  ? get_device_parent+0x25d/0x410
[  455.182710][ T8345]  ? device_add+0x30f/0xc90
[  455.187899][ T8345]  device_add+0x449/0xc90
[  455.192487][ T8345]  tty_register_device_attr+0x437/0x960
[  455.198126][ T8345]  ? tty_register_device+0x30/0x30
[  455.203274][ T8345]  ? gsm_dlci_alloc+0x354/0x6e0
[  455.208149][ T8345]  gsm_activate_mux+0xe9/0x290
[  455.212940][ T8345]  gsmld_ioctl+0x1858/0x25b0
[  455.217611][ T8345]  ? tomoyo_path_number_perm+0x663/0x840
[  455.223952][ T8345]  ? gsmld_write+0x120/0x120
[  455.228808][ T8345]  ? __vt_event_wait+0x240/0x240
[  455.233752][ T8345]  ? ldsem_down_read+0xb4/0xe0
[  455.238510][ T8345]  ? gsmld_write+0x120/0x120
[  455.243091][ T8345]  tty_ioctl+0x98c/0xda0
[  455.247415][ T8345]  ? security_file_ioctl+0x81/0xa0
[  455.252515][ T8345]  ? tty_get_icount+0xb0/0xb0
[  455.257193][ T8345]  __se_sys_ioctl+0xf8/0x170
[  455.261999][ T8345]  do_syscall_64+0x41/0xc0
[  455.266558][ T8345]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  455.272562][ T8345] RIP: 0033:0x7f68b62c56e9
[  455.277036][ T8345] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  455.297185][ T8345] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  455.305948][ T8345] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  455.313922][ T8345] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  455.321912][ T8345] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  455.330045][ T8345] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  455.338102][ T8345] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  455.346336][ T8345]  </TASK>
[  455.381102][ T8344] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  455.382733][ T8345] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  455.562533][ T8348] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  455.577612][ T8348] CPU: 0 PID: 8348 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  455.587999][ T8348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  455.598441][ T8348] Call Trace:
[  455.601840][ T8348]  <TASK>
[  455.604765][ T8348]  dump_stack_lvl+0x1e7/0x2d0
[  455.609769][ T8348]  ? nf_tcp_handle_invalid+0x650/0x650
[  455.615446][ T8348]  ? panic+0x770/0x770
[  455.619561][ T8348]  sysfs_create_dir_ns+0x2ca/0x390
[  455.624872][ T8348]  ? sysfs_warn_dup+0xa0/0xa0
[  455.629771][ T8348]  kobject_add_internal+0x61d/0xc30
[  455.635087][ T8348]  kobject_add+0x152/0x210
[  455.641671][ T8348]  ? kobject_put+0x3e4/0x430
[  455.646257][ T8348]  ? kobject_init+0x1f0/0x1f0
[  455.651708][ T8348]  ? get_device_parent+0x25d/0x410
[  455.656900][ T8348]  ? device_add+0x30f/0xc90
[  455.661405][ T8348]  device_add+0x449/0xc90
[  455.665953][ T8348]  tty_register_device_attr+0x437/0x960
[  455.671769][ T8348]  ? tty_register_device+0x30/0x30
[  455.676889][ T8348]  ? gsm_dlci_alloc+0x354/0x6e0
[  455.681739][ T8348]  gsm_activate_mux+0xe9/0x290
[  455.686499][ T8348]  gsmld_ioctl+0x1858/0x25b0
[  455.691079][ T8348]  ? tomoyo_path_number_perm+0x663/0x840
[  455.696715][ T8348]  ? gsmld_write+0x120/0x120
[  455.701299][ T8348]  ? __vt_event_wait+0x240/0x240
[  455.706237][ T8348]  ? ldsem_down_read+0xb4/0xe0
[  455.711003][ T8348]  ? gsmld_write+0x120/0x120
[  455.715668][ T8348]  tty_ioctl+0x98c/0xda0
[  455.719911][ T8348]  ? security_file_ioctl+0x81/0xa0
[  455.725013][ T8348]  ? tty_get_icount+0xb0/0xb0
[  455.729766][ T8348]  __se_sys_ioctl+0xf8/0x170
[  455.734348][ T8348]  do_syscall_64+0x41/0xc0
[  455.738756][ T8348]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  455.744729][ T8348] RIP: 0033:0x7f68b62c56e9
[  455.749222][ T8348] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  455.769477][ T8348] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  455.778519][ T8348] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  455.787034][ T8348] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  455.795441][ T8348] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  455.803493][ T8348] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  455.811464][ T8348] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  455.820055][ T8348]  </TASK>
[  455.847674][ T8348] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  455.851931][ T8349] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  455.873908][ T8349] CPU: 0 PID: 8349 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  455.884476][ T8349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  455.894957][ T8349] Call Trace:
[  455.898351][ T8349]  <TASK>
[  455.901857][ T8349]  dump_stack_lvl+0x1e7/0x2d0
[  455.906567][ T8349]  ? nf_tcp_handle_invalid+0x650/0x650
[  455.912086][ T8349]  ? panic+0x770/0x770
[  455.916281][ T8349]  sysfs_create_dir_ns+0x2ca/0x390
[  455.921428][ T8349]  ? sysfs_warn_dup+0xa0/0xa0
[  455.926144][ T8349]  kobject_add_internal+0x61d/0xc30
[  455.931382][ T8349]  kobject_add+0x152/0x210
[  455.935841][ T8349]  ? kobject_put+0x3e4/0x430
[  455.940460][ T8349]  ? kobject_init+0x1f0/0x1f0
[  455.945285][ T8349]  ? get_device_parent+0x25d/0x410
[  455.950430][ T8349]  ? device_add+0x30f/0xc90
[  455.954998][ T8349]  device_add+0x449/0xc90
[  455.959628][ T8349]  tty_register_device_attr+0x437/0x960
[  455.965313][ T8349]  ? tty_register_device+0x30/0x30
[  455.970466][ T8349]  ? gsm_dlci_alloc+0x354/0x6e0
[  455.975551][ T8349]  gsm_activate_mux+0xe9/0x290
[  455.980410][ T8349]  gsmld_ioctl+0x1858/0x25b0
[  455.985032][ T8349]  ? tomoyo_path_number_perm+0x663/0x840
[  455.990874][ T8349]  ? gsmld_write+0x120/0x120
[  455.995475][ T8349]  ? __vt_event_wait+0x240/0x240
[  456.000434][ T8349]  ? ldsem_down_read+0xb4/0xe0
[  456.005204][ T8349]  ? gsmld_write+0x120/0x120
[  456.009799][ T8349]  tty_ioctl+0x98c/0xda0
[  456.014035][ T8349]  ? security_file_ioctl+0x81/0xa0
[  456.019138][ T8349]  ? tty_get_icount+0xb0/0xb0
[  456.023899][ T8349]  __se_sys_ioctl+0xf8/0x170
[  456.028490][ T8349]  do_syscall_64+0x41/0xc0
[  456.032900][ T8349]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  456.038874][ T8349] RIP: 0033:0x7f68b62c56e9
[  456.043293][ T8349] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  456.062890][ T8349] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  456.071296][ T8349] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  456.079258][ T8349] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  456.087478][ T8349] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  456.095624][ T8349] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  456.103935][ T8349] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  456.112530][ T8349]  </TASK>
[  456.119045][ T8349] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  456.292183][ T8352] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  456.313729][ T8352] CPU: 1 PID: 8352 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  456.323860][ T8352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  456.334289][ T8352] Call Trace:
[  456.337602][ T8352]  <TASK>
[  456.340641][ T8352]  dump_stack_lvl+0x1e7/0x2d0
[  456.345720][ T8352]  ? nf_tcp_handle_invalid+0x650/0x650
[  456.351495][ T8352]  ? panic+0x770/0x770
[  456.355612][ T8352]  sysfs_create_dir_ns+0x2ca/0x390
[  456.361377][ T8352]  ? sysfs_warn_dup+0xa0/0xa0
[  456.366199][ T8352]  kobject_add_internal+0x61d/0xc30
[  456.371447][ T8352]  kobject_add+0x152/0x210
[  456.375899][ T8352]  ? kobject_put+0x3e4/0x430
[  456.380518][ T8352]  ? kobject_init+0x1f0/0x1f0
[  456.385226][ T8352]  ? get_device_parent+0x25d/0x410
[  456.390372][ T8352]  ? device_add+0x30f/0xc90
[  456.395347][ T8352]  device_add+0x449/0xc90
[  456.399908][ T8352]  tty_register_device_attr+0x437/0x960
[  456.405590][ T8352]  ? tty_register_device+0x30/0x30
[  456.410918][ T8352]  ? gsm_dlci_alloc+0x354/0x6e0
[  456.415903][ T8352]  gsm_activate_mux+0xe9/0x290
[  456.420919][ T8352]  gsmld_ioctl+0x1858/0x25b0
[  456.425576][ T8352]  ? tomoyo_path_number_perm+0x663/0x840
[  456.431253][ T8352]  ? gsmld_write+0x120/0x120
[  456.435885][ T8352]  ? __vt_event_wait+0x240/0x240
[  456.440958][ T8352]  ? ldsem_down_read+0xb4/0xe0
[  456.445930][ T8352]  ? gsmld_write+0x120/0x120
[  456.450642][ T8352]  tty_ioctl+0x98c/0xda0
[  456.454932][ T8352]  ? security_file_ioctl+0x81/0xa0
[  456.460173][ T8352]  ? tty_get_icount+0xb0/0xb0
[  456.464973][ T8352]  __se_sys_ioctl+0xf8/0x170
[  456.469693][ T8352]  do_syscall_64+0x41/0xc0
[  456.474228][ T8352]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  456.480141][ T8352] RIP: 0033:0x7f68b62c56e9
[  456.484718][ T8352] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  456.504688][ T8352] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  456.513154][ T8352] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  456.521174][ T8352] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  456.529573][ T8352] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  456.537656][ T8352] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  456.545714][ T8352] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  456.553760][ T8352]  </TASK>
[  456.559813][ T8352] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  456.728851][ T8356] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  456.754920][ T8356] CPU: 0 PID: 8356 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  456.765563][ T8356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  456.777221][ T8356] Call Trace:
[  456.780767][ T8356]  <TASK>
[  456.783697][ T8356]  dump_stack_lvl+0x1e7/0x2d0
[  456.788381][ T8356]  ? nf_tcp_handle_invalid+0x650/0x650
[  456.793922][ T8356]  ? panic+0x770/0x770
[  456.798166][ T8356]  sysfs_create_dir_ns+0x2ca/0x390
[  456.803545][ T8356]  ? sysfs_warn_dup+0xa0/0xa0
[  456.808301][ T8356]  kobject_add_internal+0x61d/0xc30
[  456.813853][ T8356]  kobject_add+0x152/0x210
[  456.818360][ T8356]  ? kobject_put+0x3e4/0x430
[  456.823553][ T8356]  ? kobject_init+0x1f0/0x1f0
[  456.829191][ T8356]  ? get_device_parent+0x25d/0x410
[  456.834297][ T8356]  ? device_add+0x30f/0xc90
[  456.838801][ T8356]  device_add+0x449/0xc90
[  456.843125][ T8356]  tty_register_device_attr+0x437/0x960
[  456.848681][ T8356]  ? tty_register_device+0x30/0x30
[  456.853878][ T8356]  ? gsm_dlci_alloc+0x354/0x6e0
[  456.858742][ T8356]  gsm_activate_mux+0xe9/0x290
[  456.864023][ T8356]  gsmld_ioctl+0x1858/0x25b0
[  456.868700][ T8356]  ? tomoyo_path_number_perm+0x663/0x840
[  456.874511][ T8356]  ? gsmld_write+0x120/0x120
[  456.879129][ T8356]  ? __vt_event_wait+0x240/0x240
[  456.884078][ T8356]  ? ldsem_down_read+0xb4/0xe0
[  456.888839][ T8356]  ? gsmld_write+0x120/0x120
[  456.893508][ T8356]  tty_ioctl+0x98c/0xda0
[  456.897785][ T8356]  ? security_file_ioctl+0x81/0xa0
[  456.902893][ T8356]  ? tty_get_icount+0xb0/0xb0
[  456.907837][ T8356]  __se_sys_ioctl+0xf8/0x170
[  456.912484][ T8356]  do_syscall_64+0x41/0xc0
[  456.917336][ T8356]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  456.923397][ T8356] RIP: 0033:0x7f68b62c56e9
[  456.927908][ T8356] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  456.948292][ T8356] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  456.958889][ T8356] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  456.966851][ T8356] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  456.974813][ T8356] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  456.982776][ T8356] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  456.990733][ T8356] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  456.998878][ T8356]  </TASK>
[  457.002242][ T8356] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.234659][ T8359] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  457.247702][ T8359] CPU: 1 PID: 8359 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  457.258471][ T8359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  457.269510][ T8359] Call Trace:
[  457.272909][ T8359]  <TASK>
[  457.276314][ T8359]  dump_stack_lvl+0x1e7/0x2d0
[  457.281036][ T8359]  ? nf_tcp_handle_invalid+0x650/0x650
[  457.286616][ T8359]  ? panic+0x770/0x770
[  457.290901][ T8359]  sysfs_create_dir_ns+0x2ca/0x390
[  457.296234][ T8359]  ? sysfs_warn_dup+0xa0/0xa0
[  457.301036][ T8359]  kobject_add_internal+0x61d/0xc30
[  457.306302][ T8359]  kobject_add+0x152/0x210
[  457.310765][ T8359]  ? kobject_put+0x3e4/0x430
[  457.315486][ T8359]  ? kobject_init+0x1f0/0x1f0
[  457.320386][ T8359]  ? get_device_parent+0x25d/0x410
[  457.325802][ T8359]  ? device_add+0x30f/0xc90
[  457.330442][ T8359]  device_add+0x449/0xc90
[  457.334922][ T8359]  tty_register_device_attr+0x437/0x960
[  457.340858][ T8359]  ? tty_register_device+0x30/0x30
[  457.346125][ T8359]  ? gsm_dlci_alloc+0x354/0x6e0
[  457.351202][ T8359]  gsm_activate_mux+0xe9/0x290
[  457.356014][ T8359]  gsmld_ioctl+0x1858/0x25b0
[  457.360986][ T8359]  ? tomoyo_path_number_perm+0x663/0x840
[  457.366747][ T8359]  ? gsmld_write+0x120/0x120
[  457.371546][ T8359]  ? __vt_event_wait+0x240/0x240
[  457.376524][ T8359]  ? ldsem_down_read+0xb4/0xe0
[  457.381318][ T8359]  ? gsmld_write+0x120/0x120
[  457.386291][ T8359]  tty_ioctl+0x98c/0xda0
[  457.391002][ T8359]  ? security_file_ioctl+0x81/0xa0
[  457.396145][ T8359]  ? tty_get_icount+0xb0/0xb0
[  457.400857][ T8359]  __se_sys_ioctl+0xf8/0x170
[  457.405486][ T8359]  do_syscall_64+0x41/0xc0
[  457.410052][ T8359]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  457.415962][ T8359] RIP: 0033:0x7f68b62c56e9
[  457.420386][ T8359] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  457.440089][ T8359] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  457.448596][ T8359] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  457.456660][ T8359] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  457.464641][ T8359] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  457.472616][ T8359] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  457.480663][ T8359] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  457.488802][ T8359]  </TASK>
[  457.493440][ T8359] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.663987][ T8363] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  457.694301][ T8363] CPU: 0 PID: 8363 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  457.704621][ T8363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  457.714702][ T8363] Call Trace:
[  457.717983][ T8363]  <TASK>
[  457.720907][ T8363]  dump_stack_lvl+0x1e7/0x2d0
[  457.725588][ T8363]  ? nf_tcp_handle_invalid+0x650/0x650
[  457.731126][ T8363]  ? panic+0x770/0x770
[  457.735193][ T8363]  sysfs_create_dir_ns+0x2ca/0x390
[  457.740298][ T8363]  ? sysfs_warn_dup+0xa0/0xa0
[  457.745063][ T8363]  kobject_add_internal+0x61d/0xc30
[  457.750522][ T8363]  kobject_add+0x152/0x210
[  457.755123][ T8363]  ? kobject_put+0x3e4/0x430
[  457.759880][ T8363]  ? kobject_init+0x1f0/0x1f0
[  457.764734][ T8363]  ? get_device_parent+0x25d/0x410
[  457.770117][ T8363]  ? device_add+0x30f/0xc90
[  457.774885][ T8363]  device_add+0x449/0xc90
[  457.779387][ T8363]  tty_register_device_attr+0x437/0x960
[  457.785024][ T8363]  ? tty_register_device+0x30/0x30
[  457.790257][ T8363]  ? gsm_dlci_alloc+0x354/0x6e0
[  457.795100][ T8363]  gsm_activate_mux+0xe9/0x290
[  457.799856][ T8363]  gsmld_ioctl+0x1858/0x25b0
[  457.804437][ T8363]  ? tomoyo_path_number_perm+0x663/0x840
[  457.810161][ T8363]  ? gsmld_write+0x120/0x120
[  457.815182][ T8363]  ? __vt_event_wait+0x240/0x240
[  457.820207][ T8363]  ? ldsem_down_read+0xb4/0xe0
[  457.824994][ T8363]  ? gsmld_write+0x120/0x120
[  457.829661][ T8363]  tty_ioctl+0x98c/0xda0
[  457.833989][ T8363]  ? security_file_ioctl+0x81/0xa0
[  457.839473][ T8363]  ? tty_get_icount+0xb0/0xb0
[  457.845016][ T8363]  __se_sys_ioctl+0xf8/0x170
[  457.849966][ T8363]  do_syscall_64+0x41/0xc0
[  457.854468][ T8363]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  457.860372][ T8363] RIP: 0033:0x7f68b62c56e9
[  457.864868][ T8363] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  457.884985][ T8363] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  457.893650][ T8363] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  457.901622][ T8363] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  457.909669][ T8363] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  457.917632][ T8363] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  457.925679][ T8363] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  457.933730][ T8363]  </TASK>
[  457.952770][ T8364] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  457.963760][ T8364] CPU: 1 PID: 8364 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  457.974036][ T8364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  457.974166][ T8363] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.984091][ T8364] Call Trace:
[  457.984102][ T8364]  <TASK>
[  457.984108][ T8364]  dump_stack_lvl+0x1e7/0x2d0
[  457.984137][ T8364]  ? nf_tcp_handle_invalid+0x650/0x650
[  458.015367][ T8364]  ? panic+0x770/0x770
[  458.019481][ T8364]  sysfs_create_dir_ns+0x2ca/0x390
[  458.025032][ T8364]  ? sysfs_warn_dup+0xa0/0xa0
[  458.029793][ T8364]  kobject_add_internal+0x61d/0xc30
[  458.034991][ T8364]  kobject_add+0x152/0x210
[  458.039756][ T8364]  ? kobject_put+0x3e4/0x430
[  458.044434][ T8364]  ? kobject_init+0x1f0/0x1f0
[  458.049116][ T8364]  ? get_device_parent+0x25d/0x410
[  458.054397][ T8364]  ? device_add+0x30f/0xc90
[  458.059006][ T8364]  device_add+0x449/0xc90
[  458.063444][ T8364]  tty_register_device_attr+0x437/0x960
[  458.069114][ T8364]  ? tty_register_device+0x30/0x30
[  458.074221][ T8364]  ? gsm_dlci_alloc+0x354/0x6e0
[  458.079158][ T8364]  gsm_activate_mux+0xe9/0x290
[  458.083923][ T8364]  gsmld_ioctl+0x1858/0x25b0
[  458.088751][ T8364]  ? tomoyo_path_number_perm+0x663/0x840
[  458.094470][ T8364]  ? gsmld_write+0x120/0x120
[  458.099051][ T8364]  ? __vt_event_wait+0x240/0x240
[  458.104205][ T8364]  ? ldsem_down_read+0xb4/0xe0
[  458.108969][ T8364]  ? gsmld_write+0x120/0x120
[  458.113647][ T8364]  tty_ioctl+0x98c/0xda0
[  458.117981][ T8364]  ? security_file_ioctl+0x81/0xa0
[  458.123088][ T8364]  ? tty_get_icount+0xb0/0xb0
[  458.127758][ T8364]  __se_sys_ioctl+0xf8/0x170
[  458.132347][ T8364]  do_syscall_64+0x41/0xc0
[  458.136768][ T8364]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  458.143174][ T8364] RIP: 0033:0x7f68b62c56e9
[  458.147772][ T8364] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  458.168324][ T8364] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  458.177412][ T8364] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  458.185460][ T8364] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  458.193450][ T8364] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  458.201657][ T8364] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  458.210057][ T8364] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  458.218037][ T8364]  </TASK>
[  458.227142][ T8364] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  458.438109][ T8367] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  458.461026][ T8367] CPU: 0 PID: 8367 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  458.471141][ T8367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  458.481310][ T8367] Call Trace:
[  458.484695][ T8367]  <TASK>
[  458.487640][ T8367]  dump_stack_lvl+0x1e7/0x2d0
[  458.492350][ T8367]  ? nf_tcp_handle_invalid+0x650/0x650
[  458.497935][ T8367]  ? panic+0x770/0x770
[  458.502219][ T8367]  sysfs_create_dir_ns+0x2ca/0x390
[  458.507371][ T8367]  ? sysfs_warn_dup+0xa0/0xa0
[  458.512196][ T8367]  kobject_add_internal+0x61d/0xc30
[  458.517532][ T8367]  kobject_add+0x152/0x210
[  458.522164][ T8367]  ? kobject_put+0x3e4/0x430
[  458.526796][ T8367]  ? kobject_init+0x1f0/0x1f0
[  458.531514][ T8367]  ? get_device_parent+0x25d/0x410
[  458.536751][ T8367]  ? device_add+0x30f/0xc90
[  458.541289][ T8367]  device_add+0x449/0xc90
[  458.545735][ T8367]  tty_register_device_attr+0x437/0x960
[  458.551325][ T8367]  ? tty_register_device+0x30/0x30
[  458.556561][ T8367]  ? gsm_dlci_alloc+0x354/0x6e0
[  458.561539][ T8367]  gsm_activate_mux+0xe9/0x290
[  458.566349][ T8367]  gsmld_ioctl+0x1858/0x25b0
[  458.571148][ T8367]  ? tomoyo_path_number_perm+0x663/0x840
[  458.576944][ T8367]  ? gsmld_write+0x120/0x120
[  458.581572][ T8367]  ? __vt_event_wait+0x240/0x240
[  458.586640][ T8367]  ? ldsem_down_read+0xb4/0xe0
[  458.591528][ T8367]  ? gsmld_write+0x120/0x120
[  458.596161][ T8367]  tty_ioctl+0x98c/0xda0
[  458.600701][ T8367]  ? security_file_ioctl+0x81/0xa0
[  458.606369][ T8367]  ? tty_get_icount+0xb0/0xb0
[  458.611163][ T8367]  __se_sys_ioctl+0xf8/0x170
[  458.615772][ T8367]  do_syscall_64+0x41/0xc0
[  458.620295][ T8367]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  458.626214][ T8367] RIP: 0033:0x7f68b62c56e9
[  458.630726][ T8367] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  458.650694][ T8367] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  458.659212][ T8367] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  458.667283][ T8367] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  458.675425][ T8367] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  458.683482][ T8367] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  458.691531][ T8367] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  458.699584][ T8367]  </TASK>
[  458.702974][ T8367] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  458.882401][ T8370] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  458.896072][ T8370] CPU: 0 PID: 8370 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  458.906713][ T8370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  458.916897][ T8370] Call Trace:
[  458.920214][ T8370]  <TASK>
[  458.923176][ T8370]  dump_stack_lvl+0x1e7/0x2d0
[  458.927902][ T8370]  ? nf_tcp_handle_invalid+0x650/0x650
[  458.933388][ T8370]  ? panic+0x770/0x770
[  458.938625][ T8370]  sysfs_create_dir_ns+0x2ca/0x390
[  458.944482][ T8370]  ? sysfs_warn_dup+0xa0/0xa0
[  458.949393][ T8370]  kobject_add_internal+0x61d/0xc30
[  458.956033][ T8370]  kobject_add+0x152/0x210
[  458.960759][ T8370]  ? kobject_put+0x3e4/0x430
[  458.965476][ T8370]  ? kobject_init+0x1f0/0x1f0
[  458.970194][ T8370]  ? get_device_parent+0x25d/0x410
[  458.975431][ T8370]  ? device_add+0x30f/0xc90
[  458.980237][ T8370]  device_add+0x449/0xc90
[  458.985144][ T8370]  tty_register_device_attr+0x437/0x960
[  458.991108][ T8370]  ? tty_register_device+0x30/0x30
[  458.996359][ T8370]  ? gsm_dlci_alloc+0x354/0x6e0
[  459.001374][ T8370]  gsm_activate_mux+0xe9/0x290
[  459.006357][ T8370]  gsmld_ioctl+0x1858/0x25b0
[  459.011107][ T8370]  ? tomoyo_path_number_perm+0x663/0x840
[  459.016971][ T8370]  ? gsmld_write+0x120/0x120
[  459.021686][ T8370]  ? __vt_event_wait+0x240/0x240
[  459.026847][ T8370]  ? ldsem_down_read+0xb4/0xe0
[  459.032016][ T8370]  ? gsmld_write+0x120/0x120
[  459.037176][ T8370]  tty_ioctl+0x98c/0xda0
[  459.042328][ T8370]  ? security_file_ioctl+0x81/0xa0
[  459.047479][ T8370]  ? tty_get_icount+0xb0/0xb0
[  459.052299][ T8370]  __se_sys_ioctl+0xf8/0x170
[  459.057369][ T8370]  do_syscall_64+0x41/0xc0
[  459.061919][ T8370]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  459.068042][ T8370] RIP: 0033:0x7f68b62c56e9
[  459.072665][ T8370] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  459.095170][ T8370] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  459.103699][ T8370] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  459.112762][ T8370] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  459.121007][ T8370] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  459.129434][ T8370] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  459.138195][ T8370] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  459.146525][ T8370]  </TASK>
[  459.150183][ T8370] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.333240][ T8374] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  459.346376][ T8374] CPU: 1 PID: 8374 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  459.357112][ T8374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  459.368098][ T8374] Call Trace:
[  459.371877][ T8374]  <TASK>
[  459.375192][ T8374]  dump_stack_lvl+0x1e7/0x2d0
[  459.380032][ T8374]  ? nf_tcp_handle_invalid+0x650/0x650
[  459.385721][ T8374]  ? panic+0x770/0x770
[  459.389835][ T8374]  sysfs_create_dir_ns+0x2ca/0x390
[  459.395430][ T8374]  ? sysfs_warn_dup+0xa0/0xa0
[  459.400847][ T8374]  kobject_add_internal+0x61d/0xc30
[  459.406705][ T8374]  kobject_add+0x152/0x210
[  459.411382][ T8374]  ? kobject_put+0x3e4/0x430
[  459.418813][ T8374]  ? kobject_init+0x1f0/0x1f0
[  459.423780][ T8374]  ? get_device_parent+0x25d/0x410
[  459.429616][ T8374]  ? device_add+0x30f/0xc90
[  459.434266][ T8374]  device_add+0x449/0xc90
[  459.439439][ T8374]  tty_register_device_attr+0x437/0x960
[  459.445815][ T8374]  ? tty_register_device+0x30/0x30
[  459.451171][ T8374]  ? gsm_dlci_alloc+0x354/0x6e0
[  459.456126][ T8374]  gsm_activate_mux+0xe9/0x290
[  459.461138][ T8374]  gsmld_ioctl+0x1858/0x25b0
[  459.466235][ T8374]  ? tomoyo_path_number_perm+0x663/0x840
[  459.472192][ T8374]  ? gsmld_write+0x120/0x120
[  459.477078][ T8374]  ? __vt_event_wait+0x240/0x240
[  459.482755][ T8374]  ? ldsem_down_read+0xb4/0xe0
[  459.487726][ T8374]  ? gsmld_write+0x120/0x120
[  459.492601][ T8374]  tty_ioctl+0x98c/0xda0
[  459.496878][ T8374]  ? security_file_ioctl+0x81/0xa0
[  459.502011][ T8374]  ? tty_get_icount+0xb0/0xb0
[  459.506720][ T8374]  __se_sys_ioctl+0xf8/0x170
[  459.511650][ T8374]  do_syscall_64+0x41/0xc0
[  459.516543][ T8374]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  459.523422][ T8374] RIP: 0033:0x7f68b62c56e9
[  459.527876][ T8374] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  459.548393][ T8374] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  459.557609][ T8374] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  459.566228][ T8374] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  459.575010][ T8374] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  459.583022][ T8374] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  459.591689][ T8374] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  459.600397][ T8374]  </TASK>
[  459.625673][ T8375] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  459.655014][ T8375] CPU: 1 PID: 8375 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  459.665122][ T8374] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.665556][ T8375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  459.665569][ T8375] Call Trace:
[  459.695018][ T8375]  <TASK>
[  459.698499][ T8375]  dump_stack_lvl+0x1e7/0x2d0
[  459.703413][ T8375]  ? nf_tcp_handle_invalid+0x650/0x650
[  459.709090][ T8375]  ? panic+0x770/0x770
[  459.713227][ T8375]  sysfs_create_dir_ns+0x2ca/0x390
[  459.718899][ T8375]  ? sysfs_warn_dup+0xa0/0xa0
[  459.724107][ T8375]  kobject_add_internal+0x61d/0xc30
[  459.729412][ T8375]  kobject_add+0x152/0x210
[  459.734292][ T8375]  ? kobject_put+0x3e4/0x430
[  459.739039][ T8375]  ? kobject_init+0x1f0/0x1f0
[  459.743803][ T8375]  ? get_device_parent+0x25d/0x410
[  459.749628][ T8375]  ? device_add+0x30f/0xc90
[  459.754514][ T8375]  device_add+0x449/0xc90
[  459.758967][ T8375]  tty_register_device_attr+0x437/0x960
[  459.768275][ T8375]  ? tty_register_device+0x30/0x30
[  459.773763][ T8375]  ? gsm_dlci_alloc+0x354/0x6e0
[  459.778720][ T8375]  gsm_activate_mux+0xe9/0x290
[  459.783490][ T8375]  gsmld_ioctl+0x1858/0x25b0
[  459.788441][ T8375]  ? tomoyo_path_number_perm+0x663/0x840
[  459.794182][ T8375]  ? gsmld_write+0x120/0x120
[  459.798958][ T8375]  ? __vt_event_wait+0x240/0x240
[  459.803990][ T8375]  ? ldsem_down_read+0xb4/0xe0
[  459.809019][ T8375]  ? gsmld_write+0x120/0x120
[  459.814163][ T8375]  tty_ioctl+0x98c/0xda0
[  459.818770][ T8375]  ? security_file_ioctl+0x81/0xa0
[  459.823989][ T8375]  ? tty_get_icount+0xb0/0xb0
[  459.829042][ T8375]  __se_sys_ioctl+0xf8/0x170
[  459.834026][ T8375]  do_syscall_64+0x41/0xc0
[  459.838978][ T8375]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  459.844869][ T8375] RIP: 0033:0x7f68b62c56e9
[  459.849365][ T8375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  459.869683][ T8375] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  459.878548][ T8375] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  459.886970][ T8375] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  459.895485][ T8375] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  459.904340][ T8375] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  459.913894][ T8375] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  459.923924][ T8375]  </TASK>
[  459.928150][ T8375] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.108522][ T8378] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  460.144980][ T8378] CPU: 0 PID: 8378 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  460.156179][ T8378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  460.167042][ T8378] Call Trace:
[  460.170342][ T8378]  <TASK>
[  460.173282][ T8378]  dump_stack_lvl+0x1e7/0x2d0
[  460.178003][ T8378]  ? nf_tcp_handle_invalid+0x650/0x650
[  460.184763][ T8378]  ? panic+0x770/0x770
[  460.192453][ T8378]  sysfs_create_dir_ns+0x2ca/0x390
[  460.200241][ T8378]  ? sysfs_warn_dup+0xa0/0xa0
[  460.206687][ T8378]  kobject_add_internal+0x61d/0xc30
[  460.213174][ T8378]  kobject_add+0x152/0x210
[  460.219497][ T8378]  ? kobject_put+0x3e4/0x430
[  460.225483][ T8378]  ? kobject_init+0x1f0/0x1f0
[  460.232506][ T8378]  ? get_device_parent+0x25d/0x410
[  460.238725][ T8378]  ? device_add+0x30f/0xc90
[  460.243387][ T8378]  device_add+0x449/0xc90
[  460.248511][ T8378]  tty_register_device_attr+0x437/0x960
[  460.254438][ T8378]  ? tty_register_device+0x30/0x30
[  460.259946][ T8378]  ? gsm_dlci_alloc+0x354/0x6e0
[  460.265377][ T8378]  gsm_activate_mux+0xe9/0x290
[  460.270903][ T8378]  gsmld_ioctl+0x1858/0x25b0
[  460.276566][ T8378]  ? tomoyo_path_number_perm+0x663/0x840
[  460.282434][ T8378]  ? gsmld_write+0x120/0x120
[  460.288684][ T8378]  ? __vt_event_wait+0x240/0x240
[  460.294726][ T8378]  ? ldsem_down_read+0xb4/0xe0
[  460.300235][ T8378]  ? gsmld_write+0x120/0x120
[  460.305637][ T8378]  tty_ioctl+0x98c/0xda0
[  460.310207][ T8378]  ? security_file_ioctl+0x81/0xa0
[  460.315886][ T8378]  ? tty_get_icount+0xb0/0xb0
[  460.321260][ T8378]  __se_sys_ioctl+0xf8/0x170
[  460.325959][ T8378]  do_syscall_64+0x41/0xc0
[  460.331289][ T8378]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  460.337465][ T8378] RIP: 0033:0x7f68b62c56e9
[  460.342004][ T8378] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  460.364525][ T8378] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  460.374158][ T8378] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  460.383730][ T8378] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  460.392463][ T8378] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  460.403435][ T8378] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  460.413881][ T8378] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  460.422854][ T8378]  </TASK>
[  460.432586][ T8378] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.668207][ T8381] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  460.688353][ T8381] CPU: 1 PID: 8381 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  460.698759][ T8381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  460.708943][ T8381] Call Trace:
[  460.712516][ T8381]  <TASK>
[  460.715639][ T8381]  dump_stack_lvl+0x1e7/0x2d0
[  460.719339][ T8382] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  460.720506][ T8381]  ? nf_tcp_handle_invalid+0x650/0x650
[  460.735333][ T8381]  ? panic+0x770/0x770
[  460.739612][ T8381]  sysfs_create_dir_ns+0x2ca/0x390
[  460.744958][ T8381]  ? sysfs_warn_dup+0xa0/0xa0
[  460.749861][ T8381]  kobject_add_internal+0x61d/0xc30
[  460.755304][ T8381]  kobject_add+0x152/0x210
[  460.759836][ T8381]  ? kobject_put+0x3e4/0x430
[  460.765679][ T8381]  ? kobject_init+0x1f0/0x1f0
[  460.770898][ T8381]  ? get_device_parent+0x25d/0x410
[  460.776261][ T8381]  ? device_add+0x30f/0xc90
[  460.780913][ T8381]  device_add+0x449/0xc90
[  460.785391][ T8381]  tty_register_device_attr+0x437/0x960
[  460.791249][ T8381]  ? tty_register_device+0x30/0x30
[  460.796591][ T8381]  ? gsm_dlci_alloc+0x354/0x6e0
[  460.801746][ T8381]  gsm_activate_mux+0xe9/0x290
[  460.806747][ T8381]  gsmld_ioctl+0x1858/0x25b0
[  460.811415][ T8381]  ? tomoyo_path_number_perm+0x663/0x840
[  460.817521][ T8381]  ? gsmld_write+0x120/0x120
[  460.822571][ T8381]  ? __vt_event_wait+0x240/0x240
[  460.827735][ T8381]  ? ldsem_down_read+0xb4/0xe0
[  460.833050][ T8381]  ? gsmld_write+0x120/0x120
[  460.838168][ T8381]  tty_ioctl+0x98c/0xda0
[  460.842855][ T8381]  ? security_file_ioctl+0x81/0xa0
[  460.848696][ T8381]  ? tty_get_icount+0xb0/0xb0
[  460.853795][ T8381]  __se_sys_ioctl+0xf8/0x170
[  460.859149][ T8381]  do_syscall_64+0x41/0xc0
[  460.865553][ T8381]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  460.872321][ T8381] RIP: 0033:0x7f68b62c56e9
[  460.876961][ T8381] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  460.898979][ T8381] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  460.908769][ T8381] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  460.918175][ T8381] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  460.927837][ T8381] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  460.936252][ T8381] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  460.944313][ T8381] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  460.952566][ T8381]  </TASK>
[  460.956889][ T8382] CPU: 1 PID: 8382 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  460.968337][ T8382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  460.979385][ T8382] Call Trace:
[  460.983492][ T8382]  <TASK>
[  460.986628][ T8382]  dump_stack_lvl+0x1e7/0x2d0
[  460.992473][ T8382]  ? nf_tcp_handle_invalid+0x650/0x650
[  460.998442][ T8382]  ? panic+0x770/0x770
[  461.003353][ T8382]  sysfs_create_dir_ns+0x2ca/0x390
[  461.009438][ T8382]  ? sysfs_warn_dup+0xa0/0xa0
[  461.014752][ T8382]  kobject_add_internal+0x61d/0xc30
[  461.020436][ T8382]  kobject_add+0x152/0x210
[  461.024911][ T8382]  ? kobject_put+0x3e4/0x430
[  461.029749][ T8382]  ? kobject_init+0x1f0/0x1f0
[  461.034919][ T8382]  ? get_device_parent+0x25d/0x410
[  461.040675][ T8382]  ? device_add+0x30f/0xc90
[  461.045185][ T8382]  device_add+0x449/0xc90
[  461.049531][ T8382]  tty_register_device_attr+0x437/0x960
[  461.055170][ T8382]  ? tty_register_device+0x30/0x30
[  461.060296][ T8382]  ? gsm_dlci_alloc+0x354/0x6e0
[  461.065171][ T8382]  gsm_activate_mux+0xe9/0x290
[  461.070199][ T8382]  gsmld_ioctl+0x1858/0x25b0
[  461.074884][ T8382]  ? tomoyo_path_number_perm+0x663/0x840
[  461.081869][ T8382]  ? gsmld_write+0x120/0x120
[  461.086570][ T8382]  ? __vt_event_wait+0x240/0x240
[  461.091964][ T8382]  ? ldsem_down_read+0xb4/0xe0
[  461.097370][ T8382]  ? gsmld_write+0x120/0x120
[  461.102888][ T8382]  tty_ioctl+0x98c/0xda0
[  461.107644][ T8382]  ? security_file_ioctl+0x81/0xa0
[  461.112862][ T8382]  ? tty_get_icount+0xb0/0xb0
[  461.117803][ T8382]  __se_sys_ioctl+0xf8/0x170
[  461.122538][ T8382]  do_syscall_64+0x41/0xc0
[  461.127151][ T8382]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  461.133182][ T8382] RIP: 0033:0x7f68b62c56e9
[  461.137616][ T8382] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  461.157837][ T8382] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  461.166345][ T8382] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  461.174334][ T8382] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  461.183251][ T8382] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  461.192400][ T8382] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  461.200686][ T8382] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  461.208931][ T8382]  </TASK>
[  461.214685][ T8381] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.229541][ T8382] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.454653][ T8385] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  461.473375][ T8385] CPU: 1 PID: 8385 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  461.485525][ T8385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  461.495870][ T8385] Call Trace:
[  461.499208][ T8385]  <TASK>
[  461.502223][ T8385]  dump_stack_lvl+0x1e7/0x2d0
[  461.506993][ T8385]  ? nf_tcp_handle_invalid+0x650/0x650
[  461.512984][ T8385]  ? panic+0x770/0x770
[  461.517216][ T8385]  sysfs_create_dir_ns+0x2ca/0x390
[  461.522313][ T8385]  ? sysfs_warn_dup+0xa0/0xa0
[  461.527096][ T8385]  kobject_add_internal+0x61d/0xc30
[  461.532680][ T8385]  kobject_add+0x152/0x210
[  461.537232][ T8385]  ? kobject_put+0x3e4/0x430
[  461.542470][ T8385]  ? kobject_init+0x1f0/0x1f0
[  461.547536][ T8385]  ? get_device_parent+0x25d/0x410
[  461.552703][ T8385]  ? device_add+0x30f/0xc90
[  461.557432][ T8385]  device_add+0x449/0xc90
[  461.562166][ T8385]  tty_register_device_attr+0x437/0x960
[  461.568035][ T8385]  ? tty_register_device+0x30/0x30
[  461.573452][ T8385]  ? gsm_dlci_alloc+0x354/0x6e0
[  461.578349][ T8385]  gsm_activate_mux+0xe9/0x290
[  461.583155][ T8385]  gsmld_ioctl+0x1858/0x25b0
[  461.587955][ T8385]  ? tomoyo_path_number_perm+0x663/0x840
[  461.594081][ T8385]  ? gsmld_write+0x120/0x120
[  461.598813][ T8385]  ? __vt_event_wait+0x240/0x240
[  461.603937][ T8385]  ? ldsem_down_read+0xb4/0xe0
[  461.609096][ T8385]  ? gsmld_write+0x120/0x120
[  461.613744][ T8385]  tty_ioctl+0x98c/0xda0
[  461.618034][ T8385]  ? security_file_ioctl+0x81/0xa0
[  461.623402][ T8385]  ? tty_get_icount+0xb0/0xb0
[  461.628130][ T8385]  __se_sys_ioctl+0xf8/0x170
[  461.632862][ T8385]  do_syscall_64+0x41/0xc0
[  461.637503][ T8385]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  461.643699][ T8385] RIP: 0033:0x7f68b62c56e9
[  461.648330][ T8385] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  461.668227][ T8385] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  461.676915][ T8385] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  461.686204][ T8385] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  461.695091][ T8385] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  461.703144][ T8385] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  461.711721][ T8385] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  461.719975][ T8385]  </TASK>
[  461.725292][ T8385] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.896802][ T8388] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  461.917046][ T8388] CPU: 1 PID: 8388 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  461.927343][ T8388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  461.937509][ T8388] Call Trace:
[  461.940820][ T8388]  <TASK>
[  461.943856][ T8388]  dump_stack_lvl+0x1e7/0x2d0
[  461.948580][ T8388]  ? nf_tcp_handle_invalid+0x650/0x650
[  461.954077][ T8388]  ? panic+0x770/0x770
[  461.958189][ T8388]  sysfs_create_dir_ns+0x2ca/0x390
[  461.963338][ T8388]  ? sysfs_warn_dup+0xa0/0xa0
[  461.966949][ T8389] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  461.968294][ T8388]  kobject_add_internal+0x61d/0xc30
[  461.982099][ T8388]  kobject_add+0x152/0x210
[  461.986608][ T8388]  ? kobject_put+0x3e4/0x430
[  461.991284][ T8388]  ? kobject_init+0x1f0/0x1f0
[  461.995965][ T8388]  ? get_device_parent+0x25d/0x410
[  462.001400][ T8388]  ? device_add+0x30f/0xc90
[  462.006713][ T8388]  device_add+0x449/0xc90
[  462.011079][ T8388]  tty_register_device_attr+0x437/0x960
[  462.016918][ T8388]  ? tty_register_device+0x30/0x30
[  462.022045][ T8388]  ? gsm_dlci_alloc+0x354/0x6e0
[  462.028205][ T8388]  gsm_activate_mux+0xe9/0x290
[  462.033416][ T8388]  gsmld_ioctl+0x1858/0x25b0
[  462.038446][ T8388]  ? tomoyo_path_number_perm+0x663/0x840
[  462.044091][ T8388]  ? gsmld_write+0x120/0x120
[  462.048767][ T8388]  ? __vt_event_wait+0x240/0x240
[  462.053797][ T8388]  ? ldsem_down_read+0xb4/0xe0
[  462.058565][ T8388]  ? gsmld_write+0x120/0x120
[  462.063165][ T8388]  tty_ioctl+0x98c/0xda0
[  462.067411][ T8388]  ? security_file_ioctl+0x81/0xa0
[  462.072958][ T8388]  ? tty_get_icount+0xb0/0xb0
[  462.077634][ T8388]  __se_sys_ioctl+0xf8/0x170
[  462.082233][ T8388]  do_syscall_64+0x41/0xc0
[  462.086921][ T8388]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  462.092906][ T8388] RIP: 0033:0x7f68b62c56e9
[  462.097606][ T8388] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  462.117525][ T8388] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  462.126380][ T8388] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  462.134623][ T8388] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  462.142679][ T8388] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  462.151230][ T8388] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  462.159218][ T8388] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  462.167376][ T8388]  </TASK>
[  462.175898][ T8388] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  462.190792][ T8389] CPU: 0 PID: 8389 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  462.202033][ T8389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  462.212291][ T8389] Call Trace:
[  462.215869][ T8389]  <TASK>
[  462.218903][ T8389]  dump_stack_lvl+0x1e7/0x2d0
[  462.224061][ T8389]  ? nf_tcp_handle_invalid+0x650/0x650
[  462.229812][ T8389]  ? panic+0x770/0x770
[  462.234285][ T8389]  sysfs_create_dir_ns+0x2ca/0x390
[  462.239707][ T8389]  ? sysfs_warn_dup+0xa0/0xa0
[  462.245164][ T8389]  kobject_add_internal+0x61d/0xc30
[  462.250579][ T8389]  kobject_add+0x152/0x210
[  462.255228][ T8389]  ? kobject_put+0x3e4/0x430
[  462.259850][ T8389]  ? kobject_init+0x1f0/0x1f0
[  462.264638][ T8389]  ? get_device_parent+0x25d/0x410
[  462.269834][ T8389]  ? device_add+0x30f/0xc90
[  462.274610][ T8389]  device_add+0x449/0xc90
[  462.279143][ T8389]  tty_register_device_attr+0x437/0x960
[  462.285919][ T8389]  ? tty_register_device+0x30/0x30
[  462.291388][ T8389]  ? gsm_dlci_alloc+0x354/0x6e0
[  462.296672][ T8389]  gsm_activate_mux+0xe9/0x290
[  462.301604][ T8389]  gsmld_ioctl+0x1858/0x25b0
[  462.306965][ T8389]  ? tomoyo_path_number_perm+0x663/0x840
[  462.314258][ T8389]  ? gsmld_write+0x120/0x120
[  462.319108][ T8389]  ? __vt_event_wait+0x240/0x240
[  462.324272][ T8389]  ? ldsem_down_read+0xb4/0xe0
[  462.329645][ T8389]  ? gsmld_write+0x120/0x120
[  462.334577][ T8389]  tty_ioctl+0x98c/0xda0
[  462.338820][ T8389]  ? security_file_ioctl+0x81/0xa0
[  462.344029][ T8389]  ? tty_get_icount+0xb0/0xb0
[  462.348786][ T8389]  __se_sys_ioctl+0xf8/0x170
[  462.353553][ T8389]  do_syscall_64+0x41/0xc0
[  462.357981][ T8389]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  462.364653][ T8389] RIP: 0033:0x7f68b62c56e9
[  462.369147][ T8389] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  462.389875][ T8389] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  462.398483][ T8389] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  462.407250][ T8389] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  462.416165][ T8389] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  462.424388][ T8389] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  462.432522][ T8389] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  462.440664][ T8389]  </TASK>
[  462.444739][ T8389] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  462.616264][ T8392] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  462.639001][ T8392] CPU: 1 PID: 8392 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  462.649120][ T8392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  462.659212][ T8392] Call Trace:
[  462.662604][ T8392]  <TASK>
[  462.665557][ T8392]  dump_stack_lvl+0x1e7/0x2d0
[  462.670356][ T8392]  ? nf_tcp_handle_invalid+0x650/0x650
[  462.675939][ T8392]  ? panic+0x770/0x770
[  462.680047][ T8392]  sysfs_create_dir_ns+0x2ca/0x390
[  462.685196][ T8392]  ? sysfs_warn_dup+0xa0/0xa0
[  462.689908][ T8392]  kobject_add_internal+0x61d/0xc30
[  462.695229][ T8392]  kobject_add+0x152/0x210
[  462.699674][ T8392]  ? kobject_put+0x3e4/0x430
[  462.704289][ T8392]  ? kobject_init+0x1f0/0x1f0
[  462.709090][ T8392]  ? get_device_parent+0x25d/0x410
[  462.714339][ T8392]  ? device_add+0x30f/0xc90
[  462.718881][ T8392]  device_add+0x449/0xc90
[  462.723872][ T8392]  tty_register_device_attr+0x437/0x960
[  462.729987][ T8392]  ? tty_register_device+0x30/0x30
[  462.735234][ T8392]  ? gsm_dlci_alloc+0x354/0x6e0
[  462.741091][ T8392]  gsm_activate_mux+0xe9/0x290
[  462.746067][ T8392]  gsmld_ioctl+0x1858/0x25b0
[  462.751034][ T8392]  ? tomoyo_path_number_perm+0x663/0x840
[  462.756985][ T8392]  ? gsmld_write+0x120/0x120
[  462.761757][ T8392]  ? __vt_event_wait+0x240/0x240
[  462.767009][ T8392]  ? ldsem_down_read+0xb4/0xe0
[  462.771829][ T8392]  ? gsmld_write+0x120/0x120
[  462.776823][ T8392]  tty_ioctl+0x98c/0xda0
[  462.781163][ T8392]  ? security_file_ioctl+0x81/0xa0
[  462.786541][ T8392]  ? tty_get_icount+0xb0/0xb0
[  462.791297][ T8392]  __se_sys_ioctl+0xf8/0x170
[  462.796014][ T8392]  do_syscall_64+0x41/0xc0
[  462.800543][ T8392]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  462.806741][ T8392] RIP: 0033:0x7f68b62c56e9
[  462.811253][ T8392] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  462.831261][ T8392] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  462.839661][ T8392] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  462.847722][ T8392] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  462.855859][ T8392] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  462.864435][ T8392] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  462.872486][ T8392] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  462.880474][ T8392]  </TASK>
[  462.883887][ T8392] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  463.067824][ T8395] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  463.086820][ T8395] CPU: 0 PID: 8395 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  463.096937][ T8395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  463.107017][ T8395] Call Trace:
[  463.110584][ T8395]  <TASK>
[  463.113536][ T8395]  dump_stack_lvl+0x1e7/0x2d0
[  463.118522][ T8395]  ? nf_tcp_handle_invalid+0x650/0x650
[  463.123989][ T8395]  ? panic+0x770/0x770
[  463.128060][ T8395]  sysfs_create_dir_ns+0x2ca/0x390
[  463.133164][ T8395]  ? sysfs_warn_dup+0xa0/0xa0
[  463.137833][ T8395]  kobject_add_internal+0x61d/0xc30
[  463.143203][ T8395]  kobject_add+0x152/0x210
[  463.147649][ T8395]  ? kobject_put+0x3e4/0x430
[  463.152331][ T8395]  ? kobject_init+0x1f0/0x1f0
[  463.157089][ T8395]  ? get_device_parent+0x25d/0x410
[  463.162367][ T8395]  ? device_add+0x30f/0xc90
[  463.167124][ T8395]  device_add+0x449/0xc90
[  463.171675][ T8395]  tty_register_device_attr+0x437/0x960
[  463.177231][ T8395]  ? tty_register_device+0x30/0x30
[  463.182341][ T8395]  ? gsm_dlci_alloc+0x354/0x6e0
[  463.188146][ T8395]  gsm_activate_mux+0xe9/0x290
[  463.192992][ T8395]  gsmld_ioctl+0x1858/0x25b0
[  463.197658][ T8395]  ? tomoyo_path_number_perm+0x663/0x840
[  463.203301][ T8395]  ? gsmld_write+0x120/0x120
[  463.207948][ T8395]  ? __vt_event_wait+0x240/0x240
[  463.212887][ T8395]  ? ldsem_down_read+0xb4/0xe0
[  463.217652][ T8395]  ? gsmld_write+0x120/0x120
[  463.222344][ T8395]  tty_ioctl+0x98c/0xda0
[  463.226581][ T8395]  ? security_file_ioctl+0x81/0xa0
[  463.231853][ T8395]  ? tty_get_icount+0xb0/0xb0
[  463.236521][ T8395]  __se_sys_ioctl+0xf8/0x170
[  463.241103][ T8395]  do_syscall_64+0x41/0xc0
[  463.245520][ T8395]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  463.251405][ T8395] RIP: 0033:0x7f68b62c56e9
[  463.255808][ T8395] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  463.275504][ T8395] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  463.284179][ T8395] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  463.292227][ T8395] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  463.300277][ T8395] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  463.308412][ T8395] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  463.316459][ T8395] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  463.324426][ T8395]  </TASK>
[  463.333517][ T8396] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  463.342373][ T8396] CPU: 0 PID: 8396 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  463.353401][ T8396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  463.363802][ T8396] Call Trace:
[  463.367162][ T8396]  <TASK>
[  463.370089][ T8396]  dump_stack_lvl+0x1e7/0x2d0
[  463.374767][ T8396]  ? nf_tcp_handle_invalid+0x650/0x650
[  463.380302][ T8396]  ? panic+0x770/0x770
[  463.384366][ T8396]  sysfs_create_dir_ns+0x2ca/0x390
[  463.389557][ T8396]  ? sysfs_warn_dup+0xa0/0xa0
[  463.394228][ T8396]  kobject_add_internal+0x61d/0xc30
[  463.399433][ T8396]  kobject_add+0x152/0x210
[  463.403878][ T8396]  ? kobject_put+0x3e4/0x430
[  463.408744][ T8396]  ? kobject_init+0x1f0/0x1f0
[  463.413423][ T8396]  ? get_device_parent+0x25d/0x410
[  463.418632][ T8396]  ? device_add+0x30f/0xc90
[  463.423167][ T8396]  device_add+0x449/0xc90
[  463.427622][ T8396]  tty_register_device_attr+0x437/0x960
[  463.433185][ T8396]  ? tty_register_device+0x30/0x30
[  463.438402][ T8396]  ? gsm_dlci_alloc+0x354/0x6e0
[  463.443251][ T8396]  gsm_activate_mux+0xe9/0x290
[  463.448025][ T8396]  gsmld_ioctl+0x1858/0x25b0
[  463.452694][ T8396]  ? tomoyo_path_number_perm+0x663/0x840
[  463.458657][ T8396]  ? gsmld_write+0x120/0x120
[  463.463245][ T8396]  ? __vt_event_wait+0x240/0x240
[  463.468184][ T8396]  ? ldsem_down_read+0xb4/0xe0
[  463.472940][ T8396]  ? gsmld_write+0x120/0x120
[  463.477529][ T8396]  tty_ioctl+0x98c/0xda0
[  463.481855][ T8396]  ? security_file_ioctl+0x81/0xa0
[  463.486960][ T8396]  ? tty_get_icount+0xb0/0xb0
[  463.491637][ T8396]  __se_sys_ioctl+0xf8/0x170
[  463.496405][ T8396]  do_syscall_64+0x41/0xc0
[  463.500990][ T8396]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  463.506874][ T8396] RIP: 0033:0x7f68b62c56e9
[  463.511371][ T8396] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  463.531318][ T8396] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  463.539724][ T8396] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  463.547691][ T8396] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  463.555650][ T8396] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  463.563612][ T8396] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  463.571659][ T8396] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  463.579625][ T8396]  </TASK>
[  463.590164][ T8395] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  463.597706][ T8396] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  463.811940][ T8399] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  463.825014][ T8399] CPU: 1 PID: 8399 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  463.835124][ T8399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  463.845382][ T8399] Call Trace:
[  463.848685][ T8399]  <TASK>
[  463.851643][ T8399]  dump_stack_lvl+0x1e7/0x2d0
[  463.856444][ T8399]  ? nf_tcp_handle_invalid+0x650/0x650
[  463.862020][ T8399]  ? panic+0x770/0x770
[  463.866213][ T8399]  sysfs_create_dir_ns+0x2ca/0x390
[  463.871974][ T8399]  ? sysfs_warn_dup+0xa0/0xa0
[  463.876695][ T8399]  kobject_add_internal+0x61d/0xc30
[  463.881936][ T8399]  kobject_add+0x152/0x210
[  463.886396][ T8399]  ? kobject_put+0x3e4/0x430
[  463.891289][ T8399]  ? kobject_init+0x1f0/0x1f0
[  463.896011][ T8399]  ? get_device_parent+0x25d/0x410
[  463.901246][ T8399]  ? device_add+0x30f/0xc90
[  463.905876][ T8399]  device_add+0x449/0xc90
[  463.910252][ T8399]  tty_register_device_attr+0x437/0x960
[  463.915931][ T8399]  ? tty_register_device+0x30/0x30
[  463.921082][ T8399]  ? gsm_dlci_alloc+0x354/0x6e0
[  463.925974][ T8399]  gsm_activate_mux+0xe9/0x290
[  463.930856][ T8399]  gsmld_ioctl+0x1858/0x25b0
[  463.935534][ T8399]  ? tomoyo_path_number_perm+0x663/0x840
[  463.941172][ T8399]  ? gsmld_write+0x120/0x120
[  463.945764][ T8399]  ? __vt_event_wait+0x240/0x240
[  463.950702][ T8399]  ? ldsem_down_read+0xb4/0xe0
[  463.955549][ T8399]  ? gsmld_write+0x120/0x120
[  463.960567][ T8399]  tty_ioctl+0x98c/0xda0
[  463.964802][ T8399]  ? security_file_ioctl+0x81/0xa0
[  463.969902][ T8399]  ? tty_get_icount+0xb0/0xb0
[  463.974678][ T8399]  __se_sys_ioctl+0xf8/0x170
[  463.979438][ T8399]  do_syscall_64+0x41/0xc0
[  463.984024][ T8399]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  463.989919][ T8399] RIP: 0033:0x7f68b62c56e9
[  463.994591][ T8399] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  464.014283][ T8399] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  464.022687][ T8399] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  464.030741][ T8399] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  464.038990][ T8399] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  464.047036][ T8399] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  464.055085][ T8399] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  464.063056][ T8399]  </TASK>
[  464.066544][ T8400] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  464.075349][ T8400] CPU: 1 PID: 8400 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  464.085414][ T8400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  464.095545][ T8400] Call Trace:
[  464.098819][ T8400]  <TASK>
[  464.101740][ T8400]  dump_stack_lvl+0x1e7/0x2d0
[  464.106513][ T8400]  ? nf_tcp_handle_invalid+0x650/0x650
[  464.112056][ T8400]  ? panic+0x770/0x770
[  464.116362][ T8400]  sysfs_create_dir_ns+0x2ca/0x390
[  464.121641][ T8400]  ? sysfs_warn_dup+0xa0/0xa0
[  464.126571][ T8400]  kobject_add_internal+0x61d/0xc30
[  464.131772][ T8400]  kobject_add+0x152/0x210
[  464.136274][ T8400]  ? kobject_put+0x3e4/0x430
[  464.140941][ T8400]  ? kobject_init+0x1f0/0x1f0
[  464.145614][ T8400]  ? get_device_parent+0x25d/0x410
[  464.150743][ T8400]  ? device_add+0x30f/0xc90
[  464.155262][ T8400]  device_add+0x449/0xc90
[  464.159705][ T8400]  tty_register_device_attr+0x437/0x960
[  464.165337][ T8400]  ? tty_register_device+0x30/0x30
[  464.170540][ T8400]  ? gsm_dlci_alloc+0x354/0x6e0
[  464.175387][ T8400]  gsm_activate_mux+0xe9/0x290
[  464.180423][ T8400]  gsmld_ioctl+0x1858/0x25b0
[  464.185015][ T8400]  ? tomoyo_path_number_perm+0x663/0x840
[  464.190829][ T8400]  ? gsmld_write+0x120/0x120
[  464.195500][ T8400]  ? __vt_event_wait+0x240/0x240
[  464.200701][ T8400]  ? ldsem_down_read+0xb4/0xe0
[  464.205479][ T8400]  ? gsmld_write+0x120/0x120
[  464.210064][ T8400]  tty_ioctl+0x98c/0xda0
[  464.214321][ T8400]  ? security_file_ioctl+0x81/0xa0
[  464.219602][ T8400]  ? tty_get_icount+0xb0/0xb0
[  464.224272][ T8400]  __se_sys_ioctl+0xf8/0x170
[  464.228945][ T8400]  do_syscall_64+0x41/0xc0
[  464.233360][ T8400]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  464.239245][ T8400] RIP: 0033:0x7f68b62c56e9
[  464.243653][ T8400] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  464.263515][ T8400] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  464.272208][ T8400] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  464.280448][ T8400] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  464.288586][ T8400] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  464.296913][ T8400] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  464.305221][ T8400] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  464.313216][ T8400]  </TASK>
[  464.326606][ T8399] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.333567][ T8400] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.546361][ T8403] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  464.561577][ T8403] CPU: 0 PID: 8403 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  464.572119][ T8403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  464.582325][ T8403] Call Trace:
[  464.585624][ T8403]  <TASK>
[  464.588920][ T8403]  dump_stack_lvl+0x1e7/0x2d0
[  464.593711][ T8403]  ? nf_tcp_handle_invalid+0x650/0x650
[  464.599366][ T8403]  ? panic+0x770/0x770
[  464.604770][ T8403]  sysfs_create_dir_ns+0x2ca/0x390
[  464.609936][ T8403]  ? sysfs_warn_dup+0xa0/0xa0
[  464.614640][ T8403]  kobject_add_internal+0x61d/0xc30
[  464.619980][ T8403]  kobject_add+0x152/0x210
[  464.624429][ T8403]  ? kobject_put+0x3e4/0x430
[  464.629047][ T8403]  ? kobject_init+0x1f0/0x1f0
[  464.633852][ T8403]  ? get_device_parent+0x25d/0x410
[  464.635045][ T8404] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  464.639240][ T8403]  ? device_add+0x30f/0xc90
[  464.639269][ T8403]  device_add+0x449/0xc90
[  464.639292][ T8403]  tty_register_device_attr+0x437/0x960
[  464.639325][ T8403]  ? tty_register_device+0x30/0x30
[  464.668211][ T8403]  ? gsm_dlci_alloc+0x354/0x6e0
[  464.673092][ T8403]  gsm_activate_mux+0xe9/0x290
[  464.677854][ T8403]  gsmld_ioctl+0x1858/0x25b0
[  464.682618][ T8403]  ? tomoyo_path_number_perm+0x663/0x840
[  464.688366][ T8403]  ? gsmld_write+0x120/0x120
[  464.693218][ T8403]  ? __vt_event_wait+0x240/0x240
[  464.698534][ T8403]  ? ldsem_down_read+0xb4/0xe0
[  464.703397][ T8403]  ? gsmld_write+0x120/0x120
[  464.707991][ T8403]  tty_ioctl+0x98c/0xda0
[  464.712318][ T8403]  ? security_file_ioctl+0x81/0xa0
[  464.717425][ T8403]  ? tty_get_icount+0xb0/0xb0
[  464.722091][ T8403]  __se_sys_ioctl+0xf8/0x170
[  464.726693][ T8403]  do_syscall_64+0x41/0xc0
[  464.731136][ T8403]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  464.737405][ T8403] RIP: 0033:0x7f68b62c56e9
[  464.741813][ T8403] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  464.761603][ T8403] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  464.770822][ T8403] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  464.778876][ T8403] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  464.786842][ T8403] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  464.794949][ T8403] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  464.802911][ T8403] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  464.810879][ T8403]  </TASK>
[  464.813975][ T8404] CPU: 1 PID: 8404 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  464.818594][ T8403] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.824044][ T8404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  464.824064][ T8404] Call Trace:
[  464.824073][ T8404]  <TASK>
[  464.854526][ T8404]  dump_stack_lvl+0x1e7/0x2d0
[  464.859304][ T8404]  ? nf_tcp_handle_invalid+0x650/0x650
[  464.864846][ T8404]  ? panic+0x770/0x770
[  464.868920][ T8404]  sysfs_create_dir_ns+0x2ca/0x390
[  464.874123][ T8404]  ? sysfs_warn_dup+0xa0/0xa0
[  464.878803][ T8404]  kobject_add_internal+0x61d/0xc30
[  464.884167][ T8404]  kobject_add+0x152/0x210
[  464.888747][ T8404]  ? kobject_put+0x3e4/0x430
[  464.893413][ T8404]  ? kobject_init+0x1f0/0x1f0
[  464.898083][ T8404]  ? get_device_parent+0x25d/0x410
[  464.903444][ T8404]  ? device_add+0x30f/0xc90
[  464.908031][ T8404]  device_add+0x449/0xc90
[  464.912622][ T8404]  tty_register_device_attr+0x437/0x960
[  464.918515][ T8404]  ? tty_register_device+0x30/0x30
[  464.923979][ T8404]  ? gsm_dlci_alloc+0x354/0x6e0
[  464.929076][ T8404]  gsm_activate_mux+0xe9/0x290
[  464.933931][ T8404]  gsmld_ioctl+0x1858/0x25b0
[  464.938685][ T8404]  ? tomoyo_path_number_perm+0x663/0x840
[  464.944321][ T8404]  ? gsmld_write+0x120/0x120
[  464.949161][ T8404]  ? __vt_event_wait+0x240/0x240
[  464.954098][ T8404]  ? ldsem_down_read+0xb4/0xe0
[  464.958945][ T8404]  ? gsmld_write+0x120/0x120
[  464.963527][ T8404]  tty_ioctl+0x98c/0xda0
[  464.967772][ T8404]  ? security_file_ioctl+0x81/0xa0
[  464.973364][ T8404]  ? tty_get_icount+0xb0/0xb0
[  464.978153][ T8404]  __se_sys_ioctl+0xf8/0x170
[  464.982752][ T8404]  do_syscall_64+0x41/0xc0
[  464.987780][ T8404]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  464.993985][ T8404] RIP: 0033:0x7f68b62c56e9
[  464.998825][ T8404] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  465.018692][ T8404] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  465.027374][ T8404] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  465.035613][ T8404] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  465.043846][ T8404] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  465.052684][ T8404] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  465.060752][ T8404] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  465.068729][ T8404]  </TASK>
[  465.077797][ T8404] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  465.284318][ T8407] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  465.313827][ T8407] CPU: 0 PID: 8407 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  465.324028][ T8407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  465.334100][ T8407] Call Trace:
[  465.337416][ T8407]  <TASK>
[  465.340637][ T8407]  dump_stack_lvl+0x1e7/0x2d0
[  465.345357][ T8407]  ? nf_tcp_handle_invalid+0x650/0x650
[  465.351234][ T8407]  ? panic+0x770/0x770
[  465.355434][ T8407]  sysfs_create_dir_ns+0x2ca/0x390
[  465.360579][ T8407]  ? sysfs_warn_dup+0xa0/0xa0
[  465.365378][ T8407]  kobject_add_internal+0x61d/0xc30
[  465.370616][ T8407]  kobject_add+0x152/0x210
[  465.375066][ T8407]  ? kobject_put+0x3e4/0x430
[  465.379875][ T8407]  ? kobject_init+0x1f0/0x1f0
[  465.384589][ T8407]  ? get_device_parent+0x25d/0x410
[  465.390000][ T8407]  ? device_add+0x30f/0xc90
[  465.394540][ T8407]  device_add+0x449/0xc90
[  465.398910][ T8407]  tty_register_device_attr+0x437/0x960
[  465.404496][ T8407]  ? tty_register_device+0x30/0x30
[  465.409815][ T8407]  ? gsm_dlci_alloc+0x354/0x6e0
[  465.414678][ T8407]  gsm_activate_mux+0xe9/0x290
[  465.419444][ T8407]  gsmld_ioctl+0x1858/0x25b0
[  465.424123][ T8407]  ? tomoyo_path_number_perm+0x663/0x840
[  465.429846][ T8407]  ? gsmld_write+0x120/0x120
[  465.434518][ T8407]  ? __vt_event_wait+0x240/0x240
[  465.439466][ T8407]  ? ldsem_down_read+0xb4/0xe0
[  465.444317][ T8407]  ? gsmld_write+0x120/0x120
[  465.448993][ T8407]  tty_ioctl+0x98c/0xda0
[  465.453233][ T8407]  ? security_file_ioctl+0x81/0xa0
[  465.458336][ T8407]  ? tty_get_icount+0xb0/0xb0
[  465.463002][ T8407]  __se_sys_ioctl+0xf8/0x170
[  465.467675][ T8407]  do_syscall_64+0x41/0xc0
[  465.472097][ T8407]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  465.477981][ T8407] RIP: 0033:0x7f68b62c56e9
[  465.482388][ T8407] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  465.502366][ T8407] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  465.510783][ T8407] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  465.518753][ T8407] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  465.526900][ T8407] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  465.534955][ T8407] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  465.543178][ T8407] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  465.551234][ T8407]  </TASK>
[  465.556732][ T8407] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  465.741899][ T8411] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  465.761664][ T8411] CPU: 1 PID: 8411 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  465.771876][ T8411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  465.781952][ T8411] Call Trace:
[  465.785251][ T8411]  <TASK>
[  465.788283][ T8411]  dump_stack_lvl+0x1e7/0x2d0
[  465.793079][ T8411]  ? nf_tcp_handle_invalid+0x650/0x650
[  465.798658][ T8411]  ? panic+0x770/0x770
[  465.802938][ T8411]  sysfs_create_dir_ns+0x2ca/0x390
[  465.808259][ T8411]  ? sysfs_warn_dup+0xa0/0xa0
[  465.813061][ T8411]  kobject_add_internal+0x61d/0xc30
[  465.818306][ T8411]  kobject_add+0x152/0x210
[  465.822937][ T8411]  ? kobject_put+0x3e4/0x430
[  465.828006][ T8411]  ? kobject_init+0x1f0/0x1f0
[  465.832722][ T8411]  ? get_device_parent+0x25d/0x410
[  465.838128][ T8411]  ? device_add+0x30f/0xc90
[  465.842669][ T8411]  device_add+0x449/0xc90
[  465.847295][ T8411]  tty_register_device_attr+0x437/0x960
[  465.853058][ T8411]  ? tty_register_device+0x30/0x30
[  465.858570][ T8411]  ? gsm_dlci_alloc+0x354/0x6e0
[  465.864070][ T8411]  gsm_activate_mux+0xe9/0x290
[  465.868966][ T8411]  gsmld_ioctl+0x1858/0x25b0
[  465.873678][ T8411]  ? tomoyo_path_number_perm+0x663/0x840
[  465.879478][ T8411]  ? gsmld_write+0x120/0x120
[  465.884631][ T8411]  ? __vt_event_wait+0x240/0x240
[  465.890052][ T8411]  ? ldsem_down_read+0xb4/0xe0
[  465.895032][ T8411]  ? gsmld_write+0x120/0x120
[  465.899671][ T8411]  tty_ioctl+0x98c/0xda0
[  465.903951][ T8411]  ? security_file_ioctl+0x81/0xa0
[  465.909192][ T8411]  ? tty_get_icount+0xb0/0xb0
[  465.914259][ T8411]  __se_sys_ioctl+0xf8/0x170
[  465.918877][ T8411]  do_syscall_64+0x41/0xc0
[  465.923478][ T8411]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  465.929376][ T8411] RIP: 0033:0x7f68b62c56e9
[  465.933813][ T8411] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  465.954194][ T8411] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  465.962791][ T8411] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  465.970848][ T8411] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  465.978988][ T8411] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  465.988431][ T8411] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  465.996574][ T8411] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  466.004874][ T8411]  </TASK>
[  466.008904][ T8411] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  466.177941][ T8414] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  466.189079][ T8414] CPU: 0 PID: 8414 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  466.199374][ T8414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  466.209550][ T8414] Call Trace:
[  466.212855][ T8414]  <TASK>
[  466.215884][ T8414]  dump_stack_lvl+0x1e7/0x2d0
[  466.220609][ T8414]  ? nf_tcp_handle_invalid+0x650/0x650
[  466.226195][ T8414]  ? panic+0x770/0x770
[  466.230370][ T8414]  sysfs_create_dir_ns+0x2ca/0x390
[  466.235491][ T8414]  ? sysfs_warn_dup+0xa0/0xa0
[  466.240256][ T8414]  kobject_add_internal+0x61d/0xc30
[  466.245542][ T8414]  kobject_add+0x152/0x210
[  466.250063][ T8414]  ? kobject_put+0x3e4/0x430
[  466.254649][ T8414]  ? kobject_init+0x1f0/0x1f0
[  466.259329][ T8414]  ? get_device_parent+0x25d/0x410
[  466.264433][ T8414]  ? device_add+0x30f/0xc90
[  466.268926][ T8414]  device_add+0x449/0xc90
[  466.273425][ T8414]  tty_register_device_attr+0x437/0x960
[  466.279064][ T8414]  ? tty_register_device+0x30/0x30
[  466.284173][ T8414]  ? gsm_dlci_alloc+0x354/0x6e0
[  466.289015][ T8414]  gsm_activate_mux+0xe9/0x290
[  466.293774][ T8414]  gsmld_ioctl+0x1858/0x25b0
[  466.298355][ T8414]  ? tomoyo_path_number_perm+0x663/0x840
[  466.304003][ T8414]  ? gsmld_write+0x120/0x120
[  466.308593][ T8414]  ? __vt_event_wait+0x240/0x240
[  466.313537][ T8414]  ? ldsem_down_read+0xb4/0xe0
[  466.318759][ T8414]  ? gsmld_write+0x120/0x120
[  466.323887][ T8414]  tty_ioctl+0x98c/0xda0
[  466.328242][ T8414]  ? security_file_ioctl+0x81/0xa0
[  466.333346][ T8414]  ? tty_get_icount+0xb0/0xb0
[  466.338017][ T8414]  __se_sys_ioctl+0xf8/0x170
[  466.342785][ T8414]  do_syscall_64+0x41/0xc0
[  466.347805][ T8414]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  466.353804][ T8414] RIP: 0033:0x7f68b62c56e9
[  466.358476][ T8414] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  466.378440][ T8414] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  466.387027][ T8414] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  466.395076][ T8414] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  466.403126][ T8414] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  466.411281][ T8414] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  466.419509][ T8414] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  466.427578][ T8414]  </TASK>
[  466.442769][ T8414] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  466.671861][ T8417] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  466.682547][ T8417] CPU: 0 PID: 8417 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  466.693176][ T8417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  466.703251][ T8417] Call Trace:
[  466.706650][ T8417]  <TASK>
[  466.709609][ T8417]  dump_stack_lvl+0x1e7/0x2d0
[  466.714505][ T8417]  ? nf_tcp_handle_invalid+0x650/0x650
[  466.720347][ T8417]  ? panic+0x770/0x770
[  466.724566][ T8417]  sysfs_create_dir_ns+0x2ca/0x390
[  466.730055][ T8417]  ? sysfs_warn_dup+0xa0/0xa0
[  466.735270][ T8417]  kobject_add_internal+0x61d/0xc30
[  466.742250][ T8417]  kobject_add+0x152/0x210
[  466.746884][ T8417]  ? kobject_put+0x3e4/0x430
[  466.751514][ T8417]  ? kobject_init+0x1f0/0x1f0
[  466.756344][ T8417]  ? get_device_parent+0x25d/0x410
[  466.761580][ T8417]  ? device_add+0x30f/0xc90
[  466.766209][ T8417]  device_add+0x449/0xc90
[  466.770583][ T8417]  tty_register_device_attr+0x437/0x960
[  466.776172][ T8417]  ? tty_register_device+0x30/0x30
[  466.781424][ T8417]  ? gsm_dlci_alloc+0x354/0x6e0
[  466.786487][ T8417]  gsm_activate_mux+0xe9/0x290
[  466.791294][ T8417]  gsmld_ioctl+0x1858/0x25b0
[  466.795917][ T8417]  ? tomoyo_path_number_perm+0x663/0x840
[  466.801676][ T8417]  ? gsmld_write+0x120/0x120
[  466.806300][ T8417]  ? __vt_event_wait+0x240/0x240
[  466.811552][ T8417]  ? ldsem_down_read+0xb4/0xe0
[  466.816789][ T8417]  ? gsmld_write+0x120/0x120
[  466.821418][ T8417]  tty_ioctl+0x98c/0xda0
[  466.825862][ T8417]  ? security_file_ioctl+0x81/0xa0
[  466.831012][ T8417]  ? tty_get_icount+0xb0/0xb0
[  466.835802][ T8417]  __se_sys_ioctl+0xf8/0x170
[  466.840425][ T8417]  do_syscall_64+0x41/0xc0
[  466.844865][ T8417]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  466.850781][ T8417] RIP: 0033:0x7f68b62c56e9
[  466.855308][ T8417] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  466.876323][ T8417] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  466.885372][ T8417] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  466.893431][ T8417] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  466.901513][ T8417] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  466.909474][ T8417] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  466.917806][ T8417] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  466.925974][ T8417]  </TASK>
[  466.930131][ T8417] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.096969][ T8420] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  467.116499][ T8420] CPU: 0 PID: 8420 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  467.126790][ T8420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  467.137120][ T8420] Call Trace:
[  467.140510][ T8420]  <TASK>
[  467.143454][ T8420]  dump_stack_lvl+0x1e7/0x2d0
[  467.148154][ T8420]  ? nf_tcp_handle_invalid+0x650/0x650
[  467.153655][ T8420]  ? panic+0x770/0x770
[  467.157756][ T8420]  sysfs_create_dir_ns+0x2ca/0x390
[  467.163157][ T8420]  ? sysfs_warn_dup+0xa0/0xa0
[  467.168157][ T8420]  kobject_add_internal+0x61d/0xc30
[  467.173490][ T8420]  kobject_add+0x152/0x210
[  467.178024][ T8420]  ? kobject_put+0x3e4/0x430
[  467.182829][ T8420]  ? kobject_init+0x1f0/0x1f0
[  467.187631][ T8420]  ? get_device_parent+0x25d/0x410
[  467.193050][ T8420]  ? device_add+0x30f/0xc90
[  467.197584][ T8420]  device_add+0x449/0xc90
[  467.201942][ T8420]  tty_register_device_attr+0x437/0x960
[  467.207871][ T8420]  ? tty_register_device+0x30/0x30
[  467.213102][ T8420]  ? gsm_dlci_alloc+0x354/0x6e0
[  467.217976][ T8420]  gsm_activate_mux+0xe9/0x290
[  467.222779][ T8420]  gsmld_ioctl+0x1858/0x25b0
[  467.227529][ T8420]  ? tomoyo_path_number_perm+0x663/0x840
[  467.233292][ T8420]  ? gsmld_write+0x120/0x120
[  467.237973][ T8420]  ? __vt_event_wait+0x240/0x240
[  467.243039][ T8420]  ? ldsem_down_read+0xb4/0xe0
[  467.247835][ T8420]  ? gsmld_write+0x120/0x120
[  467.252625][ T8420]  tty_ioctl+0x98c/0xda0
[  467.257002][ T8420]  ? security_file_ioctl+0x81/0xa0
[  467.262136][ T8420]  ? tty_get_icount+0xb0/0xb0
[  467.266826][ T8420]  __se_sys_ioctl+0xf8/0x170
[  467.271590][ T8420]  do_syscall_64+0x41/0xc0
[  467.276090][ T8420]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  467.282243][ T8420] RIP: 0033:0x7f68b62c56e9
[  467.286828][ T8420] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  467.306794][ T8420] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  467.315379][ T8420] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  467.323442][ T8420] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  467.331512][ T8420] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  467.339631][ T8420] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  467.347629][ T8420] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  467.355609][ T8420]  </TASK>
[  467.358968][ T8420] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.531494][ T8423] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  467.541269][ T8423] CPU: 0 PID: 8423 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  467.551379][ T8423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  467.561563][ T8423] Call Trace:
[  467.564865][ T8423]  <TASK>
[  467.567908][ T8423]  dump_stack_lvl+0x1e7/0x2d0
[  467.572705][ T8423]  ? nf_tcp_handle_invalid+0x650/0x650
[  467.578453][ T8423]  ? panic+0x770/0x770
[  467.582643][ T8423]  sysfs_create_dir_ns+0x2ca/0x390
[  467.588045][ T8423]  ? sysfs_warn_dup+0xa0/0xa0
[  467.592874][ T8423]  kobject_add_internal+0x61d/0xc30
[  467.598194][ T8423]  kobject_add+0x152/0x210
[  467.602818][ T8423]  ? kobject_put+0x3e4/0x430
[  467.607537][ T8423]  ? kobject_init+0x1f0/0x1f0
[  467.612425][ T8423]  ? get_device_parent+0x25d/0x410
[  467.617652][ T8423]  ? device_add+0x30f/0xc90
[  467.622184][ T8423]  device_add+0x449/0xc90
[  467.626552][ T8423]  tty_register_device_attr+0x437/0x960
[  467.632227][ T8423]  ? tty_register_device+0x30/0x30
[  467.637754][ T8423]  ? gsm_dlci_alloc+0x354/0x6e0
[  467.642813][ T8423]  gsm_activate_mux+0xe9/0x290
[  467.648072][ T8423]  gsmld_ioctl+0x1858/0x25b0
[  467.652919][ T8423]  ? tomoyo_path_number_perm+0x663/0x840
[  467.658601][ T8423]  ? gsmld_write+0x120/0x120
[  467.663224][ T8423]  ? __vt_event_wait+0x240/0x240
[  467.668377][ T8423]  ? ldsem_down_read+0xb4/0xe0
[  467.673193][ T8423]  ? gsmld_write+0x120/0x120
[  467.677986][ T8423]  tty_ioctl+0x98c/0xda0
[  467.682256][ T8423]  ? security_file_ioctl+0x81/0xa0
[  467.687401][ T8423]  ? tty_get_icount+0xb0/0xb0
[  467.693497][ T8423]  __se_sys_ioctl+0xf8/0x170
[  467.698118][ T8423]  do_syscall_64+0x41/0xc0
[  467.702560][ T8423]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  467.708573][ T8423] RIP: 0033:0x7f68b62c56e9
[  467.713009][ T8423] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  467.732662][ T8423] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  467.741103][ T8423] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  467.749167][ T8423] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  467.757128][ T8423] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  467.765268][ T8423] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  467.773243][ T8423] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  467.781224][ T8423]  </TASK>
[  467.787281][ T8423] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.951555][ T8426] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  467.960801][ T8426] CPU: 0 PID: 8426 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  467.970911][ T8426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  467.981079][ T8426] Call Trace:
[  467.984555][ T8426]  <TASK>
[  467.989577][ T8426]  dump_stack_lvl+0x1e7/0x2d0
[  467.994469][ T8426]  ? nf_tcp_handle_invalid+0x650/0x650
[  468.000224][ T8426]  ? panic+0x770/0x770
[  468.004324][ T8426]  sysfs_create_dir_ns+0x2ca/0x390
[  468.009552][ T8426]  ? sysfs_warn_dup+0xa0/0xa0
[  468.014426][ T8426]  kobject_add_internal+0x61d/0xc30
[  468.019645][ T8426]  kobject_add+0x152/0x210
[  468.024095][ T8426]  ? kobject_put+0x3e4/0x430
[  468.028783][ T8426]  ? kobject_init+0x1f0/0x1f0
[  468.033556][ T8426]  ? get_device_parent+0x25d/0x410
[  468.038840][ T8426]  ? device_add+0x30f/0xc90
[  468.043429][ T8426]  device_add+0x449/0xc90
[  468.047755][ T8426]  tty_register_device_attr+0x437/0x960
[  468.053310][ T8426]  ? tty_register_device+0x30/0x30
[  468.058438][ T8426]  ? gsm_dlci_alloc+0x354/0x6e0
[  468.063478][ T8426]  gsm_activate_mux+0xe9/0x290
[  468.068270][ T8426]  gsmld_ioctl+0x1858/0x25b0
[  468.072863][ T8426]  ? tomoyo_path_number_perm+0x663/0x840
[  468.078507][ T8426]  ? gsmld_write+0x120/0x120
[  468.083096][ T8426]  ? __vt_event_wait+0x240/0x240
[  468.088033][ T8426]  ? ldsem_down_read+0xb4/0xe0
[  468.092790][ T8426]  ? gsmld_write+0x120/0x120
[  468.097385][ T8426]  tty_ioctl+0x98c/0xda0
[  468.101719][ T8426]  ? security_file_ioctl+0x81/0xa0
[  468.106995][ T8426]  ? tty_get_icount+0xb0/0xb0
[  468.111865][ T8426]  __se_sys_ioctl+0xf8/0x170
[  468.116452][ T8426]  do_syscall_64+0x41/0xc0
[  468.120870][ T8426]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  468.126767][ T8426] RIP: 0033:0x7f68b62c56e9
[  468.131178][ T8426] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  468.150948][ T8426] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  468.159354][ T8426] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  468.167317][ T8426] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  468.175372][ T8426] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  468.183340][ T8426] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  468.191394][ T8426] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  468.199371][ T8426]  </TASK>
[  468.205911][ T8427] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  468.214627][ T8427] CPU: 0 PID: 8427 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  468.224796][ T8427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  468.234856][ T8427] Call Trace:
[  468.238128][ T8427]  <TASK>
[  468.241045][ T8427]  dump_stack_lvl+0x1e7/0x2d0
[  468.245719][ T8427]  ? nf_tcp_handle_invalid+0x650/0x650
[  468.251175][ T8427]  ? panic+0x770/0x770
[  468.255500][ T8427]  sysfs_create_dir_ns+0x2ca/0x390
[  468.260869][ T8427]  ? sysfs_warn_dup+0xa0/0xa0
[  468.265625][ T8427]  kobject_add_internal+0x61d/0xc30
[  468.270914][ T8427]  kobject_add+0x152/0x210
[  468.275868][ T8427]  ? kobject_put+0x3e4/0x430
[  468.280537][ T8427]  ? kobject_init+0x1f0/0x1f0
[  468.285648][ T8427]  ? get_device_parent+0x25d/0x410
[  468.291277][ T8427]  ? device_add+0x30f/0xc90
[  468.295775][ T8427]  device_add+0x449/0xc90
[  468.300095][ T8427]  tty_register_device_attr+0x437/0x960
[  468.305634][ T8427]  ? tty_register_device+0x30/0x30
[  468.310828][ T8427]  ? gsm_dlci_alloc+0x354/0x6e0
[  468.315700][ T8427]  gsm_activate_mux+0xe9/0x290
[  468.320457][ T8427]  gsmld_ioctl+0x1858/0x25b0
[  468.325040][ T8427]  ? tomoyo_path_number_perm+0x663/0x840
[  468.330673][ T8427]  ? gsmld_write+0x120/0x120
[  468.335257][ T8427]  ? __vt_event_wait+0x240/0x240
[  468.340193][ T8427]  ? ldsem_down_read+0xb4/0xe0
[  468.344973][ T8427]  ? gsmld_write+0x120/0x120
[  468.349569][ T8427]  tty_ioctl+0x98c/0xda0
[  468.353806][ T8427]  ? security_file_ioctl+0x81/0xa0
[  468.358911][ T8427]  ? tty_get_icount+0xb0/0xb0
[  468.363667][ T8427]  __se_sys_ioctl+0xf8/0x170
[  468.368345][ T8427]  do_syscall_64+0x41/0xc0
[  468.372769][ T8427]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  468.378655][ T8427] RIP: 0033:0x7f68b62c56e9
[  468.383060][ T8427] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  468.402760][ T8427] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  468.411382][ T8427] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  468.419369][ T8427] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  468.427358][ T8427] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  468.435766][ T8427] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  468.443906][ T8427] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  468.451902][ T8427]  </TASK>
[  468.455646][ T8426] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  468.490013][ T8427] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  468.687251][ T8430] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  468.696511][ T8430] CPU: 0 PID: 8430 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  468.706788][ T8430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  468.716955][ T8430] Call Trace:
[  468.720245][ T8430]  <TASK>
[  468.723168][ T8430]  dump_stack_lvl+0x1e7/0x2d0
[  468.727939][ T8430]  ? nf_tcp_handle_invalid+0x650/0x650
[  468.733479][ T8430]  ? panic+0x770/0x770
[  468.737635][ T8430]  sysfs_create_dir_ns+0x2ca/0x390
[  468.743025][ T8430]  ? sysfs_warn_dup+0xa0/0xa0
[  468.747782][ T8430]  kobject_add_internal+0x61d/0xc30
[  468.752976][ T8430]  kobject_add+0x152/0x210
[  468.757647][ T8430]  ? kobject_put+0x3e4/0x430
[  468.762555][ T8430]  ? kobject_init+0x1f0/0x1f0
[  468.767458][ T8430]  ? get_device_parent+0x25d/0x410
[  468.772593][ T8430]  ? device_add+0x30f/0xc90
[  468.777103][ T8430]  device_add+0x449/0xc90
[  468.781443][ T8430]  tty_register_device_attr+0x437/0x960
[  468.787370][ T8430]  ? tty_register_device+0x30/0x30
[  468.792481][ T8430]  ? gsm_dlci_alloc+0x354/0x6e0
[  468.797327][ T8430]  gsm_activate_mux+0xe9/0x290
[  468.802086][ T8430]  gsmld_ioctl+0x1858/0x25b0
[  468.806668][ T8430]  ? tomoyo_path_number_perm+0x663/0x840
[  468.812510][ T8430]  ? gsmld_write+0x120/0x120
[  468.817119][ T8430]  ? __vt_event_wait+0x240/0x240
[  468.822160][ T8430]  ? ldsem_down_read+0xb4/0xe0
[  468.826924][ T8430]  ? gsmld_write+0x120/0x120
[  468.831596][ T8430]  tty_ioctl+0x98c/0xda0
[  468.835850][ T8430]  ? security_file_ioctl+0x81/0xa0
[  468.840957][ T8430]  ? tty_get_icount+0xb0/0xb0
[  468.845660][ T8430]  __se_sys_ioctl+0xf8/0x170
[  468.850245][ T8430]  do_syscall_64+0x41/0xc0
[  468.854744][ T8430]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  468.860720][ T8430] RIP: 0033:0x7f68b62c56e9
[  468.865133][ T8430] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  468.885033][ T8430] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  468.893547][ T8430] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  468.901632][ T8430] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  468.909645][ T8430] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  468.917733][ T8430] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  468.925909][ T8430] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  468.934069][ T8430]  </TASK>
[  468.946916][ T8431] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  468.956102][ T8430] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  468.959164][ T8431] CPU: 0 PID: 8431 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  468.980242][ T8431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  468.990318][ T8431] Call Trace:
[  468.993793][ T8431]  <TASK>
[  468.996742][ T8431]  dump_stack_lvl+0x1e7/0x2d0
[  469.001538][ T8431]  ? nf_tcp_handle_invalid+0x650/0x650
[  469.007093][ T8431]  ? panic+0x770/0x770
[  469.011471][ T8431]  sysfs_create_dir_ns+0x2ca/0x390
[  469.016810][ T8431]  ? sysfs_warn_dup+0xa0/0xa0
[  469.021580][ T8431]  kobject_add_internal+0x61d/0xc30
[  469.026826][ T8431]  kobject_add+0x152/0x210
[  469.031366][ T8431]  ? kobject_put+0x3e4/0x430
[  469.036703][ T8431]  ? kobject_init+0x1f0/0x1f0
[  469.041590][ T8431]  ? get_device_parent+0x25d/0x410
[  469.047009][ T8431]  ? device_add+0x30f/0xc90
[  469.051633][ T8431]  device_add+0x449/0xc90
[  469.056193][ T8431]  tty_register_device_attr+0x437/0x960
[  469.061942][ T8431]  ? tty_register_device+0x30/0x30
[  469.067440][ T8431]  ? gsm_dlci_alloc+0x354/0x6e0
[  469.072750][ T8431]  gsm_activate_mux+0xe9/0x290
[  469.077577][ T8431]  gsmld_ioctl+0x1858/0x25b0
[  469.082225][ T8431]  ? tomoyo_path_number_perm+0x663/0x840
[  469.088144][ T8431]  ? gsmld_write+0x120/0x120
[  469.092743][ T8431]  ? __vt_event_wait+0x240/0x240
[  469.097860][ T8431]  ? ldsem_down_read+0xb4/0xe0
[  469.102625][ T8431]  ? gsmld_write+0x120/0x120
[  469.107338][ T8431]  tty_ioctl+0x98c/0xda0
[  469.111575][ T8431]  ? security_file_ioctl+0x81/0xa0
[  469.117234][ T8431]  ? tty_get_icount+0xb0/0xb0
[  469.122105][ T8431]  __se_sys_ioctl+0xf8/0x170
[  469.126798][ T8431]  do_syscall_64+0x41/0xc0
[  469.131737][ T8431]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  469.137715][ T8431] RIP: 0033:0x7f68b62c56e9
[  469.142293][ T8431] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  469.162176][ T8431] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  469.170854][ T8431] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  469.179956][ T8431] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  469.189124][ T8431] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  469.197665][ T8431] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  469.206113][ T8431] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  469.214646][ T8431]  </TASK>
[  469.221992][ T8431] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.421261][ T8434] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  469.433357][ T8434] CPU: 0 PID: 8434 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  469.449431][ T8434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  469.459779][ T8434] Call Trace:
[  469.463075][ T8434]  <TASK>
[  469.466015][ T8434]  dump_stack_lvl+0x1e7/0x2d0
[  469.470732][ T8434]  ? nf_tcp_handle_invalid+0x650/0x650
[  469.477109][ T8434]  ? panic+0x770/0x770
[  469.481753][ T8434]  sysfs_create_dir_ns+0x2ca/0x390
[  469.486970][ T8434]  ? sysfs_warn_dup+0xa0/0xa0
[  469.491847][ T8434]  kobject_add_internal+0x61d/0xc30
[  469.497251][ T8434]  kobject_add+0x152/0x210
[  469.501720][ T8434]  ? kobject_put+0x3e4/0x430
[  469.506459][ T8434]  ? kobject_init+0x1f0/0x1f0
[  469.511177][ T8434]  ? get_device_parent+0x25d/0x410
[  469.516648][ T8434]  ? device_add+0x30f/0xc90
[  469.522131][ T8434]  device_add+0x449/0xc90
[  469.526960][ T8434]  tty_register_device_attr+0x437/0x960
[  469.532880][ T8434]  ? tty_register_device+0x30/0x30
[  469.538079][ T8434]  ? gsm_dlci_alloc+0x354/0x6e0
[  469.542941][ T8434]  gsm_activate_mux+0xe9/0x290
[  469.547876][ T8434]  gsmld_ioctl+0x1858/0x25b0
[  469.552471][ T8434]  ? tomoyo_path_number_perm+0x663/0x840
[  469.558286][ T8434]  ? gsmld_write+0x120/0x120
[  469.563071][ T8434]  ? __vt_event_wait+0x240/0x240
[  469.568586][ T8434]  ? ldsem_down_read+0xb4/0xe0
[  469.573489][ T8434]  ? gsmld_write+0x120/0x120
[  469.578285][ T8434]  tty_ioctl+0x98c/0xda0
[  469.582638][ T8434]  ? security_file_ioctl+0x81/0xa0
[  469.588297][ T8434]  ? tty_get_icount+0xb0/0xb0
[  469.593183][ T8434]  __se_sys_ioctl+0xf8/0x170
[  469.597996][ T8434]  do_syscall_64+0x41/0xc0
[  469.602640][ T8434]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  469.609795][ T8434] RIP: 0033:0x7f68b62c56e9
[  469.614308][ T8434] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  469.635415][ T8434] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  469.644052][ T8434] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  469.652395][ T8434] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  469.660660][ T8434] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  469.670661][ T8434] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  469.679998][ T8434] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  469.689405][ T8434]  </TASK>
[  469.704581][ T8434] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.727147][ T8435] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  469.742672][ T8435] CPU: 1 PID: 8435 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  469.753236][ T8435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  469.765940][ T8435] Call Trace:
[  469.770710][ T8435]  <TASK>
[  469.773916][ T8435]  dump_stack_lvl+0x1e7/0x2d0
[  469.778729][ T8435]  ? nf_tcp_handle_invalid+0x650/0x650
[  469.784573][ T8435]  ? panic+0x770/0x770
[  469.789547][ T8435]  sysfs_create_dir_ns+0x2ca/0x390
[  469.794871][ T8435]  ? sysfs_warn_dup+0xa0/0xa0
[  469.799736][ T8435]  kobject_add_internal+0x61d/0xc30
[  469.805214][ T8435]  kobject_add+0x152/0x210
[  469.810633][ T8435]  ? kobject_put+0x3e4/0x430
[  469.817103][ T8435]  ? kobject_init+0x1f0/0x1f0
[  469.821992][ T8435]  ? get_device_parent+0x25d/0x410
[  469.827846][ T8435]  ? device_add+0x30f/0xc90
[  469.833154][ T8435]  device_add+0x449/0xc90
[  469.838113][ T8435]  tty_register_device_attr+0x437/0x960
[  469.844238][ T8435]  ? tty_register_device+0x30/0x30
[  469.850465][ T8435]  ? gsm_dlci_alloc+0x354/0x6e0
[  469.855612][ T8435]  gsm_activate_mux+0xe9/0x290
[  469.860503][ T8435]  gsmld_ioctl+0x1858/0x25b0
[  469.865198][ T8435]  ? tomoyo_path_number_perm+0x663/0x840
[  469.871639][ T8435]  ? gsmld_write+0x120/0x120
[  469.876280][ T8435]  ? __vt_event_wait+0x240/0x240
[  469.881876][ T8435]  ? ldsem_down_read+0xb4/0xe0
[  469.887234][ T8435]  ? gsmld_write+0x120/0x120
[  469.892015][ T8435]  tty_ioctl+0x98c/0xda0
[  469.896891][ T8435]  ? security_file_ioctl+0x81/0xa0
[  469.902363][ T8435]  ? tty_get_icount+0xb0/0xb0
[  469.907140][ T8435]  __se_sys_ioctl+0xf8/0x170
[  469.912269][ T8435]  do_syscall_64+0x41/0xc0
[  469.916908][ T8435]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  469.923595][ T8435] RIP: 0033:0x7f68b62c56e9
[  469.928289][ T8435] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  469.948859][ T8435] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  469.957281][ T8435] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  469.965275][ T8435] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  469.976482][ T8435] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  469.985759][ T8435] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  469.995273][ T8435] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  470.003540][ T8435]  </TASK>
[  470.007324][ T8435] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  470.187638][ T8438] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  470.198407][ T8438] CPU: 0 PID: 8438 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  470.208966][ T8438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  470.219214][ T8438] Call Trace:
[  470.222521][ T8438]  <TASK>
[  470.225474][ T8438]  dump_stack_lvl+0x1e7/0x2d0
[  470.230972][ T8438]  ? nf_tcp_handle_invalid+0x650/0x650
[  470.236990][ T8438]  ? panic+0x770/0x770
[  470.241120][ T8438]  sysfs_create_dir_ns+0x2ca/0x390
[  470.246569][ T8438]  ? sysfs_warn_dup+0xa0/0xa0
[  470.251282][ T8438]  kobject_add_internal+0x61d/0xc30
[  470.256591][ T8438]  kobject_add+0x152/0x210
[  470.261036][ T8438]  ? kobject_put+0x3e4/0x430
[  470.265669][ T8438]  ? kobject_init+0x1f0/0x1f0
[  470.270465][ T8438]  ? get_device_parent+0x25d/0x410
[  470.275597][ T8438]  ? device_add+0x30f/0xc90
[  470.280129][ T8438]  device_add+0x449/0xc90
[  470.284593][ T8438]  tty_register_device_attr+0x437/0x960
[  470.290241][ T8438]  ? tty_register_device+0x30/0x30
[  470.295378][ T8438]  ? gsm_dlci_alloc+0x354/0x6e0
[  470.300875][ T8438]  gsm_activate_mux+0xe9/0x290
[  470.305754][ T8438]  gsmld_ioctl+0x1858/0x25b0
[  470.310687][ T8438]  ? tomoyo_path_number_perm+0x663/0x840
[  470.316439][ T8438]  ? gsmld_write+0x120/0x120
[  470.321039][ T8438]  ? __vt_event_wait+0x240/0x240
[  470.326183][ T8438]  ? ldsem_down_read+0xb4/0xe0
[  470.330965][ T8438]  ? gsmld_write+0x120/0x120
[  470.335751][ T8438]  tty_ioctl+0x98c/0xda0
[  470.340102][ T8438]  ? security_file_ioctl+0x81/0xa0
[  470.345234][ T8438]  ? tty_get_icount+0xb0/0xb0
[  470.350198][ T8438]  __se_sys_ioctl+0xf8/0x170
[  470.355555][ T8438]  do_syscall_64+0x41/0xc0
[  470.360191][ T8438]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  470.366292][ T8438] RIP: 0033:0x7f68b62c56e9
[  470.370796][ T8438] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  470.392849][ T8438] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  470.402849][ T8438] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  470.411937][ T8438] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  470.420532][ T8438] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  470.429329][ T8438] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  470.438737][ T8438] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  470.448406][ T8438]  </TASK>
[  470.453113][ T8438] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  470.476521][ T8439] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  470.491220][ T8439] CPU: 1 PID: 8439 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  470.505288][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  470.518590][ T8439] Call Trace:
[  470.524492][ T8439]  <TASK>
[  470.528699][ T8439]  dump_stack_lvl+0x1e7/0x2d0
[  470.533626][ T8439]  ? nf_tcp_handle_invalid+0x650/0x650
[  470.539324][ T8439]  ? panic+0x770/0x770
[  470.544738][ T8439]  sysfs_create_dir_ns+0x2ca/0x390
[  470.550414][ T8439]  ? sysfs_warn_dup+0xa0/0xa0
[  470.555476][ T8439]  kobject_add_internal+0x61d/0xc30
[  470.561280][ T8439]  kobject_add+0x152/0x210
[  470.565906][ T8439]  ? kobject_put+0x3e4/0x430
[  470.571102][ T8439]  ? kobject_init+0x1f0/0x1f0
[  470.576092][ T8439]  ? get_device_parent+0x25d/0x410
[  470.581843][ T8439]  ? device_add+0x30f/0xc90
[  470.587949][ T8439]  device_add+0x449/0xc90
[  470.593185][ T8439]  tty_register_device_attr+0x437/0x960
[  470.600090][ T8439]  ? tty_register_device+0x30/0x30
[  470.606134][ T8439]  ? gsm_dlci_alloc+0x354/0x6e0
[  470.611368][ T8439]  gsm_activate_mux+0xe9/0x290
[  470.616342][ T8439]  gsmld_ioctl+0x1858/0x25b0
[  470.621757][ T8439]  ? tomoyo_path_number_perm+0x663/0x840
[  470.627785][ T8439]  ? gsmld_write+0x120/0x120
[  470.632777][ T8439]  ? __vt_event_wait+0x240/0x240
[  470.638634][ T8439]  ? ldsem_down_read+0xb4/0xe0
[  470.644305][ T8439]  ? gsmld_write+0x120/0x120
[  470.649793][ T8439]  tty_ioctl+0x98c/0xda0
[  470.654218][ T8439]  ? security_file_ioctl+0x81/0xa0
[  470.659716][ T8439]  ? tty_get_icount+0xb0/0xb0
[  470.664426][ T8439]  __se_sys_ioctl+0xf8/0x170
[  470.669193][ T8439]  do_syscall_64+0x41/0xc0
[  470.673789][ T8439]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  470.680503][ T8439] RIP: 0033:0x7f68b62c56e9
[  470.685450][ T8439] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  470.706282][ T8439] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  470.715957][ T8439] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  470.724778][ T8439] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  470.734908][ T8439] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  470.743594][ T8439] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  470.752542][ T8439] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  470.762442][ T8439]  </TASK>
[  470.768300][ T8439] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  470.951635][ T8442] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  470.979789][ T8442] CPU: 1 PID: 8442 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  470.990855][ T8442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  471.002151][ T8442] Call Trace:
[  471.005803][ T8442]  <TASK>
[  471.008775][ T8442]  dump_stack_lvl+0x1e7/0x2d0
[  471.014177][ T8442]  ? nf_tcp_handle_invalid+0x650/0x650
[  471.019841][ T8442]  ? panic+0x770/0x770
[  471.024492][ T8442]  sysfs_create_dir_ns+0x2ca/0x390
[  471.030630][ T8442]  ? sysfs_warn_dup+0xa0/0xa0
[  471.035778][ T8442]  kobject_add_internal+0x61d/0xc30
[  471.041542][ T8442]  kobject_add+0x152/0x210
[  471.046085][ T8442]  ? kobject_put+0x3e4/0x430
[  471.050878][ T8442]  ? kobject_init+0x1f0/0x1f0
[  471.056209][ T8442]  ? get_device_parent+0x25d/0x410
[  471.061427][ T8442]  ? device_add+0x30f/0xc90
[  471.066151][ T8442]  device_add+0x449/0xc90
[  471.070935][ T8442]  tty_register_device_attr+0x437/0x960
[  471.077384][ T8442]  ? tty_register_device+0x30/0x30
[  471.082684][ T8442]  ? gsm_dlci_alloc+0x354/0x6e0
[  471.087791][ T8442]  gsm_activate_mux+0xe9/0x290
[  471.092816][ T8442]  gsmld_ioctl+0x1858/0x25b0
[  471.097509][ T8442]  ? tomoyo_path_number_perm+0x663/0x840
[  471.103372][ T8442]  ? gsmld_write+0x120/0x120
[  471.108349][ T8442]  ? __vt_event_wait+0x240/0x240
[  471.113792][ T8442]  ? ldsem_down_read+0xb4/0xe0
[  471.122752][ T8442]  ? gsmld_write+0x120/0x120
[  471.127461][ T8442]  tty_ioctl+0x98c/0xda0
[  471.131952][ T8442]  ? security_file_ioctl+0x81/0xa0
[  471.137397][ T8442]  ? tty_get_icount+0xb0/0xb0
[  471.142100][ T8442]  __se_sys_ioctl+0xf8/0x170
[  471.146800][ T8442]  do_syscall_64+0x41/0xc0
[  471.151233][ T8442]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  471.157781][ T8442] RIP: 0033:0x7f68b62c56e9
[  471.162362][ T8442] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  471.182853][ T8442] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  471.191490][ T8442] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  471.200094][ T8442] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  471.209144][ T8442] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  471.218082][ T8442] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  471.226605][ T8442] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  471.235216][ T8442]  </TASK>
[  471.251703][ T8442] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  471.455867][ T8445] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  471.471492][ T8445] CPU: 0 PID: 8445 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  471.483678][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  471.494757][ T8445] Call Trace:
[  471.498160][ T8445]  <TASK>
[  471.501204][ T8445]  dump_stack_lvl+0x1e7/0x2d0
[  471.505924][ T8445]  ? nf_tcp_handle_invalid+0x650/0x650
[  471.511468][ T8445]  ? panic+0x770/0x770
[  471.515736][ T8445]  sysfs_create_dir_ns+0x2ca/0x390
[  471.520989][ T8445]  ? sysfs_warn_dup+0xa0/0xa0
[  471.525954][ T8445]  kobject_add_internal+0x61d/0xc30
[  471.531200][ T8445]  kobject_add+0x152/0x210
[  471.536099][ T8445]  ? kobject_put+0x3e4/0x430
[  471.540729][ T8445]  ? kobject_init+0x1f0/0x1f0
[  471.545630][ T8445]  ? get_device_parent+0x25d/0x410
[  471.550954][ T8445]  ? device_add+0x30f/0xc90
[  471.555494][ T8445]  device_add+0x449/0xc90
[  471.559858][ T8445]  tty_register_device_attr+0x437/0x960
[  471.565707][ T8445]  ? tty_register_device+0x30/0x30
[  471.571050][ T8445]  ? gsm_dlci_alloc+0x354/0x6e0
[  471.576207][ T8445]  gsm_activate_mux+0xe9/0x290
[  471.581709][ T8445]  gsmld_ioctl+0x1858/0x25b0
[  471.586342][ T8445]  ? tomoyo_path_number_perm+0x663/0x840
[  471.592178][ T8445]  ? gsmld_write+0x120/0x120
[  471.597163][ T8445]  ? __vt_event_wait+0x240/0x240
[  471.602414][ T8445]  ? ldsem_down_read+0xb4/0xe0
[  471.607349][ T8445]  ? gsmld_write+0x120/0x120
[  471.612014][ T8445]  tty_ioctl+0x98c/0xda0
[  471.616554][ T8445]  ? security_file_ioctl+0x81/0xa0
[  471.621882][ T8445]  ? tty_get_icount+0xb0/0xb0
[  471.627319][ T8445]  __se_sys_ioctl+0xf8/0x170
[  471.632022][ T8445]  do_syscall_64+0x41/0xc0
[  471.636699][ T8445]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  471.642613][ T8445] RIP: 0033:0x7f68b62c56e9
[  471.647139][ T8445] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  471.667620][ T8445] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  471.676065][ T8445] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  471.684356][ T8445] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  471.692336][ T8445] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  471.700300][ T8445] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  471.708343][ T8445] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  471.716314][ T8445]  </TASK>
[  471.722048][ T8445] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  471.903421][ T8448] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  471.931831][ T8448] CPU: 1 PID: 8448 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  471.942053][ T8448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  471.952320][ T8448] Call Trace:
[  471.955631][ T8448]  <TASK>
[  471.958847][ T8448]  dump_stack_lvl+0x1e7/0x2d0
[  471.963739][ T8448]  ? nf_tcp_handle_invalid+0x650/0x650
[  471.969685][ T8448]  ? panic+0x770/0x770
[  471.973809][ T8448]  sysfs_create_dir_ns+0x2ca/0x390
[  471.979070][ T8448]  ? sysfs_warn_dup+0xa0/0xa0
[  471.983916][ T8448]  kobject_add_internal+0x61d/0xc30
[  471.989163][ T8448]  kobject_add+0x152/0x210
[  471.993602][ T8448]  ? kobject_put+0x3e4/0x430
[  471.998189][ T8448]  ? kobject_init+0x1f0/0x1f0
[  472.002862][ T8448]  ? get_device_parent+0x25d/0x410
[  472.008059][ T8448]  ? device_add+0x30f/0xc90
[  472.012737][ T8448]  device_add+0x449/0xc90
[  472.017147][ T8448]  tty_register_device_attr+0x437/0x960
[  472.022779][ T8448]  ? tty_register_device+0x30/0x30
[  472.028144][ T8448]  ? gsm_dlci_alloc+0x354/0x6e0
[  472.033170][ T8448]  gsm_activate_mux+0xe9/0x290
[  472.038018][ T8448]  gsmld_ioctl+0x1858/0x25b0
[  472.042877][ T8448]  ? tomoyo_path_number_perm+0x663/0x840
[  472.048520][ T8448]  ? gsmld_write+0x120/0x120
[  472.053112][ T8448]  ? __vt_event_wait+0x240/0x240
[  472.058133][ T8448]  ? ldsem_down_read+0xb4/0xe0
[  472.062895][ T8448]  ? gsmld_write+0x120/0x120
[  472.067484][ T8448]  tty_ioctl+0x98c/0xda0
[  472.071719][ T8448]  ? security_file_ioctl+0x81/0xa0
[  472.076992][ T8448]  ? tty_get_icount+0xb0/0xb0
[  472.081710][ T8448]  __se_sys_ioctl+0xf8/0x170
[  472.086306][ T8448]  do_syscall_64+0x41/0xc0
[  472.090715][ T8448]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  472.096622][ T8448] RIP: 0033:0x7f68b62c56e9
[  472.101255][ T8448] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  472.120857][ T8448] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  472.129441][ T8448] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  472.137752][ T8448] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  472.145948][ T8448] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  472.154259][ T8448] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  472.162656][ T8448] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  472.170808][ T8448]  </TASK>
[  472.181756][ T8448] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  472.379869][ T8451] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  472.394024][ T8451] CPU: 0 PID: 8451 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  472.404167][ T8451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  472.414245][ T8451] Call Trace:
[  472.417553][ T8451]  <TASK>
[  472.420505][ T8451]  dump_stack_lvl+0x1e7/0x2d0
[  472.425208][ T8451]  ? nf_tcp_handle_invalid+0x650/0x650
[  472.430865][ T8451]  ? panic+0x770/0x770
[  472.434955][ T8451]  sysfs_create_dir_ns+0x2ca/0x390
[  472.440078][ T8451]  ? sysfs_warn_dup+0xa0/0xa0
[  472.445224][ T8451]  kobject_add_internal+0x61d/0xc30
[  472.450547][ T8451]  kobject_add+0x152/0x210
[  472.455060][ T8451]  ? kobject_put+0x3e4/0x430
[  472.459680][ T8451]  ? kobject_init+0x1f0/0x1f0
[  472.464478][ T8451]  ? get_device_parent+0x25d/0x410
[  472.469698][ T8451]  ? device_add+0x30f/0xc90
[  472.474231][ T8451]  device_add+0x449/0xc90
[  472.478568][ T8451]  tty_register_device_attr+0x437/0x960
[  472.484119][ T8451]  ? tty_register_device+0x30/0x30
[  472.489298][ T8451]  ? gsm_dlci_alloc+0x354/0x6e0
[  472.494237][ T8451]  gsm_activate_mux+0xe9/0x290
[  472.499005][ T8451]  gsmld_ioctl+0x1858/0x25b0
[  472.503761][ T8451]  ? tomoyo_path_number_perm+0x663/0x840
[  472.509836][ T8451]  ? gsmld_write+0x120/0x120
[  472.514424][ T8451]  ? __vt_event_wait+0x240/0x240
[  472.519365][ T8451]  ? ldsem_down_read+0xb4/0xe0
[  472.524219][ T8451]  ? gsmld_write+0x120/0x120
[  472.529069][ T8451]  tty_ioctl+0x98c/0xda0
[  472.533469][ T8451]  ? security_file_ioctl+0x81/0xa0
[  472.538588][ T8451]  ? tty_get_icount+0xb0/0xb0
[  472.543518][ T8451]  __se_sys_ioctl+0xf8/0x170
[  472.548103][ T8451]  do_syscall_64+0x41/0xc0
[  472.552545][ T8451]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  472.558539][ T8451] RIP: 0033:0x7f68b62c56e9
[  472.562960][ T8451] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  472.582748][ T8451] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  472.591594][ T8451] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  472.599560][ T8451] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  472.607692][ T8451] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  472.615652][ T8451] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  472.623636][ T8451] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  472.631623][ T8451]  </TASK>
[  472.637940][ T8451] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  472.660758][ T8451] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  472.672308][ T8451] CPU: 1 PID: 8451 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  472.682414][ T8451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  472.692753][ T8451] Call Trace:
[  472.696055][ T8451]  <TASK>
[  472.699089][ T8451]  dump_stack_lvl+0x1e7/0x2d0
[  472.703803][ T8451]  ? nf_tcp_handle_invalid+0x650/0x650
[  472.709285][ T8451]  ? panic+0x770/0x770
[  472.713382][ T8451]  sysfs_create_dir_ns+0x2ca/0x390
[  472.718694][ T8451]  ? sysfs_warn_dup+0xa0/0xa0
[  472.723403][ T8451]  kobject_add_internal+0x61d/0xc30
[  472.728637][ T8451]  kobject_add+0x152/0x210
[  472.733110][ T8451]  ? kobject_put+0x3e4/0x430
[  472.737813][ T8451]  ? kobject_init+0x1f0/0x1f0
[  472.742537][ T8451]  ? get_device_parent+0x25d/0x410
[  472.747694][ T8451]  ? device_add+0x30f/0xc90
[  472.752306][ T8451]  device_add+0x449/0xc90
[  472.756641][ T8451]  tty_register_device_attr+0x437/0x960
[  472.762178][ T8451]  ? tty_register_device+0x30/0x30
[  472.767302][ T8451]  ? gsm_dlci_alloc+0x354/0x6e0
[  472.772748][ T8451]  gsm_activate_mux+0xe9/0x290
[  472.777675][ T8451]  gsmld_ioctl+0x1858/0x25b0
[  472.782249][ T8451]  ? tomoyo_path_number_perm+0x663/0x840
[  472.787875][ T8451]  ? gsmld_write+0x120/0x120
[  472.792455][ T8451]  ? __vt_event_wait+0x240/0x240
[  472.797386][ T8451]  ? ldsem_down_read+0xb4/0xe0
[  472.802137][ T8451]  ? gsmld_write+0x120/0x120
[  472.806707][ T8451]  tty_ioctl+0x98c/0xda0
[  472.810939][ T8451]  ? security_file_ioctl+0x81/0xa0
[  472.816205][ T8451]  ? tty_get_icount+0xb0/0xb0
[  472.820875][ T8451]  __se_sys_ioctl+0xf8/0x170
[  472.825469][ T8451]  do_syscall_64+0x41/0xc0
[  472.829889][ T8451]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  472.835806][ T8451] RIP: 0033:0x7f68b62c56e9
[  472.840311][ T8451] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  472.859915][ T8451] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  472.868315][ T8451] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  472.876357][ T8451] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  472.884392][ T8451] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  472.892441][ T8451] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  472.900489][ T8451] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  472.908636][ T8451]  </TASK>
[  472.914486][ T8451] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.090855][ T8454] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  473.115499][ T8454] CPU: 1 PID: 8454 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  473.125879][ T8454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  473.136207][ T8454] Call Trace:
[  473.139617][ T8454]  <TASK>
[  473.142836][ T8454]  dump_stack_lvl+0x1e7/0x2d0
[  473.147813][ T8454]  ? nf_tcp_handle_invalid+0x650/0x650
[  473.153487][ T8454]  ? panic+0x770/0x770
[  473.157693][ T8454]  sysfs_create_dir_ns+0x2ca/0x390
[  473.162858][ T8454]  ? sysfs_warn_dup+0xa0/0xa0
[  473.167677][ T8454]  kobject_add_internal+0x61d/0xc30
[  473.173265][ T8454]  kobject_add+0x152/0x210
[  473.177897][ T8454]  ? kobject_put+0x3e4/0x430
[  473.182989][ T8454]  ? kobject_init+0x1f0/0x1f0
[  473.187795][ T8454]  ? get_device_parent+0x25d/0x410
[  473.193406][ T8454]  ? device_add+0x30f/0xc90
[  473.197948][ T8454]  device_add+0x449/0xc90
[  473.202406][ T8454]  tty_register_device_attr+0x437/0x960
[  473.208082][ T8454]  ? tty_register_device+0x30/0x30
[  473.213258][ T8454]  ? gsm_dlci_alloc+0x354/0x6e0
[  473.218321][ T8454]  gsm_activate_mux+0xe9/0x290
[  473.223694][ T8454]  gsmld_ioctl+0x1858/0x25b0
[  473.228328][ T8454]  ? tomoyo_path_number_perm+0x663/0x840
[  473.234190][ T8454]  ? gsmld_write+0x120/0x120
[  473.238897][ T8454]  ? __vt_event_wait+0x240/0x240
[  473.244316][ T8454]  ? ldsem_down_read+0xb4/0xe0
[  473.249118][ T8454]  ? gsmld_write+0x120/0x120
[  473.253759][ T8454]  tty_ioctl+0x98c/0xda0
[  473.258112][ T8454]  ? security_file_ioctl+0x81/0xa0
[  473.263399][ T8454]  ? tty_get_icount+0xb0/0xb0
[  473.268071][ T8454]  __se_sys_ioctl+0xf8/0x170
[  473.272655][ T8454]  do_syscall_64+0x41/0xc0
[  473.277257][ T8454]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  473.283501][ T8454] RIP: 0033:0x7f68b62c56e9
[  473.287993][ T8454] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  473.307767][ T8454] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  473.316267][ T8454] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  473.324281][ T8454] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  473.332244][ T8454] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  473.340382][ T8454] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  473.348577][ T8454] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  473.356653][ T8454]  </TASK>
[  473.363055][ T8454] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.533728][ T8458] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  473.549862][ T8458] CPU: 1 PID: 8458 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  473.559975][ T8458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  473.570672][ T8458] Call Trace:
[  473.574095][ T8458]  <TASK>
[  473.577220][ T8458]  dump_stack_lvl+0x1e7/0x2d0
[  473.582992][ T8458]  ? nf_tcp_handle_invalid+0x650/0x650
[  473.588673][ T8458]  ? panic+0x770/0x770
[  473.592966][ T8458]  sysfs_create_dir_ns+0x2ca/0x390
[  473.598643][ T8458]  ? sysfs_warn_dup+0xa0/0xa0
[  473.603334][ T8458]  kobject_add_internal+0x61d/0xc30
[  473.608537][ T8458]  kobject_add+0x152/0x210
[  473.612952][ T8458]  ? kobject_put+0x3e4/0x430
[  473.617535][ T8458]  ? kobject_init+0x1f0/0x1f0
[  473.622402][ T8458]  ? get_device_parent+0x25d/0x410
[  473.627508][ T8458]  ? device_add+0x30f/0xc90
[  473.632006][ T8458]  device_add+0x449/0xc90
[  473.636371][ T8458]  tty_register_device_attr+0x437/0x960
[  473.642041][ T8458]  ? tty_register_device+0x30/0x30
[  473.647383][ T8458]  ? gsm_dlci_alloc+0x354/0x6e0
[  473.652428][ T8458]  gsm_activate_mux+0xe9/0x290
[  473.657316][ T8458]  gsmld_ioctl+0x1858/0x25b0
[  473.661925][ T8458]  ? tomoyo_path_number_perm+0x663/0x840
[  473.667661][ T8458]  ? gsmld_write+0x120/0x120
[  473.672427][ T8458]  ? __vt_event_wait+0x240/0x240
[  473.677370][ T8458]  ? ldsem_down_read+0xb4/0xe0
[  473.682659][ T8458]  ? gsmld_write+0x120/0x120
[  473.687242][ T8458]  tty_ioctl+0x98c/0xda0
[  473.691478][ T8458]  ? security_file_ioctl+0x81/0xa0
[  473.696583][ T8458]  ? tty_get_icount+0xb0/0xb0
[  473.701544][ T8458]  __se_sys_ioctl+0xf8/0x170
[  473.706332][ T8458]  do_syscall_64+0x41/0xc0
[  473.710754][ T8458]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  473.716831][ T8458] RIP: 0033:0x7f68b62c56e9
[  473.721487][ T8458] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  473.741388][ T8458] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  473.749983][ T8458] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  473.757950][ T8458] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  473.766324][ T8458] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  473.775016][ T8458] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  473.783082][ T8458] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  473.791069][ T8458]  </TASK>
[  473.796424][ T8458] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.801438][ T8459] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  473.819573][ T8459] CPU: 0 PID: 8459 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  473.829841][ T8459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  473.840018][ T8459] Call Trace:
[  473.843319][ T8459]  <TASK>
[  473.846877][ T8459]  dump_stack_lvl+0x1e7/0x2d0
[  473.851698][ T8459]  ? nf_tcp_handle_invalid+0x650/0x650
[  473.857196][ T8459]  ? panic+0x770/0x770
[  473.861296][ T8459]  sysfs_create_dir_ns+0x2ca/0x390
[  473.866527][ T8459]  ? sysfs_warn_dup+0xa0/0xa0
[  473.871248][ T8459]  kobject_add_internal+0x61d/0xc30
[  473.876575][ T8459]  kobject_add+0x152/0x210
[  473.881148][ T8459]  ? kobject_put+0x3e4/0x430
[  473.885787][ T8459]  ? kobject_init+0x1f0/0x1f0
[  473.890519][ T8459]  ? get_device_parent+0x25d/0x410
[  473.895663][ T8459]  ? device_add+0x30f/0xc90
[  473.900305][ T8459]  device_add+0x449/0xc90
[  473.905116][ T8459]  tty_register_device_attr+0x437/0x960
[  473.910713][ T8459]  ? tty_register_device+0x30/0x30
[  473.916063][ T8459]  ? gsm_dlci_alloc+0x354/0x6e0
[  473.921079][ T8459]  gsm_activate_mux+0xe9/0x290
[  473.926109][ T8459]  gsmld_ioctl+0x1858/0x25b0
[  473.931079][ T8459]  ? tomoyo_path_number_perm+0x663/0x840
[  473.936992][ T8459]  ? gsmld_write+0x120/0x120
[  473.941607][ T8459]  ? __vt_event_wait+0x240/0x240
[  473.946733][ T8459]  ? ldsem_down_read+0xb4/0xe0
[  473.951767][ T8459]  ? gsmld_write+0x120/0x120
[  473.956659][ T8459]  tty_ioctl+0x98c/0xda0
[  473.961107][ T8459]  ? security_file_ioctl+0x81/0xa0
[  473.966235][ T8459]  ? tty_get_icount+0xb0/0xb0
[  473.971784][ T8459]  __se_sys_ioctl+0xf8/0x170
[  473.976474][ T8459]  do_syscall_64+0x41/0xc0
[  473.981169][ T8459]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  473.987322][ T8459] RIP: 0033:0x7f68b62c56e9
[  473.991935][ T8459] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  474.012107][ T8459] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  474.020614][ T8459] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  474.028584][ T8459] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  474.036642][ T8459] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  474.044783][ T8459] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  474.052840][ T8459] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  474.060811][ T8459]  </TASK>
[  474.067807][ T8459] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  474.238993][ T8462] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  474.267993][ T8462] CPU: 1 PID: 8462 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  474.278384][ T8462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  474.288553][ T8462] Call Trace:
[  474.291870][ T8462]  <TASK>
[  474.294910][ T8462]  dump_stack_lvl+0x1e7/0x2d0
[  474.299827][ T8462]  ? nf_tcp_handle_invalid+0x650/0x650
[  474.305322][ T8462]  ? panic+0x770/0x770
[  474.309427][ T8462]  sysfs_create_dir_ns+0x2ca/0x390
[  474.314682][ T8462]  ? sysfs_warn_dup+0xa0/0xa0
[  474.319393][ T8462]  kobject_add_internal+0x61d/0xc30
[  474.324784][ T8462]  kobject_add+0x152/0x210
[  474.329292][ T8462]  ? kobject_put+0x3e4/0x430
[  474.333877][ T8462]  ? kobject_init+0x1f0/0x1f0
[  474.338555][ T8462]  ? get_device_parent+0x25d/0x410
[  474.343733][ T8462]  ? device_add+0x30f/0xc90
[  474.348491][ T8462]  device_add+0x449/0xc90
[  474.352902][ T8462]  tty_register_device_attr+0x437/0x960
[  474.358629][ T8462]  ? tty_register_device+0x30/0x30
[  474.363733][ T8462]  ? gsm_dlci_alloc+0x354/0x6e0
[  474.368577][ T8462]  gsm_activate_mux+0xe9/0x290
[  474.373424][ T8462]  gsmld_ioctl+0x1858/0x25b0
[  474.378287][ T8462]  ? tomoyo_path_number_perm+0x663/0x840
[  474.383928][ T8462]  ? gsmld_write+0x120/0x120
[  474.388515][ T8462]  ? __vt_event_wait+0x240/0x240
[  474.393538][ T8462]  ? ldsem_down_read+0xb4/0xe0
[  474.398308][ T8462]  ? gsmld_write+0x120/0x120
[  474.402978][ T8462]  tty_ioctl+0x98c/0xda0
[  474.407316][ T8462]  ? security_file_ioctl+0x81/0xa0
[  474.412422][ T8462]  ? tty_get_icount+0xb0/0xb0
[  474.417183][ T8462]  __se_sys_ioctl+0xf8/0x170
[  474.421855][ T8462]  do_syscall_64+0x41/0xc0
[  474.426273][ T8462]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  474.432259][ T8462] RIP: 0033:0x7f68b62c56e9
[  474.436678][ T8462] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  474.456366][ T8462] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  474.465034][ T8462] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  474.473100][ T8462] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  474.481237][ T8462] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  474.489820][ T8462] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  474.498047][ T8462] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  474.506459][ T8462]  </TASK>
[  474.537168][ T8462] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  474.720996][ T8467] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  474.730297][ T8467] CPU: 1 PID: 8467 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  474.740826][ T8467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  474.751559][ T8467] Call Trace:
[  474.755047][ T8467]  <TASK>
[  474.758096][ T8467]  dump_stack_lvl+0x1e7/0x2d0
[  474.763506][ T8467]  ? nf_tcp_handle_invalid+0x650/0x650
[  474.769367][ T8467]  ? panic+0x770/0x770
[  474.773564][ T8467]  sysfs_create_dir_ns+0x2ca/0x390
[  474.779243][ T8467]  ? sysfs_warn_dup+0xa0/0xa0
[  474.783959][ T8467]  kobject_add_internal+0x61d/0xc30
[  474.789632][ T8467]  kobject_add+0x152/0x210
[  474.794269][ T8467]  ? kobject_put+0x3e4/0x430
[  474.798977][ T8467]  ? kobject_init+0x1f0/0x1f0
[  474.803948][ T8467]  ? get_device_parent+0x25d/0x410
[  474.809212][ T8467]  ? device_add+0x30f/0xc90
[  474.813757][ T8467]  device_add+0x449/0xc90
[  474.818303][ T8467]  tty_register_device_attr+0x437/0x960
[  474.823975][ T8467]  ? tty_register_device+0x30/0x30
[  474.829128][ T8467]  ? gsm_dlci_alloc+0x354/0x6e0
[  474.834022][ T8467]  gsm_activate_mux+0xe9/0x290
[  474.838826][ T8467]  gsmld_ioctl+0x1858/0x25b0
[  474.843448][ T8467]  ? tomoyo_path_number_perm+0x663/0x840
[  474.849129][ T8467]  ? gsmld_write+0x120/0x120
[  474.853936][ T8467]  ? __vt_event_wait+0x240/0x240
[  474.859006][ T8467]  ? ldsem_down_read+0xb4/0xe0
[  474.863809][ T8467]  ? gsmld_write+0x120/0x120
[  474.868433][ T8467]  tty_ioctl+0x98c/0xda0
[  474.872798][ T8467]  ? security_file_ioctl+0x81/0xa0
[  474.877938][ T8467]  ? tty_get_icount+0xb0/0xb0
[  474.882652][ T8467]  __se_sys_ioctl+0xf8/0x170
[  474.887278][ T8467]  do_syscall_64+0x41/0xc0
[  474.891813][ T8467]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  474.897919][ T8467] RIP: 0033:0x7f68b62c56e9
[  474.902447][ T8467] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  474.922599][ T8467] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  474.931235][ T8467] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  474.939318][ T8467] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  474.947548][ T8467] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  474.955691][ T8467] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  474.964021][ T8467] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  474.972089][ T8467]  </TASK>
[  474.975818][ T8467] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.150571][ T8472] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  475.170033][ T8472] CPU: 0 PID: 8472 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  475.180316][ T8472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  475.190745][ T8472] Call Trace:
[  475.194068][ T8472]  <TASK>
[  475.197376][ T8472]  dump_stack_lvl+0x1e7/0x2d0
[  475.202363][ T8472]  ? nf_tcp_handle_invalid+0x650/0x650
[  475.208652][ T8472]  ? panic+0x770/0x770
[  475.212925][ T8472]  sysfs_create_dir_ns+0x2ca/0x390
[  475.218040][ T8472]  ? sysfs_warn_dup+0xa0/0xa0
[  475.222715][ T8472]  kobject_add_internal+0x61d/0xc30
[  475.227917][ T8472]  kobject_add+0x152/0x210
[  475.232506][ T8472]  ? kobject_put+0x3e4/0x430
[  475.237357][ T8472]  ? kobject_init+0x1f0/0x1f0
[  475.242376][ T8472]  ? get_device_parent+0x25d/0x410
[  475.247495][ T8472]  ? device_add+0x30f/0xc90
[  475.251995][ T8472]  device_add+0x449/0xc90
[  475.256322][ T8472]  tty_register_device_attr+0x437/0x960
[  475.261871][ T8472]  ? tty_register_device+0x30/0x30
[  475.266978][ T8472]  ? gsm_dlci_alloc+0x354/0x6e0
[  475.271868][ T8472]  gsm_activate_mux+0xe9/0x290
[  475.276633][ T8472]  gsmld_ioctl+0x1858/0x25b0
[  475.281220][ T8472]  ? tomoyo_path_number_perm+0x663/0x840
[  475.287045][ T8472]  ? gsmld_write+0x120/0x120
[  475.291638][ T8472]  ? __vt_event_wait+0x240/0x240
[  475.296696][ T8472]  ? ldsem_down_read+0xb4/0xe0
[  475.301830][ T8472]  ? gsmld_write+0x120/0x120
[  475.306598][ T8472]  tty_ioctl+0x98c/0xda0
[  475.310848][ T8472]  ? security_file_ioctl+0x81/0xa0
[  475.316049][ T8472]  ? tty_get_icount+0xb0/0xb0
[  475.320894][ T8472]  __se_sys_ioctl+0xf8/0x170
[  475.325568][ T8472]  do_syscall_64+0x41/0xc0
[  475.329985][ T8472]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  475.335872][ T8472] RIP: 0033:0x7f68b62c56e9
[  475.340368][ T8472] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  475.360339][ T8472] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  475.368850][ T8472] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  475.377002][ T8472] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  475.385189][ T8472] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  475.393194][ T8472] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  475.401265][ T8472] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  475.409454][ T8472]  </TASK>
[  475.422175][ T8472] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.445677][ T8473] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  475.461563][ T8473] CPU: 1 PID: 8473 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  475.471675][ T8473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  475.481752][ T8473] Call Trace:
[  475.485048][ T8473]  <TASK>
[  475.488095][ T8473]  dump_stack_lvl+0x1e7/0x2d0
[  475.492903][ T8473]  ? nf_tcp_handle_invalid+0x650/0x650
[  475.498392][ T8473]  ? panic+0x770/0x770
[  475.502803][ T8473]  sysfs_create_dir_ns+0x2ca/0x390
[  475.508133][ T8473]  ? sysfs_warn_dup+0xa0/0xa0
[  475.512864][ T8473]  kobject_add_internal+0x61d/0xc30
[  475.518276][ T8473]  kobject_add+0x152/0x210
[  475.522836][ T8473]  ? kobject_put+0x3e4/0x430
[  475.527548][ T8473]  ? kobject_init+0x1f0/0x1f0
[  475.532227][ T8473]  ? get_device_parent+0x25d/0x410
[  475.537504][ T8473]  ? device_add+0x30f/0xc90
[  475.541996][ T8473]  device_add+0x449/0xc90
[  475.546401][ T8473]  tty_register_device_attr+0x437/0x960
[  475.551937][ T8473]  ? tty_register_device+0x30/0x30
[  475.557031][ T8473]  ? gsm_dlci_alloc+0x354/0x6e0
[  475.561956][ T8473]  gsm_activate_mux+0xe9/0x290
[  475.566719][ T8473]  gsmld_ioctl+0x1858/0x25b0
[  475.571317][ T8473]  ? tomoyo_path_number_perm+0x663/0x840
[  475.576958][ T8473]  ? gsmld_write+0x120/0x120
[  475.581550][ T8473]  ? __vt_event_wait+0x240/0x240
[  475.586484][ T8473]  ? ldsem_down_read+0xb4/0xe0
[  475.591331][ T8473]  ? gsmld_write+0x120/0x120
[  475.596546][ T8473]  tty_ioctl+0x98c/0xda0
[  475.600867][ T8473]  ? security_file_ioctl+0x81/0xa0
[  475.605968][ T8473]  ? tty_get_icount+0xb0/0xb0
[  475.610639][ T8473]  __se_sys_ioctl+0xf8/0x170
[  475.615220][ T8473]  do_syscall_64+0x41/0xc0
[  475.619629][ T8473]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  475.625514][ T8473] RIP: 0033:0x7f68b62c56e9
[  475.629922][ T8473] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  475.650071][ T8473] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  475.658666][ T8473] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  475.666635][ T8473] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  475.674771][ T8473] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  475.683264][ T8473] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  475.691847][ T8473] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  475.700036][ T8473]  </TASK>
[  475.703948][ T8473] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.874641][ T8476] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  475.885200][ T8476] CPU: 1 PID: 8476 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  475.895529][ T8476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  475.905800][ T8476] Call Trace:
[  475.909337][ T8476]  <TASK>
[  475.912384][ T8476]  dump_stack_lvl+0x1e7/0x2d0
[  475.917735][ T8476]  ? nf_tcp_handle_invalid+0x650/0x650
[  475.923235][ T8476]  ? panic+0x770/0x770
[  475.928047][ T8476]  sysfs_create_dir_ns+0x2ca/0x390
[  475.933388][ T8476]  ? sysfs_warn_dup+0xa0/0xa0
[  475.939293][ T8476]  kobject_add_internal+0x61d/0xc30
[  475.944847][ T8476]  kobject_add+0x152/0x210
[  475.949358][ T8476]  ? kobject_put+0x3e4/0x430
[  475.954029][ T8476]  ? kobject_init+0x1f0/0x1f0
[  475.958966][ T8476]  ? get_device_parent+0x25d/0x410
[  475.964073][ T8476]  ? device_add+0x30f/0xc90
[  475.969114][ T8476]  device_add+0x449/0xc90
[  475.973527][ T8476]  tty_register_device_attr+0x437/0x960
[  475.979341][ T8476]  ? tty_register_device+0x30/0x30
[  475.984451][ T8476]  ? gsm_dlci_alloc+0x354/0x6e0
[  475.989408][ T8476]  gsm_activate_mux+0xe9/0x290
[  475.994199][ T8476]  gsmld_ioctl+0x1858/0x25b0
[  475.998812][ T8476]  ? tomoyo_path_number_perm+0x663/0x840
[  476.004910][ T8476]  ? gsmld_write+0x120/0x120
[  476.009679][ T8476]  ? __vt_event_wait+0x240/0x240
[  476.014711][ T8476]  ? ldsem_down_read+0xb4/0xe0
[  476.019995][ T8476]  ? gsmld_write+0x120/0x120
[  476.024668][ T8476]  tty_ioctl+0x98c/0xda0
[  476.029863][ T8476]  ? security_file_ioctl+0x81/0xa0
[  476.035522][ T8476]  ? tty_get_icount+0xb0/0xb0
[  476.040316][ T8476]  __se_sys_ioctl+0xf8/0x170
[  476.045203][ T8476]  do_syscall_64+0x41/0xc0
[  476.049711][ T8476]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  476.055868][ T8476] RIP: 0033:0x7f68b62c56e9
[  476.060291][ T8476] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  476.080003][ T8476] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  476.088504][ T8476] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  476.096554][ T8476] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  476.104600][ T8476] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  476.112648][ T8476] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  476.120699][ T8476] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  476.128845][ T8476]  </TASK>
[  476.170116][ T8477] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.172409][ T8476] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.194241][ T8477] CPU: 0 PID: 8477 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  476.194271][ T8477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  476.194282][ T8477] Call Trace:
[  476.194291][ T8477]  <TASK>
[  476.194298][ T8477]  dump_stack_lvl+0x1e7/0x2d0
[  476.194327][ T8477]  ? nf_tcp_handle_invalid+0x650/0x650
[  476.194346][ T8477]  ? panic+0x770/0x770
[  476.237296][ T8477]  sysfs_create_dir_ns+0x2ca/0x390
[  476.242795][ T8477]  ? sysfs_warn_dup+0xa0/0xa0
[  476.247602][ T8477]  kobject_add_internal+0x61d/0xc30
[  476.252937][ T8477]  kobject_add+0x152/0x210
[  476.257390][ T8477]  ? kobject_put+0x3e4/0x430
[  476.262090][ T8477]  ? kobject_init+0x1f0/0x1f0
[  476.267240][ T8477]  ? get_device_parent+0x25d/0x410
[  476.272345][ T8477]  ? device_add+0x30f/0xc90
[  476.276846][ T8477]  device_add+0x449/0xc90
[  476.281255][ T8477]  tty_register_device_attr+0x437/0x960
[  476.287148][ T8477]  ? tty_register_device+0x30/0x30
[  476.292338][ T8477]  ? gsm_dlci_alloc+0x354/0x6e0
[  476.297535][ T8477]  gsm_activate_mux+0xe9/0x290
[  476.302418][ T8477]  gsmld_ioctl+0x1858/0x25b0
[  476.307029][ T8477]  ? tomoyo_path_number_perm+0x663/0x840
[  476.312671][ T8477]  ? gsmld_write+0x120/0x120
[  476.317262][ T8477]  ? __vt_event_wait+0x240/0x240
[  476.322296][ T8477]  ? ldsem_down_read+0xb4/0xe0
[  476.327152][ T8477]  ? gsmld_write+0x120/0x120
[  476.331731][ T8477]  tty_ioctl+0x98c/0xda0
[  476.336010][ T8477]  ? security_file_ioctl+0x81/0xa0
[  476.341382][ T8477]  ? tty_get_icount+0xb0/0xb0
[  476.346135][ T8477]  __se_sys_ioctl+0xf8/0x170
[  476.350719][ T8477]  do_syscall_64+0x41/0xc0
[  476.355126][ T8477]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  476.361009][ T8477] RIP: 0033:0x7f68b62c56e9
[  476.365409][ T8477] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  476.385356][ T8477] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  476.395160][ T8477] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  476.403315][ T8477] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  476.411298][ T8477] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  476.419810][ T8477] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  476.428678][ T8477] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  476.439170][ T8477]  </TASK>
[  476.445136][ T8477] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.621891][ T8481] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.635692][ T8481] CPU: 0 PID: 8481 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  476.646163][ T8481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  476.656790][ T8481] Call Trace:
[  476.660611][ T8481]  <TASK>
[  476.663732][ T8481]  dump_stack_lvl+0x1e7/0x2d0
[  476.668447][ T8481]  ? nf_tcp_handle_invalid+0x650/0x650
[  476.674133][ T8481]  ? panic+0x770/0x770
[  476.678331][ T8481]  sysfs_create_dir_ns+0x2ca/0x390
[  476.683469][ T8481]  ? sysfs_warn_dup+0xa0/0xa0
[  476.688529][ T8481]  kobject_add_internal+0x61d/0xc30
[  476.693764][ T8481]  kobject_add+0x152/0x210
[  476.698474][ T8481]  ? kobject_put+0x3e4/0x430
[  476.703183][ T8481]  ? kobject_init+0x1f0/0x1f0
[  476.708250][ T8481]  ? get_device_parent+0x25d/0x410
[  476.713484][ T8481]  ? device_add+0x30f/0xc90
[  476.718025][ T8481]  device_add+0x449/0xc90
[  476.722391][ T8481]  tty_register_device_attr+0x437/0x960
[  476.728303][ T8481]  ? tty_register_device+0x30/0x30
[  476.733687][ T8481]  ? gsm_dlci_alloc+0x354/0x6e0
[  476.738582][ T8481]  gsm_activate_mux+0xe9/0x290
[  476.743646][ T8481]  gsmld_ioctl+0x1858/0x25b0
[  476.748361][ T8481]  ? tomoyo_path_number_perm+0x663/0x840
[  476.754053][ T8481]  ? gsmld_write+0x120/0x120
[  476.758683][ T8481]  ? __vt_event_wait+0x240/0x240
[  476.763767][ T8481]  ? ldsem_down_read+0xb4/0xe0
[  476.768665][ T8481]  ? gsmld_write+0x120/0x120
[  476.773293][ T8481]  tty_ioctl+0x98c/0xda0
[  476.777664][ T8481]  ? security_file_ioctl+0x81/0xa0
[  476.782822][ T8481]  ? tty_get_icount+0xb0/0xb0
[  476.787540][ T8481]  __se_sys_ioctl+0xf8/0x170
[  476.792169][ T8481]  do_syscall_64+0x41/0xc0
[  476.796711][ T8481]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  476.802636][ T8481] RIP: 0033:0x7f68b62c56e9
[  476.807075][ T8481] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  476.826779][ T8481] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  476.835349][ T8481] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  476.843415][ T8481] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  476.851474][ T8481] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  476.859549][ T8481] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  476.867512][ T8481] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  476.875486][ T8481]  </TASK>
[  476.880103][ T8481] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.056583][ T8485] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  477.065129][ T8485] CPU: 1 PID: 8485 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  477.075224][ T8485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  477.085301][ T8485] Call Trace:
[  477.088600][ T8485]  <TASK>
[  477.091554][ T8485]  dump_stack_lvl+0x1e7/0x2d0
[  477.096258][ T8485]  ? nf_tcp_handle_invalid+0x650/0x650
[  477.101919][ T8485]  ? panic+0x770/0x770
[  477.106112][ T8485]  sysfs_create_dir_ns+0x2ca/0x390
[  477.111254][ T8485]  ? sysfs_warn_dup+0xa0/0xa0
[  477.115978][ T8485]  kobject_add_internal+0x61d/0xc30
[  477.121254][ T8485]  kobject_add+0x152/0x210
[  477.125681][ T8485]  ? kobject_put+0x3e4/0x430
[  477.130264][ T8485]  ? kobject_init+0x1f0/0x1f0
[  477.135202][ T8485]  ? get_device_parent+0x25d/0x410
[  477.140739][ T8485]  ? device_add+0x30f/0xc90
[  477.145441][ T8485]  device_add+0x449/0xc90
[  477.150034][ T8485]  tty_register_device_attr+0x437/0x960
[  477.155586][ T8485]  ? tty_register_device+0x30/0x30
[  477.161053][ T8485]  ? gsm_dlci_alloc+0x354/0x6e0
[  477.165914][ T8485]  gsm_activate_mux+0xe9/0x290
[  477.170676][ T8485]  gsmld_ioctl+0x1858/0x25b0
[  477.175272][ T8485]  ? tomoyo_path_number_perm+0x663/0x840
[  477.180916][ T8485]  ? gsmld_write+0x120/0x120
[  477.185503][ T8485]  ? __vt_event_wait+0x240/0x240
[  477.190533][ T8485]  ? ldsem_down_read+0xb4/0xe0
[  477.195293][ T8485]  ? gsmld_write+0x120/0x120
[  477.200222][ T8485]  tty_ioctl+0x98c/0xda0
[  477.204720][ T8485]  ? security_file_ioctl+0x81/0xa0
[  477.209927][ T8485]  ? tty_get_icount+0xb0/0xb0
[  477.214601][ T8485]  __se_sys_ioctl+0xf8/0x170
[  477.219367][ T8485]  do_syscall_64+0x41/0xc0
[  477.223877][ T8485]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  477.230200][ T8485] RIP: 0033:0x7f68b62c56e9
[  477.236026][ T8485] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  477.256237][ T8485] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  477.264816][ T8485] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  477.272864][ T8485] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  477.281266][ T8485] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  477.289227][ T8485] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  477.297443][ T8485] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  477.305582][ T8485]  </TASK>
[  477.339661][ T8485] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.553089][ T8490] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  477.561922][ T8490] CPU: 1 PID: 8490 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  477.572180][ T8490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  477.582255][ T8490] Call Trace:
[  477.585556][ T8490]  <TASK>
[  477.588501][ T8490]  dump_stack_lvl+0x1e7/0x2d0
[  477.593208][ T8490]  ? nf_tcp_handle_invalid+0x650/0x650
[  477.598709][ T8490]  ? panic+0x770/0x770
[  477.603000][ T8490]  sysfs_create_dir_ns+0x2ca/0x390
[  477.608507][ T8490]  ? sysfs_warn_dup+0xa0/0xa0
[  477.613668][ T8490]  kobject_add_internal+0x61d/0xc30
[  477.619159][ T8490]  kobject_add+0x152/0x210
[  477.623680][ T8490]  ? kobject_put+0x3e4/0x430
[  477.628352][ T8490]  ? kobject_init+0x1f0/0x1f0
[  477.633149][ T8490]  ? get_device_parent+0x25d/0x410
[  477.638354][ T8490]  ? device_add+0x30f/0xc90
[  477.642946][ T8490]  device_add+0x449/0xc90
[  477.647407][ T8490]  tty_register_device_attr+0x437/0x960
[  477.653041][ T8490]  ? tty_register_device+0x30/0x30
[  477.658261][ T8490]  ? gsm_dlci_alloc+0x354/0x6e0
[  477.663150][ T8490]  gsm_activate_mux+0xe9/0x290
[  477.668127][ T8490]  gsmld_ioctl+0x1858/0x25b0
[  477.673945][ T8490]  ? tomoyo_path_number_perm+0x663/0x840
[  477.679759][ T8490]  ? gsmld_write+0x120/0x120
[  477.684520][ T8490]  ? __vt_event_wait+0x240/0x240
[  477.689461][ T8490]  ? ldsem_down_read+0xb4/0xe0
[  477.694220][ T8490]  ? gsmld_write+0x120/0x120
[  477.698827][ T8490]  tty_ioctl+0x98c/0xda0
[  477.703066][ T8490]  ? security_file_ioctl+0x81/0xa0
[  477.708262][ T8490]  ? tty_get_icount+0xb0/0xb0
[  477.712932][ T8490]  __se_sys_ioctl+0xf8/0x170
[  477.717530][ T8490]  do_syscall_64+0x41/0xc0
[  477.721981][ T8490]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  477.727974][ T8490] RIP: 0033:0x7f68b62c56e9
[  477.732389][ T8490] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  477.752716][ T8490] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  477.761892][ T8490] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  477.772104][ T8490] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  477.780957][ T8490] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  477.789010][ T8490] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  477.797235][ T8490] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  477.805548][ T8490]  </TASK>
[  477.814726][ T8491] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  477.823472][ T8491] CPU: 1 PID: 8491 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  477.833738][ T8491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  477.835426][ T8490] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.843878][ T8491] Call Trace:
[  477.843890][ T8491]  <TASK>
[  477.843897][ T8491]  dump_stack_lvl+0x1e7/0x2d0
[  477.843929][ T8491]  ? nf_tcp_handle_invalid+0x650/0x650
[  477.843947][ T8491]  ? panic+0x770/0x770
[  477.843974][ T8491]  sysfs_create_dir_ns+0x2ca/0x390
[  477.843997][ T8491]  ? sysfs_warn_dup+0xa0/0xa0
[  477.844018][ T8491]  kobject_add_internal+0x61d/0xc30
[  477.844047][ T8491]  kobject_add+0x152/0x210
[  477.844070][ T8491]  ? kobject_put+0x3e4/0x430
[  477.844091][ T8491]  ? kobject_init+0x1f0/0x1f0
[  477.844114][ T8491]  ? get_device_parent+0x25d/0x410
[  477.914269][ T8491]  ? device_add+0x30f/0xc90
[  477.918820][ T8491]  device_add+0x449/0xc90
[  477.923537][ T8491]  tty_register_device_attr+0x437/0x960
[  477.929122][ T8491]  ? tty_register_device+0x30/0x30
[  477.934343][ T8491]  ? gsm_dlci_alloc+0x354/0x6e0
[  477.939815][ T8491]  gsm_activate_mux+0xe9/0x290
[  477.944665][ T8491]  gsmld_ioctl+0x1858/0x25b0
[  477.949602][ T8491]  ? tomoyo_path_number_perm+0x663/0x840
[  477.955458][ T8491]  ? gsmld_write+0x120/0x120
[  477.960769][ T8491]  ? __vt_event_wait+0x240/0x240
[  477.965951][ T8491]  ? ldsem_down_read+0xb4/0xe0
[  477.970949][ T8491]  ? gsmld_write+0x120/0x120
[  477.975645][ T8491]  tty_ioctl+0x98c/0xda0
[  477.980245][ T8491]  ? security_file_ioctl+0x81/0xa0
[  477.986125][ T8491]  ? tty_get_icount+0xb0/0xb0
[  477.990958][ T8491]  __se_sys_ioctl+0xf8/0x170
[  477.995954][ T8491]  do_syscall_64+0x41/0xc0
[  478.000385][ T8491]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  478.006275][ T8491] RIP: 0033:0x7f68b62c56e9
[  478.010686][ T8491] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  478.030660][ T8491] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  478.039255][ T8491] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  478.047424][ T8491] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  478.055569][ T8491] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  478.063996][ T8491] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  478.072222][ T8491] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  478.080364][ T8491]  </TASK>
[  478.099181][ T8491] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.271276][ T8494] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  478.296242][ T8494] CPU: 1 PID: 8494 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  478.306448][ T8494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  478.316535][ T8494] Call Trace:
[  478.319846][ T8494]  <TASK>
[  478.322804][ T8494]  dump_stack_lvl+0x1e7/0x2d0
[  478.327608][ T8494]  ? nf_tcp_handle_invalid+0x650/0x650
[  478.333103][ T8494]  ? panic+0x770/0x770
[  478.337223][ T8494]  sysfs_create_dir_ns+0x2ca/0x390
[  478.342541][ T8494]  ? sysfs_warn_dup+0xa0/0xa0
[  478.347281][ T8494]  kobject_add_internal+0x61d/0xc30
[  478.352522][ T8494]  kobject_add+0x152/0x210
[  478.356981][ T8494]  ? kobject_put+0x3e4/0x430
[  478.361691][ T8494]  ? kobject_init+0x1f0/0x1f0
[  478.366405][ T8494]  ? get_device_parent+0x25d/0x410
[  478.371642][ T8494]  ? device_add+0x30f/0xc90
[  478.376268][ T8494]  device_add+0x449/0xc90
[  478.380718][ T8494]  tty_register_device_attr+0x437/0x960
[  478.386316][ T8494]  ? tty_register_device+0x30/0x30
[  478.391641][ T8494]  ? gsm_dlci_alloc+0x354/0x6e0
[  478.396815][ T8494]  gsm_activate_mux+0xe9/0x290
[  478.401618][ T8494]  gsmld_ioctl+0x1858/0x25b0
[  478.406499][ T8494]  ? tomoyo_path_number_perm+0x663/0x840
[  478.412436][ T8494]  ? gsmld_write+0x120/0x120
[  478.417067][ T8494]  ? __vt_event_wait+0x240/0x240
[  478.422078][ T8494]  ? ldsem_down_read+0xb4/0xe0
[  478.426863][ T8494]  ? gsmld_write+0x120/0x120
[  478.431441][ T8494]  tty_ioctl+0x98c/0xda0
[  478.435676][ T8494]  ? security_file_ioctl+0x81/0xa0
[  478.440859][ T8494]  ? tty_get_icount+0xb0/0xb0
[  478.445537][ T8494]  __se_sys_ioctl+0xf8/0x170
[  478.450226][ T8494]  do_syscall_64+0x41/0xc0
[  478.454649][ T8494]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  478.460556][ T8494] RIP: 0033:0x7f68b62c56e9
[  478.464961][ T8494] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  478.484562][ T8494] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  478.492964][ T8494] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  478.501094][ T8494] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  478.509052][ T8494] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  478.517365][ T8494] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  478.525345][ T8494] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  478.533408][ T8494]  </TASK>
[  478.537544][ T8494] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.709608][ T8498] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  478.725757][ T8498] CPU: 0 PID: 8498 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  478.735893][ T8498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  478.746005][ T8498] Call Trace:
[  478.749483][ T8498]  <TASK>
[  478.752690][ T8498]  dump_stack_lvl+0x1e7/0x2d0
[  478.757398][ T8498]  ? nf_tcp_handle_invalid+0x650/0x650
[  478.762978][ T8498]  ? panic+0x770/0x770
[  478.769101][ T8498]  sysfs_create_dir_ns+0x2ca/0x390
[  478.774248][ T8498]  ? sysfs_warn_dup+0xa0/0xa0
[  478.778984][ T8498]  kobject_add_internal+0x61d/0xc30
[  478.784225][ T8498]  kobject_add+0x152/0x210
[  478.788673][ T8498]  ? kobject_put+0x3e4/0x430
[  478.793378][ T8498]  ? kobject_init+0x1f0/0x1f0
[  478.798257][ T8498]  ? get_device_parent+0x25d/0x410
[  478.803395][ T8498]  ? device_add+0x30f/0xc90
[  478.808017][ T8498]  device_add+0x449/0xc90
[  478.812379][ T8498]  tty_register_device_attr+0x437/0x960
[  478.817962][ T8498]  ? tty_register_device+0x30/0x30
[  478.823123][ T8498]  ? gsm_dlci_alloc+0x354/0x6e0
[  478.828010][ T8498]  gsm_activate_mux+0xe9/0x290
[  478.832806][ T8498]  gsmld_ioctl+0x1858/0x25b0
[  478.837504][ T8498]  ? tomoyo_path_number_perm+0x663/0x840
[  478.843346][ T8498]  ? gsmld_write+0x120/0x120
[  478.847964][ T8498]  ? __vt_event_wait+0x240/0x240
[  478.852939][ T8498]  ? ldsem_down_read+0xb4/0xe0
[  478.857737][ T8498]  ? gsmld_write+0x120/0x120
[  478.862352][ T8498]  tty_ioctl+0x98c/0xda0
[  478.866704][ T8498]  ? security_file_ioctl+0x81/0xa0
[  478.871842][ T8498]  ? tty_get_icount+0xb0/0xb0
[  478.876573][ T8498]  __se_sys_ioctl+0xf8/0x170
[  478.881181][ T8498]  do_syscall_64+0x41/0xc0
[  478.885681][ T8498]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  478.891567][ T8498] RIP: 0033:0x7f68b62c56e9
[  478.895977][ T8498] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  478.915932][ T8498] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  478.924513][ T8498] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  478.932473][ T8498] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  478.940605][ T8498] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  478.948572][ T8498] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  478.956531][ T8498] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  478.964754][ T8498]  </TASK>
[  478.968677][ T8498] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.138331][ T8501] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  479.149463][ T8501] CPU: 0 PID: 8501 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  479.159565][ T8501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  479.169915][ T8501] Call Trace:
[  479.173219][ T8501]  <TASK>
[  479.176171][ T8501]  dump_stack_lvl+0x1e7/0x2d0
[  479.180885][ T8501]  ? nf_tcp_handle_invalid+0x650/0x650
[  479.187156][ T8501]  ? panic+0x770/0x770
[  479.191372][ T8501]  sysfs_create_dir_ns+0x2ca/0x390
[  479.196592][ T8501]  ? sysfs_warn_dup+0xa0/0xa0
[  479.201582][ T8501]  kobject_add_internal+0x61d/0xc30
[  479.207188][ T8501]  kobject_add+0x152/0x210
[  479.211997][ T8501]  ? kobject_put+0x3e4/0x430
[  479.216753][ T8501]  ? kobject_init+0x1f0/0x1f0
[  479.221526][ T8501]  ? get_device_parent+0x25d/0x410
[  479.226903][ T8501]  ? device_add+0x30f/0xc90
[  479.231408][ T8501]  device_add+0x449/0xc90
[  479.235918][ T8501]  tty_register_device_attr+0x437/0x960
[  479.241468][ T8501]  ? tty_register_device+0x30/0x30
[  479.246584][ T8501]  ? gsm_dlci_alloc+0x354/0x6e0
[  479.252040][ T8501]  gsm_activate_mux+0xe9/0x290
[  479.256982][ T8501]  gsmld_ioctl+0x1858/0x25b0
[  479.261746][ T8501]  ? tomoyo_path_number_perm+0x663/0x840
[  479.267496][ T8501]  ? gsmld_write+0x120/0x120
[  479.272516][ T8501]  ? __vt_event_wait+0x240/0x240
[  479.277637][ T8501]  ? ldsem_down_read+0xb4/0xe0
[  479.282746][ T8501]  ? gsmld_write+0x120/0x120
[  479.288208][ T8501]  tty_ioctl+0x98c/0xda0
[  479.292618][ T8501]  ? security_file_ioctl+0x81/0xa0
[  479.298464][ T8501]  ? tty_get_icount+0xb0/0xb0
[  479.303285][ T8501]  __se_sys_ioctl+0xf8/0x170
[  479.308251][ T8501]  do_syscall_64+0x41/0xc0
[  479.313142][ T8501]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  479.319322][ T8501] RIP: 0033:0x7f68b62c56e9
[  479.323922][ T8501] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  479.343946][ T8501] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  479.352819][ T8501] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  479.360784][ T8501] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  479.368770][ T8501] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  479.376751][ T8501] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  479.384897][ T8501] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  479.392869][ T8501]  </TASK>
[  479.398638][ T8501] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.413013][ T8502] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  479.413032][ T8502] CPU: 0 PID: 8502 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  479.413049][ T8502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  479.413060][ T8502] Call Trace:
[  479.413067][ T8502]  <TASK>
[  479.413073][ T8502]  dump_stack_lvl+0x1e7/0x2d0
[  479.413101][ T8502]  ? nf_tcp_handle_invalid+0x650/0x650
[  479.413118][ T8502]  ? panic+0x770/0x770
[  479.413143][ T8502]  sysfs_create_dir_ns+0x2ca/0x390
[  479.413166][ T8502]  ? sysfs_warn_dup+0xa0/0xa0
[  479.413188][ T8502]  kobject_add_internal+0x61d/0xc30
[  479.413216][ T8502]  kobject_add+0x152/0x210
[  479.413239][ T8502]  ? kobject_put+0x3e4/0x430
[  479.413261][ T8502]  ? kobject_init+0x1f0/0x1f0
[  479.413286][ T8502]  ? get_device_parent+0x25d/0x410
[  479.413308][ T8502]  ? device_add+0x30f/0xc90
[  479.413328][ T8502]  device_add+0x449/0xc90
[  479.510202][ T8502]  tty_register_device_attr+0x437/0x960
[  479.515889][ T8502]  ? tty_register_device+0x30/0x30
[  479.521448][ T8502]  ? gsm_dlci_alloc+0x354/0x6e0
[  479.526835][ T8502]  gsm_activate_mux+0xe9/0x290
[  479.532017][ T8502]  gsmld_ioctl+0x1858/0x25b0
[  479.537526][ T8502]  ? tomoyo_path_number_perm+0x663/0x840
[  479.543396][ T8502]  ? gsmld_write+0x120/0x120
[  479.548113][ T8502]  ? __vt_event_wait+0x240/0x240
[  479.553167][ T8502]  ? ldsem_down_read+0xb4/0xe0
[  479.557936][ T8502]  ? gsmld_write+0x120/0x120
[  479.562630][ T8502]  tty_ioctl+0x98c/0xda0
[  479.566961][ T8502]  ? security_file_ioctl+0x81/0xa0
[  479.572190][ T8502]  ? tty_get_icount+0xb0/0xb0
[  479.576989][ T8502]  __se_sys_ioctl+0xf8/0x170
[  479.582104][ T8502]  do_syscall_64+0x41/0xc0
[  479.586880][ T8502]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  479.592866][ T8502] RIP: 0033:0x7f68b62c56e9
[  479.597540][ T8502] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  479.618153][ T8502] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  479.628077][ T8502] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  479.636782][ T8502] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  479.645981][ T8502] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  479.654256][ T8502] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  479.662739][ T8502] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  479.671072][ T8502]  </TASK>
[  479.704739][ T8502] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.882198][ T8505] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  479.894410][ T8505] CPU: 0 PID: 8505 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  479.904912][ T8505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  479.915341][ T8505] Call Trace:
[  479.918835][ T8505]  <TASK>
[  479.921795][ T8505]  dump_stack_lvl+0x1e7/0x2d0
[  479.926509][ T8505]  ? nf_tcp_handle_invalid+0x650/0x650
[  479.932011][ T8505]  ? panic+0x770/0x770
[  479.936148][ T8505]  sysfs_create_dir_ns+0x2ca/0x390
[  479.941311][ T8505]  ? sysfs_warn_dup+0xa0/0xa0
[  479.946111][ T8505]  kobject_add_internal+0x61d/0xc30
[  479.951587][ T8505]  kobject_add+0x152/0x210
[  479.956177][ T8505]  ? kobject_put+0x3e4/0x430
[  479.961196][ T8505]  ? kobject_init+0x1f0/0x1f0
[  479.966048][ T8505]  ? get_device_parent+0x25d/0x410
[  479.971505][ T8505]  ? device_add+0x30f/0xc90
[  479.976179][ T8505]  device_add+0x449/0xc90
[  479.981055][ T8505]  tty_register_device_attr+0x437/0x960
[  479.987927][ T8505]  ? tty_register_device+0x30/0x30
[  479.993893][ T8505]  ? gsm_dlci_alloc+0x354/0x6e0
[  479.999157][ T8505]  gsm_activate_mux+0xe9/0x290
[  480.004218][ T8505]  gsmld_ioctl+0x1858/0x25b0
[  480.008848][ T8505]  ? tomoyo_path_number_perm+0x663/0x840
[  480.014696][ T8505]  ? gsmld_write+0x120/0x120
[  480.021211][ T8505]  ? __vt_event_wait+0x240/0x240
[  480.026425][ T8505]  ? ldsem_down_read+0xb4/0xe0
[  480.031444][ T8505]  ? gsmld_write+0x120/0x120
[  480.036341][ T8505]  tty_ioctl+0x98c/0xda0
[  480.040691][ T8505]  ? security_file_ioctl+0x81/0xa0
[  480.045996][ T8505]  ? tty_get_icount+0xb0/0xb0
[  480.050979][ T8505]  __se_sys_ioctl+0xf8/0x170
[  480.055674][ T8505]  do_syscall_64+0x41/0xc0
[  480.060527][ T8505]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  480.066508][ T8505] RIP: 0033:0x7f68b62c56e9
[  480.071095][ T8505] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  480.092986][ T8505] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  480.104120][ T8505] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  480.112380][ T8505] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  480.120480][ T8505] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  480.128906][ T8505] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  480.136998][ T8505] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  480.145402][ T8505]  </TASK>
[  480.166997][ T8505] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.397985][ T8509] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.422882][ T8509] CPU: 1 PID: 8509 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  480.433374][ T8509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  480.443553][ T8509] Call Trace:
[  480.446856][ T8509]  <TASK>
[  480.449808][ T8509]  dump_stack_lvl+0x1e7/0x2d0
[  480.454539][ T8509]  ? nf_tcp_handle_invalid+0x650/0x650
[  480.460131][ T8509]  ? panic+0x770/0x770
[  480.464250][ T8509]  sysfs_create_dir_ns+0x2ca/0x390
[  480.469407][ T8509]  ? sysfs_warn_dup+0xa0/0xa0
[  480.474220][ T8509]  kobject_add_internal+0x61d/0xc30
[  480.479583][ T8509]  kobject_add+0x152/0x210
[  480.484311][ T8509]  ? kobject_put+0x3e4/0x430
[  480.489114][ T8509]  ? kobject_init+0x1f0/0x1f0
[  480.493941][ T8509]  ? get_device_parent+0x25d/0x410
[  480.499094][ T8509]  ? device_add+0x30f/0xc90
[  480.503654][ T8509]  device_add+0x449/0xc90
[  480.508031][ T8509]  tty_register_device_attr+0x437/0x960
[  480.514324][ T8509]  ? tty_register_device+0x30/0x30
[  480.520535][ T8509]  ? gsm_dlci_alloc+0x354/0x6e0
[  480.525430][ T8509]  gsm_activate_mux+0xe9/0x290
[  480.530422][ T8509]  gsmld_ioctl+0x1858/0x25b0
[  480.535273][ T8509]  ? tomoyo_path_number_perm+0x663/0x840
[  480.541071][ T8509]  ? gsmld_write+0x120/0x120
[  480.545932][ T8509]  ? __vt_event_wait+0x240/0x240
[  480.551032][ T8509]  ? ldsem_down_read+0xb4/0xe0
[  480.556153][ T8509]  ? gsmld_write+0x120/0x120
[  480.560786][ T8509]  tty_ioctl+0x98c/0xda0
[  480.565122][ T8509]  ? security_file_ioctl+0x81/0xa0
[  480.570802][ T8509]  ? tty_get_icount+0xb0/0xb0
[  480.575528][ T8509]  __se_sys_ioctl+0xf8/0x170
[  480.580300][ T8509]  do_syscall_64+0x41/0xc0
[  480.584940][ T8509]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  480.591319][ T8509] RIP: 0033:0x7f68b62c56e9
[  480.595947][ T8509] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  480.616705][ T8509] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  480.626447][ T8509] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  480.634841][ T8509] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  480.643323][ T8509] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  480.651479][ T8509] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  480.659993][ T8509] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  480.668003][ T8509]  </TASK>
[  480.672122][ T8509] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.846507][ T8512] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.862298][ T8512] CPU: 0 PID: 8512 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  480.872760][ T8512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  480.883269][ T8512] Call Trace:
[  480.886657][ T8512]  <TASK>
[  480.889618][ T8512]  dump_stack_lvl+0x1e7/0x2d0
[  480.894345][ T8512]  ? nf_tcp_handle_invalid+0x650/0x650
[  480.900361][ T8512]  ? panic+0x770/0x770
[  480.904477][ T8512]  sysfs_create_dir_ns+0x2ca/0x390
[  480.910152][ T8512]  ? sysfs_warn_dup+0xa0/0xa0
[  480.915524][ T8512]  kobject_add_internal+0x61d/0xc30
[  480.921065][ T8512]  kobject_add+0x152/0x210
[  480.926020][ T8512]  ? kobject_put+0x3e4/0x430
[  480.930696][ T8512]  ? kobject_init+0x1f0/0x1f0
[  480.935366][ T8512]  ? get_device_parent+0x25d/0x410
[  480.940474][ T8512]  ? device_add+0x30f/0xc90
[  480.945082][ T8512]  device_add+0x449/0xc90
[  480.949651][ T8512]  tty_register_device_attr+0x437/0x960
[  480.955923][ T8512]  ? tty_register_device+0x30/0x30
[  480.961262][ T8512]  ? gsm_dlci_alloc+0x354/0x6e0
[  480.966176][ T8512]  gsm_activate_mux+0xe9/0x290
[  480.971227][ T8512]  gsmld_ioctl+0x1858/0x25b0
[  480.976002][ T8512]  ? tomoyo_path_number_perm+0x663/0x840
[  480.981767][ T8512]  ? gsmld_write+0x120/0x120
[  480.986688][ T8512]  ? __vt_event_wait+0x240/0x240
[  480.992458][ T8512]  ? ldsem_down_read+0xb4/0xe0
[  480.997964][ T8512]  ? gsmld_write+0x120/0x120
[  481.002678][ T8512]  tty_ioctl+0x98c/0xda0
[  481.007237][ T8512]  ? security_file_ioctl+0x81/0xa0
[  481.012580][ T8512]  ? tty_get_icount+0xb0/0xb0
[  481.017279][ T8512]  __se_sys_ioctl+0xf8/0x170
[  481.021883][ T8512]  do_syscall_64+0x41/0xc0
[  481.026473][ T8512]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  481.032475][ T8512] RIP: 0033:0x7f68b62c56e9
[  481.036968][ T8512] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  481.057126][ T8512] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  481.065654][ T8512] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  481.073823][ T8512] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  481.082076][ T8512] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  481.090240][ T8512] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  481.099456][ T8512] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  481.107950][ T8512]  </TASK>
[  481.111702][ T8513] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  481.120866][ T8513] CPU: 0 PID: 8513 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  481.131650][ T8513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  481.142427][ T8513] Call Trace:
[  481.145834][ T8513]  <TASK>
[  481.148858][ T8513]  dump_stack_lvl+0x1e7/0x2d0
[  481.153787][ T8513]  ? nf_tcp_handle_invalid+0x650/0x650
[  481.159331][ T8513]  ? panic+0x770/0x770
[  481.163399][ T8513]  sysfs_create_dir_ns+0x2ca/0x390
[  481.168503][ T8513]  ? sysfs_warn_dup+0xa0/0xa0
[  481.173260][ T8513]  kobject_add_internal+0x61d/0xc30
[  481.178807][ T8513]  kobject_add+0x152/0x210
[  481.183313][ T8513]  ? kobject_put+0x3e4/0x430
[  481.187898][ T8513]  ? kobject_init+0x1f0/0x1f0
[  481.193135][ T8513]  ? get_device_parent+0x25d/0x410
[  481.198436][ T8513]  ? device_add+0x30f/0xc90
[  481.203131][ T8513]  device_add+0x449/0xc90
[  481.207833][ T8513]  tty_register_device_attr+0x437/0x960
[  481.213847][ T8513]  ? tty_register_device+0x30/0x30
[  481.218996][ T8513]  ? gsm_dlci_alloc+0x354/0x6e0
[  481.223984][ T8513]  gsm_activate_mux+0xe9/0x290
[  481.229052][ T8513]  gsmld_ioctl+0x1858/0x25b0
[  481.233839][ T8513]  ? tomoyo_path_number_perm+0x663/0x840
[  481.239837][ T8513]  ? gsmld_write+0x120/0x120
[  481.244701][ T8513]  ? __vt_event_wait+0x240/0x240
[  481.249727][ T8513]  ? ldsem_down_read+0xb4/0xe0
[  481.254625][ T8513]  ? gsmld_write+0x120/0x120
[  481.260359][ T8513]  tty_ioctl+0x98c/0xda0
[  481.264797][ T8513]  ? security_file_ioctl+0x81/0xa0
[  481.270091][ T8513]  ? tty_get_icount+0xb0/0xb0
[  481.274797][ T8513]  __se_sys_ioctl+0xf8/0x170
[  481.279395][ T8513]  do_syscall_64+0x41/0xc0
[  481.283845][ T8513]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  481.290967][ T8513] RIP: 0033:0x7f68b62c56e9
[  481.295583][ T8513] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  481.315794][ T8513] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  481.324284][ T8513] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  481.332534][ T8513] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  481.340668][ T8513] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  481.348715][ T8513] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  481.356848][ T8513] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  481.364959][ T8513]  </TASK>
[  481.369436][ T8512] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  481.402488][ T8513] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  481.607357][ T8516] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  481.617518][ T8516] CPU: 0 PID: 8516 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  481.630666][ T8516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  481.641976][ T8516] Call Trace:
[  481.645546][ T8516]  <TASK>
[  481.649474][ T8516]  dump_stack_lvl+0x1e7/0x2d0
[  481.654185][ T8516]  ? nf_tcp_handle_invalid+0x650/0x650
[  481.660033][ T8516]  ? panic+0x770/0x770
[  481.664145][ T8516]  sysfs_create_dir_ns+0x2ca/0x390
[  481.669379][ T8516]  ? sysfs_warn_dup+0xa0/0xa0
[  481.674268][ T8516]  kobject_add_internal+0x61d/0xc30
[  481.680318][ T8516]  kobject_add+0x152/0x210
[  481.684887][ T8516]  ? kobject_put+0x3e4/0x430
[  481.689776][ T8516]  ? kobject_init+0x1f0/0x1f0
[  481.695072][ T8516]  ? get_device_parent+0x25d/0x410
[  481.700346][ T8516]  ? device_add+0x30f/0xc90
[  481.705150][ T8516]  device_add+0x449/0xc90
[  481.709616][ T8516]  tty_register_device_attr+0x437/0x960
[  481.715371][ T8516]  ? tty_register_device+0x30/0x30
[  481.720693][ T8516]  ? gsm_dlci_alloc+0x354/0x6e0
[  481.727225][ T8516]  gsm_activate_mux+0xe9/0x290
[  481.732332][ T8516]  gsmld_ioctl+0x1858/0x25b0
[  481.737512][ T8516]  ? tomoyo_path_number_perm+0x663/0x840
[  481.743633][ T8516]  ? gsmld_write+0x120/0x120
[  481.748317][ T8516]  ? __vt_event_wait+0x240/0x240
[  481.753333][ T8516]  ? ldsem_down_read+0xb4/0xe0
[  481.758244][ T8516]  ? gsmld_write+0x120/0x120
[  481.764895][ T8516]  tty_ioctl+0x98c/0xda0
[  481.772414][ T8516]  ? security_file_ioctl+0x81/0xa0
[  481.777849][ T8516]  ? tty_get_icount+0xb0/0xb0
[  481.782829][ T8516]  __se_sys_ioctl+0xf8/0x170
[  481.787724][ T8516]  do_syscall_64+0x41/0xc0
[  481.793098][ T8516]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  481.800341][ T8516] RIP: 0033:0x7f68b62c56e9
[  481.805312][ T8516] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  481.825125][ T8516] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  481.833812][ T8516] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  481.841963][ T8516] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  481.850110][ T8516] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  481.858079][ T8516] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  481.866378][ T8516] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  481.874781][ T8516]  </TASK>
[  481.878304][ T8516] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.063865][ T8520] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.086044][ T8520] CPU: 1 PID: 8520 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  482.096370][ T8520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  482.107286][ T8520] Call Trace:
[  482.111129][ T8520]  <TASK>
[  482.115194][ T8520]  dump_stack_lvl+0x1e7/0x2d0
[  482.121202][ T8520]  ? nf_tcp_handle_invalid+0x650/0x650
[  482.126896][ T8520]  ? panic+0x770/0x770
[  482.131319][ T8520]  sysfs_create_dir_ns+0x2ca/0x390
[  482.136820][ T8520]  ? sysfs_warn_dup+0xa0/0xa0
[  482.141625][ T8520]  kobject_add_internal+0x61d/0xc30
[  482.146854][ T8520]  kobject_add+0x152/0x210
[  482.151462][ T8520]  ? kobject_put+0x3e4/0x430
[  482.156065][ T8520]  ? kobject_init+0x1f0/0x1f0
[  482.161049][ T8520]  ? get_device_parent+0x25d/0x410
[  482.166269][ T8520]  ? device_add+0x30f/0xc90
[  482.171074][ T8520]  device_add+0x449/0xc90
[  482.175691][ T8520]  tty_register_device_attr+0x437/0x960
[  482.182221][ T8520]  ? tty_register_device+0x30/0x30
[  482.188518][ T8520]  ? gsm_dlci_alloc+0x354/0x6e0
[  482.193824][ T8520]  gsm_activate_mux+0xe9/0x290
[  482.198764][ T8520]  gsmld_ioctl+0x1858/0x25b0
[  482.203695][ T8520]  ? tomoyo_path_number_perm+0x663/0x840
[  482.211181][ T8520]  ? gsmld_write+0x120/0x120
[  482.216008][ T8520]  ? __vt_event_wait+0x240/0x240
[  482.221985][ T8520]  ? ldsem_down_read+0xb4/0xe0
[  482.227486][ T8520]  ? gsmld_write+0x120/0x120
[  482.232617][ T8520]  tty_ioctl+0x98c/0xda0
[  482.238018][ T8520]  ? security_file_ioctl+0x81/0xa0
[  482.243942][ T8520]  ? tty_get_icount+0xb0/0xb0
[  482.249056][ T8520]  __se_sys_ioctl+0xf8/0x170
[  482.253660][ T8520]  do_syscall_64+0x41/0xc0
[  482.258167][ T8520]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  482.264060][ T8520] RIP: 0033:0x7f68b62c56e9
[  482.268831][ T8520] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  482.290173][ T8520] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  482.298720][ T8520] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  482.307386][ T8520] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  482.315768][ T8520] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  482.325306][ T8520] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  482.333544][ T8520] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  482.341521][ T8520]  </TASK>
[  482.370444][ T8520] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.577855][ T8523] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.590802][ T8523] CPU: 0 PID: 8523 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  482.601796][ T8523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  482.613767][ T8523] Call Trace:
[  482.617354][ T8523]  <TASK>
[  482.620929][ T8523]  dump_stack_lvl+0x1e7/0x2d0
[  482.627029][ T8523]  ? nf_tcp_handle_invalid+0x650/0x650
[  482.632773][ T8523]  ? panic+0x770/0x770
[  482.636964][ T8523]  sysfs_create_dir_ns+0x2ca/0x390
[  482.642230][ T8523]  ? sysfs_warn_dup+0xa0/0xa0
[  482.646965][ T8523]  kobject_add_internal+0x61d/0xc30
[  482.652191][ T8523]  kobject_add+0x152/0x210
[  482.656803][ T8523]  ? kobject_put+0x3e4/0x430
[  482.661765][ T8523]  ? kobject_init+0x1f0/0x1f0
[  482.666636][ T8523]  ? get_device_parent+0x25d/0x410
[  482.672030][ T8523]  ? device_add+0x30f/0xc90
[  482.677411][ T8523]  device_add+0x449/0xc90
[  482.681913][ T8523]  tty_register_device_attr+0x437/0x960
[  482.687733][ T8523]  ? tty_register_device+0x30/0x30
[  482.693147][ T8523]  ? gsm_dlci_alloc+0x354/0x6e0
[  482.698374][ T8523]  gsm_activate_mux+0xe9/0x290
[  482.703369][ T8523]  gsmld_ioctl+0x1858/0x25b0
[  482.707976][ T8523]  ? tomoyo_path_number_perm+0x663/0x840
[  482.713737][ T8523]  ? gsmld_write+0x120/0x120
[  482.718443][ T8523]  ? __vt_event_wait+0x240/0x240
[  482.723413][ T8523]  ? ldsem_down_read+0xb4/0xe0
[  482.728536][ T8523]  ? gsmld_write+0x120/0x120
[  482.733307][ T8523]  tty_ioctl+0x98c/0xda0
[  482.737749][ T8523]  ? security_file_ioctl+0x81/0xa0
[  482.743077][ T8523]  ? tty_get_icount+0xb0/0xb0
[  482.748025][ T8523]  __se_sys_ioctl+0xf8/0x170
[  482.752624][ T8523]  do_syscall_64+0x41/0xc0
[  482.757039][ T8523]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  482.764248][ T8523] RIP: 0033:0x7f68b62c56e9
[  482.770230][ T8523] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  482.791087][ T8523] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  482.799814][ T8523] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  482.808425][ T8523] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  482.817507][ T8523] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  482.826887][ T8523] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  482.834884][ T8523] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  482.843130][ T8523]  </TASK>
[  482.847506][ T8523] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.859689][ T8524] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.870523][ T8524] CPU: 0 PID: 8524 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  482.880609][ T8524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  482.892593][ T8524] Call Trace:
[  482.895990][ T8524]  <TASK>
[  482.898988][ T8524]  dump_stack_lvl+0x1e7/0x2d0
[  482.903988][ T8524]  ? nf_tcp_handle_invalid+0x650/0x650
[  482.910168][ T8524]  ? panic+0x770/0x770
[  482.914447][ T8524]  sysfs_create_dir_ns+0x2ca/0x390
[  482.919764][ T8524]  ? sysfs_warn_dup+0xa0/0xa0
[  482.924838][ T8524]  kobject_add_internal+0x61d/0xc30
[  482.930280][ T8524]  kobject_add+0x152/0x210
[  482.934993][ T8524]  ? kobject_put+0x3e4/0x430
[  482.939734][ T8524]  ? kobject_init+0x1f0/0x1f0
[  482.944620][ T8524]  ? get_device_parent+0x25d/0x410
[  482.949768][ T8524]  ? device_add+0x30f/0xc90
[  482.954389][ T8524]  device_add+0x449/0xc90
[  482.959070][ T8524]  tty_register_device_attr+0x437/0x960
[  482.964819][ T8524]  ? tty_register_device+0x30/0x30
[  482.970038][ T8524]  ? gsm_dlci_alloc+0x354/0x6e0
[  482.975234][ T8524]  gsm_activate_mux+0xe9/0x290
[  482.980026][ T8524]  gsmld_ioctl+0x1858/0x25b0
[  482.985191][ T8524]  ? tomoyo_path_number_perm+0x663/0x840
[  482.991724][ T8524]  ? gsmld_write+0x120/0x120
[  482.997341][ T8524]  ? __vt_event_wait+0x240/0x240
[  483.002683][ T8524]  ? ldsem_down_read+0xb4/0xe0
[  483.007788][ T8524]  ? gsmld_write+0x120/0x120
[  483.012507][ T8524]  tty_ioctl+0x98c/0xda0
[  483.016768][ T8524]  ? security_file_ioctl+0x81/0xa0
[  483.022634][ T8524]  ? tty_get_icount+0xb0/0xb0
[  483.027692][ T8524]  __se_sys_ioctl+0xf8/0x170
[  483.032475][ T8524]  do_syscall_64+0x41/0xc0
[  483.036912][ T8524]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  483.042976][ T8524] RIP: 0033:0x7f68b62c56e9
[  483.047864][ T8524] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  483.067659][ T8524] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  483.077701][ T8524] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  483.085874][ T8524] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  483.095098][ T8524] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  483.103339][ T8524] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  483.111685][ T8524] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  483.120536][ T8524]  </TASK>
[  483.134091][ T8524] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.331438][ T8527] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  483.359168][ T8527] CPU: 1 PID: 8527 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  483.370698][ T8527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  483.382323][ T8527] Call Trace:
[  483.385945][ T8527]  <TASK>
[  483.389594][ T8527]  dump_stack_lvl+0x1e7/0x2d0
[  483.394423][ T8527]  ? nf_tcp_handle_invalid+0x650/0x650
[  483.400102][ T8527]  ? panic+0x770/0x770
[  483.404909][ T8527]  sysfs_create_dir_ns+0x2ca/0x390
[  483.410322][ T8527]  ? sysfs_warn_dup+0xa0/0xa0
[  483.415736][ T8527]  kobject_add_internal+0x61d/0xc30
[  483.420976][ T8527]  kobject_add+0x152/0x210
[  483.425906][ T8527]  ? kobject_put+0x3e4/0x430
[  483.430845][ T8527]  ? kobject_init+0x1f0/0x1f0
[  483.436640][ T8527]  ? get_device_parent+0x25d/0x410
[  483.442067][ T8527]  ? device_add+0x30f/0xc90
[  483.447666][ T8527]  device_add+0x449/0xc90
[  483.452260][ T8527]  tty_register_device_attr+0x437/0x960
[  483.458568][ T8527]  ? tty_register_device+0x30/0x30
[  483.465311][ T8527]  ? gsm_dlci_alloc+0x354/0x6e0
[  483.471062][ T8527]  gsm_activate_mux+0xe9/0x290
[  483.476363][ T8527]  gsmld_ioctl+0x1858/0x25b0
[  483.481195][ T8527]  ? tomoyo_path_number_perm+0x663/0x840
[  483.487183][ T8527]  ? gsmld_write+0x120/0x120
[  483.491973][ T8527]  ? __vt_event_wait+0x240/0x240
[  483.497228][ T8527]  ? ldsem_down_read+0xb4/0xe0
[  483.502476][ T8527]  ? gsmld_write+0x120/0x120
[  483.507189][ T8527]  tty_ioctl+0x98c/0xda0
[  483.511888][ T8527]  ? security_file_ioctl+0x81/0xa0
[  483.519394][ T8527]  ? tty_get_icount+0xb0/0xb0
[  483.524818][ T8527]  __se_sys_ioctl+0xf8/0x170
[  483.530923][ T8527]  do_syscall_64+0x41/0xc0
[  483.536733][ T8527]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  483.544553][ T8527] RIP: 0033:0x7f68b62c56e9
[  483.549678][ T8527] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  483.571650][ T8527] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  483.581408][ T8527] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  483.590967][ T8527] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  483.603074][ T8527] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  483.611497][ T8527] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  483.621168][ T8527] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  483.629679][ T8527]  </TASK>
[  483.633218][ T8527] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.809292][ T8530] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  483.819287][ T8530] CPU: 1 PID: 8530 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  483.829921][ T8530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  483.840175][ T8530] Call Trace:
[  483.843485][ T8530]  <TASK>
[  483.846436][ T8530]  dump_stack_lvl+0x1e7/0x2d0
[  483.851580][ T8530]  ? nf_tcp_handle_invalid+0x650/0x650
[  483.857243][ T8530]  ? panic+0x770/0x770
[  483.861363][ T8530]  sysfs_create_dir_ns+0x2ca/0x390
[  483.866594][ T8530]  ? sysfs_warn_dup+0xa0/0xa0
[  483.871666][ T8530]  kobject_add_internal+0x61d/0xc30
[  483.877267][ T8530]  kobject_add+0x152/0x210
[  483.881912][ T8530]  ? kobject_put+0x3e4/0x430
[  483.886628][ T8530]  ? kobject_init+0x1f0/0x1f0
[  483.891369][ T8530]  ? get_device_parent+0x25d/0x410
[  483.896686][ T8530]  ? device_add+0x30f/0xc90
[  483.901228][ T8530]  device_add+0x449/0xc90
[  483.905680][ T8530]  tty_register_device_attr+0x437/0x960
[  483.911362][ T8530]  ? tty_register_device+0x30/0x30
[  483.916700][ T8530]  ? gsm_dlci_alloc+0x354/0x6e0
[  483.921601][ T8530]  gsm_activate_mux+0xe9/0x290
[  483.926499][ T8530]  gsmld_ioctl+0x1858/0x25b0
[  483.931396][ T8530]  ? tomoyo_path_number_perm+0x663/0x840
[  483.937948][ T8530]  ? gsmld_write+0x120/0x120
[  483.942873][ T8530]  ? __vt_event_wait+0x240/0x240
[  483.948695][ T8530]  ? ldsem_down_read+0xb4/0xe0
[  483.953844][ T8530]  ? gsmld_write+0x120/0x120
[  483.958552][ T8530]  tty_ioctl+0x98c/0xda0
[  483.962838][ T8530]  ? security_file_ioctl+0x81/0xa0
[  483.968330][ T8530]  ? tty_get_icount+0xb0/0xb0
[  483.973213][ T8530]  __se_sys_ioctl+0xf8/0x170
[  483.978668][ T8530]  do_syscall_64+0x41/0xc0
[  483.983826][ T8530]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  483.990969][ T8530] RIP: 0033:0x7f68b62c56e9
[  483.995877][ T8530] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  484.018459][ T8530] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  484.027488][ T8530] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  484.036503][ T8530] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  484.044830][ T8530] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  484.053888][ T8530] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  484.062367][ T8530] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  484.071008][ T8530]  </TASK>
[  484.080897][ T8530] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.261511][ T8534] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  484.273598][ T8534] CPU: 1 PID: 8534 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  484.284062][ T8534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  484.295196][ T8534] Call Trace:
[  484.298871][ T8534]  <TASK>
[  484.301819][ T8534]  dump_stack_lvl+0x1e7/0x2d0
[  484.307051][ T8534]  ? nf_tcp_handle_invalid+0x650/0x650
[  484.312808][ T8534]  ? panic+0x770/0x770
[  484.317090][ T8534]  sysfs_create_dir_ns+0x2ca/0x390
[  484.322331][ T8534]  ? sysfs_warn_dup+0xa0/0xa0
[  484.327499][ T8534]  kobject_add_internal+0x61d/0xc30
[  484.332820][ T8534]  kobject_add+0x152/0x210
[  484.337630][ T8534]  ? kobject_put+0x3e4/0x430
[  484.343036][ T8534]  ? kobject_init+0x1f0/0x1f0
[  484.348281][ T8534]  ? get_device_parent+0x25d/0x410
[  484.353776][ T8534]  ? device_add+0x30f/0xc90
[  484.358325][ T8534]  device_add+0x449/0xc90
[  484.362860][ T8534]  tty_register_device_attr+0x437/0x960
[  484.369064][ T8534]  ? tty_register_device+0x30/0x30
[  484.374749][ T8534]  ? gsm_dlci_alloc+0x354/0x6e0
[  484.379915][ T8534]  gsm_activate_mux+0xe9/0x290
[  484.385420][ T8534]  gsmld_ioctl+0x1858/0x25b0
[  484.390583][ T8534]  ? tomoyo_path_number_perm+0x663/0x840
[  484.396570][ T8534]  ? gsmld_write+0x120/0x120
[  484.402534][ T8534]  ? __vt_event_wait+0x240/0x240
[  484.408302][ T8534]  ? ldsem_down_read+0xb4/0xe0
[  484.413195][ T8534]  ? gsmld_write+0x120/0x120
[  484.418258][ T8534]  tty_ioctl+0x98c/0xda0
[  484.422560][ T8534]  ? security_file_ioctl+0x81/0xa0
[  484.428575][ T8534]  ? tty_get_icount+0xb0/0xb0
[  484.434265][ T8534]  __se_sys_ioctl+0xf8/0x170
[  484.438991][ T8534]  do_syscall_64+0x41/0xc0
[  484.444048][ T8534]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  484.450251][ T8534] RIP: 0033:0x7f68b62c56e9
[  484.454872][ T8534] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  484.474666][ T8534] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  484.483349][ T8534] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  484.491504][ T8534] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  484.499659][ T8534] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  484.507638][ T8534] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  484.515704][ T8534] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  484.523789][ T8534]  </TASK>
[  484.527212][ T8534] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.706082][ T8537] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  484.714987][ T8537] CPU: 0 PID: 8537 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  484.725180][ T8537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  484.735921][ T8537] Call Trace:
[  484.739242][ T8537]  <TASK>
[  484.742424][ T8537]  dump_stack_lvl+0x1e7/0x2d0
[  484.747139][ T8537]  ? nf_tcp_handle_invalid+0x650/0x650
[  484.752711][ T8537]  ? panic+0x770/0x770
[  484.756995][ T8537]  sysfs_create_dir_ns+0x2ca/0x390
[  484.763400][ T8537]  ? sysfs_warn_dup+0xa0/0xa0
[  484.769276][ T8537]  kobject_add_internal+0x61d/0xc30
[  484.774808][ T8537]  kobject_add+0x152/0x210
[  484.779358][ T8537]  ? kobject_put+0x3e4/0x430
[  484.783987][ T8537]  ? kobject_init+0x1f0/0x1f0
[  484.788706][ T8537]  ? get_device_parent+0x25d/0x410
[  484.793941][ T8537]  ? device_add+0x30f/0xc90
[  484.798481][ T8537]  device_add+0x449/0xc90
[  484.802856][ T8537]  tty_register_device_attr+0x437/0x960
[  484.808793][ T8537]  ? tty_register_device+0x30/0x30
[  484.814473][ T8537]  ? gsm_dlci_alloc+0x354/0x6e0
[  484.819624][ T8537]  gsm_activate_mux+0xe9/0x290
[  484.824456][ T8537]  gsmld_ioctl+0x1858/0x25b0
[  484.829177][ T8537]  ? tomoyo_path_number_perm+0x663/0x840
[  484.834856][ T8537]  ? gsmld_write+0x120/0x120
[  484.839480][ T8537]  ? __vt_event_wait+0x240/0x240
[  484.844469][ T8537]  ? ldsem_down_read+0xb4/0xe0
[  484.849271][ T8537]  ? gsmld_write+0x120/0x120
[  484.853903][ T8537]  tty_ioctl+0x98c/0xda0
[  484.858200][ T8537]  ? security_file_ioctl+0x81/0xa0
[  484.863609][ T8537]  ? tty_get_icount+0xb0/0xb0
[  484.868677][ T8537]  __se_sys_ioctl+0xf8/0x170
[  484.873313][ T8537]  do_syscall_64+0x41/0xc0
[  484.878026][ T8537]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  484.883953][ T8537] RIP: 0033:0x7f68b62c56e9
[  484.888761][ T8537] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  484.911263][ T8537] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  484.920620][ T8537] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  484.928873][ T8537] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  484.937024][ T8537] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  484.945003][ T8537] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  484.953782][ T8537] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  484.962520][ T8537]  </TASK>
[  484.966091][ T8537] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.161354][ T8540] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.188372][ T8540] CPU: 1 PID: 8540 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  485.199312][ T8540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  485.209665][ T8540] Call Trace:
[  485.213212][ T8540]  <TASK>
[  485.216608][ T8540]  dump_stack_lvl+0x1e7/0x2d0
[  485.221410][ T8540]  ? nf_tcp_handle_invalid+0x650/0x650
[  485.227232][ T8540]  ? panic+0x770/0x770
[  485.231438][ T8540]  sysfs_create_dir_ns+0x2ca/0x390
[  485.237311][ T8540]  ? sysfs_warn_dup+0xa0/0xa0
[  485.242106][ T8540]  kobject_add_internal+0x61d/0xc30
[  485.247357][ T8540]  kobject_add+0x152/0x210
[  485.251973][ T8540]  ? kobject_put+0x3e4/0x430
[  485.256568][ T8540]  ? kobject_init+0x1f0/0x1f0
[  485.261510][ T8540]  ? get_device_parent+0x25d/0x410
[  485.266719][ T8540]  ? device_add+0x30f/0xc90
[  485.271244][ T8540]  device_add+0x449/0xc90
[  485.275769][ T8540]  tty_register_device_attr+0x437/0x960
[  485.281349][ T8540]  ? tty_register_device+0x30/0x30
[  485.286699][ T8540]  ? gsm_dlci_alloc+0x354/0x6e0
[  485.291742][ T8540]  gsm_activate_mux+0xe9/0x290
[  485.296770][ T8540]  gsmld_ioctl+0x1858/0x25b0
[  485.301438][ T8540]  ? tomoyo_path_number_perm+0x663/0x840
[  485.307194][ T8540]  ? gsmld_write+0x120/0x120
[  485.311794][ T8540]  ? __vt_event_wait+0x240/0x240
[  485.316823][ T8540]  ? ldsem_down_read+0xb4/0xe0
[  485.321584][ T8540]  ? gsmld_write+0x120/0x120
[  485.326173][ T8540]  tty_ioctl+0x98c/0xda0
[  485.330410][ T8540]  ? security_file_ioctl+0x81/0xa0
[  485.335534][ T8540]  ? tty_get_icount+0xb0/0xb0
[  485.340208][ T8540]  __se_sys_ioctl+0xf8/0x170
[  485.344790][ T8540]  do_syscall_64+0x41/0xc0
[  485.349380][ T8540]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  485.355353][ T8540] RIP: 0033:0x7f68b62c56e9
[  485.360023][ T8540] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  485.379816][ T8540] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  485.388509][ T8540] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  485.396914][ T8540] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  485.405039][ T8540] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  485.413051][ T8540] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  485.421615][ T8540] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  485.430308][ T8540]  </TASK>
[  485.438578][ T8541] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.448735][ T8541] CPU: 0 PID: 8541 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  485.459119][ T8541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  485.469168][ T8541] Call Trace:
[  485.472441][ T8541]  <TASK>
[  485.475537][ T8541]  dump_stack_lvl+0x1e7/0x2d0
[  485.480472][ T8541]  ? nf_tcp_handle_invalid+0x650/0x650
[  485.486012][ T8541]  ? panic+0x770/0x770
[  485.490127][ T8541]  sysfs_create_dir_ns+0x2ca/0x390
[  485.495289][ T8541]  ? sysfs_warn_dup+0xa0/0xa0
[  485.499997][ T8541]  kobject_add_internal+0x61d/0xc30
[  485.505392][ T8541]  kobject_add+0x152/0x210
[  485.509926][ T8541]  ? kobject_put+0x3e4/0x430
[  485.514818][ T8541]  ? kobject_init+0x1f0/0x1f0
[  485.519600][ T8541]  ? get_device_parent+0x25d/0x410
[  485.524879][ T8541]  ? device_add+0x30f/0xc90
[  485.529374][ T8541]  device_add+0x449/0xc90
[  485.533703][ T8541]  tty_register_device_attr+0x437/0x960
[  485.539434][ T8541]  ? tty_register_device+0x30/0x30
[  485.545416][ T8541]  ? gsm_dlci_alloc+0x354/0x6e0
[  485.550437][ T8541]  gsm_activate_mux+0xe9/0x290
[  485.555197][ T8541]  gsmld_ioctl+0x1858/0x25b0
[  485.560176][ T8541]  ? tomoyo_path_number_perm+0x663/0x840
[  485.565841][ T8541]  ? gsmld_write+0x120/0x120
[  485.570784][ T8541]  ? __vt_event_wait+0x240/0x240
[  485.575847][ T8541]  ? ldsem_down_read+0xb4/0xe0
[  485.581309][ T8541]  ? gsmld_write+0x120/0x120
[  485.585927][ T8541]  tty_ioctl+0x98c/0xda0
[  485.590465][ T8541]  ? security_file_ioctl+0x81/0xa0
[  485.595866][ T8541]  ? tty_get_icount+0xb0/0xb0
[  485.601452][ T8541]  __se_sys_ioctl+0xf8/0x170
[  485.606422][ T8541]  do_syscall_64+0x41/0xc0
[  485.611052][ T8541]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  485.617046][ T8541] RIP: 0033:0x7f68b62c56e9
[  485.621730][ T8541] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  485.641419][ T8541] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  485.649847][ T8541] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  485.657899][ T8541] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  485.665856][ T8541] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  485.674204][ T8541] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  485.682276][ T8541] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  485.690343][ T8541]  </TASK>
[  485.694549][ T8540] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.738047][ T8541] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.898007][ T8544] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.923302][ T8544] CPU: 1 PID: 8544 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  485.933512][ T8544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  485.943775][ T8544] Call Trace:
[  485.947252][ T8544]  <TASK>
[  485.950208][ T8544]  dump_stack_lvl+0x1e7/0x2d0
[  485.955099][ T8544]  ? nf_tcp_handle_invalid+0x650/0x650
[  485.960680][ T8544]  ? panic+0x770/0x770
[  485.964780][ T8544]  sysfs_create_dir_ns+0x2ca/0x390
[  485.969937][ T8544]  ? sysfs_warn_dup+0xa0/0xa0
[  485.974732][ T8544]  kobject_add_internal+0x61d/0xc30
[  485.980144][ T8544]  kobject_add+0x152/0x210
[  485.984598][ T8544]  ? kobject_put+0x3e4/0x430
[  485.989220][ T8544]  ? kobject_init+0x1f0/0x1f0
[  485.994112][ T8544]  ? get_device_parent+0x25d/0x410
[  485.999257][ T8544]  ? device_add+0x30f/0xc90
[  486.003897][ T8544]  device_add+0x449/0xc90
[  486.008447][ T8544]  tty_register_device_attr+0x437/0x960
[  486.014209][ T8544]  ? tty_register_device+0x30/0x30
[  486.019359][ T8544]  ? gsm_dlci_alloc+0x354/0x6e0
[  486.024334][ T8544]  gsm_activate_mux+0xe9/0x290
[  486.029223][ T8544]  gsmld_ioctl+0x1858/0x25b0
[  486.034376][ T8544]  ? tomoyo_path_number_perm+0x663/0x840
[  486.040150][ T8544]  ? gsmld_write+0x120/0x120
[  486.044781][ T8544]  ? __vt_event_wait+0x240/0x240
[  486.049764][ T8544]  ? ldsem_down_read+0xb4/0xe0
[  486.054564][ T8544]  ? gsmld_write+0x120/0x120
[  486.059287][ T8544]  tty_ioctl+0x98c/0xda0
[  486.063559][ T8544]  ? security_file_ioctl+0x81/0xa0
[  486.068870][ T8544]  ? tty_get_icount+0xb0/0xb0
[  486.073567][ T8544]  __se_sys_ioctl+0xf8/0x170
[  486.078160][ T8544]  do_syscall_64+0x41/0xc0
[  486.082587][ T8544]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  486.088497][ T8544] RIP: 0033:0x7f68b62c56e9
[  486.092916][ T8544] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  486.112610][ T8544] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  486.121013][ T8544] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  486.129088][ T8544] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  486.137144][ T8544] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  486.145147][ T8544] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  486.153430][ T8544] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  486.161491][ T8544]  </TASK>
[  486.165498][ T8544] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.335357][ T8547] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  486.347972][ T8547] CPU: 1 PID: 8547 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  486.358355][ T8547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  486.368528][ T8547] Call Trace:
[  486.371834][ T8547]  <TASK>
[  486.374793][ T8547]  dump_stack_lvl+0x1e7/0x2d0
[  486.379499][ T8547]  ? nf_tcp_handle_invalid+0x650/0x650
[  486.384986][ T8547]  ? panic+0x770/0x770
[  486.389089][ T8547]  sysfs_create_dir_ns+0x2ca/0x390
[  486.394326][ T8547]  ? sysfs_warn_dup+0xa0/0xa0
[  486.399218][ T8547]  kobject_add_internal+0x61d/0xc30
[  486.404900][ T8547]  kobject_add+0x152/0x210
[  486.409353][ T8547]  ? kobject_put+0x3e4/0x430
[  486.414399][ T8547]  ? kobject_init+0x1f0/0x1f0
[  486.419094][ T8547]  ? get_device_parent+0x25d/0x410
[  486.424205][ T8547]  ? device_add+0x30f/0xc90
[  486.428982][ T8547]  device_add+0x449/0xc90
[  486.433428][ T8547]  tty_register_device_attr+0x437/0x960
[  486.438999][ T8547]  ? tty_register_device+0x30/0x30
[  486.444113][ T8547]  ? gsm_dlci_alloc+0x354/0x6e0
[  486.449047][ T8547]  gsm_activate_mux+0xe9/0x290
[  486.453895][ T8547]  gsmld_ioctl+0x1858/0x25b0
[  486.458748][ T8547]  ? tomoyo_path_number_perm+0x663/0x840
[  486.464403][ T8547]  ? gsmld_write+0x120/0x120
[  486.469586][ T8547]  ? __vt_event_wait+0x240/0x240
[  486.474699][ T8547]  ? ldsem_down_read+0xb4/0xe0
[  486.479724][ T8547]  ? gsmld_write+0x120/0x120
[  486.484483][ T8547]  tty_ioctl+0x98c/0xda0
[  486.488754][ T8547]  ? security_file_ioctl+0x81/0xa0
[  486.494303][ T8547]  ? tty_get_icount+0xb0/0xb0
[  486.499146][ T8547]  __se_sys_ioctl+0xf8/0x170
[  486.503731][ T8547]  do_syscall_64+0x41/0xc0
[  486.508233][ T8547]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  486.514569][ T8547] RIP: 0033:0x7f68b62c56e9
[  486.519070][ T8547] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  486.538758][ T8547] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  486.547161][ T8547] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  486.555128][ T8547] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  486.563352][ T8547] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  486.571575][ T8547] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  486.579662][ T8547] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  486.587890][ T8547]  </TASK>
[  486.592930][ T8547] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.603068][ T8548] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  486.619788][ T8548] CPU: 0 PID: 8548 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  486.630076][ T8548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  486.640325][ T8548] Call Trace:
[  486.643628][ T8548]  <TASK>
[  486.646692][ T8548]  dump_stack_lvl+0x1e7/0x2d0
[  486.651856][ T8548]  ? nf_tcp_handle_invalid+0x650/0x650
[  486.658052][ T8548]  ? panic+0x770/0x770
[  486.662261][ T8548]  sysfs_create_dir_ns+0x2ca/0x390
[  486.667409][ T8548]  ? sysfs_warn_dup+0xa0/0xa0
[  486.672125][ T8548]  kobject_add_internal+0x61d/0xc30
[  486.677369][ T8548]  kobject_add+0x152/0x210
[  486.681825][ T8548]  ? kobject_put+0x3e4/0x430
[  486.686532][ T8548]  ? kobject_init+0x1f0/0x1f0
[  486.691336][ T8548]  ? get_device_parent+0x25d/0x410
[  486.696655][ T8548]  ? device_add+0x30f/0xc90
[  486.701337][ T8548]  device_add+0x449/0xc90
[  486.705788][ T8548]  tty_register_device_attr+0x437/0x960
[  486.711375][ T8548]  ? tty_register_device+0x30/0x30
[  486.716648][ T8548]  ? gsm_dlci_alloc+0x354/0x6e0
[  486.721607][ T8548]  gsm_activate_mux+0xe9/0x290
[  486.726543][ T8548]  gsmld_ioctl+0x1858/0x25b0
[  486.731122][ T8548]  ? tomoyo_path_number_perm+0x663/0x840
[  486.736857][ T8548]  ? gsmld_write+0x120/0x120
[  486.741530][ T8548]  ? __vt_event_wait+0x240/0x240
[  486.746464][ T8548]  ? ldsem_down_read+0xb4/0xe0
[  486.751216][ T8548]  ? gsmld_write+0x120/0x120
[  486.755819][ T8548]  tty_ioctl+0x98c/0xda0
[  486.760071][ T8548]  ? security_file_ioctl+0x81/0xa0
[  486.765170][ T8548]  ? tty_get_icount+0xb0/0xb0
[  486.769923][ T8548]  __se_sys_ioctl+0xf8/0x170
[  486.774516][ T8548]  do_syscall_64+0x41/0xc0
[  486.778964][ T8548]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  486.785104][ T8548] RIP: 0033:0x7f68b62c56e9
[  486.789512][ T8548] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  486.810154][ T8548] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  486.818617][ T8548] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  486.826771][ T8548] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  486.835212][ T8548] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  486.843237][ T8548] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  486.851192][ T8548] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  486.859263][ T8548]  </TASK>
[  486.865101][ T8548] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  487.033380][ T8551] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  487.055354][ T8551] CPU: 1 PID: 8551 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  487.065552][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  487.075637][ T8551] Call Trace:
[  487.079135][ T8551]  <TASK>
[  487.082079][ T8551]  dump_stack_lvl+0x1e7/0x2d0
[  487.086905][ T8551]  ? nf_tcp_handle_invalid+0x650/0x650
[  487.092484][ T8551]  ? panic+0x770/0x770
[  487.096688][ T8551]  sysfs_create_dir_ns+0x2ca/0x390
[  487.101842][ T8551]  ? sysfs_warn_dup+0xa0/0xa0
[  487.106651][ T8551]  kobject_add_internal+0x61d/0xc30
[  487.112348][ T8551]  kobject_add+0x152/0x210
[  487.116765][ T8551]  ? kobject_put+0x3e4/0x430
[  487.121348][ T8551]  ? kobject_init+0x1f0/0x1f0
[  487.126110][ T8551]  ? get_device_parent+0x25d/0x410
[  487.131215][ T8551]  ? device_add+0x30f/0xc90
[  487.135793][ T8551]  device_add+0x449/0xc90
[  487.140148][ T8551]  tty_register_device_attr+0x437/0x960
[  487.145873][ T8551]  ? tty_register_device+0x30/0x30
[  487.150979][ T8551]  ? gsm_dlci_alloc+0x354/0x6e0
[  487.155915][ T8551]  gsm_activate_mux+0xe9/0x290
[  487.160675][ T8551]  gsmld_ioctl+0x1858/0x25b0
[  487.165353][ T8551]  ? tomoyo_path_number_perm+0x663/0x840
[  487.170988][ T8551]  ? gsmld_write+0x120/0x120
[  487.175571][ T8551]  ? __vt_event_wait+0x240/0x240
[  487.180601][ T8551]  ? ldsem_down_read+0xb4/0xe0
[  487.185363][ T8551]  ? gsmld_write+0x120/0x120
[  487.189955][ T8551]  tty_ioctl+0x98c/0xda0
[  487.194189][ T8551]  ? security_file_ioctl+0x81/0xa0
[  487.199291][ T8551]  ? tty_get_icount+0xb0/0xb0
[  487.204048][ T8551]  __se_sys_ioctl+0xf8/0x170
[  487.208747][ T8551]  do_syscall_64+0x41/0xc0
[  487.213158][ T8551]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  487.219092][ T8551] RIP: 0033:0x7f68b62c56e9
[  487.223496][ T8551] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  487.243368][ T8551] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  487.251946][ T8551] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  487.260089][ T8551] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  487.268046][ T8551] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  487.276012][ T8551] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  487.283971][ T8551] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  487.291939][ T8551]  </TASK>
[  487.299070][ T8551] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  487.329313][ T8552] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  487.338166][ T8552] CPU: 1 PID: 8552 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  487.348350][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  487.358427][ T8552] Call Trace:
[  487.361814][ T8552]  <TASK>
[  487.364762][ T8552]  dump_stack_lvl+0x1e7/0x2d0
[  487.369485][ T8552]  ? nf_tcp_handle_invalid+0x650/0x650
[  487.374976][ T8552]  ? panic+0x770/0x770
[  487.379081][ T8552]  sysfs_create_dir_ns+0x2ca/0x390
[  487.384216][ T8552]  ? sysfs_warn_dup+0xa0/0xa0
[  487.388936][ T8552]  kobject_add_internal+0x61d/0xc30
[  487.394171][ T8552]  kobject_add+0x152/0x210
[  487.398787][ T8552]  ? kobject_put+0x3e4/0x430
[  487.403404][ T8552]  ? kobject_init+0x1f0/0x1f0
[  487.408162][ T8552]  ? get_device_parent+0x25d/0x410
[  487.413270][ T8552]  ? device_add+0x30f/0xc90
[  487.417869][ T8552]  device_add+0x449/0xc90
[  487.422910][ T8552]  tty_register_device_attr+0x437/0x960
[  487.428471][ T8552]  ? tty_register_device+0x30/0x30
[  487.433676][ T8552]  ? gsm_dlci_alloc+0x354/0x6e0
[  487.438537][ T8552]  gsm_activate_mux+0xe9/0x290
[  487.443321][ T8552]  gsmld_ioctl+0x1858/0x25b0
[  487.447909][ T8552]  ? tomoyo_path_number_perm+0x663/0x840
[  487.453544][ T8552]  ? gsmld_write+0x120/0x120
[  487.458149][ T8552]  ? __vt_event_wait+0x240/0x240
[  487.463173][ T8552]  ? ldsem_down_read+0xb4/0xe0
[  487.468237][ T8552]  ? gsmld_write+0x120/0x120
[  487.472819][ T8552]  tty_ioctl+0x98c/0xda0
[  487.477153][ T8552]  ? security_file_ioctl+0x81/0xa0
[  487.482346][ T8552]  ? tty_get_icount+0xb0/0xb0
[  487.487111][ T8552]  __se_sys_ioctl+0xf8/0x170
[  487.491855][ T8552]  do_syscall_64+0x41/0xc0
[  487.496281][ T8552]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  487.502187][ T8552] RIP: 0033:0x7f68b62c56e9
[  487.507182][ T8552] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  487.527229][ T8552] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  487.535811][ T8552] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  487.544041][ T8552] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  487.552385][ T8552] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  487.560347][ T8552] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  487.568688][ T8552] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  487.577015][ T8552]  </TASK>
[  487.581051][ T8552] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  487.747604][ T8555] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  487.756513][ T8555] CPU: 1 PID: 8555 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  487.766887][ T8555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  487.777051][ T8555] Call Trace:
[  487.780440][ T8555]  <TASK>
[  487.783390][ T8555]  dump_stack_lvl+0x1e7/0x2d0
[  487.788184][ T8555]  ? nf_tcp_handle_invalid+0x650/0x650
[  487.793677][ T8555]  ? panic+0x770/0x770
[  487.797779][ T8555]  sysfs_create_dir_ns+0x2ca/0x390
[  487.802904][ T8555]  ? sysfs_warn_dup+0xa0/0xa0
[  487.807751][ T8555]  kobject_add_internal+0x61d/0xc30
[  487.812953][ T8555]  kobject_add+0x152/0x210
[  487.817373][ T8555]  ? kobject_put+0x3e4/0x430
[  487.822087][ T8555]  ? kobject_init+0x1f0/0x1f0
[  487.826862][ T8555]  ? get_device_parent+0x25d/0x410
[  487.832052][ T8555]  ? device_add+0x30f/0xc90
[  487.836633][ T8555]  device_add+0x449/0xc90
[  487.840954][ T8555]  tty_register_device_attr+0x437/0x960
[  487.846671][ T8555]  ? tty_register_device+0x30/0x30
[  487.851863][ T8555]  ? gsm_dlci_alloc+0x354/0x6e0
[  487.856879][ T8555]  gsm_activate_mux+0xe9/0x290
[  487.861636][ T8555]  gsmld_ioctl+0x1858/0x25b0
[  487.866219][ T8555]  ? tomoyo_path_number_perm+0x663/0x840
[  487.872027][ T8555]  ? gsmld_write+0x120/0x120
[  487.876616][ T8555]  ? __vt_event_wait+0x240/0x240
[  487.881556][ T8555]  ? ldsem_down_read+0xb4/0xe0
[  487.886316][ T8555]  ? gsmld_write+0x120/0x120
[  487.890984][ T8555]  tty_ioctl+0x98c/0xda0
[  487.895226][ T8555]  ? security_file_ioctl+0x81/0xa0
[  487.900419][ T8555]  ? tty_get_icount+0xb0/0xb0
[  487.905091][ T8555]  __se_sys_ioctl+0xf8/0x170
[  487.909677][ T8555]  do_syscall_64+0x41/0xc0
[  487.914103][ T8555]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  487.919992][ T8555] RIP: 0033:0x7f68b62c56e9
[  487.924494][ T8555] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  487.944272][ T8555] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  487.952765][ T8555] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  487.960726][ T8555] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  487.968872][ T8555] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  487.977318][ T8555] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  487.985896][ T8555] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  487.994582][ T8555]  </TASK>
[  488.005255][ T8555] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.037938][ T8556] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  488.049346][ T8556] CPU: 1 PID: 8556 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  488.060407][ T8556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  488.070659][ T8556] Call Trace:
[  488.074215][ T8556]  <TASK>
[  488.077164][ T8556]  dump_stack_lvl+0x1e7/0x2d0
[  488.081889][ T8556]  ? nf_tcp_handle_invalid+0x650/0x650
[  488.087465][ T8556]  ? panic+0x770/0x770
[  488.091861][ T8556]  sysfs_create_dir_ns+0x2ca/0x390
[  488.097018][ T8556]  ? sysfs_warn_dup+0xa0/0xa0
[  488.101735][ T8556]  kobject_add_internal+0x61d/0xc30
[  488.106975][ T8556]  kobject_add+0x152/0x210
[  488.111626][ T8556]  ? kobject_put+0x3e4/0x430
[  488.116421][ T8556]  ? kobject_init+0x1f0/0x1f0
[  488.121133][ T8556]  ? get_device_parent+0x25d/0x410
[  488.126362][ T8556]  ? device_add+0x30f/0xc90
[  488.130875][ T8556]  device_add+0x449/0xc90
[  488.135201][ T8556]  tty_register_device_attr+0x437/0x960
[  488.140831][ T8556]  ? tty_register_device+0x30/0x30
[  488.145966][ T8556]  ? gsm_dlci_alloc+0x354/0x6e0
[  488.150899][ T8556]  gsm_activate_mux+0xe9/0x290
[  488.155658][ T8556]  gsmld_ioctl+0x1858/0x25b0
[  488.160245][ T8556]  ? tomoyo_path_number_perm+0x663/0x840
[  488.166139][ T8556]  ? gsmld_write+0x120/0x120
[  488.170735][ T8556]  ? __vt_event_wait+0x240/0x240
[  488.175930][ T8556]  ? ldsem_down_read+0xb4/0xe0
[  488.180695][ T8556]  ? gsmld_write+0x120/0x120
[  488.185276][ T8556]  tty_ioctl+0x98c/0xda0
[  488.189597][ T8556]  ? security_file_ioctl+0x81/0xa0
[  488.194803][ T8556]  ? tty_get_icount+0xb0/0xb0
[  488.199474][ T8556]  __se_sys_ioctl+0xf8/0x170
[  488.204152][ T8556]  do_syscall_64+0x41/0xc0
[  488.208562][ T8556]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  488.214538][ T8556] RIP: 0033:0x7f68b62c56e9
[  488.218951][ T8556] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  488.239594][ T8556] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  488.247999][ T8556] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  488.256091][ T8556] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  488.264140][ T8556] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  488.272359][ T8556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  488.280336][ T8556] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  488.288389][ T8556]  </TASK>
[  488.297523][ T8556] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.468810][ T8559] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  488.488321][ T8559] CPU: 1 PID: 8559 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  488.498525][ T8559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  488.508623][ T8559] Call Trace:
[  488.511922][ T8559]  <TASK>
[  488.514874][ T8559]  dump_stack_lvl+0x1e7/0x2d0
[  488.519671][ T8559]  ? nf_tcp_handle_invalid+0x650/0x650
[  488.525161][ T8559]  ? panic+0x770/0x770
[  488.529267][ T8559]  sysfs_create_dir_ns+0x2ca/0x390
[  488.534609][ T8559]  ? sysfs_warn_dup+0xa0/0xa0
[  488.539325][ T8559]  kobject_add_internal+0x61d/0xc30
[  488.544559][ T8559]  kobject_add+0x152/0x210
[  488.549014][ T8559]  ? kobject_put+0x3e4/0x430
[  488.553828][ T8559]  ? kobject_init+0x1f0/0x1f0
[  488.558541][ T8559]  ? get_device_parent+0x25d/0x410
[  488.563683][ T8559]  ? device_add+0x30f/0xc90
[  488.568223][ T8559]  device_add+0x449/0xc90
[  488.572598][ T8559]  tty_register_device_attr+0x437/0x960
[  488.578615][ T8559]  ? tty_register_device+0x30/0x30
[  488.583769][ T8559]  ? gsm_dlci_alloc+0x354/0x6e0
[  488.588651][ T8559]  gsm_activate_mux+0xe9/0x290
[  488.593541][ T8559]  gsmld_ioctl+0x1858/0x25b0
[  488.598337][ T8559]  ? tomoyo_path_number_perm+0x663/0x840
[  488.604034][ T8559]  ? gsmld_write+0x120/0x120
[  488.608774][ T8559]  ? __vt_event_wait+0x240/0x240
[  488.613759][ T8559]  ? ldsem_down_read+0xb4/0xe0
[  488.618572][ T8559]  ? gsmld_write+0x120/0x120
[  488.623633][ T8559]  tty_ioctl+0x98c/0xda0
[  488.628100][ T8559]  ? security_file_ioctl+0x81/0xa0
[  488.633342][ T8559]  ? tty_get_icount+0xb0/0xb0
[  488.638067][ T8559]  __se_sys_ioctl+0xf8/0x170
[  488.642879][ T8559]  do_syscall_64+0x41/0xc0
[  488.647331][ T8559]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  488.653344][ T8559] RIP: 0033:0x7f68b62c56e9
[  488.658114][ T8559] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  488.677739][ T8559] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  488.686500][ T8559] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  488.697071][ T8559] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  488.705139][ T8559] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  488.713185][ T8559] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  488.721145][ T8559] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  488.729123][ T8559]  </TASK>
[  488.732492][ T8559] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.905668][ T8562] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  488.920175][ T8562] CPU: 0 PID: 8562 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  488.930382][ T8562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  488.940471][ T8562] Call Trace:
[  488.943773][ T8562]  <TASK>
[  488.946803][ T8562]  dump_stack_lvl+0x1e7/0x2d0
[  488.951598][ T8562]  ? nf_tcp_handle_invalid+0x650/0x650
[  488.957178][ T8562]  ? panic+0x770/0x770
[  488.961276][ T8562]  sysfs_create_dir_ns+0x2ca/0x390
[  488.966435][ T8562]  ? sysfs_warn_dup+0xa0/0xa0
[  488.971230][ T8562]  kobject_add_internal+0x61d/0xc30
[  488.976566][ T8562]  kobject_add+0x152/0x210
[  488.981002][ T8562]  ? kobject_put+0x3e4/0x430
[  488.985701][ T8562]  ? kobject_init+0x1f0/0x1f0
[  488.990402][ T8562]  ? get_device_parent+0x25d/0x410
[  488.995809][ T8562]  ? device_add+0x30f/0xc90
[  489.000341][ T8562]  device_add+0x449/0xc90
[  489.004748][ T8562]  tty_register_device_attr+0x437/0x960
[  489.010418][ T8562]  ? tty_register_device+0x30/0x30
[  489.015648][ T8562]  ? gsm_dlci_alloc+0x354/0x6e0
[  489.020524][ T8562]  gsm_activate_mux+0xe9/0x290
[  489.025317][ T8562]  gsmld_ioctl+0x1858/0x25b0
[  489.029935][ T8562]  ? tomoyo_path_number_perm+0x663/0x840
[  489.035612][ T8562]  ? gsmld_write+0x120/0x120
[  489.040239][ T8562]  ? __vt_event_wait+0x240/0x240
[  489.045401][ T8562]  ? ldsem_down_read+0xb4/0xe0
[  489.050299][ T8562]  ? gsmld_write+0x120/0x120
[  489.055026][ T8562]  tty_ioctl+0x98c/0xda0
[  489.059302][ T8562]  ? security_file_ioctl+0x81/0xa0
[  489.064448][ T8562]  ? tty_get_icount+0xb0/0xb0
[  489.069167][ T8562]  __se_sys_ioctl+0xf8/0x170
[  489.073789][ T8562]  do_syscall_64+0x41/0xc0
[  489.078203][ T8562]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  489.084086][ T8562] RIP: 0033:0x7f68b62c56e9
[  489.088490][ T8562] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  489.108091][ T8562] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  489.116495][ T8562] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  489.124446][ T8562] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  489.132403][ T8562] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  489.140639][ T8562] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  489.148703][ T8562] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  489.156889][ T8562]  </TASK>
[  489.160576][ T8562] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.341939][ T8565] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  489.352591][ T8565] CPU: 1 PID: 8565 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  489.362786][ T8565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  489.372954][ T8565] Call Trace:
[  489.376254][ T8565]  <TASK>
[  489.379212][ T8565]  dump_stack_lvl+0x1e7/0x2d0
[  489.383907][ T8565]  ? nf_tcp_handle_invalid+0x650/0x650
[  489.389358][ T8565]  ? panic+0x770/0x770
[  489.393508][ T8565]  sysfs_create_dir_ns+0x2ca/0x390
[  489.398717][ T8565]  ? sysfs_warn_dup+0xa0/0xa0
[  489.403385][ T8565]  kobject_add_internal+0x61d/0xc30
[  489.408670][ T8565]  kobject_add+0x152/0x210
[  489.413083][ T8565]  ? kobject_put+0x3e4/0x430
[  489.417804][ T8565]  ? kobject_init+0x1f0/0x1f0
[  489.422500][ T8565]  ? get_device_parent+0x25d/0x410
[  489.427614][ T8565]  ? device_add+0x30f/0xc90
[  489.432109][ T8565]  device_add+0x449/0xc90
[  489.436622][ T8565]  tty_register_device_attr+0x437/0x960
[  489.442249][ T8565]  ? tty_register_device+0x30/0x30
[  489.447637][ T8565]  ? gsm_dlci_alloc+0x354/0x6e0
[  489.452485][ T8565]  gsm_activate_mux+0xe9/0x290
[  489.457330][ T8565]  gsmld_ioctl+0x1858/0x25b0
[  489.462537][ T8565]  ? tomoyo_path_number_perm+0x663/0x840
[  489.468208][ T8565]  ? gsmld_write+0x120/0x120
[  489.472827][ T8565]  ? __vt_event_wait+0x240/0x240
[  489.477796][ T8565]  ? ldsem_down_read+0xb4/0xe0
[  489.482593][ T8565]  ? gsmld_write+0x120/0x120
[  489.487198][ T8565]  tty_ioctl+0x98c/0xda0
[  489.491626][ T8565]  ? security_file_ioctl+0x81/0xa0
[  489.496841][ T8565]  ? tty_get_icount+0xb0/0xb0
[  489.501633][ T8565]  __se_sys_ioctl+0xf8/0x170
[  489.506233][ T8565]  do_syscall_64+0x41/0xc0
[  489.510820][ T8565]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  489.517059][ T8565] RIP: 0033:0x7f68b62c56e9
[  489.521727][ T8565] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  489.541947][ T8565] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  489.550351][ T8565] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  489.558315][ T8565] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  489.566276][ T8565] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  489.574242][ T8565] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  489.582214][ T8565] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  489.590532][ T8565]  </TASK>
[  489.600547][ T8565] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.603097][ T8566] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  489.632305][ T8566] CPU: 0 PID: 8566 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  489.642874][ T8566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  489.653129][ T8566] Call Trace:
[  489.656445][ T8566]  <TASK>
[  489.659410][ T8566]  dump_stack_lvl+0x1e7/0x2d0
[  489.664211][ T8566]  ? nf_tcp_handle_invalid+0x650/0x650
[  489.669705][ T8566]  ? panic+0x770/0x770
[  489.673818][ T8566]  sysfs_create_dir_ns+0x2ca/0x390
[  489.679039][ T8566]  ? sysfs_warn_dup+0xa0/0xa0
[  489.683906][ T8566]  kobject_add_internal+0x61d/0xc30
[  489.689109][ T8566]  kobject_add+0x152/0x210
[  489.693617][ T8566]  ? kobject_put+0x3e4/0x430
[  489.698201][ T8566]  ? kobject_init+0x1f0/0x1f0
[  489.703047][ T8566]  ? get_device_parent+0x25d/0x410
[  489.708238][ T8566]  ? device_add+0x30f/0xc90
[  489.712821][ T8566]  device_add+0x449/0xc90
[  489.717178][ T8566]  tty_register_device_attr+0x437/0x960
[  489.722972][ T8566]  ? tty_register_device+0x30/0x30
[  489.728745][ T8566]  ? gsm_dlci_alloc+0x354/0x6e0
[  489.733692][ T8566]  gsm_activate_mux+0xe9/0x290
[  489.738465][ T8566]  gsmld_ioctl+0x1858/0x25b0
[  489.743135][ T8566]  ? tomoyo_path_number_perm+0x663/0x840
[  489.748773][ T8566]  ? gsmld_write+0x120/0x120
[  489.753358][ T8566]  ? __vt_event_wait+0x240/0x240
[  489.758302][ T8566]  ? ldsem_down_read+0xb4/0xe0
[  489.763166][ T8566]  ? gsmld_write+0x120/0x120
[  489.767843][ T8566]  tty_ioctl+0x98c/0xda0
[  489.772692][ T8566]  ? security_file_ioctl+0x81/0xa0
[  489.777883][ T8566]  ? tty_get_icount+0xb0/0xb0
[  489.782811][ T8566]  __se_sys_ioctl+0xf8/0x170
[  489.787401][ T8566]  do_syscall_64+0x41/0xc0
[  489.792171][ T8566]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  489.798147][ T8566] RIP: 0033:0x7f68b62c56e9
[  489.802900][ T8566] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  489.822935][ T8566] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  489.831429][ T8566] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  489.839658][ T8566] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  489.847883][ T8566] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  489.855845][ T8566] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  489.864065][ T8566] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  489.872039][ T8566]  </TASK>
[  489.893712][ T8566] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.064112][ T8569] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  490.077384][ T8569] CPU: 0 PID: 8569 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  490.087677][ T8569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  490.098551][ T8569] Call Trace:
[  490.101957][ T8569]  <TASK>
[  490.105008][ T8569]  dump_stack_lvl+0x1e7/0x2d0
[  490.109984][ T8569]  ? nf_tcp_handle_invalid+0x650/0x650
[  490.115658][ T8569]  ? panic+0x770/0x770
[  490.120210][ T8569]  sysfs_create_dir_ns+0x2ca/0x390
[  490.125363][ T8569]  ? sysfs_warn_dup+0xa0/0xa0
[  490.130082][ T8569]  kobject_add_internal+0x61d/0xc30
[  490.138050][ T8569]  kobject_add+0x152/0x210
[  490.142509][ T8569]  ? kobject_put+0x3e4/0x430
[  490.147750][ T8569]  ? kobject_init+0x1f0/0x1f0
[  490.152661][ T8569]  ? get_device_parent+0x25d/0x410
[  490.157929][ T8569]  ? device_add+0x30f/0xc90
[  490.162608][ T8569]  device_add+0x449/0xc90
[  490.167159][ T8569]  tty_register_device_attr+0x437/0x960
[  490.172745][ T8569]  ? tty_register_device+0x30/0x30
[  490.178093][ T8569]  ? gsm_dlci_alloc+0x354/0x6e0
[  490.183279][ T8569]  gsm_activate_mux+0xe9/0x290
[  490.188973][ T8569]  gsmld_ioctl+0x1858/0x25b0
[  490.194230][ T8569]  ? tomoyo_path_number_perm+0x663/0x840
[  490.200925][ T8569]  ? gsmld_write+0x120/0x120
[  490.206975][ T8569]  ? __vt_event_wait+0x240/0x240
[  490.212408][ T8569]  ? ldsem_down_read+0xb4/0xe0
[  490.219362][ T8569]  ? gsmld_write+0x120/0x120
[  490.224530][ T8569]  tty_ioctl+0x98c/0xda0
[  490.230856][ T8569]  ? security_file_ioctl+0x81/0xa0
[  490.236369][ T8569]  ? tty_get_icount+0xb0/0xb0
[  490.241536][ T8569]  __se_sys_ioctl+0xf8/0x170
[  490.246534][ T8569]  do_syscall_64+0x41/0xc0
[  490.251097][ T8569]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  490.257220][ T8569] RIP: 0033:0x7f68b62c56e9
[  490.263154][ T8569] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  490.285670][ T8569] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  490.295115][ T8569] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  490.303560][ T8569] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  490.312100][ T8569] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  490.320527][ T8569] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  490.328773][ T8569] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  490.336981][ T8569]  </TASK>
[  490.341605][ T8569] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.532838][ T8572] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  490.552856][ T8572] CPU: 1 PID: 8572 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  490.563249][ T8572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  490.573570][ T8572] Call Trace:
[  490.576935][ T8572]  <TASK>
[  490.579862][ T8572]  dump_stack_lvl+0x1e7/0x2d0
[  490.584927][ T8572]  ? nf_tcp_handle_invalid+0x650/0x650
[  490.590423][ T8572]  ? panic+0x770/0x770
[  490.594786][ T8572]  sysfs_create_dir_ns+0x2ca/0x390
[  490.600440][ T8572]  ? sysfs_warn_dup+0xa0/0xa0
[  490.605222][ T8572]  kobject_add_internal+0x61d/0xc30
[  490.611130][ T8572]  kobject_add+0x152/0x210
[  490.615935][ T8572]  ? kobject_put+0x3e4/0x430
[  490.620853][ T8572]  ? kobject_init+0x1f0/0x1f0
[  490.626333][ T8572]  ? get_device_parent+0x25d/0x410
[  490.632201][ T8572]  ? device_add+0x30f/0xc90
[  490.637435][ T8572]  device_add+0x449/0xc90
[  490.641995][ T8572]  tty_register_device_attr+0x437/0x960
[  490.647916][ T8572]  ? tty_register_device+0x30/0x30
[  490.653646][ T8572]  ? gsm_dlci_alloc+0x354/0x6e0
[  490.658946][ T8572]  gsm_activate_mux+0xe9/0x290
[  490.665027][ T8572]  gsmld_ioctl+0x1858/0x25b0
[  490.669934][ T8572]  ? tomoyo_path_number_perm+0x663/0x840
[  490.676380][ T8572]  ? gsmld_write+0x120/0x120
[  490.681479][ T8572]  ? __vt_event_wait+0x240/0x240
[  490.686731][ T8572]  ? ldsem_down_read+0xb4/0xe0
[  490.691893][ T8572]  ? gsmld_write+0x120/0x120
[  490.697070][ T8572]  tty_ioctl+0x98c/0xda0
[  490.701437][ T8572]  ? security_file_ioctl+0x81/0xa0
[  490.706825][ T8572]  ? tty_get_icount+0xb0/0xb0
[  490.711848][ T8572]  __se_sys_ioctl+0xf8/0x170
[  490.716656][ T8572]  do_syscall_64+0x41/0xc0
[  490.721263][ T8572]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  490.727345][ T8572] RIP: 0033:0x7f68b62c56e9
[  490.732281][ T8572] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  490.752257][ T8572] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  490.762095][ T8572] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  490.771939][ T8572] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  490.780728][ T8572] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  490.789341][ T8572] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  490.798431][ T8572] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  490.808093][ T8572]  </TASK>
[  490.813289][ T8573] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  490.822075][ T8573] CPU: 0 PID: 8573 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  490.832435][ T8573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  490.842776][ T8573] Call Trace:
[  490.846100][ T8573]  <TASK>
[  490.849320][ T8573]  dump_stack_lvl+0x1e7/0x2d0
[  490.854741][ T8573]  ? nf_tcp_handle_invalid+0x650/0x650
[  490.860686][ T8573]  ? panic+0x770/0x770
[  490.870291][ T8573]  sysfs_create_dir_ns+0x2ca/0x390
[  490.875446][ T8573]  ? sysfs_warn_dup+0xa0/0xa0
[  490.880160][ T8573]  kobject_add_internal+0x61d/0xc30
[  490.885404][ T8573]  kobject_add+0x152/0x210
[  490.889867][ T8573]  ? kobject_put+0x3e4/0x430
[  490.894674][ T8573]  ? kobject_init+0x1f0/0x1f0
[  490.899667][ T8573]  ? get_device_parent+0x25d/0x410
[  490.905287][ T8573]  ? device_add+0x30f/0xc90
[  490.910072][ T8573]  device_add+0x449/0xc90
[  490.914632][ T8573]  tty_register_device_attr+0x437/0x960
[  490.920610][ T8573]  ? tty_register_device+0x30/0x30
[  490.926151][ T8573]  ? gsm_dlci_alloc+0x354/0x6e0
[  490.931138][ T8573]  gsm_activate_mux+0xe9/0x290
[  490.936415][ T8573]  gsmld_ioctl+0x1858/0x25b0
[  490.941492][ T8573]  ? tomoyo_path_number_perm+0x663/0x840
[  490.947558][ T8573]  ? gsmld_write+0x120/0x120
[  490.952341][ T8573]  ? __vt_event_wait+0x240/0x240
[  490.957730][ T8573]  ? ldsem_down_read+0xb4/0xe0
[  490.963073][ T8573]  ? gsmld_write+0x120/0x120
[  490.967796][ T8573]  tty_ioctl+0x98c/0xda0
[  490.972434][ T8573]  ? security_file_ioctl+0x81/0xa0
[  490.978222][ T8573]  ? tty_get_icount+0xb0/0xb0
[  490.982596][ T8572] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.983633][ T8573]  __se_sys_ioctl+0xf8/0x170
[  491.003177][ T8573]  do_syscall_64+0x41/0xc0
[  491.007757][ T8573]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  491.013663][ T8573] RIP: 0033:0x7f68b62c56e9
[  491.018110][ T8573] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  491.038174][ T8573] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  491.046864][ T8573] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  491.054945][ T8573] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  491.063010][ T8573] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  491.071104][ T8573] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  491.079087][ T8573] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  491.087341][ T8573]  </TASK>
[  491.095906][ T8573] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.275093][ T8576] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.297673][ T8576] CPU: 0 PID: 8576 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  491.307904][ T8576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  491.318087][ T8576] Call Trace:
[  491.321381][ T8576]  <TASK>
[  491.324412][ T8576]  dump_stack_lvl+0x1e7/0x2d0
[  491.329151][ T8576]  ? nf_tcp_handle_invalid+0x650/0x650
[  491.334653][ T8576]  ? panic+0x770/0x770
[  491.338759][ T8576]  sysfs_create_dir_ns+0x2ca/0x390
[  491.344265][ T8576]  ? sysfs_warn_dup+0xa0/0xa0
[  491.349160][ T8576]  kobject_add_internal+0x61d/0xc30
[  491.354414][ T8576]  kobject_add+0x152/0x210
[  491.359281][ T8576]  ? kobject_put+0x3e4/0x430
[  491.363989][ T8576]  ? kobject_init+0x1f0/0x1f0
[  491.368839][ T8576]  ? get_device_parent+0x25d/0x410
[  491.373970][ T8576]  ? device_add+0x30f/0xc90
[  491.378469][ T8576]  device_add+0x449/0xc90
[  491.382974][ T8576]  tty_register_device_attr+0x437/0x960
[  491.388522][ T8576]  ? tty_register_device+0x30/0x30
[  491.393724][ T8576]  ? gsm_dlci_alloc+0x354/0x6e0
[  491.398939][ T8576]  gsm_activate_mux+0xe9/0x290
[  491.403753][ T8576]  gsmld_ioctl+0x1858/0x25b0
[  491.408553][ T8576]  ? tomoyo_path_number_perm+0x663/0x840
[  491.414246][ T8576]  ? gsmld_write+0x120/0x120
[  491.418883][ T8576]  ? __vt_event_wait+0x240/0x240
[  491.424039][ T8576]  ? ldsem_down_read+0xb4/0xe0
[  491.429100][ T8576]  ? gsmld_write+0x120/0x120
[  491.433727][ T8576]  tty_ioctl+0x98c/0xda0
[  491.438164][ T8576]  ? security_file_ioctl+0x81/0xa0
[  491.443399][ T8576]  ? tty_get_icount+0xb0/0xb0
[  491.448213][ T8576]  __se_sys_ioctl+0xf8/0x170
[  491.452853][ T8576]  do_syscall_64+0x41/0xc0
[  491.457375][ T8576]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  491.463616][ T8576] RIP: 0033:0x7f68b62c56e9
[  491.468065][ T8576] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  491.489723][ T8576] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  491.498961][ T8576] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  491.507203][ T8576] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  491.515349][ T8576] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  491.523514][ T8576] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  491.531653][ T8576] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  491.540233][ T8576]  </TASK>
[  491.547623][ T8576] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.763802][ T8579] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.782065][ T8579] CPU: 0 PID: 8579 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  491.793100][ T8579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  491.803481][ T8579] Call Trace:
[  491.807042][ T8579]  <TASK>
[  491.810022][ T8579]  dump_stack_lvl+0x1e7/0x2d0
[  491.814865][ T8579]  ? nf_tcp_handle_invalid+0x650/0x650
[  491.820799][ T8579]  ? panic+0x770/0x770
[  491.824994][ T8579]  sysfs_create_dir_ns+0x2ca/0x390
[  491.830227][ T8579]  ? sysfs_warn_dup+0xa0/0xa0
[  491.834951][ T8579]  kobject_add_internal+0x61d/0xc30
[  491.840195][ T8579]  kobject_add+0x152/0x210
[  491.844660][ T8579]  ? kobject_put+0x3e4/0x430
[  491.849282][ T8579]  ? kobject_init+0x1f0/0x1f0
[  491.854013][ T8579]  ? get_device_parent+0x25d/0x410
[  491.859340][ T8579]  ? device_add+0x30f/0xc90
[  491.863894][ T8579]  device_add+0x449/0xc90
[  491.868268][ T8579]  tty_register_device_attr+0x437/0x960
[  491.873855][ T8579]  ? tty_register_device+0x30/0x30
[  491.879215][ T8579]  ? gsm_dlci_alloc+0x354/0x6e0
[  491.884302][ T8579]  gsm_activate_mux+0xe9/0x290
[  491.889138][ T8579]  gsmld_ioctl+0x1858/0x25b0
[  491.893857][ T8579]  ? tomoyo_path_number_perm+0x663/0x840
[  491.899815][ T8579]  ? gsmld_write+0x120/0x120
[  491.904966][ T8579]  ? __vt_event_wait+0x240/0x240
[  491.910048][ T8579]  ? ldsem_down_read+0xb4/0xe0
[  491.915037][ T8579]  ? gsmld_write+0x120/0x120
[  491.919873][ T8579]  tty_ioctl+0x98c/0xda0
[  491.924332][ T8579]  ? security_file_ioctl+0x81/0xa0
[  491.929488][ T8579]  ? tty_get_icount+0xb0/0xb0
[  491.934737][ T8579]  __se_sys_ioctl+0xf8/0x170
[  491.939543][ T8579]  do_syscall_64+0x41/0xc0
[  491.944263][ T8579]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  491.951060][ T8579] RIP: 0033:0x7f68b62c56e9
[  491.955771][ T8579] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  491.977354][ T8579] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  491.986049][ T8579] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  491.994197][ T8579] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  492.002534][ T8579] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  492.010953][ T8579] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  492.019142][ T8579] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  492.027505][ T8579]  </TASK>
[  492.031311][ T8579] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.216359][ T8583] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.225803][ T8583] CPU: 1 PID: 8583 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  492.236324][ T8583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  492.247535][ T8583] Call Trace:
[  492.250940][ T8583]  <TASK>
[  492.254199][ T8583]  dump_stack_lvl+0x1e7/0x2d0
[  492.259183][ T8583]  ? nf_tcp_handle_invalid+0x650/0x650
[  492.264963][ T8583]  ? panic+0x770/0x770
[  492.269500][ T8583]  sysfs_create_dir_ns+0x2ca/0x390
[  492.274666][ T8583]  ? sysfs_warn_dup+0xa0/0xa0
[  492.279473][ T8583]  kobject_add_internal+0x61d/0xc30
[  492.284766][ T8583]  kobject_add+0x152/0x210
[  492.289447][ T8583]  ? kobject_put+0x3e4/0x430
[  492.294216][ T8583]  ? kobject_init+0x1f0/0x1f0
[  492.299172][ T8583]  ? get_device_parent+0x25d/0x410
[  492.304802][ T8583]  ? device_add+0x30f/0xc90
[  492.309403][ T8583]  device_add+0x449/0xc90
[  492.313813][ T8583]  tty_register_device_attr+0x437/0x960
[  492.319392][ T8583]  ? tty_register_device+0x30/0x30
[  492.324737][ T8583]  ? gsm_dlci_alloc+0x354/0x6e0
[  492.329709][ T8583]  gsm_activate_mux+0xe9/0x290
[  492.334621][ T8583]  gsmld_ioctl+0x1858/0x25b0
[  492.339236][ T8583]  ? tomoyo_path_number_perm+0x663/0x840
[  492.345146][ T8583]  ? gsmld_write+0x120/0x120
[  492.350128][ T8583]  ? __vt_event_wait+0x240/0x240
[  492.355517][ T8583]  ? ldsem_down_read+0xb4/0xe0
[  492.360337][ T8583]  ? gsmld_write+0x120/0x120
[  492.364935][ T8583]  tty_ioctl+0x98c/0xda0
[  492.369462][ T8583]  ? security_file_ioctl+0x81/0xa0
[  492.374587][ T8583]  ? tty_get_icount+0xb0/0xb0
[  492.379265][ T8583]  __se_sys_ioctl+0xf8/0x170
[  492.383857][ T8583]  do_syscall_64+0x41/0xc0
[  492.388745][ T8583]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  492.394860][ T8583] RIP: 0033:0x7f68b62c56e9
[  492.399843][ T8583] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  492.420463][ T8583] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  492.428966][ T8583] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  492.437462][ T8583] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  492.445542][ T8583] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  492.453603][ T8583] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  492.461568][ T8583] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  492.470088][ T8583]  </TASK>
[  492.490999][ T8583] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.743418][ T8586] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.762000][ T8586] CPU: 0 PID: 8586 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  492.774080][ T8586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  492.785227][ T8586] Call Trace:
[  492.789069][ T8586]  <TASK>
[  492.792022][ T8586]  dump_stack_lvl+0x1e7/0x2d0
[  492.796825][ T8586]  ? nf_tcp_handle_invalid+0x650/0x650
[  492.803450][ T8586]  ? panic+0x770/0x770
[  492.808024][ T8586]  sysfs_create_dir_ns+0x2ca/0x390
[  492.813704][ T8586]  ? sysfs_warn_dup+0xa0/0xa0
[  492.818728][ T8586]  kobject_add_internal+0x61d/0xc30
[  492.824528][ T8586]  kobject_add+0x152/0x210
[  492.829173][ T8586]  ? kobject_put+0x3e4/0x430
[  492.833960][ T8586]  ? kobject_init+0x1f0/0x1f0
[  492.839118][ T8586]  ? get_device_parent+0x25d/0x410
[  492.844658][ T8586]  ? device_add+0x30f/0xc90
[  492.849385][ T8586]  device_add+0x449/0xc90
[  492.853751][ T8586]  tty_register_device_attr+0x437/0x960
[  492.859343][ T8586]  ? tty_register_device+0x30/0x30
[  492.864593][ T8586]  ? gsm_dlci_alloc+0x354/0x6e0
[  492.869649][ T8586]  gsm_activate_mux+0xe9/0x290
[  492.874460][ T8586]  gsmld_ioctl+0x1858/0x25b0
[  492.879089][ T8586]  ? tomoyo_path_number_perm+0x663/0x840
[  492.885039][ T8586]  ? gsmld_write+0x120/0x120
[  492.890026][ T8586]  ? __vt_event_wait+0x240/0x240
[  492.895007][ T8586]  ? ldsem_down_read+0xb4/0xe0
[  492.899906][ T8586]  ? gsmld_write+0x120/0x120
[  492.904525][ T8586]  tty_ioctl+0x98c/0xda0
[  492.909149][ T8586]  ? security_file_ioctl+0x81/0xa0
[  492.914323][ T8586]  ? tty_get_icount+0xb0/0xb0
[  492.919013][ T8586]  __se_sys_ioctl+0xf8/0x170
[  492.923613][ T8586]  do_syscall_64+0x41/0xc0
[  492.928026][ T8586]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  492.933934][ T8586] RIP: 0033:0x7f68b62c56e9
[  492.938353][ T8586] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  492.958838][ T8586] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  492.968054][ T8586] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  492.976650][ T8586] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  492.985093][ T8586] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  492.993427][ T8586] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  493.002090][ T8586] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  493.010153][ T8586]  </TASK>
[  493.021493][ T8586] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.189828][ T8589] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.202839][ T8589] CPU: 1 PID: 8589 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  493.213040][ T8589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  493.223220][ T8589] Call Trace:
[  493.226547][ T8589]  <TASK>
[  493.229593][ T8589]  dump_stack_lvl+0x1e7/0x2d0
[  493.234391][ T8589]  ? nf_tcp_handle_invalid+0x650/0x650
[  493.240058][ T8589]  ? panic+0x770/0x770
[  493.244166][ T8589]  sysfs_create_dir_ns+0x2ca/0x390
[  493.249384][ T8589]  ? sysfs_warn_dup+0xa0/0xa0
[  493.254228][ T8589]  kobject_add_internal+0x61d/0xc30
[  493.259565][ T8589]  kobject_add+0x152/0x210
[  493.263981][ T8589]  ? kobject_put+0x3e4/0x430
[  493.268566][ T8589]  ? kobject_init+0x1f0/0x1f0
[  493.273238][ T8589]  ? get_device_parent+0x25d/0x410
[  493.278365][ T8589]  ? device_add+0x30f/0xc90
[  493.282870][ T8589]  device_add+0x449/0xc90
[  493.287205][ T8589]  tty_register_device_attr+0x437/0x960
[  493.293108][ T8589]  ? tty_register_device+0x30/0x30
[  493.298227][ T8589]  ? gsm_dlci_alloc+0x354/0x6e0
[  493.303072][ T8589]  gsm_activate_mux+0xe9/0x290
[  493.307830][ T8589]  gsmld_ioctl+0x1858/0x25b0
[  493.312412][ T8589]  ? tomoyo_path_number_perm+0x663/0x840
[  493.318153][ T8589]  ? gsmld_write+0x120/0x120
[  493.322963][ T8589]  ? __vt_event_wait+0x240/0x240
[  493.327931][ T8589]  ? ldsem_down_read+0xb4/0xe0
[  493.332793][ T8589]  ? gsmld_write+0x120/0x120
[  493.337514][ T8589]  tty_ioctl+0x98c/0xda0
[  493.342297][ T8589]  ? security_file_ioctl+0x81/0xa0
[  493.347518][ T8589]  ? tty_get_icount+0xb0/0xb0
[  493.352208][ T8589]  __se_sys_ioctl+0xf8/0x170
[  493.356927][ T8589]  do_syscall_64+0x41/0xc0
[  493.361429][ T8589]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  493.367345][ T8589] RIP: 0033:0x7f68b62c56e9
[  493.372422][ T8589] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  493.393207][ T8589] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  493.401718][ T8589] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  493.410136][ T8589] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  493.418362][ T8589] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  493.426418][ T8589] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  493.434387][ T8589] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  493.442450][ T8589]  </TASK>
[  493.453975][ T8589] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.474066][ T8590] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.487391][ T8590] CPU: 0 PID: 8590 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  493.497507][ T8590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  493.507856][ T8590] Call Trace:
[  493.511144][ T8590]  <TASK>
[  493.514074][ T8590]  dump_stack_lvl+0x1e7/0x2d0
[  493.518784][ T8590]  ? nf_tcp_handle_invalid+0x650/0x650
[  493.524360][ T8590]  ? panic+0x770/0x770
[  493.528480][ T8590]  sysfs_create_dir_ns+0x2ca/0x390
[  493.533617][ T8590]  ? sysfs_warn_dup+0xa0/0xa0
[  493.538332][ T8590]  kobject_add_internal+0x61d/0xc30
[  493.543567][ T8590]  kobject_add+0x152/0x210
[  493.548024][ T8590]  ? kobject_put+0x3e4/0x430
[  493.552632][ T8590]  ? kobject_init+0x1f0/0x1f0
[  493.557346][ T8590]  ? get_device_parent+0x25d/0x410
[  493.562499][ T8590]  ? device_add+0x30f/0xc90
[  493.567120][ T8590]  device_add+0x449/0xc90
[  493.571497][ T8590]  tty_register_device_attr+0x437/0x960
[  493.577046][ T8590]  ? tty_register_device+0x30/0x30
[  493.582157][ T8590]  ? gsm_dlci_alloc+0x354/0x6e0
[  493.587539][ T8590]  gsm_activate_mux+0xe9/0x290
[  493.592921][ T8590]  gsmld_ioctl+0x1858/0x25b0
[  493.597516][ T8590]  ? tomoyo_path_number_perm+0x663/0x840
[  493.603499][ T8590]  ? gsmld_write+0x120/0x120
[  493.608378][ T8590]  ? __vt_event_wait+0x240/0x240
[  493.613398][ T8590]  ? ldsem_down_read+0xb4/0xe0
[  493.618162][ T8590]  ? gsmld_write+0x120/0x120
[  493.623093][ T8590]  tty_ioctl+0x98c/0xda0
[  493.627356][ T8590]  ? security_file_ioctl+0x81/0xa0
[  493.632542][ T8590]  ? tty_get_icount+0xb0/0xb0
[  493.637227][ T8590]  __se_sys_ioctl+0xf8/0x170
[  493.641828][ T8590]  do_syscall_64+0x41/0xc0
[  493.646340][ T8590]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  493.652231][ T8590] RIP: 0033:0x7f68b62c56e9
[  493.656645][ T8590] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  493.676340][ T8590] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  493.684762][ T8590] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  493.692978][ T8590] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  493.700947][ T8590] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  493.708901][ T8590] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  493.716858][ T8590] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  493.724814][ T8590]  </TASK>
[  493.729362][ T8590] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.903550][ T8593] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.924569][ T8593] CPU: 0 PID: 8593 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  493.934688][ T8593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  493.944739][ T8593] Call Trace:
[  493.948266][ T8593]  <TASK>
[  493.951192][ T8593]  dump_stack_lvl+0x1e7/0x2d0
[  493.955895][ T8593]  ? nf_tcp_handle_invalid+0x650/0x650
[  493.961390][ T8593]  ? panic+0x770/0x770
[  493.965586][ T8593]  sysfs_create_dir_ns+0x2ca/0x390
[  493.970733][ T8593]  ? sysfs_warn_dup+0xa0/0xa0
[  493.975455][ T8593]  kobject_add_internal+0x61d/0xc30
[  493.980984][ T8593]  kobject_add+0x152/0x210
[  493.985624][ T8593]  ? kobject_put+0x3e4/0x430
[  493.990266][ T8593]  ? kobject_init+0x1f0/0x1f0
[  493.994981][ T8593]  ? get_device_parent+0x25d/0x410
[  494.000216][ T8593]  ? device_add+0x30f/0xc90
[  494.004752][ T8593]  device_add+0x449/0xc90
[  494.009129][ T8593]  tty_register_device_attr+0x437/0x960
[  494.014724][ T8593]  ? tty_register_device+0x30/0x30
[  494.020056][ T8593]  ? gsm_dlci_alloc+0x354/0x6e0
[  494.024951][ T8593]  gsm_activate_mux+0xe9/0x290
[  494.029841][ T8593]  gsmld_ioctl+0x1858/0x25b0
[  494.034727][ T8593]  ? tomoyo_path_number_perm+0x663/0x840
[  494.040766][ T8593]  ? gsmld_write+0x120/0x120
[  494.045489][ T8593]  ? __vt_event_wait+0x240/0x240
[  494.050559][ T8593]  ? ldsem_down_read+0xb4/0xe0
[  494.055714][ T8593]  ? gsmld_write+0x120/0x120
[  494.060529][ T8593]  tty_ioctl+0x98c/0xda0
[  494.064809][ T8593]  ? security_file_ioctl+0x81/0xa0
[  494.070044][ T8593]  ? tty_get_icount+0xb0/0xb0
[  494.074773][ T8593]  __se_sys_ioctl+0xf8/0x170
[  494.079582][ T8593]  do_syscall_64+0x41/0xc0
[  494.084170][ T8593]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  494.090196][ T8593] RIP: 0033:0x7f68b62c56e9
[  494.094604][ T8593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  494.114380][ T8593] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  494.122957][ T8593] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  494.130936][ T8593] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  494.139205][ T8593] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  494.147223][ T8593] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  494.155219][ T8593] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  494.163278][ T8593]  </TASK>
[  494.169610][ T8593] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.334359][ T8597] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.345043][ T8597] CPU: 1 PID: 8597 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  494.355416][ T8597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  494.365498][ T8597] Call Trace:
[  494.368816][ T8597]  <TASK>
[  494.371772][ T8597]  dump_stack_lvl+0x1e7/0x2d0
[  494.376480][ T8597]  ? nf_tcp_handle_invalid+0x650/0x650
[  494.382061][ T8597]  ? panic+0x770/0x770
[  494.386302][ T8597]  sysfs_create_dir_ns+0x2ca/0x390
[  494.391477][ T8597]  ? sysfs_warn_dup+0xa0/0xa0
[  494.396175][ T8597]  kobject_add_internal+0x61d/0xc30
[  494.401397][ T8597]  kobject_add+0x152/0x210
[  494.405910][ T8597]  ? kobject_put+0x3e4/0x430
[  494.410667][ T8597]  ? kobject_init+0x1f0/0x1f0
[  494.415349][ T8597]  ? get_device_parent+0x25d/0x410
[  494.420633][ T8597]  ? device_add+0x30f/0xc90
[  494.425160][ T8597]  device_add+0x449/0xc90
[  494.429513][ T8597]  tty_register_device_attr+0x437/0x960
[  494.435092][ T8597]  ? tty_register_device+0x30/0x30
[  494.440235][ T8597]  ? gsm_dlci_alloc+0x354/0x6e0
[  494.445201][ T8597]  gsm_activate_mux+0xe9/0x290
[  494.450177][ T8597]  gsmld_ioctl+0x1858/0x25b0
[  494.454959][ T8597]  ? tomoyo_path_number_perm+0x663/0x840
[  494.460711][ T8597]  ? gsmld_write+0x120/0x120
[  494.465329][ T8597]  ? __vt_event_wait+0x240/0x240
[  494.470281][ T8597]  ? ldsem_down_read+0xb4/0xe0
[  494.475742][ T8597]  ? gsmld_write+0x120/0x120
[  494.480327][ T8597]  tty_ioctl+0x98c/0xda0
[  494.484651][ T8597]  ? security_file_ioctl+0x81/0xa0
[  494.489856][ T8597]  ? tty_get_icount+0xb0/0xb0
[  494.494790][ T8597]  __se_sys_ioctl+0xf8/0x170
[  494.499644][ T8597]  do_syscall_64+0x41/0xc0
[  494.504153][ T8597]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  494.510041][ T8597] RIP: 0033:0x7f68b62c56e9
[  494.514503][ T8597] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  494.534688][ T8597] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  494.543127][ T8597] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  494.551439][ T8597] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  494.559489][ T8597] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  494.567452][ T8597] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  494.575682][ T8597] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  494.583825][ T8597]  </TASK>
[  494.597596][ T8598] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.613374][ T8597] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.620265][ T8598] CPU: 0 PID: 8598 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  494.637931][ T8598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  494.648018][ T8598] Call Trace:
[  494.651323][ T8598]  <TASK>
[  494.654275][ T8598]  dump_stack_lvl+0x1e7/0x2d0
[  494.658991][ T8598]  ? nf_tcp_handle_invalid+0x650/0x650
[  494.664495][ T8598]  ? panic+0x770/0x770
[  494.668701][ T8598]  sysfs_create_dir_ns+0x2ca/0x390
[  494.673942][ T8598]  ? sysfs_warn_dup+0xa0/0xa0
[  494.678670][ T8598]  kobject_add_internal+0x61d/0xc30
[  494.684083][ T8598]  kobject_add+0x152/0x210
[  494.688532][ T8598]  ? kobject_put+0x3e4/0x430
[  494.693148][ T8598]  ? kobject_init+0x1f0/0x1f0
[  494.697944][ T8598]  ? get_device_parent+0x25d/0x410
[  494.703083][ T8598]  ? device_add+0x30f/0xc90
[  494.707618][ T8598]  device_add+0x449/0xc90
[  494.711980][ T8598]  tty_register_device_attr+0x437/0x960
[  494.717597][ T8598]  ? tty_register_device+0x30/0x30
[  494.722750][ T8598]  ? gsm_dlci_alloc+0x354/0x6e0
[  494.728077][ T8598]  gsm_activate_mux+0xe9/0x290
[  494.732988][ T8598]  gsmld_ioctl+0x1858/0x25b0
[  494.737668][ T8598]  ? tomoyo_path_number_perm+0x663/0x840
[  494.743485][ T8598]  ? gsmld_write+0x120/0x120
[  494.748137][ T8598]  ? __vt_event_wait+0x240/0x240
[  494.753095][ T8598]  ? ldsem_down_read+0xb4/0xe0
[  494.757900][ T8598]  ? gsmld_write+0x120/0x120
[  494.762747][ T8598]  tty_ioctl+0x98c/0xda0
[  494.767536][ T8598]  ? security_file_ioctl+0x81/0xa0
[  494.772770][ T8598]  ? tty_get_icount+0xb0/0xb0
[  494.777454][ T8598]  __se_sys_ioctl+0xf8/0x170
[  494.782166][ T8598]  do_syscall_64+0x41/0xc0
[  494.786920][ T8598]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  494.792885][ T8598] RIP: 0033:0x7f68b62c56e9
[  494.797288][ T8598] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  494.816984][ T8598] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  494.825552][ T8598] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  494.833683][ T8598] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  494.841734][ T8598] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  494.850036][ T8598] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  494.858085][ T8598] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  494.866137][ T8598]  </TASK>
[  494.870567][ T8598] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.038630][ T8601] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.047715][ T8601] CPU: 1 PID: 8601 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  495.057941][ T8601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  495.068020][ T8601] Call Trace:
[  495.071318][ T8601]  <TASK>
[  495.074261][ T8601]  dump_stack_lvl+0x1e7/0x2d0
[  495.078965][ T8601]  ? nf_tcp_handle_invalid+0x650/0x650
[  495.084453][ T8601]  ? panic+0x770/0x770
[  495.088563][ T8601]  sysfs_create_dir_ns+0x2ca/0x390
[  495.093874][ T8601]  ? sysfs_warn_dup+0xa0/0xa0
[  495.098774][ T8601]  kobject_add_internal+0x61d/0xc30
[  495.104276][ T8601]  kobject_add+0x152/0x210
[  495.108897][ T8601]  ? kobject_put+0x3e4/0x430
[  495.113533][ T8601]  ? kobject_init+0x1f0/0x1f0
[  495.118247][ T8601]  ? get_device_parent+0x25d/0x410
[  495.123478][ T8601]  ? device_add+0x30f/0xc90
[  495.128020][ T8601]  device_add+0x449/0xc90
[  495.132386][ T8601]  tty_register_device_attr+0x437/0x960
[  495.137968][ T8601]  ? tty_register_device+0x30/0x30
[  495.143410][ T8601]  ? gsm_dlci_alloc+0x354/0x6e0
[  495.148696][ T8601]  gsm_activate_mux+0xe9/0x290
[  495.153508][ T8601]  gsmld_ioctl+0x1858/0x25b0
[  495.158163][ T8601]  ? tomoyo_path_number_perm+0x663/0x840
[  495.163852][ T8601]  ? gsmld_write+0x120/0x120
[  495.168483][ T8601]  ? __vt_event_wait+0x240/0x240
[  495.173734][ T8601]  ? ldsem_down_read+0xb4/0xe0
[  495.178718][ T8601]  ? gsmld_write+0x120/0x120
[  495.183523][ T8601]  tty_ioctl+0x98c/0xda0
[  495.187881][ T8601]  ? security_file_ioctl+0x81/0xa0
[  495.193110][ T8601]  ? tty_get_icount+0xb0/0xb0
[  495.198031][ T8601]  __se_sys_ioctl+0xf8/0x170
[  495.202653][ T8601]  do_syscall_64+0x41/0xc0
[  495.207358][ T8601]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  495.213278][ T8601] RIP: 0033:0x7f68b62c56e9
[  495.217718][ T8601] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  495.237511][ T8601] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  495.246012][ T8601] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  495.254162][ T8601] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  495.262209][ T8601] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  495.270260][ T8601] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  495.278220][ T8601] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  495.286181][ T8601]  </TASK>
[  495.289708][ T8601] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.463867][ T8605] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.473641][ T8605] CPU: 0 PID: 8605 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  495.484013][ T8605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  495.494527][ T8605] Call Trace:
[  495.498122][ T8605]  <TASK>
[  495.501069][ T8605]  dump_stack_lvl+0x1e7/0x2d0
[  495.505779][ T8605]  ? nf_tcp_handle_invalid+0x650/0x650
[  495.511266][ T8605]  ? panic+0x770/0x770
[  495.515367][ T8605]  sysfs_create_dir_ns+0x2ca/0x390
[  495.520593][ T8605]  ? sysfs_warn_dup+0xa0/0xa0
[  495.525308][ T8605]  kobject_add_internal+0x61d/0xc30
[  495.530543][ T8605]  kobject_add+0x152/0x210
[  495.534990][ T8605]  ? kobject_put+0x3e4/0x430
[  495.539611][ T8605]  ? kobject_init+0x1f0/0x1f0
[  495.544408][ T8605]  ? get_device_parent+0x25d/0x410
[  495.549558][ T8605]  ? device_add+0x30f/0xc90
[  495.554093][ T8605]  device_add+0x449/0xc90
[  495.558543][ T8605]  tty_register_device_attr+0x437/0x960
[  495.564287][ T8605]  ? tty_register_device+0x30/0x30
[  495.569433][ T8605]  ? gsm_dlci_alloc+0x354/0x6e0
[  495.574300][ T8605]  gsm_activate_mux+0xe9/0x290
[  495.579148][ T8605]  gsmld_ioctl+0x1858/0x25b0
[  495.583994][ T8605]  ? tomoyo_path_number_perm+0x663/0x840
[  495.589999][ T8605]  ? gsmld_write+0x120/0x120
[  495.594607][ T8605]  ? __vt_event_wait+0x240/0x240
[  495.599575][ T8605]  ? ldsem_down_read+0xb4/0xe0
[  495.604356][ T8605]  ? gsmld_write+0x120/0x120
[  495.609055][ T8605]  tty_ioctl+0x98c/0xda0
[  495.613348][ T8605]  ? security_file_ioctl+0x81/0xa0
[  495.618477][ T8605]  ? tty_get_icount+0xb0/0xb0
[  495.623156][ T8605]  __se_sys_ioctl+0xf8/0x170
[  495.627749][ T8605]  do_syscall_64+0x41/0xc0
[  495.632311][ T8605]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  495.638250][ T8605] RIP: 0033:0x7f68b62c56e9
[  495.642761][ T8605] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  495.662494][ T8605] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  495.670997][ T8605] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  495.678959][ T8605] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  495.686919][ T8605] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  495.694882][ T8605] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  495.702843][ T8605] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  495.710986][ T8605]  </TASK>
[  495.743723][ T8605] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.922592][ T8609] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.932842][ T8609] CPU: 1 PID: 8609 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  495.943135][ T8609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  495.953455][ T8609] Call Trace:
[  495.956930][ T8609]  <TASK>
[  495.959981][ T8609]  dump_stack_lvl+0x1e7/0x2d0
[  495.964753][ T8609]  ? nf_tcp_handle_invalid+0x650/0x650
[  495.970304][ T8609]  ? panic+0x770/0x770
[  495.974379][ T8609]  sysfs_create_dir_ns+0x2ca/0x390
[  495.979489][ T8609]  ? sysfs_warn_dup+0xa0/0xa0
[  495.984421][ T8609]  kobject_add_internal+0x61d/0xc30
[  495.989882][ T8609]  kobject_add+0x152/0x210
[  495.994302][ T8609]  ? kobject_put+0x3e4/0x430
[  495.999004][ T8609]  ? kobject_init+0x1f0/0x1f0
[  496.003946][ T8609]  ? get_device_parent+0x25d/0x410
[  496.009050][ T8609]  ? device_add+0x30f/0xc90
[  496.013542][ T8609]  device_add+0x449/0xc90
[  496.017876][ T8609]  tty_register_device_attr+0x437/0x960
[  496.023420][ T8609]  ? tty_register_device+0x30/0x30
[  496.028528][ T8609]  ? gsm_dlci_alloc+0x354/0x6e0
[  496.034247][ T8609]  gsm_activate_mux+0xe9/0x290
[  496.039037][ T8609]  gsmld_ioctl+0x1858/0x25b0
[  496.043635][ T8609]  ? tomoyo_path_number_perm+0x663/0x840
[  496.049640][ T8609]  ? gsmld_write+0x120/0x120
[  496.054319][ T8609]  ? __vt_event_wait+0x240/0x240
[  496.059256][ T8609]  ? ldsem_down_read+0xb4/0xe0
[  496.064023][ T8609]  ? gsmld_write+0x120/0x120
[  496.068778][ T8609]  tty_ioctl+0x98c/0xda0
[  496.073014][ T8609]  ? security_file_ioctl+0x81/0xa0
[  496.078208][ T8609]  ? tty_get_icount+0xb0/0xb0
[  496.082918][ T8609]  __se_sys_ioctl+0xf8/0x170
[  496.087501][ T8609]  do_syscall_64+0x41/0xc0
[  496.091919][ T8609]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  496.097805][ T8609] RIP: 0033:0x7f68b62c56e9
[  496.102213][ T8609] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  496.122035][ T8609] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  496.130446][ T8609] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  496.138418][ T8609] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  496.146397][ T8609] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  496.154374][ T8609] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  496.162347][ T8609] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  496.170668][ T8609]  </TASK>
[  496.177019][ T8610] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.185564][ T8610] CPU: 1 PID: 8610 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  496.195043][ T8609] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.195629][ T8610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  496.219763][ T8610] Call Trace:
[  496.223235][ T8610]  <TASK>
[  496.226267][ T8610]  dump_stack_lvl+0x1e7/0x2d0
[  496.230982][ T8610]  ? nf_tcp_handle_invalid+0x650/0x650
[  496.236644][ T8610]  ? panic+0x770/0x770
[  496.240746][ T8610]  sysfs_create_dir_ns+0x2ca/0x390
[  496.245856][ T8610]  ? sysfs_warn_dup+0xa0/0xa0
[  496.250530][ T8610]  kobject_add_internal+0x61d/0xc30
[  496.255727][ T8610]  kobject_add+0x152/0x210
[  496.260225][ T8610]  ? kobject_put+0x3e4/0x430
[  496.264815][ T8610]  ? kobject_init+0x1f0/0x1f0
[  496.269580][ T8610]  ? get_device_parent+0x25d/0x410
[  496.274773][ T8610]  ? device_add+0x30f/0xc90
[  496.279285][ T8610]  device_add+0x449/0xc90
[  496.283608][ T8610]  tty_register_device_attr+0x437/0x960
[  496.289238][ T8610]  ? tty_register_device+0x30/0x30
[  496.294346][ T8610]  ? gsm_dlci_alloc+0x354/0x6e0
[  496.299188][ T8610]  gsm_activate_mux+0xe9/0x290
[  496.303954][ T8610]  gsmld_ioctl+0x1858/0x25b0
[  496.308541][ T8610]  ? tomoyo_path_number_perm+0x663/0x840
[  496.314174][ T8610]  ? gsmld_write+0x120/0x120
[  496.318843][ T8610]  ? __vt_event_wait+0x240/0x240
[  496.324229][ T8610]  ? ldsem_down_read+0xb4/0xe0
[  496.328991][ T8610]  ? gsmld_write+0x120/0x120
[  496.333662][ T8610]  tty_ioctl+0x98c/0xda0
[  496.337897][ T8610]  ? security_file_ioctl+0x81/0xa0
[  496.343021][ T8610]  ? tty_get_icount+0xb0/0xb0
[  496.347701][ T8610]  __se_sys_ioctl+0xf8/0x170
[  496.352307][ T8610]  do_syscall_64+0x41/0xc0
[  496.356728][ T8610]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  496.362720][ T8610] RIP: 0033:0x7f68b62c56e9
[  496.367167][ T8610] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  496.386970][ T8610] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  496.395385][ T8610] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  496.403698][ T8610] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  496.411749][ T8610] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  496.419714][ T8610] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  496.427671][ T8610] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  496.435727][ T8610]  </TASK>
[  496.441780][ T8610] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.662798][ T8613] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.693396][ T8613] CPU: 0 PID: 8613 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  496.703602][ T8613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  496.713958][ T8613] Call Trace:
[  496.717261][ T8613]  <TASK>
[  496.720223][ T8613]  dump_stack_lvl+0x1e7/0x2d0
[  496.724975][ T8613]  ? nf_tcp_handle_invalid+0x650/0x650
[  496.730575][ T8613]  ? panic+0x770/0x770
[  496.734697][ T8613]  sysfs_create_dir_ns+0x2ca/0x390
[  496.739852][ T8613]  ? sysfs_warn_dup+0xa0/0xa0
[  496.744588][ T8613]  kobject_add_internal+0x61d/0xc30
[  496.749934][ T8613]  kobject_add+0x152/0x210
[  496.754485][ T8613]  ? kobject_put+0x3e4/0x430
[  496.759467][ T8613]  ? kobject_init+0x1f0/0x1f0
[  496.768976][ T8613]  ? get_device_parent+0x25d/0x410
[  496.774392][ T8613]  ? device_add+0x30f/0xc90
[  496.778936][ T8613]  device_add+0x449/0xc90
[  496.783323][ T8613]  tty_register_device_attr+0x437/0x960
[  496.789163][ T8613]  ? tty_register_device+0x30/0x30
[  496.794380][ T8613]  ? gsm_dlci_alloc+0x354/0x6e0
[  496.799320][ T8613]  gsm_activate_mux+0xe9/0x290
[  496.804166][ T8613]  gsmld_ioctl+0x1858/0x25b0
[  496.808836][ T8613]  ? tomoyo_path_number_perm+0x663/0x840
[  496.814559][ T8613]  ? gsmld_write+0x120/0x120
[  496.819229][ T8613]  ? __vt_event_wait+0x240/0x240
[  496.824193][ T8613]  ? ldsem_down_read+0xb4/0xe0
[  496.828959][ T8613]  ? gsmld_write+0x120/0x120
[  496.833812][ T8613]  tty_ioctl+0x98c/0xda0
[  496.838053][ T8613]  ? security_file_ioctl+0x81/0xa0
[  496.843157][ T8613]  ? tty_get_icount+0xb0/0xb0
[  496.847918][ T8613]  __se_sys_ioctl+0xf8/0x170
[  496.852499][ T8613]  do_syscall_64+0x41/0xc0
[  496.857000][ T8613]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  496.862974][ T8613] RIP: 0033:0x7f68b62c56e9
[  496.867469][ T8613] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  496.887422][ T8613] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  496.895860][ T8613] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  496.903839][ T8613] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  496.912061][ T8613] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  496.920633][ T8613] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  496.928687][ T8613] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  496.936940][ T8613]  </TASK>
[  496.958955][ T8613] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.147378][ T8616] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.161775][ T8616] CPU: 0 PID: 8616 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  497.172069][ T8616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  497.182237][ T8616] Call Trace:
[  497.185544][ T8616]  <TASK>
[  497.188579][ T8616]  dump_stack_lvl+0x1e7/0x2d0
[  497.193496][ T8616]  ? nf_tcp_handle_invalid+0x650/0x650
[  497.199165][ T8616]  ? panic+0x770/0x770
[  497.203624][ T8616]  sysfs_create_dir_ns+0x2ca/0x390
[  497.209033][ T8616]  ? sysfs_warn_dup+0xa0/0xa0
[  497.213761][ T8616]  kobject_add_internal+0x61d/0xc30
[  497.219006][ T8616]  kobject_add+0x152/0x210
[  497.223463][ T8616]  ? kobject_put+0x3e4/0x430
[  497.228155][ T8616]  ? kobject_init+0x1f0/0x1f0
[  497.232834][ T8616]  ? get_device_parent+0x25d/0x410
[  497.237945][ T8616]  ? device_add+0x30f/0xc90
[  497.242832][ T8616]  device_add+0x449/0xc90
[  497.247160][ T8616]  tty_register_device_attr+0x437/0x960
[  497.252795][ T8616]  ? tty_register_device+0x30/0x30
[  497.258009][ T8616]  ? gsm_dlci_alloc+0x354/0x6e0
[  497.262953][ T8616]  gsm_activate_mux+0xe9/0x290
[  497.267719][ T8616]  gsmld_ioctl+0x1858/0x25b0
[  497.272402][ T8616]  ? tomoyo_path_number_perm+0x663/0x840
[  497.278174][ T8616]  ? gsmld_write+0x120/0x120
[  497.283250][ T8616]  ? __vt_event_wait+0x240/0x240
[  497.288216][ T8616]  ? ldsem_down_read+0xb4/0xe0
[  497.292990][ T8616]  ? gsmld_write+0x120/0x120
[  497.297674][ T8616]  tty_ioctl+0x98c/0xda0
[  497.302099][ T8616]  ? security_file_ioctl+0x81/0xa0
[  497.307227][ T8616]  ? tty_get_icount+0xb0/0xb0
[  497.312071][ T8616]  __se_sys_ioctl+0xf8/0x170
[  497.316657][ T8616]  do_syscall_64+0x41/0xc0
[  497.321250][ T8616]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  497.327318][ T8616] RIP: 0033:0x7f68b62c56e9
[  497.331757][ T8616] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  497.352269][ T8616] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  497.360941][ T8616] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  497.368901][ T8616] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  497.376866][ T8616] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  497.385348][ T8616] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  497.393653][ T8616] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  497.401797][ T8616]  </TASK>
[  497.408821][ T8617] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.416587][ T8616] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.417338][ T8617] CPU: 0 PID: 8617 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  497.441542][ T8617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  497.451863][ T8617] Call Trace:
[  497.455149][ T8617]  <TASK>
[  497.458083][ T8617]  dump_stack_lvl+0x1e7/0x2d0
[  497.462968][ T8617]  ? nf_tcp_handle_invalid+0x650/0x650
[  497.468700][ T8617]  ? panic+0x770/0x770
[  497.472780][ T8617]  sysfs_create_dir_ns+0x2ca/0x390
[  497.477890][ T8617]  ? sysfs_warn_dup+0xa0/0xa0
[  497.482918][ T8617]  kobject_add_internal+0x61d/0xc30
[  497.488202][ T8617]  kobject_add+0x152/0x210
[  497.492612][ T8617]  ? kobject_put+0x3e4/0x430
[  497.497194][ T8617]  ? kobject_init+0x1f0/0x1f0
[  497.501958][ T8617]  ? get_device_parent+0x25d/0x410
[  497.507072][ T8617]  ? device_add+0x30f/0xc90
[  497.511919][ T8617]  device_add+0x449/0xc90
[  497.516244][ T8617]  tty_register_device_attr+0x437/0x960
[  497.521877][ T8617]  ? tty_register_device+0x30/0x30
[  497.527590][ T8617]  ? gsm_dlci_alloc+0x354/0x6e0
[  497.532801][ T8617]  gsm_activate_mux+0xe9/0x290
[  497.537558][ T8617]  gsmld_ioctl+0x1858/0x25b0
[  497.542137][ T8617]  ? tomoyo_path_number_perm+0x663/0x840
[  497.547771][ T8617]  ? gsmld_write+0x120/0x120
[  497.552369][ T8617]  ? __vt_event_wait+0x240/0x240
[  497.557409][ T8617]  ? ldsem_down_read+0xb4/0xe0
[  497.562340][ T8617]  ? gsmld_write+0x120/0x120
[  497.567114][ T8617]  tty_ioctl+0x98c/0xda0
[  497.571350][ T8617]  ? security_file_ioctl+0x81/0xa0
[  497.577061][ T8617]  ? tty_get_icount+0xb0/0xb0
[  497.581901][ T8617]  __se_sys_ioctl+0xf8/0x170
[  497.586578][ T8617]  do_syscall_64+0x41/0xc0
[  497.591113][ T8617]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  497.597745][ T8617] RIP: 0033:0x7f68b62c56e9
[  497.602344][ T8617] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  497.622394][ T8617] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  497.631153][ T8617] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  497.639465][ T8617] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  497.647782][ T8617] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  497.655764][ T8617] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  497.663790][ T8617] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  497.671790][ T8617]  </TASK>
[  497.698600][ T8617] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.874667][ T8621] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.891407][ T8621] CPU: 0 PID: 8621 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  497.901619][ T8621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  497.911872][ T8621] Call Trace:
[  497.915276][ T8621]  <TASK>
[  497.918233][ T8621]  dump_stack_lvl+0x1e7/0x2d0
[  497.922948][ T8621]  ? nf_tcp_handle_invalid+0x650/0x650
[  497.928626][ T8621]  ? panic+0x770/0x770
[  497.932839][ T8621]  sysfs_create_dir_ns+0x2ca/0x390
[  497.938249][ T8621]  ? sysfs_warn_dup+0xa0/0xa0
[  497.943110][ T8621]  kobject_add_internal+0x61d/0xc30
[  497.948404][ T8621]  kobject_add+0x152/0x210
[  497.952906][ T8621]  ? kobject_put+0x3e4/0x430
[  497.957675][ T8621]  ? kobject_init+0x1f0/0x1f0
[  497.962525][ T8621]  ? get_device_parent+0x25d/0x410
[  497.967892][ T8621]  ? device_add+0x30f/0xc90
[  497.972484][ T8621]  device_add+0x449/0xc90
[  497.976911][ T8621]  tty_register_device_attr+0x437/0x960
[  497.982540][ T8621]  ? tty_register_device+0x30/0x30
[  497.987927][ T8621]  ? gsm_dlci_alloc+0x354/0x6e0
[  497.992784][ T8621]  gsm_activate_mux+0xe9/0x290
[  497.997650][ T8621]  gsmld_ioctl+0x1858/0x25b0
[  498.002275][ T8621]  ? tomoyo_path_number_perm+0x663/0x840
[  498.008011][ T8621]  ? gsmld_write+0x120/0x120
[  498.012603][ T8621]  ? __vt_event_wait+0x240/0x240
[  498.017542][ T8621]  ? ldsem_down_read+0xb4/0xe0
[  498.022308][ T8621]  ? gsmld_write+0x120/0x120
[  498.026988][ T8621]  tty_ioctl+0x98c/0xda0
[  498.031221][ T8621]  ? security_file_ioctl+0x81/0xa0
[  498.036417][ T8621]  ? tty_get_icount+0xb0/0xb0
[  498.041087][ T8621]  __se_sys_ioctl+0xf8/0x170
[  498.045887][ T8621]  do_syscall_64+0x41/0xc0
[  498.050412][ T8621]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  498.056317][ T8621] RIP: 0033:0x7f68b62c56e9
[  498.060746][ T8621] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  498.080357][ T8621] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  498.089631][ T8621] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  498.097683][ T8621] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  498.105852][ T8621] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  498.114165][ T8621] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  498.122312][ T8621] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  498.130292][ T8621]  </TASK>
[  498.135352][ T8621] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.140011][ T8622] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  498.161928][ T8622] CPU: 0 PID: 8622 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  498.172037][ T8622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  498.182285][ T8622] Call Trace:
[  498.185676][ T8622]  <TASK>
[  498.188810][ T8622]  dump_stack_lvl+0x1e7/0x2d0
[  498.193612][ T8622]  ? nf_tcp_handle_invalid+0x650/0x650
[  498.199193][ T8622]  ? panic+0x770/0x770
[  498.203303][ T8622]  sysfs_create_dir_ns+0x2ca/0x390
[  498.208536][ T8622]  ? sysfs_warn_dup+0xa0/0xa0
[  498.213356][ T8622]  kobject_add_internal+0x61d/0xc30
[  498.218808][ T8622]  kobject_add+0x152/0x210
[  498.223346][ T8622]  ? kobject_put+0x3e4/0x430
[  498.228080][ T8622]  ? kobject_init+0x1f0/0x1f0
[  498.232961][ T8622]  ? get_device_parent+0x25d/0x410
[  498.238104][ T8622]  ? device_add+0x30f/0xc90
[  498.242651][ T8622]  device_add+0x449/0xc90
[  498.247105][ T8622]  tty_register_device_attr+0x437/0x960
[  498.252949][ T8622]  ? tty_register_device+0x30/0x30
[  498.258111][ T8622]  ? gsm_dlci_alloc+0x354/0x6e0
[  498.263170][ T8622]  gsm_activate_mux+0xe9/0x290
[  498.268137][ T8622]  gsmld_ioctl+0x1858/0x25b0
[  498.272919][ T8622]  ? tomoyo_path_number_perm+0x663/0x840
[  498.278822][ T8622]  ? gsmld_write+0x120/0x120
[  498.283583][ T8622]  ? __vt_event_wait+0x240/0x240
[  498.288964][ T8622]  ? ldsem_down_read+0xb4/0xe0
[  498.294943][ T8622]  ? gsmld_write+0x120/0x120
[  498.299702][ T8622]  tty_ioctl+0x98c/0xda0
[  498.303942][ T8622]  ? security_file_ioctl+0x81/0xa0
[  498.310002][ T8622]  ? tty_get_icount+0xb0/0xb0
[  498.314668][ T8622]  __se_sys_ioctl+0xf8/0x170
[  498.319337][ T8622]  do_syscall_64+0x41/0xc0
[  498.323750][ T8622]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  498.329725][ T8622] RIP: 0033:0x7f68b62c56e9
[  498.334128][ T8622] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  498.354067][ T8622] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  498.362472][ T8622] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  498.370439][ T8622] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  498.378401][ T8622] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  498.386534][ T8622] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  498.394492][ T8622] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  498.402463][ T8622]  </TASK>
[  498.407187][ T8622] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.580459][ T8626] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  498.598007][ T8626] CPU: 0 PID: 8626 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  498.608316][ T8626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  498.618597][ T8626] Call Trace:
[  498.621933][ T8626]  <TASK>
[  498.624880][ T8626]  dump_stack_lvl+0x1e7/0x2d0
[  498.629677][ T8626]  ? nf_tcp_handle_invalid+0x650/0x650
[  498.635167][ T8626]  ? panic+0x770/0x770
[  498.639272][ T8626]  sysfs_create_dir_ns+0x2ca/0x390
[  498.644414][ T8626]  ? sysfs_warn_dup+0xa0/0xa0
[  498.649123][ T8626]  kobject_add_internal+0x61d/0xc30
[  498.654366][ T8626]  kobject_add+0x152/0x210
[  498.658822][ T8626]  ? kobject_put+0x3e4/0x430
[  498.663706][ T8626]  ? kobject_init+0x1f0/0x1f0
[  498.668425][ T8626]  ? get_device_parent+0x25d/0x410
[  498.673660][ T8626]  ? device_add+0x30f/0xc90
[  498.678192][ T8626]  device_add+0x449/0xc90
[  498.682811][ T8626]  tty_register_device_attr+0x437/0x960
[  498.688391][ T8626]  ? tty_register_device+0x30/0x30
[  498.693538][ T8626]  ? gsm_dlci_alloc+0x354/0x6e0
[  498.698413][ T8626]  gsm_activate_mux+0xe9/0x290
[  498.703213][ T8626]  gsmld_ioctl+0x1858/0x25b0
[  498.707832][ T8626]  ? tomoyo_path_number_perm+0x663/0x840
[  498.713764][ T8626]  ? gsmld_write+0x120/0x120
[  498.718384][ T8626]  ? __vt_event_wait+0x240/0x240
[  498.723364][ T8626]  ? ldsem_down_read+0xb4/0xe0
[  498.728418][ T8626]  ? gsmld_write+0x120/0x120
[  498.733034][ T8626]  tty_ioctl+0x98c/0xda0
[  498.737396][ T8626]  ? security_file_ioctl+0x81/0xa0
[  498.742528][ T8626]  ? tty_get_icount+0xb0/0xb0
[  498.747247][ T8626]  __se_sys_ioctl+0xf8/0x170
[  498.751955][ T8626]  do_syscall_64+0x41/0xc0
[  498.756398][ T8626]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  498.762497][ T8626] RIP: 0033:0x7f68b62c56e9
[  498.767024][ T8626] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  498.786880][ T8626] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  498.795277][ T8626] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  498.803236][ T8626] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  498.811200][ T8626] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  498.819161][ T8626] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  498.827113][ T8626] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  498.835154][ T8626]  </TASK>
[  498.842129][ T8626] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.014159][ T8631] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  499.024274][ T8631] CPU: 0 PID: 8631 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  499.034381][ T8631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  499.044643][ T8631] Call Trace:
[  499.048033][ T8631]  <TASK>
[  499.050987][ T8631]  dump_stack_lvl+0x1e7/0x2d0
[  499.055706][ T8631]  ? nf_tcp_handle_invalid+0x650/0x650
[  499.061191][ T8631]  ? panic+0x770/0x770
[  499.065289][ T8631]  sysfs_create_dir_ns+0x2ca/0x390
[  499.070602][ T8631]  ? sysfs_warn_dup+0xa0/0xa0
[  499.075304][ T8631]  kobject_add_internal+0x61d/0xc30
[  499.080549][ T8631]  kobject_add+0x152/0x210
[  499.085171][ T8631]  ? kobject_put+0x3e4/0x430
[  499.089809][ T8631]  ? kobject_init+0x1f0/0x1f0
[  499.094601][ T8631]  ? get_device_parent+0x25d/0x410
[  499.099759][ T8631]  ? device_add+0x30f/0xc90
[  499.104344][ T8631]  device_add+0x449/0xc90
[  499.108797][ T8631]  tty_register_device_attr+0x437/0x960
[  499.114551][ T8631]  ? tty_register_device+0x30/0x30
[  499.119883][ T8631]  ? gsm_dlci_alloc+0x354/0x6e0
[  499.124867][ T8631]  gsm_activate_mux+0xe9/0x290
[  499.129839][ T8631]  gsmld_ioctl+0x1858/0x25b0
[  499.134458][ T8631]  ? tomoyo_path_number_perm+0x663/0x840
[  499.140303][ T8631]  ? gsmld_write+0x120/0x120
[  499.144918][ T8631]  ? __vt_event_wait+0x240/0x240
[  499.149891][ T8631]  ? ldsem_down_read+0xb4/0xe0
[  499.154792][ T8631]  ? gsmld_write+0x120/0x120
[  499.159433][ T8631]  tty_ioctl+0x98c/0xda0
[  499.163709][ T8631]  ? security_file_ioctl+0x81/0xa0
[  499.168943][ T8631]  ? tty_get_icount+0xb0/0xb0
[  499.173697][ T8631]  __se_sys_ioctl+0xf8/0x170
[  499.178683][ T8631]  do_syscall_64+0x41/0xc0
[  499.183270][ T8631]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  499.189379][ T8631] RIP: 0033:0x7f68b62c56e9
[  499.194082][ T8631] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  499.214069][ T8631] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  499.222682][ T8631] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  499.230751][ T8631] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  499.238753][ T8631] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  499.246818][ T8631] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  499.255031][ T8631] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  499.263421][ T8631]  </TASK>
[  499.271958][ T8631] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.448142][ T8635] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  499.460917][ T8635] CPU: 0 PID: 8635 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  499.471305][ T8635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  499.481743][ T8635] Call Trace:
[  499.485090][ T8635]  <TASK>
[  499.488043][ T8635]  dump_stack_lvl+0x1e7/0x2d0
[  499.492753][ T8635]  ? nf_tcp_handle_invalid+0x650/0x650
[  499.498335][ T8635]  ? panic+0x770/0x770
[  499.502666][ T8635]  sysfs_create_dir_ns+0x2ca/0x390
[  499.508349][ T8635]  ? sysfs_warn_dup+0xa0/0xa0
[  499.513243][ T8635]  kobject_add_internal+0x61d/0xc30
[  499.518742][ T8635]  kobject_add+0x152/0x210
[  499.523161][ T8635]  ? kobject_put+0x3e4/0x430
[  499.527831][ T8635]  ? kobject_init+0x1f0/0x1f0
[  499.532595][ T8635]  ? get_device_parent+0x25d/0x410
[  499.537836][ T8635]  ? device_add+0x30f/0xc90
[  499.542511][ T8635]  device_add+0x449/0xc90
[  499.546835][ T8635]  tty_register_device_attr+0x437/0x960
[  499.552554][ T8635]  ? tty_register_device+0x30/0x30
[  499.557675][ T8635]  ? gsm_dlci_alloc+0x354/0x6e0
[  499.562553][ T8635]  gsm_activate_mux+0xe9/0x290
[  499.567334][ T8635]  gsmld_ioctl+0x1858/0x25b0
[  499.571930][ T8635]  ? tomoyo_path_number_perm+0x663/0x840
[  499.577688][ T8635]  ? gsmld_write+0x120/0x120
[  499.582729][ T8635]  ? __vt_event_wait+0x240/0x240
[  499.587695][ T8635]  ? ldsem_down_read+0xb4/0xe0
[  499.592482][ T8635]  ? gsmld_write+0x120/0x120
[  499.597167][ T8635]  tty_ioctl+0x98c/0xda0
[  499.601589][ T8635]  ? security_file_ioctl+0x81/0xa0
[  499.606714][ T8635]  ? tty_get_icount+0xb0/0xb0
[  499.611422][ T8635]  __se_sys_ioctl+0xf8/0x170
[  499.616294][ T8635]  do_syscall_64+0x41/0xc0
[  499.620819][ T8635]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  499.626839][ T8635] RIP: 0033:0x7f68b62c56e9
[  499.631258][ T8635] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  499.651722][ T8635] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  499.660123][ T8635] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  499.668125][ T8635] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  499.676442][ T8635] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  499.684486][ T8635] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  499.692450][ T8635] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  499.700427][ T8635]  </TASK>
[  499.704033][ T8635] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.704317][ T8636] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  499.726818][ T8636] CPU: 0 PID: 8636 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  499.736910][ T8636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  499.747162][ T8636] Call Trace:
[  499.750463][ T8636]  <TASK>
[  499.753667][ T8636]  dump_stack_lvl+0x1e7/0x2d0
[  499.758461][ T8636]  ? nf_tcp_handle_invalid+0x650/0x650
[  499.763949][ T8636]  ? panic+0x770/0x770
[  499.768055][ T8636]  sysfs_create_dir_ns+0x2ca/0x390
[  499.773323][ T8636]  ? sysfs_warn_dup+0xa0/0xa0
[  499.778040][ T8636]  kobject_add_internal+0x61d/0xc30
[  499.783365][ T8636]  kobject_add+0x152/0x210
[  499.787833][ T8636]  ? kobject_put+0x3e4/0x430
[  499.792549][ T8636]  ? kobject_init+0x1f0/0x1f0
[  499.797347][ T8636]  ? get_device_parent+0x25d/0x410
[  499.802575][ T8636]  ? device_add+0x30f/0xc90
[  499.807110][ T8636]  device_add+0x449/0xc90
[  499.811477][ T8636]  tty_register_device_attr+0x437/0x960
[  499.817158][ T8636]  ? tty_register_device+0x30/0x30
[  499.822306][ T8636]  ? gsm_dlci_alloc+0x354/0x6e0
[  499.827191][ T8636]  gsm_activate_mux+0xe9/0x290
[  499.832167][ T8636]  gsmld_ioctl+0x1858/0x25b0
[  499.836774][ T8636]  ? tomoyo_path_number_perm+0x663/0x840
[  499.842428][ T8636]  ? gsmld_write+0x120/0x120
[  499.847101][ T8636]  ? __vt_event_wait+0x240/0x240
[  499.852211][ T8636]  ? ldsem_down_read+0xb4/0xe0
[  499.857058][ T8636]  ? gsmld_write+0x120/0x120
[  499.861637][ T8636]  tty_ioctl+0x98c/0xda0
[  499.865878][ T8636]  ? security_file_ioctl+0x81/0xa0
[  499.870979][ T8636]  ? tty_get_icount+0xb0/0xb0
[  499.875649][ T8636]  __se_sys_ioctl+0xf8/0x170
[  499.880321][ T8636]  do_syscall_64+0x41/0xc0
[  499.884735][ T8636]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  499.890709][ T8636] RIP: 0033:0x7f68b62c56e9
[  499.895114][ T8636] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  499.914885][ T8636] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  499.923378][ T8636] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  499.931429][ T8636] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  499.939659][ T8636] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  499.947706][ T8636] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  499.955798][ T8636] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  499.963788][ T8636]  </TASK>
[  499.967397][ T8636] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.139462][ T8639] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  500.151739][ T8639] CPU: 0 PID: 8639 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  500.162304][ T8639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  500.172488][ T8639] Call Trace:
[  500.175877][ T8639]  <TASK>
[  500.178825][ T8639]  dump_stack_lvl+0x1e7/0x2d0
[  500.183622][ T8639]  ? nf_tcp_handle_invalid+0x650/0x650
[  500.189731][ T8639]  ? panic+0x770/0x770
[  500.193836][ T8639]  sysfs_create_dir_ns+0x2ca/0x390
[  500.198981][ T8639]  ? sysfs_warn_dup+0xa0/0xa0
[  500.203693][ T8639]  kobject_add_internal+0x61d/0xc30
[  500.209021][ T8639]  kobject_add+0x152/0x210
[  500.213530][ T8639]  ? kobject_put+0x3e4/0x430
[  500.218115][ T8639]  ? kobject_init+0x1f0/0x1f0
[  500.222959][ T8639]  ? get_device_parent+0x25d/0x410
[  500.228156][ T8639]  ? device_add+0x30f/0xc90
[  500.232659][ T8639]  device_add+0x449/0xc90
[  500.237260][ T8639]  tty_register_device_attr+0x437/0x960
[  500.243074][ T8639]  ? tty_register_device+0x30/0x30
[  500.248575][ T8639]  ? gsm_dlci_alloc+0x354/0x6e0
[  500.253439][ T8639]  gsm_activate_mux+0xe9/0x290
[  500.258293][ T8639]  gsmld_ioctl+0x1858/0x25b0
[  500.262962][ T8639]  ? tomoyo_path_number_perm+0x663/0x840
[  500.268599][ T8639]  ? gsmld_write+0x120/0x120
[  500.273369][ T8639]  ? __vt_event_wait+0x240/0x240
[  500.278393][ T8639]  ? ldsem_down_read+0xb4/0xe0
[  500.283244][ T8639]  ? gsmld_write+0x120/0x120
[  500.287831][ T8639]  tty_ioctl+0x98c/0xda0
[  500.292151][ T8639]  ? security_file_ioctl+0x81/0xa0
[  500.297263][ T8639]  ? tty_get_icount+0xb0/0xb0
[  500.301936][ T8639]  __se_sys_ioctl+0xf8/0x170
[  500.306537][ T8639]  do_syscall_64+0x41/0xc0
[  500.310951][ T8639]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  500.317022][ T8639] RIP: 0033:0x7f68b62c56e9
[  500.321704][ T8639] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  500.342082][ T8639] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  500.350604][ T8639] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  500.358674][ T8639] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  500.366919][ T8639] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  500.375145][ T8639] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  500.383279][ T8639] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  500.391471][ T8639]  </TASK>
[  500.395557][ T8640] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  500.399388][ T8639] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.404267][ T8640] CPU: 0 PID: 8640 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  500.428662][ T8640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  500.438730][ T8640] Call Trace:
[  500.442092][ T8640]  <TASK>
[  500.445016][ T8640]  dump_stack_lvl+0x1e7/0x2d0
[  500.449846][ T8640]  ? nf_tcp_handle_invalid+0x650/0x650
[  500.455577][ T8640]  ? panic+0x770/0x770
[  500.459646][ T8640]  sysfs_create_dir_ns+0x2ca/0x390
[  500.464754][ T8640]  ? sysfs_warn_dup+0xa0/0xa0
[  500.469954][ T8640]  kobject_add_internal+0x61d/0xc30
[  500.475271][ T8640]  kobject_add+0x152/0x210
[  500.479888][ T8640]  ? kobject_put+0x3e4/0x430
[  500.484586][ T8640]  ? kobject_init+0x1f0/0x1f0
[  500.489358][ T8640]  ? get_device_parent+0x25d/0x410
[  500.494649][ T8640]  ? device_add+0x30f/0xc90
[  500.499243][ T8640]  device_add+0x449/0xc90
[  500.503597][ T8640]  tty_register_device_attr+0x437/0x960
[  500.509176][ T8640]  ? tty_register_device+0x30/0x30
[  500.514544][ T8640]  ? gsm_dlci_alloc+0x354/0x6e0
[  500.519505][ T8640]  gsm_activate_mux+0xe9/0x290
[  500.524272][ T8640]  gsmld_ioctl+0x1858/0x25b0
[  500.528951][ T8640]  ? tomoyo_path_number_perm+0x663/0x840
[  500.534682][ T8640]  ? gsmld_write+0x120/0x120
[  500.539377][ T8640]  ? __vt_event_wait+0x240/0x240
[  500.544327][ T8640]  ? ldsem_down_read+0xb4/0xe0
[  500.549100][ T8640]  ? gsmld_write+0x120/0x120
[  500.553687][ T8640]  tty_ioctl+0x98c/0xda0
[  500.557927][ T8640]  ? security_file_ioctl+0x81/0xa0
[  500.563071][ T8640]  ? tty_get_icount+0xb0/0xb0
[  500.567750][ T8640]  __se_sys_ioctl+0xf8/0x170
[  500.572431][ T8640]  do_syscall_64+0x41/0xc0
[  500.576850][ T8640]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  500.582827][ T8640] RIP: 0033:0x7f68b62c56e9
[  500.587237][ T8640] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  500.607390][ T8640] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  500.616079][ T8640] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  500.624310][ T8640] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  500.632285][ T8640] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  500.640369][ T8640] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  500.648695][ T8640] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  500.656786][ T8640]  </TASK>
[  500.661436][ T8640] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.887450][ T8643] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  500.909216][ T8643] CPU: 1 PID: 8643 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  500.919600][ T8643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  500.930229][ T8643] Call Trace:
[  500.933676][ T8643]  <TASK>
[  500.936627][ T8643]  dump_stack_lvl+0x1e7/0x2d0
[  500.941526][ T8643]  ? nf_tcp_handle_invalid+0x650/0x650
[  500.947102][ T8643]  ? panic+0x770/0x770
[  500.951569][ T8643]  sysfs_create_dir_ns+0x2ca/0x390
[  500.956717][ T8643]  ? sysfs_warn_dup+0xa0/0xa0
[  500.961642][ T8643]  kobject_add_internal+0x61d/0xc30
[  500.966977][ T8643]  kobject_add+0x152/0x210
[  500.971428][ T8643]  ? kobject_put+0x3e4/0x430
[  500.978050][ T8643]  ? kobject_init+0x1f0/0x1f0
[  500.983119][ T8643]  ? get_device_parent+0x25d/0x410
[  500.988444][ T8643]  ? device_add+0x30f/0xc90
[  500.993134][ T8643]  device_add+0x449/0xc90
[  500.997728][ T8643]  tty_register_device_attr+0x437/0x960
[  501.003469][ T8643]  ? tty_register_device+0x30/0x30
[  501.008586][ T8643]  ? gsm_dlci_alloc+0x354/0x6e0
[  501.013447][ T8643]  gsm_activate_mux+0xe9/0x290
[  501.018295][ T8643]  gsmld_ioctl+0x1858/0x25b0
[  501.023061][ T8643]  ? tomoyo_path_number_perm+0x663/0x840
[  501.028788][ T8643]  ? gsmld_write+0x120/0x120
[  501.033474][ T8643]  ? __vt_event_wait+0x240/0x240
[  501.038501][ T8643]  ? ldsem_down_read+0xb4/0xe0
[  501.043474][ T8643]  ? gsmld_write+0x120/0x120
[  501.048155][ T8643]  tty_ioctl+0x98c/0xda0
[  501.052428][ T8643]  ? security_file_ioctl+0x81/0xa0
[  501.057629][ T8643]  ? tty_get_icount+0xb0/0xb0
[  501.062451][ T8643]  __se_sys_ioctl+0xf8/0x170
[  501.067309][ T8643]  do_syscall_64+0x41/0xc0
[  501.071815][ T8643]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  501.078056][ T8643] RIP: 0033:0x7f68b62c56e9
[  501.082473][ T8643] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  501.103241][ T8643] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  501.112177][ T8643] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  501.120712][ T8643] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  501.128851][ T8643] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  501.136821][ T8643] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  501.144785][ T8643] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  501.153289][ T8643]  </TASK>
[  501.178665][ T8643] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.365722][ T8646] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  501.384096][ T8646] CPU: 0 PID: 8646 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  501.394655][ T8646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  501.404745][ T8646] Call Trace:
[  501.408171][ T8646]  <TASK>
[  501.411209][ T8646]  dump_stack_lvl+0x1e7/0x2d0
[  501.416197][ T8646]  ? nf_tcp_handle_invalid+0x650/0x650
[  501.421744][ T8646]  ? panic+0x770/0x770
[  501.426461][ T8646]  sysfs_create_dir_ns+0x2ca/0x390
[  501.431869][ T8646]  ? sysfs_warn_dup+0xa0/0xa0
[  501.437376][ T8646]  kobject_add_internal+0x61d/0xc30
[  501.442886][ T8646]  kobject_add+0x152/0x210
[  501.447428][ T8646]  ? kobject_put+0x3e4/0x430
[  501.452053][ T8646]  ? kobject_init+0x1f0/0x1f0
[  501.457029][ T8646]  ? get_device_parent+0x25d/0x410
[  501.462179][ T8646]  ? device_add+0x30f/0xc90
[  501.466894][ T8646]  device_add+0x449/0xc90
[  501.471460][ T8646]  tty_register_device_attr+0x437/0x960
[  501.477227][ T8646]  ? tty_register_device+0x30/0x30
[  501.482470][ T8646]  ? gsm_dlci_alloc+0x354/0x6e0
[  501.487362][ T8646]  gsm_activate_mux+0xe9/0x290
[  501.492153][ T8646]  gsmld_ioctl+0x1858/0x25b0
[  501.496840][ T8646]  ? tomoyo_path_number_perm+0x663/0x840
[  501.503289][ T8646]  ? gsmld_write+0x120/0x120
[  501.507998][ T8646]  ? __vt_event_wait+0x240/0x240
[  501.513056][ T8646]  ? ldsem_down_read+0xb4/0xe0
[  501.517914][ T8646]  ? gsmld_write+0x120/0x120
[  501.522759][ T8646]  tty_ioctl+0x98c/0xda0
[  501.527087][ T8646]  ? security_file_ioctl+0x81/0xa0
[  501.532287][ T8646]  ? tty_get_icount+0xb0/0xb0
[  501.537047][ T8646]  __se_sys_ioctl+0xf8/0x170
[  501.541635][ T8646]  do_syscall_64+0x41/0xc0
[  501.546139][ T8646]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  501.552042][ T8646] RIP: 0033:0x7f68b62c56e9
[  501.556447][ T8646] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  501.576404][ T8646] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  501.584985][ T8646] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  501.593071][ T8646] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  501.601133][ T8646] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  501.609219][ T8646] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  501.617554][ T8646] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  501.625740][ T8646]  </TASK>
[  501.653823][ T8646] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.799595][ T1240] ieee802154 phy0 wpan0: encryption failed: -22
[  501.806400][ T1240] ieee802154 phy1 wpan1: encryption failed: -22
[  501.829387][ T8650] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  501.855368][ T8650] CPU: 0 PID: 8650 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  501.865962][ T8650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  501.876126][ T8650] Call Trace:
[  501.879960][ T8650]  <TASK>
[  501.883094][ T8650]  dump_stack_lvl+0x1e7/0x2d0
[  501.889128][ T8650]  ? nf_tcp_handle_invalid+0x650/0x650
[  501.894807][ T8650]  ? panic+0x770/0x770
[  501.899136][ T8650]  sysfs_create_dir_ns+0x2ca/0x390
[  501.904481][ T8650]  ? sysfs_warn_dup+0xa0/0xa0
[  501.909731][ T8650]  kobject_add_internal+0x61d/0xc30
[  501.915250][ T8650]  kobject_add+0x152/0x210
[  501.919979][ T8650]  ? kobject_put+0x3e4/0x430
[  501.924901][ T8650]  ? kobject_init+0x1f0/0x1f0
[  501.931539][ T8650]  ? get_device_parent+0x25d/0x410
[  501.936885][ T8650]  ? device_add+0x30f/0xc90
[  501.941686][ T8650]  device_add+0x449/0xc90
[  501.946239][ T8650]  tty_register_device_attr+0x437/0x960
[  501.952315][ T8650]  ? tty_register_device+0x30/0x30
[  501.957740][ T8650]  ? gsm_dlci_alloc+0x354/0x6e0
[  501.963835][ T8650]  gsm_activate_mux+0xe9/0x290
[  501.969268][ T8650]  gsmld_ioctl+0x1858/0x25b0
[  501.975039][ T8650]  ? tomoyo_path_number_perm+0x663/0x840
[  501.981005][ T8650]  ? gsmld_write+0x120/0x120
[  501.986535][ T8650]  ? __vt_event_wait+0x240/0x240
[  501.992051][ T8650]  ? ldsem_down_read+0xb4/0xe0
[  501.997304][ T8650]  ? gsmld_write+0x120/0x120
[  502.001944][ T8650]  tty_ioctl+0x98c/0xda0
[  502.006347][ T8650]  ? security_file_ioctl+0x81/0xa0
[  502.011771][ T8650]  ? tty_get_icount+0xb0/0xb0
[  502.016503][ T8650]  __se_sys_ioctl+0xf8/0x170
[  502.021129][ T8650]  do_syscall_64+0x41/0xc0
[  502.025760][ T8650]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  502.032151][ T8650] RIP: 0033:0x7f68b62c56e9
[  502.036569][ T8650] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  502.057637][ T8650] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  502.066132][ T8650] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  502.074188][ T8650] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  502.082156][ T8650] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  502.090127][ T8650] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  502.098125][ T8650] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  502.106099][ T8650]  </TASK>
[  502.110003][ T8650] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.296337][ T8653] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  502.306199][ T8653] CPU: 0 PID: 8653 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  502.318200][ T8653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  502.328751][ T8653] Call Trace:
[  502.332055][ T8653]  <TASK>
[  502.335009][ T8653]  dump_stack_lvl+0x1e7/0x2d0
[  502.339727][ T8653]  ? nf_tcp_handle_invalid+0x650/0x650
[  502.345312][ T8653]  ? panic+0x770/0x770
[  502.349775][ T8653]  sysfs_create_dir_ns+0x2ca/0x390
[  502.355186][ T8653]  ? sysfs_warn_dup+0xa0/0xa0
[  502.360003][ T8653]  kobject_add_internal+0x61d/0xc30
[  502.365252][ T8653]  kobject_add+0x152/0x210
[  502.370316][ T8653]  ? kobject_put+0x3e4/0x430
[  502.375437][ T8653]  ? kobject_init+0x1f0/0x1f0
[  502.380947][ T8653]  ? get_device_parent+0x25d/0x410
[  502.386451][ T8653]  ? device_add+0x30f/0xc90
[  502.391092][ T8653]  device_add+0x449/0xc90
[  502.395639][ T8653]  tty_register_device_attr+0x437/0x960
[  502.401447][ T8653]  ? tty_register_device+0x30/0x30
[  502.406877][ T8653]  ? gsm_dlci_alloc+0x354/0x6e0
[  502.411856][ T8653]  gsm_activate_mux+0xe9/0x290
[  502.416665][ T8653]  gsmld_ioctl+0x1858/0x25b0
[  502.421384][ T8653]  ? tomoyo_path_number_perm+0x663/0x840
[  502.427151][ T8653]  ? gsmld_write+0x120/0x120
[  502.432111][ T8653]  ? __vt_event_wait+0x240/0x240
[  502.437099][ T8653]  ? ldsem_down_read+0xb4/0xe0
[  502.442168][ T8653]  ? gsmld_write+0x120/0x120
[  502.446800][ T8653]  tty_ioctl+0x98c/0xda0
[  502.451093][ T8653]  ? security_file_ioctl+0x81/0xa0
[  502.456372][ T8653]  ? tty_get_icount+0xb0/0xb0
[  502.461263][ T8653]  __se_sys_ioctl+0xf8/0x170
[  502.465895][ T8653]  do_syscall_64+0x41/0xc0
[  502.470350][ T8653]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  502.476281][ T8653] RIP: 0033:0x7f68b62c56e9
[  502.481156][ T8653] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  502.502294][ T8653] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  502.511144][ T8653] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  502.519829][ T8653] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  502.527987][ T8653] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  502.536705][ T8653] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  502.546211][ T8653] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  502.554620][ T8653]  </TASK>
[  502.558159][ T8653] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.745278][ T8657] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  502.764570][ T8657] CPU: 0 PID: 8657 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  502.775292][ T8657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  502.785642][ T8657] Call Trace:
[  502.788946][ T8657]  <TASK>
[  502.792092][ T8657]  dump_stack_lvl+0x1e7/0x2d0
[  502.797075][ T8657]  ? nf_tcp_handle_invalid+0x650/0x650
[  502.802665][ T8657]  ? panic+0x770/0x770
[  502.806815][ T8657]  sysfs_create_dir_ns+0x2ca/0x390
[  502.812367][ T8657]  ? sysfs_warn_dup+0xa0/0xa0
[  502.817577][ T8657]  kobject_add_internal+0x61d/0xc30
[  502.822987][ T8657]  kobject_add+0x152/0x210
[  502.827711][ T8657]  ? kobject_put+0x3e4/0x430
[  502.832409][ T8657]  ? kobject_init+0x1f0/0x1f0
[  502.837388][ T8657]  ? get_device_parent+0x25d/0x410
[  502.842855][ T8657]  ? device_add+0x30f/0xc90
[  502.847537][ T8657]  device_add+0x449/0xc90
[  502.852343][ T8657]  tty_register_device_attr+0x437/0x960
[  502.859182][ T8657]  ? tty_register_device+0x30/0x30
[  502.864304][ T8657]  ? gsm_dlci_alloc+0x354/0x6e0
[  502.870376][ T8657]  gsm_activate_mux+0xe9/0x290
[  502.875491][ T8657]  gsmld_ioctl+0x1858/0x25b0
[  502.880253][ T8657]  ? tomoyo_path_number_perm+0x663/0x840
[  502.886075][ T8657]  ? gsmld_write+0x120/0x120
[  502.890881][ T8657]  ? __vt_event_wait+0x240/0x240
[  502.896115][ T8657]  ? ldsem_down_read+0xb4/0xe0
[  502.901061][ T8657]  ? gsmld_write+0x120/0x120
[  502.905653][ T8657]  tty_ioctl+0x98c/0xda0
[  502.910503][ T8657]  ? security_file_ioctl+0x81/0xa0
[  502.915976][ T8657]  ? tty_get_icount+0xb0/0xb0
[  502.921049][ T8657]  __se_sys_ioctl+0xf8/0x170
[  502.926301][ T8657]  do_syscall_64+0x41/0xc0
[  502.931205][ T8657]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  502.937189][ T8657] RIP: 0033:0x7f68b62c56e9
[  502.941945][ T8657] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  502.964536][ T8657] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  502.974638][ T8657] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  502.983889][ T8657] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  502.992564][ T8657] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  503.001619][ T8657] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  503.012762][ T8657] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  503.021405][ T8657]  </TASK>
[  503.039731][ T8657] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.049677][ T8658] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.065628][ T8658] CPU: 1 PID: 8658 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  503.076105][ T8658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  503.087512][ T8658] Call Trace:
[  503.090917][ T8658]  <TASK>
[  503.094258][ T8658]  dump_stack_lvl+0x1e7/0x2d0
[  503.099246][ T8658]  ? nf_tcp_handle_invalid+0x650/0x650
[  503.105466][ T8658]  ? panic+0x770/0x770
[  503.110113][ T8658]  sysfs_create_dir_ns+0x2ca/0x390
[  503.116094][ T8658]  ? sysfs_warn_dup+0xa0/0xa0
[  503.121614][ T8658]  kobject_add_internal+0x61d/0xc30
[  503.126876][ T8658]  kobject_add+0x152/0x210
[  503.131785][ T8658]  ? kobject_put+0x3e4/0x430
[  503.136596][ T8658]  ? kobject_init+0x1f0/0x1f0
[  503.141503][ T8658]  ? get_device_parent+0x25d/0x410
[  503.147097][ T8658]  ? device_add+0x30f/0xc90
[  503.152004][ T8658]  device_add+0x449/0xc90
[  503.156381][ T8658]  tty_register_device_attr+0x437/0x960
[  503.162038][ T8658]  ? tty_register_device+0x30/0x30
[  503.167276][ T8658]  ? gsm_dlci_alloc+0x354/0x6e0
[  503.172587][ T8658]  gsm_activate_mux+0xe9/0x290
[  503.178064][ T8658]  gsmld_ioctl+0x1858/0x25b0
[  503.183245][ T8658]  ? tomoyo_path_number_perm+0x663/0x840
[  503.189610][ T8658]  ? gsmld_write+0x120/0x120
[  503.194660][ T8658]  ? __vt_event_wait+0x240/0x240
[  503.200782][ T8658]  ? ldsem_down_read+0xb4/0xe0
[  503.206018][ T8658]  ? gsmld_write+0x120/0x120
[  503.211010][ T8658]  tty_ioctl+0x98c/0xda0
[  503.216099][ T8658]  ? security_file_ioctl+0x81/0xa0
[  503.221373][ T8658]  ? tty_get_icount+0xb0/0xb0
[  503.226350][ T8658]  __se_sys_ioctl+0xf8/0x170
[  503.230973][ T8658]  do_syscall_64+0x41/0xc0
[  503.235585][ T8658]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  503.241497][ T8658] RIP: 0033:0x7f68b62c56e9
[  503.246008][ T8658] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  503.266867][ T8658] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  503.275662][ T8658] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  503.283640][ T8658] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  503.292175][ T8658] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  503.300153][ T8658] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  503.308457][ T8658] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  503.316821][ T8658]  </TASK>
[  503.322380][ T8658] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.501634][ T8661] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.521738][ T8661] CPU: 1 PID: 8661 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  503.532400][ T8661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  503.543020][ T8661] Call Trace:
[  503.546413][ T8661]  <TASK>
[  503.549365][ T8661]  dump_stack_lvl+0x1e7/0x2d0
[  503.554595][ T8661]  ? nf_tcp_handle_invalid+0x650/0x650
[  503.560353][ T8661]  ? panic+0x770/0x770
[  503.564495][ T8661]  sysfs_create_dir_ns+0x2ca/0x390
[  503.569778][ T8661]  ? sysfs_warn_dup+0xa0/0xa0
[  503.574500][ T8661]  kobject_add_internal+0x61d/0xc30
[  503.579840][ T8661]  kobject_add+0x152/0x210
[  503.584378][ T8661]  ? kobject_put+0x3e4/0x430
[  503.589035][ T8661]  ? kobject_init+0x1f0/0x1f0
[  503.594278][ T8661]  ? get_device_parent+0x25d/0x410
[  503.599801][ T8661]  ? device_add+0x30f/0xc90
[  503.604399][ T8661]  device_add+0x449/0xc90
[  503.610109][ T8661]  tty_register_device_attr+0x437/0x960
[  503.616078][ T8661]  ? tty_register_device+0x30/0x30
[  503.623428][ T8661]  ? gsm_dlci_alloc+0x354/0x6e0
[  503.629897][ T8661]  gsm_activate_mux+0xe9/0x290
[  503.635157][ T8661]  gsmld_ioctl+0x1858/0x25b0
[  503.640044][ T8661]  ? tomoyo_path_number_perm+0x663/0x840
[  503.645988][ T8661]  ? gsmld_write+0x120/0x120
[  503.651281][ T8661]  ? __vt_event_wait+0x240/0x240
[  503.656714][ T8661]  ? ldsem_down_read+0xb4/0xe0
[  503.661886][ T8661]  ? gsmld_write+0x120/0x120
[  503.667131][ T8661]  tty_ioctl+0x98c/0xda0
[  503.671508][ T8661]  ? security_file_ioctl+0x81/0xa0
[  503.677004][ T8661]  ? tty_get_icount+0xb0/0xb0
[  503.682164][ T8661]  __se_sys_ioctl+0xf8/0x170
[  503.687576][ T8661]  do_syscall_64+0x41/0xc0
[  503.692047][ T8661]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  503.698507][ T8661] RIP: 0033:0x7f68b62c56e9
[  503.703038][ T8661] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  503.724746][ T8661] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  503.733509][ T8661] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  503.741575][ T8661] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  503.749929][ T8661] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  503.758629][ T8661] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  503.766990][ T8661] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  503.775345][ T8661]  </TASK>
[  503.779047][ T8661] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.954834][ T8664] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.966925][ T8664] CPU: 0 PID: 8664 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  503.977768][ T8664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  503.988055][ T8664] Call Trace:
[  503.991492][ T8664]  <TASK>
[  503.994479][ T8664]  dump_stack_lvl+0x1e7/0x2d0
[  503.999296][ T8664]  ? nf_tcp_handle_invalid+0x650/0x650
[  504.004884][ T8664]  ? panic+0x770/0x770
[  504.009193][ T8664]  sysfs_create_dir_ns+0x2ca/0x390
[  504.014534][ T8664]  ? sysfs_warn_dup+0xa0/0xa0
[  504.019252][ T8664]  kobject_add_internal+0x61d/0xc30
[  504.024569][ T8664]  kobject_add+0x152/0x210
[  504.029100][ T8664]  ? kobject_put+0x3e4/0x430
[  504.033713][ T8664]  ? kobject_init+0x1f0/0x1f0
[  504.038396][ T8664]  ? get_device_parent+0x25d/0x410
[  504.043537][ T8664]  ? device_add+0x30f/0xc90
[  504.048079][ T8664]  device_add+0x449/0xc90
[  504.052458][ T8664]  tty_register_device_attr+0x437/0x960
[  504.058053][ T8664]  ? tty_register_device+0x30/0x30
[  504.063704][ T8664]  ? gsm_dlci_alloc+0x354/0x6e0
[  504.068560][ T8664]  gsm_activate_mux+0xe9/0x290
[  504.073675][ T8664]  gsmld_ioctl+0x1858/0x25b0
[  504.078352][ T8664]  ? tomoyo_path_number_perm+0x663/0x840
[  504.085819][ T8664]  ? gsmld_write+0x120/0x120
[  504.090437][ T8664]  ? __vt_event_wait+0x240/0x240
[  504.095491][ T8664]  ? ldsem_down_read+0xb4/0xe0
[  504.100549][ T8664]  ? gsmld_write+0x120/0x120
[  504.105324][ T8664]  tty_ioctl+0x98c/0xda0
[  504.110536][ T8664]  ? security_file_ioctl+0x81/0xa0
[  504.115674][ T8664]  ? tty_get_icount+0xb0/0xb0
[  504.120454][ T8664]  __se_sys_ioctl+0xf8/0x170
[  504.125059][ T8664]  do_syscall_64+0x41/0xc0
[  504.129562][ T8664]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  504.135655][ T8664] RIP: 0033:0x7f68b62c56e9
[  504.140273][ T8664] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  504.160437][ T8664] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  504.169204][ T8664] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  504.177177][ T8664] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  504.185681][ T8664] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  504.194123][ T8664] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  504.202181][ T8664] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  504.210389][ T8664]  </TASK>
[  504.214566][ T8664] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.439481][ T8667] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  504.467282][ T8667] CPU: 0 PID: 8667 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  504.477492][ T8667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  504.487821][ T8667] Call Trace:
[  504.491415][ T8667]  <TASK>
[  504.494658][ T8667]  dump_stack_lvl+0x1e7/0x2d0
[  504.499578][ T8667]  ? nf_tcp_handle_invalid+0x650/0x650
[  504.505188][ T8667]  ? panic+0x770/0x770
[  504.509408][ T8667]  sysfs_create_dir_ns+0x2ca/0x390
[  504.514745][ T8667]  ? sysfs_warn_dup+0xa0/0xa0
[  504.519819][ T8667]  kobject_add_internal+0x61d/0xc30
[  504.525067][ T8667]  kobject_add+0x152/0x210
[  504.530501][ T8667]  ? kobject_put+0x3e4/0x430
[  504.535225][ T8667]  ? kobject_init+0x1f0/0x1f0
[  504.539949][ T8667]  ? get_device_parent+0x25d/0x410
[  504.545211][ T8667]  ? device_add+0x30f/0xc90
[  504.550145][ T8667]  device_add+0x449/0xc90
[  504.554521][ T8667]  tty_register_device_attr+0x437/0x960
[  504.560479][ T8667]  ? tty_register_device+0x30/0x30
[  504.565648][ T8667]  ? gsm_dlci_alloc+0x354/0x6e0
[  504.570629][ T8667]  gsm_activate_mux+0xe9/0x290
[  504.575660][ T8667]  gsmld_ioctl+0x1858/0x25b0
[  504.580606][ T8667]  ? tomoyo_path_number_perm+0x663/0x840
[  504.586391][ T8667]  ? gsmld_write+0x120/0x120
[  504.591113][ T8667]  ? __vt_event_wait+0x240/0x240
[  504.596508][ T8667]  ? ldsem_down_read+0xb4/0xe0
[  504.601455][ T8667]  ? gsmld_write+0x120/0x120
[  504.606397][ T8667]  tty_ioctl+0x98c/0xda0
[  504.610832][ T8667]  ? security_file_ioctl+0x81/0xa0
[  504.616210][ T8667]  ? tty_get_icount+0xb0/0xb0
[  504.621058][ T8667]  __se_sys_ioctl+0xf8/0x170
[  504.625923][ T8667]  do_syscall_64+0x41/0xc0
[  504.630519][ T8667]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  504.636653][ T8667] RIP: 0033:0x7f68b62c56e9
[  504.641174][ T8667] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  504.661128][ T8667] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  504.669714][ T8667] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  504.677979][ T8667] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  504.686304][ T8667] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  504.694384][ T8667] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  504.702437][ T8667] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  504.710526][ T8667]  </TASK>
[  504.721499][ T8667] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.893707][ T8670] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  504.907408][ T8670] CPU: 1 PID: 8670 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  504.917712][ T8670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  504.927892][ T8670] Call Trace:
[  504.931410][ T8670]  <TASK>
[  504.934458][ T8670]  dump_stack_lvl+0x1e7/0x2d0
[  504.939196][ T8670]  ? nf_tcp_handle_invalid+0x650/0x650
[  504.944871][ T8670]  ? panic+0x770/0x770
[  504.948985][ T8670]  sysfs_create_dir_ns+0x2ca/0x390
[  504.954229][ T8670]  ? sysfs_warn_dup+0xa0/0xa0
[  504.959128][ T8670]  kobject_add_internal+0x61d/0xc30
[  504.964643][ T8670]  kobject_add+0x152/0x210
[  504.969379][ T8670]  ? kobject_put+0x3e4/0x430
[  504.974190][ T8670]  ? kobject_init+0x1f0/0x1f0
[  504.979277][ T8670]  ? get_device_parent+0x25d/0x410
[  504.984519][ T8670]  ? device_add+0x30f/0xc90
[  504.989065][ T8670]  device_add+0x449/0xc90
[  504.993593][ T8670]  tty_register_device_attr+0x437/0x960
[  504.999363][ T8670]  ? tty_register_device+0x30/0x30
[  505.004523][ T8670]  ? gsm_dlci_alloc+0x354/0x6e0
[  505.009445][ T8670]  gsm_activate_mux+0xe9/0x290
[  505.014684][ T8670]  gsmld_ioctl+0x1858/0x25b0
[  505.019836][ T8670]  ? tomoyo_path_number_perm+0x663/0x840
[  505.025694][ T8670]  ? gsmld_write+0x120/0x120
[  505.030678][ T8670]  ? __vt_event_wait+0x240/0x240
[  505.035928][ T8670]  ? ldsem_down_read+0xb4/0xe0
[  505.040919][ T8670]  ? gsmld_write+0x120/0x120
[  505.045734][ T8670]  tty_ioctl+0x98c/0xda0
[  505.050015][ T8670]  ? security_file_ioctl+0x81/0xa0
[  505.055172][ T8670]  ? tty_get_icount+0xb0/0xb0
[  505.059990][ T8670]  __se_sys_ioctl+0xf8/0x170
[  505.064708][ T8670]  do_syscall_64+0x41/0xc0
[  505.069419][ T8670]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  505.075431][ T8670] RIP: 0033:0x7f68b62c56e9
[  505.080306][ T8670] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  505.100204][ T8670] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  505.108670][ T8670] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  505.117170][ T8670] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  505.125868][ T8670] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  505.134294][ T8670] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  505.142365][ T8670] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  505.150437][ T8670]  </TASK>
[  505.156185][ T8670] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.333567][ T8673] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  505.344684][ T8673] CPU: 0 PID: 8673 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  505.354886][ T8673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  505.365222][ T8673] Call Trace:
[  505.368522][ T8673]  <TASK>
[  505.371472][ T8673]  dump_stack_lvl+0x1e7/0x2d0
[  505.376364][ T8673]  ? nf_tcp_handle_invalid+0x650/0x650
[  505.381943][ T8673]  ? panic+0x770/0x770
[  505.386314][ T8673]  sysfs_create_dir_ns+0x2ca/0x390
[  505.391650][ T8673]  ? sysfs_warn_dup+0xa0/0xa0
[  505.396549][ T8673]  kobject_add_internal+0x61d/0xc30
[  505.401970][ T8673]  kobject_add+0x152/0x210
[  505.406495][ T8673]  ? kobject_put+0x3e4/0x430
[  505.411180][ T8673]  ? kobject_init+0x1f0/0x1f0
[  505.415956][ T8673]  ? get_device_parent+0x25d/0x410
[  505.421072][ T8673]  ? device_add+0x30f/0xc90
[  505.425587][ T8673]  device_add+0x449/0xc90
[  505.430015][ T8673]  tty_register_device_attr+0x437/0x960
[  505.435569][ T8673]  ? tty_register_device+0x30/0x30
[  505.440776][ T8673]  ? gsm_dlci_alloc+0x354/0x6e0
[  505.445713][ T8673]  gsm_activate_mux+0xe9/0x290
[  505.450482][ T8673]  gsmld_ioctl+0x1858/0x25b0
[  505.455075][ T8673]  ? tomoyo_path_number_perm+0x663/0x840
[  505.460736][ T8673]  ? gsmld_write+0x120/0x120
[  505.465453][ T8673]  ? __vt_event_wait+0x240/0x240
[  505.470592][ T8673]  ? ldsem_down_read+0xb4/0xe0
[  505.475374][ T8673]  ? gsmld_write+0x120/0x120
[  505.479990][ T8673]  tty_ioctl+0x98c/0xda0
[  505.484258][ T8673]  ? security_file_ioctl+0x81/0xa0
[  505.489406][ T8673]  ? tty_get_icount+0xb0/0xb0
[  505.494285][ T8673]  __se_sys_ioctl+0xf8/0x170
[  505.499000][ T8673]  do_syscall_64+0x41/0xc0
[  505.503517][ T8673]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  505.509591][ T8673] RIP: 0033:0x7f68b62c56e9
[  505.514179][ T8673] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  505.534669][ T8673] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  505.543081][ T8673] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  505.551491][ T8673] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  505.559632][ T8673] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  505.567899][ T8673] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  505.576836][ T8673] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  505.585262][ T8673]  </TASK>
[  505.606180][ T8673] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.643013][ T8674] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  505.656819][ T8674] CPU: 1 PID: 8674 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  505.667986][ T8674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  505.679467][ T8674] Call Trace:
[  505.682868][ T8674]  <TASK>
[  505.685962][ T8674]  dump_stack_lvl+0x1e7/0x2d0
[  505.690676][ T8674]  ? nf_tcp_handle_invalid+0x650/0x650
[  505.696254][ T8674]  ? panic+0x770/0x770
[  505.700335][ T8674]  sysfs_create_dir_ns+0x2ca/0x390
[  505.705543][ T8674]  ? sysfs_warn_dup+0xa0/0xa0
[  505.710836][ T8674]  kobject_add_internal+0x61d/0xc30
[  505.716154][ T8674]  kobject_add+0x152/0x210
[  505.720625][ T8674]  ? kobject_put+0x3e4/0x430
[  505.725652][ T8674]  ? kobject_init+0x1f0/0x1f0
[  505.730518][ T8674]  ? get_device_parent+0x25d/0x410
[  505.735647][ T8674]  ? device_add+0x30f/0xc90
[  505.740165][ T8674]  device_add+0x449/0xc90
[  505.744684][ T8674]  tty_register_device_attr+0x437/0x960
[  505.750526][ T8674]  ? tty_register_device+0x30/0x30
[  505.756000][ T8674]  ? gsm_dlci_alloc+0x354/0x6e0
[  505.762203][ T8674]  gsm_activate_mux+0xe9/0x290
[  505.767737][ T8674]  gsmld_ioctl+0x1858/0x25b0
[  505.772821][ T8674]  ? tomoyo_path_number_perm+0x663/0x840
[  505.778484][ T8674]  ? gsmld_write+0x120/0x120
[  505.783266][ T8674]  ? __vt_event_wait+0x240/0x240
[  505.788392][ T8674]  ? ldsem_down_read+0xb4/0xe0
[  505.793512][ T8674]  ? gsmld_write+0x120/0x120
[  505.798538][ T8674]  tty_ioctl+0x98c/0xda0
[  505.803199][ T8674]  ? security_file_ioctl+0x81/0xa0
[  505.808777][ T8674]  ? tty_get_icount+0xb0/0xb0
[  505.814068][ T8674]  __se_sys_ioctl+0xf8/0x170
[  505.818666][ T8674]  do_syscall_64+0x41/0xc0
[  505.823122][ T8674]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  505.829239][ T8674] RIP: 0033:0x7f68b62c56e9
[  505.834097][ T8674] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  505.854688][ T8674] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  505.863231][ T8674] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  505.871272][ T8674] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  505.879387][ T8674] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  505.887463][ T8674] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  505.897039][ T8674] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  505.905283][ T8674]  </TASK>
[  505.909224][ T8674] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.080156][ T8677] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  506.100080][ T8677] CPU: 0 PID: 8677 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  506.110212][ T8677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  506.120365][ T8677] Call Trace:
[  506.123639][ T8677]  <TASK>
[  506.126562][ T8677]  dump_stack_lvl+0x1e7/0x2d0
[  506.131435][ T8677]  ? nf_tcp_handle_invalid+0x650/0x650
[  506.137034][ T8677]  ? panic+0x770/0x770
[  506.141147][ T8677]  sysfs_create_dir_ns+0x2ca/0x390
[  506.146295][ T8677]  ? sysfs_warn_dup+0xa0/0xa0
[  506.151013][ T8677]  kobject_add_internal+0x61d/0xc30
[  506.156338][ T8677]  kobject_add+0x152/0x210
[  506.160792][ T8677]  ? kobject_put+0x3e4/0x430
[  506.165685][ T8677]  ? kobject_init+0x1f0/0x1f0
[  506.170673][ T8677]  ? get_device_parent+0x25d/0x410
[  506.175910][ T8677]  ? device_add+0x30f/0xc90
[  506.180566][ T8677]  device_add+0x449/0xc90
[  506.184936][ T8677]  tty_register_device_attr+0x437/0x960
[  506.190808][ T8677]  ? tty_register_device+0x30/0x30
[  506.196236][ T8677]  ? gsm_dlci_alloc+0x354/0x6e0
[  506.201142][ T8677]  gsm_activate_mux+0xe9/0x290
[  506.206036][ T8677]  gsmld_ioctl+0x1858/0x25b0
[  506.210665][ T8677]  ? tomoyo_path_number_perm+0x663/0x840
[  506.216358][ T8677]  ? gsmld_write+0x120/0x120
[  506.220978][ T8677]  ? __vt_event_wait+0x240/0x240
[  506.226052][ T8677]  ? ldsem_down_read+0xb4/0xe0
[  506.230957][ T8677]  ? gsmld_write+0x120/0x120
[  506.235930][ T8677]  tty_ioctl+0x98c/0xda0
[  506.240226][ T8677]  ? security_file_ioctl+0x81/0xa0
[  506.245383][ T8677]  ? tty_get_icount+0xb0/0xb0
[  506.250102][ T8677]  __se_sys_ioctl+0xf8/0x170
[  506.254781][ T8677]  do_syscall_64+0x41/0xc0
[  506.259755][ T8677]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  506.265772][ T8677] RIP: 0033:0x7f68b62c56e9
[  506.270307][ T8677] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  506.290845][ T8677] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  506.299438][ T8677] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  506.307581][ T8677] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  506.315627][ T8677] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  506.323771][ T8677] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  506.331731][ T8677] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  506.340306][ T8677]  </TASK>
[  506.345251][ T8677] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.517930][ T8681] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  506.533960][ T8681] CPU: 0 PID: 8681 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  506.544173][ T8681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  506.554265][ T8681] Call Trace:
[  506.557939][ T8681]  <TASK>
[  506.560930][ T8681]  dump_stack_lvl+0x1e7/0x2d0
[  506.565736][ T8681]  ? nf_tcp_handle_invalid+0x650/0x650
[  506.572034][ T8681]  ? panic+0x770/0x770
[  506.576340][ T8681]  sysfs_create_dir_ns+0x2ca/0x390
[  506.581619][ T8681]  ? sysfs_warn_dup+0xa0/0xa0
[  506.586431][ T8681]  kobject_add_internal+0x61d/0xc30
[  506.591962][ T8681]  kobject_add+0x152/0x210
[  506.596424][ T8681]  ? kobject_put+0x3e4/0x430
[  506.601319][ T8681]  ? kobject_init+0x1f0/0x1f0
[  506.606765][ T8681]  ? get_device_parent+0x25d/0x410
[  506.612105][ T8681]  ? device_add+0x30f/0xc90
[  506.616661][ T8681]  device_add+0x449/0xc90
[  506.621124][ T8681]  tty_register_device_attr+0x437/0x960
[  506.626720][ T8681]  ? tty_register_device+0x30/0x30
[  506.632501][ T8681]  ? gsm_dlci_alloc+0x354/0x6e0
[  506.637662][ T8681]  gsm_activate_mux+0xe9/0x290
[  506.642993][ T8681]  gsmld_ioctl+0x1858/0x25b0
[  506.647708][ T8681]  ? tomoyo_path_number_perm+0x663/0x840
[  506.653789][ T8681]  ? gsmld_write+0x120/0x120
[  506.658627][ T8681]  ? __vt_event_wait+0x240/0x240
[  506.663945][ T8681]  ? ldsem_down_read+0xb4/0xe0
[  506.668778][ T8681]  ? gsmld_write+0x120/0x120
[  506.673499][ T8681]  tty_ioctl+0x98c/0xda0
[  506.677778][ T8681]  ? security_file_ioctl+0x81/0xa0
[  506.683102][ T8681]  ? tty_get_icount+0xb0/0xb0
[  506.687903][ T8681]  __se_sys_ioctl+0xf8/0x170
[  506.692755][ T8681]  do_syscall_64+0x41/0xc0
[  506.697173][ T8681]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  506.703237][ T8681] RIP: 0033:0x7f68b62c56e9
[  506.707688][ T8681] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  506.728134][ T8681] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  506.736976][ T8681] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  506.744936][ T8681] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  506.753077][ T8681] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  506.762132][ T8681] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  506.770485][ T8681] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  506.778480][ T8681]  </TASK>
[  506.782064][ T8681] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.956368][ T8684] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  506.977723][ T8684] CPU: 0 PID: 8684 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  506.988802][ T8684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  506.999091][ T8684] Call Trace:
[  507.002408][ T8684]  <TASK>
[  507.005466][ T8684]  dump_stack_lvl+0x1e7/0x2d0
[  507.010438][ T8684]  ? nf_tcp_handle_invalid+0x650/0x650
[  507.016019][ T8684]  ? panic+0x770/0x770
[  507.020135][ T8684]  sysfs_create_dir_ns+0x2ca/0x390
[  507.025368][ T8684]  ? sysfs_warn_dup+0xa0/0xa0
[  507.030095][ T8684]  kobject_add_internal+0x61d/0xc30
[  507.035438][ T8684]  kobject_add+0x152/0x210
[  507.040346][ T8684]  ? kobject_put+0x3e4/0x430
[  507.045484][ T8684]  ? kobject_init+0x1f0/0x1f0
[  507.050352][ T8684]  ? get_device_parent+0x25d/0x410
[  507.055773][ T8684]  ? device_add+0x30f/0xc90
[  507.060390][ T8684]  device_add+0x449/0xc90
[  507.065093][ T8684]  tty_register_device_attr+0x437/0x960
[  507.071101][ T8684]  ? tty_register_device+0x30/0x30
[  507.076330][ T8684]  ? gsm_dlci_alloc+0x354/0x6e0
[  507.081832][ T8684]  gsm_activate_mux+0xe9/0x290
[  507.086596][ T8684]  gsmld_ioctl+0x1858/0x25b0
[  507.091356][ T8684]  ? tomoyo_path_number_perm+0x663/0x840
[  507.097092][ T8684]  ? gsmld_write+0x120/0x120
[  507.101689][ T8684]  ? __vt_event_wait+0x240/0x240
[  507.106688][ T8684]  ? ldsem_down_read+0xb4/0xe0
[  507.111538][ T8684]  ? gsmld_write+0x120/0x120
[  507.116214][ T8684]  tty_ioctl+0x98c/0xda0
[  507.120464][ T8684]  ? security_file_ioctl+0x81/0xa0
[  507.125758][ T8684]  ? tty_get_icount+0xb0/0xb0
[  507.130430][ T8684]  __se_sys_ioctl+0xf8/0x170
[  507.135021][ T8684]  do_syscall_64+0x41/0xc0
[  507.139440][ T8684]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  507.145419][ T8684] RIP: 0033:0x7f68b62c56e9
[  507.149831][ T8684] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  507.169779][ T8684] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  507.178854][ T8684] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  507.187968][ T8684] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  507.196107][ T8684] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  507.204082][ T8684] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  507.212306][ T8684] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  507.220731][ T8684]  </TASK>
[  507.229038][ T8684] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.236357][ T8685] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.270273][ T8685] CPU: 0 PID: 8685 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  507.280511][ T8685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  507.290683][ T8685] Call Trace:
[  507.293981][ T8685]  <TASK>
[  507.296930][ T8685]  dump_stack_lvl+0x1e7/0x2d0
[  507.301638][ T8685]  ? nf_tcp_handle_invalid+0x650/0x650
[  507.307213][ T8685]  ? panic+0x770/0x770
[  507.311492][ T8685]  sysfs_create_dir_ns+0x2ca/0x390
[  507.316649][ T8685]  ? sysfs_warn_dup+0xa0/0xa0
[  507.322408][ T8685]  kobject_add_internal+0x61d/0xc30
[  507.327671][ T8685]  kobject_add+0x152/0x210
[  507.332288][ T8685]  ? kobject_put+0x3e4/0x430
[  507.337096][ T8685]  ? kobject_init+0x1f0/0x1f0
[  507.342004][ T8685]  ? get_device_parent+0x25d/0x410
[  507.347253][ T8685]  ? device_add+0x30f/0xc90
[  507.351792][ T8685]  device_add+0x449/0xc90
[  507.356332][ T8685]  tty_register_device_attr+0x437/0x960
[  507.361942][ T8685]  ? tty_register_device+0x30/0x30
[  507.367079][ T8685]  ? gsm_dlci_alloc+0x354/0x6e0
[  507.372396][ T8685]  gsm_activate_mux+0xe9/0x290
[  507.377192][ T8685]  gsmld_ioctl+0x1858/0x25b0
[  507.381894][ T8685]  ? tomoyo_path_number_perm+0x663/0x840
[  507.387559][ T8685]  ? gsmld_write+0x120/0x120
[  507.392161][ T8685]  ? __vt_event_wait+0x240/0x240
[  507.397152][ T8685]  ? ldsem_down_read+0xb4/0xe0
[  507.402099][ T8685]  ? gsmld_write+0x120/0x120
[  507.406913][ T8685]  tty_ioctl+0x98c/0xda0
[  507.411156][ T8685]  ? security_file_ioctl+0x81/0xa0
[  507.416444][ T8685]  ? tty_get_icount+0xb0/0xb0
[  507.421293][ T8685]  __se_sys_ioctl+0xf8/0x170
[  507.425884][ T8685]  do_syscall_64+0x41/0xc0
[  507.430330][ T8685]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  507.436493][ T8685] RIP: 0033:0x7f68b62c56e9
[  507.440915][ T8685] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  507.460981][ T8685] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  507.469489][ T8685] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  507.478771][ T8685] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  507.486825][ T8685] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  507.494962][ T8685] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  507.503022][ T8685] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  507.511005][ T8685]  </TASK>
[  507.518558][ T8685] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.727260][ T8688] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.735909][ T8688] CPU: 1 PID: 8688 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  507.746266][ T8688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  507.756503][ T8688] Call Trace:
[  507.760248][ T8688]  <TASK>
[  507.764089][ T8688]  dump_stack_lvl+0x1e7/0x2d0
[  507.769598][ T8688]  ? nf_tcp_handle_invalid+0x650/0x650
[  507.775166][ T8688]  ? panic+0x770/0x770
[  507.779427][ T8688]  sysfs_create_dir_ns+0x2ca/0x390
[  507.784544][ T8688]  ? sysfs_warn_dup+0xa0/0xa0
[  507.789580][ T8688]  kobject_add_internal+0x61d/0xc30
[  507.794783][ T8688]  kobject_add+0x152/0x210
[  507.799470][ T8688]  ? kobject_put+0x3e4/0x430
[  507.804142][ T8688]  ? kobject_init+0x1f0/0x1f0
[  507.809003][ T8688]  ? get_device_parent+0x25d/0x410
[  507.814464][ T8688]  ? device_add+0x30f/0xc90
[  507.819007][ T8688]  device_add+0x449/0xc90
[  507.823597][ T8688]  tty_register_device_attr+0x437/0x960
[  507.829244][ T8688]  ? tty_register_device+0x30/0x30
[  507.834392][ T8688]  ? gsm_dlci_alloc+0x354/0x6e0
[  507.839263][ T8688]  gsm_activate_mux+0xe9/0x290
[  507.844218][ T8688]  gsmld_ioctl+0x1858/0x25b0
[  507.849112][ T8688]  ? tomoyo_path_number_perm+0x663/0x840
[  507.854928][ T8688]  ? gsmld_write+0x120/0x120
[  507.859515][ T8688]  ? __vt_event_wait+0x240/0x240
[  507.864460][ T8688]  ? ldsem_down_read+0xb4/0xe0
[  507.869310][ T8688]  ? gsmld_write+0x120/0x120
[  507.873899][ T8688]  tty_ioctl+0x98c/0xda0
[  507.878138][ T8688]  ? security_file_ioctl+0x81/0xa0
[  507.883245][ T8688]  ? tty_get_icount+0xb0/0xb0
[  507.888017][ T8688]  __se_sys_ioctl+0xf8/0x170
[  507.892605][ T8688]  do_syscall_64+0x41/0xc0
[  507.897213][ T8688]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  507.903197][ T8688] RIP: 0033:0x7f68b62c56e9
[  507.907697][ T8688] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  507.928514][ T8688] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  507.937114][ T8688] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  507.945254][ T8688] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  507.954029][ T8688] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  507.962349][ T8688] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  507.970315][ T8688] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  507.978289][ T8688]  </TASK>
[  507.998775][ T8689] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  508.011439][ T8689] CPU: 0 PID: 8689 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  508.017382][ T8688] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.021975][ T8689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  508.046677][ T8689] Call Trace:
[  508.050164][ T8689]  <TASK>
[  508.053377][ T8689]  dump_stack_lvl+0x1e7/0x2d0
[  508.058178][ T8689]  ? nf_tcp_handle_invalid+0x650/0x650
[  508.064889][ T8689]  ? panic+0x770/0x770
[  508.069084][ T8689]  sysfs_create_dir_ns+0x2ca/0x390
[  508.074259][ T8689]  ? sysfs_warn_dup+0xa0/0xa0
[  508.079157][ T8689]  kobject_add_internal+0x61d/0xc30
[  508.084749][ T8689]  kobject_add+0x152/0x210
[  508.089834][ T8689]  ? kobject_put+0x3e4/0x430
[  508.094557][ T8689]  ? kobject_init+0x1f0/0x1f0
[  508.099366][ T8689]  ? get_device_parent+0x25d/0x410
[  508.104607][ T8689]  ? device_add+0x30f/0xc90
[  508.109425][ T8689]  device_add+0x449/0xc90
[  508.115061][ T8689]  tty_register_device_attr+0x437/0x960
[  508.120768][ T8689]  ? tty_register_device+0x30/0x30
[  508.126369][ T8689]  ? gsm_dlci_alloc+0x354/0x6e0
[  508.131417][ T8689]  gsm_activate_mux+0xe9/0x290
[  508.136745][ T8689]  gsmld_ioctl+0x1858/0x25b0
[  508.141510][ T8689]  ? tomoyo_path_number_perm+0x663/0x840
[  508.147764][ T8689]  ? gsmld_write+0x120/0x120
[  508.152384][ T8689]  ? __vt_event_wait+0x240/0x240
[  508.157545][ T8689]  ? ldsem_down_read+0xb4/0xe0
[  508.162572][ T8689]  ? gsmld_write+0x120/0x120
[  508.167246][ T8689]  tty_ioctl+0x98c/0xda0
[  508.171790][ T8689]  ? security_file_ioctl+0x81/0xa0
[  508.177163][ T8689]  ? tty_get_icount+0xb0/0xb0
[  508.182986][ T8689]  __se_sys_ioctl+0xf8/0x170
[  508.188973][ T8689]  do_syscall_64+0x41/0xc0
[  508.194174][ T8689]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  508.200159][ T8689] RIP: 0033:0x7f68b62c56e9
[  508.204791][ T8689] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  508.226047][ T8689] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  508.234732][ T8689] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  508.242963][ T8689] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  508.251106][ T8689] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  508.259161][ T8689] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  508.267215][ T8689] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  508.275278][ T8689]  </TASK>
[  508.283359][ T8689] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.458065][ T8692] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  508.475656][ T8692] CPU: 0 PID: 8692 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  508.485786][ T8692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  508.495976][ T8692] Call Trace:
[  508.499564][ T8692]  <TASK>
[  508.502534][ T8692]  dump_stack_lvl+0x1e7/0x2d0
[  508.507693][ T8692]  ? nf_tcp_handle_invalid+0x650/0x650
[  508.513545][ T8692]  ? panic+0x770/0x770
[  508.518006][ T8692]  sysfs_create_dir_ns+0x2ca/0x390
[  508.523509][ T8692]  ? sysfs_warn_dup+0xa0/0xa0
[  508.528425][ T8692]  kobject_add_internal+0x61d/0xc30
[  508.533819][ T8692]  kobject_add+0x152/0x210
[  508.538701][ T8692]  ? kobject_put+0x3e4/0x430
[  508.543408][ T8692]  ? kobject_init+0x1f0/0x1f0
[  508.548186][ T8692]  ? get_device_parent+0x25d/0x410
[  508.553313][ T8692]  ? device_add+0x30f/0xc90
[  508.558108][ T8692]  device_add+0x449/0xc90
[  508.562746][ T8692]  tty_register_device_attr+0x437/0x960
[  508.568446][ T8692]  ? tty_register_device+0x30/0x30
[  508.573846][ T8692]  ? gsm_dlci_alloc+0x354/0x6e0
[  508.578718][ T8692]  gsm_activate_mux+0xe9/0x290
[  508.583886][ T8692]  gsmld_ioctl+0x1858/0x25b0
[  508.588660][ T8692]  ? tomoyo_path_number_perm+0x663/0x840
[  508.594570][ T8692]  ? gsmld_write+0x120/0x120
[  508.599602][ T8692]  ? __vt_event_wait+0x240/0x240
[  508.604808][ T8692]  ? ldsem_down_read+0xb4/0xe0
[  508.609667][ T8692]  ? gsmld_write+0x120/0x120
[  508.614758][ T8692]  tty_ioctl+0x98c/0xda0
[  508.619464][ T8692]  ? security_file_ioctl+0x81/0xa0
[  508.624987][ T8692]  ? tty_get_icount+0xb0/0xb0
[  508.630039][ T8692]  __se_sys_ioctl+0xf8/0x170
[  508.635043][ T8692]  do_syscall_64+0x41/0xc0
[  508.639836][ T8692]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  508.646139][ T8692] RIP: 0033:0x7f68b62c56e9
[  508.653441][ T8692] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  508.674286][ T8692] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  508.682796][ T8692] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  508.691141][ T8692] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  508.699905][ T8692] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  508.708132][ T8692] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  508.716194][ T8692] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  508.724385][ T8692]  </TASK>
[  508.739636][ T8693] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  508.741212][ T8692] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.750910][ T8693] CPU: 1 PID: 8693 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  508.773011][ T8693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  508.783596][ T8693] Call Trace:
[  508.786880][ T8693]  <TASK>
[  508.789827][ T8693]  dump_stack_lvl+0x1e7/0x2d0
[  508.794693][ T8693]  ? nf_tcp_handle_invalid+0x650/0x650
[  508.800414][ T8693]  ? panic+0x770/0x770
[  508.804485][ T8693]  sysfs_create_dir_ns+0x2ca/0x390
[  508.809636][ T8693]  ? sysfs_warn_dup+0xa0/0xa0
[  508.814745][ T8693]  kobject_add_internal+0x61d/0xc30
[  508.819963][ T8693]  kobject_add+0x152/0x210
[  508.824640][ T8693]  ? kobject_put+0x3e4/0x430
[  508.829315][ T8693]  ? kobject_init+0x1f0/0x1f0
[  508.834012][ T8693]  ? get_device_parent+0x25d/0x410
[  508.839253][ T8693]  ? device_add+0x30f/0xc90
[  508.843933][ T8693]  device_add+0x449/0xc90
[  508.848264][ T8693]  tty_register_device_attr+0x437/0x960
[  508.853996][ T8693]  ? tty_register_device+0x30/0x30
[  508.859122][ T8693]  ? gsm_dlci_alloc+0x354/0x6e0
[  508.863974][ T8693]  gsm_activate_mux+0xe9/0x290
[  508.868827][ T8693]  gsmld_ioctl+0x1858/0x25b0
[  508.873742][ T8693]  ? tomoyo_path_number_perm+0x663/0x840
[  508.879733][ T8693]  ? gsmld_write+0x120/0x120
[  508.884338][ T8693]  ? __vt_event_wait+0x240/0x240
[  508.889369][ T8693]  ? ldsem_down_read+0xb4/0xe0
[  508.894569][ T8693]  ? gsmld_write+0x120/0x120
[  508.899639][ T8693]  tty_ioctl+0x98c/0xda0
[  508.904056][ T8693]  ? security_file_ioctl+0x81/0xa0
[  508.909599][ T8693]  ? tty_get_icount+0xb0/0xb0
[  508.914795][ T8693]  __se_sys_ioctl+0xf8/0x170
[  508.919661][ T8693]  do_syscall_64+0x41/0xc0
[  508.924076][ T8693]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  508.930509][ T8693] RIP: 0033:0x7f68b62c56e9
[  508.935358][ T8693] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  508.956250][ T8693] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  508.965532][ T8693] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  508.973677][ T8693] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  508.981733][ T8693] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  508.989872][ T8693] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  508.997840][ T8693] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  509.005815][ T8693]  </TASK>
[  509.013731][ T8693] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.217211][ T8696] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.225936][ T8696] CPU: 1 PID: 8696 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  509.236037][ T8696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  509.246104][ T8696] Call Trace:
[  509.249482][ T8696]  <TASK>
[  509.252413][ T8696]  dump_stack_lvl+0x1e7/0x2d0
[  509.257185][ T8696]  ? nf_tcp_handle_invalid+0x650/0x650
[  509.262986][ T8696]  ? panic+0x770/0x770
[  509.267232][ T8696]  sysfs_create_dir_ns+0x2ca/0x390
[  509.272461][ T8696]  ? sysfs_warn_dup+0xa0/0xa0
[  509.278091][ T8696]  kobject_add_internal+0x61d/0xc30
[  509.283655][ T8696]  kobject_add+0x152/0x210
[  509.288072][ T8696]  ? kobject_put+0x3e4/0x430
[  509.292667][ T8696]  ? kobject_init+0x1f0/0x1f0
[  509.297342][ T8696]  ? get_device_parent+0x25d/0x410
[  509.302602][ T8696]  ? device_add+0x30f/0xc90
[  509.307104][ T8696]  device_add+0x449/0xc90
[  509.311794][ T8696]  tty_register_device_attr+0x437/0x960
[  509.317550][ T8696]  ? tty_register_device+0x30/0x30
[  509.322688][ T8696]  ? gsm_dlci_alloc+0x354/0x6e0
[  509.327817][ T8696]  gsm_activate_mux+0xe9/0x290
[  509.332679][ T8696]  gsmld_ioctl+0x1858/0x25b0
[  509.337373][ T8696]  ? tomoyo_path_number_perm+0x663/0x840
[  509.343020][ T8696]  ? gsmld_write+0x120/0x120
[  509.347615][ T8696]  ? __vt_event_wait+0x240/0x240
[  509.352561][ T8696]  ? ldsem_down_read+0xb4/0xe0
[  509.357329][ T8696]  ? gsmld_write+0x120/0x120
[  509.361951][ T8696]  tty_ioctl+0x98c/0xda0
[  509.366201][ T8696]  ? security_file_ioctl+0x81/0xa0
[  509.371329][ T8696]  ? tty_get_icount+0xb0/0xb0
[  509.376270][ T8696]  __se_sys_ioctl+0xf8/0x170
[  509.380973][ T8696]  do_syscall_64+0x41/0xc0
[  509.385395][ T8696]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  509.391375][ T8696] RIP: 0033:0x7f68b62c56e9
[  509.396667][ T8696] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  509.416443][ T8696] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  509.425464][ T8696] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  509.433610][ T8696] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  509.441682][ T8696] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  509.449651][ T8696] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  509.457616][ T8696] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  509.465762][ T8696]  </TASK>
[  509.469660][ T8696] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.489927][ T8696] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.499059][ T8696] CPU: 0 PID: 8696 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  509.510471][ T8696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  509.520671][ T8696] Call Trace:
[  509.524002][ T8696]  <TASK>
[  509.526934][ T8696]  dump_stack_lvl+0x1e7/0x2d0
[  509.531888][ T8696]  ? nf_tcp_handle_invalid+0x650/0x650
[  509.537367][ T8696]  ? panic+0x770/0x770
[  509.541625][ T8696]  sysfs_create_dir_ns+0x2ca/0x390
[  509.546741][ T8696]  ? sysfs_warn_dup+0xa0/0xa0
[  509.551417][ T8696]  kobject_add_internal+0x61d/0xc30
[  509.556620][ T8696]  kobject_add+0x152/0x210
[  509.561035][ T8696]  ? kobject_put+0x3e4/0x430
[  509.565800][ T8696]  ? kobject_init+0x1f0/0x1f0
[  509.570476][ T8696]  ? get_device_parent+0x25d/0x410
[  509.575584][ T8696]  ? device_add+0x30f/0xc90
[  509.580084][ T8696]  device_add+0x449/0xc90
[  509.584508][ T8696]  tty_register_device_attr+0x437/0x960
[  509.590059][ T8696]  ? tty_register_device+0x30/0x30
[  509.595169][ T8696]  ? gsm_dlci_alloc+0x354/0x6e0
[  509.600103][ T8696]  gsm_activate_mux+0xe9/0x290
[  509.604951][ T8696]  gsmld_ioctl+0x1858/0x25b0
[  509.609622][ T8696]  ? tomoyo_path_number_perm+0x663/0x840
[  509.615361][ T8696]  ? gsmld_write+0x120/0x120
[  509.620143][ T8696]  ? __vt_event_wait+0x240/0x240
[  509.625385][ T8696]  ? ldsem_down_read+0xb4/0xe0
[  509.630181][ T8696]  ? gsmld_write+0x120/0x120
[  509.635240][ T8696]  tty_ioctl+0x98c/0xda0
[  509.640109][ T8696]  ? security_file_ioctl+0x81/0xa0
[  509.645225][ T8696]  ? tty_get_icount+0xb0/0xb0
[  509.649987][ T8696]  __se_sys_ioctl+0xf8/0x170
[  509.654580][ T8696]  do_syscall_64+0x41/0xc0
[  509.658996][ T8696]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  509.664984][ T8696] RIP: 0033:0x7f68b62c56e9
[  509.669433][ T8696] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  509.689821][ T8696] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  509.698405][ T8696] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  509.706476][ T8696] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  509.714440][ T8696] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  509.722839][ T8696] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  509.731067][ T8696] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  509.739082][ T8696]  </TASK>
[  509.751209][ T8696] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.977712][ T8699] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.988271][ T8699] CPU: 0 PID: 8699 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  509.998381][ T8699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  510.009160][ T8699] Call Trace:
[  510.012461][ T8699]  <TASK>
[  510.015409][ T8699]  dump_stack_lvl+0x1e7/0x2d0
[  510.020116][ T8699]  ? nf_tcp_handle_invalid+0x650/0x650
[  510.025713][ T8699]  ? panic+0x770/0x770
[  510.029845][ T8699]  sysfs_create_dir_ns+0x2ca/0x390
[  510.035011][ T8699]  ? sysfs_warn_dup+0xa0/0xa0
[  510.039899][ T8699]  kobject_add_internal+0x61d/0xc30
[  510.045156][ T8699]  kobject_add+0x152/0x210
[  510.049696][ T8699]  ? kobject_put+0x3e4/0x430
[  510.054316][ T8699]  ? kobject_init+0x1f0/0x1f0
[  510.059037][ T8699]  ? get_device_parent+0x25d/0x410
[  510.064198][ T8699]  ? device_add+0x30f/0xc90
[  510.068813][ T8699]  device_add+0x449/0xc90
[  510.073269][ T8699]  tty_register_device_attr+0x437/0x960
[  510.078865][ T8699]  ? tty_register_device+0x30/0x30
[  510.084196][ T8699]  ? gsm_dlci_alloc+0x354/0x6e0
[  510.089352][ T8699]  gsm_activate_mux+0xe9/0x290
[  510.094331][ T8699]  gsmld_ioctl+0x1858/0x25b0
[  510.099540][ T8699]  ? tomoyo_path_number_perm+0x663/0x840
[  510.105400][ T8699]  ? gsmld_write+0x120/0x120
[  510.110126][ T8699]  ? __vt_event_wait+0x240/0x240
[  510.115118][ T8699]  ? ldsem_down_read+0xb4/0xe0
[  510.120027][ T8699]  ? gsmld_write+0x120/0x120
[  510.124673][ T8699]  tty_ioctl+0x98c/0xda0
[  510.128959][ T8699]  ? security_file_ioctl+0x81/0xa0
[  510.134190][ T8699]  ? tty_get_icount+0xb0/0xb0
[  510.138906][ T8699]  __se_sys_ioctl+0xf8/0x170
[  510.143556][ T8699]  do_syscall_64+0x41/0xc0
[  510.148133][ T8699]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  510.154098][ T8699] RIP: 0033:0x7f68b62c56e9
[  510.158547][ T8699] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  510.178471][ T8699] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  510.187062][ T8699] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  510.195304][ T8699] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  510.203270][ T8699] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  510.211249][ T8699] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  510.219309][ T8699] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  510.227638][ T8699]  </TASK>
[  510.231707][ T8699] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.403934][ T8702] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  510.417168][ T8702] CPU: 1 PID: 8702 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  510.427412][ T8702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  510.437497][ T8702] Call Trace:
[  510.440800][ T8702]  <TASK>
[  510.444028][ T8702]  dump_stack_lvl+0x1e7/0x2d0
[  510.448745][ T8702]  ? nf_tcp_handle_invalid+0x650/0x650
[  510.454512][ T8702]  ? panic+0x770/0x770
[  510.458723][ T8702]  sysfs_create_dir_ns+0x2ca/0x390
[  510.464938][ T8702]  ? sysfs_warn_dup+0xa0/0xa0
[  510.469745][ T8702]  kobject_add_internal+0x61d/0xc30
[  510.475816][ T8702]  kobject_add+0x152/0x210
[  510.480377][ T8702]  ? kobject_put+0x3e4/0x430
[  510.485265][ T8702]  ? kobject_init+0x1f0/0x1f0
[  510.490334][ T8702]  ? get_device_parent+0x25d/0x410
[  510.495583][ T8702]  ? device_add+0x30f/0xc90
[  510.500302][ T8702]  device_add+0x449/0xc90
[  510.504847][ T8702]  tty_register_device_attr+0x437/0x960
[  510.510528][ T8702]  ? tty_register_device+0x30/0x30
[  510.516036][ T8702]  ? gsm_dlci_alloc+0x354/0x6e0
[  510.521031][ T8702]  gsm_activate_mux+0xe9/0x290
[  510.525934][ T8702]  gsmld_ioctl+0x1858/0x25b0
[  510.530644][ T8702]  ? tomoyo_path_number_perm+0x663/0x840
[  510.536542][ T8702]  ? gsmld_write+0x120/0x120
[  510.541525][ T8702]  ? __vt_event_wait+0x240/0x240
[  510.546601][ T8702]  ? ldsem_down_read+0xb4/0xe0
[  510.551491][ T8702]  ? gsmld_write+0x120/0x120
[  510.556204][ T8702]  tty_ioctl+0x98c/0xda0
[  510.560485][ T8702]  ? security_file_ioctl+0x81/0xa0
[  510.565710][ T8702]  ? tty_get_icount+0xb0/0xb0
[  510.570861][ T8702]  __se_sys_ioctl+0xf8/0x170
[  510.575569][ T8702]  do_syscall_64+0x41/0xc0
[  510.580021][ T8702]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  510.586130][ T8702] RIP: 0033:0x7f68b62c56e9
[  510.590638][ T8702] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  510.610687][ T8702] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  510.620181][ T8702] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  510.628447][ T8702] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  510.636877][ T8702] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  510.645139][ T8702] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  510.653286][ T8702] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  510.661698][ T8702]  </TASK>
[  510.666974][ T8702] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.835668][ T8706] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  510.847350][ T8706] CPU: 0 PID: 8706 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  510.857551][ T8706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  510.867749][ T8706] Call Trace:
[  510.871051][ T8706]  <TASK>
[  510.873998][ T8706]  dump_stack_lvl+0x1e7/0x2d0
[  510.878733][ T8706]  ? nf_tcp_handle_invalid+0x650/0x650
[  510.884396][ T8706]  ? panic+0x770/0x770
[  510.888574][ T8706]  sysfs_create_dir_ns+0x2ca/0x390
[  510.893924][ T8706]  ? sysfs_warn_dup+0xa0/0xa0
[  510.898741][ T8706]  kobject_add_internal+0x61d/0xc30
[  510.904174][ T8706]  kobject_add+0x152/0x210
[  510.908806][ T8706]  ? kobject_put+0x3e4/0x430
[  510.913544][ T8706]  ? kobject_init+0x1f0/0x1f0
[  510.918221][ T8706]  ? get_device_parent+0x25d/0x410
[  510.923435][ T8706]  ? device_add+0x30f/0xc90
[  510.927938][ T8706]  device_add+0x449/0xc90
[  510.932281][ T8706]  tty_register_device_attr+0x437/0x960
[  510.937867][ T8706]  ? tty_register_device+0x30/0x30
[  510.943198][ T8706]  ? gsm_dlci_alloc+0x354/0x6e0
[  510.948068][ T8706]  gsm_activate_mux+0xe9/0x290
[  510.953105][ T8706]  gsmld_ioctl+0x1858/0x25b0
[  510.957705][ T8706]  ? tomoyo_path_number_perm+0x663/0x840
[  510.963364][ T8706]  ? gsmld_write+0x120/0x120
[  510.968071][ T8706]  ? __vt_event_wait+0x240/0x240
[  510.973244][ T8706]  ? ldsem_down_read+0xb4/0xe0
[  510.978174][ T8706]  ? gsmld_write+0x120/0x120
[  510.982806][ T8706]  tty_ioctl+0x98c/0xda0
[  510.987141][ T8706]  ? security_file_ioctl+0x81/0xa0
[  510.992527][ T8706]  ? tty_get_icount+0xb0/0xb0
[  510.997204][ T8706]  __se_sys_ioctl+0xf8/0x170
[  511.001879][ T8706]  do_syscall_64+0x41/0xc0
[  511.006299][ T8706]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  511.012366][ T8706] RIP: 0033:0x7f68b62c56e9
[  511.016866][ T8706] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  511.037338][ T8706] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  511.045923][ T8706] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  511.053975][ T8706] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  511.061940][ T8706] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  511.070097][ T8706] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  511.078407][ T8706] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  511.086380][ T8706]  </TASK>
[  511.090365][ T8706] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.103844][ T8707] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  511.131131][ T8707] CPU: 0 PID: 8707 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  511.141343][ T8707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  511.151600][ T8707] Call Trace:
[  511.155033][ T8707]  <TASK>
[  511.158001][ T8707]  dump_stack_lvl+0x1e7/0x2d0
[  511.162716][ T8707]  ? nf_tcp_handle_invalid+0x650/0x650
[  511.168305][ T8707]  ? panic+0x770/0x770
[  511.172419][ T8707]  sysfs_create_dir_ns+0x2ca/0x390
[  511.177571][ T8707]  ? sysfs_warn_dup+0xa0/0xa0
[  511.182297][ T8707]  kobject_add_internal+0x61d/0xc30
[  511.187629][ T8707]  kobject_add+0x152/0x210
[  511.192294][ T8707]  ? kobject_put+0x3e4/0x430
[  511.197008][ T8707]  ? kobject_init+0x1f0/0x1f0
[  511.201900][ T8707]  ? get_device_parent+0x25d/0x410
[  511.207168][ T8707]  ? device_add+0x30f/0xc90
[  511.211753][ T8707]  device_add+0x449/0xc90
[  511.216181][ T8707]  tty_register_device_attr+0x437/0x960
[  511.222177][ T8707]  ? tty_register_device+0x30/0x30
[  511.227460][ T8707]  ? gsm_dlci_alloc+0x354/0x6e0
[  511.232306][ T8707]  gsm_activate_mux+0xe9/0x290
[  511.237169][ T8707]  gsmld_ioctl+0x1858/0x25b0
[  511.241766][ T8707]  ? tomoyo_path_number_perm+0x663/0x840
[  511.247646][ T8707]  ? gsmld_write+0x120/0x120
[  511.252250][ T8707]  ? __vt_event_wait+0x240/0x240
[  511.257189][ T8707]  ? ldsem_down_read+0xb4/0xe0
[  511.262218][ T8707]  ? gsmld_write+0x120/0x120
[  511.266822][ T8707]  tty_ioctl+0x98c/0xda0
[  511.271063][ T8707]  ? security_file_ioctl+0x81/0xa0
[  511.276606][ T8707]  ? tty_get_icount+0xb0/0xb0
[  511.281334][ T8707]  __se_sys_ioctl+0xf8/0x170
[  511.286014][ T8707]  do_syscall_64+0x41/0xc0
[  511.290426][ T8707]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  511.296426][ T8707] RIP: 0033:0x7f68b62c56e9
[  511.300945][ T8707] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  511.320925][ T8707] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  511.329874][ T8707] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  511.338215][ T8707] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  511.346281][ T8707] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  511.354993][ T8707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  511.363283][ T8707] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  511.371745][ T8707]  </TASK>
[  511.376370][ T8707] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.552298][ T8710] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  511.566390][ T8710] CPU: 1 PID: 8710 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  511.576630][ T8710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  511.587070][ T8710] Call Trace:
[  511.590482][ T8710]  <TASK>
[  511.593437][ T8710]  dump_stack_lvl+0x1e7/0x2d0
[  511.598159][ T8710]  ? nf_tcp_handle_invalid+0x650/0x650
[  511.603654][ T8710]  ? panic+0x770/0x770
[  511.607767][ T8710]  sysfs_create_dir_ns+0x2ca/0x390
[  511.613118][ T8710]  ? sysfs_warn_dup+0xa0/0xa0
[  511.617845][ T8710]  kobject_add_internal+0x61d/0xc30
[  511.623279][ T8710]  kobject_add+0x152/0x210
[  511.627735][ T8710]  ? kobject_put+0x3e4/0x430
[  511.632367][ T8710]  ? kobject_init+0x1f0/0x1f0
[  511.637611][ T8710]  ? get_device_parent+0x25d/0x410
[  511.642859][ T8710]  ? device_add+0x30f/0xc90
[  511.647405][ T8710]  device_add+0x449/0xc90
[  511.651876][ T8710]  tty_register_device_attr+0x437/0x960
[  511.657645][ T8710]  ? tty_register_device+0x30/0x30
[  511.662888][ T8710]  ? gsm_dlci_alloc+0x354/0x6e0
[  511.668130][ T8710]  gsm_activate_mux+0xe9/0x290
[  511.673025][ T8710]  gsmld_ioctl+0x1858/0x25b0
[  511.677740][ T8710]  ? tomoyo_path_number_perm+0x663/0x840
[  511.683519][ T8710]  ? gsmld_write+0x120/0x120
[  511.689113][ T8710]  ? __vt_event_wait+0x240/0x240
[  511.694102][ T8710]  ? ldsem_down_read+0xb4/0xe0
[  511.698997][ T8710]  ? gsmld_write+0x120/0x120
[  511.703639][ T8710]  tty_ioctl+0x98c/0xda0
[  511.708073][ T8710]  ? security_file_ioctl+0x81/0xa0
[  511.713225][ T8710]  ? tty_get_icount+0xb0/0xb0
[  511.717952][ T8710]  __se_sys_ioctl+0xf8/0x170
[  511.722547][ T8710]  do_syscall_64+0x41/0xc0
[  511.726976][ T8710]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  511.732889][ T8710] RIP: 0033:0x7f68b62c56e9
[  511.737398][ T8710] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  511.757719][ T8710] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  511.769134][ T8710] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  511.777210][ T8710] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  511.785182][ T8710] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  511.793689][ T8710] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  511.801753][ T8710] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  511.809830][ T8710]  </TASK>
[  511.814372][ T8710] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.983042][ T8713] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  511.998688][ T8713] CPU: 0 PID: 8713 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  512.009167][ T8713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  512.019338][ T8713] Call Trace:
[  512.022649][ T8713]  <TASK>
[  512.025700][ T8713]  dump_stack_lvl+0x1e7/0x2d0
[  512.030412][ T8713]  ? nf_tcp_handle_invalid+0x650/0x650
[  512.035990][ T8713]  ? panic+0x770/0x770
[  512.040105][ T8713]  sysfs_create_dir_ns+0x2ca/0x390
[  512.045337][ T8713]  ? sysfs_warn_dup+0xa0/0xa0
[  512.050053][ T8713]  kobject_add_internal+0x61d/0xc30
[  512.055473][ T8713]  kobject_add+0x152/0x210
[  512.059925][ T8713]  ? kobject_put+0x3e4/0x430
[  512.064716][ T8713]  ? kobject_init+0x1f0/0x1f0
[  512.069527][ T8713]  ? get_device_parent+0x25d/0x410
[  512.074771][ T8713]  ? device_add+0x30f/0xc90
[  512.079309][ T8713]  device_add+0x449/0xc90
[  512.084021][ T8713]  tty_register_device_attr+0x437/0x960
[  512.089782][ T8713]  ? tty_register_device+0x30/0x30
[  512.095023][ T8713]  ? gsm_dlci_alloc+0x354/0x6e0
[  512.099916][ T8713]  gsm_activate_mux+0xe9/0x290
[  512.104897][ T8713]  gsmld_ioctl+0x1858/0x25b0
[  512.109537][ T8713]  ? tomoyo_path_number_perm+0x663/0x840
[  512.115495][ T8713]  ? gsmld_write+0x120/0x120
[  512.120227][ T8713]  ? __vt_event_wait+0x240/0x240
[  512.125221][ T8713]  ? ldsem_down_read+0xb4/0xe0
[  512.130121][ T8713]  ? gsmld_write+0x120/0x120
[  512.135185][ T8713]  tty_ioctl+0x98c/0xda0
[  512.139471][ T8713]  ? security_file_ioctl+0x81/0xa0
[  512.144707][ T8713]  ? tty_get_icount+0xb0/0xb0
[  512.149521][ T8713]  __se_sys_ioctl+0xf8/0x170
[  512.154266][ T8713]  do_syscall_64+0x41/0xc0
[  512.158973][ T8713]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  512.164961][ T8713] RIP: 0033:0x7f68b62c56e9
[  512.169503][ T8713] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  512.193356][ T8713] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  512.204984][ T8713] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  512.213680][ T8713] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  512.223845][ T8713] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  512.232540][ T8713] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  512.241324][ T8713] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  512.250624][ T8713]  </TASK>
[  512.256405][ T8713] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.440954][ T8716] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  512.451658][ T8716] CPU: 0 PID: 8716 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  512.462035][ T8716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  512.474156][ T8716] Call Trace:
[  512.478130][ T8716]  <TASK>
[  512.481188][ T8716]  dump_stack_lvl+0x1e7/0x2d0
[  512.486363][ T8716]  ? nf_tcp_handle_invalid+0x650/0x650
[  512.492452][ T8716]  ? panic+0x770/0x770
[  512.497013][ T8716]  sysfs_create_dir_ns+0x2ca/0x390
[  512.502439][ T8716]  ? sysfs_warn_dup+0xa0/0xa0
[  512.507344][ T8716]  kobject_add_internal+0x61d/0xc30
[  512.512870][ T8716]  kobject_add+0x152/0x210
[  512.518414][ T8716]  ? kobject_put+0x3e4/0x430
[  512.523598][ T8716]  ? kobject_init+0x1f0/0x1f0
[  512.529114][ T8716]  ? get_device_parent+0x25d/0x410
[  512.534256][ T8716]  ? device_add+0x30f/0xc90
[  512.538769][ T8716]  device_add+0x449/0xc90
[  512.543109][ T8716]  tty_register_device_attr+0x437/0x960
[  512.548769][ T8716]  ? tty_register_device+0x30/0x30
[  512.554185][ T8716]  ? gsm_dlci_alloc+0x354/0x6e0
[  512.559314][ T8716]  gsm_activate_mux+0xe9/0x290
[  512.564316][ T8716]  gsmld_ioctl+0x1858/0x25b0
[  512.569139][ T8716]  ? tomoyo_path_number_perm+0x663/0x840
[  512.575532][ T8716]  ? gsmld_write+0x120/0x120
[  512.580499][ T8716]  ? __vt_event_wait+0x240/0x240
[  512.585929][ T8716]  ? ldsem_down_read+0xb4/0xe0
[  512.591183][ T8716]  ? gsmld_write+0x120/0x120
[  512.597284][ T8716]  tty_ioctl+0x98c/0xda0
[  512.603108][ T8716]  ? security_file_ioctl+0x81/0xa0
[  512.608807][ T8716]  ? tty_get_icount+0xb0/0xb0
[  512.613878][ T8716]  __se_sys_ioctl+0xf8/0x170
[  512.620025][ T8716]  do_syscall_64+0x41/0xc0
[  512.624662][ T8716]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  512.631293][ T8716] RIP: 0033:0x7f68b62c56e9
[  512.635908][ T8716] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  512.655995][ T8716] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  512.664764][ T8716] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  512.673804][ T8716] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  512.683407][ T8716] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  512.691744][ T8716] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  512.701630][ T8716] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  512.710518][ T8716]  </TASK>
[  512.714525][ T8717] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  512.724018][ T8716] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.740450][ T8717] CPU: 0 PID: 8717 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  512.750993][ T8717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  512.764478][ T8717] Call Trace:
[  512.767823][ T8717]  <TASK>
[  512.771399][ T8717]  dump_stack_lvl+0x1e7/0x2d0
[  512.776387][ T8717]  ? nf_tcp_handle_invalid+0x650/0x650
[  512.782002][ T8717]  ? panic+0x770/0x770
[  512.786419][ T8717]  sysfs_create_dir_ns+0x2ca/0x390
[  512.791883][ T8717]  ? sysfs_warn_dup+0xa0/0xa0
[  512.796798][ T8717]  kobject_add_internal+0x61d/0xc30
[  512.802550][ T8717]  kobject_add+0x152/0x210
[  512.807168][ T8717]  ? kobject_put+0x3e4/0x430
[  512.811894][ T8717]  ? kobject_init+0x1f0/0x1f0
[  512.816621][ T8717]  ? get_device_parent+0x25d/0x410
[  512.822138][ T8717]  ? device_add+0x30f/0xc90
[  512.827678][ T8717]  device_add+0x449/0xc90
[  512.832495][ T8717]  tty_register_device_attr+0x437/0x960
[  512.838109][ T8717]  ? tty_register_device+0x30/0x30
[  512.843362][ T8717]  ? gsm_dlci_alloc+0x354/0x6e0
[  512.848279][ T8717]  gsm_activate_mux+0xe9/0x290
[  512.853061][ T8717]  gsmld_ioctl+0x1858/0x25b0
[  512.857930][ T8717]  ? tomoyo_path_number_perm+0x663/0x840
[  512.863749][ T8717]  ? gsmld_write+0x120/0x120
[  512.868544][ T8717]  ? __vt_event_wait+0x240/0x240
[  512.873782][ T8717]  ? ldsem_down_read+0xb4/0xe0
[  512.879685][ T8717]  ? gsmld_write+0x120/0x120
[  512.884712][ T8717]  tty_ioctl+0x98c/0xda0
[  512.889089][ T8717]  ? security_file_ioctl+0x81/0xa0
[  512.894215][ T8717]  ? tty_get_icount+0xb0/0xb0
[  512.899417][ T8717]  __se_sys_ioctl+0xf8/0x170
[  512.905515][ T8717]  do_syscall_64+0x41/0xc0
[  512.910320][ T8717]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  512.916683][ T8717] RIP: 0033:0x7f68b62c56e9
[  512.921101][ T8717] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  512.941940][ T8717] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  512.950629][ T8717] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  512.958863][ T8717] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  512.967722][ T8717] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  512.976767][ T8717] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  512.985831][ T8717] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  512.995300][ T8717]  </TASK>
[  513.003330][ T8717] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.196354][ T8720] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  513.225649][ T8720] CPU: 1 PID: 8720 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  513.236265][ T8720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  513.247478][ T8720] Call Trace:
[  513.250929][ T8720]  <TASK>
[  513.253978][ T8720]  dump_stack_lvl+0x1e7/0x2d0
[  513.258811][ T8720]  ? nf_tcp_handle_invalid+0x650/0x650
[  513.264588][ T8720]  ? panic+0x770/0x770
[  513.268809][ T8720]  sysfs_create_dir_ns+0x2ca/0x390
[  513.274055][ T8720]  ? sysfs_warn_dup+0xa0/0xa0
[  513.279292][ T8720]  kobject_add_internal+0x61d/0xc30
[  513.284716][ T8720]  kobject_add+0x152/0x210
[  513.289374][ T8720]  ? kobject_put+0x3e4/0x430
[  513.294131][ T8720]  ? kobject_init+0x1f0/0x1f0
[  513.299030][ T8720]  ? get_device_parent+0x25d/0x410
[  513.304535][ T8720]  ? device_add+0x30f/0xc90
[  513.309170][ T8720]  device_add+0x449/0xc90
[  513.314179][ T8720]  tty_register_device_attr+0x437/0x960
[  513.320204][ T8720]  ? tty_register_device+0x30/0x30
[  513.325454][ T8720]  ? gsm_dlci_alloc+0x354/0x6e0
[  513.330440][ T8720]  gsm_activate_mux+0xe9/0x290
[  513.335503][ T8720]  gsmld_ioctl+0x1858/0x25b0
[  513.340148][ T8720]  ? tomoyo_path_number_perm+0x663/0x840
[  513.346540][ T8720]  ? gsmld_write+0x120/0x120
[  513.351465][ T8720]  ? __vt_event_wait+0x240/0x240
[  513.356756][ T8720]  ? ldsem_down_read+0xb4/0xe0
[  513.361773][ T8720]  ? gsmld_write+0x120/0x120
[  513.366515][ T8720]  tty_ioctl+0x98c/0xda0
[  513.371469][ T8720]  ? security_file_ioctl+0x81/0xa0
[  513.376693][ T8720]  ? tty_get_icount+0xb0/0xb0
[  513.381396][ T8720]  __se_sys_ioctl+0xf8/0x170
[  513.386100][ T8720]  do_syscall_64+0x41/0xc0
[  513.390624][ T8720]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  513.396721][ T8720] RIP: 0033:0x7f68b62c56e9
[  513.402721][ T8720] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  513.424853][ T8720] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  513.435023][ T8720] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  513.443545][ T8720] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  513.452682][ T8720] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  513.461153][ T8720] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  513.471415][ T8720] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  513.480995][ T8720]  </TASK>
[  513.486444][ T8720] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.671068][ T8723] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  513.685125][ T8723] CPU: 0 PID: 8723 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  513.696826][ T8723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  513.708448][ T8723] Call Trace:
[  513.712340][ T8723]  <TASK>
[  513.715594][ T8723]  dump_stack_lvl+0x1e7/0x2d0
[  513.722231][ T8723]  ? nf_tcp_handle_invalid+0x650/0x650
[  513.729471][ T8723]  ? panic+0x770/0x770
[  513.734382][ T8723]  sysfs_create_dir_ns+0x2ca/0x390
[  513.739739][ T8723]  ? sysfs_warn_dup+0xa0/0xa0
[  513.745142][ T8723]  kobject_add_internal+0x61d/0xc30
[  513.750572][ T8723]  kobject_add+0x152/0x210
[  513.756161][ T8723]  ? kobject_put+0x3e4/0x430
[  513.761291][ T8723]  ? kobject_init+0x1f0/0x1f0
[  513.767373][ T8723]  ? get_device_parent+0x25d/0x410
[  513.773583][ T8723]  ? device_add+0x30f/0xc90
[  513.779356][ T8723]  device_add+0x449/0xc90
[  513.784719][ T8723]  tty_register_device_attr+0x437/0x960
[  513.790954][ T8723]  ? tty_register_device+0x30/0x30
[  513.796570][ T8723]  ? gsm_dlci_alloc+0x354/0x6e0
[  513.802627][ T8723]  gsm_activate_mux+0xe9/0x290
[  513.808217][ T8723]  gsmld_ioctl+0x1858/0x25b0
[  513.813259][ T8723]  ? tomoyo_path_number_perm+0x663/0x840
[  513.819215][ T8723]  ? gsmld_write+0x120/0x120
[  513.824258][ T8723]  ? __vt_event_wait+0x240/0x240
[  513.829513][ T8723]  ? ldsem_down_read+0xb4/0xe0
[  513.835213][ T8723]  ? gsmld_write+0x120/0x120
[  513.839973][ T8723]  tty_ioctl+0x98c/0xda0
[  513.844441][ T8723]  ? security_file_ioctl+0x81/0xa0
[  513.849861][ T8723]  ? tty_get_icount+0xb0/0xb0
[  513.854756][ T8723]  __se_sys_ioctl+0xf8/0x170
[  513.859898][ T8723]  do_syscall_64+0x41/0xc0
[  513.865134][ T8723]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  513.871638][ T8723] RIP: 0033:0x7f68b62c56e9
[  513.876070][ T8723] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  513.896560][ T8723] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  513.904979][ T8723] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  513.914206][ T8723] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  513.923263][ T8723] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  513.933539][ T8723] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  513.942011][ T8723] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  513.950724][ T8723]  </TASK>
[  513.956384][ T8723] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.975835][ T8724] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.003885][ T8724] CPU: 1 PID: 8724 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  514.015402][ T8724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  514.026194][ T8724] Call Trace:
[  514.029589][ T8724]  <TASK>
[  514.032902][ T8724]  dump_stack_lvl+0x1e7/0x2d0
[  514.038066][ T8724]  ? nf_tcp_handle_invalid+0x650/0x650
[  514.043681][ T8724]  ? panic+0x770/0x770
[  514.048286][ T8724]  sysfs_create_dir_ns+0x2ca/0x390
[  514.054755][ T8724]  ? sysfs_warn_dup+0xa0/0xa0
[  514.059573][ T8724]  kobject_add_internal+0x61d/0xc30
[  514.064854][ T8724]  kobject_add+0x152/0x210
[  514.071318][ T8724]  ? kobject_put+0x3e4/0x430
[  514.076972][ T8724]  ? kobject_init+0x1f0/0x1f0
[  514.081706][ T8724]  ? get_device_parent+0x25d/0x410
[  514.087311][ T8724]  ? device_add+0x30f/0xc90
[  514.092352][ T8724]  device_add+0x449/0xc90
[  514.096882][ T8724]  tty_register_device_attr+0x437/0x960
[  514.102732][ T8724]  ? tty_register_device+0x30/0x30
[  514.108740][ T8724]  ? gsm_dlci_alloc+0x354/0x6e0
[  514.114128][ T8724]  gsm_activate_mux+0xe9/0x290
[  514.118899][ T8724]  gsmld_ioctl+0x1858/0x25b0
[  514.123495][ T8724]  ? tomoyo_path_number_perm+0x663/0x840
[  514.130645][ T8724]  ? gsmld_write+0x120/0x120
[  514.135533][ T8724]  ? __vt_event_wait+0x240/0x240
[  514.140495][ T8724]  ? ldsem_down_read+0xb4/0xe0
[  514.145445][ T8724]  ? gsmld_write+0x120/0x120
[  514.150374][ T8724]  tty_ioctl+0x98c/0xda0
[  514.154711][ T8724]  ? security_file_ioctl+0x81/0xa0
[  514.159851][ T8724]  ? tty_get_icount+0xb0/0xb0
[  514.166635][ T8724]  __se_sys_ioctl+0xf8/0x170
[  514.173094][ T8724]  do_syscall_64+0x41/0xc0
[  514.179175][ T8724]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  514.185880][ T8724] RIP: 0033:0x7f68b62c56e9
[  514.191499][ T8724] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  514.213145][ T8724] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  514.222256][ T8724] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  514.231741][ T8724] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  514.239976][ T8724] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  514.248283][ T8724] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  514.256710][ T8724] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  514.265804][ T8724]  </TASK>
[  514.270477][ T8724] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.449301][ T8727] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.466492][ T8727] CPU: 1 PID: 8727 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  514.477774][ T8727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  514.489086][ T8727] Call Trace:
[  514.492908][ T8727]  <TASK>
[  514.496173][ T8727]  dump_stack_lvl+0x1e7/0x2d0
[  514.501623][ T8727]  ? nf_tcp_handle_invalid+0x650/0x650
[  514.507772][ T8727]  ? panic+0x770/0x770
[  514.512248][ T8727]  sysfs_create_dir_ns+0x2ca/0x390
[  514.517762][ T8727]  ? sysfs_warn_dup+0xa0/0xa0
[  514.522484][ T8727]  kobject_add_internal+0x61d/0xc30
[  514.528168][ T8727]  kobject_add+0x152/0x210
[  514.532797][ T8727]  ? kobject_put+0x3e4/0x430
[  514.537613][ T8727]  ? kobject_init+0x1f0/0x1f0
[  514.542420][ T8727]  ? get_device_parent+0x25d/0x410
[  514.547577][ T8727]  ? device_add+0x30f/0xc90
[  514.552124][ T8727]  device_add+0x449/0xc90
[  514.557532][ T8727]  tty_register_device_attr+0x437/0x960
[  514.563499][ T8727]  ? tty_register_device+0x30/0x30
[  514.568922][ T8727]  ? gsm_dlci_alloc+0x354/0x6e0
[  514.574546][ T8727]  gsm_activate_mux+0xe9/0x290
[  514.580220][ T8727]  gsmld_ioctl+0x1858/0x25b0
[  514.584844][ T8727]  ? tomoyo_path_number_perm+0x663/0x840
[  514.590748][ T8727]  ? gsmld_write+0x120/0x120
[  514.595829][ T8727]  ? __vt_event_wait+0x240/0x240
[  514.602304][ T8727]  ? ldsem_down_read+0xb4/0xe0
[  514.607572][ T8727]  ? gsmld_write+0x120/0x120
[  514.612733][ T8727]  tty_ioctl+0x98c/0xda0
[  514.617112][ T8727]  ? security_file_ioctl+0x81/0xa0
[  514.622523][ T8727]  ? tty_get_icount+0xb0/0xb0
[  514.627671][ T8727]  __se_sys_ioctl+0xf8/0x170
[  514.632996][ T8727]  do_syscall_64+0x41/0xc0
[  514.637675][ T8727]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  514.644941][ T8727] RIP: 0033:0x7f68b62c56e9
[  514.649837][ T8727] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  514.671636][ T8727] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  514.680249][ T8727] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  514.690002][ T8727] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  514.699311][ T8727] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  514.708297][ T8727] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  514.716749][ T8727] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  514.727260][ T8727]  </TASK>
[  514.730986][ T8727] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.942945][ T8730] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.975534][ T8730] CPU: 1 PID: 8730 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  514.987018][ T8730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  514.997628][ T8730] Call Trace:
[  515.000144][ T8731] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  515.000941][ T8730]  <TASK>
[  515.012780][ T8730]  dump_stack_lvl+0x1e7/0x2d0
[  515.017590][ T8730]  ? nf_tcp_handle_invalid+0x650/0x650
[  515.023173][ T8730]  ? panic+0x770/0x770
[  515.027433][ T8730]  sysfs_create_dir_ns+0x2ca/0x390
[  515.032813][ T8730]  ? sysfs_warn_dup+0xa0/0xa0
[  515.037518][ T8730]  kobject_add_internal+0x61d/0xc30
[  515.043255][ T8730]  kobject_add+0x152/0x210
[  515.047774][ T8730]  ? kobject_put+0x3e4/0x430
[  515.052471][ T8730]  ? kobject_init+0x1f0/0x1f0
[  515.057251][ T8730]  ? get_device_parent+0x25d/0x410
[  515.063176][ T8730]  ? device_add+0x30f/0xc90
[  515.067876][ T8730]  device_add+0x449/0xc90
[  515.072220][ T8730]  tty_register_device_attr+0x437/0x960
[  515.077946][ T8730]  ? tty_register_device+0x30/0x30
[  515.083167][ T8730]  ? gsm_dlci_alloc+0x354/0x6e0
[  515.088479][ T8730]  gsm_activate_mux+0xe9/0x290
[  515.093991][ T8730]  gsmld_ioctl+0x1858/0x25b0
[  515.099298][ T8730]  ? tomoyo_path_number_perm+0x663/0x840
[  515.105571][ T8730]  ? gsmld_write+0x120/0x120
[  515.110638][ T8730]  ? __vt_event_wait+0x240/0x240
[  515.115842][ T8730]  ? ldsem_down_read+0xb4/0xe0
[  515.120806][ T8730]  ? gsmld_write+0x120/0x120
[  515.125421][ T8730]  tty_ioctl+0x98c/0xda0
[  515.129903][ T8730]  ? security_file_ioctl+0x81/0xa0
[  515.135255][ T8730]  ? tty_get_icount+0xb0/0xb0
[  515.139985][ T8730]  __se_sys_ioctl+0xf8/0x170
[  515.144579][ T8730]  do_syscall_64+0x41/0xc0
[  515.149005][ T8730]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  515.154904][ T8730] RIP: 0033:0x7f68b62c56e9
[  515.159326][ T8730] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  515.179409][ T8730] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  515.187914][ T8730] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  515.195972][ T8730] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  515.203964][ T8730] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  515.212144][ T8730] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  515.220640][ T8730] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  515.228807][ T8730]  </TASK>
[  515.232264][ T8731] CPU: 0 PID: 8731 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  515.242704][ T8731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  515.252392][ T8730] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.253330][ T8731] Call Trace:
[  515.253341][ T8731]  <TASK>
[  515.275154][ T8731]  dump_stack_lvl+0x1e7/0x2d0
[  515.279871][ T8731]  ? nf_tcp_handle_invalid+0x650/0x650
[  515.285552][ T8731]  ? panic+0x770/0x770
[  515.290158][ T8731]  sysfs_create_dir_ns+0x2ca/0x390
[  515.295270][ T8731]  ? sysfs_warn_dup+0xa0/0xa0
[  515.300912][ T8731]  kobject_add_internal+0x61d/0xc30
[  515.306521][ T8731]  kobject_add+0x152/0x210
[  515.311112][ T8731]  ? kobject_put+0x3e4/0x430
[  515.315895][ T8731]  ? kobject_init+0x1f0/0x1f0
[  515.320831][ T8731]  ? get_device_parent+0x25d/0x410
[  515.326483][ T8731]  ? device_add+0x30f/0xc90
[  515.331160][ T8731]  device_add+0x449/0xc90
[  515.335580][ T8731]  tty_register_device_attr+0x437/0x960
[  515.341153][ T8731]  ? tty_register_device+0x30/0x30
[  515.346370][ T8731]  ? gsm_dlci_alloc+0x354/0x6e0
[  515.351409][ T8731]  gsm_activate_mux+0xe9/0x290
[  515.356459][ T8731]  gsmld_ioctl+0x1858/0x25b0
[  515.361055][ T8731]  ? tomoyo_path_number_perm+0x663/0x840
[  515.366696][ T8731]  ? gsmld_write+0x120/0x120
[  515.371460][ T8731]  ? __vt_event_wait+0x240/0x240
[  515.376577][ T8731]  ? ldsem_down_read+0xb4/0xe0
[  515.381340][ T8731]  ? gsmld_write+0x120/0x120
[  515.386277][ T8731]  tty_ioctl+0x98c/0xda0
[  515.390603][ T8731]  ? security_file_ioctl+0x81/0xa0
[  515.395809][ T8731]  ? tty_get_icount+0xb0/0xb0
[  515.400572][ T8731]  __se_sys_ioctl+0xf8/0x170
[  515.405260][ T8731]  do_syscall_64+0x41/0xc0
[  515.409704][ T8731]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  515.415779][ T8731] RIP: 0033:0x7f68b62c56e9
[  515.420285][ T8731] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  515.440246][ T8731] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  515.449003][ T8731] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  515.457068][ T8731] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  515.465646][ T8731] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  515.474253][ T8731] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  515.482330][ T8731] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  515.490332][ T8731]  </TASK>
[  515.494549][ T8731] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.703338][ T8734] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  515.713582][ T8734] CPU: 1 PID: 8734 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  515.724490][ T8734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  515.734746][ T8734] Call Trace:
[  515.738226][ T8734]  <TASK>
[  515.741268][ T8734]  dump_stack_lvl+0x1e7/0x2d0
[  515.746105][ T8734]  ? nf_tcp_handle_invalid+0x650/0x650
[  515.751995][ T8734]  ? panic+0x770/0x770
[  515.756807][ T8734]  sysfs_create_dir_ns+0x2ca/0x390
[  515.762221][ T8734]  ? sysfs_warn_dup+0xa0/0xa0
[  515.767118][ T8734]  kobject_add_internal+0x61d/0xc30
[  515.772396][ T8734]  kobject_add+0x152/0x210
[  515.777114][ T8734]  ? kobject_put+0x3e4/0x430
[  515.781837][ T8734]  ? kobject_init+0x1f0/0x1f0
[  515.786553][ T8734]  ? get_device_parent+0x25d/0x410
[  515.791701][ T8734]  ? device_add+0x30f/0xc90
[  515.796240][ T8734]  device_add+0x449/0xc90
[  515.800603][ T8734]  tty_register_device_attr+0x437/0x960
[  515.806535][ T8734]  ? tty_register_device+0x30/0x30
[  515.811867][ T8734]  ? gsm_dlci_alloc+0x354/0x6e0
[  515.816755][ T8734]  gsm_activate_mux+0xe9/0x290
[  515.822150][ T8734]  gsmld_ioctl+0x1858/0x25b0
[  515.826838][ T8734]  ? tomoyo_path_number_perm+0x663/0x840
[  515.832492][ T8734]  ? gsmld_write+0x120/0x120
[  515.837095][ T8734]  ? __vt_event_wait+0x240/0x240
[  515.842051][ T8734]  ? ldsem_down_read+0xb4/0xe0
[  515.847088][ T8734]  ? gsmld_write+0x120/0x120
[  515.851764][ T8734]  tty_ioctl+0x98c/0xda0
[  515.856008][ T8734]  ? security_file_ioctl+0x81/0xa0
[  515.861138][ T8734]  ? tty_get_icount+0xb0/0xb0
[  515.865807][ T8734]  __se_sys_ioctl+0xf8/0x170
[  515.870404][ T8734]  do_syscall_64+0x41/0xc0
[  515.874906][ T8734]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  515.880801][ T8734] RIP: 0033:0x7f68b62c56e9
[  515.885234][ T8734] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  515.905279][ T8734] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  515.913954][ T8734] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  515.921948][ T8734] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  515.930520][ T8734] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  515.938566][ T8734] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  515.946813][ T8734] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  515.955047][ T8734]  </TASK>
[  515.958862][ T8734] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.979834][ T8735] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  515.988930][ T8735] CPU: 1 PID: 8735 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  515.999199][ T8735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  516.009271][ T8735] Call Trace:
[  516.012659][ T8735]  <TASK>
[  516.015612][ T8735]  dump_stack_lvl+0x1e7/0x2d0
[  516.020323][ T8735]  ? nf_tcp_handle_invalid+0x650/0x650
[  516.025986][ T8735]  ? panic+0x770/0x770
[  516.030110][ T8735]  sysfs_create_dir_ns+0x2ca/0x390
[  516.035248][ T8735]  ? sysfs_warn_dup+0xa0/0xa0
[  516.040051][ T8735]  kobject_add_internal+0x61d/0xc30
[  516.045284][ T8735]  kobject_add+0x152/0x210
[  516.049705][ T8735]  ? kobject_put+0x3e4/0x430
[  516.054292][ T8735]  ? kobject_init+0x1f0/0x1f0
[  516.059051][ T8735]  ? get_device_parent+0x25d/0x410
[  516.064154][ T8735]  ? device_add+0x30f/0xc90
[  516.068659][ T8735]  device_add+0x449/0xc90
[  516.073165][ T8735]  tty_register_device_attr+0x437/0x960
[  516.079055][ T8735]  ? tty_register_device+0x30/0x30
[  516.084260][ T8735]  ? gsm_dlci_alloc+0x354/0x6e0
[  516.089117][ T8735]  gsm_activate_mux+0xe9/0x290
[  516.093934][ T8735]  gsmld_ioctl+0x1858/0x25b0
[  516.098532][ T8735]  ? tomoyo_path_number_perm+0x663/0x840
[  516.104168][ T8735]  ? gsmld_write+0x120/0x120
[  516.108764][ T8735]  ? __vt_event_wait+0x240/0x240
[  516.113788][ T8735]  ? ldsem_down_read+0xb4/0xe0
[  516.118557][ T8735]  ? gsmld_write+0x120/0x120
[  516.123241][ T8735]  tty_ioctl+0x98c/0xda0
[  516.127564][ T8735]  ? security_file_ioctl+0x81/0xa0
[  516.132757][ T8735]  ? tty_get_icount+0xb0/0xb0
[  516.137455][ T8735]  __se_sys_ioctl+0xf8/0x170
[  516.142212][ T8735]  do_syscall_64+0x41/0xc0
[  516.146796][ T8735]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  516.152783][ T8735] RIP: 0033:0x7f68b62c56e9
[  516.157185][ T8735] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  516.177312][ T8735] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  516.186337][ T8735] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  516.194915][ T8735] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  516.203055][ T8735] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  516.211293][ T8735] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  516.220143][ T8735] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  516.228212][ T8735]  </TASK>
[  516.232153][ T8735] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.400894][ T8738] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  516.413313][ T8738] CPU: 0 PID: 8738 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  516.423601][ T8738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  516.434140][ T8738] Call Trace:
[  516.437445][ T8738]  <TASK>
[  516.440392][ T8738]  dump_stack_lvl+0x1e7/0x2d0
[  516.445103][ T8738]  ? nf_tcp_handle_invalid+0x650/0x650
[  516.450678][ T8738]  ? panic+0x770/0x770
[  516.454873][ T8738]  sysfs_create_dir_ns+0x2ca/0x390
[  516.460451][ T8738]  ? sysfs_warn_dup+0xa0/0xa0
[  516.465162][ T8738]  kobject_add_internal+0x61d/0xc30
[  516.470498][ T8738]  kobject_add+0x152/0x210
[  516.474954][ T8738]  ? kobject_put+0x3e4/0x430
[  516.479583][ T8738]  ? kobject_init+0x1f0/0x1f0
[  516.484298][ T8738]  ? get_device_parent+0x25d/0x410
[  516.489536][ T8738]  ? device_add+0x30f/0xc90
[  516.494077][ T8738]  device_add+0x449/0xc90
[  516.498961][ T8738]  tty_register_device_attr+0x437/0x960
[  516.504544][ T8738]  ? tty_register_device+0x30/0x30
[  516.509775][ T8738]  ? gsm_dlci_alloc+0x354/0x6e0
[  516.514738][ T8738]  gsm_activate_mux+0xe9/0x290
[  516.519627][ T8738]  gsmld_ioctl+0x1858/0x25b0
[  516.524249][ T8738]  ? tomoyo_path_number_perm+0x663/0x840
[  516.529919][ T8738]  ? gsmld_write+0x120/0x120
[  516.534551][ T8738]  ? __vt_event_wait+0x240/0x240
[  516.539544][ T8738]  ? ldsem_down_read+0xb4/0xe0
[  516.544702][ T8738]  ? gsmld_write+0x120/0x120
[  516.549333][ T8738]  tty_ioctl+0x98c/0xda0
[  516.553626][ T8738]  ? security_file_ioctl+0x81/0xa0
[  516.558860][ T8738]  ? tty_get_icount+0xb0/0xb0
[  516.563580][ T8738]  __se_sys_ioctl+0xf8/0x170
[  516.568290][ T8738]  do_syscall_64+0x41/0xc0
[  516.572833][ T8738]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  516.578928][ T8738] RIP: 0033:0x7f68b62c56e9
[  516.583339][ T8738] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  516.604427][ T8738] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  516.612855][ T8738] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  516.621010][ T8738] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  516.629417][ T8738] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  516.637655][ T8738] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  516.645633][ T8738] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  516.653792][ T8738]  </TASK>
[  516.658758][ T8738] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.834114][ T8742] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  516.853560][ T8742] CPU: 0 PID: 8742 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  516.864205][ T8742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  516.874374][ T8742] Call Trace:
[  516.877694][ T8742]  <TASK>
[  516.880934][ T8742]  dump_stack_lvl+0x1e7/0x2d0
[  516.885678][ T8742]  ? nf_tcp_handle_invalid+0x650/0x650
[  516.891351][ T8742]  ? panic+0x770/0x770
[  516.895485][ T8742]  sysfs_create_dir_ns+0x2ca/0x390
[  516.901084][ T8742]  ? sysfs_warn_dup+0xa0/0xa0
[  516.906410][ T8742]  kobject_add_internal+0x61d/0xc30
[  516.912240][ T8742]  kobject_add+0x152/0x210
[  516.916797][ T8742]  ? kobject_put+0x3e4/0x430
[  516.921431][ T8742]  ? kobject_init+0x1f0/0x1f0
[  516.926158][ T8742]  ? get_device_parent+0x25d/0x410
[  516.931853][ T8742]  ? device_add+0x30f/0xc90
[  516.936391][ T8742]  device_add+0x449/0xc90
[  516.940762][ T8742]  tty_register_device_attr+0x437/0x960
[  516.946357][ T8742]  ? tty_register_device+0x30/0x30
[  516.951536][ T8742]  ? gsm_dlci_alloc+0x354/0x6e0
[  516.956689][ T8742]  gsm_activate_mux+0xe9/0x290
[  516.961964][ T8742]  gsmld_ioctl+0x1858/0x25b0
[  516.967029][ T8742]  ? tomoyo_path_number_perm+0x663/0x840
[  516.972812][ T8742]  ? gsmld_write+0x120/0x120
[  516.977684][ T8742]  ? __vt_event_wait+0x240/0x240
[  516.983109][ T8742]  ? ldsem_down_read+0xb4/0xe0
[  516.988195][ T8742]  ? gsmld_write+0x120/0x120
[  516.993002][ T8742]  tty_ioctl+0x98c/0xda0
[  516.997462][ T8742]  ? security_file_ioctl+0x81/0xa0
[  517.002868][ T8742]  ? tty_get_icount+0xb0/0xb0
[  517.007607][ T8742]  __se_sys_ioctl+0xf8/0x170
[  517.012231][ T8742]  do_syscall_64+0x41/0xc0
[  517.016792][ T8742]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  517.023076][ T8742] RIP: 0033:0x7f68b62c56e9
[  517.027598][ T8742] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  517.047818][ T8742] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  517.056563][ T8742] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  517.064671][ T8742] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  517.073090][ T8742] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  517.081298][ T8742] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  517.089443][ T8742] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  517.097513][ T8742]  </TASK>
[  517.102030][ T8742] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.268058][ T8745] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  517.277089][ T8745] CPU: 0 PID: 8745 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  517.287360][ T8745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  517.297626][ T8745] Call Trace:
[  517.301029][ T8745]  <TASK>
[  517.304240][ T8745]  dump_stack_lvl+0x1e7/0x2d0
[  517.309122][ T8745]  ? nf_tcp_handle_invalid+0x650/0x650
[  517.314719][ T8745]  ? panic+0x770/0x770
[  517.318823][ T8745]  sysfs_create_dir_ns+0x2ca/0x390
[  517.324310][ T8745]  ? sysfs_warn_dup+0xa0/0xa0
[  517.329285][ T8745]  kobject_add_internal+0x61d/0xc30
[  517.334539][ T8745]  kobject_add+0x152/0x210
[  517.339076][ T8745]  ? kobject_put+0x3e4/0x430
[  517.343716][ T8745]  ? kobject_init+0x1f0/0x1f0
[  517.348528][ T8745]  ? get_device_parent+0x25d/0x410
[  517.353806][ T8745]  ? device_add+0x30f/0xc90
[  517.358352][ T8745]  device_add+0x449/0xc90
[  517.362808][ T8745]  tty_register_device_attr+0x437/0x960
[  517.368391][ T8745]  ? tty_register_device+0x30/0x30
[  517.373545][ T8745]  ? gsm_dlci_alloc+0x354/0x6e0
[  517.378437][ T8745]  gsm_activate_mux+0xe9/0x290
[  517.383241][ T8745]  gsmld_ioctl+0x1858/0x25b0
[  517.387947][ T8745]  ? tomoyo_path_number_perm+0x663/0x840
[  517.393727][ T8745]  ? gsmld_write+0x120/0x120
[  517.398488][ T8745]  ? __vt_event_wait+0x240/0x240
[  517.403474][ T8745]  ? ldsem_down_read+0xb4/0xe0
[  517.408451][ T8745]  ? gsmld_write+0x120/0x120
[  517.413077][ T8745]  tty_ioctl+0x98c/0xda0
[  517.417628][ T8745]  ? security_file_ioctl+0x81/0xa0
[  517.422862][ T8745]  ? tty_get_icount+0xb0/0xb0
[  517.427672][ T8745]  __se_sys_ioctl+0xf8/0x170
[  517.432650][ T8745]  do_syscall_64+0x41/0xc0
[  517.437107][ T8745]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  517.443327][ T8745] RIP: 0033:0x7f68b62c56e9
[  517.447941][ T8745] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  517.468106][ T8745] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  517.476695][ T8745] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  517.484690][ T8745] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  517.492845][ T8745] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  517.500820][ T8745] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  517.508812][ T8745] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  517.516778][ T8745]  </TASK>
[  517.522224][ T8745] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.690696][ T8749] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  517.712112][ T8749] CPU: 0 PID: 8749 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  517.722325][ T8749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  517.732841][ T8749] Call Trace:
[  517.736552][ T8749]  <TASK>
[  517.739504][ T8749]  dump_stack_lvl+0x1e7/0x2d0
[  517.744573][ T8749]  ? nf_tcp_handle_invalid+0x650/0x650
[  517.750123][ T8749]  ? panic+0x770/0x770
[  517.754484][ T8749]  sysfs_create_dir_ns+0x2ca/0x390
[  517.760520][ T8749]  ? sysfs_warn_dup+0xa0/0xa0
[  517.766162][ T8749]  kobject_add_internal+0x61d/0xc30
[  517.771782][ T8749]  kobject_add+0x152/0x210
[  517.776246][ T8749]  ? kobject_put+0x3e4/0x430
[  517.780879][ T8749]  ? kobject_init+0x1f0/0x1f0
[  517.785600][ T8749]  ? get_device_parent+0x25d/0x410
[  517.790753][ T8749]  ? device_add+0x30f/0xc90
[  517.795466][ T8749]  device_add+0x449/0xc90
[  517.799939][ T8749]  tty_register_device_attr+0x437/0x960
[  517.805615][ T8749]  ? tty_register_device+0x30/0x30
[  517.810769][ T8749]  ? gsm_dlci_alloc+0x354/0x6e0
[  517.815661][ T8749]  gsm_activate_mux+0xe9/0x290
[  517.820638][ T8749]  gsmld_ioctl+0x1858/0x25b0
[  517.825263][ T8749]  ? tomoyo_path_number_perm+0x663/0x840
[  517.831037][ T8749]  ? gsmld_write+0x120/0x120
[  517.835658][ T8749]  ? __vt_event_wait+0x240/0x240
[  517.840719][ T8749]  ? ldsem_down_read+0xb4/0xe0
[  517.845521][ T8749]  ? gsmld_write+0x120/0x120
[  517.850245][ T8749]  tty_ioctl+0x98c/0xda0
[  517.854992][ T8749]  ? security_file_ioctl+0x81/0xa0
[  517.860226][ T8749]  ? tty_get_icount+0xb0/0xb0
[  517.865112][ T8749]  __se_sys_ioctl+0xf8/0x170
[  517.869887][ T8749]  do_syscall_64+0x41/0xc0
[  517.874714][ T8749]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  517.880733][ T8749] RIP: 0033:0x7f68b62c56e9
[  517.885148][ T8749] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  517.905059][ T8749] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  517.913772][ T8749] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  517.922199][ T8749] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  517.930253][ T8749] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  517.938350][ T8749] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  517.946320][ T8749] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  517.954745][ T8749]  </TASK>
[  517.958704][ T8749] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.123392][ T8752] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  518.137710][ T8752] CPU: 0 PID: 8752 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  518.148261][ T8752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  518.159495][ T8752] Call Trace:
[  518.162807][ T8752]  <TASK>
[  518.165840][ T8752]  dump_stack_lvl+0x1e7/0x2d0
[  518.170897][ T8752]  ? nf_tcp_handle_invalid+0x650/0x650
[  518.176478][ T8752]  ? panic+0x770/0x770
[  518.180676][ T8752]  sysfs_create_dir_ns+0x2ca/0x390
[  518.185835][ T8752]  ? sysfs_warn_dup+0xa0/0xa0
[  518.190695][ T8752]  kobject_add_internal+0x61d/0xc30
[  518.196025][ T8752]  kobject_add+0x152/0x210
[  518.200580][ T8752]  ? kobject_put+0x3e4/0x430
[  518.205294][ T8752]  ? kobject_init+0x1f0/0x1f0
[  518.210183][ T8752]  ? get_device_parent+0x25d/0x410
[  518.215403][ T8752]  ? device_add+0x30f/0xc90
[  518.219949][ T8752]  device_add+0x449/0xc90
[  518.224321][ T8752]  tty_register_device_attr+0x437/0x960
[  518.230038][ T8752]  ? tty_register_device+0x30/0x30
[  518.235228][ T8752]  ? gsm_dlci_alloc+0x354/0x6e0
[  518.240205][ T8752]  gsm_activate_mux+0xe9/0x290
[  518.245182][ T8752]  gsmld_ioctl+0x1858/0x25b0
[  518.249892][ T8752]  ? tomoyo_path_number_perm+0x663/0x840
[  518.255582][ T8752]  ? gsmld_write+0x120/0x120
[  518.260289][ T8752]  ? __vt_event_wait+0x240/0x240
[  518.265533][ T8752]  ? ldsem_down_read+0xb4/0xe0
[  518.270429][ T8752]  ? gsmld_write+0x120/0x120
[  518.275193][ T8752]  tty_ioctl+0x98c/0xda0
[  518.279556][ T8752]  ? security_file_ioctl+0x81/0xa0
[  518.284875][ T8752]  ? tty_get_icount+0xb0/0xb0
[  518.289867][ T8752]  __se_sys_ioctl+0xf8/0x170
[  518.294490][ T8752]  do_syscall_64+0x41/0xc0
[  518.299111][ T8752]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  518.306289][ T8752] RIP: 0033:0x7f68b62c56e9
[  518.311045][ T8752] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  518.331088][ T8752] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  518.339591][ T8752] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  518.347564][ T8752] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  518.355707][ T8752] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  518.363757][ T8752] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  518.371740][ T8752] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  518.379880][ T8752]  </TASK>
[  518.384357][ T8752] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.557704][ T8755] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  518.569113][ T8755] CPU: 1 PID: 8755 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  518.580103][ T8755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  518.590268][ T8755] Call Trace:
[  518.593614][ T8755]  <TASK>
[  518.596569][ T8755]  dump_stack_lvl+0x1e7/0x2d0
[  518.601465][ T8755]  ? nf_tcp_handle_invalid+0x650/0x650
[  518.606952][ T8755]  ? panic+0x770/0x770
[  518.611116][ T8755]  sysfs_create_dir_ns+0x2ca/0x390
[  518.616668][ T8755]  ? sysfs_warn_dup+0xa0/0xa0
[  518.621342][ T8755]  kobject_add_internal+0x61d/0xc30
[  518.626555][ T8755]  kobject_add+0x152/0x210
[  518.631270][ T8755]  ? kobject_put+0x3e4/0x430
[  518.635926][ T8755]  ? kobject_init+0x1f0/0x1f0
[  518.640705][ T8755]  ? get_device_parent+0x25d/0x410
[  518.646104][ T8755]  ? device_add+0x30f/0xc90
[  518.650752][ T8755]  device_add+0x449/0xc90
[  518.655471][ T8755]  tty_register_device_attr+0x437/0x960
[  518.661284][ T8755]  ? tty_register_device+0x30/0x30
[  518.666670][ T8755]  ? gsm_dlci_alloc+0x354/0x6e0
[  518.671629][ T8755]  gsm_activate_mux+0xe9/0x290
[  518.676737][ T8755]  gsmld_ioctl+0x1858/0x25b0
[  518.681494][ T8755]  ? tomoyo_path_number_perm+0x663/0x840
[  518.687748][ T8755]  ? gsmld_write+0x120/0x120
[  518.692445][ T8755]  ? __vt_event_wait+0x240/0x240
[  518.697409][ T8755]  ? ldsem_down_read+0xb4/0xe0
[  518.702262][ T8755]  ? gsmld_write+0x120/0x120
[  518.706935][ T8755]  tty_ioctl+0x98c/0xda0
[  518.711177][ T8755]  ? security_file_ioctl+0x81/0xa0
[  518.716281][ T8755]  ? tty_get_icount+0xb0/0xb0
[  518.720993][ T8755]  __se_sys_ioctl+0xf8/0x170
[  518.725672][ T8755]  do_syscall_64+0x41/0xc0
[  518.730174][ T8755]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  518.737384][ T8755] RIP: 0033:0x7f68b62c56e9
[  518.741969][ T8755] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  518.765757][ T8755] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  518.774317][ T8755] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  518.783199][ T8755] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  518.791920][ T8755] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  518.800315][ T8755] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  518.809117][ T8755] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  518.817467][ T8755]  </TASK>
[  518.836017][ T8756] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  518.839197][ T8755] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.845441][ T8756] CPU: 0 PID: 8756 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  518.845474][ T8756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  518.845484][ T8756] Call Trace:
[  518.845497][ T8756]  <TASK>
[  518.845506][ T8756]  dump_stack_lvl+0x1e7/0x2d0
[  518.895679][ T8756]  ? nf_tcp_handle_invalid+0x650/0x650
[  518.902657][ T8756]  ? panic+0x770/0x770
[  518.907127][ T8756]  sysfs_create_dir_ns+0x2ca/0x390
[  518.912310][ T8756]  ? sysfs_warn_dup+0xa0/0xa0
[  518.917727][ T8756]  kobject_add_internal+0x61d/0xc30
[  518.923266][ T8756]  kobject_add+0x152/0x210
[  518.928063][ T8756]  ? kobject_put+0x3e4/0x430
[  518.933299][ T8756]  ? kobject_init+0x1f0/0x1f0
[  518.938171][ T8756]  ? get_device_parent+0x25d/0x410
[  518.943778][ T8756]  ? device_add+0x30f/0xc90
[  518.948956][ T8756]  device_add+0x449/0xc90
[  518.954026][ T8756]  tty_register_device_attr+0x437/0x960
[  518.959807][ T8756]  ? tty_register_device+0x30/0x30
[  518.965161][ T8756]  ? gsm_dlci_alloc+0x354/0x6e0
[  518.970757][ T8756]  gsm_activate_mux+0xe9/0x290
[  518.976572][ T8756]  gsmld_ioctl+0x1858/0x25b0
[  518.981197][ T8756]  ? tomoyo_path_number_perm+0x663/0x840
[  518.987388][ T8756]  ? gsmld_write+0x120/0x120
[  518.992214][ T8756]  ? __vt_event_wait+0x240/0x240
[  518.997548][ T8756]  ? ldsem_down_read+0xb4/0xe0
[  519.002554][ T8756]  ? gsmld_write+0x120/0x120
[  519.007440][ T8756]  tty_ioctl+0x98c/0xda0
[  519.012147][ T8756]  ? security_file_ioctl+0x81/0xa0
[  519.017788][ T8756]  ? tty_get_icount+0xb0/0xb0
[  519.022819][ T8756]  __se_sys_ioctl+0xf8/0x170
[  519.027894][ T8756]  do_syscall_64+0x41/0xc0
[  519.032895][ T8756]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  519.039168][ T8756] RIP: 0033:0x7f68b62c56e9
[  519.044033][ T8756] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  519.064347][ T8756] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  519.073332][ T8756] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  519.081971][ T8756] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  519.091028][ T8756] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  519.099806][ T8756] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  519.108139][ T8756] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  519.117073][ T8756]  </TASK>
[  519.138549][ T8756] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.344425][ T8759] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.355014][ T8759] CPU: 1 PID: 8759 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  519.365304][ T8759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  519.376176][ T8759] Call Trace:
[  519.379658][ T8759]  <TASK>
[  519.382625][ T8759]  dump_stack_lvl+0x1e7/0x2d0
[  519.387743][ T8759]  ? nf_tcp_handle_invalid+0x650/0x650
[  519.393856][ T8759]  ? panic+0x770/0x770
[  519.398197][ T8759]  sysfs_create_dir_ns+0x2ca/0x390
[  519.404506][ T8759]  ? sysfs_warn_dup+0xa0/0xa0
[  519.409869][ T8759]  kobject_add_internal+0x61d/0xc30
[  519.415316][ T8759]  kobject_add+0x152/0x210
[  519.420136][ T8759]  ? kobject_put+0x3e4/0x430
[  519.424872][ T8759]  ? kobject_init+0x1f0/0x1f0
[  519.430555][ T8759]  ? get_device_parent+0x25d/0x410
[  519.435719][ T8759]  ? device_add+0x30f/0xc90
[  519.440389][ T8759]  device_add+0x449/0xc90
[  519.445218][ T8759]  tty_register_device_attr+0x437/0x960
[  519.451365][ T8759]  ? tty_register_device+0x30/0x30
[  519.457315][ T8759]  ? gsm_dlci_alloc+0x354/0x6e0
[  519.462496][ T8759]  gsm_activate_mux+0xe9/0x290
[  519.468098][ T8759]  gsmld_ioctl+0x1858/0x25b0
[  519.473047][ T8759]  ? tomoyo_path_number_perm+0x663/0x840
[  519.478828][ T8759]  ? gsmld_write+0x120/0x120
[  519.483564][ T8759]  ? __vt_event_wait+0x240/0x240
[  519.488850][ T8759]  ? ldsem_down_read+0xb4/0xe0
[  519.493709][ T8759]  ? gsmld_write+0x120/0x120
[  519.498783][ T8759]  tty_ioctl+0x98c/0xda0
[  519.503781][ T8759]  ? security_file_ioctl+0x81/0xa0
[  519.509461][ T8759]  ? tty_get_icount+0xb0/0xb0
[  519.514174][ T8759]  __se_sys_ioctl+0xf8/0x170
[  519.519685][ T8759]  do_syscall_64+0x41/0xc0
[  519.524233][ T8759]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  519.532290][ T8759] RIP: 0033:0x7f68b62c56e9
[  519.537354][ T8759] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  519.557346][ T8759] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  519.566238][ T8759] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  519.574330][ T8759] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  519.584143][ T8759] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  519.592912][ T8759] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  519.601332][ T8759] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  519.610563][ T8759]  </TASK>
[  519.614885][ T8759] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.787919][ T8762] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.799988][ T8762] CPU: 0 PID: 8762 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  519.810641][ T8762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  519.820901][ T8762] Call Trace:
[  519.824293][ T8762]  <TASK>
[  519.827268][ T8762]  dump_stack_lvl+0x1e7/0x2d0
[  519.832075][ T8762]  ? nf_tcp_handle_invalid+0x650/0x650
[  519.837747][ T8762]  ? panic+0x770/0x770
[  519.841990][ T8762]  sysfs_create_dir_ns+0x2ca/0x390
[  519.847251][ T8762]  ? sysfs_warn_dup+0xa0/0xa0
[  519.852148][ T8762]  kobject_add_internal+0x61d/0xc30
[  519.857743][ T8762]  kobject_add+0x152/0x210
[  519.862791][ T8762]  ? kobject_put+0x3e4/0x430
[  519.867721][ T8762]  ? kobject_init+0x1f0/0x1f0
[  519.872691][ T8762]  ? get_device_parent+0x25d/0x410
[  519.878295][ T8762]  ? device_add+0x30f/0xc90
[  519.882919][ T8762]  device_add+0x449/0xc90
[  519.887318][ T8762]  tty_register_device_attr+0x437/0x960
[  519.893561][ T8762]  ? tty_register_device+0x30/0x30
[  519.898963][ T8762]  ? gsm_dlci_alloc+0x354/0x6e0
[  519.904204][ T8762]  gsm_activate_mux+0xe9/0x290
[  519.909260][ T8762]  gsmld_ioctl+0x1858/0x25b0
[  519.914022][ T8762]  ? tomoyo_path_number_perm+0x663/0x840
[  519.920311][ T8762]  ? gsmld_write+0x120/0x120
[  519.925093][ T8762]  ? __vt_event_wait+0x240/0x240
[  519.930671][ T8762]  ? ldsem_down_read+0xb4/0xe0
[  519.935474][ T8762]  ? gsmld_write+0x120/0x120
[  519.940157][ T8762]  tty_ioctl+0x98c/0xda0
[  519.944931][ T8762]  ? security_file_ioctl+0x81/0xa0
[  519.950528][ T8762]  ? tty_get_icount+0xb0/0xb0
[  519.956454][ T8762]  __se_sys_ioctl+0xf8/0x170
[  519.962078][ T8762]  do_syscall_64+0x41/0xc0
[  519.966894][ T8762]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  519.973245][ T8762] RIP: 0033:0x7f68b62c56e9
[  519.977857][ T8762] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  519.998343][ T8762] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  520.006867][ T8762] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  520.016593][ T8762] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  520.024915][ T8762] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  520.033428][ T8762] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  520.042905][ T8762] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  520.051257][ T8762]  </TASK>
[  520.058904][ T8763] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  520.067720][ T8763] CPU: 0 PID: 8763 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  520.079008][ T8763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  520.090074][ T8763] Call Trace:
[  520.093403][ T8763]  <TASK>
[  520.097406][ T8763]  dump_stack_lvl+0x1e7/0x2d0
[  520.102572][ T8763]  ? nf_tcp_handle_invalid+0x650/0x650
[  520.111022][ T8763]  ? panic+0x770/0x770
[  520.115523][ T8763]  sysfs_create_dir_ns+0x2ca/0x390
[  520.121134][ T8763]  ? sysfs_warn_dup+0xa0/0xa0
[  520.126643][ T8763]  kobject_add_internal+0x61d/0xc30
[  520.132867][ T8763]  kobject_add+0x152/0x210
[  520.138122][ T8763]  ? kobject_put+0x3e4/0x430
[  520.143096][ T8763]  ? kobject_init+0x1f0/0x1f0
[  520.149352][ T8763]  ? get_device_parent+0x25d/0x410
[  520.155324][ T8763]  ? device_add+0x30f/0xc90
[  520.160145][ T8763]  device_add+0x449/0xc90
[  520.165215][ T8763]  tty_register_device_attr+0x437/0x960
[  520.172462][ T8763]  ? tty_register_device+0x30/0x30
[  520.178210][ T8763]  ? gsm_dlci_alloc+0x354/0x6e0
[  520.186956][ T8763]  gsm_activate_mux+0xe9/0x290
[  520.193269][ T8763]  gsmld_ioctl+0x1858/0x25b0
[  520.199076][ T8763]  ? tomoyo_path_number_perm+0x663/0x840
[  520.205465][ T8763]  ? gsmld_write+0x120/0x120
[  520.211038][ T8763]  ? __vt_event_wait+0x240/0x240
[  520.217439][ T8763]  ? ldsem_down_read+0xb4/0xe0
[  520.224094][ T8763]  ? gsmld_write+0x120/0x120
[  520.231673][ T8763]  tty_ioctl+0x98c/0xda0
[  520.239227][ T8763]  ? security_file_ioctl+0x81/0xa0
[  520.245732][ T8763]  ? tty_get_icount+0xb0/0xb0
[  520.251412][ T8763]  __se_sys_ioctl+0xf8/0x170
[  520.257487][ T8763]  do_syscall_64+0x41/0xc0
[  520.262694][ T8763]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  520.269575][ T8763] RIP: 0033:0x7f68b62c56e9
[  520.274299][ T8763] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  520.300318][ T8763] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  520.309901][ T8763] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  520.318647][ T8763] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  520.328566][ T8763] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  520.337233][ T8763] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  520.346291][ T8763] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  520.357567][ T8763]  </TASK>
[  520.361833][ T8762] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.375007][ T8763] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.618898][ T8766] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  520.633003][ T8766] CPU: 0 PID: 8766 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  520.644549][ T8766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  520.656192][ T8766] Call Trace:
[  520.659840][ T8766]  <TASK>
[  520.662890][ T8766]  dump_stack_lvl+0x1e7/0x2d0
[  520.667890][ T8766]  ? nf_tcp_handle_invalid+0x650/0x650
[  520.674255][ T8766]  ? panic+0x770/0x770
[  520.679713][ T8766]  sysfs_create_dir_ns+0x2ca/0x390
[  520.685658][ T8766]  ? sysfs_warn_dup+0xa0/0xa0
[  520.691335][ T8766]  kobject_add_internal+0x61d/0xc30
[  520.697026][ T8766]  kobject_add+0x152/0x210
[  520.702279][ T8766]  ? kobject_put+0x3e4/0x430
[  520.707445][ T8766]  ? kobject_init+0x1f0/0x1f0
[  520.713287][ T8766]  ? get_device_parent+0x25d/0x410
[  520.719604][ T8766]  ? device_add+0x30f/0xc90
[  520.725204][ T8766]  device_add+0x449/0xc90
[  520.730532][ T8766]  tty_register_device_attr+0x437/0x960
[  520.737029][ T8766]  ? tty_register_device+0x30/0x30
[  520.743998][ T8766]  ? gsm_dlci_alloc+0x354/0x6e0
[  520.751008][ T8766]  gsm_activate_mux+0xe9/0x290
[  520.757622][ T8766]  gsmld_ioctl+0x1858/0x25b0
[  520.766900][ T8766]  ? tomoyo_path_number_perm+0x663/0x840
[  520.774739][ T8766]  ? gsmld_write+0x120/0x120
[  520.780680][ T8766]  ? __vt_event_wait+0x240/0x240
[  520.787364][ T8766]  ? ldsem_down_read+0xb4/0xe0
[  520.792816][ T8766]  ? gsmld_write+0x120/0x120
[  520.797752][ T8766]  tty_ioctl+0x98c/0xda0
[  520.803350][ T8766]  ? security_file_ioctl+0x81/0xa0
[  520.810788][ T8766]  ? tty_get_icount+0xb0/0xb0
[  520.818779][ T8766]  __se_sys_ioctl+0xf8/0x170
[  520.827820][ T8766]  do_syscall_64+0x41/0xc0
[  520.836097][ T8766]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  520.844344][ T8766] RIP: 0033:0x7f68b62c56e9
[  520.850265][ T8766] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  520.876857][ T8766] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  520.887965][ T8766] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  520.897163][ T8766] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  520.905239][ T8766] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  520.913729][ T8766] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  520.924234][ T8766] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  520.932780][ T8766]  </TASK>
[  520.937748][ T8766] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.128477][ T8769] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.138960][ T8769] CPU: 0 PID: 8769 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  521.149268][ T8769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  521.160051][ T8769] Call Trace:
[  521.163353][ T8769]  <TASK>
[  521.166481][ T8769]  dump_stack_lvl+0x1e7/0x2d0
[  521.171457][ T8769]  ? nf_tcp_handle_invalid+0x650/0x650
[  521.177512][ T8769]  ? panic+0x770/0x770
[  521.183030][ T8769]  sysfs_create_dir_ns+0x2ca/0x390
[  521.186456][ T8770] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.189423][ T8769]  ? sysfs_warn_dup+0xa0/0xa0
[  521.204810][ T8769]  kobject_add_internal+0x61d/0xc30
[  521.210465][ T8769]  kobject_add+0x152/0x210
[  521.215647][ T8769]  ? kobject_put+0x3e4/0x430
[  521.220574][ T8769]  ? kobject_init+0x1f0/0x1f0
[  521.226258][ T8769]  ? get_device_parent+0x25d/0x410
[  521.231692][ T8769]  ? device_add+0x30f/0xc90
[  521.236443][ T8769]  device_add+0x449/0xc90
[  521.241057][ T8769]  tty_register_device_attr+0x437/0x960
[  521.247328][ T8769]  ? tty_register_device+0x30/0x30
[  521.252830][ T8769]  ? gsm_dlci_alloc+0x354/0x6e0
[  521.258153][ T8769]  gsm_activate_mux+0xe9/0x290
[  521.263123][ T8769]  gsmld_ioctl+0x1858/0x25b0
[  521.267749][ T8769]  ? tomoyo_path_number_perm+0x663/0x840
[  521.274013][ T8769]  ? gsmld_write+0x120/0x120
[  521.278988][ T8769]  ? __vt_event_wait+0x240/0x240
[  521.284274][ T8769]  ? ldsem_down_read+0xb4/0xe0
[  521.289066][ T8769]  ? gsmld_write+0x120/0x120
[  521.293768][ T8769]  tty_ioctl+0x98c/0xda0
[  521.298213][ T8769]  ? security_file_ioctl+0x81/0xa0
[  521.303586][ T8769]  ? tty_get_icount+0xb0/0xb0
[  521.308368][ T8769]  __se_sys_ioctl+0xf8/0x170
[  521.313135][ T8769]  do_syscall_64+0x41/0xc0
[  521.317758][ T8769]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  521.323964][ T8769] RIP: 0033:0x7f68b62c56e9
[  521.328498][ T8769] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  521.349607][ T8769] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  521.360143][ T8769] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  521.368484][ T8769] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  521.377687][ T8769] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  521.386150][ T8769] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  521.394669][ T8769] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  521.403288][ T8769]  </TASK>
[  521.408227][ T8770] CPU: 0 PID: 8770 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  521.418444][ T8770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  521.428941][ T8770] Call Trace:
[  521.432307][ T8770]  <TASK>
[  521.435411][ T8770]  dump_stack_lvl+0x1e7/0x2d0
[  521.440353][ T8770]  ? nf_tcp_handle_invalid+0x650/0x650
[  521.445825][ T8770]  ? panic+0x770/0x770
[  521.449996][ T8770]  sysfs_create_dir_ns+0x2ca/0x390
[  521.455891][ T8770]  ? sysfs_warn_dup+0xa0/0xa0
[  521.460564][ T8770]  kobject_add_internal+0x61d/0xc30
[  521.465773][ T8770]  kobject_add+0x152/0x210
[  521.471042][ T8770]  ? kobject_put+0x3e4/0x430
[  521.475638][ T8770]  ? kobject_init+0x1f0/0x1f0
[  521.480317][ T8770]  ? get_device_parent+0x25d/0x410
[  521.485453][ T8770]  ? device_add+0x30f/0xc90
[  521.490038][ T8770]  device_add+0x449/0xc90
[  521.494407][ T8770]  tty_register_device_attr+0x437/0x960
[  521.500149][ T8770]  ? tty_register_device+0x30/0x30
[  521.505432][ T8770]  ? gsm_dlci_alloc+0x354/0x6e0
[  521.510718][ T8770]  gsm_activate_mux+0xe9/0x290
[  521.516105][ T8770]  gsmld_ioctl+0x1858/0x25b0
[  521.521081][ T8770]  ? tomoyo_path_number_perm+0x663/0x840
[  521.527473][ T8770]  ? gsmld_write+0x120/0x120
[  521.532096][ T8770]  ? __vt_event_wait+0x240/0x240
[  521.537125][ T8770]  ? ldsem_down_read+0xb4/0xe0
[  521.541994][ T8770]  ? gsmld_write+0x120/0x120
[  521.546679][ T8770]  tty_ioctl+0x98c/0xda0
[  521.551109][ T8770]  ? security_file_ioctl+0x81/0xa0
[  521.556236][ T8770]  ? tty_get_icount+0xb0/0xb0
[  521.560931][ T8770]  __se_sys_ioctl+0xf8/0x170
[  521.565706][ T8770]  do_syscall_64+0x41/0xc0
[  521.570214][ T8770]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  521.576931][ T8770] RIP: 0033:0x7f68b62c56e9
[  521.581431][ T8770] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  521.603059][ T8770] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  521.611835][ T8770] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  521.620158][ T8770] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  521.628905][ T8770] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  521.637214][ T8770] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  521.645548][ T8770] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  521.653774][ T8770]  </TASK>
[  521.659909][ T8769] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.674593][ T8770] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.909651][ T8773] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.919459][ T8773] CPU: 1 PID: 8773 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  521.929848][ T8773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  521.940233][ T8773] Call Trace:
[  521.943794][ T8773]  <TASK>
[  521.946754][ T8773]  dump_stack_lvl+0x1e7/0x2d0
[  521.951455][ T8773]  ? nf_tcp_handle_invalid+0x650/0x650
[  521.957030][ T8773]  ? panic+0x770/0x770
[  521.961448][ T8773]  sysfs_create_dir_ns+0x2ca/0x390
[  521.966596][ T8773]  ? sysfs_warn_dup+0xa0/0xa0
[  521.971306][ T8773]  kobject_add_internal+0x61d/0xc30
[  521.976548][ T8773]  kobject_add+0x152/0x210
[  521.981003][ T8773]  ? kobject_put+0x3e4/0x430
[  521.985711][ T8773]  ? kobject_init+0x1f0/0x1f0
[  521.990431][ T8773]  ? get_device_parent+0x25d/0x410
[  521.995836][ T8773]  ? device_add+0x30f/0xc90
[  522.000554][ T8773]  device_add+0x449/0xc90
[  522.005018][ T8773]  tty_register_device_attr+0x437/0x960
[  522.010871][ T8773]  ? tty_register_device+0x30/0x30
[  522.016121][ T8773]  ? gsm_dlci_alloc+0x354/0x6e0
[  522.021190][ T8773]  gsm_activate_mux+0xe9/0x290
[  522.026068][ T8773]  gsmld_ioctl+0x1858/0x25b0
[  522.030936][ T8773]  ? tomoyo_path_number_perm+0x663/0x840
[  522.036673][ T8773]  ? gsmld_write+0x120/0x120
[  522.041273][ T8773]  ? __vt_event_wait+0x240/0x240
[  522.046305][ T8773]  ? ldsem_down_read+0xb4/0xe0
[  522.051070][ T8773]  ? gsmld_write+0x120/0x120
[  522.055655][ T8773]  tty_ioctl+0x98c/0xda0
[  522.059894][ T8773]  ? security_file_ioctl+0x81/0xa0
[  522.065005][ T8773]  ? tty_get_icount+0xb0/0xb0
[  522.069686][ T8773]  __se_sys_ioctl+0xf8/0x170
[  522.074276][ T8773]  do_syscall_64+0x41/0xc0
[  522.078689][ T8773]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  522.084582][ T8773] RIP: 0033:0x7f68b62c56e9
[  522.090033][ T8773] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  522.109905][ T8773] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  522.118408][ T8773] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  522.126551][ T8773] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  522.134778][ T8773] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  522.142831][ T8773] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  522.150803][ T8773] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  522.158860][ T8773]  </TASK>
[  522.166457][ T8773] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.360030][ T8777] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.374729][ T8777] CPU: 1 PID: 8777 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  522.385024][ T8777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  522.395204][ T8777] Call Trace:
[  522.398541][ T8777]  <TASK>
[  522.401491][ T8777]  dump_stack_lvl+0x1e7/0x2d0
[  522.406549][ T8777]  ? nf_tcp_handle_invalid+0x650/0x650
[  522.412311][ T8777]  ? panic+0x770/0x770
[  522.416444][ T8777]  sysfs_create_dir_ns+0x2ca/0x390
[  522.421654][ T8777]  ? sysfs_warn_dup+0xa0/0xa0
[  522.426333][ T8777]  kobject_add_internal+0x61d/0xc30
[  522.431727][ T8777]  kobject_add+0x152/0x210
[  522.436326][ T8777]  ? kobject_put+0x3e4/0x430
[  522.440915][ T8777]  ? kobject_init+0x1f0/0x1f0
[  522.445588][ T8777]  ? get_device_parent+0x25d/0x410
[  522.450874][ T8777]  ? device_add+0x30f/0xc90
[  522.455545][ T8777]  device_add+0x449/0xc90
[  522.459886][ T8777]  tty_register_device_attr+0x437/0x960
[  522.465450][ T8777]  ? tty_register_device+0x30/0x30
[  522.470732][ T8777]  ? gsm_dlci_alloc+0x354/0x6e0
[  522.475581][ T8777]  gsm_activate_mux+0xe9/0x290
[  522.480428][ T8777]  gsmld_ioctl+0x1858/0x25b0
[  522.485123][ T8777]  ? tomoyo_path_number_perm+0x663/0x840
[  522.490979][ T8777]  ? gsmld_write+0x120/0x120
[  522.495835][ T8777]  ? __vt_event_wait+0x240/0x240
[  522.500813][ T8777]  ? ldsem_down_read+0xb4/0xe0
[  522.505589][ T8777]  ? gsmld_write+0x120/0x120
[  522.510194][ T8777]  tty_ioctl+0x98c/0xda0
[  522.514524][ T8777]  ? security_file_ioctl+0x81/0xa0
[  522.519640][ T8777]  ? tty_get_icount+0xb0/0xb0
[  522.524313][ T8777]  __se_sys_ioctl+0xf8/0x170
[  522.528922][ T8777]  do_syscall_64+0x41/0xc0
[  522.533557][ T8777]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  522.539735][ T8777] RIP: 0033:0x7f68b62c56e9
[  522.544157][ T8777] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  522.563764][ T8777] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  522.572175][ T8777] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  522.580171][ T8777] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  522.588236][ T8777] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  522.596292][ T8777] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  522.605398][ T8777] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  522.613457][ T8777]  </TASK>
[  522.619629][ T8778] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.628488][ T8778] CPU: 1 PID: 8778 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  522.639547][ T8778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  522.650214][ T8778] Call Trace:
[  522.653580][ T8778]  <TASK>
[  522.656604][ T8778]  dump_stack_lvl+0x1e7/0x2d0
[  522.661657][ T8778]  ? nf_tcp_handle_invalid+0x650/0x650
[  522.667400][ T8778]  ? panic+0x770/0x770
[  522.672260][ T8778]  sysfs_create_dir_ns+0x2ca/0x390
[  522.677824][ T8778]  ? sysfs_warn_dup+0xa0/0xa0
[  522.682691][ T8778]  kobject_add_internal+0x61d/0xc30
[  522.688324][ T8778]  kobject_add+0x152/0x210
[  522.692827][ T8778]  ? kobject_put+0x3e4/0x430
[  522.697415][ T8778]  ? kobject_init+0x1f0/0x1f0
[  522.702266][ T8778]  ? get_device_parent+0x25d/0x410
[  522.707469][ T8778]  ? device_add+0x30f/0xc90
[  522.713804][ T8778]  device_add+0x449/0xc90
[  522.718136][ T8778]  tty_register_device_attr+0x437/0x960
[  522.723857][ T8778]  ? tty_register_device+0x30/0x30
[  522.729080][ T8778]  ? gsm_dlci_alloc+0x354/0x6e0
[  522.733927][ T8778]  gsm_activate_mux+0xe9/0x290
[  522.738806][ T8778]  gsmld_ioctl+0x1858/0x25b0
[  522.743440][ T8778]  ? tomoyo_path_number_perm+0x663/0x840
[  522.749110][ T8778]  ? gsmld_write+0x120/0x120
[  522.754157][ T8778]  ? __vt_event_wait+0x240/0x240
[  522.760168][ T8778]  ? ldsem_down_read+0xb4/0xe0
[  522.765476][ T8778]  ? gsmld_write+0x120/0x120
[  522.770544][ T8778]  tty_ioctl+0x98c/0xda0
[  522.774904][ T8778]  ? security_file_ioctl+0x81/0xa0
[  522.780027][ T8778]  ? tty_get_icount+0xb0/0xb0
[  522.785016][ T8778]  __se_sys_ioctl+0xf8/0x170
[  522.789684][ T8778]  do_syscall_64+0x41/0xc0
[  522.794381][ T8778]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  522.800278][ T8778] RIP: 0033:0x7f68b62c56e9
[  522.804779][ T8778] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  522.825366][ T8778] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  522.834209][ T8778] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  522.842200][ T8778] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  522.850168][ T8778] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  522.858136][ T8778] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  522.866213][ T8778] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  522.874720][ T8778]  </TASK>
[  522.882672][ T8778] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.890878][ T8777] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.116358][ T8781] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.138525][ T8781] CPU: 0 PID: 8781 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  523.148835][ T8781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  523.158900][ T8781] Call Trace:
[  523.162177][ T8781]  <TASK>
[  523.165178][ T8781]  dump_stack_lvl+0x1e7/0x2d0
[  523.170046][ T8781]  ? nf_tcp_handle_invalid+0x650/0x650
[  523.175592][ T8781]  ? panic+0x770/0x770
[  523.179659][ T8781]  sysfs_create_dir_ns+0x2ca/0x390
[  523.184938][ T8781]  ? sysfs_warn_dup+0xa0/0xa0
[  523.189804][ T8781]  kobject_add_internal+0x61d/0xc30
[  523.195132][ T8781]  kobject_add+0x152/0x210
[  523.199761][ T8781]  ? kobject_put+0x3e4/0x430
[  523.204382][ T8781]  ? kobject_init+0x1f0/0x1f0
[  523.209194][ T8781]  ? get_device_parent+0x25d/0x410
[  523.214510][ T8781]  ? device_add+0x30f/0xc90
[  523.219051][ T8781]  device_add+0x449/0xc90
[  523.223414][ T8781]  tty_register_device_attr+0x437/0x960
[  523.229008][ T8781]  ? tty_register_device+0x30/0x30
[  523.234337][ T8781]  ? gsm_dlci_alloc+0x354/0x6e0
[  523.239389][ T8781]  gsm_activate_mux+0xe9/0x290
[  523.244250][ T8781]  gsmld_ioctl+0x1858/0x25b0
[  523.248861][ T8781]  ? tomoyo_path_number_perm+0x663/0x840
[  523.254874][ T8781]  ? gsmld_write+0x120/0x120
[  523.259486][ T8781]  ? __vt_event_wait+0x240/0x240
[  523.265159][ T8781]  ? ldsem_down_read+0xb4/0xe0
[  523.269953][ T8781]  ? gsmld_write+0x120/0x120
[  523.274651][ T8781]  tty_ioctl+0x98c/0xda0
[  523.278925][ T8781]  ? security_file_ioctl+0x81/0xa0
[  523.284237][ T8781]  ? tty_get_icount+0xb0/0xb0
[  523.289097][ T8781]  __se_sys_ioctl+0xf8/0x170
[  523.293790][ T8781]  do_syscall_64+0x41/0xc0
[  523.298392][ T8781]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  523.304461][ T8781] RIP: 0033:0x7f68b62c56e9
[  523.309044][ T8781] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  523.329344][ T8781] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  523.338712][ T8781] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  523.347992][ T8781] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  523.356675][ T8781] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  523.364653][ T8781] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  523.372623][ T8781] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  523.380595][ T8781]  </TASK>
[  523.397003][ T8782] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.405563][ T8782] CPU: 0 PID: 8782 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  523.415922][ T8782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  523.426027][ T8782] Call Trace:
[  523.429325][ T8782]  <TASK>
[  523.432622][ T8782]  dump_stack_lvl+0x1e7/0x2d0
[  523.437320][ T8782]  ? nf_tcp_handle_invalid+0x650/0x650
[  523.442781][ T8782]  ? panic+0x770/0x770
[  523.446852][ T8782]  sysfs_create_dir_ns+0x2ca/0x390
[  523.452146][ T8782]  ? sysfs_warn_dup+0xa0/0xa0
[  523.456915][ T8782]  kobject_add_internal+0x61d/0xc30
[  523.462117][ T8782]  kobject_add+0x152/0x210
[  523.466530][ T8782]  ? kobject_put+0x3e4/0x430
[  523.471200][ T8782]  ? kobject_init+0x1f0/0x1f0
[  523.475963][ T8782]  ? get_device_parent+0x25d/0x410
[  523.481073][ T8782]  ? device_add+0x30f/0xc90
[  523.485753][ T8782]  device_add+0x449/0xc90
[  523.490175][ T8782]  tty_register_device_attr+0x437/0x960
[  523.495724][ T8782]  ? tty_register_device+0x30/0x30
[  523.501183][ T8782]  ? gsm_dlci_alloc+0x354/0x6e0
[  523.506044][ T8782]  gsm_activate_mux+0xe9/0x290
[  523.510807][ T8782]  gsmld_ioctl+0x1858/0x25b0
[  523.515392][ T8782]  ? tomoyo_path_number_perm+0x663/0x840
[  523.521030][ T8782]  ? gsmld_write+0x120/0x120
[  523.525786][ T8782]  ? __vt_event_wait+0x240/0x240
[  523.530722][ T8782]  ? ldsem_down_read+0xb4/0xe0
[  523.535665][ T8782]  ? gsmld_write+0x120/0x120
[  523.540336][ T8782]  tty_ioctl+0x98c/0xda0
[  523.544664][ T8782]  ? security_file_ioctl+0x81/0xa0
[  523.549946][ T8782]  ? tty_get_icount+0xb0/0xb0
[  523.554710][ T8782]  __se_sys_ioctl+0xf8/0x170
[  523.559330][ T8782]  do_syscall_64+0x41/0xc0
[  523.563743][ T8782]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  523.569640][ T8782] RIP: 0033:0x7f68b62c56e9
[  523.574075][ T8782] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  523.593876][ T8782] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  523.602378][ T8782] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  523.610342][ T8782] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  523.618308][ T8782] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  523.626275][ T8782] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  523.634348][ T8782] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  523.642438][ T8782]  </TASK>
[  523.647240][ T8781] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.661717][ T8782] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.855579][ T8785] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.867857][ T8785] CPU: 0 PID: 8785 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  523.878153][ T8785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  523.888671][ T8785] Call Trace:
[  523.891978][ T8785]  <TASK>
[  523.894937][ T8785]  dump_stack_lvl+0x1e7/0x2d0
[  523.899652][ T8785]  ? nf_tcp_handle_invalid+0x650/0x650
[  523.905147][ T8785]  ? panic+0x770/0x770
[  523.909252][ T8785]  sysfs_create_dir_ns+0x2ca/0x390
[  523.914494][ T8785]  ? sysfs_warn_dup+0xa0/0xa0
[  523.919305][ T8785]  kobject_add_internal+0x61d/0xc30
[  523.924722][ T8785]  kobject_add+0x152/0x210
[  523.929449][ T8785]  ? kobject_put+0x3e4/0x430
[  523.934259][ T8785]  ? kobject_init+0x1f0/0x1f0
[  523.938975][ T8785]  ? get_device_parent+0x25d/0x410
[  523.945517][ T8785]  ? device_add+0x30f/0xc90
[  523.950246][ T8785]  device_add+0x449/0xc90
[  523.954717][ T8785]  tty_register_device_attr+0x437/0x960
[  523.960312][ T8785]  ? tty_register_device+0x30/0x30
[  523.965568][ T8785]  ? gsm_dlci_alloc+0x354/0x6e0
[  523.970728][ T8785]  gsm_activate_mux+0xe9/0x290
[  523.975627][ T8785]  gsmld_ioctl+0x1858/0x25b0
[  523.980600][ T8785]  ? tomoyo_path_number_perm+0x663/0x840
[  523.987041][ T8785]  ? gsmld_write+0x120/0x120
[  523.991764][ T8785]  ? __vt_event_wait+0x240/0x240
[  523.996757][ T8785]  ? ldsem_down_read+0xb4/0xe0
[  524.001572][ T8785]  ? gsmld_write+0x120/0x120
[  524.006199][ T8785]  tty_ioctl+0x98c/0xda0
[  524.010476][ T8785]  ? security_file_ioctl+0x81/0xa0
[  524.015707][ T8785]  ? tty_get_icount+0xb0/0xb0
[  524.020504][ T8785]  __se_sys_ioctl+0xf8/0x170
[  524.025134][ T8785]  do_syscall_64+0x41/0xc0
[  524.029671][ T8785]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  524.036215][ T8785] RIP: 0033:0x7f68b62c56e9
[  524.040751][ T8785] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  524.061337][ T8785] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  524.070011][ T8785] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  524.078328][ T8785] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  524.086296][ T8785] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  524.095755][ T8785] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  524.103734][ T8785] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  524.111803][ T8785]  </TASK>
[  524.116320][ T8785] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.282276][ T8788] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  524.303507][ T8788] CPU: 0 PID: 8788 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  524.313816][ T8788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  524.324029][ T8788] Call Trace:
[  524.327520][ T8788]  <TASK>
[  524.330739][ T8788]  dump_stack_lvl+0x1e7/0x2d0
[  524.335814][ T8788]  ? nf_tcp_handle_invalid+0x650/0x650
[  524.341657][ T8788]  ? panic+0x770/0x770
[  524.345950][ T8788]  sysfs_create_dir_ns+0x2ca/0x390
[  524.351115][ T8788]  ? sysfs_warn_dup+0xa0/0xa0
[  524.355911][ T8788]  kobject_add_internal+0x61d/0xc30
[  524.361175][ T8788]  kobject_add+0x152/0x210
[  524.365782][ T8788]  ? kobject_put+0x3e4/0x430
[  524.370641][ T8788]  ? kobject_init+0x1f0/0x1f0
[  524.375681][ T8788]  ? get_device_parent+0x25d/0x410
[  524.380914][ T8788]  ? device_add+0x30f/0xc90
[  524.387007][ T8788]  device_add+0x449/0xc90
[  524.391433][ T8788]  tty_register_device_attr+0x437/0x960
[  524.397083][ T8788]  ? tty_register_device+0x30/0x30
[  524.402210][ T8788]  ? gsm_dlci_alloc+0x354/0x6e0
[  524.407202][ T8788]  gsm_activate_mux+0xe9/0x290
[  524.411996][ T8788]  gsmld_ioctl+0x1858/0x25b0
[  524.416594][ T8788]  ? tomoyo_path_number_perm+0x663/0x840
[  524.422321][ T8788]  ? gsmld_write+0x120/0x120
[  524.426930][ T8788]  ? __vt_event_wait+0x240/0x240
[  524.432116][ T8788]  ? ldsem_down_read+0xb4/0xe0
[  524.436911][ T8788]  ? gsmld_write+0x120/0x120
[  524.441516][ T8788]  tty_ioctl+0x98c/0xda0
[  524.445765][ T8788]  ? security_file_ioctl+0x81/0xa0
[  524.450897][ T8788]  ? tty_get_icount+0xb0/0xb0
[  524.455616][ T8788]  __se_sys_ioctl+0xf8/0x170
[  524.460222][ T8788]  do_syscall_64+0x41/0xc0
[  524.464674][ T8788]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  524.471200][ T8788] RIP: 0033:0x7f68b62c56e9
[  524.476067][ T8788] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  524.496911][ T8788] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  524.505438][ T8788] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  524.513514][ T8788] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  524.521484][ T8788] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  524.529533][ T8788] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  524.537868][ T8788] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  524.545898][ T8788]  </TASK>
[  524.562566][ T8789] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  524.571131][ T8789] CPU: 0 PID: 8789 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  524.581829][ T8789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  524.592153][ T8789] Call Trace:
[  524.595457][ T8789]  <TASK>
[  524.598498][ T8789]  dump_stack_lvl+0x1e7/0x2d0
[  524.603315][ T8789]  ? nf_tcp_handle_invalid+0x650/0x650
[  524.609251][ T8789]  ? panic+0x770/0x770
[  524.613435][ T8789]  sysfs_create_dir_ns+0x2ca/0x390
[  524.618560][ T8789]  ? sysfs_warn_dup+0xa0/0xa0
[  524.623320][ T8789]  kobject_add_internal+0x61d/0xc30
[  524.628783][ T8789]  kobject_add+0x152/0x210
[  524.633286][ T8789]  ? kobject_put+0x3e4/0x430
[  524.637875][ T8789]  ? kobject_init+0x1f0/0x1f0
[  524.642726][ T8789]  ? get_device_parent+0x25d/0x410
[  524.647833][ T8789]  ? device_add+0x30f/0xc90
[  524.652333][ T8789]  device_add+0x449/0xc90
[  524.656656][ T8789]  tty_register_device_attr+0x437/0x960
[  524.662499][ T8789]  ? tty_register_device+0x30/0x30
[  524.667728][ T8789]  ? gsm_dlci_alloc+0x354/0x6e0
[  524.672578][ T8789]  gsm_activate_mux+0xe9/0x290
[  524.680038][ T8789]  gsmld_ioctl+0x1858/0x25b0
[  524.684624][ T8789]  ? tomoyo_path_number_perm+0x663/0x840
[  524.690259][ T8789]  ? gsmld_write+0x120/0x120
[  524.694840][ T8789]  ? __vt_event_wait+0x240/0x240
[  524.699777][ T8789]  ? ldsem_down_read+0xb4/0xe0
[  524.704538][ T8789]  ? gsmld_write+0x120/0x120
[  524.709188][ T8789]  tty_ioctl+0x98c/0xda0
[  524.713434][ T8789]  ? security_file_ioctl+0x81/0xa0
[  524.718534][ T8789]  ? tty_get_icount+0xb0/0xb0
[  524.723319][ T8789]  __se_sys_ioctl+0xf8/0x170
[  524.728052][ T8789]  do_syscall_64+0x41/0xc0
[  524.732493][ T8789]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  524.738459][ T8789] RIP: 0033:0x7f68b62c56e9
[  524.742963][ T8789] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  524.763450][ T8789] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  524.772212][ T8789] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  524.780528][ T8789] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  524.788673][ T8789] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  524.796642][ T8789] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  524.804697][ T8789] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  524.812667][ T8789]  </TASK>
[  524.816369][ T8788] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.823857][ T8789] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.023228][ T8792] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.037978][ T8792] CPU: 1 PID: 8792 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  525.048085][ T8792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  525.058159][ T8792] Call Trace:
[  525.061452][ T8792]  <TASK>
[  525.064397][ T8792]  dump_stack_lvl+0x1e7/0x2d0
[  525.069093][ T8792]  ? nf_tcp_handle_invalid+0x650/0x650
[  525.074728][ T8792]  ? panic+0x770/0x770
[  525.078796][ T8792]  sysfs_create_dir_ns+0x2ca/0x390
[  525.083901][ T8792]  ? sysfs_warn_dup+0xa0/0xa0
[  525.088840][ T8792]  kobject_add_internal+0x61d/0xc30
[  525.094044][ T8792]  kobject_add+0x152/0x210
[  525.098545][ T8792]  ? kobject_put+0x3e4/0x430
[  525.103158][ T8792]  ? kobject_init+0x1f0/0x1f0
[  525.107919][ T8792]  ? get_device_parent+0x25d/0x410
[  525.113139][ T8792]  ? device_add+0x30f/0xc90
[  525.117733][ T8792]  device_add+0x449/0xc90
[  525.122107][ T8792]  tty_register_device_attr+0x437/0x960
[  525.127665][ T8792]  ? tty_register_device+0x30/0x30
[  525.132774][ T8792]  ? gsm_dlci_alloc+0x354/0x6e0
[  525.137620][ T8792]  gsm_activate_mux+0xe9/0x290
[  525.142496][ T8792]  gsmld_ioctl+0x1858/0x25b0
[  525.147188][ T8792]  ? tomoyo_path_number_perm+0x663/0x840
[  525.153008][ T8792]  ? gsmld_write+0x120/0x120
[  525.157602][ T8792]  ? __vt_event_wait+0x240/0x240
[  525.162665][ T8792]  ? ldsem_down_read+0xb4/0xe0
[  525.167425][ T8792]  ? gsmld_write+0x120/0x120
[  525.172183][ T8792]  tty_ioctl+0x98c/0xda0
[  525.176427][ T8792]  ? security_file_ioctl+0x81/0xa0
[  525.182050][ T8792]  ? tty_get_icount+0xb0/0xb0
[  525.186934][ T8792]  __se_sys_ioctl+0xf8/0x170
[  525.191535][ T8792]  do_syscall_64+0x41/0xc0
[  525.196231][ T8792]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  525.202211][ T8792] RIP: 0033:0x7f68b62c56e9
[  525.206618][ T8792] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  525.226653][ T8792] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  525.235055][ T8792] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  525.243224][ T8792] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  525.251274][ T8792] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  525.259347][ T8792] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  525.267394][ T8792] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  525.275448][ T8792]  </TASK>
[  525.285431][ T8792] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.503692][ T8796] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.520251][ T8796] CPU: 1 PID: 8796 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  525.530712][ T8796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  525.540966][ T8796] Call Trace:
[  525.544347][ T8796]  <TASK>
[  525.547472][ T8796]  dump_stack_lvl+0x1e7/0x2d0
[  525.552257][ T8796]  ? nf_tcp_handle_invalid+0x650/0x650
[  525.557768][ T8796]  ? panic+0x770/0x770
[  525.561881][ T8796]  sysfs_create_dir_ns+0x2ca/0x390
[  525.567451][ T8796]  ? sysfs_warn_dup+0xa0/0xa0
[  525.572769][ T8796]  kobject_add_internal+0x61d/0xc30
[  525.578454][ T8796]  kobject_add+0x152/0x210
[  525.582987][ T8796]  ? kobject_put+0x3e4/0x430
[  525.587948][ T8796]  ? kobject_init+0x1f0/0x1f0
[  525.592742][ T8796]  ? get_device_parent+0x25d/0x410
[  525.598054][ T8796]  ? device_add+0x30f/0xc90
[  525.602581][ T8796]  device_add+0x449/0xc90
[  525.606936][ T8796]  tty_register_device_attr+0x437/0x960
[  525.612588][ T8796]  ? tty_register_device+0x30/0x30
[  525.617786][ T8796]  ? gsm_dlci_alloc+0x354/0x6e0
[  525.622721][ T8796]  gsm_activate_mux+0xe9/0x290
[  525.627482][ T8796]  gsmld_ioctl+0x1858/0x25b0
[  525.632164][ T8796]  ? tomoyo_path_number_perm+0x663/0x840
[  525.637972][ T8796]  ? gsmld_write+0x120/0x120
[  525.642642][ T8796]  ? __vt_event_wait+0x240/0x240
[  525.647578][ T8796]  ? ldsem_down_read+0xb4/0xe0
[  525.652337][ T8796]  ? gsmld_write+0x120/0x120
[  525.656926][ T8796]  tty_ioctl+0x98c/0xda0
[  525.661338][ T8796]  ? security_file_ioctl+0x81/0xa0
[  525.666444][ T8796]  ? tty_get_icount+0xb0/0xb0
[  525.671113][ T8796]  __se_sys_ioctl+0xf8/0x170
[  525.675801][ T8796]  do_syscall_64+0x41/0xc0
[  525.680216][ T8796]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  525.686728][ T8796] RIP: 0033:0x7f68b62c56e9
[  525.691168][ T8796] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  525.710866][ T8796] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  525.719375][ T8796] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  525.727354][ T8796] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  525.735325][ T8796] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  525.743458][ T8796] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  525.751622][ T8796] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  525.759688][ T8796]  </TASK>
[  525.788930][ T8796] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.966642][ T8800] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.987561][ T8800] CPU: 0 PID: 8800 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  525.998117][ T8800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  526.008282][ T8800] Call Trace:
[  526.011585][ T8800]  <TASK>
[  526.014532][ T8800]  dump_stack_lvl+0x1e7/0x2d0
[  526.019328][ T8800]  ? nf_tcp_handle_invalid+0x650/0x650
[  526.024986][ T8800]  ? panic+0x770/0x770
[  526.029357][ T8800]  sysfs_create_dir_ns+0x2ca/0x390
[  526.034501][ T8800]  ? sysfs_warn_dup+0xa0/0xa0
[  526.039209][ T8800]  kobject_add_internal+0x61d/0xc30
[  526.044522][ T8800]  kobject_add+0x152/0x210
[  526.048962][ T8800]  ? kobject_put+0x3e4/0x430
[  526.053575][ T8800]  ? kobject_init+0x1f0/0x1f0
[  526.058367][ T8800]  ? get_device_parent+0x25d/0x410
[  526.063509][ T8800]  ? device_add+0x30f/0xc90
[  526.068041][ T8800]  device_add+0x449/0xc90
[  526.072926][ T8800]  tty_register_device_attr+0x437/0x960
[  526.078628][ T8800]  ? tty_register_device+0x30/0x30
[  526.083791][ T8800]  ? gsm_dlci_alloc+0x354/0x6e0
[  526.088673][ T8800]  gsm_activate_mux+0xe9/0x290
[  526.093489][ T8800]  gsmld_ioctl+0x1858/0x25b0
[  526.098195][ T8800]  ? tomoyo_path_number_perm+0x663/0x840
[  526.103870][ T8800]  ? gsmld_write+0x120/0x120
[  526.108493][ T8800]  ? __vt_event_wait+0x240/0x240
[  526.113557][ T8800]  ? ldsem_down_read+0xb4/0xe0
[  526.118440][ T8800]  ? gsmld_write+0x120/0x120
[  526.123059][ T8800]  tty_ioctl+0x98c/0xda0
[  526.127419][ T8800]  ? security_file_ioctl+0x81/0xa0
[  526.132571][ T8800]  ? tty_get_icount+0xb0/0xb0
[  526.137247][ T8800]  __se_sys_ioctl+0xf8/0x170
[  526.141873][ T8800]  do_syscall_64+0x41/0xc0
[  526.146458][ T8800]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  526.152357][ T8800] RIP: 0033:0x7f68b62c56e9
[  526.156843][ T8800] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  526.176546][ T8800] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  526.185253][ T8800] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  526.193607][ T8800] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  526.201654][ T8800] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  526.209869][ T8800] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  526.217821][ T8800] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  526.225968][ T8800]  </TASK>
[  526.230848][ T8800] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.398742][ T8804] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  526.409261][ T8804] CPU: 0 PID: 8804 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  526.419366][ T8804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  526.429682][ T8804] Call Trace:
[  526.433241][ T8804]  <TASK>
[  526.436197][ T8804]  dump_stack_lvl+0x1e7/0x2d0
[  526.440997][ T8804]  ? nf_tcp_handle_invalid+0x650/0x650
[  526.446493][ T8804]  ? panic+0x770/0x770
[  526.450687][ T8804]  sysfs_create_dir_ns+0x2ca/0x390
[  526.455850][ T8804]  ? sysfs_warn_dup+0xa0/0xa0
[  526.460668][ T8804]  kobject_add_internal+0x61d/0xc30
[  526.465904][ T8804]  kobject_add+0x152/0x210
[  526.470351][ T8804]  ? kobject_put+0x3e4/0x430
[  526.474963][ T8804]  ? kobject_init+0x1f0/0x1f0
[  526.479646][ T8804]  ? get_device_parent+0x25d/0x410
[  526.484770][ T8804]  ? device_add+0x30f/0xc90
[  526.489292][ T8804]  device_add+0x449/0xc90
[  526.493621][ T8804]  tty_register_device_attr+0x437/0x960
[  526.499176][ T8804]  ? tty_register_device+0x30/0x30
[  526.504293][ T8804]  ? gsm_dlci_alloc+0x354/0x6e0
[  526.509313][ T8804]  gsm_activate_mux+0xe9/0x290
[  526.514071][ T8804]  gsmld_ioctl+0x1858/0x25b0
[  526.518654][ T8804]  ? tomoyo_path_number_perm+0x663/0x840
[  526.524379][ T8804]  ? gsmld_write+0x120/0x120
[  526.529228][ T8804]  ? __vt_event_wait+0x240/0x240
[  526.534254][ T8804]  ? ldsem_down_read+0xb4/0xe0
[  526.539026][ T8804]  ? gsmld_write+0x120/0x120
[  526.543607][ T8804]  tty_ioctl+0x98c/0xda0
[  526.548111][ T8804]  ? security_file_ioctl+0x81/0xa0
[  526.553476][ T8804]  ? tty_get_icount+0xb0/0xb0
[  526.558153][ T8804]  __se_sys_ioctl+0xf8/0x170
[  526.562744][ T8804]  do_syscall_64+0x41/0xc0
[  526.567177][ T8804]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  526.573071][ T8804] RIP: 0033:0x7f68b62c56e9
[  526.577478][ T8804] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  526.597596][ T8804] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  526.606187][ T8804] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  526.614157][ T8804] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  526.622202][ T8804] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  526.630164][ T8804] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  526.638135][ T8804] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  526.646301][ T8804]  </TASK>
[  526.667930][ T8804] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.873185][ T8807] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  526.894599][ T8807] CPU: 0 PID: 8807 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  526.905070][ T8807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  526.915149][ T8807] Call Trace:
[  526.918888][ T8807]  <TASK>
[  526.921937][ T8807]  dump_stack_lvl+0x1e7/0x2d0
[  526.926660][ T8807]  ? nf_tcp_handle_invalid+0x650/0x650
[  526.932239][ T8807]  ? panic+0x770/0x770
[  526.936340][ T8807]  sysfs_create_dir_ns+0x2ca/0x390
[  526.941480][ T8807]  ? sysfs_warn_dup+0xa0/0xa0
[  526.946536][ T8807]  kobject_add_internal+0x61d/0xc30
[  526.951776][ T8807]  kobject_add+0x152/0x210
[  526.956222][ T8807]  ? kobject_put+0x3e4/0x430
[  526.961174][ T8807]  ? kobject_init+0x1f0/0x1f0
[  526.965945][ T8807]  ? get_device_parent+0x25d/0x410
[  526.971142][ T8807]  ? device_add+0x30f/0xc90
[  526.975635][ T8807]  device_add+0x449/0xc90
[  526.980047][ T8807]  tty_register_device_attr+0x437/0x960
[  526.985680][ T8807]  ? tty_register_device+0x30/0x30
[  526.990792][ T8807]  ? gsm_dlci_alloc+0x354/0x6e0
[  526.995635][ T8807]  gsm_activate_mux+0xe9/0x290
[  527.000400][ T8807]  gsmld_ioctl+0x1858/0x25b0
[  527.004979][ T8807]  ? tomoyo_path_number_perm+0x663/0x840
[  527.010878][ T8807]  ? gsmld_write+0x120/0x120
[  527.015461][ T8807]  ? __vt_event_wait+0x240/0x240
[  527.020495][ T8807]  ? ldsem_down_read+0xb4/0xe0
[  527.025252][ T8807]  ? gsmld_write+0x120/0x120
[  527.029920][ T8807]  tty_ioctl+0x98c/0xda0
[  527.034276][ T8807]  ? security_file_ioctl+0x81/0xa0
[  527.039407][ T8807]  ? tty_get_icount+0xb0/0xb0
[  527.044092][ T8807]  __se_sys_ioctl+0xf8/0x170
[  527.048779][ T8807]  do_syscall_64+0x41/0xc0
[  527.053412][ T8807]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  527.059649][ T8807] RIP: 0033:0x7f68b62c56e9
[  527.064056][ T8807] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  527.084337][ T8807] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  527.092841][ T8807] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  527.100987][ T8807] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  527.109126][ T8807] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  527.117291][ T8807] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  527.125373][ T8807] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  527.133495][ T8807]  </TASK>
[  527.169276][ T8807] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.354645][ T8810] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  527.363796][ T8810] CPU: 1 PID: 8810 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  527.373897][ T8810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  527.384155][ T8810] Call Trace:
[  527.387454][ T8810]  <TASK>
[  527.390416][ T8810]  dump_stack_lvl+0x1e7/0x2d0
[  527.395130][ T8810]  ? nf_tcp_handle_invalid+0x650/0x650
[  527.401058][ T8810]  ? panic+0x770/0x770
[  527.405952][ T8810]  sysfs_create_dir_ns+0x2ca/0x390
[  527.411107][ T8810]  ? sysfs_warn_dup+0xa0/0xa0
[  527.415917][ T8810]  kobject_add_internal+0x61d/0xc30
[  527.421185][ T8810]  kobject_add+0x152/0x210
[  527.425652][ T8810]  ? kobject_put+0x3e4/0x430
[  527.430358][ T8810]  ? kobject_init+0x1f0/0x1f0
[  527.435251][ T8810]  ? get_device_parent+0x25d/0x410
[  527.440579][ T8810]  ? device_add+0x30f/0xc90
[  527.445212][ T8810]  device_add+0x449/0xc90
[  527.449582][ T8810]  tty_register_device_attr+0x437/0x960
[  527.455166][ T8810]  ? tty_register_device+0x30/0x30
[  527.460317][ T8810]  ? gsm_dlci_alloc+0x354/0x6e0
[  527.465204][ T8810]  gsm_activate_mux+0xe9/0x290
[  527.470004][ T8810]  gsmld_ioctl+0x1858/0x25b0
[  527.474627][ T8810]  ? tomoyo_path_number_perm+0x663/0x840
[  527.480481][ T8810]  ? gsmld_write+0x120/0x120
[  527.485107][ T8810]  ? __vt_event_wait+0x240/0x240
[  527.490087][ T8810]  ? ldsem_down_read+0xb4/0xe0
[  527.495061][ T8810]  ? gsmld_write+0x120/0x120
[  527.499701][ T8810]  tty_ioctl+0x98c/0xda0
[  527.503978][ T8810]  ? security_file_ioctl+0x81/0xa0
[  527.509206][ T8810]  ? tty_get_icount+0xb0/0xb0
[  527.513930][ T8810]  __se_sys_ioctl+0xf8/0x170
[  527.518641][ T8810]  do_syscall_64+0x41/0xc0
[  527.523094][ T8810]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  527.529017][ T8810] RIP: 0033:0x7f68b62c56e9
[  527.533451][ T8810] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  527.553070][ T8810] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  527.561741][ T8810] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  527.569882][ T8810] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  527.578028][ T8810] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  527.586003][ T8810] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  527.594064][ T8810] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  527.602291][ T8810]  </TASK>
[  527.606054][ T8810] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.777354][ T8814] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  527.792044][ T8814] CPU: 1 PID: 8814 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  527.802335][ T8814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  527.812425][ T8814] Call Trace:
[  527.815727][ T8814]  <TASK>
[  527.818685][ T8814]  dump_stack_lvl+0x1e7/0x2d0
[  527.823406][ T8814]  ? nf_tcp_handle_invalid+0x650/0x650
[  527.828896][ T8814]  ? panic+0x770/0x770
[  527.832995][ T8814]  sysfs_create_dir_ns+0x2ca/0x390
[  527.838147][ T8814]  ? sysfs_warn_dup+0xa0/0xa0
[  527.842880][ T8814]  kobject_add_internal+0x61d/0xc30
[  527.848113][ T8814]  kobject_add+0x152/0x210
[  527.852556][ T8814]  ? kobject_put+0x3e4/0x430
[  527.857211][ T8814]  ? kobject_init+0x1f0/0x1f0
[  527.861920][ T8814]  ? get_device_parent+0x25d/0x410
[  527.867151][ T8814]  ? device_add+0x30f/0xc90
[  527.871701][ T8814]  device_add+0x449/0xc90
[  527.876247][ T8814]  tty_register_device_attr+0x437/0x960
[  527.882010][ T8814]  ? tty_register_device+0x30/0x30
[  527.887260][ T8814]  ? gsm_dlci_alloc+0x354/0x6e0
[  527.892242][ T8814]  gsm_activate_mux+0xe9/0x290
[  527.897218][ T8814]  gsmld_ioctl+0x1858/0x25b0
[  527.901932][ T8814]  ? tomoyo_path_number_perm+0x663/0x840
[  527.907626][ T8814]  ? gsmld_write+0x120/0x120
[  527.912526][ T8814]  ? __vt_event_wait+0x240/0x240
[  527.917600][ T8814]  ? ldsem_down_read+0xb4/0xe0
[  527.922399][ T8814]  ? gsmld_write+0x120/0x120
[  527.927025][ T8814]  tty_ioctl+0x98c/0xda0
[  527.931309][ T8814]  ? security_file_ioctl+0x81/0xa0
[  527.936549][ T8814]  ? tty_get_icount+0xb0/0xb0
[  527.941543][ T8814]  __se_sys_ioctl+0xf8/0x170
[  527.946177][ T8814]  do_syscall_64+0x41/0xc0
[  527.950715][ T8814]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  527.956821][ T8814] RIP: 0033:0x7f68b62c56e9
[  527.961385][ T8814] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  527.981647][ T8814] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  527.990576][ T8814] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  527.998799][ T8814] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  528.007025][ T8814] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  528.015252][ T8814] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  528.023307][ T8814] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  528.031360][ T8814]  </TASK>
[  528.036121][ T8814] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.202142][ T8818] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.217026][ T8818] CPU: 1 PID: 8818 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  528.227227][ T8818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  528.237391][ T8818] Call Trace:
[  528.240774][ T8818]  <TASK>
[  528.243861][ T8818]  dump_stack_lvl+0x1e7/0x2d0
[  528.248618][ T8818]  ? nf_tcp_handle_invalid+0x650/0x650
[  528.254143][ T8818]  ? panic+0x770/0x770
[  528.258257][ T8818]  sysfs_create_dir_ns+0x2ca/0x390
[  528.263406][ T8818]  ? sysfs_warn_dup+0xa0/0xa0
[  528.268126][ T8818]  kobject_add_internal+0x61d/0xc30
[  528.273545][ T8818]  kobject_add+0x152/0x210
[  528.278004][ T8818]  ? kobject_put+0x3e4/0x430
[  528.282631][ T8818]  ? kobject_init+0x1f0/0x1f0
[  528.287428][ T8818]  ? get_device_parent+0x25d/0x410
[  528.292624][ T8818]  ? device_add+0x30f/0xc90
[  528.297339][ T8818]  device_add+0x449/0xc90
[  528.301705][ T8818]  tty_register_device_attr+0x437/0x960
[  528.307567][ T8818]  ? tty_register_device+0x30/0x30
[  528.312720][ T8818]  ? gsm_dlci_alloc+0x354/0x6e0
[  528.317793][ T8818]  gsm_activate_mux+0xe9/0x290
[  528.322589][ T8818]  gsmld_ioctl+0x1858/0x25b0
[  528.327301][ T8818]  ? tomoyo_path_number_perm+0x663/0x840
[  528.332985][ T8818]  ? gsmld_write+0x120/0x120
[  528.337618][ T8818]  ? __vt_event_wait+0x240/0x240
[  528.342595][ T8818]  ? ldsem_down_read+0xb4/0xe0
[  528.347415][ T8818]  ? gsmld_write+0x120/0x120
[  528.352212][ T8818]  tty_ioctl+0x98c/0xda0
[  528.356486][ T8818]  ? security_file_ioctl+0x81/0xa0
[  528.361622][ T8818]  ? tty_get_icount+0xb0/0xb0
[  528.366332][ T8818]  __se_sys_ioctl+0xf8/0x170
[  528.370964][ T8818]  do_syscall_64+0x41/0xc0
[  528.375580][ T8818]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  528.381597][ T8818] RIP: 0033:0x7f68b62c56e9
[  528.386118][ T8818] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  528.405922][ T8818] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  528.414729][ T8818] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  528.422719][ T8818] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  528.430750][ T8818] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  528.438841][ T8818] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  528.446810][ T8818] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  528.454867][ T8818]  </TASK>
[  528.458929][ T8818] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.633476][ T8821] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.648330][ T8821] CPU: 0 PID: 8821 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  528.658793][ T8821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  528.669219][ T8821] Call Trace:
[  528.672601][ T8821]  <TASK>
[  528.675543][ T8821]  dump_stack_lvl+0x1e7/0x2d0
[  528.680250][ T8821]  ? nf_tcp_handle_invalid+0x650/0x650
[  528.686001][ T8821]  ? panic+0x770/0x770
[  528.690207][ T8821]  sysfs_create_dir_ns+0x2ca/0x390
[  528.695353][ T8821]  ? sysfs_warn_dup+0xa0/0xa0
[  528.700587][ T8821]  kobject_add_internal+0x61d/0xc30
[  528.706004][ T8821]  kobject_add+0x152/0x210
[  528.710448][ T8821]  ? kobject_put+0x3e4/0x430
[  528.715158][ T8821]  ? kobject_init+0x1f0/0x1f0
[  528.720357][ T8821]  ? get_device_parent+0x25d/0x410
[  528.725733][ T8821]  ? device_add+0x30f/0xc90
[  528.730579][ T8821]  device_add+0x449/0xc90
[  528.735169][ T8821]  tty_register_device_attr+0x437/0x960
[  528.740894][ T8821]  ? tty_register_device+0x30/0x30
[  528.746355][ T8821]  ? gsm_dlci_alloc+0x354/0x6e0
[  528.751289][ T8821]  gsm_activate_mux+0xe9/0x290
[  528.756583][ T8821]  gsmld_ioctl+0x1858/0x25b0
[  528.762702][ T8821]  ? tomoyo_path_number_perm+0x663/0x840
[  528.768480][ T8821]  ? gsmld_write+0x120/0x120
[  528.773163][ T8821]  ? __vt_event_wait+0x240/0x240
[  528.778115][ T8821]  ? ldsem_down_read+0xb4/0xe0
[  528.782964][ T8821]  ? gsmld_write+0x120/0x120
[  528.787908][ T8821]  tty_ioctl+0x98c/0xda0
[  528.792345][ T8821]  ? security_file_ioctl+0x81/0xa0
[  528.797491][ T8821]  ? tty_get_icount+0xb0/0xb0
[  528.802314][ T8821]  __se_sys_ioctl+0xf8/0x170
[  528.807223][ T8821]  do_syscall_64+0x41/0xc0
[  528.811648][ T8821]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  528.818174][ T8821] RIP: 0033:0x7f68b62c56e9
[  528.822608][ T8821] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  528.843879][ T8821] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  528.853384][ T8821] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  528.861736][ T8821] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  528.871180][ T8821] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  528.879968][ T8821] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  528.888770][ T8821] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  528.897515][ T8821]  </TASK>
[  528.904412][ T8821] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.122577][ T8824] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  529.132259][ T8824] CPU: 0 PID: 8824 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  529.142652][ T8824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  529.153431][ T8824] Call Trace:
[  529.156736][ T8824]  <TASK>
[  529.159697][ T8824]  dump_stack_lvl+0x1e7/0x2d0
[  529.164837][ T8824]  ? nf_tcp_handle_invalid+0x650/0x650
[  529.170757][ T8824]  ? panic+0x770/0x770
[  529.175032][ T8824]  sysfs_create_dir_ns+0x2ca/0x390
[  529.180571][ T8824]  ? sysfs_warn_dup+0xa0/0xa0
[  529.187301][ T8824]  kobject_add_internal+0x61d/0xc30
[  529.193697][ T8824]  kobject_add+0x152/0x210
[  529.198430][ T8824]  ? kobject_put+0x3e4/0x430
[  529.203165][ T8824]  ? kobject_init+0x1f0/0x1f0
[  529.208261][ T8824]  ? get_device_parent+0x25d/0x410
[  529.214122][ T8824]  ? device_add+0x30f/0xc90
[  529.218945][ T8824]  device_add+0x449/0xc90
[  529.223426][ T8824]  tty_register_device_attr+0x437/0x960
[  529.229285][ T8824]  ? tty_register_device+0x30/0x30
[  529.234799][ T8824]  ? gsm_dlci_alloc+0x354/0x6e0
[  529.239880][ T8824]  gsm_activate_mux+0xe9/0x290
[  529.244870][ T8824]  gsmld_ioctl+0x1858/0x25b0
[  529.249595][ T8824]  ? tomoyo_path_number_perm+0x663/0x840
[  529.255543][ T8824]  ? gsmld_write+0x120/0x120
[  529.260264][ T8824]  ? __vt_event_wait+0x240/0x240
[  529.265600][ T8824]  ? ldsem_down_read+0xb4/0xe0
[  529.270762][ T8824]  ? gsmld_write+0x120/0x120
[  529.275502][ T8824]  tty_ioctl+0x98c/0xda0
[  529.280231][ T8824]  ? security_file_ioctl+0x81/0xa0
[  529.285469][ T8824]  ? tty_get_icount+0xb0/0xb0
[  529.290181][ T8824]  __se_sys_ioctl+0xf8/0x170
[  529.295109][ T8824]  do_syscall_64+0x41/0xc0
[  529.299690][ T8824]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  529.305899][ T8824] RIP: 0033:0x7f68b62c56e9
[  529.310440][ T8824] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  529.330681][ T8824] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  529.339084][ T8824] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  529.347386][ T8824] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  529.355687][ T8824] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  529.363760][ T8824] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  529.373143][ T8824] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  529.381365][ T8824]  </TASK>
[  529.385770][ T8824] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.568019][ T8827] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  529.579952][ T8827] CPU: 1 PID: 8827 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  529.590076][ T8827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  529.600538][ T8827] Call Trace:
[  529.604093][ T8827]  <TASK>
[  529.607228][ T8827]  dump_stack_lvl+0x1e7/0x2d0
[  529.612122][ T8827]  ? nf_tcp_handle_invalid+0x650/0x650
[  529.619135][ T8827]  ? panic+0x770/0x770
[  529.623767][ T8827]  sysfs_create_dir_ns+0x2ca/0x390
[  529.629804][ T8827]  ? sysfs_warn_dup+0xa0/0xa0
[  529.635350][ T8827]  kobject_add_internal+0x61d/0xc30
[  529.640845][ T8827]  kobject_add+0x152/0x210
[  529.645724][ T8827]  ? kobject_put+0x3e4/0x430
[  529.650487][ T8827]  ? kobject_init+0x1f0/0x1f0
[  529.655723][ T8827]  ? get_device_parent+0x25d/0x410
[  529.661125][ T8827]  ? device_add+0x30f/0xc90
[  529.665774][ T8827]  device_add+0x449/0xc90
[  529.670449][ T8827]  tty_register_device_attr+0x437/0x960
[  529.676215][ T8827]  ? tty_register_device+0x30/0x30
[  529.681855][ T8827]  ? gsm_dlci_alloc+0x354/0x6e0
[  529.686979][ T8827]  gsm_activate_mux+0xe9/0x290
[  529.691867][ T8827]  gsmld_ioctl+0x1858/0x25b0
[  529.696730][ T8827]  ? tomoyo_path_number_perm+0x663/0x840
[  529.702559][ T8827]  ? gsmld_write+0x120/0x120
[  529.707368][ T8827]  ? __vt_event_wait+0x240/0x240
[  529.712632][ T8827]  ? ldsem_down_read+0xb4/0xe0
[  529.717632][ T8827]  ? gsmld_write+0x120/0x120
[  529.722455][ T8827]  tty_ioctl+0x98c/0xda0
[  529.726705][ T8827]  ? security_file_ioctl+0x81/0xa0
[  529.731917][ T8827]  ? tty_get_icount+0xb0/0xb0
[  529.737246][ T8827]  __se_sys_ioctl+0xf8/0x170
[  529.741974][ T8827]  do_syscall_64+0x41/0xc0
[  529.746866][ T8827]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  529.752870][ T8827] RIP: 0033:0x7f68b62c56e9
[  529.757763][ T8827] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  529.780047][ T8827] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  529.789167][ T8827] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  529.797883][ T8827] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  529.806325][ T8827] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  529.814908][ T8827] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  529.823352][ T8827] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  529.833114][ T8827]  </TASK>
[  529.876367][ T8827] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.097034][ T8831] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.109898][ T8831] CPU: 0 PID: 8831 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  530.121069][ T8831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  530.131739][ T8831] Call Trace:
[  530.135319][ T8831]  <TASK>
[  530.138355][ T8831]  dump_stack_lvl+0x1e7/0x2d0
[  530.143250][ T8831]  ? nf_tcp_handle_invalid+0x650/0x650
[  530.148923][ T8831]  ? panic+0x770/0x770
[  530.153409][ T8831]  sysfs_create_dir_ns+0x2ca/0x390
[  530.159172][ T8831]  ? sysfs_warn_dup+0xa0/0xa0
[  530.164426][ T8831]  kobject_add_internal+0x61d/0xc30
[  530.169906][ T8831]  kobject_add+0x152/0x210
[  530.174967][ T8831]  ? kobject_put+0x3e4/0x430
[  530.180035][ T8831]  ? kobject_init+0x1f0/0x1f0
[  530.185023][ T8831]  ? get_device_parent+0x25d/0x410
[  530.192260][ T8831]  ? device_add+0x30f/0xc90
[  530.198196][ T8831]  device_add+0x449/0xc90
[  530.202816][ T8831]  tty_register_device_attr+0x437/0x960
[  530.208659][ T8831]  ? tty_register_device+0x30/0x30
[  530.213991][ T8831]  ? gsm_dlci_alloc+0x354/0x6e0
[  530.219041][ T8831]  gsm_activate_mux+0xe9/0x290
[  530.224155][ T8831]  gsmld_ioctl+0x1858/0x25b0
[  530.229109][ T8831]  ? tomoyo_path_number_perm+0x663/0x840
[  530.234985][ T8831]  ? gsmld_write+0x120/0x120
[  530.239791][ T8831]  ? __vt_event_wait+0x240/0x240
[  530.245448][ T8831]  ? ldsem_down_read+0xb4/0xe0
[  530.250311][ T8831]  ? gsmld_write+0x120/0x120
[  530.255206][ T8831]  tty_ioctl+0x98c/0xda0
[  530.259597][ T8831]  ? security_file_ioctl+0x81/0xa0
[  530.264927][ T8831]  ? tty_get_icount+0xb0/0xb0
[  530.269981][ T8831]  __se_sys_ioctl+0xf8/0x170
[  530.275434][ T8831]  do_syscall_64+0x41/0xc0
[  530.280093][ T8831]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  530.286588][ T8831] RIP: 0033:0x7f68b62c56e9
[  530.291270][ T8831] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  530.311613][ T8831] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  530.320355][ T8831] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  530.328556][ T8831] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  530.336634][ T8831] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  530.344726][ T8831] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  530.353167][ T8831] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  530.361648][ T8831]  </TASK>
[  530.365327][ T8832] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.374303][ T8832] CPU: 0 PID: 8832 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  530.381800][ T8831] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.385134][ T8832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  530.385147][ T8832] Call Trace:
[  530.385154][ T8832]  <TASK>
[  530.385171][ T8832]  dump_stack_lvl+0x1e7/0x2d0
[  530.425393][ T8832]  ? nf_tcp_handle_invalid+0x650/0x650
[  530.430882][ T8832]  ? panic+0x770/0x770
[  530.435594][ T8832]  sysfs_create_dir_ns+0x2ca/0x390
[  530.441126][ T8832]  ? sysfs_warn_dup+0xa0/0xa0
[  530.447751][ T8832]  kobject_add_internal+0x61d/0xc30
[  530.453250][ T8832]  kobject_add+0x152/0x210
[  530.457970][ T8832]  ? kobject_put+0x3e4/0x430
[  530.463294][ T8832]  ? kobject_init+0x1f0/0x1f0
[  530.469617][ T8832]  ? get_device_parent+0x25d/0x410
[  530.475229][ T8832]  ? device_add+0x30f/0xc90
[  530.480102][ T8832]  device_add+0x449/0xc90
[  530.485179][ T8832]  tty_register_device_attr+0x437/0x960
[  530.490959][ T8832]  ? tty_register_device+0x30/0x30
[  530.496624][ T8832]  ? gsm_dlci_alloc+0x354/0x6e0
[  530.501698][ T8832]  gsm_activate_mux+0xe9/0x290
[  530.506802][ T8832]  gsmld_ioctl+0x1858/0x25b0
[  530.512047][ T8832]  ? tomoyo_path_number_perm+0x663/0x840
[  530.518170][ T8832]  ? gsmld_write+0x120/0x120
[  530.523592][ T8832]  ? __vt_event_wait+0x240/0x240
[  530.528671][ T8832]  ? ldsem_down_read+0xb4/0xe0
[  530.533989][ T8832]  ? gsmld_write+0x120/0x120
[  530.539752][ T8832]  tty_ioctl+0x98c/0xda0
[  530.544316][ T8832]  ? security_file_ioctl+0x81/0xa0
[  530.549735][ T8832]  ? tty_get_icount+0xb0/0xb0
[  530.555648][ T8832]  __se_sys_ioctl+0xf8/0x170
[  530.560988][ T8832]  do_syscall_64+0x41/0xc0
[  530.565882][ T8832]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  530.572243][ T8832] RIP: 0033:0x7f68b62c56e9
[  530.578013][ T8832] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  530.599313][ T8832] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  530.608792][ T8832] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  530.617752][ T8832] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  530.626850][ T8832] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  530.636495][ T8832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  530.645652][ T8832] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  530.656576][ T8832]  </TASK>
[  530.679129][ T8832] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.877257][ T8835] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.890280][ T8835] CPU: 1 PID: 8835 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  530.901306][ T8835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  530.913669][ T8835] Call Trace:
[  530.917196][ T8835]  <TASK>
[  530.920774][ T8835]  dump_stack_lvl+0x1e7/0x2d0
[  530.925678][ T8835]  ? nf_tcp_handle_invalid+0x650/0x650
[  530.928375][ T8836] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.931616][ T8835]  ? panic+0x770/0x770
[  530.931665][ T8835]  sysfs_create_dir_ns+0x2ca/0x390
[  530.952773][ T8835]  ? sysfs_warn_dup+0xa0/0xa0
[  530.957594][ T8835]  kobject_add_internal+0x61d/0xc30
[  530.963112][ T8835]  kobject_add+0x152/0x210
[  530.967560][ T8835]  ? kobject_put+0x3e4/0x430
[  530.972428][ T8835]  ? kobject_init+0x1f0/0x1f0
[  530.977585][ T8835]  ? get_device_parent+0x25d/0x410
[  530.982800][ T8835]  ? device_add+0x30f/0xc90
[  530.987670][ T8835]  device_add+0x449/0xc90
[  530.992014][ T8835]  tty_register_device_attr+0x437/0x960
[  530.998421][ T8835]  ? tty_register_device+0x30/0x30
[  531.003943][ T8835]  ? gsm_dlci_alloc+0x354/0x6e0
[  531.009290][ T8835]  gsm_activate_mux+0xe9/0x290
[  531.014276][ T8835]  gsmld_ioctl+0x1858/0x25b0
[  531.019792][ T8835]  ? tomoyo_path_number_perm+0x663/0x840
[  531.026458][ T8835]  ? gsmld_write+0x120/0x120
[  531.031561][ T8835]  ? __vt_event_wait+0x240/0x240
[  531.037104][ T8835]  ? ldsem_down_read+0xb4/0xe0
[  531.043043][ T8835]  ? gsmld_write+0x120/0x120
[  531.047776][ T8835]  tty_ioctl+0x98c/0xda0
[  531.052106][ T8835]  ? security_file_ioctl+0x81/0xa0
[  531.057434][ T8835]  ? tty_get_icount+0xb0/0xb0
[  531.062172][ T8835]  __se_sys_ioctl+0xf8/0x170
[  531.066888][ T8835]  do_syscall_64+0x41/0xc0
[  531.071872][ T8835]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  531.078025][ T8835] RIP: 0033:0x7f68b62c56e9
[  531.083296][ T8835] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  531.108720][ T8835] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  531.117954][ T8835] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  531.126408][ T8835] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  531.134946][ T8835] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  531.143312][ T8835] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  531.152111][ T8835] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  531.160235][ T8835]  </TASK>
[  531.164970][ T8836] CPU: 0 PID: 8836 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  531.175786][ T8836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  531.187969][ T8836] Call Trace:
[  531.192146][ T8836]  <TASK>
[  531.195386][ T8836]  dump_stack_lvl+0x1e7/0x2d0
[  531.200459][ T8836]  ? nf_tcp_handle_invalid+0x650/0x650
[  531.206029][ T8836]  ? panic+0x770/0x770
[  531.210543][ T8836]  sysfs_create_dir_ns+0x2ca/0x390
[  531.215914][ T8836]  ? sysfs_warn_dup+0xa0/0xa0
[  531.223912][ T8836]  kobject_add_internal+0x61d/0xc30
[  531.229442][ T8836]  kobject_add+0x152/0x210
[  531.235115][ T8836]  ? kobject_put+0x3e4/0x430
[  531.240122][ T8836]  ? kobject_init+0x1f0/0x1f0
[  531.245079][ T8836]  ? get_device_parent+0x25d/0x410
[  531.250866][ T8836]  ? device_add+0x30f/0xc90
[  531.256234][ T8836]  device_add+0x449/0xc90
[  531.260653][ T8836]  tty_register_device_attr+0x437/0x960
[  531.266232][ T8836]  ? tty_register_device+0x30/0x30
[  531.271431][ T8836]  ? gsm_dlci_alloc+0x354/0x6e0
[  531.276364][ T8836]  gsm_activate_mux+0xe9/0x290
[  531.281211][ T8836]  gsmld_ioctl+0x1858/0x25b0
[  531.285980][ T8836]  ? tomoyo_path_number_perm+0x663/0x840
[  531.291627][ T8836]  ? gsmld_write+0x120/0x120
[  531.296388][ T8836]  ? __vt_event_wait+0x240/0x240
[  531.301509][ T8836]  ? ldsem_down_read+0xb4/0xe0
[  531.306273][ T8836]  ? gsmld_write+0x120/0x120
[  531.310876][ T8836]  tty_ioctl+0x98c/0xda0
[  531.315149][ T8836]  ? security_file_ioctl+0x81/0xa0
[  531.321122][ T8836]  ? tty_get_icount+0xb0/0xb0
[  531.326071][ T8836]  __se_sys_ioctl+0xf8/0x170
[  531.330664][ T8836]  do_syscall_64+0x41/0xc0
[  531.335075][ T8836]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  531.341309][ T8836] RIP: 0033:0x7f68b62c56e9
[  531.345899][ T8836] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  531.365757][ T8836] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  531.374172][ T8836] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  531.382321][ T8836] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  531.390297][ T8836] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  531.398702][ T8836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  531.406673][ T8836] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  531.414642][ T8836]  </TASK>
[  531.417889][ T8835] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.420234][ T8836] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.611508][ T8839] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  531.626105][ T8839] CPU: 0 PID: 8839 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  531.636751][ T8839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  531.646916][ T8839] Call Trace:
[  531.650219][ T8839]  <TASK>
[  531.653286][ T8839]  dump_stack_lvl+0x1e7/0x2d0
[  531.658124][ T8839]  ? nf_tcp_handle_invalid+0x650/0x650
[  531.663706][ T8839]  ? panic+0x770/0x770
[  531.667821][ T8839]  sysfs_create_dir_ns+0x2ca/0x390
[  531.673056][ T8839]  ? sysfs_warn_dup+0xa0/0xa0
[  531.677767][ T8839]  kobject_add_internal+0x61d/0xc30
[  531.683009][ T8839]  kobject_add+0x152/0x210
[  531.687628][ T8839]  ? kobject_put+0x3e4/0x430
[  531.692252][ T8839]  ? kobject_init+0x1f0/0x1f0
[  531.696960][ T8839]  ? get_device_parent+0x25d/0x410
[  531.702104][ T8839]  ? device_add+0x30f/0xc90
[  531.706824][ T8839]  device_add+0x449/0xc90
[  531.711276][ T8839]  tty_register_device_attr+0x437/0x960
[  531.716855][ T8839]  ? tty_register_device+0x30/0x30
[  531.721999][ T8839]  ? gsm_dlci_alloc+0x354/0x6e0
[  531.726976][ T8839]  gsm_activate_mux+0xe9/0x290
[  531.731844][ T8839]  gsmld_ioctl+0x1858/0x25b0
[  531.736464][ T8839]  ? tomoyo_path_number_perm+0x663/0x840
[  531.742334][ T8839]  ? gsmld_write+0x120/0x120
[  531.747060][ T8839]  ? __vt_event_wait+0x240/0x240
[  531.752042][ T8839]  ? ldsem_down_read+0xb4/0xe0
[  531.757463][ T8839]  ? gsmld_write+0x120/0x120
[  531.762464][ T8839]  tty_ioctl+0x98c/0xda0
[  531.766818][ T8839]  ? security_file_ioctl+0x81/0xa0
[  531.771976][ T8839]  ? tty_get_icount+0xb0/0xb0
[  531.776777][ T8839]  __se_sys_ioctl+0xf8/0x170
[  531.781489][ T8839]  do_syscall_64+0x41/0xc0
[  531.785941][ T8839]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  531.791860][ T8839] RIP: 0033:0x7f68b62c56e9
[  531.796775][ T8839] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  531.816565][ T8839] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  531.825075][ T8839] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  531.833051][ T8839] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  531.841027][ T8839] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  531.848983][ T8839] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  531.857034][ T8839] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  531.864994][ T8839]  </TASK>
[  531.871236][ T8839] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.040856][ T8842] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.058028][ T8842] CPU: 0 PID: 8842 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  532.068147][ T8842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  532.078395][ T8842] Call Trace:
[  532.081716][ T8842]  <TASK>
[  532.084753][ T8842]  dump_stack_lvl+0x1e7/0x2d0
[  532.089651][ T8842]  ? nf_tcp_handle_invalid+0x650/0x650
[  532.095324][ T8842]  ? panic+0x770/0x770
[  532.099428][ T8842]  sysfs_create_dir_ns+0x2ca/0x390
[  532.104577][ T8842]  ? sysfs_warn_dup+0xa0/0xa0
[  532.109385][ T8842]  kobject_add_internal+0x61d/0xc30
[  532.114625][ T8842]  kobject_add+0x152/0x210
[  532.119076][ T8842]  ? kobject_put+0x3e4/0x430
[  532.123764][ T8842]  ? kobject_init+0x1f0/0x1f0
[  532.128704][ T8842]  ? get_device_parent+0x25d/0x410
[  532.133897][ T8842]  ? device_add+0x30f/0xc90
[  532.138578][ T8842]  device_add+0x449/0xc90
[  532.144694][ T8842]  tty_register_device_attr+0x437/0x960
[  532.150366][ T8842]  ? tty_register_device+0x30/0x30
[  532.155581][ T8842]  ? gsm_dlci_alloc+0x354/0x6e0
[  532.160529][ T8842]  gsm_activate_mux+0xe9/0x290
[  532.165302][ T8842]  gsmld_ioctl+0x1858/0x25b0
[  532.169890][ T8842]  ? tomoyo_path_number_perm+0x663/0x840
[  532.175527][ T8842]  ? gsmld_write+0x120/0x120
[  532.180148][ T8842]  ? __vt_event_wait+0x240/0x240
[  532.185241][ T8842]  ? ldsem_down_read+0xb4/0xe0
[  532.190469][ T8842]  ? gsmld_write+0x120/0x120
[  532.195074][ T8842]  tty_ioctl+0x98c/0xda0
[  532.199405][ T8842]  ? security_file_ioctl+0x81/0xa0
[  532.204612][ T8842]  ? tty_get_icount+0xb0/0xb0
[  532.209284][ T8842]  __se_sys_ioctl+0xf8/0x170
[  532.213871][ T8842]  do_syscall_64+0x41/0xc0
[  532.218455][ T8842]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  532.224343][ T8842] RIP: 0033:0x7f68b62c56e9
[  532.228756][ T8842] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  532.248376][ T8842] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  532.256924][ T8842] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  532.265553][ T8842] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  532.273627][ T8842] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  532.281620][ T8842] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  532.289594][ T8842] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  532.297654][ T8842]  </TASK>
[  532.301445][ T8843] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.310241][ T8843] CPU: 0 PID: 8843 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  532.314524][ T8842] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.320424][ T8843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  532.320438][ T8843] Call Trace:
[  532.320445][ T8843]  <TASK>
[  532.320451][ T8843]  dump_stack_lvl+0x1e7/0x2d0
[  532.320479][ T8843]  ? nf_tcp_handle_invalid+0x650/0x650
[  532.320499][ T8843]  ? panic+0x770/0x770
[  532.320525][ T8843]  sysfs_create_dir_ns+0x2ca/0x390
[  532.320547][ T8843]  ? sysfs_warn_dup+0xa0/0xa0
[  532.320569][ T8843]  kobject_add_internal+0x61d/0xc30
[  532.320597][ T8843]  kobject_add+0x152/0x210
[  532.320620][ T8843]  ? kobject_put+0x3e4/0x430
[  532.320641][ T8843]  ? kobject_init+0x1f0/0x1f0
[  532.320664][ T8843]  ? get_device_parent+0x25d/0x410
[  532.400507][ T8843]  ? device_add+0x30f/0xc90
[  532.405226][ T8843]  device_add+0x449/0xc90
[  532.409590][ T8843]  tty_register_device_attr+0x437/0x960
[  532.415282][ T8843]  ? tty_register_device+0x30/0x30
[  532.420429][ T8843]  ? gsm_dlci_alloc+0x354/0x6e0
[  532.425310][ T8843]  gsm_activate_mux+0xe9/0x290
[  532.430246][ T8843]  gsmld_ioctl+0x1858/0x25b0
[  532.434829][ T8843]  ? tomoyo_path_number_perm+0x663/0x840
[  532.440550][ T8843]  ? gsmld_write+0x120/0x120
[  532.445310][ T8843]  ? __vt_event_wait+0x240/0x240
[  532.450246][ T8843]  ? ldsem_down_read+0xb4/0xe0
[  532.455093][ T8843]  ? gsmld_write+0x120/0x120
[  532.459675][ T8843]  tty_ioctl+0x98c/0xda0
[  532.464020][ T8843]  ? security_file_ioctl+0x81/0xa0
[  532.469671][ T8843]  ? tty_get_icount+0xb0/0xb0
[  532.474539][ T8843]  __se_sys_ioctl+0xf8/0x170
[  532.479675][ T8843]  do_syscall_64+0x41/0xc0
[  532.484482][ T8843]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  532.490475][ T8843] RIP: 0033:0x7f68b62c56e9
[  532.494889][ T8843] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  532.515392][ T8843] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  532.524245][ T8843] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  532.532238][ T8843] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  532.540401][ T8843] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  532.548480][ T8843] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  532.556641][ T8843] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  532.564638][ T8843]  </TASK>
[  532.572171][ T8843] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.744028][ T8846] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.757900][ T8846] CPU: 1 PID: 8846 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  532.768733][ T8846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  532.778892][ T8846] Call Trace:
[  532.782193][ T8846]  <TASK>
[  532.785142][ T8846]  dump_stack_lvl+0x1e7/0x2d0
[  532.789854][ T8846]  ? nf_tcp_handle_invalid+0x650/0x650
[  532.795342][ T8846]  ? panic+0x770/0x770
[  532.799443][ T8846]  sysfs_create_dir_ns+0x2ca/0x390
[  532.804671][ T8846]  ? sysfs_warn_dup+0xa0/0xa0
[  532.809384][ T8846]  kobject_add_internal+0x61d/0xc30
[  532.814706][ T8846]  kobject_add+0x152/0x210
[  532.819285][ T8846]  ? kobject_put+0x3e4/0x430
[  532.823913][ T8846]  ? kobject_init+0x1f0/0x1f0
[  532.828847][ T8846]  ? get_device_parent+0x25d/0x410
[  532.834089][ T8846]  ? device_add+0x30f/0xc90
[  532.838628][ T8846]  device_add+0x449/0xc90
[  532.843530][ T8846]  tty_register_device_attr+0x437/0x960
[  532.850273][ T8846]  ? tty_register_device+0x30/0x30
[  532.855438][ T8846]  ? gsm_dlci_alloc+0x354/0x6e0
[  532.860495][ T8846]  gsm_activate_mux+0xe9/0x290
[  532.865296][ T8846]  gsmld_ioctl+0x1858/0x25b0
[  532.870109][ T8846]  ? tomoyo_path_number_perm+0x663/0x840
[  532.875956][ T8846]  ? gsmld_write+0x120/0x120
[  532.880670][ T8846]  ? __vt_event_wait+0x240/0x240
[  532.885834][ T8846]  ? ldsem_down_read+0xb4/0xe0
[  532.890722][ T8846]  ? gsmld_write+0x120/0x120
[  532.895517][ T8846]  tty_ioctl+0x98c/0xda0
[  532.899792][ T8846]  ? security_file_ioctl+0x81/0xa0
[  532.905048][ T8846]  ? tty_get_icount+0xb0/0xb0
[  532.909859][ T8846]  __se_sys_ioctl+0xf8/0x170
[  532.914583][ T8846]  do_syscall_64+0x41/0xc0
[  532.919311][ T8846]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  532.925342][ T8846] RIP: 0033:0x7f68b62c56e9
[  532.929964][ T8846] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  532.949611][ T8846] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  532.958025][ T8846] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  532.966464][ T8846] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  532.975317][ T8846] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  532.983915][ T8846] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  532.992440][ T8846] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  533.000771][ T8846]  </TASK>
[  533.006374][ T8846] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.173219][ T8849] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  533.195442][ T8849] CPU: 0 PID: 8849 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  533.206256][ T8849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  533.216516][ T8849] Call Trace:
[  533.219900][ T8849]  <TASK>
[  533.222941][ T8849]  dump_stack_lvl+0x1e7/0x2d0
[  533.227830][ T8849]  ? nf_tcp_handle_invalid+0x650/0x650
[  533.233319][ T8849]  ? panic+0x770/0x770
[  533.237426][ T8849]  sysfs_create_dir_ns+0x2ca/0x390
[  533.242562][ T8849]  ? sysfs_warn_dup+0xa0/0xa0
[  533.247525][ T8849]  kobject_add_internal+0x61d/0xc30
[  533.252731][ T8849]  kobject_add+0x152/0x210
[  533.257320][ T8849]  ? kobject_put+0x3e4/0x430
[  533.261904][ T8849]  ? kobject_init+0x1f0/0x1f0
[  533.266580][ T8849]  ? get_device_parent+0x25d/0x410
[  533.271742][ T8849]  ? device_add+0x30f/0xc90
[  533.276251][ T8849]  device_add+0x449/0xc90
[  533.280753][ T8849]  tty_register_device_attr+0x437/0x960
[  533.286474][ T8849]  ? tty_register_device+0x30/0x30
[  533.291588][ T8849]  ? gsm_dlci_alloc+0x354/0x6e0
[  533.296706][ T8849]  gsm_activate_mux+0xe9/0x290
[  533.301472][ T8849]  gsmld_ioctl+0x1858/0x25b0
[  533.306141][ T8849]  ? tomoyo_path_number_perm+0x663/0x840
[  533.311950][ T8849]  ? gsmld_write+0x120/0x120
[  533.316630][ T8849]  ? __vt_event_wait+0x240/0x240
[  533.321573][ T8849]  ? ldsem_down_read+0xb4/0xe0
[  533.326362][ T8849]  ? gsmld_write+0x120/0x120
[  533.330941][ T8849]  tty_ioctl+0x98c/0xda0
[  533.335179][ T8849]  ? security_file_ioctl+0x81/0xa0
[  533.340460][ T8849]  ? tty_get_icount+0xb0/0xb0
[  533.345749][ T8849]  __se_sys_ioctl+0xf8/0x170
[  533.350553][ T8849]  do_syscall_64+0x41/0xc0
[  533.354965][ T8849]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  533.361204][ T8849] RIP: 0033:0x7f68b62c56e9
[  533.365713][ T8849] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  533.386441][ T8849] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  533.395534][ T8849] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  533.403508][ T8849] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  533.411476][ T8849] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  533.420053][ T8849] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  533.428282][ T8849] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  533.436338][ T8849]  </TASK>
[  533.450172][ T8850] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  533.462476][ T8849] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.480429][ T8850] CPU: 1 PID: 8850 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  533.491127][ T8850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  533.501416][ T8850] Call Trace:
[  533.504762][ T8850]  <TASK>
[  533.507709][ T8850]  dump_stack_lvl+0x1e7/0x2d0
[  533.512591][ T8850]  ? nf_tcp_handle_invalid+0x650/0x650
[  533.518069][ T8850]  ? panic+0x770/0x770
[  533.522223][ T8850]  sysfs_create_dir_ns+0x2ca/0x390
[  533.527420][ T8850]  ? sysfs_warn_dup+0xa0/0xa0
[  533.532186][ T8850]  kobject_add_internal+0x61d/0xc30
[  533.537472][ T8850]  kobject_add+0x152/0x210
[  533.542210][ T8850]  ? kobject_put+0x3e4/0x430
[  533.546795][ T8850]  ? kobject_init+0x1f0/0x1f0
[  533.551470][ T8850]  ? get_device_parent+0x25d/0x410
[  533.556591][ T8850]  ? device_add+0x30f/0xc90
[  533.561091][ T8850]  device_add+0x449/0xc90
[  533.565591][ T8850]  tty_register_device_attr+0x437/0x960
[  533.571779][ T8850]  ? tty_register_device+0x30/0x30
[  533.577004][ T8850]  ? gsm_dlci_alloc+0x354/0x6e0
[  533.581866][ T8850]  gsm_activate_mux+0xe9/0x290
[  533.586822][ T8850]  gsmld_ioctl+0x1858/0x25b0
[  533.591797][ T8850]  ? tomoyo_path_number_perm+0x663/0x840
[  533.597810][ T8850]  ? gsmld_write+0x120/0x120
[  533.602509][ T8850]  ? __vt_event_wait+0x240/0x240
[  533.607915][ T8850]  ? ldsem_down_read+0xb4/0xe0
[  533.613284][ T8850]  ? gsmld_write+0x120/0x120
[  533.618531][ T8850]  tty_ioctl+0x98c/0xda0
[  533.622810][ T8850]  ? security_file_ioctl+0x81/0xa0
[  533.628110][ T8850]  ? tty_get_icount+0xb0/0xb0
[  533.632799][ T8850]  __se_sys_ioctl+0xf8/0x170
[  533.637388][ T8850]  do_syscall_64+0x41/0xc0
[  533.642348][ T8850]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  533.648441][ T8850] RIP: 0033:0x7f68b62c56e9
[  533.652870][ T8850] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  533.674483][ T8850] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  533.683683][ T8850] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  533.692079][ T8850] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  533.700228][ T8850] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  533.708627][ T8850] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  533.716947][ T8850] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  533.724939][ T8850]  </TASK>
[  533.729096][ T8850] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.897072][ T8853] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  533.906972][ T8853] CPU: 1 PID: 8853 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  533.917079][ T8853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  533.927330][ T8853] Call Trace:
[  533.930637][ T8853]  <TASK>
[  533.933596][ T8853]  dump_stack_lvl+0x1e7/0x2d0
[  533.938305][ T8853]  ? nf_tcp_handle_invalid+0x650/0x650
[  533.943888][ T8853]  ? panic+0x770/0x770
[  533.948014][ T8853]  sysfs_create_dir_ns+0x2ca/0x390
[  533.953242][ T8853]  ? sysfs_warn_dup+0xa0/0xa0
[  533.958192][ T8853]  kobject_add_internal+0x61d/0xc30
[  533.963651][ T8853]  kobject_add+0x152/0x210
[  533.968083][ T8853]  ? kobject_put+0x3e4/0x430
[  533.972666][ T8853]  ? kobject_init+0x1f0/0x1f0
[  533.977339][ T8853]  ? get_device_parent+0x25d/0x410
[  533.982454][ T8853]  ? device_add+0x30f/0xc90
[  533.986950][ T8853]  device_add+0x449/0xc90
[  533.991365][ T8853]  tty_register_device_attr+0x437/0x960
[  533.996933][ T8853]  ? tty_register_device+0x30/0x30
[  534.002038][ T8853]  ? gsm_dlci_alloc+0x354/0x6e0
[  534.007119][ T8853]  gsm_activate_mux+0xe9/0x290
[  534.012050][ T8853]  gsmld_ioctl+0x1858/0x25b0
[  534.016715][ T8853]  ? tomoyo_path_number_perm+0x663/0x840
[  534.022434][ T8853]  ? gsmld_write+0x120/0x120
[  534.027107][ T8853]  ? __vt_event_wait+0x240/0x240
[  534.032044][ T8853]  ? ldsem_down_read+0xb4/0xe0
[  534.036817][ T8853]  ? gsmld_write+0x120/0x120
[  534.041398][ T8853]  tty_ioctl+0x98c/0xda0
[  534.045725][ T8853]  ? security_file_ioctl+0x81/0xa0
[  534.051179][ T8853]  ? tty_get_icount+0xb0/0xb0
[  534.056229][ T8853]  __se_sys_ioctl+0xf8/0x170
[  534.061430][ T8853]  do_syscall_64+0x41/0xc0
[  534.066198][ T8853]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  534.072531][ T8853] RIP: 0033:0x7f68b62c56e9
[  534.077202][ T8853] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  534.097152][ T8853] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  534.106083][ T8853] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  534.114306][ T8853] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  534.122617][ T8853] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  534.130762][ T8853] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  534.139247][ T8853] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  534.147300][ T8853]  </TASK>
[  534.165591][ T8853] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.185471][ T8854] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  534.208297][ T8854] CPU: 0 PID: 8854 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  534.218489][ T8854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  534.229173][ T8854] Call Trace:
[  534.232562][ T8854]  <TASK>
[  534.235684][ T8854]  dump_stack_lvl+0x1e7/0x2d0
[  534.240395][ T8854]  ? nf_tcp_handle_invalid+0x650/0x650
[  534.245895][ T8854]  ? panic+0x770/0x770
[  534.250207][ T8854]  sysfs_create_dir_ns+0x2ca/0x390
[  534.255357][ T8854]  ? sysfs_warn_dup+0xa0/0xa0
[  534.260167][ T8854]  kobject_add_internal+0x61d/0xc30
[  534.265572][ T8854]  kobject_add+0x152/0x210
[  534.269988][ T8854]  ? kobject_put+0x3e4/0x430
[  534.274566][ T8854]  ? kobject_init+0x1f0/0x1f0
[  534.279400][ T8854]  ? get_device_parent+0x25d/0x410
[  534.284496][ T8854]  ? device_add+0x30f/0xc90
[  534.288983][ T8854]  device_add+0x449/0xc90
[  534.293299][ T8854]  tty_register_device_attr+0x437/0x960
[  534.299012][ T8854]  ? tty_register_device+0x30/0x30
[  534.304136][ T8854]  ? gsm_dlci_alloc+0x354/0x6e0
[  534.309014][ T8854]  gsm_activate_mux+0xe9/0x290
[  534.314124][ T8854]  gsmld_ioctl+0x1858/0x25b0
[  534.318718][ T8854]  ? tomoyo_path_number_perm+0x663/0x840
[  534.324539][ T8854]  ? gsmld_write+0x120/0x120
[  534.329142][ T8854]  ? __vt_event_wait+0x240/0x240
[  534.334083][ T8854]  ? ldsem_down_read+0xb4/0xe0
[  534.338930][ T8854]  ? gsmld_write+0x120/0x120
[  534.343513][ T8854]  tty_ioctl+0x98c/0xda0
[  534.347836][ T8854]  ? security_file_ioctl+0x81/0xa0
[  534.353200][ T8854]  ? tty_get_icount+0xb0/0xb0
[  534.357881][ T8854]  __se_sys_ioctl+0xf8/0x170
[  534.362466][ T8854]  do_syscall_64+0x41/0xc0
[  534.366974][ T8854]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  534.372988][ T8854] RIP: 0033:0x7f68b62c56e9
[  534.377399][ T8854] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  534.397874][ T8854] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  534.406439][ T8854] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  534.415107][ T8854] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  534.423094][ T8854] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  534.431341][ T8854] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  534.439317][ T8854] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  534.447378][ T8854]  </TASK>
[  534.451481][ T8854] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.626311][ T8857] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  534.635199][ T8857] CPU: 1 PID: 8857 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  534.645293][ T8857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  534.655458][ T8857] Call Trace:
[  534.658761][ T8857]  <TASK>
[  534.661712][ T8857]  dump_stack_lvl+0x1e7/0x2d0
[  534.666510][ T8857]  ? nf_tcp_handle_invalid+0x650/0x650
[  534.672094][ T8857]  ? panic+0x770/0x770
[  534.676468][ T8857]  sysfs_create_dir_ns+0x2ca/0x390
[  534.681613][ T8857]  ? sysfs_warn_dup+0xa0/0xa0
[  534.686411][ T8857]  kobject_add_internal+0x61d/0xc30
[  534.692013][ T8857]  kobject_add+0x152/0x210
[  534.696985][ T8857]  ? kobject_put+0x3e4/0x430
[  534.701700][ T8857]  ? kobject_init+0x1f0/0x1f0
[  534.706698][ T8857]  ? get_device_parent+0x25d/0x410
[  534.712019][ T8857]  ? device_add+0x30f/0xc90
[  534.716671][ T8857]  device_add+0x449/0xc90
[  534.721042][ T8857]  tty_register_device_attr+0x437/0x960
[  534.726807][ T8857]  ? tty_register_device+0x30/0x30
[  534.732132][ T8857]  ? gsm_dlci_alloc+0x354/0x6e0
[  534.737017][ T8857]  gsm_activate_mux+0xe9/0x290
[  534.741905][ T8857]  gsmld_ioctl+0x1858/0x25b0
[  534.746523][ T8857]  ? tomoyo_path_number_perm+0x663/0x840
[  534.752202][ T8857]  ? gsmld_write+0x120/0x120
[  534.757084][ T8857]  ? __vt_event_wait+0x240/0x240
[  534.762073][ T8857]  ? ldsem_down_read+0xb4/0xe0
[  534.766887][ T8857]  ? gsmld_write+0x120/0x120
[  534.771601][ T8857]  tty_ioctl+0x98c/0xda0
[  534.776053][ T8857]  ? security_file_ioctl+0x81/0xa0
[  534.781201][ T8857]  ? tty_get_icount+0xb0/0xb0
[  534.785919][ T8857]  __se_sys_ioctl+0xf8/0x170
[  534.790540][ T8857]  do_syscall_64+0x41/0xc0
[  534.794994][ T8857]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  534.800966][ T8857] RIP: 0033:0x7f68b62c56e9
[  534.805388][ T8857] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  534.825347][ T8857] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  534.833772][ T8857] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  534.841836][ T8857] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  534.849979][ T8857] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  534.858028][ T8857] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  534.866006][ T8857] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  534.874300][ T8857]  </TASK>
[  534.878674][ T8857] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.048171][ T8860] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  535.060216][ T8860] CPU: 1 PID: 8860 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  535.070337][ T8860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  535.080682][ T8860] Call Trace:
[  535.083985][ T8860]  <TASK>
[  535.086935][ T8860]  dump_stack_lvl+0x1e7/0x2d0
[  535.091758][ T8860]  ? nf_tcp_handle_invalid+0x650/0x650
[  535.097262][ T8860]  ? panic+0x770/0x770
[  535.101633][ T8860]  sysfs_create_dir_ns+0x2ca/0x390
[  535.106800][ T8860]  ? sysfs_warn_dup+0xa0/0xa0
[  535.111517][ T8860]  kobject_add_internal+0x61d/0xc30
[  535.116943][ T8860]  kobject_add+0x152/0x210
[  535.121403][ T8860]  ? kobject_put+0x3e4/0x430
[  535.126044][ T8860]  ? kobject_init+0x1f0/0x1f0
[  535.130765][ T8860]  ? get_device_parent+0x25d/0x410
[  535.135912][ T8860]  ? device_add+0x30f/0xc90
[  535.140630][ T8860]  device_add+0x449/0xc90
[  535.145018][ T8860]  tty_register_device_attr+0x437/0x960
[  535.150698][ T8860]  ? tty_register_device+0x30/0x30
[  535.155853][ T8860]  ? gsm_dlci_alloc+0x354/0x6e0
[  535.160829][ T8860]  gsm_activate_mux+0xe9/0x290
[  535.165636][ T8860]  gsmld_ioctl+0x1858/0x25b0
[  535.170265][ T8860]  ? tomoyo_path_number_perm+0x663/0x840
[  535.176210][ T8860]  ? gsmld_write+0x120/0x120
[  535.181035][ T8860]  ? __vt_event_wait+0x240/0x240
[  535.186718][ T8860]  ? ldsem_down_read+0xb4/0xe0
[  535.192170][ T8860]  ? gsmld_write+0x120/0x120
[  535.196928][ T8860]  tty_ioctl+0x98c/0xda0
[  535.201558][ T8860]  ? security_file_ioctl+0x81/0xa0
[  535.207290][ T8860]  ? tty_get_icount+0xb0/0xb0
[  535.212362][ T8860]  __se_sys_ioctl+0xf8/0x170
[  535.216991][ T8860]  do_syscall_64+0x41/0xc0
[  535.221445][ T8860]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  535.227473][ T8860] RIP: 0033:0x7f68b62c56e9
[  535.232189][ T8860] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  535.252434][ T8860] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  535.261025][ T8860] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  535.269179][ T8860] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  535.277141][ T8860] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  535.285185][ T8860] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  535.293409][ T8860] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  535.301726][ T8860]  </TASK>
[  535.305715][ T8860] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.483443][ T8863] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  535.502578][ T8863] CPU: 0 PID: 8863 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  535.513074][ T8863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  535.523778][ T8863] Call Trace:
[  535.527265][ T8863]  <TASK>
[  535.530402][ T8863]  dump_stack_lvl+0x1e7/0x2d0
[  535.535382][ T8863]  ? nf_tcp_handle_invalid+0x650/0x650
[  535.540871][ T8863]  ? panic+0x770/0x770
[  535.545062][ T8863]  sysfs_create_dir_ns+0x2ca/0x390
[  535.550380][ T8863]  ? sysfs_warn_dup+0xa0/0xa0
[  535.555162][ T8863]  kobject_add_internal+0x61d/0xc30
[  535.560489][ T8863]  kobject_add+0x152/0x210
[  535.565210][ T8863]  ? kobject_put+0x3e4/0x430
[  535.569996][ T8863]  ? kobject_init+0x1f0/0x1f0
[  535.574864][ T8863]  ? get_device_parent+0x25d/0x410
[  535.580077][ T8863]  ? device_add+0x30f/0xc90
[  535.584900][ T8863]  device_add+0x449/0xc90
[  535.589501][ T8863]  tty_register_device_attr+0x437/0x960
[  535.595061][ T8863]  ? tty_register_device+0x30/0x30
[  535.600176][ T8863]  ? gsm_dlci_alloc+0x354/0x6e0
[  535.605055][ T8863]  gsm_activate_mux+0xe9/0x290
[  535.609930][ T8863]  gsmld_ioctl+0x1858/0x25b0
[  535.614787][ T8863]  ? tomoyo_path_number_perm+0x663/0x840
[  535.620517][ T8863]  ? gsmld_write+0x120/0x120
[  535.625201][ T8863]  ? __vt_event_wait+0x240/0x240
[  535.630311][ T8863]  ? ldsem_down_read+0xb4/0xe0
[  535.635516][ T8863]  ? gsmld_write+0x120/0x120
[  535.640346][ T8863]  tty_ioctl+0x98c/0xda0
[  535.644596][ T8863]  ? security_file_ioctl+0x81/0xa0
[  535.650831][ T8863]  ? tty_get_icount+0xb0/0xb0
[  535.655589][ T8863]  __se_sys_ioctl+0xf8/0x170
[  535.660170][ T8863]  do_syscall_64+0x41/0xc0
[  535.664579][ T8863]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  535.670556][ T8863] RIP: 0033:0x7f68b62c56e9
[  535.674963][ T8863] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  535.694999][ T8863] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  535.703505][ T8863] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  535.711468][ T8863] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  535.719958][ T8863] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  535.728097][ T8863] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  535.736056][ T8863] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  535.744109][ T8863]  </TASK>
[  535.762733][ T8864] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  535.774107][ T8864] CPU: 1 PID: 8864 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  535.784309][ T8864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  535.784585][ T8863] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.794361][ T8864] Call Trace:
[  535.794375][ T8864]  <TASK>
[  535.794382][ T8864]  dump_stack_lvl+0x1e7/0x2d0
[  535.794414][ T8864]  ? nf_tcp_handle_invalid+0x650/0x650
[  535.794431][ T8864]  ? panic+0x770/0x770
[  535.829620][ T8864]  sysfs_create_dir_ns+0x2ca/0x390
[  535.834753][ T8864]  ? sysfs_warn_dup+0xa0/0xa0
[  535.839432][ T8864]  kobject_add_internal+0x61d/0xc30
[  535.844896][ T8864]  kobject_add+0x152/0x210
[  535.849393][ T8864]  ? kobject_put+0x3e4/0x430
[  535.854130][ T8864]  ? kobject_init+0x1f0/0x1f0
[  535.858805][ T8864]  ? get_device_parent+0x25d/0x410
[  535.863957][ T8864]  ? device_add+0x30f/0xc90
[  535.868665][ T8864]  device_add+0x449/0xc90
[  535.873271][ T8864]  tty_register_device_attr+0x437/0x960
[  535.878824][ T8864]  ? tty_register_device+0x30/0x30
[  535.883934][ T8864]  ? gsm_dlci_alloc+0x354/0x6e0
[  535.888795][ T8864]  gsm_activate_mux+0xe9/0x290
[  535.893727][ T8864]  gsmld_ioctl+0x1858/0x25b0
[  535.898579][ T8864]  ? tomoyo_path_number_perm+0x663/0x840
[  535.904223][ T8864]  ? gsmld_write+0x120/0x120
[  535.908993][ T8864]  ? __vt_event_wait+0x240/0x240
[  535.914283][ T8864]  ? ldsem_down_read+0xb4/0xe0
[  535.919133][ T8864]  ? gsmld_write+0x120/0x120
[  535.923977][ T8864]  tty_ioctl+0x98c/0xda0
[  535.928229][ T8864]  ? security_file_ioctl+0x81/0xa0
[  535.933424][ T8864]  ? tty_get_icount+0xb0/0xb0
[  535.938441][ T8864]  __se_sys_ioctl+0xf8/0x170
[  535.943117][ T8864]  do_syscall_64+0x41/0xc0
[  535.947552][ T8864]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  535.953561][ T8864] RIP: 0033:0x7f68b62c56e9
[  535.958173][ T8864] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  535.977888][ T8864] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  535.986498][ T8864] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  535.994734][ T8864] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  536.003044][ T8864] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  536.011093][ T8864] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  536.019314][ T8864] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  536.027569][ T8864]  </TASK>
[  536.032501][ T8864] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.223202][ T8867] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.252518][ T8867] CPU: 1 PID: 8867 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  536.262724][ T8867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  536.272976][ T8867] Call Trace:
[  536.276895][ T8867]  <TASK>
[  536.279842][ T8867]  dump_stack_lvl+0x1e7/0x2d0
[  536.284818][ T8867]  ? nf_tcp_handle_invalid+0x650/0x650
[  536.290331][ T8867]  ? panic+0x770/0x770
[  536.294442][ T8867]  sysfs_create_dir_ns+0x2ca/0x390
[  536.299674][ T8867]  ? sysfs_warn_dup+0xa0/0xa0
[  536.304379][ T8867]  kobject_add_internal+0x61d/0xc30
[  536.309707][ T8867]  kobject_add+0x152/0x210
[  536.314155][ T8867]  ? kobject_put+0x3e4/0x430
[  536.318860][ T8867]  ? kobject_init+0x1f0/0x1f0
[  536.323579][ T8867]  ? get_device_parent+0x25d/0x410
[  536.328810][ T8867]  ? device_add+0x30f/0xc90
[  536.333613][ T8867]  device_add+0x449/0xc90
[  536.337978][ T8867]  tty_register_device_attr+0x437/0x960
[  536.343561][ T8867]  ? tty_register_device+0x30/0x30
[  536.348706][ T8867]  ? gsm_dlci_alloc+0x354/0x6e0
[  536.353849][ T8867]  gsm_activate_mux+0xe9/0x290
[  536.358731][ T8867]  gsmld_ioctl+0x1858/0x25b0
[  536.363324][ T8867]  ? tomoyo_path_number_perm+0x663/0x840
[  536.369051][ T8867]  ? gsmld_write+0x120/0x120
[  536.373821][ T8867]  ? __vt_event_wait+0x240/0x240
[  536.378772][ T8867]  ? ldsem_down_read+0xb4/0xe0
[  536.383534][ T8867]  ? gsmld_write+0x120/0x120
[  536.388202][ T8867]  tty_ioctl+0x98c/0xda0
[  536.392436][ T8867]  ? security_file_ioctl+0x81/0xa0
[  536.398154][ T8867]  ? tty_get_icount+0xb0/0xb0
[  536.402824][ T8867]  __se_sys_ioctl+0xf8/0x170
[  536.407580][ T8867]  do_syscall_64+0x41/0xc0
[  536.412003][ T8867]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  536.417891][ T8867] RIP: 0033:0x7f68b62c56e9
[  536.422298][ T8867] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  536.441922][ T8867] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  536.450347][ T8867] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  536.458313][ T8867] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  536.466360][ T8867] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  536.474501][ T8867] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  536.482731][ T8867] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  536.490740][ T8867]  </TASK>
[  536.504795][ T8867] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.679822][ T8870] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.692489][ T8870] CPU: 1 PID: 8870 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  536.702688][ T8870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  536.713129][ T8870] Call Trace:
[  536.716513][ T8870]  <TASK>
[  536.719458][ T8870]  dump_stack_lvl+0x1e7/0x2d0
[  536.724263][ T8870]  ? nf_tcp_handle_invalid+0x650/0x650
[  536.729750][ T8870]  ? panic+0x770/0x770
[  536.733859][ T8870]  sysfs_create_dir_ns+0x2ca/0x390
[  536.739005][ T8870]  ? sysfs_warn_dup+0xa0/0xa0
[  536.743723][ T8870]  kobject_add_internal+0x61d/0xc30
[  536.748968][ T8870]  kobject_add+0x152/0x210
[  536.753426][ T8870]  ? kobject_put+0x3e4/0x430
[  536.758409][ T8870]  ? kobject_init+0x1f0/0x1f0
[  536.763299][ T8870]  ? get_device_parent+0x25d/0x410
[  536.768447][ T8870]  ? device_add+0x30f/0xc90
[  536.772990][ T8870]  device_add+0x449/0xc90
[  536.777438][ T8870]  tty_register_device_attr+0x437/0x960
[  536.783109][ T8870]  ? tty_register_device+0x30/0x30
[  536.788334][ T8870]  ? gsm_dlci_alloc+0x354/0x6e0
[  536.793214][ T8870]  gsm_activate_mux+0xe9/0x290
[  536.798009][ T8870]  gsmld_ioctl+0x1858/0x25b0
[  536.802629][ T8870]  ? tomoyo_path_number_perm+0x663/0x840
[  536.808395][ T8870]  ? gsmld_write+0x120/0x120
[  536.813031][ T8870]  ? __vt_event_wait+0x240/0x240
[  536.818102][ T8870]  ? ldsem_down_read+0xb4/0xe0
[  536.822904][ T8870]  ? gsmld_write+0x120/0x120
[  536.827614][ T8870]  tty_ioctl+0x98c/0xda0
[  536.831979][ T8870]  ? security_file_ioctl+0x81/0xa0
[  536.837200][ T8870]  ? tty_get_icount+0xb0/0xb0
[  536.841997][ T8870]  __se_sys_ioctl+0xf8/0x170
[  536.846627][ T8870]  do_syscall_64+0x41/0xc0
[  536.851070][ T8870]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  536.857083][ T8870] RIP: 0033:0x7f68b62c56e9
[  536.861856][ T8870] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  536.881463][ T8870] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  536.890587][ T8870] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  536.898634][ T8870] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  536.906776][ T8870] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  536.914912][ T8870] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  536.923305][ T8870] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  536.931546][ T8870]  </TASK>
[  536.936942][ T8870] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.105414][ T8874] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  537.125193][ T8874] CPU: 1 PID: 8874 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  537.135314][ T8874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  537.145629][ T8874] Call Trace:
[  537.149021][ T8874]  <TASK>
[  537.152061][ T8874]  dump_stack_lvl+0x1e7/0x2d0
[  537.156775][ T8874]  ? nf_tcp_handle_invalid+0x650/0x650
[  537.162280][ T8874]  ? panic+0x770/0x770
[  537.162716][ T8875] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  537.166372][ T8874]  sysfs_create_dir_ns+0x2ca/0x390
[  537.166398][ T8874]  ? sysfs_warn_dup+0xa0/0xa0
[  537.166419][ T8874]  kobject_add_internal+0x61d/0xc30
[  537.166445][ T8874]  kobject_add+0x152/0x210
[  537.166466][ T8874]  ? kobject_put+0x3e4/0x430
[  537.199610][ T8874]  ? kobject_init+0x1f0/0x1f0
[  537.204308][ T8874]  ? get_device_parent+0x25d/0x410
[  537.209873][ T8874]  ? device_add+0x30f/0xc90
[  537.214993][ T8874]  device_add+0x449/0xc90
[  537.219363][ T8874]  tty_register_device_attr+0x437/0x960
[  537.224926][ T8874]  ? tty_register_device+0x30/0x30
[  537.230053][ T8874]  ? gsm_dlci_alloc+0x354/0x6e0
[  537.234979][ T8874]  gsm_activate_mux+0xe9/0x290
[  537.239753][ T8874]  gsmld_ioctl+0x1858/0x25b0
[  537.244525][ T8874]  ? tomoyo_path_number_perm+0x663/0x840
[  537.250369][ T8874]  ? gsmld_write+0x120/0x120
[  537.254962][ T8874]  ? __vt_event_wait+0x240/0x240
[  537.260282][ T8874]  ? ldsem_down_read+0xb4/0xe0
[  537.266555][ T8874]  ? gsmld_write+0x120/0x120
[  537.271238][ T8874]  tty_ioctl+0x98c/0xda0
[  537.275704][ T8874]  ? security_file_ioctl+0x81/0xa0
[  537.280906][ T8874]  ? tty_get_icount+0xb0/0xb0
[  537.285594][ T8874]  __se_sys_ioctl+0xf8/0x170
[  537.290187][ T8874]  do_syscall_64+0x41/0xc0
[  537.294611][ T8874]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  537.300509][ T8874] RIP: 0033:0x7f68b62c56e9
[  537.304926][ T8874] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  537.325492][ T8874] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  537.334018][ T8874] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  537.342279][ T8874] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  537.350345][ T8874] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  537.358318][ T8874] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  537.366465][ T8874] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  537.374445][ T8874]  </TASK>
[  537.377462][ T8875] CPU: 0 PID: 8875 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  537.387544][ T8875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  537.398066][ T8875] Call Trace:
[  537.401524][ T8875]  <TASK>
[  537.404459][ T8875]  dump_stack_lvl+0x1e7/0x2d0
[  537.409145][ T8875]  ? nf_tcp_handle_invalid+0x650/0x650
[  537.414605][ T8875]  ? panic+0x770/0x770
[  537.418764][ T8875]  sysfs_create_dir_ns+0x2ca/0x390
[  537.423874][ T8875]  ? sysfs_warn_dup+0xa0/0xa0
[  537.428544][ T8875]  kobject_add_internal+0x61d/0xc30
[  537.434243][ T8875]  kobject_add+0x152/0x210
[  537.438767][ T8875]  ? kobject_put+0x3e4/0x430
[  537.443356][ T8875]  ? kobject_init+0x1f0/0x1f0
[  537.448028][ T8875]  ? get_device_parent+0x25d/0x410
[  537.453222][ T8875]  ? device_add+0x30f/0xc90
[  537.457807][ T8875]  device_add+0x449/0xc90
[  537.462133][ T8875]  tty_register_device_attr+0x437/0x960
[  537.467683][ T8875]  ? tty_register_device+0x30/0x30
[  537.472816][ T8875]  ? gsm_dlci_alloc+0x354/0x6e0
[  537.477951][ T8875]  gsm_activate_mux+0xe9/0x290
[  537.482729][ T8875]  gsmld_ioctl+0x1858/0x25b0
[  537.487342][ T8875]  ? tomoyo_path_number_perm+0x663/0x840
[  537.493008][ T8875]  ? gsmld_write+0x120/0x120
[  537.498419][ T8875]  ? __vt_event_wait+0x240/0x240
[  537.503386][ T8875]  ? ldsem_down_read+0xb4/0xe0
[  537.508166][ T8875]  ? gsmld_write+0x120/0x120
[  537.512766][ T8875]  tty_ioctl+0x98c/0xda0
[  537.517123][ T8875]  ? security_file_ioctl+0x81/0xa0
[  537.522229][ T8875]  ? tty_get_icount+0xb0/0xb0
[  537.526984][ T8875]  __se_sys_ioctl+0xf8/0x170
[  537.531569][ T8875]  do_syscall_64+0x41/0xc0
[  537.535980][ T8875]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  537.541868][ T8875] RIP: 0033:0x7f68b62c56e9
[  537.546271][ T8875] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  537.566137][ T8875] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  537.574574][ T8875] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  537.582902][ T8875] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  537.591077][ T8875] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  537.600876][ T8875] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  537.608931][ T8875] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  537.616992][ T8875]  </TASK>
[  537.620353][ T8875] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.627118][ T8874] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.845878][ T8878] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  537.854631][ T8878] CPU: 1 PID: 8878 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  537.865436][ T8878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  537.875688][ T8878] Call Trace:
[  537.879163][ T8878]  <TASK>
[  537.882194][ T8878]  dump_stack_lvl+0x1e7/0x2d0
[  537.886912][ T8878]  ? nf_tcp_handle_invalid+0x650/0x650
[  537.892501][ T8878]  ? panic+0x770/0x770
[  537.896790][ T8878]  sysfs_create_dir_ns+0x2ca/0x390
[  537.902027][ T8878]  ? sysfs_warn_dup+0xa0/0xa0
[  537.906735][ T8878]  kobject_add_internal+0x61d/0xc30
[  537.912066][ T8878]  kobject_add+0x152/0x210
[  537.916612][ T8878]  ? kobject_put+0x3e4/0x430
[  537.921507][ T8878]  ? kobject_init+0x1f0/0x1f0
[  537.926234][ T8878]  ? get_device_parent+0x25d/0x410
[  537.931396][ T8878]  ? device_add+0x30f/0xc90
[  537.936129][ T8878]  device_add+0x449/0xc90
[  537.940505][ T8878]  tty_register_device_attr+0x437/0x960
[  537.946182][ T8878]  ? tty_register_device+0x30/0x30
[  537.951770][ T8878]  ? gsm_dlci_alloc+0x354/0x6e0
[  537.956860][ T8878]  gsm_activate_mux+0xe9/0x290
[  537.961838][ T8878]  gsmld_ioctl+0x1858/0x25b0
[  537.967090][ T8878]  ? tomoyo_path_number_perm+0x663/0x840
[  537.974173][ T8878]  ? gsmld_write+0x120/0x120
[  537.979190][ T8878]  ? __vt_event_wait+0x240/0x240
[  537.984881][ T8878]  ? ldsem_down_read+0xb4/0xe0
[  537.990393][ T8878]  ? gsmld_write+0x120/0x120
[  537.995107][ T8878]  tty_ioctl+0x98c/0xda0
[  537.999562][ T8878]  ? security_file_ioctl+0x81/0xa0
[  538.004721][ T8878]  ? tty_get_icount+0xb0/0xb0
[  538.009437][ T8878]  __se_sys_ioctl+0xf8/0x170
[  538.014157][ T8878]  do_syscall_64+0x41/0xc0
[  538.018693][ T8878]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  538.024702][ T8878] RIP: 0033:0x7f68b62c56e9
[  538.029290][ T8878] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  538.049070][ T8878] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  538.057472][ T8878] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  538.065430][ T8878] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  538.073665][ T8878] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  538.081719][ T8878] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  538.089768][ T8878] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  538.097865][ T8878]  </TASK>
[  538.102451][ T8878] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.265253][ T8881] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  538.290964][ T8881] CPU: 1 PID: 8881 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  538.301163][ T8881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  538.311327][ T8881] Call Trace:
[  538.314627][ T8881]  <TASK>
[  538.317660][ T8881]  dump_stack_lvl+0x1e7/0x2d0
[  538.322360][ T8881]  ? nf_tcp_handle_invalid+0x650/0x650
[  538.327936][ T8881]  ? panic+0x770/0x770
[  538.332034][ T8881]  sysfs_create_dir_ns+0x2ca/0x390
[  538.337171][ T8881]  ? sysfs_warn_dup+0xa0/0xa0
[  538.341978][ T8881]  kobject_add_internal+0x61d/0xc30
[  538.347417][ T8881]  kobject_add+0x152/0x210
[  538.351948][ T8881]  ? kobject_put+0x3e4/0x430
[  538.356569][ T8881]  ? kobject_init+0x1f0/0x1f0
[  538.361286][ T8881]  ? get_device_parent+0x25d/0x410
[  538.366431][ T8881]  ? device_add+0x30f/0xc90
[  538.370955][ T8881]  device_add+0x449/0xc90
[  538.375308][ T8881]  tty_register_device_attr+0x437/0x960
[  538.381060][ T8881]  ? tty_register_device+0x30/0x30
[  538.386203][ T8881]  ? gsm_dlci_alloc+0x354/0x6e0
[  538.391255][ T8881]  gsm_activate_mux+0xe9/0x290
[  538.396045][ T8881]  gsmld_ioctl+0x1858/0x25b0
[  538.400658][ T8881]  ? tomoyo_path_number_perm+0x663/0x840
[  538.406335][ T8881]  ? gsmld_write+0x120/0x120
[  538.411048][ T8881]  ? __vt_event_wait+0x240/0x240
[  538.416107][ T8881]  ? ldsem_down_read+0xb4/0xe0
[  538.420907][ T8881]  ? gsmld_write+0x120/0x120
[  538.425530][ T8881]  tty_ioctl+0x98c/0xda0
[  538.429810][ T8881]  ? security_file_ioctl+0x81/0xa0
[  538.434952][ T8881]  ? tty_get_icount+0xb0/0xb0
[  538.439650][ T8881]  __se_sys_ioctl+0xf8/0x170
[  538.444413][ T8881]  do_syscall_64+0x41/0xc0
[  538.448837][ T8881]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  538.454758][ T8881] RIP: 0033:0x7f68b62c56e9
[  538.459250][ T8881] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  538.479021][ T8881] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  538.487430][ T8881] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  538.495390][ T8881] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  538.503443][ T8881] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  538.511408][ T8881] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  538.519630][ T8881] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  538.527786][ T8881]  </TASK>
[  538.531900][ T8881] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.708085][ T8884] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  538.719608][ T8884] CPU: 1 PID: 8884 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  538.729990][ T8884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  538.740326][ T8884] Call Trace:
[  538.743723][ T8884]  <TASK>
[  538.746791][ T8884]  dump_stack_lvl+0x1e7/0x2d0
[  538.751680][ T8884]  ? nf_tcp_handle_invalid+0x650/0x650
[  538.758287][ T8884]  ? panic+0x770/0x770
[  538.763890][ T8884]  sysfs_create_dir_ns+0x2ca/0x390
[  538.769563][ T8884]  ? sysfs_warn_dup+0xa0/0xa0
[  538.774340][ T8884]  kobject_add_internal+0x61d/0xc30
[  538.780043][ T8884]  kobject_add+0x152/0x210
[  538.784455][ T8884]  ? kobject_put+0x3e4/0x430
[  538.789037][ T8884]  ? kobject_init+0x1f0/0x1f0
[  538.793728][ T8884]  ? get_device_parent+0x25d/0x410
[  538.798884][ T8884]  ? device_add+0x30f/0xc90
[  538.803969][ T8884]  device_add+0x449/0xc90
[  538.808319][ T8884]  tty_register_device_attr+0x437/0x960
[  538.814386][ T8884]  ? tty_register_device+0x30/0x30
[  538.819705][ T8884]  ? gsm_dlci_alloc+0x354/0x6e0
[  538.824582][ T8884]  gsm_activate_mux+0xe9/0x290
[  538.829365][ T8884]  gsmld_ioctl+0x1858/0x25b0
[  538.833959][ T8884]  ? tomoyo_path_number_perm+0x663/0x840
[  538.839700][ T8884]  ? gsmld_write+0x120/0x120
[  538.844392][ T8884]  ? __vt_event_wait+0x240/0x240
[  538.849417][ T8884]  ? ldsem_down_read+0xb4/0xe0
[  538.854353][ T8884]  ? gsmld_write+0x120/0x120
[  538.858937][ T8884]  tty_ioctl+0x98c/0xda0
[  538.863170][ T8884]  ? security_file_ioctl+0x81/0xa0
[  538.868463][ T8884]  ? tty_get_icount+0xb0/0xb0
[  538.873227][ T8884]  __se_sys_ioctl+0xf8/0x170
[  538.878197][ T8884]  do_syscall_64+0x41/0xc0
[  538.882633][ T8884]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  538.889628][ T8884] RIP: 0033:0x7f68b62c56e9
[  538.894085][ T8884] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  538.914136][ T8884] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  538.924672][ T8884] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  538.932761][ T8884] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  538.941627][ T8884] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  538.949616][ T8884] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  538.958142][ T8884] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  538.966309][ T8884]  </TASK>
[  538.975760][ T8884] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.995779][ T8884] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  539.008370][ T8884] CPU: 0 PID: 8884 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  539.019267][ T8884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  539.029354][ T8884] Call Trace:
[  539.032844][ T8884]  <TASK>
[  539.035798][ T8884]  dump_stack_lvl+0x1e7/0x2d0
[  539.040533][ T8884]  ? nf_tcp_handle_invalid+0x650/0x650
[  539.046557][ T8884]  ? panic+0x770/0x770
[  539.051117][ T8884]  sysfs_create_dir_ns+0x2ca/0x390
[  539.056452][ T8884]  ? sysfs_warn_dup+0xa0/0xa0
[  539.061875][ T8884]  kobject_add_internal+0x61d/0xc30
[  539.067209][ T8884]  kobject_add+0x152/0x210
[  539.071752][ T8884]  ? kobject_put+0x3e4/0x430
[  539.076380][ T8884]  ? kobject_init+0x1f0/0x1f0
[  539.081357][ T8884]  ? get_device_parent+0x25d/0x410
[  539.086959][ T8884]  ? device_add+0x30f/0xc90
[  539.091950][ T8884]  device_add+0x449/0xc90
[  539.096861][ T8884]  tty_register_device_attr+0x437/0x960
[  539.102467][ T8884]  ? tty_register_device+0x30/0x30
[  539.107967][ T8884]  ? gsm_dlci_alloc+0x354/0x6e0
[  539.113768][ T8884]  gsm_activate_mux+0xe9/0x290
[  539.118527][ T8884]  gsmld_ioctl+0x1858/0x25b0
[  539.123534][ T8884]  ? tomoyo_path_number_perm+0x663/0x840
[  539.129156][ T8884]  ? gsmld_write+0x120/0x120
[  539.133819][ T8884]  ? __vt_event_wait+0x240/0x240
[  539.138838][ T8884]  ? ldsem_down_read+0xb4/0xe0
[  539.143591][ T8884]  ? gsmld_write+0x120/0x120
[  539.148166][ T8884]  tty_ioctl+0x98c/0xda0
[  539.152933][ T8884]  ? security_file_ioctl+0x81/0xa0
[  539.158040][ T8884]  ? tty_get_icount+0xb0/0xb0
[  539.162830][ T8884]  __se_sys_ioctl+0xf8/0x170
[  539.167443][ T8884]  do_syscall_64+0x41/0xc0
[  539.171878][ T8884]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  539.177957][ T8884] RIP: 0033:0x7f68b62c56e9
[  539.182376][ T8884] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  539.203463][ T8884] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  539.212592][ T8884] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  539.220834][ T8884] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  539.230607][ T8884] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  539.238681][ T8884] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  539.247190][ T8884] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  539.255569][ T8884]  </TASK>
[  539.259142][ T8884] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.431471][ T8887] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  539.441984][ T8887] CPU: 0 PID: 8887 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  539.452381][ T8887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  539.462564][ T8887] Call Trace:
[  539.466611][ T8887]  <TASK>
[  539.469566][ T8887]  dump_stack_lvl+0x1e7/0x2d0
[  539.474290][ T8887]  ? nf_tcp_handle_invalid+0x650/0x650
[  539.479782][ T8887]  ? panic+0x770/0x770
[  539.483891][ T8887]  sysfs_create_dir_ns+0x2ca/0x390
[  539.489038][ T8887]  ? sysfs_warn_dup+0xa0/0xa0
[  539.494055][ T8887]  kobject_add_internal+0x61d/0xc30
[  539.499390][ T8887]  kobject_add+0x152/0x210
[  539.503868][ T8887]  ? kobject_put+0x3e4/0x430
[  539.508630][ T8887]  ? kobject_init+0x1f0/0x1f0
[  539.513530][ T8887]  ? get_device_parent+0x25d/0x410
[  539.518695][ T8887]  ? device_add+0x30f/0xc90
[  539.523260][ T8887]  device_add+0x449/0xc90
[  539.527815][ T8887]  tty_register_device_attr+0x437/0x960
[  539.533412][ T8887]  ? tty_register_device+0x30/0x30
[  539.538577][ T8887]  ? gsm_dlci_alloc+0x354/0x6e0
[  539.544782][ T8887]  gsm_activate_mux+0xe9/0x290
[  539.549962][ T8887]  gsmld_ioctl+0x1858/0x25b0
[  539.555383][ T8887]  ? tomoyo_path_number_perm+0x663/0x840
[  539.561517][ T8887]  ? gsmld_write+0x120/0x120
[  539.566241][ T8887]  ? __vt_event_wait+0x240/0x240
[  539.571577][ T8887]  ? ldsem_down_read+0xb4/0xe0
[  539.576586][ T8887]  ? gsmld_write+0x120/0x120
[  539.581699][ T8887]  tty_ioctl+0x98c/0xda0
[  539.586072][ T8887]  ? security_file_ioctl+0x81/0xa0
[  539.592273][ T8887]  ? tty_get_icount+0xb0/0xb0
[  539.597169][ T8887]  __se_sys_ioctl+0xf8/0x170
[  539.601986][ T8887]  do_syscall_64+0x41/0xc0
[  539.606466][ T8887]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  539.612554][ T8887] RIP: 0033:0x7f68b62c56e9
[  539.617414][ T8887] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  539.638372][ T8887] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  539.647150][ T8887] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  539.656052][ T8887] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  539.665183][ T8887] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  539.673855][ T8887] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  539.682103][ T8887] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  539.690368][ T8887]  </TASK>
[  539.694801][ T8887] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.875590][ T8891] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  539.889609][ T8891] CPU: 0 PID: 8891 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  539.900602][ T8891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  539.911571][ T8891] Call Trace:
[  539.915418][ T8891]  <TASK>
[  539.918436][ T8891]  dump_stack_lvl+0x1e7/0x2d0
[  539.923485][ T8891]  ? nf_tcp_handle_invalid+0x650/0x650
[  539.929171][ T8891]  ? panic+0x770/0x770
[  539.933637][ T8891]  sysfs_create_dir_ns+0x2ca/0x390
[  539.938970][ T8891]  ? sysfs_warn_dup+0xa0/0xa0
[  539.944392][ T8891]  kobject_add_internal+0x61d/0xc30
[  539.950013][ T8891]  kobject_add+0x152/0x210
[  539.954667][ T8891]  ? kobject_put+0x3e4/0x430
[  539.959418][ T8891]  ? kobject_init+0x1f0/0x1f0
[  539.964148][ T8891]  ? get_device_parent+0x25d/0x410
[  539.969481][ T8891]  ? device_add+0x30f/0xc90
[  539.974336][ T8891]  device_add+0x449/0xc90
[  539.978897][ T8891]  tty_register_device_attr+0x437/0x960
[  539.987714][ T8891]  ? tty_register_device+0x30/0x30
[  539.992970][ T8891]  ? gsm_dlci_alloc+0x354/0x6e0
[  539.998163][ T8891]  gsm_activate_mux+0xe9/0x290
[  540.003086][ T8891]  gsmld_ioctl+0x1858/0x25b0
[  540.007810][ T8891]  ? tomoyo_path_number_perm+0x663/0x840
[  540.013671][ T8891]  ? gsmld_write+0x120/0x120
[  540.018829][ T8891]  ? __vt_event_wait+0x240/0x240
[  540.024008][ T8891]  ? ldsem_down_read+0xb4/0xe0
[  540.028990][ T8891]  ? gsmld_write+0x120/0x120
[  540.033709][ T8891]  tty_ioctl+0x98c/0xda0
[  540.038194][ T8891]  ? security_file_ioctl+0x81/0xa0
[  540.043463][ T8891]  ? tty_get_icount+0xb0/0xb0
[  540.048197][ T8891]  __se_sys_ioctl+0xf8/0x170
[  540.053184][ T8891]  do_syscall_64+0x41/0xc0
[  540.057726][ T8891]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  540.063919][ T8891] RIP: 0033:0x7f68b62c56e9
[  540.068473][ T8891] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  540.089243][ T8891] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  540.099602][ T8891] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  540.107798][ T8891] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  540.116565][ T8891] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  540.125656][ T8891] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  540.134151][ T8891] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  540.142676][ T8891]  </TASK>
[  540.146704][ T8891] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.318591][ T8894] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  540.343366][ T8894] CPU: 0 PID: 8894 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  540.354131][ T8894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  540.364752][ T8894] Call Trace:
[  540.368073][ T8894]  <TASK>
[  540.371028][ T8894]  dump_stack_lvl+0x1e7/0x2d0
[  540.376019][ T8894]  ? nf_tcp_handle_invalid+0x650/0x650
[  540.382082][ T8894]  ? panic+0x770/0x770
[  540.386572][ T8894]  sysfs_create_dir_ns+0x2ca/0x390
[  540.391911][ T8894]  ? sysfs_warn_dup+0xa0/0xa0
[  540.396689][ T8894]  kobject_add_internal+0x61d/0xc30
[  540.402065][ T8894]  kobject_add+0x152/0x210
[  540.406632][ T8894]  ? kobject_put+0x3e4/0x430
[  540.411502][ T8894]  ? kobject_init+0x1f0/0x1f0
[  540.416306][ T8894]  ? get_device_parent+0x25d/0x410
[  540.421596][ T8894]  ? device_add+0x30f/0xc90
[  540.426180][ T8894]  device_add+0x449/0xc90
[  540.430605][ T8894]  tty_register_device_attr+0x437/0x960
[  540.436256][ T8894]  ? tty_register_device+0x30/0x30
[  540.441405][ T8894]  ? gsm_dlci_alloc+0x354/0x6e0
[  540.446276][ T8894]  gsm_activate_mux+0xe9/0x290
[  540.451050][ T8894]  gsmld_ioctl+0x1858/0x25b0
[  540.455718][ T8894]  ? tomoyo_path_number_perm+0x663/0x840
[  540.461357][ T8894]  ? gsmld_write+0x120/0x120
[  540.466050][ T8894]  ? __vt_event_wait+0x240/0x240
[  540.471106][ T8894]  ? ldsem_down_read+0xb4/0xe0
[  540.475915][ T8894]  ? gsmld_write+0x120/0x120
[  540.480611][ T8894]  tty_ioctl+0x98c/0xda0
[  540.485410][ T8894]  ? security_file_ioctl+0x81/0xa0
[  540.490527][ T8894]  ? tty_get_icount+0xb0/0xb0
[  540.495635][ T8894]  __se_sys_ioctl+0xf8/0x170
[  540.500227][ T8894]  do_syscall_64+0x41/0xc0
[  540.504726][ T8894]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  540.510714][ T8894] RIP: 0033:0x7f68b62c56e9
[  540.515134][ T8894] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  540.535172][ T8894] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  540.543669][ T8894] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  540.551632][ T8894] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  540.560680][ T8894] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  540.568778][ T8894] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  540.577122][ T8894] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  540.585199][ T8894]  </TASK>
[  540.593319][ T8894] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.819215][ T8897] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  540.843276][ T8897] CPU: 0 PID: 8897 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  540.853841][ T8897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  540.864289][ T8897] Call Trace:
[  540.867610][ T8897]  <TASK>
[  540.870537][ T8897]  dump_stack_lvl+0x1e7/0x2d0
[  540.875634][ T8897]  ? nf_tcp_handle_invalid+0x650/0x650
[  540.881490][ T8897]  ? panic+0x770/0x770
[  540.886264][ T8897]  sysfs_create_dir_ns+0x2ca/0x390
[  540.893073][ T8897]  ? sysfs_warn_dup+0xa0/0xa0
[  540.898156][ T8897]  kobject_add_internal+0x61d/0xc30
[  540.904033][ T8897]  kobject_add+0x152/0x210
[  540.908701][ T8897]  ? kobject_put+0x3e4/0x430
[  540.913344][ T8897]  ? kobject_init+0x1f0/0x1f0
[  540.918685][ T8897]  ? get_device_parent+0x25d/0x410
[  540.924892][ T8897]  ? device_add+0x30f/0xc90
[  540.929686][ T8897]  device_add+0x449/0xc90
[  540.934222][ T8897]  tty_register_device_attr+0x437/0x960
[  540.940392][ T8897]  ? tty_register_device+0x30/0x30
[  540.945884][ T8897]  ? gsm_dlci_alloc+0x354/0x6e0
[  540.950940][ T8897]  gsm_activate_mux+0xe9/0x290
[  540.957671][ T8897]  gsmld_ioctl+0x1858/0x25b0
[  540.962471][ T8897]  ? tomoyo_path_number_perm+0x663/0x840
[  540.968831][ T8897]  ? gsmld_write+0x120/0x120
[  540.973900][ T8897]  ? __vt_event_wait+0x240/0x240
[  540.979599][ T8897]  ? ldsem_down_read+0xb4/0xe0
[  540.985870][ T8897]  ? gsmld_write+0x120/0x120
[  540.990847][ T8897]  tty_ioctl+0x98c/0xda0
[  540.995340][ T8897]  ? security_file_ioctl+0x81/0xa0
[  541.000662][ T8897]  ? tty_get_icount+0xb0/0xb0
[  541.005363][ T8897]  __se_sys_ioctl+0xf8/0x170
[  541.010067][ T8897]  do_syscall_64+0x41/0xc0
[  541.014485][ T8897]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  541.021004][ T8897] RIP: 0033:0x7f68b62c56e9
[  541.025705][ T8897] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  541.046068][ T8897] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  541.054756][ T8897] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  541.062933][ T8897] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  541.071558][ T8897] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  541.079909][ T8897] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  541.088006][ T8897] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  541.096380][ T8897]  </TASK>
[  541.104512][ T8897] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.121964][ T8898] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  541.140572][ T8898] CPU: 0 PID: 8898 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  541.151397][ T8898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  541.161569][ T8898] Call Trace:
[  541.164916][ T8898]  <TASK>
[  541.167883][ T8898]  dump_stack_lvl+0x1e7/0x2d0
[  541.173734][ T8898]  ? nf_tcp_handle_invalid+0x650/0x650
[  541.179461][ T8898]  ? panic+0x770/0x770
[  541.183669][ T8898]  sysfs_create_dir_ns+0x2ca/0x390
[  541.188822][ T8898]  ? sysfs_warn_dup+0xa0/0xa0
[  541.193623][ T8898]  kobject_add_internal+0x61d/0xc30
[  541.199148][ T8898]  kobject_add+0x152/0x210
[  541.203609][ T8898]  ? kobject_put+0x3e4/0x430
[  541.208326][ T8898]  ? kobject_init+0x1f0/0x1f0
[  541.213050][ T8898]  ? get_device_parent+0x25d/0x410
[  541.218291][ T8898]  ? device_add+0x30f/0xc90
[  541.223017][ T8898]  device_add+0x449/0xc90
[  541.227385][ T8898]  tty_register_device_attr+0x437/0x960
[  541.232989][ T8898]  ? tty_register_device+0x30/0x30
[  541.238250][ T8898]  ? gsm_dlci_alloc+0x354/0x6e0
[  541.243233][ T8898]  gsm_activate_mux+0xe9/0x290
[  541.248134][ T8898]  gsmld_ioctl+0x1858/0x25b0
[  541.252813][ T8898]  ? tomoyo_path_number_perm+0x663/0x840
[  541.258712][ T8898]  ? gsmld_write+0x120/0x120
[  541.263583][ T8898]  ? __vt_event_wait+0x240/0x240
[  541.268883][ T8898]  ? ldsem_down_read+0xb4/0xe0
[  541.274386][ T8898]  ? gsmld_write+0x120/0x120
[  541.279431][ T8898]  tty_ioctl+0x98c/0xda0
[  541.283954][ T8898]  ? security_file_ioctl+0x81/0xa0
[  541.289452][ T8898]  ? tty_get_icount+0xb0/0xb0
[  541.294179][ T8898]  __se_sys_ioctl+0xf8/0x170
[  541.298878][ T8898]  do_syscall_64+0x41/0xc0
[  541.303341][ T8898]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  541.309331][ T8898] RIP: 0033:0x7f68b62c56e9
[  541.313744][ T8898] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  541.333605][ T8898] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  541.342390][ T8898] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  541.350645][ T8898] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  541.358905][ T8898] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  541.367074][ T8898] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  541.375271][ T8898] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  541.383521][ T8898]  </TASK>
[  541.392022][ T8898] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.564226][ T8901] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  541.574101][ T8901] CPU: 0 PID: 8901 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  541.584221][ T8901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  541.594424][ T8901] Call Trace:
[  541.597729][ T8901]  <TASK>
[  541.600680][ T8901]  dump_stack_lvl+0x1e7/0x2d0
[  541.605393][ T8901]  ? nf_tcp_handle_invalid+0x650/0x650
[  541.611074][ T8901]  ? panic+0x770/0x770
[  541.615878][ T8901]  sysfs_create_dir_ns+0x2ca/0x390
[  541.621026][ T8901]  ? sysfs_warn_dup+0xa0/0xa0
[  541.625759][ T8901]  kobject_add_internal+0x61d/0xc30
[  541.631168][ T8901]  kobject_add+0x152/0x210
[  541.635794][ T8901]  ? kobject_put+0x3e4/0x430
[  541.640420][ T8901]  ? kobject_init+0x1f0/0x1f0
[  541.645139][ T8901]  ? get_device_parent+0x25d/0x410
[  541.650322][ T8901]  ? device_add+0x30f/0xc90
[  541.655823][ T8901]  device_add+0x449/0xc90
[  541.660363][ T8901]  tty_register_device_attr+0x437/0x960
[  541.666213][ T8901]  ? tty_register_device+0x30/0x30
[  541.672721][ T8901]  ? gsm_dlci_alloc+0x354/0x6e0
[  541.677608][ T8901]  gsm_activate_mux+0xe9/0x290
[  541.682430][ T8901]  gsmld_ioctl+0x1858/0x25b0
[  541.687934][ T8901]  ? tomoyo_path_number_perm+0x663/0x840
[  541.693782][ T8901]  ? gsmld_write+0x120/0x120
[  541.698672][ T8901]  ? __vt_event_wait+0x240/0x240
[  541.703911][ T8901]  ? ldsem_down_read+0xb4/0xe0
[  541.708724][ T8901]  ? gsmld_write+0x120/0x120
[  541.713349][ T8901]  tty_ioctl+0x98c/0xda0
[  541.717625][ T8901]  ? security_file_ioctl+0x81/0xa0
[  541.722772][ T8901]  ? tty_get_icount+0xb0/0xb0
[  541.727491][ T8901]  __se_sys_ioctl+0xf8/0x170
[  541.732143][ T8901]  do_syscall_64+0x41/0xc0
[  541.736596][ T8901]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  541.742784][ T8901] RIP: 0033:0x7f68b62c56e9
[  541.747233][ T8901] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  541.768845][ T8901] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  541.777872][ T8901] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  541.786009][ T8901] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  541.794145][ T8901] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  541.802211][ T8901] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  541.810181][ T8901] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  541.818143][ T8901]  </TASK>
[  541.824298][ T8901] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.999771][ T8905] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  542.012134][ T8905] CPU: 0 PID: 8905 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  542.022252][ T8905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  542.032414][ T8905] Call Trace:
[  542.035836][ T8905]  <TASK>
[  542.038875][ T8905]  dump_stack_lvl+0x1e7/0x2d0
[  542.043677][ T8905]  ? nf_tcp_handle_invalid+0x650/0x650
[  542.049171][ T8905]  ? panic+0x770/0x770
[  542.053559][ T8905]  sysfs_create_dir_ns+0x2ca/0x390
[  542.058729][ T8905]  ? sysfs_warn_dup+0xa0/0xa0
[  542.063441][ T8905]  kobject_add_internal+0x61d/0xc30
[  542.068849][ T8905]  kobject_add+0x152/0x210
[  542.073412][ T8905]  ? kobject_put+0x3e4/0x430
[  542.078029][ T8905]  ? kobject_init+0x1f0/0x1f0
[  542.082931][ T8905]  ? get_device_parent+0x25d/0x410
[  542.088243][ T8905]  ? device_add+0x30f/0xc90
[  542.092974][ T8905]  device_add+0x449/0xc90
[  542.097431][ T8905]  tty_register_device_attr+0x437/0x960
[  542.103364][ T8905]  ? tty_register_device+0x30/0x30
[  542.108514][ T8905]  ? gsm_dlci_alloc+0x354/0x6e0
[  542.113400][ T8905]  gsm_activate_mux+0xe9/0x290
[  542.118287][ T8905]  gsmld_ioctl+0x1858/0x25b0
[  542.123001][ T8905]  ? tomoyo_path_number_perm+0x663/0x840
[  542.128849][ T8905]  ? gsmld_write+0x120/0x120
[  542.133474][ T8905]  ? __vt_event_wait+0x240/0x240
[  542.138455][ T8905]  ? ldsem_down_read+0xb4/0xe0
[  542.143260][ T8905]  ? gsmld_write+0x120/0x120
[  542.147885][ T8905]  tty_ioctl+0x98c/0xda0
[  542.152257][ T8905]  ? security_file_ioctl+0x81/0xa0
[  542.157575][ T8905]  ? tty_get_icount+0xb0/0xb0
[  542.162386][ T8905]  __se_sys_ioctl+0xf8/0x170
[  542.167277][ T8905]  do_syscall_64+0x41/0xc0
[  542.172058][ T8905]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  542.178327][ T8905] RIP: 0033:0x7f68b62c56e9
[  542.182983][ T8905] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  542.210847][ T8905] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  542.219440][ T8905] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  542.227399][ T8905] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  542.236271][ T8905] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  542.244949][ T8905] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  542.253111][ T8905] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  542.261270][ T8905]  </TASK>
[  542.266335][ T8905] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.431097][ T8908] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  542.454648][ T8908] CPU: 1 PID: 8908 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  542.464842][ T8908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  542.474914][ T8908] Call Trace:
[  542.478207][ T8908]  <TASK>
[  542.481152][ T8908]  dump_stack_lvl+0x1e7/0x2d0
[  542.486219][ T8908]  ? nf_tcp_handle_invalid+0x650/0x650
[  542.491873][ T8908]  ? panic+0x770/0x770
[  542.495970][ T8908]  sysfs_create_dir_ns+0x2ca/0x390
[  542.501191][ T8908]  ? sysfs_warn_dup+0xa0/0xa0
[  542.505893][ T8908]  kobject_add_internal+0x61d/0xc30
[  542.511118][ T8908]  kobject_add+0x152/0x210
[  542.515621][ T8908]  ? kobject_put+0x3e4/0x430
[  542.520362][ T8908]  ? kobject_init+0x1f0/0x1f0
[  542.525079][ T8908]  ? get_device_parent+0x25d/0x410
[  542.530406][ T8908]  ? device_add+0x30f/0xc90
[  542.534940][ T8908]  device_add+0x449/0xc90
[  542.539299][ T8908]  tty_register_device_attr+0x437/0x960
[  542.544960][ T8908]  ? tty_register_device+0x30/0x30
[  542.550186][ T8908]  ? gsm_dlci_alloc+0x354/0x6e0
[  542.555101][ T8908]  gsm_activate_mux+0xe9/0x290
[  542.559894][ T8908]  gsmld_ioctl+0x1858/0x25b0
[  542.564523][ T8908]  ? tomoyo_path_number_perm+0x663/0x840
[  542.570376][ T8908]  ? gsmld_write+0x120/0x120
[  542.575002][ T8908]  ? __vt_event_wait+0x240/0x240
[  542.579981][ T8908]  ? ldsem_down_read+0xb4/0xe0
[  542.584780][ T8908]  ? gsmld_write+0x120/0x120
[  542.589397][ T8908]  tty_ioctl+0x98c/0xda0
[  542.593661][ T8908]  ? security_file_ioctl+0x81/0xa0
[  542.598768][ T8908]  ? tty_get_icount+0xb0/0xb0
[  542.603437][ T8908]  __se_sys_ioctl+0xf8/0x170
[  542.608038][ T8908]  do_syscall_64+0x41/0xc0
[  542.612621][ T8908]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  542.618533][ T8908] RIP: 0033:0x7f68b62c56e9
[  542.622975][ T8908] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  542.642771][ T8908] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  542.651278][ T8908] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  542.659271][ T8908] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  542.667423][ T8908] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  542.675908][ T8908] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  542.684739][ T8908] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  542.693015][ T8908]  </TASK>
[  542.696742][ T8908] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.866681][ T8911] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  542.881007][ T8911] CPU: 1 PID: 8911 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  542.891828][ T8911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  542.901902][ T8911] Call Trace:
[  542.905201][ T8911]  <TASK>
[  542.908147][ T8911]  dump_stack_lvl+0x1e7/0x2d0
[  542.912856][ T8911]  ? nf_tcp_handle_invalid+0x650/0x650
[  542.918432][ T8911]  ? panic+0x770/0x770
[  542.922529][ T8911]  sysfs_create_dir_ns+0x2ca/0x390
[  542.927801][ T8911]  ? sysfs_warn_dup+0xa0/0xa0
[  542.932605][ T8911]  kobject_add_internal+0x61d/0xc30
[  542.937840][ T8911]  kobject_add+0x152/0x210
[  542.942284][ T8911]  ? kobject_put+0x3e4/0x430
[  542.947823][ T8911]  ? kobject_init+0x1f0/0x1f0
[  542.952542][ T8911]  ? get_device_parent+0x25d/0x410
[  542.958204][ T8911]  ? device_add+0x30f/0xc90
[  542.962822][ T8911]  device_add+0x449/0xc90
[  542.967192][ T8911]  tty_register_device_attr+0x437/0x960
[  542.972855][ T8911]  ? tty_register_device+0x30/0x30
[  542.978174][ T8911]  ? gsm_dlci_alloc+0x354/0x6e0
[  542.983064][ T8911]  gsm_activate_mux+0xe9/0x290
[  542.987964][ T8911]  gsmld_ioctl+0x1858/0x25b0
[  542.992584][ T8911]  ? tomoyo_path_number_perm+0x663/0x840
[  542.998336][ T8911]  ? gsmld_write+0x120/0x120
[  543.002953][ T8911]  ? __vt_event_wait+0x240/0x240
[  543.008069][ T8911]  ? ldsem_down_read+0xb4/0xe0
[  543.012945][ T8911]  ? gsmld_write+0x120/0x120
[  543.017571][ T8911]  tty_ioctl+0x98c/0xda0
[  543.021929][ T8911]  ? security_file_ioctl+0x81/0xa0
[  543.027246][ T8911]  ? tty_get_icount+0xb0/0xb0
[  543.031942][ T8911]  __se_sys_ioctl+0xf8/0x170
[  543.036558][ T8911]  do_syscall_64+0x41/0xc0
[  543.040994][ T8911]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  543.046878][ T8911] RIP: 0033:0x7f68b62c56e9
[  543.051279][ T8911] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  543.070887][ T8911] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  543.079305][ T8911] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  543.087455][ T8911] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  543.095613][ T8911] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  543.103674][ T8911] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  543.111813][ T8911] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  543.119872][ T8911]  </TASK>
[  543.123393][ T8911] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.300190][ T8914] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  543.318382][ T8914] CPU: 1 PID: 8914 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  543.328674][ T8914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  543.338843][ T8914] Call Trace:
[  543.342141][ T8914]  <TASK>
[  543.345182][ T8914]  dump_stack_lvl+0x1e7/0x2d0
[  543.349901][ T8914]  ? nf_tcp_handle_invalid+0x650/0x650
[  543.355499][ T8914]  ? panic+0x770/0x770
[  543.359611][ T8914]  sysfs_create_dir_ns+0x2ca/0x390
[  543.365133][ T8914]  ? sysfs_warn_dup+0xa0/0xa0
[  543.370987][ T8914]  kobject_add_internal+0x61d/0xc30
[  543.376228][ T8914]  kobject_add+0x152/0x210
[  543.380772][ T8914]  ? kobject_put+0x3e4/0x430
[  543.385385][ T8914]  ? kobject_init+0x1f0/0x1f0
[  543.390087][ T8914]  ? get_device_parent+0x25d/0x410
[  543.395200][ T8914]  ? device_add+0x30f/0xc90
[  543.399709][ T8914]  device_add+0x449/0xc90
[  543.404131][ T8914]  tty_register_device_attr+0x437/0x960
[  543.409761][ T8914]  ? tty_register_device+0x30/0x30
[  543.414954][ T8914]  ? gsm_dlci_alloc+0x354/0x6e0
[  543.419892][ T8914]  gsm_activate_mux+0xe9/0x290
[  543.424648][ T8914]  gsmld_ioctl+0x1858/0x25b0
[  543.429232][ T8914]  ? tomoyo_path_number_perm+0x663/0x840
[  543.434963][ T8914]  ? gsmld_write+0x120/0x120
[  543.439555][ T8914]  ? __vt_event_wait+0x240/0x240
[  543.444490][ T8914]  ? ldsem_down_read+0xb4/0xe0
[  543.449358][ T8914]  ? gsmld_write+0x120/0x120
[  543.453939][ T8914]  tty_ioctl+0x98c/0xda0
[  543.458178][ T8914]  ? security_file_ioctl+0x81/0xa0
[  543.463298][ T8914]  ? tty_get_icount+0xb0/0xb0
[  543.468055][ T8914]  __se_sys_ioctl+0xf8/0x170
[  543.472692][ T8914]  do_syscall_64+0x41/0xc0
[  543.477518][ T8914]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  543.483509][ T8914] RIP: 0033:0x7f68b62c56e9
[  543.488042][ T8914] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  543.508189][ T8914] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  543.516774][ T8914] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  543.524747][ T8914] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  543.532794][ T8914] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  543.540759][ T8914] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  543.548817][ T8914] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  543.557484][ T8914]  </TASK>
[  543.564250][ T8915] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  543.568877][ T8914] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.573805][ T8915] CPU: 0 PID: 8915 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  543.597430][ T8915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  543.608282][ T8915] Call Trace:
[  543.611577][ T8915]  <TASK>
[  543.614504][ T8915]  dump_stack_lvl+0x1e7/0x2d0
[  543.619189][ T8915]  ? nf_tcp_handle_invalid+0x650/0x650
[  543.624687][ T8915]  ? panic+0x770/0x770
[  543.628775][ T8915]  sysfs_create_dir_ns+0x2ca/0x390
[  543.634005][ T8915]  ? sysfs_warn_dup+0xa0/0xa0
[  543.638792][ T8915]  kobject_add_internal+0x61d/0xc30
[  543.644003][ T8915]  kobject_add+0x152/0x210
[  543.648429][ T8915]  ? kobject_put+0x3e4/0x430
[  543.653029][ T8915]  ? kobject_init+0x1f0/0x1f0
[  543.657963][ T8915]  ? get_device_parent+0x25d/0x410
[  543.663097][ T8915]  ? device_add+0x30f/0xc90
[  543.667597][ T8915]  device_add+0x449/0xc90
[  543.672007][ T8915]  tty_register_device_attr+0x437/0x960
[  543.677565][ T8915]  ? tty_register_device+0x30/0x30
[  543.682680][ T8915]  ? gsm_dlci_alloc+0x354/0x6e0
[  543.687532][ T8915]  gsm_activate_mux+0xe9/0x290
[  543.692326][ T8915]  gsmld_ioctl+0x1858/0x25b0
[  543.696957][ T8915]  ? tomoyo_path_number_perm+0x663/0x840
[  543.702635][ T8915]  ? gsmld_write+0x120/0x120
[  543.707252][ T8915]  ? __vt_event_wait+0x240/0x240
[  543.712284][ T8915]  ? ldsem_down_read+0xb4/0xe0
[  543.717069][ T8915]  ? gsmld_write+0x120/0x120
[  543.721747][ T8915]  tty_ioctl+0x98c/0xda0
[  543.726172][ T8915]  ? security_file_ioctl+0x81/0xa0
[  543.731387][ T8915]  ? tty_get_icount+0xb0/0xb0
[  543.736073][ T8915]  __se_sys_ioctl+0xf8/0x170
[  543.740766][ T8915]  do_syscall_64+0x41/0xc0
[  543.745223][ T8915]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  543.751483][ T8915] RIP: 0033:0x7f68b62c56e9
[  543.756255][ T8915] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  543.776558][ T8915] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  543.785056][ T8915] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  543.793019][ T8915] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  543.801004][ T8915] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  543.809054][ T8915] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  543.817471][ T8915] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  543.825617][ T8915]  </TASK>
[  543.829846][ T8915] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.032718][ T8918] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  544.066011][ T8918] CPU: 0 PID: 8918 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  544.076218][ T8918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  544.086733][ T8918] Call Trace:
[  544.090036][ T8918]  <TASK>
[  544.092991][ T8918]  dump_stack_lvl+0x1e7/0x2d0
[  544.097697][ T8918]  ? nf_tcp_handle_invalid+0x650/0x650
[  544.103548][ T8918]  ? panic+0x770/0x770
[  544.107733][ T8918]  sysfs_create_dir_ns+0x2ca/0x390
[  544.112957][ T8918]  ? sysfs_warn_dup+0xa0/0xa0
[  544.117673][ T8918]  kobject_add_internal+0x61d/0xc30
[  544.123086][ T8918]  kobject_add+0x152/0x210
[  544.127722][ T8918]  ? kobject_put+0x3e4/0x430
[  544.132521][ T8918]  ? kobject_init+0x1f0/0x1f0
[  544.137321][ T8918]  ? get_device_parent+0x25d/0x410
[  544.142464][ T8918]  ? device_add+0x30f/0xc90
[  544.147260][ T8918]  device_add+0x449/0xc90
[  544.151724][ T8918]  tty_register_device_attr+0x437/0x960
[  544.157310][ T8918]  ? tty_register_device+0x30/0x30
[  544.162468][ T8918]  ? gsm_dlci_alloc+0x354/0x6e0
[  544.167447][ T8918]  gsm_activate_mux+0xe9/0x290
[  544.172430][ T8918]  gsmld_ioctl+0x1858/0x25b0
[  544.177222][ T8918]  ? tomoyo_path_number_perm+0x663/0x840
[  544.183512][ T8918]  ? gsmld_write+0x120/0x120
[  544.188361][ T8918]  ? __vt_event_wait+0x240/0x240
[  544.193392][ T8918]  ? ldsem_down_read+0xb4/0xe0
[  544.198442][ T8918]  ? gsmld_write+0x120/0x120
[  544.203137][ T8918]  tty_ioctl+0x98c/0xda0
[  544.207414][ T8918]  ? security_file_ioctl+0x81/0xa0
[  544.212634][ T8918]  ? tty_get_icount+0xb0/0xb0
[  544.217434][ T8918]  __se_sys_ioctl+0xf8/0x170
[  544.222036][ T8918]  do_syscall_64+0x41/0xc0
[  544.226452][ T8918]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  544.232344][ T8918] RIP: 0033:0x7f68b62c56e9
[  544.236749][ T8918] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  544.256369][ T8918] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  544.265084][ T8918] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  544.273348][ T8918] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  544.281414][ T8918] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  544.289396][ T8918] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  544.297467][ T8918] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  544.305722][ T8918]  </TASK>
[  544.321083][ T8918] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.485734][ T8921] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  544.495155][ T8921] CPU: 1 PID: 8921 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  544.505426][ T8921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  544.515513][ T8921] Call Trace:
[  544.518814][ T8921]  <TASK>
[  544.521775][ T8921]  dump_stack_lvl+0x1e7/0x2d0
[  544.526660][ T8921]  ? nf_tcp_handle_invalid+0x650/0x650
[  544.532152][ T8921]  ? panic+0x770/0x770
[  544.536259][ T8921]  sysfs_create_dir_ns+0x2ca/0x390
[  544.541404][ T8921]  ? sysfs_warn_dup+0xa0/0xa0
[  544.546116][ T8921]  kobject_add_internal+0x61d/0xc30
[  544.551439][ T8921]  kobject_add+0x152/0x210
[  544.555926][ T8921]  ? kobject_put+0x3e4/0x430
[  544.560635][ T8921]  ? kobject_init+0x1f0/0x1f0
[  544.565347][ T8921]  ? get_device_parent+0x25d/0x410
[  544.570667][ T8921]  ? device_add+0x30f/0xc90
[  544.575206][ T8921]  device_add+0x449/0xc90
[  544.579688][ T8921]  tty_register_device_attr+0x437/0x960
[  544.585360][ T8921]  ? tty_register_device+0x30/0x30
[  544.590518][ T8921]  ? gsm_dlci_alloc+0x354/0x6e0
[  544.595409][ T8921]  gsm_activate_mux+0xe9/0x290
[  544.600296][ T8921]  gsmld_ioctl+0x1858/0x25b0
[  544.605007][ T8921]  ? tomoyo_path_number_perm+0x663/0x840
[  544.610693][ T8921]  ? gsmld_write+0x120/0x120
[  544.615317][ T8921]  ? __vt_event_wait+0x240/0x240
[  544.620523][ T8921]  ? ldsem_down_read+0xb4/0xe0
[  544.625329][ T8921]  ? gsmld_write+0x120/0x120
[  544.629958][ T8921]  tty_ioctl+0x98c/0xda0
[  544.634417][ T8921]  ? security_file_ioctl+0x81/0xa0
[  544.639569][ T8921]  ? tty_get_icount+0xb0/0xb0
[  544.644373][ T8921]  __se_sys_ioctl+0xf8/0x170
[  544.649168][ T8921]  do_syscall_64+0x41/0xc0
[  544.653615][ T8921]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  544.659715][ T8921] RIP: 0033:0x7f68b62c56e9
[  544.664154][ T8921] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  544.684052][ T8921] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  544.692741][ T8921] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  544.700720][ T8921] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  544.708783][ T8921] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  544.716937][ T8921] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  544.724901][ T8921] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  544.733143][ T8921]  </TASK>
[  544.737100][ T8921] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.910137][ T8924] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  544.921369][ T8924] CPU: 0 PID: 8924 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  544.932190][ T8924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  544.942531][ T8924] Call Trace:
[  544.945932][ T8924]  <TASK>
[  544.948971][ T8924]  dump_stack_lvl+0x1e7/0x2d0
[  544.953783][ T8924]  ? nf_tcp_handle_invalid+0x650/0x650
[  544.959539][ T8924]  ? panic+0x770/0x770
[  544.963921][ T8924]  sysfs_create_dir_ns+0x2ca/0x390
[  544.969085][ T8924]  ? sysfs_warn_dup+0xa0/0xa0
[  544.973922][ T8924]  kobject_add_internal+0x61d/0xc30
[  544.979756][ T8924]  kobject_add+0x152/0x210
[  544.984182][ T8924]  ? kobject_put+0x3e4/0x430
[  544.988801][ T8924]  ? kobject_init+0x1f0/0x1f0
[  544.993605][ T8924]  ? get_device_parent+0x25d/0x410
[  544.998741][ T8924]  ? device_add+0x30f/0xc90
[  545.003337][ T8924]  device_add+0x449/0xc90
[  545.007666][ T8924]  tty_register_device_attr+0x437/0x960
[  545.013223][ T8924]  ? tty_register_device+0x30/0x30
[  545.018331][ T8924]  ? gsm_dlci_alloc+0x354/0x6e0
[  545.023784][ T8924]  gsm_activate_mux+0xe9/0x290
[  545.028633][ T8924]  gsmld_ioctl+0x1858/0x25b0
[  545.033319][ T8924]  ? tomoyo_path_number_perm+0x663/0x840
[  545.039073][ T8924]  ? gsmld_write+0x120/0x120
[  545.043771][ T8924]  ? __vt_event_wait+0x240/0x240
[  545.048768][ T8924]  ? ldsem_down_read+0xb4/0xe0
[  545.053825][ T8924]  ? gsmld_write+0x120/0x120
[  545.058522][ T8924]  tty_ioctl+0x98c/0xda0
[  545.065024][ T8924]  ? security_file_ioctl+0x81/0xa0
[  545.070306][ T8924]  ? tty_get_icount+0xb0/0xb0
[  545.075152][ T8924]  __se_sys_ioctl+0xf8/0x170
[  545.080111][ T8924]  do_syscall_64+0x41/0xc0
[  545.084525][ T8924]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  545.090683][ T8924] RIP: 0033:0x7f68b62c56e9
[  545.095355][ T8924] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  545.115339][ T8924] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  545.123951][ T8924] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  545.132115][ T8924] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  545.140553][ T8924] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  545.148701][ T8924] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  545.156670][ T8924] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  545.164640][ T8924]  </TASK>
[  545.177943][ T8925] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  545.186664][ T8925] CPU: 0 PID: 8925 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  545.196926][ T8925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  545.207097][ T8925] Call Trace:
[  545.210586][ T8925]  <TASK>
[  545.213537][ T8925]  dump_stack_lvl+0x1e7/0x2d0
[  545.218341][ T8925]  ? nf_tcp_handle_invalid+0x650/0x650
[  545.224001][ T8925]  ? panic+0x770/0x770
[  545.228191][ T8925]  sysfs_create_dir_ns+0x2ca/0x390
[  545.233778][ T8925]  ? sysfs_warn_dup+0xa0/0xa0
[  545.238497][ T8925]  kobject_add_internal+0x61d/0xc30
[  545.243759][ T8925]  kobject_add+0x152/0x210
[  545.248203][ T8925]  ? kobject_put+0x3e4/0x430
[  545.252825][ T8925]  ? kobject_init+0x1f0/0x1f0
[  545.257630][ T8925]  ? get_device_parent+0x25d/0x410
[  545.262859][ T8925]  ? device_add+0x30f/0xc90
[  545.267396][ T8925]  device_add+0x449/0xc90
[  545.271759][ T8925]  tty_register_device_attr+0x437/0x960
[  545.277338][ T8925]  ? tty_register_device+0x30/0x30
[  545.279233][ T8924] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.282455][ T8925]  ? gsm_dlci_alloc+0x354/0x6e0
[  545.301446][ T8925]  gsm_activate_mux+0xe9/0x290
[  545.306233][ T8925]  gsmld_ioctl+0x1858/0x25b0
[  545.310910][ T8925]  ? tomoyo_path_number_perm+0x663/0x840
[  545.316719][ T8925]  ? gsmld_write+0x120/0x120
[  545.321311][ T8925]  ? __vt_event_wait+0x240/0x240
[  545.326426][ T8925]  ? ldsem_down_read+0xb4/0xe0
[  545.331326][ T8925]  ? gsmld_write+0x120/0x120
[  545.336174][ T8925]  tty_ioctl+0x98c/0xda0
[  545.340440][ T8925]  ? security_file_ioctl+0x81/0xa0
[  545.345898][ T8925]  ? tty_get_icount+0xb0/0xb0
[  545.350571][ T8925]  __se_sys_ioctl+0xf8/0x170
[  545.355248][ T8925]  do_syscall_64+0x41/0xc0
[  545.359668][ T8925]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  545.365552][ T8925] RIP: 0033:0x7f68b62c56e9
[  545.369958][ T8925] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  545.389752][ T8925] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  545.398335][ T8925] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  545.406734][ T8925] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  545.414814][ T8925] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  545.422786][ T8925] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  545.430922][ T8925] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  545.439499][ T8925]  </TASK>
[  545.445342][ T8925] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.614324][ T8928] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  545.627618][ T8928] CPU: 0 PID: 8928 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  545.637741][ T8928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  545.647907][ T8928] Call Trace:
[  545.651205][ T8928]  <TASK>
[  545.654324][ T8928]  dump_stack_lvl+0x1e7/0x2d0
[  545.659035][ T8928]  ? nf_tcp_handle_invalid+0x650/0x650
[  545.664524][ T8928]  ? panic+0x770/0x770
[  545.668712][ T8928]  sysfs_create_dir_ns+0x2ca/0x390
[  545.673850][ T8928]  ? sysfs_warn_dup+0xa0/0xa0
[  545.678559][ T8928]  kobject_add_internal+0x61d/0xc30
[  545.683791][ T8928]  kobject_add+0x152/0x210
[  545.688243][ T8928]  ? kobject_put+0x3e4/0x430
[  545.692928][ T8928]  ? kobject_init+0x1f0/0x1f0
[  545.697815][ T8928]  ? get_device_parent+0x25d/0x410
[  545.703055][ T8928]  ? device_add+0x30f/0xc90
[  545.707649][ T8928]  device_add+0x449/0xc90
[  545.712039][ T8928]  tty_register_device_attr+0x437/0x960
[  545.717628][ T8928]  ? tty_register_device+0x30/0x30
[  545.722761][ T8928]  ? gsm_dlci_alloc+0x354/0x6e0
[  545.727620][ T8928]  gsm_activate_mux+0xe9/0x290
[  545.732380][ T8928]  gsmld_ioctl+0x1858/0x25b0
[  545.737052][ T8928]  ? tomoyo_path_number_perm+0x663/0x840
[  545.743205][ T8928]  ? gsmld_write+0x120/0x120
[  545.747819][ T8928]  ? __vt_event_wait+0x240/0x240
[  545.752845][ T8928]  ? ldsem_down_read+0xb4/0xe0
[  545.757606][ T8928]  ? gsmld_write+0x120/0x120
[  545.762209][ T8928]  tty_ioctl+0x98c/0xda0
[  545.766469][ T8928]  ? security_file_ioctl+0x81/0xa0
[  545.771603][ T8928]  ? tty_get_icount+0xb0/0xb0
[  545.776287][ T8928]  __se_sys_ioctl+0xf8/0x170
[  545.780925][ T8928]  do_syscall_64+0x41/0xc0
[  545.785687][ T8928]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  545.791790][ T8928] RIP: 0033:0x7f68b62c56e9
[  545.796812][ T8928] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  545.816511][ T8928] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  545.824917][ T8928] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  545.832965][ T8928] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  545.841109][ T8928] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  545.849521][ T8928] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  545.857481][ T8928] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  545.865541][ T8928]  </TASK>
[  545.872205][ T8928] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.079071][ T8931] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.091514][ T8931] CPU: 0 PID: 8931 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  546.101653][ T8931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  546.111808][ T8931] Call Trace:
[  546.115264][ T8931]  <TASK>
[  546.118282][ T8931]  dump_stack_lvl+0x1e7/0x2d0
[  546.123001][ T8931]  ? nf_tcp_handle_invalid+0x650/0x650
[  546.128452][ T8931]  ? panic+0x770/0x770
[  546.132523][ T8931]  sysfs_create_dir_ns+0x2ca/0x390
[  546.137888][ T8931]  ? sysfs_warn_dup+0xa0/0xa0
[  546.142590][ T8931]  kobject_add_internal+0x61d/0xc30
[  546.147871][ T8931]  kobject_add+0x152/0x210
[  546.152449][ T8931]  ? kobject_put+0x3e4/0x430
[  546.157117][ T8931]  ? kobject_init+0x1f0/0x1f0
[  546.161878][ T8931]  ? get_device_parent+0x25d/0x410
[  546.167023][ T8931]  ? device_add+0x30f/0xc90
[  546.171521][ T8931]  device_add+0x449/0xc90
[  546.175932][ T8931]  tty_register_device_attr+0x437/0x960
[  546.182534][ T8931]  ? tty_register_device+0x30/0x30
[  546.188079][ T8931]  ? gsm_dlci_alloc+0x354/0x6e0
[  546.193387][ T8931]  gsm_activate_mux+0xe9/0x290
[  546.198148][ T8931]  gsmld_ioctl+0x1858/0x25b0
[  546.202730][ T8931]  ? tomoyo_path_number_perm+0x663/0x840
[  546.208365][ T8931]  ? gsmld_write+0x120/0x120
[  546.212953][ T8931]  ? __vt_event_wait+0x240/0x240
[  546.217891][ T8931]  ? ldsem_down_read+0xb4/0xe0
[  546.222649][ T8931]  ? gsmld_write+0x120/0x120
[  546.227227][ T8931]  tty_ioctl+0x98c/0xda0
[  546.231461][ T8931]  ? security_file_ioctl+0x81/0xa0
[  546.236568][ T8931]  ? tty_get_icount+0xb0/0xb0
[  546.241409][ T8931]  __se_sys_ioctl+0xf8/0x170
[  546.246077][ T8931]  do_syscall_64+0x41/0xc0
[  546.250486][ T8931]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  546.256551][ T8931] RIP: 0033:0x7f68b62c56e9
[  546.260966][ T8931] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  546.280923][ T8931] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  546.289508][ T8931] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  546.297562][ T8931] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  546.305814][ T8931] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  546.313790][ T8931] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  546.321927][ T8931] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  546.330158][ T8931]  </TASK>
[  546.337911][ T8931] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.357175][ T8932] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.365723][ T8932] CPU: 1 PID: 8932 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  546.375802][ T8932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  546.385978][ T8932] Call Trace:
[  546.389254][ T8932]  <TASK>
[  546.392176][ T8932]  dump_stack_lvl+0x1e7/0x2d0
[  546.398313][ T8932]  ? nf_tcp_handle_invalid+0x650/0x650
[  546.403854][ T8932]  ? panic+0x770/0x770
[  546.407920][ T8932]  sysfs_create_dir_ns+0x2ca/0x390
[  546.413144][ T8932]  ? sysfs_warn_dup+0xa0/0xa0
[  546.417921][ T8932]  kobject_add_internal+0x61d/0xc30
[  546.423140][ T8932]  kobject_add+0x152/0x210
[  546.427575][ T8932]  ? kobject_put+0x3e4/0x430
[  546.432258][ T8932]  ? kobject_init+0x1f0/0x1f0
[  546.436941][ T8932]  ? get_device_parent+0x25d/0x410
[  546.442223][ T8932]  ? device_add+0x30f/0xc90
[  546.446811][ T8932]  device_add+0x449/0xc90
[  546.451147][ T8932]  tty_register_device_attr+0x437/0x960
[  546.456693][ T8932]  ? tty_register_device+0x30/0x30
[  546.461886][ T8932]  ? gsm_dlci_alloc+0x354/0x6e0
[  546.466730][ T8932]  gsm_activate_mux+0xe9/0x290
[  546.471488][ T8932]  gsmld_ioctl+0x1858/0x25b0
[  546.476241][ T8932]  ? tomoyo_path_number_perm+0x663/0x840
[  546.481906][ T8932]  ? gsmld_write+0x120/0x120
[  546.486762][ T8932]  ? __vt_event_wait+0x240/0x240
[  546.491726][ T8932]  ? ldsem_down_read+0xb4/0xe0
[  546.496508][ T8932]  ? gsmld_write+0x120/0x120
[  546.501201][ T8932]  tty_ioctl+0x98c/0xda0
[  546.505631][ T8932]  ? security_file_ioctl+0x81/0xa0
[  546.510930][ T8932]  ? tty_get_icount+0xb0/0xb0
[  546.515614][ T8932]  __se_sys_ioctl+0xf8/0x170
[  546.520201][ T8932]  do_syscall_64+0x41/0xc0
[  546.524786][ T8932]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  546.530759][ T8932] RIP: 0033:0x7f68b62c56e9
[  546.535360][ T8932] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  546.554983][ T8932] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  546.563402][ T8932] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  546.571464][ T8932] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  546.579439][ T8932] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  546.587576][ T8932] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  546.595887][ T8932] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  546.603958][ T8932]  </TASK>
[  546.632386][ T8932] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.827451][ T8935] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.838297][ T8935] CPU: 0 PID: 8935 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  546.849364][ T8935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  546.859629][ T8935] Call Trace:
[  546.862950][ T8935]  <TASK>
[  546.865973][ T8935]  dump_stack_lvl+0x1e7/0x2d0
[  546.870769][ T8935]  ? nf_tcp_handle_invalid+0x650/0x650
[  546.876352][ T8935]  ? panic+0x770/0x770
[  546.880468][ T8935]  sysfs_create_dir_ns+0x2ca/0x390
[  546.885797][ T8935]  ? sysfs_warn_dup+0xa0/0xa0
[  546.890530][ T8935]  kobject_add_internal+0x61d/0xc30
[  546.895951][ T8935]  kobject_add+0x152/0x210
[  546.900581][ T8935]  ? kobject_put+0x3e4/0x430
[  546.905303][ T8935]  ? kobject_init+0x1f0/0x1f0
[  546.910021][ T8935]  ? get_device_parent+0x25d/0x410
[  546.915178][ T8935]  ? device_add+0x30f/0xc90
[  546.919899][ T8935]  device_add+0x449/0xc90
[  546.924262][ T8935]  tty_register_device_attr+0x437/0x960
[  546.929933][ T8935]  ? tty_register_device+0x30/0x30
[  546.935086][ T8935]  ? gsm_dlci_alloc+0x354/0x6e0
[  546.940143][ T8935]  gsm_activate_mux+0xe9/0x290
[  546.945117][ T8935]  gsmld_ioctl+0x1858/0x25b0
[  546.949929][ T8935]  ? tomoyo_path_number_perm+0x663/0x840
[  546.955959][ T8935]  ? gsmld_write+0x120/0x120
[  546.960648][ T8935]  ? __vt_event_wait+0x240/0x240
[  546.966155][ T8935]  ? ldsem_down_read+0xb4/0xe0
[  546.971220][ T8935]  ? gsmld_write+0x120/0x120
[  546.975876][ T8935]  tty_ioctl+0x98c/0xda0
[  546.980151][ T8935]  ? security_file_ioctl+0x81/0xa0
[  546.985475][ T8935]  ? tty_get_icount+0xb0/0xb0
[  546.990320][ T8935]  __se_sys_ioctl+0xf8/0x170
[  546.995207][ T8935]  do_syscall_64+0x41/0xc0
[  546.999654][ T8935]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  547.005678][ T8935] RIP: 0033:0x7f68b62c56e9
[  547.010375][ T8935] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  547.030148][ T8935] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  547.039244][ T8935] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  547.047260][ T8935] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  547.055302][ T8935] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  547.063693][ T8935] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  547.071659][ T8935] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  547.079720][ T8935]  </TASK>
[  547.086170][ T8935] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.251198][ T8938] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  547.268566][ T8938] CPU: 0 PID: 8938 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  547.278768][ T8938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  547.288963][ T8938] Call Trace:
[  547.292263][ T8938]  <TASK>
[  547.295295][ T8938]  dump_stack_lvl+0x1e7/0x2d0
[  547.300004][ T8938]  ? nf_tcp_handle_invalid+0x650/0x650
[  547.305483][ T8938]  ? panic+0x770/0x770
[  547.309578][ T8938]  sysfs_create_dir_ns+0x2ca/0x390
[  547.314805][ T8938]  ? sysfs_warn_dup+0xa0/0xa0
[  547.319694][ T8938]  kobject_add_internal+0x61d/0xc30
[  547.325102][ T8938]  kobject_add+0x152/0x210
[  547.329871][ T8938]  ? kobject_put+0x3e4/0x430
[  547.334719][ T8938]  ? kobject_init+0x1f0/0x1f0
[  547.339601][ T8938]  ? get_device_parent+0x25d/0x410
[  547.344925][ T8938]  ? device_add+0x30f/0xc90
[  547.349553][ T8938]  device_add+0x449/0xc90
[  547.354270][ T8938]  tty_register_device_attr+0x437/0x960
[  547.359852][ T8938]  ? tty_register_device+0x30/0x30
[  547.364995][ T8938]  ? gsm_dlci_alloc+0x354/0x6e0
[  547.369968][ T8938]  gsm_activate_mux+0xe9/0x290
[  547.374862][ T8938]  gsmld_ioctl+0x1858/0x25b0
[  547.379479][ T8938]  ? tomoyo_path_number_perm+0x663/0x840
[  547.385150][ T8938]  ? gsmld_write+0x120/0x120
[  547.389946][ T8938]  ? __vt_event_wait+0x240/0x240
[  547.394941][ T8938]  ? ldsem_down_read+0xb4/0xe0
[  547.399740][ T8938]  ? gsmld_write+0x120/0x120
[  547.404356][ T8938]  tty_ioctl+0x98c/0xda0
[  547.408639][ T8938]  ? security_file_ioctl+0x81/0xa0
[  547.413864][ T8938]  ? tty_get_icount+0xb0/0xb0
[  547.418650][ T8938]  __se_sys_ioctl+0xf8/0x170
[  547.423752][ T8938]  do_syscall_64+0x41/0xc0
[  547.428338][ T8938]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  547.434486][ T8938] RIP: 0033:0x7f68b62c56e9
[  547.438884][ T8938] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  547.459100][ T8938] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  547.467763][ T8938] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  547.475816][ T8938] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  547.483798][ T8938] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  547.491925][ T8938] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  547.500232][ T8938] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  547.508223][ T8938]  </TASK>
[  547.512269][ T8938] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.688681][ T8941] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  547.718654][ T8941] CPU: 0 PID: 8941 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  547.728865][ T8941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  547.739125][ T8941] Call Trace:
[  547.742413][ T8941]  <TASK>
[  547.745631][ T8941]  dump_stack_lvl+0x1e7/0x2d0
[  547.750343][ T8941]  ? nf_tcp_handle_invalid+0x650/0x650
[  547.756016][ T8941]  ? panic+0x770/0x770
[  547.760140][ T8941]  sysfs_create_dir_ns+0x2ca/0x390
[  547.765471][ T8941]  ? sysfs_warn_dup+0xa0/0xa0
[  547.770276][ T8941]  kobject_add_internal+0x61d/0xc30
[  547.775618][ T8941]  kobject_add+0x152/0x210
[  547.780068][ T8941]  ? kobject_put+0x3e4/0x430
[  547.784691][ T8941]  ? kobject_init+0x1f0/0x1f0
[  547.789410][ T8941]  ? get_device_parent+0x25d/0x410
[  547.794655][ T8941]  ? device_add+0x30f/0xc90
[  547.799450][ T8941]  device_add+0x449/0xc90
[  547.803900][ T8941]  tty_register_device_attr+0x437/0x960
[  547.809580][ T8941]  ? tty_register_device+0x30/0x30
[  547.814814][ T8941]  ? gsm_dlci_alloc+0x354/0x6e0
[  547.819689][ T8941]  gsm_activate_mux+0xe9/0x290
[  547.824593][ T8941]  gsmld_ioctl+0x1858/0x25b0
[  547.829208][ T8941]  ? tomoyo_path_number_perm+0x663/0x840
[  547.835051][ T8941]  ? gsmld_write+0x120/0x120
[  547.839667][ T8941]  ? __vt_event_wait+0x240/0x240
[  547.844703][ T8941]  ? ldsem_down_read+0xb4/0xe0
[  547.849487][ T8941]  ? gsmld_write+0x120/0x120
[  547.854072][ T8941]  tty_ioctl+0x98c/0xda0
[  547.858396][ T8941]  ? security_file_ioctl+0x81/0xa0
[  547.863535][ T8941]  ? tty_get_icount+0xb0/0xb0
[  547.868339][ T8941]  __se_sys_ioctl+0xf8/0x170
[  547.873018][ T8941]  do_syscall_64+0x41/0xc0
[  547.877515][ T8941]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  547.883503][ T8941] RIP: 0033:0x7f68b62c56e9
[  547.888281][ T8941] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  547.908398][ T8941] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  547.918193][ T8941] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  547.926344][ T8941] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  547.934674][ T8941] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  547.942785][ T8941] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  547.950860][ T8941] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  547.958834][ T8941]  </TASK>
[  547.964010][ T8941] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.136749][ T8944] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  548.147642][ T8944] CPU: 0 PID: 8944 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  548.157868][ T8944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  548.168464][ T8944] Call Trace:
[  548.171791][ T8944]  <TASK>
[  548.174740][ T8944]  dump_stack_lvl+0x1e7/0x2d0
[  548.179616][ T8944]  ? nf_tcp_handle_invalid+0x650/0x650
[  548.185111][ T8944]  ? panic+0x770/0x770
[  548.189333][ T8944]  sysfs_create_dir_ns+0x2ca/0x390
[  548.194476][ T8944]  ? sysfs_warn_dup+0xa0/0xa0
[  548.199290][ T8944]  kobject_add_internal+0x61d/0xc30
[  548.204682][ T8944]  kobject_add+0x152/0x210
[  548.209221][ T8944]  ? kobject_put+0x3e4/0x430
[  548.214106][ T8944]  ? kobject_init+0x1f0/0x1f0
[  548.219021][ T8944]  ? get_device_parent+0x25d/0x410
[  548.224258][ T8944]  ? device_add+0x30f/0xc90
[  548.229075][ T8944]  device_add+0x449/0xc90
[  548.233484][ T8944]  tty_register_device_attr+0x437/0x960
[  548.239063][ T8944]  ? tty_register_device+0x30/0x30
[  548.244465][ T8944]  ? gsm_dlci_alloc+0x354/0x6e0
[  548.249359][ T8944]  gsm_activate_mux+0xe9/0x290
[  548.254152][ T8944]  gsmld_ioctl+0x1858/0x25b0
[  548.258801][ T8944]  ? tomoyo_path_number_perm+0x663/0x840
[  548.264474][ T8944]  ? gsmld_write+0x120/0x120
[  548.269099][ T8944]  ? __vt_event_wait+0x240/0x240
[  548.274091][ T8944]  ? ldsem_down_read+0xb4/0xe0
[  548.278889][ T8944]  ? gsmld_write+0x120/0x120
[  548.283518][ T8944]  tty_ioctl+0x98c/0xda0
[  548.287789][ T8944]  ? security_file_ioctl+0x81/0xa0
[  548.292934][ T8944]  ? tty_get_icount+0xb0/0xb0
[  548.297993][ T8944]  __se_sys_ioctl+0xf8/0x170
[  548.302709][ T8944]  do_syscall_64+0x41/0xc0
[  548.307870][ T8944]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  548.313967][ T8944] RIP: 0033:0x7f68b62c56e9
[  548.318495][ T8944] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  548.338486][ T8944] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  548.346897][ T8944] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  548.355040][ T8944] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  548.363101][ T8944] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  548.371252][ T8944] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  548.379583][ T8944] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  548.388187][ T8944]  </TASK>
[  548.393282][ T8944] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.564458][ T8948] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  548.595245][ T8948] CPU: 1 PID: 8948 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  548.605481][ T8948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  548.615571][ T8948] Call Trace:
[  548.619027][ T8948]  <TASK>
[  548.621959][ T8948]  dump_stack_lvl+0x1e7/0x2d0
[  548.626758][ T8948]  ? nf_tcp_handle_invalid+0x650/0x650
[  548.632211][ T8948]  ? panic+0x770/0x770
[  548.636542][ T8948]  sysfs_create_dir_ns+0x2ca/0x390
[  548.641651][ T8948]  ? sysfs_warn_dup+0xa0/0xa0
[  548.646411][ T8948]  kobject_add_internal+0x61d/0xc30
[  548.651695][ T8948]  kobject_add+0x152/0x210
[  548.656115][ T8948]  ? kobject_put+0x3e4/0x430
[  548.660782][ T8948]  ? kobject_init+0x1f0/0x1f0
[  548.665455][ T8948]  ? get_device_parent+0x25d/0x410
[  548.670649][ T8948]  ? device_add+0x30f/0xc90
[  548.675735][ T8948]  device_add+0x449/0xc90
[  548.680059][ T8948]  tty_register_device_attr+0x437/0x960
[  548.685599][ T8948]  ? tty_register_device+0x30/0x30
[  548.690713][ T8948]  ? gsm_dlci_alloc+0x354/0x6e0
[  548.695559][ T8948]  gsm_activate_mux+0xe9/0x290
[  548.700314][ T8948]  gsmld_ioctl+0x1858/0x25b0
[  548.705156][ T8948]  ? tomoyo_path_number_perm+0x663/0x840
[  548.710791][ T8948]  ? gsmld_write+0x120/0x120
[  548.715376][ T8948]  ? __vt_event_wait+0x240/0x240
[  548.720490][ T8948]  ? ldsem_down_read+0xb4/0xe0
[  548.725336][ T8948]  ? gsmld_write+0x120/0x120
[  548.730352][ T8948]  tty_ioctl+0x98c/0xda0
[  548.734762][ T8948]  ? security_file_ioctl+0x81/0xa0
[  548.740040][ T8948]  ? tty_get_icount+0xb0/0xb0
[  548.744809][ T8948]  __se_sys_ioctl+0xf8/0x170
[  548.749398][ T8948]  do_syscall_64+0x41/0xc0
[  548.754019][ T8948]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  548.760578][ T8948] RIP: 0033:0x7f68b62c56e9
[  548.765452][ T8948] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  548.785795][ T8948] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  548.795096][ T8948] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  548.803264][ T8948] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  548.811431][ T8948] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  548.819404][ T8948] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  548.827391][ T8948] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  548.835495][ T8948]  </TASK>
[  548.847573][ T8948] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.862730][ T8949] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  548.876410][ T8949] CPU: 0 PID: 8949 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  548.886703][ T8949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  548.897056][ T8949] Call Trace:
[  548.900442][ T8949]  <TASK>
[  548.903496][ T8949]  dump_stack_lvl+0x1e7/0x2d0
[  548.908385][ T8949]  ? nf_tcp_handle_invalid+0x650/0x650
[  548.914056][ T8949]  ? panic+0x770/0x770
[  548.918172][ T8949]  sysfs_create_dir_ns+0x2ca/0x390
[  548.923406][ T8949]  ? sysfs_warn_dup+0xa0/0xa0
[  548.928122][ T8949]  kobject_add_internal+0x61d/0xc30
[  548.933371][ T8949]  kobject_add+0x152/0x210
[  548.937947][ T8949]  ? kobject_put+0x3e4/0x430
[  548.942584][ T8949]  ? kobject_init+0x1f0/0x1f0
[  548.947304][ T8949]  ? get_device_parent+0x25d/0x410
[  548.952460][ T8949]  ? device_add+0x30f/0xc90
[  548.957013][ T8949]  device_add+0x449/0xc90
[  548.961392][ T8949]  tty_register_device_attr+0x437/0x960
[  548.967115][ T8949]  ? tty_register_device+0x30/0x30
[  548.972648][ T8949]  ? gsm_dlci_alloc+0x354/0x6e0
[  548.978513][ T8949]  gsm_activate_mux+0xe9/0x290
[  548.984102][ T8949]  gsmld_ioctl+0x1858/0x25b0
[  548.988990][ T8949]  ? tomoyo_path_number_perm+0x663/0x840
[  548.994941][ T8949]  ? gsmld_write+0x120/0x120
[  548.999624][ T8949]  ? __vt_event_wait+0x240/0x240
[  549.004875][ T8949]  ? ldsem_down_read+0xb4/0xe0
[  549.009844][ T8949]  ? gsmld_write+0x120/0x120
[  549.014695][ T8949]  tty_ioctl+0x98c/0xda0
[  549.018952][ T8949]  ? security_file_ioctl+0x81/0xa0
[  549.024386][ T8949]  ? tty_get_icount+0xb0/0xb0
[  549.030240][ T8949]  __se_sys_ioctl+0xf8/0x170
[  549.034849][ T8949]  do_syscall_64+0x41/0xc0
[  549.039389][ T8949]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  549.045397][ T8949] RIP: 0033:0x7f68b62c56e9
[  549.050622][ T8949] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  549.070953][ T8949] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  549.079902][ T8949] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  549.088310][ T8949] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  549.097041][ T8949] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  549.105685][ T8949] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  549.114031][ T8949] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  549.122360][ T8949]  </TASK>
[  549.126445][ T8949] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.296454][ T8952] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  549.310911][ T8952] CPU: 0 PID: 8952 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  549.321373][ T8952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  549.331720][ T8952] Call Trace:
[  549.335022][ T8952]  <TASK>
[  549.337994][ T8952]  dump_stack_lvl+0x1e7/0x2d0
[  549.343331][ T8952]  ? nf_tcp_handle_invalid+0x650/0x650
[  549.349021][ T8952]  ? panic+0x770/0x770
[  549.353139][ T8952]  sysfs_create_dir_ns+0x2ca/0x390
[  549.358658][ T8952]  ? sysfs_warn_dup+0xa0/0xa0
[  549.363571][ T8952]  kobject_add_internal+0x61d/0xc30
[  549.368905][ T8952]  kobject_add+0x152/0x210
[  549.373430][ T8952]  ? kobject_put+0x3e4/0x430
[  549.378054][ T8952]  ? kobject_init+0x1f0/0x1f0
[  549.383478][ T8952]  ? get_device_parent+0x25d/0x410
[  549.389387][ T8952]  ? device_add+0x30f/0xc90
[  549.394066][ T8952]  device_add+0x449/0xc90
[  549.398485][ T8952]  tty_register_device_attr+0x437/0x960
[  549.404047][ T8952]  ? tty_register_device+0x30/0x30
[  549.409254][ T8952]  ? gsm_dlci_alloc+0x354/0x6e0
[  549.414429][ T8952]  gsm_activate_mux+0xe9/0x290
[  549.419484][ T8952]  gsmld_ioctl+0x1858/0x25b0
[  549.424179][ T8952]  ? tomoyo_path_number_perm+0x663/0x840
[  549.429856][ T8952]  ? gsmld_write+0x120/0x120
[  549.434463][ T8952]  ? __vt_event_wait+0x240/0x240
[  549.439412][ T8952]  ? ldsem_down_read+0xb4/0xe0
[  549.444265][ T8952]  ? gsmld_write+0x120/0x120
[  549.449025][ T8952]  tty_ioctl+0x98c/0xda0
[  549.453388][ T8952]  ? security_file_ioctl+0x81/0xa0
[  549.458898][ T8952]  ? tty_get_icount+0xb0/0xb0
[  549.464040][ T8952]  __se_sys_ioctl+0xf8/0x170
[  549.469798][ T8952]  do_syscall_64+0x41/0xc0
[  549.475319][ T8952]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  549.481416][ T8952] RIP: 0033:0x7f68b62c56e9
[  549.485827][ T8952] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  549.506750][ T8952] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  549.515508][ T8952] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  549.524033][ T8952] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  549.532310][ T8952] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  549.540668][ T8952] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  549.548913][ T8952] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  549.557699][ T8952]  </TASK>
[  549.561733][ T8953] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  549.570687][ T8953] CPU: 0 PID: 8953 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  549.580848][ T8953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  549.592072][ T8953] Call Trace:
[  549.595922][ T8953]  <TASK>
[  549.598970][ T8953]  dump_stack_lvl+0x1e7/0x2d0
[  549.604395][ T8953]  ? nf_tcp_handle_invalid+0x650/0x650
[  549.610364][ T8953]  ? panic+0x770/0x770
[  549.614576][ T8953]  sysfs_create_dir_ns+0x2ca/0x390
[  549.620166][ T8953]  ? sysfs_warn_dup+0xa0/0xa0
[  549.624955][ T8953]  kobject_add_internal+0x61d/0xc30
[  549.630423][ T8953]  kobject_add+0x152/0x210
[  549.634961][ T8953]  ? kobject_put+0x3e4/0x430
[  549.641760][ T8953]  ? kobject_init+0x1f0/0x1f0
[  549.646656][ T8953]  ? get_device_parent+0x25d/0x410
[  549.651820][ T8953]  ? device_add+0x30f/0xc90
[  549.656457][ T8953]  device_add+0x449/0xc90
[  549.660980][ T8953]  tty_register_device_attr+0x437/0x960
[  549.666709][ T8953]  ? tty_register_device+0x30/0x30
[  549.672002][ T8953]  ? gsm_dlci_alloc+0x354/0x6e0
[  549.677333][ T8953]  gsm_activate_mux+0xe9/0x290
[  549.682445][ T8953]  gsmld_ioctl+0x1858/0x25b0
[  549.687316][ T8953]  ? tomoyo_path_number_perm+0x663/0x840
[  549.693328][ T8953]  ? gsmld_write+0x120/0x120
[  549.698753][ T8953]  ? __vt_event_wait+0x240/0x240
[  549.703708][ T8953]  ? ldsem_down_read+0xb4/0xe0
[  549.708681][ T8953]  ? gsmld_write+0x120/0x120
[  549.713678][ T8953]  tty_ioctl+0x98c/0xda0
[  549.718758][ T8953]  ? security_file_ioctl+0x81/0xa0
[  549.724338][ T8953]  ? tty_get_icount+0xb0/0xb0
[  549.729226][ T8953]  __se_sys_ioctl+0xf8/0x170
[  549.733948][ T8953]  do_syscall_64+0x41/0xc0
[  549.738464][ T8953]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  549.744733][ T8953] RIP: 0033:0x7f68b62c56e9
[  549.749253][ T8953] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  549.772792][ T8953] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  549.781765][ T8953] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  549.790268][ T8953] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  549.798636][ T8953] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  549.807249][ T8953] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  549.815605][ T8953] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  549.823914][ T8953]  </TASK>
[  549.827915][ T8952] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.840299][ T8953] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.082480][ T8956] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.112800][ T8956] CPU: 1 PID: 8956 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  550.125075][ T8956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  550.134217][ T8957] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.136910][ T8956] Call Trace:
[  550.136934][ T8956]  <TASK>
[  550.136943][ T8956]  dump_stack_lvl+0x1e7/0x2d0
[  550.136977][ T8956]  ? nf_tcp_handle_invalid+0x650/0x650
[  550.136994][ T8956]  ? panic+0x770/0x770
[  550.137017][ T8956]  sysfs_create_dir_ns+0x2ca/0x390
[  550.137038][ T8956]  ? sysfs_warn_dup+0xa0/0xa0
[  550.137057][ T8956]  kobject_add_internal+0x61d/0xc30
[  550.188677][ T8956]  kobject_add+0x152/0x210
[  550.193601][ T8956]  ? kobject_put+0x3e4/0x430
[  550.198380][ T8956]  ? kobject_init+0x1f0/0x1f0
[  550.204167][ T8956]  ? get_device_parent+0x25d/0x410
[  550.210281][ T8956]  ? device_add+0x30f/0xc90
[  550.215644][ T8956]  device_add+0x449/0xc90
[  550.220964][ T8956]  tty_register_device_attr+0x437/0x960
[  550.228213][ T8956]  ? tty_register_device+0x30/0x30
[  550.234522][ T8956]  ? gsm_dlci_alloc+0x354/0x6e0
[  550.240031][ T8956]  gsm_activate_mux+0xe9/0x290
[  550.245028][ T8956]  gsmld_ioctl+0x1858/0x25b0
[  550.249907][ T8956]  ? tomoyo_path_number_perm+0x663/0x840
[  550.255753][ T8956]  ? gsmld_write+0x120/0x120
[  550.260444][ T8956]  ? __vt_event_wait+0x240/0x240
[  550.265496][ T8956]  ? ldsem_down_read+0xb4/0xe0
[  550.270538][ T8956]  ? gsmld_write+0x120/0x120
[  550.275312][ T8956]  tty_ioctl+0x98c/0xda0
[  550.279748][ T8956]  ? security_file_ioctl+0x81/0xa0
[  550.284893][ T8956]  ? tty_get_icount+0xb0/0xb0
[  550.290043][ T8956]  __se_sys_ioctl+0xf8/0x170
[  550.294676][ T8956]  do_syscall_64+0x41/0xc0
[  550.299305][ T8956]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  550.306019][ T8956] RIP: 0033:0x7f68b62c56e9
[  550.310550][ T8956] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  550.331151][ T8956] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  550.339871][ T8956] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  550.349090][ T8956] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  550.357802][ T8956] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  550.366330][ T8956] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  550.374807][ T8956] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  550.383815][ T8956]  </TASK>
[  550.390855][ T8957] CPU: 1 PID: 8957 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  550.399398][ T8956] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.403744][ T8957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  550.430184][ T8957] Call Trace:
[  550.434106][ T8957]  <TASK>
[  550.438150][ T8957]  dump_stack_lvl+0x1e7/0x2d0
[  550.443561][ T8957]  ? nf_tcp_handle_invalid+0x650/0x650
[  550.450650][ T8957]  ? panic+0x770/0x770
[  550.454785][ T8957]  sysfs_create_dir_ns+0x2ca/0x390
[  550.460318][ T8957]  ? sysfs_warn_dup+0xa0/0xa0
[  550.465273][ T8957]  kobject_add_internal+0x61d/0xc30
[  550.470517][ T8957]  kobject_add+0x152/0x210
[  550.475559][ T8957]  ? kobject_put+0x3e4/0x430
[  550.480303][ T8957]  ? kobject_init+0x1f0/0x1f0
[  550.485212][ T8957]  ? get_device_parent+0x25d/0x410
[  550.490423][ T8957]  ? device_add+0x30f/0xc90
[  550.496014][ T8957]  device_add+0x449/0xc90
[  550.501358][ T8957]  tty_register_device_attr+0x437/0x960
[  550.507138][ T8957]  ? tty_register_device+0x30/0x30
[  550.513006][ T8957]  ? gsm_dlci_alloc+0x354/0x6e0
[  550.517856][ T8957]  gsm_activate_mux+0xe9/0x290
[  550.522708][ T8957]  gsmld_ioctl+0x1858/0x25b0
[  550.527298][ T8957]  ? tomoyo_path_number_perm+0x663/0x840
[  550.533217][ T8957]  ? gsmld_write+0x120/0x120
[  550.538096][ T8957]  ? __vt_event_wait+0x240/0x240
[  550.543162][ T8957]  ? ldsem_down_read+0xb4/0xe0
[  550.548195][ T8957]  ? gsmld_write+0x120/0x120
[  550.552787][ T8957]  tty_ioctl+0x98c/0xda0
[  550.557142][ T8957]  ? security_file_ioctl+0x81/0xa0
[  550.562454][ T8957]  ? tty_get_icount+0xb0/0xb0
[  550.567285][ T8957]  __se_sys_ioctl+0xf8/0x170
[  550.571894][ T8957]  do_syscall_64+0x41/0xc0
[  550.576469][ T8957]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  550.582759][ T8957] RIP: 0033:0x7f68b62c56e9
[  550.587476][ T8957] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  550.608644][ T8957] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  550.617519][ T8957] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  550.626073][ T8957] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  550.634764][ T8957] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  550.643699][ T8957] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  550.652130][ T8957] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  550.660479][ T8957]  </TASK>
[  550.666123][ T8957] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.843258][ T8960] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.873871][ T8960] CPU: 0 PID: 8960 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  550.885834][ T8960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  550.897485][ T8960] Call Trace:
[  550.901658][ T8960]  <TASK>
[  550.904898][ T8960]  dump_stack_lvl+0x1e7/0x2d0
[  550.909621][ T8960]  ? nf_tcp_handle_invalid+0x650/0x650
[  550.915376][ T8960]  ? panic+0x770/0x770
[  550.919856][ T8960]  sysfs_create_dir_ns+0x2ca/0x390
[  550.926478][ T8960]  ? sysfs_warn_dup+0xa0/0xa0
[  550.932080][ T8960]  kobject_add_internal+0x61d/0xc30
[  550.937438][ T8960]  kobject_add+0x152/0x210
[  550.942918][ T8960]  ? kobject_put+0x3e4/0x430
[  550.947610][ T8960]  ? kobject_init+0x1f0/0x1f0
[  550.952590][ T8960]  ? get_device_parent+0x25d/0x410
[  550.958390][ T8960]  ? device_add+0x30f/0xc90
[  550.963025][ T8960]  device_add+0x449/0xc90
[  550.968318][ T8960]  tty_register_device_attr+0x437/0x960
[  550.975643][ T8960]  ? tty_register_device+0x30/0x30
[  550.981045][ T8960]  ? gsm_dlci_alloc+0x354/0x6e0
[  550.987185][ T8960]  gsm_activate_mux+0xe9/0x290
[  550.992588][ T8960]  gsmld_ioctl+0x1858/0x25b0
[  550.997555][ T8960]  ? tomoyo_path_number_perm+0x663/0x840
[  551.003964][ T8960]  ? gsmld_write+0x120/0x120
[  551.008568][ T8960]  ? __vt_event_wait+0x240/0x240
[  551.013680][ T8960]  ? ldsem_down_read+0xb4/0xe0
[  551.018702][ T8960]  ? gsmld_write+0x120/0x120
[  551.023298][ T8960]  tty_ioctl+0x98c/0xda0
[  551.027665][ T8960]  ? security_file_ioctl+0x81/0xa0
[  551.032790][ T8960]  ? tty_get_icount+0xb0/0xb0
[  551.037476][ T8960]  __se_sys_ioctl+0xf8/0x170
[  551.042098][ T8960]  do_syscall_64+0x41/0xc0
[  551.046619][ T8960]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  551.052968][ T8960] RIP: 0033:0x7f68b62c56e9
[  551.057477][ T8960] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  551.077722][ T8960] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  551.086865][ T8960] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  551.095444][ T8960] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  551.105405][ T8960] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  551.115122][ T8960] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  551.123350][ T8960] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  551.131330][ T8960]  </TASK>
[  551.141115][ T8960] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.366422][ T8963] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.374892][ T8963] CPU: 1 PID: 8963 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  551.385346][ T8963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  551.396117][ T8963] Call Trace:
[  551.399426][ T8963]  <TASK>
[  551.402462][ T8963]  dump_stack_lvl+0x1e7/0x2d0
[  551.407353][ T8963]  ? nf_tcp_handle_invalid+0x650/0x650
[  551.413268][ T8963]  ? panic+0x770/0x770
[  551.417438][ T8963]  sysfs_create_dir_ns+0x2ca/0x390
[  551.422661][ T8963]  ? sysfs_warn_dup+0xa0/0xa0
[  551.427596][ T8963]  kobject_add_internal+0x61d/0xc30
[  551.432883][ T8963]  kobject_add+0x152/0x210
[  551.437436][ T8963]  ? kobject_put+0x3e4/0x430
[  551.442215][ T8963]  ? kobject_init+0x1f0/0x1f0
[  551.446981][ T8963]  ? get_device_parent+0x25d/0x410
[  551.452171][ T8963]  ? device_add+0x30f/0xc90
[  551.456677][ T8963]  device_add+0x449/0xc90
[  551.461177][ T8963]  tty_register_device_attr+0x437/0x960
[  551.466813][ T8963]  ? tty_register_device+0x30/0x30
[  551.472009][ T8963]  ? gsm_dlci_alloc+0x354/0x6e0
[  551.477027][ T8963]  gsm_activate_mux+0xe9/0x290
[  551.481873][ T8963]  gsmld_ioctl+0x1858/0x25b0
[  551.486452][ T8963]  ? tomoyo_path_number_perm+0x663/0x840
[  551.492086][ T8963]  ? gsmld_write+0x120/0x120
[  551.496842][ T8963]  ? __vt_event_wait+0x240/0x240
[  551.501956][ T8963]  ? ldsem_down_read+0xb4/0xe0
[  551.506903][ T8963]  ? gsmld_write+0x120/0x120
[  551.511745][ T8963]  tty_ioctl+0x98c/0xda0
[  551.516153][ T8963]  ? security_file_ioctl+0x81/0xa0
[  551.521369][ T8963]  ? tty_get_icount+0xb0/0xb0
[  551.526161][ T8963]  __se_sys_ioctl+0xf8/0x170
[  551.531109][ T8963]  do_syscall_64+0x41/0xc0
[  551.535639][ T8963]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  551.542342][ T8963] RIP: 0033:0x7f68b62c56e9
[  551.546775][ T8963] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  551.567300][ T8963] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  551.576250][ T8963] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  551.584516][ T8963] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  551.592916][ T8963] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  551.600990][ T8963] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  551.609176][ T8963] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  551.617293][ T8963]  </TASK>
[  551.622133][ T8964] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.631211][ T8964] CPU: 0 PID: 8964 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  551.632356][ T8963] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.641681][ T8964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  551.641699][ T8964] Call Trace:
[  551.641707][ T8964]  <TASK>
[  551.641714][ T8964]  dump_stack_lvl+0x1e7/0x2d0
[  551.641742][ T8964]  ? nf_tcp_handle_invalid+0x650/0x650
[  551.682999][ T8964]  ? panic+0x770/0x770
[  551.687289][ T8964]  sysfs_create_dir_ns+0x2ca/0x390
[  551.692856][ T8964]  ? sysfs_warn_dup+0xa0/0xa0
[  551.697898][ T8964]  kobject_add_internal+0x61d/0xc30
[  551.703446][ T8964]  kobject_add+0x152/0x210
[  551.707944][ T8964]  ? kobject_put+0x3e4/0x430
[  551.712551][ T8964]  ? kobject_init+0x1f0/0x1f0
[  551.717397][ T8964]  ? get_device_parent+0x25d/0x410
[  551.722619][ T8964]  ? device_add+0x30f/0xc90
[  551.727146][ T8964]  device_add+0x449/0xc90
[  551.731855][ T8964]  tty_register_device_attr+0x437/0x960
[  551.737416][ T8964]  ? tty_register_device+0x30/0x30
[  551.742905][ T8964]  ? gsm_dlci_alloc+0x354/0x6e0
[  551.748388][ T8964]  gsm_activate_mux+0xe9/0x290
[  551.754449][ T8964]  gsmld_ioctl+0x1858/0x25b0
[  551.760406][ T8964]  ? tomoyo_path_number_perm+0x663/0x840
[  551.766423][ T8964]  ? gsmld_write+0x120/0x120
[  551.771059][ T8964]  ? __vt_event_wait+0x240/0x240
[  551.776651][ T8964]  ? ldsem_down_read+0xb4/0xe0
[  551.781623][ T8964]  ? gsmld_write+0x120/0x120
[  551.786325][ T8964]  tty_ioctl+0x98c/0xda0
[  551.790588][ T8964]  ? security_file_ioctl+0x81/0xa0
[  551.796060][ T8964]  ? tty_get_icount+0xb0/0xb0
[  551.801479][ T8964]  __se_sys_ioctl+0xf8/0x170
[  551.806345][ T8964]  do_syscall_64+0x41/0xc0
[  551.810759][ T8964]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  551.816842][ T8964] RIP: 0033:0x7f68b62c56e9
[  551.821404][ T8964] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  551.841480][ T8964] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  551.849929][ T8964] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  551.857985][ T8964] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  551.866053][ T8964] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  551.874130][ T8964] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  551.882127][ T8964] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  551.890389][ T8964]  </TASK>
[  551.899552][ T8964] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.134806][ T8967] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  552.153969][ T8967] CPU: 1 PID: 8967 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  552.164619][ T8967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  552.177137][ T8967] Call Trace:
[  552.180783][ T8967]  <TASK>
[  552.184006][ T8967]  dump_stack_lvl+0x1e7/0x2d0
[  552.188806][ T8967]  ? nf_tcp_handle_invalid+0x650/0x650
[  552.194487][ T8967]  ? panic+0x770/0x770
[  552.198724][ T8967]  sysfs_create_dir_ns+0x2ca/0x390
[  552.204171][ T8967]  ? sysfs_warn_dup+0xa0/0xa0
[  552.210100][ T8967]  kobject_add_internal+0x61d/0xc30
[  552.215521][ T8967]  kobject_add+0x152/0x210
[  552.220328][ T8967]  ? kobject_put+0x3e4/0x430
[  552.225229][ T8967]  ? kobject_init+0x1f0/0x1f0
[  552.230543][ T8967]  ? get_device_parent+0x25d/0x410
[  552.236164][ T8967]  ? device_add+0x30f/0xc90
[  552.240861][ T8967]  device_add+0x449/0xc90
[  552.245188][ T8967]  tty_register_device_attr+0x437/0x960
[  552.250736][ T8967]  ? tty_register_device+0x30/0x30
[  552.256082][ T8967]  ? gsm_dlci_alloc+0x354/0x6e0
[  552.260956][ T8967]  gsm_activate_mux+0xe9/0x290
[  552.265925][ T8967]  gsmld_ioctl+0x1858/0x25b0
[  552.270608][ T8967]  ? tomoyo_path_number_perm+0x663/0x840
[  552.276346][ T8967]  ? gsmld_write+0x120/0x120
[  552.280949][ T8967]  ? __vt_event_wait+0x240/0x240
[  552.285926][ T8967]  ? ldsem_down_read+0xb4/0xe0
[  552.290790][ T8967]  ? gsmld_write+0x120/0x120
[  552.295380][ T8967]  tty_ioctl+0x98c/0xda0
[  552.299704][ T8967]  ? security_file_ioctl+0x81/0xa0
[  552.305071][ T8967]  ? tty_get_icount+0xb0/0xb0
[  552.310095][ T8967]  __se_sys_ioctl+0xf8/0x170
[  552.315408][ T8967]  do_syscall_64+0x41/0xc0
[  552.320277][ T8967]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  552.326286][ T8967] RIP: 0033:0x7f68b62c56e9
[  552.330807][ T8967] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  552.351309][ T8967] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  552.359810][ T8967] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  552.368072][ T8967] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  552.376506][ T8967] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  552.385116][ T8967] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  552.394773][ T8967] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  552.403648][ T8967]  </TASK>
[  552.409052][ T8967] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.429429][ T8967] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  552.446327][ T8967] CPU: 0 PID: 8967 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  552.457056][ T8967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  552.467477][ T8967] Call Trace:
[  552.470780][ T8967]  <TASK>
[  552.473739][ T8967]  dump_stack_lvl+0x1e7/0x2d0
[  552.478530][ T8967]  ? nf_tcp_handle_invalid+0x650/0x650
[  552.484461][ T8967]  ? panic+0x770/0x770
[  552.488756][ T8967]  sysfs_create_dir_ns+0x2ca/0x390
[  552.493901][ T8967]  ? sysfs_warn_dup+0xa0/0xa0
[  552.498802][ T8967]  kobject_add_internal+0x61d/0xc30
[  552.504562][ T8967]  kobject_add+0x152/0x210
[  552.509272][ T8967]  ? kobject_put+0x3e4/0x430
[  552.514500][ T8967]  ? kobject_init+0x1f0/0x1f0
[  552.519278][ T8967]  ? get_device_parent+0x25d/0x410
[  552.524749][ T8967]  ? device_add+0x30f/0xc90
[  552.529271][ T8967]  device_add+0x449/0xc90
[  552.533691][ T8967]  tty_register_device_attr+0x437/0x960
[  552.539363][ T8967]  ? tty_register_device+0x30/0x30
[  552.544484][ T8967]  ? gsm_dlci_alloc+0x354/0x6e0
[  552.549319][ T8967]  gsm_activate_mux+0xe9/0x290
[  552.554243][ T8967]  gsmld_ioctl+0x1858/0x25b0
[  552.558919][ T8967]  ? tomoyo_path_number_perm+0x663/0x840
[  552.565776][ T8967]  ? gsmld_write+0x120/0x120
[  552.570473][ T8967]  ? __vt_event_wait+0x240/0x240
[  552.575529][ T8967]  ? ldsem_down_read+0xb4/0xe0
[  552.580490][ T8967]  ? gsmld_write+0x120/0x120
[  552.585087][ T8967]  tty_ioctl+0x98c/0xda0
[  552.589941][ T8967]  ? security_file_ioctl+0x81/0xa0
[  552.595407][ T8967]  ? tty_get_icount+0xb0/0xb0
[  552.600095][ T8967]  __se_sys_ioctl+0xf8/0x170
[  552.604684][ T8967]  do_syscall_64+0x41/0xc0
[  552.609175][ T8967]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  552.615159][ T8967] RIP: 0033:0x7f68b62c56e9
[  552.619681][ T8967] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  552.639985][ T8967] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  552.648402][ T8967] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  552.656454][ T8967] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  552.664521][ T8967] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  552.673113][ T8967] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  552.682343][ T8967] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  552.690936][ T8967]  </TASK>
[  552.695340][ T8967] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.877471][ T8970] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  552.897490][ T8970] CPU: 1 PID: 8970 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  552.908308][ T8970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  552.918750][ T8970] Call Trace:
[  552.922032][ T8970]  <TASK>
[  552.924957][ T8970]  dump_stack_lvl+0x1e7/0x2d0
[  552.930281][ T8970]  ? nf_tcp_handle_invalid+0x650/0x650
[  552.935943][ T8970]  ? panic+0x770/0x770
[  552.940140][ T8970]  sysfs_create_dir_ns+0x2ca/0x390
[  552.946147][ T8970]  ? sysfs_warn_dup+0xa0/0xa0
[  552.950925][ T8970]  kobject_add_internal+0x61d/0xc30
[  552.956903][ T8970]  kobject_add+0x152/0x210
[  552.961412][ T8970]  ? kobject_put+0x3e4/0x430
[  552.966192][ T8970]  ? kobject_init+0x1f0/0x1f0
[  552.971357][ T8970]  ? get_device_parent+0x25d/0x410
[  552.976836][ T8970]  ? device_add+0x30f/0xc90
[  552.981891][ T8970]  device_add+0x449/0xc90
[  552.986538][ T8970]  tty_register_device_attr+0x437/0x960
[  552.992470][ T8970]  ? tty_register_device+0x30/0x30
[  552.998339][ T8970]  ? gsm_dlci_alloc+0x354/0x6e0
[  553.003399][ T8970]  gsm_activate_mux+0xe9/0x290
[  553.008284][ T8970]  gsmld_ioctl+0x1858/0x25b0
[  553.012971][ T8970]  ? tomoyo_path_number_perm+0x663/0x840
[  553.018873][ T8970]  ? gsmld_write+0x120/0x120
[  553.023474][ T8970]  ? __vt_event_wait+0x240/0x240
[  553.028581][ T8970]  ? ldsem_down_read+0xb4/0xe0
[  553.033409][ T8970]  ? gsmld_write+0x120/0x120
[  553.038030][ T8970]  tty_ioctl+0x98c/0xda0
[  553.042284][ T8970]  ? security_file_ioctl+0x81/0xa0
[  553.047496][ T8970]  ? tty_get_icount+0xb0/0xb0
[  553.052347][ T8970]  __se_sys_ioctl+0xf8/0x170
[  553.057202][ T8970]  do_syscall_64+0x41/0xc0
[  553.061632][ T8970]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  553.067705][ T8970] RIP: 0033:0x7f68b62c56e9
[  553.072212][ T8970] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  553.092280][ T8970] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  553.101053][ T8970] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  553.109107][ T8970] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  553.117175][ T8970] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  553.125506][ T8970] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  553.133581][ T8970] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  553.141666][ T8970]  </TASK>
[  553.159660][ T8971] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  553.168216][ T8971] CPU: 0 PID: 8971 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  553.178310][ T8971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  553.184753][ T8970] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.188628][ T8971] Call Trace:
[  553.188645][ T8971]  <TASK>
[  553.188653][ T8971]  dump_stack_lvl+0x1e7/0x2d0
[  553.188682][ T8971]  ? nf_tcp_handle_invalid+0x650/0x650
[  553.219356][ T8971]  ? panic+0x770/0x770
[  553.223547][ T8971]  sysfs_create_dir_ns+0x2ca/0x390
[  553.228977][ T8971]  ? sysfs_warn_dup+0xa0/0xa0
[  553.233750][ T8971]  kobject_add_internal+0x61d/0xc30
[  553.239045][ T8971]  kobject_add+0x152/0x210
[  553.243472][ T8971]  ? kobject_put+0x3e4/0x430
[  553.248455][ T8971]  ? kobject_init+0x1f0/0x1f0
[  553.253234][ T8971]  ? get_device_parent+0x25d/0x410
[  553.258446][ T8971]  ? device_add+0x30f/0xc90
[  553.263148][ T8971]  device_add+0x449/0xc90
[  553.267759][ T8971]  tty_register_device_attr+0x437/0x960
[  553.273503][ T8971]  ? tty_register_device+0x30/0x30
[  553.278976][ T8971]  ? gsm_dlci_alloc+0x354/0x6e0
[  553.283916][ T8971]  gsm_activate_mux+0xe9/0x290
[  553.289107][ T8971]  gsmld_ioctl+0x1858/0x25b0
[  553.293884][ T8971]  ? tomoyo_path_number_perm+0x663/0x840
[  553.299539][ T8971]  ? gsmld_write+0x120/0x120
[  553.304146][ T8971]  ? __vt_event_wait+0x240/0x240
[  553.309140][ T8971]  ? ldsem_down_read+0xb4/0xe0
[  553.313978][ T8971]  ? gsmld_write+0x120/0x120
[  553.319813][ T8971]  tty_ioctl+0x98c/0xda0
[  553.324364][ T8971]  ? security_file_ioctl+0x81/0xa0
[  553.329592][ T8971]  ? tty_get_icount+0xb0/0xb0
[  553.334398][ T8971]  __se_sys_ioctl+0xf8/0x170
[  553.339986][ T8971]  do_syscall_64+0x41/0xc0
[  553.345353][ T8971]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  553.351637][ T8971] RIP: 0033:0x7f68b62c56e9
[  553.356509][ T8971] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  553.376305][ T8971] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  553.385017][ T8971] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  553.395867][ T8971] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  553.405510][ T8971] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  553.414838][ T8971] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  553.423103][ T8971] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  553.432277][ T8971]  </TASK>
[  553.451452][ T8971] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.657146][ T8974] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  553.669453][ T8974] CPU: 1 PID: 8974 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  553.680215][ T8974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  553.690478][ T8974] Call Trace:
[  553.693984][ T8974]  <TASK>
[  553.697110][ T8974]  dump_stack_lvl+0x1e7/0x2d0
[  553.702348][ T8974]  ? nf_tcp_handle_invalid+0x650/0x650
[  553.708103][ T8974]  ? panic+0x770/0x770
[  553.712217][ T8974]  sysfs_create_dir_ns+0x2ca/0x390
[  553.717539][ T8974]  ? sysfs_warn_dup+0xa0/0xa0
[  553.722249][ T8974]  kobject_add_internal+0x61d/0xc30
[  553.727755][ T8974]  kobject_add+0x152/0x210
[  553.732312][ T8974]  ? kobject_put+0x3e4/0x430
[  553.737201][ T8974]  ? kobject_init+0x1f0/0x1f0
[  553.742097][ T8974]  ? get_device_parent+0x25d/0x410
[  553.747685][ T8974]  ? device_add+0x30f/0xc90
[  553.753332][ T8974]  device_add+0x449/0xc90
[  553.759630][ T8974]  tty_register_device_attr+0x437/0x960
[  553.765848][ T8974]  ? tty_register_device+0x30/0x30
[  553.771537][ T8974]  ? gsm_dlci_alloc+0x354/0x6e0
[  553.776438][ T8974]  gsm_activate_mux+0xe9/0x290
[  553.781519][ T8974]  gsmld_ioctl+0x1858/0x25b0
[  553.786157][ T8974]  ? tomoyo_path_number_perm+0x663/0x840
[  553.792102][ T8974]  ? gsmld_write+0x120/0x120
[  553.796854][ T8974]  ? __vt_event_wait+0x240/0x240
[  553.802104][ T8974]  ? ldsem_down_read+0xb4/0xe0
[  553.807445][ T8974]  ? gsmld_write+0x120/0x120
[  553.812084][ T8974]  tty_ioctl+0x98c/0xda0
[  553.816393][ T8974]  ? security_file_ioctl+0x81/0xa0
[  553.821712][ T8974]  ? tty_get_icount+0xb0/0xb0
[  553.826514][ T8974]  __se_sys_ioctl+0xf8/0x170
[  553.831283][ T8974]  do_syscall_64+0x41/0xc0
[  553.835766][ T8974]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  553.841695][ T8974] RIP: 0033:0x7f68b62c56e9
[  553.846235][ T8974] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  553.866130][ T8974] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  553.874923][ T8974] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  553.882948][ T8974] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  553.891709][ T8974] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  553.899909][ T8974] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  553.908762][ T8974] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  553.916844][ T8974]  </TASK>
[  553.921101][ T8974] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  554.104510][ T8978] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  554.122282][ T8978] CPU: 1 PID: 8978 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  554.132588][ T8978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  554.142796][ T8978] Call Trace:
[  554.146426][ T8978]  <TASK>
[  554.149349][ T8978]  dump_stack_lvl+0x1e7/0x2d0
[  554.154033][ T8978]  ? nf_tcp_handle_invalid+0x650/0x650
[  554.159659][ T8978]  ? panic+0x770/0x770
[  554.163765][ T8978]  sysfs_create_dir_ns+0x2ca/0x390
[  554.169979][ T8978]  ? sysfs_warn_dup+0xa0/0xa0
[  554.175519][ T8978]  kobject_add_internal+0x61d/0xc30
[  554.182446][ T8978]  kobject_add+0x152/0x210
[  554.187898][ T8978]  ? kobject_put+0x3e4/0x430
[  554.192638][ T8978]  ? kobject_init+0x1f0/0x1f0
[  554.197573][ T8978]  ? get_device_parent+0x25d/0x410
[  554.202997][ T8978]  ? device_add+0x30f/0xc90
[  554.208671][ T8978]  device_add+0x449/0xc90
[  554.213444][ T8978]  tty_register_device_attr+0x437/0x960
[  554.219105][ T8978]  ? tty_register_device+0x30/0x30
[  554.224791][ T8978]  ? gsm_dlci_alloc+0x354/0x6e0
[  554.229885][ T8978]  gsm_activate_mux+0xe9/0x290
[  554.234763][ T8978]  gsmld_ioctl+0x1858/0x25b0
[  554.239530][ T8978]  ? tomoyo_path_number_perm+0x663/0x840
[  554.245829][ T8978]  ? gsmld_write+0x120/0x120
[  554.250558][ T8978]  ? __vt_event_wait+0x240/0x240
[  554.255533][ T8978]  ? ldsem_down_read+0xb4/0xe0
[  554.260314][ T8978]  ? gsmld_write+0x120/0x120
[  554.264924][ T8978]  tty_ioctl+0x98c/0xda0
[  554.269257][ T8978]  ? security_file_ioctl+0x81/0xa0
[  554.274459][ T8978]  ? tty_get_icount+0xb0/0xb0
[  554.280209][ T8978]  __se_sys_ioctl+0xf8/0x170
[  554.284986][ T8978]  do_syscall_64+0x41/0xc0
[  554.289609][ T8978]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  554.297827][ T8978] RIP: 0033:0x7f68b62c56e9
[  554.302259][ T8978] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  554.323171][ T8978] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  554.332128][ T8978] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  554.340203][ T8978] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  554.349495][ T8978] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  554.357466][ T8978] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  554.365554][ T8978] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  554.373656][ T8978]  </TASK>
[  554.383200][ T8978] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  554.622974][ T8981] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  554.636694][ T8981] CPU: 0 PID: 8981 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  554.647428][ T8981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  554.658306][ T8981] Call Trace:
[  554.661807][ T8981]  <TASK>
[  554.664856][ T8981]  dump_stack_lvl+0x1e7/0x2d0
[  554.670017][ T8981]  ? nf_tcp_handle_invalid+0x650/0x650
[  554.677536][ T8981]  ? panic+0x770/0x770
[  554.681662][ T8981]  sysfs_create_dir_ns+0x2ca/0x390
[  554.686886][ T8981]  ? sysfs_warn_dup+0xa0/0xa0
[  554.691891][ T8981]  kobject_add_internal+0x61d/0xc30
[  554.697498][ T8981]  kobject_add+0x152/0x210
[  554.702248][ T8981]  ? kobject_put+0x3e4/0x430
[  554.706881][ T8981]  ? kobject_init+0x1f0/0x1f0
[  554.711952][ T8981]  ? get_device_parent+0x25d/0x410
[  554.717120][ T8981]  ? device_add+0x30f/0xc90
[  554.722357][ T8981]  device_add+0x449/0xc90
[  554.727043][ T8981]  tty_register_device_attr+0x437/0x960
[  554.733085][ T8981]  ? tty_register_device+0x30/0x30
[  554.738624][ T8981]  ? gsm_dlci_alloc+0x354/0x6e0
[  554.744581][ T8981]  gsm_activate_mux+0xe9/0x290
[  554.749588][ T8981]  gsmld_ioctl+0x1858/0x25b0
[  554.754582][ T8981]  ? tomoyo_path_number_perm+0x663/0x840
[  554.764342][ T8981]  ? gsmld_write+0x120/0x120
[  554.769547][ T8981]  ? __vt_event_wait+0x240/0x240
[  554.774604][ T8981]  ? ldsem_down_read+0xb4/0xe0
[  554.780156][ T8981]  ? gsmld_write+0x120/0x120
[  554.785014][ T8981]  tty_ioctl+0x98c/0xda0
[  554.789833][ T8981]  ? security_file_ioctl+0x81/0xa0
[  554.795673][ T8981]  ? tty_get_icount+0xb0/0xb0
[  554.800895][ T8981]  __se_sys_ioctl+0xf8/0x170
[  554.806363][ T8981]  do_syscall_64+0x41/0xc0
[  554.811258][ T8981]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  554.817462][ T8981] RIP: 0033:0x7f68b62c56e9
[  554.822678][ T8981] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  554.843183][ T8981] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  554.851856][ T8981] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  554.860291][ T8981] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  554.868706][ T8981] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  554.876853][ T8981] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  554.884935][ T8981] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  554.893126][ T8981]  </TASK>
[  554.912273][ T8981] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.105277][ T8985] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.128639][ T8985] CPU: 1 PID: 8985 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  555.139643][ T8985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  555.150073][ T8985] Call Trace:
[  555.153638][ T8985]  <TASK>
[  555.156602][ T8985]  dump_stack_lvl+0x1e7/0x2d0
[  555.161316][ T8985]  ? nf_tcp_handle_invalid+0x650/0x650
[  555.167011][ T8985]  ? panic+0x770/0x770
[  555.171146][ T8985]  sysfs_create_dir_ns+0x2ca/0x390
[  555.176471][ T8985]  ? sysfs_warn_dup+0xa0/0xa0
[  555.181459][ T8985]  kobject_add_internal+0x61d/0xc30
[  555.186787][ T8985]  kobject_add+0x152/0x210
[  555.191331][ T8985]  ? kobject_put+0x3e4/0x430
[  555.195959][ T8985]  ? kobject_init+0x1f0/0x1f0
[  555.200937][ T8985]  ? get_device_parent+0x25d/0x410
[  555.206094][ T8985]  ? device_add+0x30f/0xc90
[  555.211416][ T8985]  device_add+0x449/0xc90
[  555.215815][ T8985]  tty_register_device_attr+0x437/0x960
[  555.221403][ T8985]  ? tty_register_device+0x30/0x30
[  555.226572][ T8985]  ? gsm_dlci_alloc+0x354/0x6e0
[  555.232246][ T8985]  gsm_activate_mux+0xe9/0x290
[  555.237224][ T8985]  gsmld_ioctl+0x1858/0x25b0
[  555.241848][ T8985]  ? tomoyo_path_number_perm+0x663/0x840
[  555.247705][ T8985]  ? gsmld_write+0x120/0x120
[  555.252325][ T8985]  ? __vt_event_wait+0x240/0x240
[  555.257270][ T8985]  ? ldsem_down_read+0xb4/0xe0
[  555.262032][ T8985]  ? gsmld_write+0x120/0x120
[  555.266718][ T8985]  tty_ioctl+0x98c/0xda0
[  555.271133][ T8985]  ? security_file_ioctl+0x81/0xa0
[  555.276326][ T8985]  ? tty_get_icount+0xb0/0xb0
[  555.281015][ T8985]  __se_sys_ioctl+0xf8/0x170
[  555.285599][ T8985]  do_syscall_64+0x41/0xc0
[  555.290444][ T8985]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  555.296347][ T8985] RIP: 0033:0x7f68b62c56e9
[  555.300838][ T8985] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  555.320695][ T8985] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  555.329186][ T8985] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  555.337266][ T8985] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  555.345320][ T8985] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  555.353545][ T8985] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  555.361591][ T8985] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  555.369643][ T8985]  </TASK>
[  555.373003][ T8985] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.543850][ T8988] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.578430][ T8988] CPU: 1 PID: 8988 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  555.588547][ T8988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  555.598950][ T8988] Call Trace:
[  555.602230][ T8988]  <TASK>
[  555.605145][ T8988]  dump_stack_lvl+0x1e7/0x2d0
[  555.609835][ T8988]  ? nf_tcp_handle_invalid+0x650/0x650
[  555.615321][ T8988]  ? panic+0x770/0x770
[  555.619597][ T8988]  sysfs_create_dir_ns+0x2ca/0x390
[  555.624733][ T8988]  ? sysfs_warn_dup+0xa0/0xa0
[  555.629438][ T8988]  kobject_add_internal+0x61d/0xc30
[  555.635022][ T8988]  kobject_add+0x152/0x210
[  555.639469][ T8988]  ? kobject_put+0x3e4/0x430
[  555.644181][ T8988]  ? kobject_init+0x1f0/0x1f0
[  555.648894][ T8988]  ? get_device_parent+0x25d/0x410
[  555.654041][ T8988]  ? device_add+0x30f/0xc90
[  555.658579][ T8988]  device_add+0x449/0xc90
[  555.663030][ T8988]  tty_register_device_attr+0x437/0x960
[  555.668612][ T8988]  ? tty_register_device+0x30/0x30
[  555.673766][ T8988]  ? gsm_dlci_alloc+0x354/0x6e0
[  555.679043][ T8988]  gsm_activate_mux+0xe9/0x290
[  555.683855][ T8988]  gsmld_ioctl+0x1858/0x25b0
[  555.688563][ T8988]  ? tomoyo_path_number_perm+0x663/0x840
[  555.694248][ T8988]  ? gsmld_write+0x120/0x120
[  555.698894][ T8988]  ? __vt_event_wait+0x240/0x240
[  555.703982][ T8988]  ? ldsem_down_read+0xb4/0xe0
[  555.708779][ T8988]  ? gsmld_write+0x120/0x120
[  555.713447][ T8988]  tty_ioctl+0x98c/0xda0
[  555.717744][ T8988]  ? security_file_ioctl+0x81/0xa0
[  555.722870][ T8988]  ? tty_get_icount+0xb0/0xb0
[  555.727551][ T8988]  __se_sys_ioctl+0xf8/0x170
[  555.732225][ T8988]  do_syscall_64+0x41/0xc0
[  555.736646][ T8988]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  555.742891][ T8988] RIP: 0033:0x7f68b62c56e9
[  555.747303][ T8988] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  555.767344][ T8988] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  555.775776][ T8988] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  555.783933][ T8988] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  555.791997][ T8988] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  555.800326][ T8988] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  555.808484][ T8988] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  555.816486][ T8988]  </TASK>
[  555.820278][ T8988] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.994181][ T8991] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.021104][ T8991] CPU: 1 PID: 8991 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  556.031484][ T8991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  556.041562][ T8991] Call Trace:
[  556.044956][ T8991]  <TASK>
[  556.047338][ T8992] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.047883][ T8991]  dump_stack_lvl+0x1e7/0x2d0
[  556.061157][ T8991]  ? nf_tcp_handle_invalid+0x650/0x650
[  556.066918][ T8991]  ? panic+0x770/0x770
[  556.071112][ T8991]  sysfs_create_dir_ns+0x2ca/0x390
[  556.076269][ T8991]  ? sysfs_warn_dup+0xa0/0xa0
[  556.081068][ T8991]  kobject_add_internal+0x61d/0xc30
[  556.086402][ T8991]  kobject_add+0x152/0x210
[  556.090963][ T8991]  ? kobject_put+0x3e4/0x430
[  556.095589][ T8991]  ? kobject_init+0x1f0/0x1f0
[  556.100312][ T8991]  ? get_device_parent+0x25d/0x410
[  556.105455][ T8991]  ? device_add+0x30f/0xc90
[  556.109988][ T8991]  device_add+0x449/0xc90
[  556.114617][ T8991]  tty_register_device_attr+0x437/0x960
[  556.120202][ T8991]  ? tty_register_device+0x30/0x30
[  556.125332][ T8991]  ? gsm_dlci_alloc+0x354/0x6e0
[  556.130275][ T8991]  gsm_activate_mux+0xe9/0x290
[  556.135050][ T8991]  gsmld_ioctl+0x1858/0x25b0
[  556.139736][ T8991]  ? tomoyo_path_number_perm+0x663/0x840
[  556.145469][ T8991]  ? gsmld_write+0x120/0x120
[  556.150069][ T8991]  ? __vt_event_wait+0x240/0x240
[  556.155016][ T8991]  ? ldsem_down_read+0xb4/0xe0
[  556.159792][ T8991]  ? gsmld_write+0x120/0x120
[  556.164383][ T8991]  tty_ioctl+0x98c/0xda0
[  556.168628][ T8991]  ? security_file_ioctl+0x81/0xa0
[  556.173838][ T8991]  ? tty_get_icount+0xb0/0xb0
[  556.178532][ T8991]  __se_sys_ioctl+0xf8/0x170
[  556.183144][ T8991]  do_syscall_64+0x41/0xc0
[  556.187567][ T8991]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  556.193639][ T8991] RIP: 0033:0x7f68b62c56e9
[  556.198145][ T8991] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  556.218543][ T8991] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  556.227052][ T8991] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  556.235198][ T8991] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  556.243178][ T8991] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  556.251499][ T8991] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  556.260010][ T8991] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  556.268339][ T8991]  </TASK>
[  556.271712][ T8992] CPU: 0 PID: 8992 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  556.282056][ T8992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  556.292278][ T8992] Call Trace:
[  556.295703][ T8992]  <TASK>
[  556.298624][ T8992]  dump_stack_lvl+0x1e7/0x2d0
[  556.303318][ T8992]  ? nf_tcp_handle_invalid+0x650/0x650
[  556.308769][ T8992]  ? panic+0x770/0x770
[  556.312834][ T8992]  sysfs_create_dir_ns+0x2ca/0x390
[  556.318026][ T8992]  ? sysfs_warn_dup+0xa0/0xa0
[  556.323045][ T8992]  kobject_add_internal+0x61d/0xc30
[  556.328333][ T8992]  kobject_add+0x152/0x210
[  556.332753][ T8992]  ? kobject_put+0x3e4/0x430
[  556.337369][ T8992]  ? kobject_init+0x1f0/0x1f0
[  556.342047][ T8992]  ? get_device_parent+0x25d/0x410
[  556.347273][ T8992]  ? device_add+0x30f/0xc90
[  556.352292][ T8992]  device_add+0x449/0xc90
[  556.356747][ T8992]  tty_register_device_attr+0x437/0x960
[  556.362379][ T8992]  ? tty_register_device+0x30/0x30
[  556.367488][ T8992]  ? gsm_dlci_alloc+0x354/0x6e0
[  556.372337][ T8992]  gsm_activate_mux+0xe9/0x290
[  556.377184][ T8992]  gsmld_ioctl+0x1858/0x25b0
[  556.381763][ T8992]  ? tomoyo_path_number_perm+0x663/0x840
[  556.387395][ T8992]  ? gsmld_write+0x120/0x120
[  556.392152][ T8992]  ? __vt_event_wait+0x240/0x240
[  556.397088][ T8992]  ? ldsem_down_read+0xb4/0xe0
[  556.402109][ T8992]  ? gsmld_write+0x120/0x120
[  556.406866][ T8992]  tty_ioctl+0x98c/0xda0
[  556.411104][ T8992]  ? security_file_ioctl+0x81/0xa0
[  556.416213][ T8992]  ? tty_get_icount+0xb0/0xb0
[  556.421322][ T8992]  __se_sys_ioctl+0xf8/0x170
[  556.425995][ T8992]  do_syscall_64+0x41/0xc0
[  556.430492][ T8992]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  556.436375][ T8992] RIP: 0033:0x7f68b62c56e9
[  556.440789][ T8992] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  556.460559][ T8992] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  556.468978][ T8992] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  556.476987][ T8992] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  556.485032][ T8992] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  556.492988][ T8992] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  556.501123][ T8992] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  556.509177][ T8992]  </TASK>
[  556.512506][ T8991] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.518633][ T8992] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.718021][ T8995] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.747375][ T8995] CPU: 0 PID: 8995 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  556.759150][ T8995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  556.769502][ T8995] Call Trace:
[  556.773066][ T8995]  <TASK>
[  556.776277][ T8995]  dump_stack_lvl+0x1e7/0x2d0
[  556.781250][ T8995]  ? nf_tcp_handle_invalid+0x650/0x650
[  556.786914][ T8995]  ? panic+0x770/0x770
[  556.791185][ T8995]  sysfs_create_dir_ns+0x2ca/0x390
[  556.796337][ T8995]  ? sysfs_warn_dup+0xa0/0xa0
[  556.801046][ T8995]  kobject_add_internal+0x61d/0xc30
[  556.806293][ T8995]  kobject_add+0x152/0x210
[  556.810929][ T8995]  ? kobject_put+0x3e4/0x430
[  556.815638][ T8995]  ? kobject_init+0x1f0/0x1f0
[  556.820344][ T8995]  ? get_device_parent+0x25d/0x410
[  556.825487][ T8995]  ? device_add+0x30f/0xc90
[  556.830109][ T8995]  device_add+0x449/0xc90
[  556.834459][ T8995]  tty_register_device_attr+0x437/0x960
[  556.840107][ T8995]  ? tty_register_device+0x30/0x30
[  556.845214][ T8995]  ? gsm_dlci_alloc+0x354/0x6e0
[  556.850152][ T8995]  gsm_activate_mux+0xe9/0x290
[  556.854996][ T8995]  gsmld_ioctl+0x1858/0x25b0
[  556.859581][ T8995]  ? tomoyo_path_number_perm+0x663/0x840
[  556.865392][ T8995]  ? gsmld_write+0x120/0x120
[  556.870064][ T8995]  ? __vt_event_wait+0x240/0x240
[  556.875173][ T8995]  ? ldsem_down_read+0xb4/0xe0
[  556.880024][ T8995]  ? gsmld_write+0x120/0x120
[  556.884883][ T8995]  tty_ioctl+0x98c/0xda0
[  556.889205][ T8995]  ? security_file_ioctl+0x81/0xa0
[  556.894318][ T8995]  ? tty_get_icount+0xb0/0xb0
[  556.898989][ T8995]  __se_sys_ioctl+0xf8/0x170
[  556.903645][ T8995]  do_syscall_64+0x41/0xc0
[  556.908144][ T8995]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  556.914433][ T8995] RIP: 0033:0x7f68b62c56e9
[  556.919018][ T8995] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  556.939181][ T8995] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  556.947858][ T8995] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  556.955866][ T8995] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  556.963897][ T8995] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  556.971962][ T8995] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  556.980019][ T8995] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  556.988076][ T8995]  </TASK>
[  557.010930][ T8995] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.185499][ T8998] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  557.208234][ T8998] CPU: 0 PID: 8998 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  557.218353][ T8998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  557.228527][ T8998] Call Trace:
[  557.232021][ T8998]  <TASK>
[  557.235144][ T8998]  dump_stack_lvl+0x1e7/0x2d0
[  557.239885][ T8998]  ? nf_tcp_handle_invalid+0x650/0x650
[  557.245479][ T8998]  ? panic+0x770/0x770
[  557.249756][ T8998]  sysfs_create_dir_ns+0x2ca/0x390
[  557.255162][ T8998]  ? sysfs_warn_dup+0xa0/0xa0
[  557.259871][ T8998]  kobject_add_internal+0x61d/0xc30
[  557.265209][ T8998]  kobject_add+0x152/0x210
[  557.269755][ T8998]  ? kobject_put+0x3e4/0x430
[  557.274379][ T8998]  ? kobject_init+0x1f0/0x1f0
[  557.279093][ T8998]  ? get_device_parent+0x25d/0x410
[  557.284413][ T8998]  ? device_add+0x30f/0xc90
[  557.288950][ T8998]  device_add+0x449/0xc90
[  557.293353][ T8998]  tty_register_device_attr+0x437/0x960
[  557.299021][ T8998]  ? tty_register_device+0x30/0x30
[  557.304177][ T8998]  ? gsm_dlci_alloc+0x354/0x6e0
[  557.309328][ T8998]  gsm_activate_mux+0xe9/0x290
[  557.314120][ T8998]  gsmld_ioctl+0x1858/0x25b0
[  557.318738][ T8998]  ? tomoyo_path_number_perm+0x663/0x840
[  557.324503][ T8998]  ? gsmld_write+0x120/0x120
[  557.329141][ T8998]  ? __vt_event_wait+0x240/0x240
[  557.334120][ T8998]  ? ldsem_down_read+0xb4/0xe0
[  557.338917][ T8998]  ? gsmld_write+0x120/0x120
[  557.343536][ T8998]  tty_ioctl+0x98c/0xda0
[  557.347895][ T8998]  ? security_file_ioctl+0x81/0xa0
[  557.353026][ T8998]  ? tty_get_icount+0xb0/0xb0
[  557.357884][ T8998]  __se_sys_ioctl+0xf8/0x170
[  557.362581][ T8998]  do_syscall_64+0x41/0xc0
[  557.367364][ T8998]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  557.373282][ T8998] RIP: 0033:0x7f68b62c56e9
[  557.377871][ T8998] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  557.398342][ T8998] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  557.406925][ T8998] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  557.415265][ T8998] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  557.423343][ T8998] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  557.431577][ T8998] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  557.439630][ T8998] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  557.447613][ T8998]  </TASK>
[  557.452073][ T8998] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.623407][ T9002] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  557.648619][ T9002] CPU: 0 PID: 9002 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  557.658825][ T9002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  557.669084][ T9002] Call Trace:
[  557.672379][ T9002]  <TASK>
[  557.675330][ T9002]  dump_stack_lvl+0x1e7/0x2d0
[  557.680039][ T9002]  ? nf_tcp_handle_invalid+0x650/0x650
[  557.685534][ T9002]  ? panic+0x770/0x770
[  557.689632][ T9002]  sysfs_create_dir_ns+0x2ca/0x390
[  557.694783][ T9002]  ? sysfs_warn_dup+0xa0/0xa0
[  557.699491][ T9002]  kobject_add_internal+0x61d/0xc30
[  557.704990][ T9002]  kobject_add+0x152/0x210
[  557.709531][ T9002]  ? kobject_put+0x3e4/0x430
[  557.714326][ T9002]  ? kobject_init+0x1f0/0x1f0
[  557.719127][ T9002]  ? get_device_parent+0x25d/0x410
[  557.724313][ T9002]  ? device_add+0x30f/0xc90
[  557.729025][ T9002]  device_add+0x449/0xc90
[  557.733406][ T9002]  tty_register_device_attr+0x437/0x960
[  557.739001][ T9002]  ? tty_register_device+0x30/0x30
[  557.744153][ T9002]  ? gsm_dlci_alloc+0x354/0x6e0
[  557.749046][ T9002]  gsm_activate_mux+0xe9/0x290
[  557.754337][ T9002]  gsmld_ioctl+0x1858/0x25b0
[  557.758983][ T9002]  ? tomoyo_path_number_perm+0x663/0x840
[  557.764664][ T9002]  ? gsmld_write+0x120/0x120
[  557.769394][ T9002]  ? __vt_event_wait+0x240/0x240
[  557.774371][ T9002]  ? ldsem_down_read+0xb4/0xe0
[  557.779176][ T9002]  ? gsmld_write+0x120/0x120
[  557.783784][ T9002]  tty_ioctl+0x98c/0xda0
[  557.788025][ T9002]  ? security_file_ioctl+0x81/0xa0
[  557.793120][ T9002]  ? tty_get_icount+0xb0/0xb0
[  557.797781][ T9002]  __se_sys_ioctl+0xf8/0x170
[  557.802880][ T9002]  do_syscall_64+0x41/0xc0
[  557.807283][ T9002]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  557.813160][ T9002] RIP: 0033:0x7f68b62c56e9
[  557.817558][ T9002] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  557.837495][ T9002] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  557.845886][ T9002] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  557.853928][ T9002] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  557.861882][ T9002] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  557.869834][ T9002] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  557.877875][ T9002] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  557.885964][ T9002]  </TASK>
[  557.892280][ T9002] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.066501][ T9005] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  558.083819][ T9005] CPU: 0 PID: 9005 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  558.094111][ T9005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  558.104284][ T9005] Call Trace:
[  558.107593][ T9005]  <TASK>
[  558.110648][ T9005]  dump_stack_lvl+0x1e7/0x2d0
[  558.115406][ T9005]  ? nf_tcp_handle_invalid+0x650/0x650
[  558.120982][ T9005]  ? panic+0x770/0x770
[  558.125082][ T9005]  sysfs_create_dir_ns+0x2ca/0x390
[  558.130221][ T9005]  ? sysfs_warn_dup+0xa0/0xa0
[  558.134935][ T9005]  kobject_add_internal+0x61d/0xc30
[  558.140172][ T9005]  kobject_add+0x152/0x210
[  558.144819][ T9005]  ? kobject_put+0x3e4/0x430
[  558.149525][ T9005]  ? kobject_init+0x1f0/0x1f0
[  558.154325][ T9005]  ? get_device_parent+0x25d/0x410
[  558.159770][ T9005]  ? device_add+0x30f/0xc90
[  558.164316][ T9005]  device_add+0x449/0xc90
[  558.168693][ T9005]  tty_register_device_attr+0x437/0x960
[  558.174469][ T9005]  ? tty_register_device+0x30/0x30
[  558.179627][ T9005]  ? gsm_dlci_alloc+0x354/0x6e0
[  558.185736][ T9005]  gsm_activate_mux+0xe9/0x290
[  558.190810][ T9005]  gsmld_ioctl+0x1858/0x25b0
[  558.195811][ T9005]  ? tomoyo_path_number_perm+0x663/0x840
[  558.201580][ T9005]  ? gsmld_write+0x120/0x120
[  558.201843][ T9006] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  558.206554][ T9005]  ? __vt_event_wait+0x240/0x240
[  558.206586][ T9005]  ? ldsem_down_read+0xb4/0xe0
[  558.206617][ T9005]  ? gsmld_write+0x120/0x120
[  558.230422][ T9005]  tty_ioctl+0x98c/0xda0
[  558.234681][ T9005]  ? security_file_ioctl+0x81/0xa0
[  558.239799][ T9005]  ? tty_get_icount+0xb0/0xb0
[  558.244501][ T9005]  __se_sys_ioctl+0xf8/0x170
[  558.249105][ T9005]  do_syscall_64+0x41/0xc0
[  558.253530][ T9005]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  558.259596][ T9005] RIP: 0033:0x7f68b62c56e9
[  558.264040][ T9005] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  558.284950][ T9005] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  558.293367][ T9005] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  558.301510][ T9005] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  558.309570][ T9005] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  558.317643][ T9005] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  558.325864][ T9005] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  558.334195][ T9005]  </TASK>
[  558.339398][ T9005] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.353813][ T9006] CPU: 0 PID: 9006 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  558.363985][ T9006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  558.374395][ T9006] Call Trace:
[  558.377740][ T9006]  <TASK>
[  558.380709][ T9006]  dump_stack_lvl+0x1e7/0x2d0
[  558.385439][ T9006]  ? nf_tcp_handle_invalid+0x650/0x650
[  558.390913][ T9006]  ? panic+0x770/0x770
[  558.395005][ T9006]  sysfs_create_dir_ns+0x2ca/0x390
[  558.400489][ T9006]  ? sysfs_warn_dup+0xa0/0xa0
[  558.405162][ T9006]  kobject_add_internal+0x61d/0xc30
[  558.410408][ T9006]  kobject_add+0x152/0x210
[  558.423759][ T9006]  ? kobject_put+0x3e4/0x430
[  558.428947][ T9006]  ? kobject_init+0x1f0/0x1f0
[  558.433627][ T9006]  ? get_device_parent+0x25d/0x410
[  558.439170][ T9006]  ? device_add+0x30f/0xc90
[  558.444106][ T9006]  device_add+0x449/0xc90
[  558.448563][ T9006]  tty_register_device_attr+0x437/0x960
[  558.454440][ T9006]  ? tty_register_device+0x30/0x30
[  558.459844][ T9006]  ? gsm_dlci_alloc+0x354/0x6e0
[  558.464704][ T9006]  gsm_activate_mux+0xe9/0x290
[  558.469560][ T9006]  gsmld_ioctl+0x1858/0x25b0
[  558.474238][ T9006]  ? tomoyo_path_number_perm+0x663/0x840
[  558.479871][ T9006]  ? gsmld_write+0x120/0x120
[  558.484796][ T9006]  ? __vt_event_wait+0x240/0x240
[  558.489905][ T9006]  ? ldsem_down_read+0xb4/0xe0
[  558.494658][ T9006]  ? gsmld_write+0x120/0x120
[  558.499324][ T9006]  tty_ioctl+0x98c/0xda0
[  558.503815][ T9006]  ? security_file_ioctl+0x81/0xa0
[  558.509357][ T9006]  ? tty_get_icount+0xb0/0xb0
[  558.514031][ T9006]  __se_sys_ioctl+0xf8/0x170
[  558.518616][ T9006]  do_syscall_64+0x41/0xc0
[  558.523107][ T9006]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  558.529591][ T9006] RIP: 0033:0x7f68b62c56e9
[  558.533988][ T9006] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  558.553589][ T9006] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  558.562020][ T9006] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  558.570255][ T9006] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  558.578235][ T9006] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  558.586432][ T9006] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  558.594777][ T9006] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  558.602929][ T9006]  </TASK>
[  558.607425][ T9006] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.776967][ T9009] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  558.788192][ T9009] CPU: 0 PID: 9009 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  558.798304][ T9009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  558.808559][ T9009] Call Trace:
[  558.811954][ T9009]  <TASK>
[  558.814914][ T9009]  dump_stack_lvl+0x1e7/0x2d0
[  558.819803][ T9009]  ? nf_tcp_handle_invalid+0x650/0x650
[  558.825304][ T9009]  ? panic+0x770/0x770
[  558.829589][ T9009]  sysfs_create_dir_ns+0x2ca/0x390
[  558.834822][ T9009]  ? sysfs_warn_dup+0xa0/0xa0
[  558.839827][ T9009]  kobject_add_internal+0x61d/0xc30
[  558.845243][ T9009]  kobject_add+0x152/0x210
[  558.849794][ T9009]  ? kobject_put+0x3e4/0x430
[  558.854761][ T9009]  ? kobject_init+0x1f0/0x1f0
[  558.859444][ T9009]  ? get_device_parent+0x25d/0x410
[  558.864580][ T9009]  ? device_add+0x30f/0xc90
[  558.869271][ T9009]  device_add+0x449/0xc90
[  558.873636][ T9009]  tty_register_device_attr+0x437/0x960
[  558.879654][ T9009]  ? tty_register_device+0x30/0x30
[  558.884935][ T9009]  ? gsm_dlci_alloc+0x354/0x6e0
[  558.889922][ T9009]  gsm_activate_mux+0xe9/0x290
[  558.895398][ T9009]  gsmld_ioctl+0x1858/0x25b0
[  558.900258][ T9009]  ? tomoyo_path_number_perm+0x663/0x840
[  558.906109][ T9009]  ? gsmld_write+0x120/0x120
[  558.910720][ T9009]  ? __vt_event_wait+0x240/0x240
[  558.915782][ T9009]  ? ldsem_down_read+0xb4/0xe0
[  558.920648][ T9009]  ? gsmld_write+0x120/0x120
[  558.925271][ T9009]  tty_ioctl+0x98c/0xda0
[  558.929717][ T9009]  ? security_file_ioctl+0x81/0xa0
[  558.934984][ T9009]  ? tty_get_icount+0xb0/0xb0
[  558.939880][ T9009]  __se_sys_ioctl+0xf8/0x170
[  558.944736][ T9009]  do_syscall_64+0x41/0xc0
[  558.949358][ T9009]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  558.955609][ T9009] RIP: 0033:0x7f68b62c56e9
[  558.960183][ T9009] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  558.981473][ T9009] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  558.990264][ T9009] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  558.998255][ T9009] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  559.007176][ T9009] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  559.015609][ T9009] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  559.023869][ T9009] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  559.032117][ T9009]  </TASK>
[  559.035740][ T9010] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.038470][ T9009] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.044431][ T9010] CPU: 0 PID: 9010 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  559.069399][ T9010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  559.079942][ T9010] Call Trace:
[  559.083312][ T9010]  <TASK>
[  559.086239][ T9010]  dump_stack_lvl+0x1e7/0x2d0
[  559.090920][ T9010]  ? nf_tcp_handle_invalid+0x650/0x650
[  559.096396][ T9010]  ? panic+0x770/0x770
[  559.100484][ T9010]  sysfs_create_dir_ns+0x2ca/0x390
[  559.105645][ T9010]  ? sysfs_warn_dup+0xa0/0xa0
[  559.110341][ T9010]  kobject_add_internal+0x61d/0xc30
[  559.115554][ T9010]  kobject_add+0x152/0x210
[  559.119977][ T9010]  ? kobject_put+0x3e4/0x430
[  559.124782][ T9010]  ? kobject_init+0x1f0/0x1f0
[  559.129541][ T9010]  ? get_device_parent+0x25d/0x410
[  559.134651][ T9010]  ? device_add+0x30f/0xc90
[  559.139250][ T9010]  device_add+0x449/0xc90
[  559.143579][ T9010]  tty_register_device_attr+0x437/0x960
[  559.149213][ T9010]  ? tty_register_device+0x30/0x30
[  559.154417][ T9010]  ? gsm_dlci_alloc+0x354/0x6e0
[  559.159898][ T9010]  gsm_activate_mux+0xe9/0x290
[  559.164701][ T9010]  gsmld_ioctl+0x1858/0x25b0
[  559.170385][ T9010]  ? tomoyo_path_number_perm+0x663/0x840
[  559.176472][ T9010]  ? gsmld_write+0x120/0x120
[  559.181643][ T9010]  ? __vt_event_wait+0x240/0x240
[  559.186794][ T9010]  ? ldsem_down_read+0xb4/0xe0
[  559.191916][ T9010]  ? gsmld_write+0x120/0x120
[  559.197145][ T9010]  tty_ioctl+0x98c/0xda0
[  559.201957][ T9010]  ? security_file_ioctl+0x81/0xa0
[  559.207821][ T9010]  ? tty_get_icount+0xb0/0xb0
[  559.213806][ T9010]  __se_sys_ioctl+0xf8/0x170
[  559.219341][ T9010]  do_syscall_64+0x41/0xc0
[  559.223798][ T9010]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  559.229912][ T9010] RIP: 0033:0x7f68b62c56e9
[  559.234535][ T9010] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  559.254406][ T9010] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  559.263345][ T9010] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  559.272383][ T9010] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  559.280813][ T9010] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  559.289674][ T9010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  559.298102][ T9010] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  559.306490][ T9010]  </TASK>
[  559.331548][ T9010] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.540094][ T9013] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.553232][ T9013] CPU: 0 PID: 9013 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  559.564170][ T9013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  559.575383][ T9013] Call Trace:
[  559.579227][ T9013]  <TASK>
[  559.582358][ T9013]  dump_stack_lvl+0x1e7/0x2d0
[  559.587275][ T9013]  ? nf_tcp_handle_invalid+0x650/0x650
[  559.592864][ T9013]  ? panic+0x770/0x770
[  559.597604][ T9013]  sysfs_create_dir_ns+0x2ca/0x390
[  559.602944][ T9013]  ? sysfs_warn_dup+0xa0/0xa0
[  559.608108][ T9013]  kobject_add_internal+0x61d/0xc30
[  559.613821][ T9013]  kobject_add+0x152/0x210
[  559.618562][ T9013]  ? kobject_put+0x3e4/0x430
[  559.623296][ T9013]  ? kobject_init+0x1f0/0x1f0
[  559.628546][ T9013]  ? get_device_parent+0x25d/0x410
[  559.634744][ T9013]  ? device_add+0x30f/0xc90
[  559.639758][ T9013]  device_add+0x449/0xc90
[  559.644498][ T9013]  tty_register_device_attr+0x437/0x960
[  559.650236][ T9013]  ? tty_register_device+0x30/0x30
[  559.655409][ T9013]  ? gsm_dlci_alloc+0x354/0x6e0
[  559.660592][ T9013]  gsm_activate_mux+0xe9/0x290
[  559.665402][ T9013]  gsmld_ioctl+0x1858/0x25b0
[  559.670115][ T9013]  ? tomoyo_path_number_perm+0x663/0x840
[  559.675964][ T9013]  ? gsmld_write+0x120/0x120
[  559.680862][ T9013]  ? __vt_event_wait+0x240/0x240
[  559.686032][ T9013]  ? ldsem_down_read+0xb4/0xe0
[  559.691045][ T9013]  ? gsmld_write+0x120/0x120
[  559.696045][ T9013]  tty_ioctl+0x98c/0xda0
[  559.700341][ T9013]  ? security_file_ioctl+0x81/0xa0
[  559.705488][ T9013]  ? tty_get_icount+0xb0/0xb0
[  559.710292][ T9013]  __se_sys_ioctl+0xf8/0x170
[  559.714935][ T9013]  do_syscall_64+0x41/0xc0
[  559.719392][ T9013]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  559.725996][ T9013] RIP: 0033:0x7f68b62c56e9
[  559.730659][ T9013] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  559.751843][ T9013] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  559.763867][ T9013] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  559.771942][ T9013] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  559.781549][ T9013] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  559.790236][ T9013] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  559.799455][ T9013] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  559.807976][ T9013]  </TASK>
[  559.814225][ T9013] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.997250][ T9016] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  560.005814][ T9016] CPU: 0 PID: 9016 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  560.016598][ T9016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  560.027211][ T9016] Call Trace:
[  560.030609][ T9016]  <TASK>
[  560.033655][ T9016]  dump_stack_lvl+0x1e7/0x2d0
[  560.038372][ T9016]  ? nf_tcp_handle_invalid+0x650/0x650
[  560.043968][ T9016]  ? panic+0x770/0x770
[  560.048087][ T9016]  sysfs_create_dir_ns+0x2ca/0x390
[  560.053241][ T9016]  ? sysfs_warn_dup+0xa0/0xa0
[  560.058106][ T9016]  kobject_add_internal+0x61d/0xc30
[  560.063780][ T9016]  kobject_add+0x152/0x210
[  560.068220][ T9016]  ? kobject_put+0x3e4/0x430
[  560.072810][ T9016]  ? kobject_init+0x1f0/0x1f0
[  560.077571][ T9016]  ? get_device_parent+0x25d/0x410
[  560.082861][ T9016]  ? device_add+0x30f/0xc90
[  560.087624][ T9016]  device_add+0x449/0xc90
[  560.093079][ T9016]  tty_register_device_attr+0x437/0x960
[  560.098801][ T9016]  ? tty_register_device+0x30/0x30
[  560.103909][ T9016]  ? gsm_dlci_alloc+0x354/0x6e0
[  560.108756][ T9016]  gsm_activate_mux+0xe9/0x290
[  560.113989][ T9016]  gsmld_ioctl+0x1858/0x25b0
[  560.118779][ T9016]  ? tomoyo_path_number_perm+0x663/0x840
[  560.124972][ T9016]  ? gsmld_write+0x120/0x120
[  560.129737][ T9016]  ? __vt_event_wait+0x240/0x240
[  560.134674][ T9016]  ? ldsem_down_read+0xb4/0xe0
[  560.139558][ T9016]  ? gsmld_write+0x120/0x120
[  560.144603][ T9016]  tty_ioctl+0x98c/0xda0
[  560.148866][ T9016]  ? security_file_ioctl+0x81/0xa0
[  560.154230][ T9016]  ? tty_get_icount+0xb0/0xb0
[  560.159193][ T9016]  __se_sys_ioctl+0xf8/0x170
[  560.163877][ T9016]  do_syscall_64+0x41/0xc0
[  560.168597][ T9016]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  560.174700][ T9016] RIP: 0033:0x7f68b62c56e9
[  560.179865][ T9016] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  560.200902][ T9016] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  560.209957][ T9016] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  560.218205][ T9016] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  560.229338][ T9016] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  560.237403][ T9016] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  560.245489][ T9016] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  560.253839][ T9016]  </TASK>
[  560.268632][ T9017] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  560.278260][ T9017] CPU: 0 PID: 9017 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  560.288789][ T9017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  560.299129][ T9017] Call Trace:
[  560.302519][ T9017]  <TASK>
[  560.305822][ T9017]  dump_stack_lvl+0x1e7/0x2d0
[  560.311425][ T9017]  ? nf_tcp_handle_invalid+0x650/0x650
[  560.317267][ T9017]  ? panic+0x770/0x770
[  560.321464][ T9017]  sysfs_create_dir_ns+0x2ca/0x390
[  560.326794][ T9017]  ? sysfs_warn_dup+0xa0/0xa0
[  560.331678][ T9017]  kobject_add_internal+0x61d/0xc30
[  560.336948][ T9017]  kobject_add+0x152/0x210
[  560.341711][ T9017]  ? kobject_put+0x3e4/0x430
[  560.346444][ T9017]  ? kobject_init+0x1f0/0x1f0
[  560.351254][ T9017]  ? get_device_parent+0x25d/0x410
[  560.356934][ T9017]  ? device_add+0x30f/0xc90
[  560.361560][ T9017]  device_add+0x449/0xc90
[  560.363459][ T9016] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.365906][ T9017]  tty_register_device_attr+0x437/0x960
[  560.365945][ T9017]  ? tty_register_device+0x30/0x30
[  560.365970][ T9017]  ? gsm_dlci_alloc+0x354/0x6e0
[  560.365995][ T9017]  gsm_activate_mux+0xe9/0x290
[  560.366019][ T9017]  gsmld_ioctl+0x1858/0x25b0
[  560.366040][ T9017]  ? tomoyo_path_number_perm+0x663/0x840
[  560.366075][ T9017]  ? gsmld_write+0x120/0x120
[  560.366098][ T9017]  ? __vt_event_wait+0x240/0x240
[  560.366127][ T9017]  ? ldsem_down_read+0xb4/0xe0
[  560.429473][ T9017]  ? gsmld_write+0x120/0x120
[  560.434119][ T9017]  tty_ioctl+0x98c/0xda0
[  560.438508][ T9017]  ? security_file_ioctl+0x81/0xa0
[  560.443912][ T9017]  ? tty_get_icount+0xb0/0xb0
[  560.448608][ T9017]  __se_sys_ioctl+0xf8/0x170
[  560.453233][ T9017]  do_syscall_64+0x41/0xc0
[  560.457670][ T9017]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  560.463696][ T9017] RIP: 0033:0x7f68b62c56e9
[  560.468140][ T9017] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  560.491985][ T9017] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  560.501483][ T9017] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  560.509812][ T9017] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  560.517794][ T9017] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  560.526324][ T9017] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  560.535038][ T9017] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  560.544477][ T9017]  </TASK>
[  560.558433][ T9017] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.729082][ T9020] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  560.754275][ T9020] CPU: 0 PID: 9020 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  560.766741][ T9020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  560.777099][ T9020] Call Trace:
[  560.781361][ T9020]  <TASK>
[  560.785299][ T9020]  dump_stack_lvl+0x1e7/0x2d0
[  560.791902][ T9020]  ? nf_tcp_handle_invalid+0x650/0x650
[  560.797999][ T9020]  ? panic+0x770/0x770
[  560.803382][ T9020]  sysfs_create_dir_ns+0x2ca/0x390
[  560.808549][ T9020]  ? sysfs_warn_dup+0xa0/0xa0
[  560.813797][ T9020]  kobject_add_internal+0x61d/0xc30
[  560.819317][ T9020]  kobject_add+0x152/0x210
[  560.823804][ T9020]  ? kobject_put+0x3e4/0x430
[  560.828547][ T9020]  ? kobject_init+0x1f0/0x1f0
[  560.833354][ T9020]  ? get_device_parent+0x25d/0x410
[  560.838565][ T9020]  ? device_add+0x30f/0xc90
[  560.843157][ T9020]  device_add+0x449/0xc90
[  560.847684][ T9020]  tty_register_device_attr+0x437/0x960
[  560.853253][ T9020]  ? tty_register_device+0x30/0x30
[  560.858399][ T9020]  ? gsm_dlci_alloc+0x354/0x6e0
[  560.863639][ T9020]  gsm_activate_mux+0xe9/0x290
[  560.868428][ T9020]  gsmld_ioctl+0x1858/0x25b0
[  560.873138][ T9020]  ? tomoyo_path_number_perm+0x663/0x840
[  560.879123][ T9020]  ? gsmld_write+0x120/0x120
[  560.883813][ T9020]  ? __vt_event_wait+0x240/0x240
[  560.889042][ T9020]  ? ldsem_down_read+0xb4/0xe0
[  560.893908][ T9020]  ? gsmld_write+0x120/0x120
[  560.898611][ T9020]  tty_ioctl+0x98c/0xda0
[  560.903045][ T9020]  ? security_file_ioctl+0x81/0xa0
[  560.908538][ T9020]  ? tty_get_icount+0xb0/0xb0
[  560.913413][ T9020]  __se_sys_ioctl+0xf8/0x170
[  560.918197][ T9020]  do_syscall_64+0x41/0xc0
[  560.922610][ T9020]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  560.928594][ T9020] RIP: 0033:0x7f68b62c56e9
[  560.933037][ T9020] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  560.953445][ T9020] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  560.962082][ T9020] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  560.970872][ T9020] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  560.979056][ T9020] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  560.987659][ T9020] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  560.995752][ T9020] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  561.004939][ T9020]  </TASK>
[  561.054083][ T9020] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.234660][ T9023] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.246628][ T9023] CPU: 0 PID: 9023 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  561.256835][ T9023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  561.267432][ T9023] Call Trace:
[  561.271009][ T9023]  <TASK>
[  561.274047][ T9023]  dump_stack_lvl+0x1e7/0x2d0
[  561.278773][ T9023]  ? nf_tcp_handle_invalid+0x650/0x650
[  561.284350][ T9023]  ? panic+0x770/0x770
[  561.288567][ T9023]  sysfs_create_dir_ns+0x2ca/0x390
[  561.293715][ T9023]  ? sysfs_warn_dup+0xa0/0xa0
[  561.296451][ T9024] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.298753][ T9023]  kobject_add_internal+0x61d/0xc30
[  561.312870][ T9023]  kobject_add+0x152/0x210
[  561.317981][ T9023]  ? kobject_put+0x3e4/0x430
[  561.322738][ T9023]  ? kobject_init+0x1f0/0x1f0
[  561.327497][ T9023]  ? get_device_parent+0x25d/0x410
[  561.332777][ T9023]  ? device_add+0x30f/0xc90
[  561.337275][ T9023]  device_add+0x449/0xc90
[  561.341605][ T9023]  tty_register_device_attr+0x437/0x960
[  561.347408][ T9023]  ? tty_register_device+0x30/0x30
[  561.352522][ T9023]  ? gsm_dlci_alloc+0x354/0x6e0
[  561.357376][ T9023]  gsm_activate_mux+0xe9/0x290
[  561.362310][ T9023]  gsmld_ioctl+0x1858/0x25b0
[  561.366894][ T9023]  ? tomoyo_path_number_perm+0x663/0x840
[  561.372622][ T9023]  ? gsmld_write+0x120/0x120
[  561.377290][ T9023]  ? __vt_event_wait+0x240/0x240
[  561.382490][ T9023]  ? ldsem_down_read+0xb4/0xe0
[  561.387257][ T9023]  ? gsmld_write+0x120/0x120
[  561.391925][ T9023]  tty_ioctl+0x98c/0xda0
[  561.396246][ T9023]  ? security_file_ioctl+0x81/0xa0
[  561.401348][ T9023]  ? tty_get_icount+0xb0/0xb0
[  561.406022][ T9023]  __se_sys_ioctl+0xf8/0x170
[  561.410613][ T9023]  do_syscall_64+0x41/0xc0
[  561.415291][ T9023]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  561.421184][ T9023] RIP: 0033:0x7f68b62c56e9
[  561.425604][ T9023] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  561.445478][ T9023] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  561.453881][ T9023] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  561.461852][ T9023] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  561.469896][ T9023] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  561.477854][ T9023] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  561.486001][ T9023] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  561.494457][ T9023]  </TASK>
[  561.503153][ T9024] CPU: 1 PID: 9024 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  561.510897][ T9023] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.513251][ T9024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  561.513264][ T9024] Call Trace:
[  561.513272][ T9024]  <TASK>
[  561.513279][ T9024]  dump_stack_lvl+0x1e7/0x2d0
[  561.549020][ T9024]  ? nf_tcp_handle_invalid+0x650/0x650
[  561.554480][ T9024]  ? panic+0x770/0x770
[  561.558666][ T9024]  sysfs_create_dir_ns+0x2ca/0x390
[  561.563781][ T9024]  ? sysfs_warn_dup+0xa0/0xa0
[  561.568471][ T9024]  kobject_add_internal+0x61d/0xc30
[  561.573697][ T9024]  kobject_add+0x152/0x210
[  561.578177][ T9024]  ? kobject_put+0x3e4/0x430
[  561.582808][ T9024]  ? kobject_init+0x1f0/0x1f0
[  561.587504][ T9024]  ? get_device_parent+0x25d/0x410
[  561.592611][ T9024]  ? device_add+0x30f/0xc90
[  561.597281][ T9024]  device_add+0x449/0xc90
[  561.601608][ T9024]  tty_register_device_attr+0x437/0x960
[  561.607330][ T9024]  ? tty_register_device+0x30/0x30
[  561.612537][ T9024]  ? gsm_dlci_alloc+0x354/0x6e0
[  561.617558][ T9024]  gsm_activate_mux+0xe9/0x290
[  561.622318][ T9024]  gsmld_ioctl+0x1858/0x25b0
[  561.626998][ T9024]  ? tomoyo_path_number_perm+0x663/0x840
[  561.632986][ T9024]  ? gsmld_write+0x120/0x120
[  561.637601][ T9024]  ? __vt_event_wait+0x240/0x240
[  561.642546][ T9024]  ? ldsem_down_read+0xb4/0xe0
[  561.647309][ T9024]  ? gsmld_write+0x120/0x120
[  561.651901][ T9024]  tty_ioctl+0x98c/0xda0
[  561.656314][ T9024]  ? security_file_ioctl+0x81/0xa0
[  561.661511][ T9024]  ? tty_get_icount+0xb0/0xb0
[  561.666441][ T9024]  __se_sys_ioctl+0xf8/0x170
[  561.671129][ T9024]  do_syscall_64+0x41/0xc0
[  561.675901][ T9024]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  561.681969][ T9024] RIP: 0033:0x7f68b62c56e9
[  561.686393][ T9024] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  561.705993][ T9024] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  561.714483][ T9024] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  561.722442][ T9024] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  561.732570][ T9024] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  561.740702][ T9024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  561.748665][ T9024] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  561.756718][ T9024]  </TASK>
[  561.772996][ T9024] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.980335][ T9027] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.994283][ T9027] CPU: 1 PID: 9027 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  562.004402][ T9027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  562.014485][ T9027] Call Trace:
[  562.017869][ T9027]  <TASK>
[  562.020810][ T9027]  dump_stack_lvl+0x1e7/0x2d0
[  562.025525][ T9027]  ? nf_tcp_handle_invalid+0x650/0x650
[  562.031008][ T9027]  ? panic+0x770/0x770
[  562.035102][ T9027]  sysfs_create_dir_ns+0x2ca/0x390
[  562.040279][ T9027]  ? sysfs_warn_dup+0xa0/0xa0
[  562.045075][ T9027]  kobject_add_internal+0x61d/0xc30
[  562.050309][ T9027]  kobject_add+0x152/0x210
[  562.054839][ T9027]  ? kobject_put+0x3e4/0x430
[  562.059478][ T9027]  ? kobject_init+0x1f0/0x1f0
[  562.064181][ T9027]  ? get_device_parent+0x25d/0x410
[  562.069330][ T9027]  ? device_add+0x30f/0xc90
[  562.073865][ T9027]  device_add+0x449/0xc90
[  562.078223][ T9027]  tty_register_device_attr+0x437/0x960
[  562.083794][ T9027]  ? tty_register_device+0x30/0x30
[  562.088939][ T9027]  ? gsm_dlci_alloc+0x354/0x6e0
[  562.094307][ T9027]  gsm_activate_mux+0xe9/0x290
[  562.099809][ T9027]  gsmld_ioctl+0x1858/0x25b0
[  562.104519][ T9027]  ? tomoyo_path_number_perm+0x663/0x840
[  562.110191][ T9027]  ? gsmld_write+0x120/0x120
[  562.114913][ T9027]  ? __vt_event_wait+0x240/0x240
[  562.119887][ T9027]  ? ldsem_down_read+0xb4/0xe0
[  562.124854][ T9027]  ? gsmld_write+0x120/0x120
[  562.129644][ T9027]  tty_ioctl+0x98c/0xda0
[  562.134002][ T9027]  ? security_file_ioctl+0x81/0xa0
[  562.139138][ T9027]  ? tty_get_icount+0xb0/0xb0
[  562.143851][ T9027]  __se_sys_ioctl+0xf8/0x170
[  562.148470][ T9027]  do_syscall_64+0x41/0xc0
[  562.152998][ T9027]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  562.158923][ T9027] RIP: 0033:0x7f68b62c56e9
[  562.163352][ T9027] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  562.183338][ T9027] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  562.191773][ T9027] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  562.199757][ T9027] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  562.207815][ T9027] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  562.216139][ T9027] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  562.224371][ T9027] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  562.232428][ T9027]  </TASK>
[  562.236917][ T9027] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.408015][ T9030] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  562.419641][ T9030] CPU: 1 PID: 9030 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  562.429841][ T9030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  562.440540][ T9030] Call Trace:
[  562.443849][ T9030]  <TASK>
[  562.446883][ T9030]  dump_stack_lvl+0x1e7/0x2d0
[  562.451590][ T9030]  ? nf_tcp_handle_invalid+0x650/0x650
[  562.457161][ T9030]  ? panic+0x770/0x770
[  562.460257][ T9031] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  562.461282][ T9030]  sysfs_create_dir_ns+0x2ca/0x390
[  562.474912][ T9030]  ? sysfs_warn_dup+0xa0/0xa0
[  562.479621][ T9030]  kobject_add_internal+0x61d/0xc30
[  562.484931][ T9030]  kobject_add+0x152/0x210
[  562.489381][ T9030]  ? kobject_put+0x3e4/0x430
[  562.494107][ T9030]  ? kobject_init+0x1f0/0x1f0
[  562.498822][ T9030]  ? get_device_parent+0x25d/0x410
[  562.504045][ T9030]  ? device_add+0x30f/0xc90
[  562.508586][ T9030]  device_add+0x449/0xc90
[  562.512938][ T9030]  tty_register_device_attr+0x437/0x960
[  562.518509][ T9030]  ? tty_register_device+0x30/0x30
[  562.523645][ T9030]  ? gsm_dlci_alloc+0x354/0x6e0
[  562.528685][ T9030]  gsm_activate_mux+0xe9/0x290
[  562.533562][ T9030]  gsmld_ioctl+0x1858/0x25b0
[  562.538168][ T9030]  ? tomoyo_path_number_perm+0x663/0x840
[  562.543947][ T9030]  ? gsmld_write+0x120/0x120
[  562.548563][ T9030]  ? __vt_event_wait+0x240/0x240
[  562.553560][ T9030]  ? ldsem_down_read+0xb4/0xe0
[  562.558349][ T9030]  ? gsmld_write+0x120/0x120
[  562.562959][ T9030]  tty_ioctl+0x98c/0xda0
[  562.567348][ T9030]  ? security_file_ioctl+0x81/0xa0
[  562.572479][ T9030]  ? tty_get_icount+0xb0/0xb0
[  562.577174][ T9030]  __se_sys_ioctl+0xf8/0x170
[  562.581869][ T9030]  do_syscall_64+0x41/0xc0
[  562.586329][ T9030]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  562.592243][ T9030] RIP: 0033:0x7f68b62c56e9
[  562.596668][ T9030] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  562.616464][ T9030] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  562.624913][ T9030] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  562.632990][ T9030] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  562.640982][ T9030] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  562.648967][ T9030] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  562.656958][ T9030] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  562.664941][ T9030]  </TASK>
[  562.667956][ T9031] CPU: 0 PID: 9031 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  562.678053][ T9031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  562.688189][ T9031] Call Trace:
[  562.691458][ T9031]  <TASK>
[  562.694378][ T9031]  dump_stack_lvl+0x1e7/0x2d0
[  562.699138][ T9031]  ? nf_tcp_handle_invalid+0x650/0x650
[  562.704589][ T9031]  ? panic+0x770/0x770
[  562.708651][ T9031]  sysfs_create_dir_ns+0x2ca/0x390
[  562.713763][ T9031]  ? sysfs_warn_dup+0xa0/0xa0
[  562.718691][ T9031]  kobject_add_internal+0x61d/0xc30
[  562.723894][ T9031]  kobject_add+0x152/0x210
[  562.728395][ T9031]  ? kobject_put+0x3e4/0x430
[  562.733061][ T9031]  ? kobject_init+0x1f0/0x1f0
[  562.737839][ T9031]  ? get_device_parent+0x25d/0x410
[  562.742964][ T9031]  ? device_add+0x30f/0xc90
[  562.747588][ T9031]  device_add+0x449/0xc90
[  562.752036][ T9031]  tty_register_device_attr+0x437/0x960
[  562.757988][ T9031]  ? tty_register_device+0x30/0x30
[  562.763771][ T9031]  ? gsm_dlci_alloc+0x354/0x6e0
[  562.768903][ T9031]  gsm_activate_mux+0xe9/0x290
[  562.773683][ T9031]  gsmld_ioctl+0x1858/0x25b0
[  562.778264][ T9031]  ? tomoyo_path_number_perm+0x663/0x840
[  562.784339][ T9031]  ? gsmld_write+0x120/0x120
[  562.789019][ T9031]  ? __vt_event_wait+0x240/0x240
[  562.793956][ T9031]  ? ldsem_down_read+0xb4/0xe0
[  562.798804][ T9031]  ? gsmld_write+0x120/0x120
[  562.803486][ T9031]  tty_ioctl+0x98c/0xda0
[  562.808086][ T9031]  ? security_file_ioctl+0x81/0xa0
[  562.813194][ T9031]  ? tty_get_icount+0xb0/0xb0
[  562.817872][ T9031]  __se_sys_ioctl+0xf8/0x170
[  562.822547][ T9031]  do_syscall_64+0x41/0xc0
[  562.827232][ T9031]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  562.833205][ T9031] RIP: 0033:0x7f68b62c56e9
[  562.837698][ T9031] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  562.858612][ T9031] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  562.867022][ T9031] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  562.875167][ T9031] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  562.883309][ T9031] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  562.891463][ T9031] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  562.899783][ T9031] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  562.908161][ T9031]  </TASK>
[  562.920243][ T9030] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.925801][ T9031] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.105139][ T9034] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  563.114633][ T9034] CPU: 0 PID: 9034 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  563.124822][ T9034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  563.134984][ T9034] Call Trace:
[  563.138280][ T9034]  <TASK>
[  563.141224][ T9034]  dump_stack_lvl+0x1e7/0x2d0
[  563.146012][ T9034]  ? nf_tcp_handle_invalid+0x650/0x650
[  563.151503][ T9034]  ? panic+0x770/0x770
[  563.155605][ T9034]  sysfs_create_dir_ns+0x2ca/0x390
[  563.161019][ T9034]  ? sysfs_warn_dup+0xa0/0xa0
[  563.166076][ T9034]  kobject_add_internal+0x61d/0xc30
[  563.171310][ T9034]  kobject_add+0x152/0x210
[  563.175740][ T9034]  ? kobject_put+0x3e4/0x430
[  563.180518][ T9034]  ? kobject_init+0x1f0/0x1f0
[  563.185404][ T9034]  ? get_device_parent+0x25d/0x410
[  563.190520][ T9034]  ? device_add+0x30f/0xc90
[  563.195371][ T9034]  device_add+0x449/0xc90
[  563.199986][ T9034]  tty_register_device_attr+0x437/0x960
[  563.205535][ T9034]  ? tty_register_device+0x30/0x30
[  563.210655][ T9034]  ? gsm_dlci_alloc+0x354/0x6e0
[  563.215694][ T9034]  gsm_activate_mux+0xe9/0x290
[  563.220891][ T9034]  gsmld_ioctl+0x1858/0x25b0
[  563.225479][ T9034]  ? tomoyo_path_number_perm+0x663/0x840
[  563.231140][ T9034]  ? gsmld_write+0x120/0x120
[  563.235729][ T9034]  ? __vt_event_wait+0x240/0x240
[  563.240670][ T9034]  ? ldsem_down_read+0xb4/0xe0
[  563.245431][ T9034]  ? gsmld_write+0x120/0x120
[  563.250103][ T9034]  tty_ioctl+0x98c/0xda0
[  563.254340][ T9034]  ? security_file_ioctl+0x81/0xa0
[  563.259538][ T9034]  ? tty_get_icount+0xb0/0xb0
[  563.264233][ T9034]  __se_sys_ioctl+0xf8/0x170
[  563.268824][ T9034]  do_syscall_64+0x41/0xc0
[  563.273322][ T9034]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  563.279208][ T9034] RIP: 0033:0x7f68b62c56e9
[  563.283638][ T9034] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  563.303677][ T9034] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  563.312411][ T9034] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  563.320524][ T9034] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  563.328944][ T9034] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  563.337006][ T9034] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  563.345067][ T9034] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  563.353160][ T9034]  </TASK>
[  563.359915][ T9035] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  563.369252][ T9035] CPU: 0 PID: 9035 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  563.371927][ T1240] ieee802154 phy0 wpan0: encryption failed: -22
[  563.380193][ T9035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  563.380209][ T9035] Call Trace:
[  563.380218][ T9035]  <TASK>
[  563.380225][ T9035]  dump_stack_lvl+0x1e7/0x2d0
[  563.380256][ T9035]  ? nf_tcp_handle_invalid+0x650/0x650
[  563.387895][ T1240] ieee802154 phy1 wpan1: encryption failed: -22
[  563.396864][ T9035]  ? panic+0x770/0x770
[  563.396899][ T9035]  sysfs_create_dir_ns+0x2ca/0x390
[  563.428867][ T9035]  ? sysfs_warn_dup+0xa0/0xa0
[  563.433643][ T9035]  kobject_add_internal+0x61d/0xc30
[  563.438871][ T9035]  kobject_add+0x152/0x210
[  563.443321][ T9035]  ? kobject_put+0x3e4/0x430
[  563.447937][ T9035]  ? kobject_init+0x1f0/0x1f0
[  563.452624][ T9035]  ? get_device_parent+0x25d/0x410
[  563.457826][ T9035]  ? device_add+0x30f/0xc90
[  563.462353][ T9035]  device_add+0x449/0xc90
[  563.466854][ T9035]  tty_register_device_attr+0x437/0x960
[  563.472671][ T9035]  ? tty_register_device+0x30/0x30
[  563.478045][ T9035]  ? gsm_dlci_alloc+0x354/0x6e0
[  563.482984][ T9035]  gsm_activate_mux+0xe9/0x290
[  563.487744][ T9035]  gsmld_ioctl+0x1858/0x25b0
[  563.492670][ T9035]  ? tomoyo_path_number_perm+0x663/0x840
[  563.498492][ T9035]  ? gsmld_write+0x120/0x120
[  563.503078][ T9035]  ? __vt_event_wait+0x240/0x240
[  563.508159][ T9035]  ? ldsem_down_read+0xb4/0xe0
[  563.512941][ T9035]  ? gsmld_write+0x120/0x120
[  563.517644][ T9035]  tty_ioctl+0x98c/0xda0
[  563.521993][ T9035]  ? security_file_ioctl+0x81/0xa0
[  563.527122][ T9035]  ? tty_get_icount+0xb0/0xb0
[  563.531825][ T9035]  __se_sys_ioctl+0xf8/0x170
[  563.536597][ T9035]  do_syscall_64+0x41/0xc0
[  563.541013][ T9035]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  563.547072][ T9035] RIP: 0033:0x7f68b62c56e9
[  563.551483][ T9035] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  563.571780][ T9035] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  563.580535][ T9035] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  563.588590][ T9035] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  563.596549][ T9035] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  563.604519][ T9035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  563.612588][ T9035] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  563.620914][ T9035]  </TASK>
[  563.624437][ T9034] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.662927][ T9035] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.856793][ T9038] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  563.865273][ T9038] CPU: 1 PID: 9038 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  563.875967][ T9038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  563.886038][ T9038] Call Trace:
[  563.889363][ T9038]  <TASK>
[  563.892412][ T9038]  dump_stack_lvl+0x1e7/0x2d0
[  563.897215][ T9038]  ? nf_tcp_handle_invalid+0x650/0x650
[  563.902789][ T9038]  ? panic+0x770/0x770
[  563.906964][ T9038]  sysfs_create_dir_ns+0x2ca/0x390
[  563.912211][ T9038]  ? sysfs_warn_dup+0xa0/0xa0
[  563.916930][ T9038]  kobject_add_internal+0x61d/0xc30
[  563.922342][ T9038]  kobject_add+0x152/0x210
[  563.926788][ T9038]  ? kobject_put+0x3e4/0x430
[  563.931503][ T9038]  ? kobject_init+0x1f0/0x1f0
[  563.936211][ T9038]  ? get_device_parent+0x25d/0x410
[  563.941355][ T9038]  ? device_add+0x30f/0xc90
[  563.945894][ T9038]  device_add+0x449/0xc90
[  563.950349][ T9038]  tty_register_device_attr+0x437/0x960
[  563.956542][ T9038]  ? tty_register_device+0x30/0x30
[  563.961693][ T9038]  ? gsm_dlci_alloc+0x354/0x6e0
[  563.966874][ T9038]  gsm_activate_mux+0xe9/0x290
[  563.971663][ T9038]  gsmld_ioctl+0x1858/0x25b0
[  563.976279][ T9038]  ? tomoyo_path_number_perm+0x663/0x840
[  563.982121][ T9038]  ? gsmld_write+0x120/0x120
[  563.986743][ T9038]  ? __vt_event_wait+0x240/0x240
[  563.991731][ T9038]  ? ldsem_down_read+0xb4/0xe0
[  563.996531][ T9038]  ? gsmld_write+0x120/0x120
[  564.001242][ T9038]  tty_ioctl+0x98c/0xda0
[  564.005531][ T9038]  ? security_file_ioctl+0x81/0xa0
[  564.010674][ T9038]  ? tty_get_icount+0xb0/0xb0
[  564.015555][ T9038]  __se_sys_ioctl+0xf8/0x170
[  564.020175][ T9038]  do_syscall_64+0x41/0xc0
[  564.024622][ T9038]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  564.030811][ T9038] RIP: 0033:0x7f68b62c56e9
[  564.035497][ T9038] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  564.055454][ T9038] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  564.063879][ T9038] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  564.072026][ T9038] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  564.080513][ T9038] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  564.088916][ T9038] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  564.097141][ T9038] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  564.105479][ T9038]  </TASK>
[  564.109499][ T9038] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.275485][ T9041] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  564.303035][ T9041] CPU: 1 PID: 9041 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  564.313174][ T9041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  564.323335][ T9041] Call Trace:
[  564.326642][ T9041]  <TASK>
[  564.329588][ T9041]  dump_stack_lvl+0x1e7/0x2d0
[  564.334287][ T9041]  ? nf_tcp_handle_invalid+0x650/0x650
[  564.339773][ T9041]  ? panic+0x770/0x770
[  564.343895][ T9041]  sysfs_create_dir_ns+0x2ca/0x390
[  564.349032][ T9041]  ? sysfs_warn_dup+0xa0/0xa0
[  564.353740][ T9041]  kobject_add_internal+0x61d/0xc30
[  564.358966][ T9041]  kobject_add+0x152/0x210
[  564.363412][ T9041]  ? kobject_put+0x3e4/0x430
[  564.368023][ T9041]  ? kobject_init+0x1f0/0x1f0
[  564.372824][ T9041]  ? get_device_parent+0x25d/0x410
[  564.378575][ T9041]  ? device_add+0x30f/0xc90
[  564.383107][ T9041]  device_add+0x449/0xc90
[  564.387641][ T9041]  tty_register_device_attr+0x437/0x960
[  564.393223][ T9041]  ? tty_register_device+0x30/0x30
[  564.398452][ T9041]  ? gsm_dlci_alloc+0x354/0x6e0
[  564.403331][ T9041]  gsm_activate_mux+0xe9/0x290
[  564.408126][ T9041]  gsmld_ioctl+0x1858/0x25b0
[  564.412751][ T9041]  ? tomoyo_path_number_perm+0x663/0x840
[  564.418596][ T9041]  ? gsmld_write+0x120/0x120
[  564.423306][ T9041]  ? __vt_event_wait+0x240/0x240
[  564.428368][ T9041]  ? ldsem_down_read+0xb4/0xe0
[  564.433148][ T9041]  ? gsmld_write+0x120/0x120
[  564.437828][ T9041]  tty_ioctl+0x98c/0xda0
[  564.442079][ T9041]  ? security_file_ioctl+0x81/0xa0
[  564.447192][ T9041]  ? tty_get_icount+0xb0/0xb0
[  564.452079][ T9041]  __se_sys_ioctl+0xf8/0x170
[  564.456848][ T9041]  do_syscall_64+0x41/0xc0
[  564.461356][ T9041]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  564.467333][ T9041] RIP: 0033:0x7f68b62c56e9
[  564.471850][ T9041] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  564.491989][ T9041] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  564.500488][ T9041] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  564.508548][ T9041] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  564.517127][ T9041] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  564.525189][ T9041] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  564.533851][ T9041] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  564.541827][ T9041]  </TASK>
[  564.545221][ T9041] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.714164][ T9044] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  564.744921][ T9044] CPU: 0 PID: 9044 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  564.755217][ T9044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  564.765447][ T9045] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  564.766781][ T9044] Call Trace:
[  564.766797][ T9044]  <TASK>
[  564.766804][ T9044]  dump_stack_lvl+0x1e7/0x2d0
[  564.766831][ T9044]  ? nf_tcp_handle_invalid+0x650/0x650
[  564.766849][ T9044]  ? panic+0x770/0x770
[  564.797005][ T9044]  sysfs_create_dir_ns+0x2ca/0x390
[  564.802490][ T9044]  ? sysfs_warn_dup+0xa0/0xa0
[  564.807458][ T9044]  kobject_add_internal+0x61d/0xc30
[  564.813241][ T9044]  kobject_add+0x152/0x210
[  564.817763][ T9044]  ? kobject_put+0x3e4/0x430
[  564.822363][ T9044]  ? kobject_init+0x1f0/0x1f0
[  564.827062][ T9044]  ? get_device_parent+0x25d/0x410
[  564.832251][ T9044]  ? device_add+0x30f/0xc90
[  564.836844][ T9044]  device_add+0x449/0xc90
[  564.841254][ T9044]  tty_register_device_attr+0x437/0x960
[  564.846909][ T9044]  ? tty_register_device+0x30/0x30
[  564.852148][ T9044]  ? gsm_dlci_alloc+0x354/0x6e0
[  564.857001][ T9044]  gsm_activate_mux+0xe9/0x290
[  564.861767][ T9044]  gsmld_ioctl+0x1858/0x25b0
[  564.866353][ T9044]  ? tomoyo_path_number_perm+0x663/0x840
[  564.872441][ T9044]  ? gsmld_write+0x120/0x120
[  564.877135][ T9044]  ? __vt_event_wait+0x240/0x240
[  564.882886][ T9044]  ? ldsem_down_read+0xb4/0xe0
[  564.887665][ T9044]  ? gsmld_write+0x120/0x120
[  564.892363][ T9044]  tty_ioctl+0x98c/0xda0
[  564.896630][ T9044]  ? security_file_ioctl+0x81/0xa0
[  564.901888][ T9044]  ? tty_get_icount+0xb0/0xb0
[  564.906736][ T9044]  __se_sys_ioctl+0xf8/0x170
[  564.911526][ T9044]  do_syscall_64+0x41/0xc0
[  564.916095][ T9044]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  564.922076][ T9044] RIP: 0033:0x7f68b62c56e9
[  564.926667][ T9044] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  564.946888][ T9044] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  564.955304][ T9044] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  564.963560][ T9044] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  564.972247][ T9044] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  564.980937][ T9044] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  564.989026][ T9044] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  564.997276][ T9044]  </TASK>
[  565.000690][ T9045] CPU: 1 PID: 9045 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  565.011392][ T9045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  565.012418][ T9044] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.021819][ T9045] Call Trace:
[  565.021830][ T9045]  <TASK>
[  565.021837][ T9045]  dump_stack_lvl+0x1e7/0x2d0
[  565.021863][ T9045]  ? nf_tcp_handle_invalid+0x650/0x650
[  565.021881][ T9045]  ? panic+0x770/0x770
[  565.021904][ T9045]  sysfs_create_dir_ns+0x2ca/0x390
[  565.021926][ T9045]  ? sysfs_warn_dup+0xa0/0xa0
[  565.021948][ T9045]  kobject_add_internal+0x61d/0xc30
[  565.021976][ T9045]  kobject_add+0x152/0x210
[  565.021999][ T9045]  ? kobject_put+0x3e4/0x430
[  565.022019][ T9045]  ? kobject_init+0x1f0/0x1f0
[  565.022045][ T9045]  ? get_device_parent+0x25d/0x410
[  565.022067][ T9045]  ? device_add+0x30f/0xc90
[  565.095197][ T9045]  device_add+0x449/0xc90
[  565.099540][ T9045]  tty_register_device_attr+0x437/0x960
[  565.105190][ T9045]  ? tty_register_device+0x30/0x30
[  565.110560][ T9045]  ? gsm_dlci_alloc+0x354/0x6e0
[  565.115520][ T9045]  gsm_activate_mux+0xe9/0x290
[  565.120303][ T9045]  gsmld_ioctl+0x1858/0x25b0
[  565.125009][ T9045]  ? tomoyo_path_number_perm+0x663/0x840
[  565.130667][ T9045]  ? gsmld_write+0x120/0x120
[  565.135369][ T9045]  ? __vt_event_wait+0x240/0x240
[  565.140405][ T9045]  ? ldsem_down_read+0xb4/0xe0
[  565.145256][ T9045]  ? gsmld_write+0x120/0x120
[  565.150012][ T9045]  tty_ioctl+0x98c/0xda0
[  565.154248][ T9045]  ? security_file_ioctl+0x81/0xa0
[  565.159440][ T9045]  ? tty_get_icount+0xb0/0xb0
[  565.164110][ T9045]  __se_sys_ioctl+0xf8/0x170
[  565.168706][ T9045]  do_syscall_64+0x41/0xc0
[  565.173295][ T9045]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  565.179190][ T9045] RIP: 0033:0x7f68b62c56e9
[  565.183970][ T9045] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  565.204017][ T9045] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  565.212528][ T9045] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  565.221822][ T9045] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  565.229910][ T9045] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  565.239374][ T9045] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  565.247429][ T9045] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  565.255411][ T9045]  </TASK>
[  565.265669][ T9045] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.481734][ T9048] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  565.492205][ T9048] CPU: 0 PID: 9048 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  565.502654][ T9048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  565.513078][ T9048] Call Trace:
[  565.516374][ T9048]  <TASK>
[  565.519409][ T9048]  dump_stack_lvl+0x1e7/0x2d0
[  565.524117][ T9048]  ? nf_tcp_handle_invalid+0x650/0x650
[  565.529611][ T9048]  ? panic+0x770/0x770
[  565.533725][ T9048]  sysfs_create_dir_ns+0x2ca/0x390
[  565.538862][ T9048]  ? sysfs_warn_dup+0xa0/0xa0
[  565.543663][ T9048]  kobject_add_internal+0x61d/0xc30
[  565.548982][ T9048]  kobject_add+0x152/0x210
[  565.553615][ T9048]  ? kobject_put+0x3e4/0x430
[  565.558233][ T9048]  ? kobject_init+0x1f0/0x1f0
[  565.562978][ T9048]  ? get_device_parent+0x25d/0x410
[  565.568212][ T9048]  ? device_add+0x30f/0xc90
[  565.572765][ T9048]  device_add+0x449/0xc90
[  565.577222][ T9048]  tty_register_device_attr+0x437/0x960
[  565.582967][ T9048]  ? tty_register_device+0x30/0x30
[  565.588238][ T9048]  ? gsm_dlci_alloc+0x354/0x6e0
[  565.593127][ T9048]  gsm_activate_mux+0xe9/0x290
[  565.597935][ T9048]  gsmld_ioctl+0x1858/0x25b0
[  565.602649][ T9048]  ? tomoyo_path_number_perm+0x663/0x840
[  565.608321][ T9048]  ? gsmld_write+0x120/0x120
[  565.612942][ T9048]  ? __vt_event_wait+0x240/0x240
[  565.617920][ T9048]  ? ldsem_down_read+0xb4/0xe0
[  565.622727][ T9048]  ? gsmld_write+0x120/0x120
[  565.627367][ T9048]  tty_ioctl+0x98c/0xda0
[  565.631960][ T9048]  ? security_file_ioctl+0x81/0xa0
[  565.637297][ T9048]  ? tty_get_icount+0xb0/0xb0
[  565.642005][ T9048]  __se_sys_ioctl+0xf8/0x170
[  565.646824][ T9048]  do_syscall_64+0x41/0xc0
[  565.651271][ T9048]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  565.657412][ T9048] RIP: 0033:0x7f68b62c56e9
[  565.662079][ T9048] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  565.682123][ T9048] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  565.691232][ T9048] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  565.699308][ T9048] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  565.707569][ T9048] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  565.715812][ T9048] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  565.723917][ T9048] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  565.732503][ T9048]  </TASK>
[  565.737410][ T9048] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.908965][ T9052] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  565.918373][ T9052] CPU: 1 PID: 9052 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  565.928563][ T9052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  565.939162][ T9052] Call Trace:
[  565.942728][ T9052]  <TASK>
[  565.945862][ T9052]  dump_stack_lvl+0x1e7/0x2d0
[  565.950743][ T9052]  ? nf_tcp_handle_invalid+0x650/0x650
[  565.956314][ T9052]  ? panic+0x770/0x770
[  565.960567][ T9052]  sysfs_create_dir_ns+0x2ca/0x390
[  565.966655][ T9052]  ? sysfs_warn_dup+0xa0/0xa0
[  565.971417][ T9052]  kobject_add_internal+0x61d/0xc30
[  565.977256][ T9052]  kobject_add+0x152/0x210
[  565.982029][ T9052]  ? kobject_put+0x3e4/0x430
[  565.987486][ T9052]  ? kobject_init+0x1f0/0x1f0
[  565.992162][ T9052]  ? get_device_parent+0x25d/0x410
[  565.997444][ T9052]  ? device_add+0x30f/0xc90
[  566.002032][ T9052]  device_add+0x449/0xc90
[  566.006563][ T9052]  tty_register_device_attr+0x437/0x960
[  566.012194][ T9052]  ? tty_register_device+0x30/0x30
[  566.017476][ T9052]  ? gsm_dlci_alloc+0x354/0x6e0
[  566.022333][ T9052]  gsm_activate_mux+0xe9/0x290
[  566.027617][ T9052]  gsmld_ioctl+0x1858/0x25b0
[  566.032297][ T9052]  ? tomoyo_path_number_perm+0x663/0x840
[  566.038306][ T9052]  ? gsmld_write+0x120/0x120
[  566.043238][ T9052]  ? __vt_event_wait+0x240/0x240
[  566.048370][ T9052]  ? ldsem_down_read+0xb4/0xe0
[  566.053570][ T9052]  ? gsmld_write+0x120/0x120
[  566.058654][ T9052]  tty_ioctl+0x98c/0xda0
[  566.063074][ T9052]  ? security_file_ioctl+0x81/0xa0
[  566.068173][ T9052]  ? tty_get_icount+0xb0/0xb0
[  566.072851][ T9052]  __se_sys_ioctl+0xf8/0x170
[  566.077436][ T9052]  do_syscall_64+0x41/0xc0
[  566.081876][ T9052]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  566.088023][ T9052] RIP: 0033:0x7f68b62c56e9
[  566.092518][ T9052] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  566.112289][ T9052] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  566.120693][ T9052] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  566.128741][ T9052] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  566.136706][ T9052] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  566.144853][ T9052] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  566.152845][ T9052] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  566.160812][ T9052]  </TASK>
[  566.165792][ T9053] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  566.174740][ T9053] CPU: 0 PID: 9053 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  566.182411][ T9052] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.185238][ T9053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  566.210124][ T9053] Call Trace:
[  566.213716][ T9053]  <TASK>
[  566.216638][ T9053]  dump_stack_lvl+0x1e7/0x2d0
[  566.221317][ T9053]  ? nf_tcp_handle_invalid+0x650/0x650
[  566.227120][ T9053]  ? panic+0x770/0x770
[  566.231362][ T9053]  sysfs_create_dir_ns+0x2ca/0x390
[  566.236644][ T9053]  ? sysfs_warn_dup+0xa0/0xa0
[  566.241314][ T9053]  kobject_add_internal+0x61d/0xc30
[  566.246513][ T9053]  kobject_add+0x152/0x210
[  566.250930][ T9053]  ? kobject_put+0x3e4/0x430
[  566.255549][ T9053]  ? kobject_init+0x1f0/0x1f0
[  566.260220][ T9053]  ? get_device_parent+0x25d/0x410
[  566.265414][ T9053]  ? device_add+0x30f/0xc90
[  566.270649][ T9053]  device_add+0x449/0xc90
[  566.275248][ T9053]  tty_register_device_attr+0x437/0x960
[  566.280794][ T9053]  ? tty_register_device+0x30/0x30
[  566.286179][ T9053]  ? gsm_dlci_alloc+0x354/0x6e0
[  566.291379][ T9053]  gsm_activate_mux+0xe9/0x290
[  566.296447][ T9053]  gsmld_ioctl+0x1858/0x25b0
[  566.301032][ T9053]  ? tomoyo_path_number_perm+0x663/0x840
[  566.306755][ T9053]  ? gsmld_write+0x120/0x120
[  566.311337][ T9053]  ? __vt_event_wait+0x240/0x240
[  566.316804][ T9053]  ? ldsem_down_read+0xb4/0xe0
[  566.321579][ T9053]  ? gsmld_write+0x120/0x120
[  566.326254][ T9053]  tty_ioctl+0x98c/0xda0
[  566.330487][ T9053]  ? security_file_ioctl+0x81/0xa0
[  566.336074][ T9053]  ? tty_get_icount+0xb0/0xb0
[  566.340742][ T9053]  __se_sys_ioctl+0xf8/0x170
[  566.345413][ T9053]  do_syscall_64+0x41/0xc0
[  566.349923][ T9053]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  566.355895][ T9053] RIP: 0033:0x7f68b62c56e9
[  566.360306][ T9053] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  566.380161][ T9053] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  566.389035][ T9053] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  566.397977][ T9053] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  566.406479][ T9053] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  566.414703][ T9053] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  566.422765][ T9053] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  566.430874][ T9053]  </TASK>
[  566.465216][ T9053] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.662468][ T9056] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  566.680524][ T9056] CPU: 1 PID: 9056 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  566.691079][ T9056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  566.701259][ T9056] Call Trace:
[  566.704649][ T9056]  <TASK>
[  566.707693][ T9056]  dump_stack_lvl+0x1e7/0x2d0
[  566.712576][ T9056]  ? nf_tcp_handle_invalid+0x650/0x650
[  566.718066][ T9056]  ? panic+0x770/0x770
[  566.722182][ T9056]  sysfs_create_dir_ns+0x2ca/0x390
[  566.727332][ T9056]  ? sysfs_warn_dup+0xa0/0xa0
[  566.732049][ T9056]  kobject_add_internal+0x61d/0xc30
[  566.737468][ T9056]  kobject_add+0x152/0x210
[  566.741927][ T9056]  ? kobject_put+0x3e4/0x430
[  566.746644][ T9056]  ? kobject_init+0x1f0/0x1f0
[  566.751921][ T9056]  ? get_device_parent+0x25d/0x410
[  566.757353][ T9056]  ? device_add+0x30f/0xc90
[  566.762082][ T9056]  device_add+0x449/0xc90
[  566.766456][ T9056]  tty_register_device_attr+0x437/0x960
[  566.772130][ T9056]  ? tty_register_device+0x30/0x30
[  566.777634][ T9056]  ? gsm_dlci_alloc+0x354/0x6e0
[  566.782558][ T9056]  gsm_activate_mux+0xe9/0x290
[  566.787543][ T9056]  gsmld_ioctl+0x1858/0x25b0
[  566.792189][ T9056]  ? tomoyo_path_number_perm+0x663/0x840
[  566.797962][ T9056]  ? gsmld_write+0x120/0x120
[  566.802592][ T9056]  ? __vt_event_wait+0x240/0x240
[  566.807581][ T9056]  ? ldsem_down_read+0xb4/0xe0
[  566.812467][ T9056]  ? gsmld_write+0x120/0x120
[  566.817351][ T9056]  tty_ioctl+0x98c/0xda0
[  566.822592][ T9056]  ? security_file_ioctl+0x81/0xa0
[  566.827915][ T9056]  ? tty_get_icount+0xb0/0xb0
[  566.832803][ T9056]  __se_sys_ioctl+0xf8/0x170
[  566.837428][ T9056]  do_syscall_64+0x41/0xc0
[  566.841882][ T9056]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  566.849548][ T9056] RIP: 0033:0x7f68b62c56e9
[  566.854185][ T9056] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  566.874249][ T9056] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  566.883033][ T9056] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  566.891102][ T9056] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  566.899352][ T9056] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  566.907422][ T9056] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  566.915690][ T9056] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  566.923782][ T9056]  </TASK>
[  566.927793][ T9056] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.103000][ T9060] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  567.111561][ T9060] CPU: 0 PID: 9060 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  567.121664][ T9060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  567.131827][ T9060] Call Trace:
[  567.135236][ T9060]  <TASK>
[  567.138356][ T9060]  dump_stack_lvl+0x1e7/0x2d0
[  567.143151][ T9060]  ? nf_tcp_handle_invalid+0x650/0x650
[  567.148636][ T9060]  ? panic+0x770/0x770
[  567.152744][ T9060]  sysfs_create_dir_ns+0x2ca/0x390
[  567.157894][ T9060]  ? sysfs_warn_dup+0xa0/0xa0
[  567.162703][ T9060]  kobject_add_internal+0x61d/0xc30
[  567.167941][ T9060]  kobject_add+0x152/0x210
[  567.172397][ T9060]  ? kobject_put+0x3e4/0x430
[  567.177023][ T9060]  ? kobject_init+0x1f0/0x1f0
[  567.181732][ T9060]  ? get_device_parent+0x25d/0x410
[  567.186879][ T9060]  ? device_add+0x30f/0xc90
[  567.191409][ T9060]  device_add+0x449/0xc90
[  567.195769][ T9060]  tty_register_device_attr+0x437/0x960
[  567.201344][ T9060]  ? tty_register_device+0x30/0x30
[  567.206572][ T9060]  ? gsm_dlci_alloc+0x354/0x6e0
[  567.211448][ T9060]  gsm_activate_mux+0xe9/0x290
[  567.216345][ T9060]  gsmld_ioctl+0x1858/0x25b0
[  567.221397][ T9060]  ? tomoyo_path_number_perm+0x663/0x840
[  567.227175][ T9060]  ? gsmld_write+0x120/0x120
[  567.231896][ T9060]  ? __vt_event_wait+0x240/0x240
[  567.236960][ T9060]  ? ldsem_down_read+0xb4/0xe0
[  567.241850][ T9060]  ? gsmld_write+0x120/0x120
[  567.246575][ T9060]  tty_ioctl+0x98c/0xda0
[  567.251198][ T9060]  ? security_file_ioctl+0x81/0xa0
[  567.256338][ T9060]  ? tty_get_icount+0xb0/0xb0
[  567.261238][ T9060]  __se_sys_ioctl+0xf8/0x170
[  567.265868][ T9060]  do_syscall_64+0x41/0xc0
[  567.271786][ T9060]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  567.278323][ T9060] RIP: 0033:0x7f68b62c56e9
[  567.282731][ T9060] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  567.302453][ T9060] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  567.311296][ T9060] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  567.319360][ T9060] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  567.327598][ T9060] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  567.336267][ T9060] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  567.344243][ T9060] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  567.352301][ T9060]  </TASK>
[  567.357544][ T9060] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.526908][ T9063] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  567.536820][ T9063] CPU: 0 PID: 9063 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  567.547014][ T9063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  567.557351][ T9063] Call Trace:
[  567.560651][ T9063]  <TASK>
[  567.563597][ T9063]  dump_stack_lvl+0x1e7/0x2d0
[  567.568302][ T9063]  ? nf_tcp_handle_invalid+0x650/0x650
[  567.573793][ T9063]  ? panic+0x770/0x770
[  567.577902][ T9063]  sysfs_create_dir_ns+0x2ca/0x390
[  567.583069][ T9063]  ? sysfs_warn_dup+0xa0/0xa0
[  567.587777][ T9063]  kobject_add_internal+0x61d/0xc30
[  567.593012][ T9063]  kobject_add+0x152/0x210
[  567.597467][ T9063]  ? kobject_put+0x3e4/0x430
[  567.602264][ T9063]  ? kobject_init+0x1f0/0x1f0
[  567.607325][ T9063]  ? get_device_parent+0x25d/0x410
[  567.608296][ T9064] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  567.613068][ T9063]  ? device_add+0x30f/0xc90
[  567.626936][ T9063]  device_add+0x449/0xc90
[  567.633113][ T9063]  tty_register_device_attr+0x437/0x960
[  567.638672][ T9063]  ? tty_register_device+0x30/0x30
[  567.643966][ T9063]  ? gsm_dlci_alloc+0x354/0x6e0
[  567.648916][ T9063]  gsm_activate_mux+0xe9/0x290
[  567.653684][ T9063]  gsmld_ioctl+0x1858/0x25b0
[  567.658369][ T9063]  ? tomoyo_path_number_perm+0x663/0x840
[  567.664103][ T9063]  ? gsmld_write+0x120/0x120
[  567.668695][ T9063]  ? __vt_event_wait+0x240/0x240
[  567.673738][ T9063]  ? ldsem_down_read+0xb4/0xe0
[  567.679200][ T9063]  ? gsmld_write+0x120/0x120
[  567.683794][ T9063]  tty_ioctl+0x98c/0xda0
[  567.688214][ T9063]  ? security_file_ioctl+0x81/0xa0
[  567.693500][ T9063]  ? tty_get_icount+0xb0/0xb0
[  567.698266][ T9063]  __se_sys_ioctl+0xf8/0x170
[  567.702860][ T9063]  do_syscall_64+0x41/0xc0
[  567.707282][ T9063]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  567.713348][ T9063] RIP: 0033:0x7f68b62c56e9
[  567.717851][ T9063] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  567.738401][ T9063] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  567.747087][ T9063] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  567.755681][ T9063] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  567.764008][ T9063] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  567.772494][ T9063] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  567.781132][ T9063] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  567.789287][ T9063]  </TASK>
[  567.792301][ T9064] CPU: 1 PID: 9064 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  567.802569][ T9064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  567.813154][ T9064] Call Trace:
[  567.816429][ T9064]  <TASK>
[  567.819350][ T9064]  dump_stack_lvl+0x1e7/0x2d0
[  567.824122][ T9064]  ? nf_tcp_handle_invalid+0x650/0x650
[  567.829572][ T9064]  ? panic+0x770/0x770
[  567.833644][ T9064]  sysfs_create_dir_ns+0x2ca/0x390
[  567.838752][ T9064]  ? sysfs_warn_dup+0xa0/0xa0
[  567.843511][ T9064]  kobject_add_internal+0x61d/0xc30
[  567.848806][ T9064]  kobject_add+0x152/0x210
[  567.853222][ T9064]  ? kobject_put+0x3e4/0x430
[  567.857812][ T9064]  ? kobject_init+0x1f0/0x1f0
[  567.862528][ T9064]  ? get_device_parent+0x25d/0x410
[  567.867647][ T9064]  ? device_add+0x30f/0xc90
[  567.872243][ T9064]  device_add+0x449/0xc90
[  567.876575][ T9064]  tty_register_device_attr+0x437/0x960
[  567.882223][ T9064]  ? tty_register_device+0x30/0x30
[  567.887330][ T9064]  ? gsm_dlci_alloc+0x354/0x6e0
[  567.892347][ T9064]  gsm_activate_mux+0xe9/0x290
[  567.897105][ T9064]  gsmld_ioctl+0x1858/0x25b0
[  567.901861][ T9064]  ? tomoyo_path_number_perm+0x663/0x840
[  567.907927][ T9064]  ? gsmld_write+0x120/0x120
[  567.912637][ T9064]  ? __vt_event_wait+0x240/0x240
[  567.918126][ T9064]  ? ldsem_down_read+0xb4/0xe0
[  567.923179][ T9064]  ? gsmld_write+0x120/0x120
[  567.928048][ T9064]  tty_ioctl+0x98c/0xda0
[  567.932922][ T9064]  ? security_file_ioctl+0x81/0xa0
[  567.938231][ T9064]  ? tty_get_icount+0xb0/0xb0
[  567.943203][ T9064]  __se_sys_ioctl+0xf8/0x170
[  567.947985][ T9064]  do_syscall_64+0x41/0xc0
[  567.952414][ T9064]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  567.958327][ T9064] RIP: 0033:0x7f68b62c56e9
[  567.962736][ T9064] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  567.982794][ T9064] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  567.991475][ T9064] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  567.999440][ T9064] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  568.007490][ T9064] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  568.015453][ T9064] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  568.023497][ T9064] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  568.031461][ T9064]  </TASK>
[  568.036379][ T9064] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.042681][ T9063] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.256931][ T9067] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  568.281746][ T9067] CPU: 1 PID: 9067 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  568.291958][ T9067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  568.302124][ T9067] Call Trace:
[  568.305425][ T9067]  <TASK>
[  568.308379][ T9067]  dump_stack_lvl+0x1e7/0x2d0
[  568.313178][ T9067]  ? nf_tcp_handle_invalid+0x650/0x650
[  568.313899][ T9068] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  568.318655][ T9067]  ? panic+0x770/0x770
[  568.318685][ T9067]  sysfs_create_dir_ns+0x2ca/0x390
[  568.318713][ T9067]  ? sysfs_warn_dup+0xa0/0xa0
[  568.318733][ T9067]  kobject_add_internal+0x61d/0xc30
[  568.318760][ T9067]  kobject_add+0x152/0x210
[  568.351685][ T9067]  ? kobject_put+0x3e4/0x430
[  568.356323][ T9067]  ? kobject_init+0x1f0/0x1f0
[  568.361045][ T9067]  ? get_device_parent+0x25d/0x410
[  568.366186][ T9067]  ? device_add+0x30f/0xc90
[  568.370710][ T9067]  device_add+0x449/0xc90
[  568.375043][ T9067]  tty_register_device_attr+0x437/0x960
[  568.380590][ T9067]  ? tty_register_device+0x30/0x30
[  568.385737][ T9067]  ? gsm_dlci_alloc+0x354/0x6e0
[  568.391039][ T9067]  gsm_activate_mux+0xe9/0x290
[  568.395802][ T9067]  gsmld_ioctl+0x1858/0x25b0
[  568.400473][ T9067]  ? tomoyo_path_number_perm+0x663/0x840
[  568.406299][ T9067]  ? gsmld_write+0x120/0x120
[  568.410946][ T9067]  ? __vt_event_wait+0x240/0x240
[  568.416231][ T9067]  ? ldsem_down_read+0xb4/0xe0
[  568.421079][ T9067]  ? gsmld_write+0x120/0x120
[  568.425667][ T9067]  tty_ioctl+0x98c/0xda0
[  568.429925][ T9067]  ? security_file_ioctl+0x81/0xa0
[  568.435078][ T9067]  ? tty_get_icount+0xb0/0xb0
[  568.439951][ T9067]  __se_sys_ioctl+0xf8/0x170
[  568.444577][ T9067]  do_syscall_64+0x41/0xc0
[  568.449367][ T9067]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  568.455266][ T9067] RIP: 0033:0x7f68b62c56e9
[  568.459694][ T9067] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  568.479466][ T9067] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  568.487990][ T9067] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  568.496338][ T9067] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  568.505118][ T9067] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  568.513697][ T9067] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  568.521746][ T9067] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  568.530322][ T9067]  </TASK>
[  568.545987][ T9068] CPU: 0 PID: 9068 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  568.551136][ T9067] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.556082][ T9068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  568.556097][ T9068] Call Trace:
[  568.556105][ T9068]  <TASK>
[  568.556112][ T9068]  dump_stack_lvl+0x1e7/0x2d0
[  568.556143][ T9068]  ? nf_tcp_handle_invalid+0x650/0x650
[  568.596502][ T9068]  ? panic+0x770/0x770
[  568.600577][ T9068]  sysfs_create_dir_ns+0x2ca/0x390
[  568.605772][ T9068]  ? sysfs_warn_dup+0xa0/0xa0
[  568.610445][ T9068]  kobject_add_internal+0x61d/0xc30
[  568.615646][ T9068]  kobject_add+0x152/0x210
[  568.620066][ T9068]  ? kobject_put+0x3e4/0x430
[  568.625202][ T9068]  ? kobject_init+0x1f0/0x1f0
[  568.629910][ T9068]  ? get_device_parent+0x25d/0x410
[  568.635132][ T9068]  ? device_add+0x30f/0xc90
[  568.639742][ T9068]  device_add+0x449/0xc90
[  568.644169][ T9068]  tty_register_device_attr+0x437/0x960
[  568.649726][ T9068]  ? tty_register_device+0x30/0x30
[  568.654832][ T9068]  ? gsm_dlci_alloc+0x354/0x6e0
[  568.659851][ T9068]  gsm_activate_mux+0xe9/0x290
[  568.664615][ T9068]  gsmld_ioctl+0x1858/0x25b0
[  568.669215][ T9068]  ? tomoyo_path_number_perm+0x663/0x840
[  568.674884][ T9068]  ? gsmld_write+0x120/0x120
[  568.679592][ T9068]  ? __vt_event_wait+0x240/0x240
[  568.684809][ T9068]  ? ldsem_down_read+0xb4/0xe0
[  568.689673][ T9068]  ? gsmld_write+0x120/0x120
[  568.694288][ T9068]  tty_ioctl+0x98c/0xda0
[  568.698559][ T9068]  ? security_file_ioctl+0x81/0xa0
[  568.703756][ T9068]  ? tty_get_icount+0xb0/0xb0
[  568.708610][ T9068]  __se_sys_ioctl+0xf8/0x170
[  568.713723][ T9068]  do_syscall_64+0x41/0xc0
[  568.718692][ T9068]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  568.724605][ T9068] RIP: 0033:0x7f68b62c56e9
[  568.729109][ T9068] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  568.749175][ T9068] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  568.760171][ T9068] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  568.768702][ T9068] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  568.776770][ T9068] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  568.785101][ T9068] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  568.793091][ T9068] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  568.801254][ T9068]  </TASK>
[  568.856616][ T9068] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.057104][ T9071] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  569.084786][ T9071] CPU: 0 PID: 9071 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  569.095360][ T9071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  569.105791][ T9071] Call Trace:
[  569.109096][ T9071]  <TASK>
[  569.112066][ T9071]  dump_stack_lvl+0x1e7/0x2d0
[  569.117918][ T9071]  ? nf_tcp_handle_invalid+0x650/0x650
[  569.123448][ T9071]  ? panic+0x770/0x770
[  569.127565][ T9071]  sysfs_create_dir_ns+0x2ca/0x390
[  569.132808][ T9071]  ? sysfs_warn_dup+0xa0/0xa0
[  569.137539][ T9071]  kobject_add_internal+0x61d/0xc30
[  569.143148][ T9071]  kobject_add+0x152/0x210
[  569.147754][ T9071]  ? kobject_put+0x3e4/0x430
[  569.152540][ T9071]  ? kobject_init+0x1f0/0x1f0
[  569.157587][ T9071]  ? get_device_parent+0x25d/0x410
[  569.162882][ T9071]  ? device_add+0x30f/0xc90
[  569.167386][ T9071]  device_add+0x449/0xc90
[  569.171724][ T9071]  tty_register_device_attr+0x437/0x960
[  569.177278][ T9071]  ? tty_register_device+0x30/0x30
[  569.182435][ T9071]  ? gsm_dlci_alloc+0x354/0x6e0
[  569.187531][ T9071]  gsm_activate_mux+0xe9/0x290
[  569.192312][ T9071]  gsmld_ioctl+0x1858/0x25b0
[  569.197265][ T9071]  ? tomoyo_path_number_perm+0x663/0x840
[  569.203116][ T9071]  ? gsmld_write+0x120/0x120
[  569.208075][ T9071]  ? __vt_event_wait+0x240/0x240
[  569.213155][ T9071]  ? ldsem_down_read+0xb4/0xe0
[  569.219208][ T9071]  ? gsmld_write+0x120/0x120
[  569.224479][ T9071]  tty_ioctl+0x98c/0xda0
[  569.229134][ T9071]  ? security_file_ioctl+0x81/0xa0
[  569.235082][ T9071]  ? tty_get_icount+0xb0/0xb0
[  569.239898][ T9071]  __se_sys_ioctl+0xf8/0x170
[  569.245240][ T9071]  do_syscall_64+0x41/0xc0
[  569.249890][ T9071]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  569.256162][ T9071] RIP: 0033:0x7f68b62c56e9
[  569.260724][ T9071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  569.284187][ T9071] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  569.293769][ T9071] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  569.303515][ T9071] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  569.312055][ T9071] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  569.320553][ T9071] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  569.329310][ T9071] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  569.338224][ T9071]  </TASK>
[  569.348661][ T9072] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  569.358029][ T9072] CPU: 0 PID: 9072 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  569.368414][ T9072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  569.378929][ T9072] Call Trace:
[  569.382490][ T9072]  <TASK>
[  569.385440][ T9072]  dump_stack_lvl+0x1e7/0x2d0
[  569.390185][ T9072]  ? nf_tcp_handle_invalid+0x650/0x650
[  569.396028][ T9072]  ? panic+0x770/0x770
[  569.400660][ T9072]  sysfs_create_dir_ns+0x2ca/0x390
[  569.405898][ T9072]  ? sysfs_warn_dup+0xa0/0xa0
[  569.411106][ T9072]  kobject_add_internal+0x61d/0xc30
[  569.416528][ T9072]  kobject_add+0x152/0x210
[  569.421255][ T9072]  ? kobject_put+0x3e4/0x430
[  569.425881][ T9072]  ? kobject_init+0x1f0/0x1f0
[  569.430833][ T9072]  ? get_device_parent+0x25d/0x410
[  569.439550][ T9072]  ? device_add+0x30f/0xc90
[  569.444767][ T9072]  device_add+0x449/0xc90
[  569.449105][ T9072]  tty_register_device_attr+0x437/0x960
[  569.454872][ T9072]  ? tty_register_device+0x30/0x30
[  569.460464][ T9072]  ? gsm_dlci_alloc+0x354/0x6e0
[  569.465899][ T9072]  gsm_activate_mux+0xe9/0x290
[  569.471052][ T9072]  gsmld_ioctl+0x1858/0x25b0
[  569.475845][ T9072]  ? tomoyo_path_number_perm+0x663/0x840
[  569.483400][ T9072]  ? gsmld_write+0x120/0x120
[  569.488364][ T9072]  ? __vt_event_wait+0x240/0x240
[  569.493550][ T9072]  ? ldsem_down_read+0xb4/0xe0
[  569.498936][ T9072]  ? gsmld_write+0x120/0x120
[  569.503565][ T9072]  tty_ioctl+0x98c/0xda0
[  569.508031][ T9072]  ? security_file_ioctl+0x81/0xa0
[  569.513246][ T9072]  ? tty_get_icount+0xb0/0xb0
[  569.517925][ T9072]  __se_sys_ioctl+0xf8/0x170
[  569.523458][ T9072]  do_syscall_64+0x41/0xc0
[  569.528686][ T9072]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  569.534597][ T9072] RIP: 0033:0x7f68b62c56e9
[  569.539040][ T9072] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  569.558825][ T9072] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  569.567596][ T9072] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  569.576525][ T9072] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  569.585048][ T9072] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  569.594228][ T9072] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  569.603167][ T9072] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  569.611881][ T9072]  </TASK>
[  569.615773][ T9071] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.625060][ T9072] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.808783][ T9075] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  569.819071][ T9075] CPU: 1 PID: 9075 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  569.829738][ T9075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  569.840936][ T9075] Call Trace:
[  569.844495][ T9075]  <TASK>
[  569.847453][ T9075]  dump_stack_lvl+0x1e7/0x2d0
[  569.852267][ T9075]  ? nf_tcp_handle_invalid+0x650/0x650
[  569.857846][ T9075]  ? panic+0x770/0x770
[  569.862207][ T9075]  sysfs_create_dir_ns+0x2ca/0x390
[  569.867538][ T9075]  ? sysfs_warn_dup+0xa0/0xa0
[  569.872431][ T9075]  kobject_add_internal+0x61d/0xc30
[  569.877761][ T9075]  kobject_add+0x152/0x210
[  569.882230][ T9075]  ? kobject_put+0x3e4/0x430
[  569.886861][ T9075]  ? kobject_init+0x1f0/0x1f0
[  569.891582][ T9075]  ? get_device_parent+0x25d/0x410
[  569.896729][ T9075]  ? device_add+0x30f/0xc90
[  569.901301][ T9075]  device_add+0x449/0xc90
[  569.905671][ T9075]  tty_register_device_attr+0x437/0x960
[  569.911629][ T9075]  ? tty_register_device+0x30/0x30
[  569.916875][ T9075]  ? gsm_dlci_alloc+0x354/0x6e0
[  569.921764][ T9075]  gsm_activate_mux+0xe9/0x290
[  569.926572][ T9075]  gsmld_ioctl+0x1858/0x25b0
[  569.931295][ T9075]  ? tomoyo_path_number_perm+0x663/0x840
[  569.936987][ T9075]  ? gsmld_write+0x120/0x120
[  569.941630][ T9075]  ? __vt_event_wait+0x240/0x240
[  569.946620][ T9075]  ? ldsem_down_read+0xb4/0xe0
[  569.951788][ T9075]  ? gsmld_write+0x120/0x120
[  569.956692][ T9075]  tty_ioctl+0x98c/0xda0
[  569.961067][ T9075]  ? security_file_ioctl+0x81/0xa0
[  569.967489][ T9075]  ? tty_get_icount+0xb0/0xb0
[  569.972543][ T9075]  __se_sys_ioctl+0xf8/0x170
[  569.977441][ T9075]  do_syscall_64+0x41/0xc0
[  569.981995][ T9075]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  569.988718][ T9075] RIP: 0033:0x7f68b62c56e9
[  569.993718][ T9075] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  570.013871][ T9075] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  570.022745][ T9075] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  570.030979][ T9075] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  570.039221][ T9075] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  570.047216][ T9075] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  570.055782][ T9075] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  570.064133][ T9075]  </TASK>
[  570.070204][ T9075] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.253560][ T9078] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.272480][ T9078] CPU: 1 PID: 9078 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  570.283490][ T9078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  570.293787][ T9078] Call Trace:
[  570.297171][ T9078]  <TASK>
[  570.300138][ T9078]  dump_stack_lvl+0x1e7/0x2d0
[  570.304850][ T9078]  ? nf_tcp_handle_invalid+0x650/0x650
[  570.310432][ T9078]  ? panic+0x770/0x770
[  570.314624][ T9078]  sysfs_create_dir_ns+0x2ca/0x390
[  570.319861][ T9078]  ? sysfs_warn_dup+0xa0/0xa0
[  570.324836][ T9078]  kobject_add_internal+0x61d/0xc30
[  570.330183][ T9078]  kobject_add+0x152/0x210
[  570.334827][ T9078]  ? kobject_put+0x3e4/0x430
[  570.340170][ T9078]  ? kobject_init+0x1f0/0x1f0
[  570.345090][ T9078]  ? get_device_parent+0x25d/0x410
[  570.350591][ T9078]  ? device_add+0x30f/0xc90
[  570.355323][ T9078]  device_add+0x449/0xc90
[  570.359714][ T9078]  tty_register_device_attr+0x437/0x960
[  570.365686][ T9078]  ? tty_register_device+0x30/0x30
[  570.371031][ T9078]  ? gsm_dlci_alloc+0x354/0x6e0
[  570.376005][ T9078]  gsm_activate_mux+0xe9/0x290
[  570.380902][ T9078]  gsmld_ioctl+0x1858/0x25b0
[  570.385974][ T9078]  ? tomoyo_path_number_perm+0x663/0x840
[  570.391835][ T9078]  ? gsmld_write+0x120/0x120
[  570.396747][ T9078]  ? __vt_event_wait+0x240/0x240
[  570.401912][ T9078]  ? ldsem_down_read+0xb4/0xe0
[  570.407168][ T9078]  ? gsmld_write+0x120/0x120
[  570.411891][ T9078]  tty_ioctl+0x98c/0xda0
[  570.416967][ T9078]  ? security_file_ioctl+0x81/0xa0
[  570.422649][ T9078]  ? tty_get_icount+0xb0/0xb0
[  570.427649][ T9078]  __se_sys_ioctl+0xf8/0x170
[  570.432265][ T9078]  do_syscall_64+0x41/0xc0
[  570.436861][ T9078]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  570.442759][ T9078] RIP: 0033:0x7f68b62c56e9
[  570.447442][ T9078] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  570.468274][ T9078] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  570.477032][ T9078] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  570.487369][ T9078] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  570.495427][ T9078] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  570.503503][ T9078] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  570.511594][ T9078] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  570.519656][ T9078]  </TASK>
[  570.523470][ T9078] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.698181][ T9081] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.708002][ T9081] CPU: 1 PID: 9081 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  570.719452][ T9081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  570.729811][ T9081] Call Trace:
[  570.733297][ T9081]  <TASK>
[  570.736271][ T9081]  dump_stack_lvl+0x1e7/0x2d0
[  570.741265][ T9081]  ? nf_tcp_handle_invalid+0x650/0x650
[  570.746774][ T9081]  ? panic+0x770/0x770
[  570.752038][ T9081]  sysfs_create_dir_ns+0x2ca/0x390
[  570.759882][ T9081]  ? sysfs_warn_dup+0xa0/0xa0
[  570.765849][ T9081]  kobject_add_internal+0x61d/0xc30
[  570.771149][ T9081]  kobject_add+0x152/0x210
[  570.775709][ T9081]  ? kobject_put+0x3e4/0x430
[  570.780569][ T9081]  ? kobject_init+0x1f0/0x1f0
[  570.786870][ T9081]  ? get_device_parent+0x25d/0x410
[  570.793799][ T9081]  ? device_add+0x30f/0xc90
[  570.798556][ T9081]  device_add+0x449/0xc90
[  570.805921][ T9081]  tty_register_device_attr+0x437/0x960
[  570.812761][ T9081]  ? tty_register_device+0x30/0x30
[  570.819023][ T9081]  ? gsm_dlci_alloc+0x354/0x6e0
[  570.824554][ T9081]  gsm_activate_mux+0xe9/0x290
[  570.829384][ T9081]  gsmld_ioctl+0x1858/0x25b0
[  570.834921][ T9081]  ? tomoyo_path_number_perm+0x663/0x840
[  570.840798][ T9081]  ? gsmld_write+0x120/0x120
[  570.845810][ T9081]  ? __vt_event_wait+0x240/0x240
[  570.851096][ T9081]  ? ldsem_down_read+0xb4/0xe0
[  570.856114][ T9081]  ? gsmld_write+0x120/0x120
[  570.861381][ T9081]  tty_ioctl+0x98c/0xda0
[  570.866335][ T9081]  ? security_file_ioctl+0x81/0xa0
[  570.871931][ T9081]  ? tty_get_icount+0xb0/0xb0
[  570.877462][ T9081]  __se_sys_ioctl+0xf8/0x170
[  570.883256][ T9081]  do_syscall_64+0x41/0xc0
[  570.888229][ T9081]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  570.894532][ T9081] RIP: 0033:0x7f68b62c56e9
[  570.899164][ T9081] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  570.920548][ T9081] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  570.929253][ T9081] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  570.937220][ T9081] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  570.945197][ T9081] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  570.953250][ T9081] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  570.961395][ T9081] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  570.970062][ T9081]  </TASK>
[  570.974324][ T9081] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.147663][ T9084] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  571.168154][ T9084] CPU: 1 PID: 9084 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  571.178921][ T9084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  571.189005][ T9084] Call Trace:
[  571.192500][ T9084]  <TASK>
[  571.195552][ T9084]  dump_stack_lvl+0x1e7/0x2d0
[  571.200274][ T9084]  ? nf_tcp_handle_invalid+0x650/0x650
[  571.205782][ T9084]  ? panic+0x770/0x770
[  571.209897][ T9084]  sysfs_create_dir_ns+0x2ca/0x390
[  571.215492][ T9084]  ? sysfs_warn_dup+0xa0/0xa0
[  571.220273][ T9084]  kobject_add_internal+0x61d/0xc30
[  571.226181][ T9084]  kobject_add+0x152/0x210
[  571.230952][ T9084]  ? kobject_put+0x3e4/0x430
[  571.235798][ T9084]  ? kobject_init+0x1f0/0x1f0
[  571.240599][ T9084]  ? get_device_parent+0x25d/0x410
[  571.245716][ T9084]  ? device_add+0x30f/0xc90
[  571.250655][ T9084]  device_add+0x449/0xc90
[  571.255089][ T9084]  tty_register_device_attr+0x437/0x960
[  571.260638][ T9084]  ? tty_register_device+0x30/0x30
[  571.265742][ T9084]  ? gsm_dlci_alloc+0x354/0x6e0
[  571.270591][ T9084]  gsm_activate_mux+0xe9/0x290
[  571.275439][ T9084]  gsmld_ioctl+0x1858/0x25b0
[  571.280022][ T9084]  ? tomoyo_path_number_perm+0x663/0x840
[  571.285754][ T9084]  ? gsmld_write+0x120/0x120
[  571.290514][ T9084]  ? __vt_event_wait+0x240/0x240
[  571.295636][ T9084]  ? ldsem_down_read+0xb4/0xe0
[  571.300400][ T9084]  ? gsmld_write+0x120/0x120
[  571.305053][ T9084]  tty_ioctl+0x98c/0xda0
[  571.309388][ T9084]  ? security_file_ioctl+0x81/0xa0
[  571.314496][ T9084]  ? tty_get_icount+0xb0/0xb0
[  571.319516][ T9084]  __se_sys_ioctl+0xf8/0x170
[  571.324560][ T9084]  do_syscall_64+0x41/0xc0
[  571.329088][ T9084]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  571.335101][ T9084] RIP: 0033:0x7f68b62c56e9
[  571.339898][ T9084] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  571.360006][ T9084] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  571.369144][ T9084] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  571.377144][ T9084] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  571.385234][ T9084] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  571.393488][ T9084] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  571.401460][ T9084] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  571.409431][ T9084]  </TASK>
[  571.413634][ T9085] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  571.422765][ T9085] CPU: 1 PID: 9085 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  571.432969][ T9085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  571.443310][ T9085] Call Trace:
[  571.446593][ T9085]  <TASK>
[  571.449676][ T9085]  dump_stack_lvl+0x1e7/0x2d0
[  571.454380][ T9085]  ? nf_tcp_handle_invalid+0x650/0x650
[  571.460106][ T9085]  ? panic+0x770/0x770
[  571.464181][ T9085]  sysfs_create_dir_ns+0x2ca/0x390
[  571.469393][ T9085]  ? sysfs_warn_dup+0xa0/0xa0
[  571.474108][ T9085]  kobject_add_internal+0x61d/0xc30
[  571.479462][ T9085]  kobject_add+0x152/0x210
[  571.483894][ T9085]  ? kobject_put+0x3e4/0x430
[  571.488497][ T9085]  ? kobject_init+0x1f0/0x1f0
[  571.493262][ T9085]  ? get_device_parent+0x25d/0x410
[  571.498375][ T9085]  ? device_add+0x30f/0xc90
[  571.503088][ T9085]  device_add+0x449/0xc90
[  571.507521][ T9085]  tty_register_device_attr+0x437/0x960
[  571.513105][ T9085]  ? tty_register_device+0x30/0x30
[  571.518224][ T9085]  ? gsm_dlci_alloc+0x354/0x6e0
[  571.523170][ T9085]  gsm_activate_mux+0xe9/0x290
[  571.527931][ T9085]  gsmld_ioctl+0x1858/0x25b0
[  571.532527][ T9085]  ? tomoyo_path_number_perm+0x663/0x840
[  571.538176][ T9085]  ? gsmld_write+0x120/0x120
[  571.542767][ T9085]  ? __vt_event_wait+0x240/0x240
[  571.547708][ T9085]  ? ldsem_down_read+0xb4/0xe0
[  571.552466][ T9085]  ? gsmld_write+0x120/0x120
[  571.557070][ T9085]  tty_ioctl+0x98c/0xda0
[  571.561393][ T9085]  ? security_file_ioctl+0x81/0xa0
[  571.566497][ T9085]  ? tty_get_icount+0xb0/0xb0
[  571.571268][ T9085]  __se_sys_ioctl+0xf8/0x170
[  571.575942][ T9085]  do_syscall_64+0x41/0xc0
[  571.580361][ T9085]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  571.586442][ T9085] RIP: 0033:0x7f68b62c56e9
[  571.591138][ T9085] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  571.612301][ T9085] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  571.620822][ T9085] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  571.630538][ T9085] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  571.638506][ T9085] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  571.646818][ T9085] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  571.655036][ T9085] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  571.663089][ T9085]  </TASK>
[  571.667653][ T9084] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.697117][ T9085] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.892253][ T9088] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  571.912810][ T9088] CPU: 1 PID: 9088 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  571.923200][ T9088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  571.933291][ T9088] Call Trace:
[  571.936609][ T9088]  <TASK>
[  571.939817][ T9088]  dump_stack_lvl+0x1e7/0x2d0
[  571.944530][ T9088]  ? nf_tcp_handle_invalid+0x650/0x650
[  571.950018][ T9088]  ? panic+0x770/0x770
[  571.954232][ T9088]  sysfs_create_dir_ns+0x2ca/0x390
[  571.959465][ T9088]  ? sysfs_warn_dup+0xa0/0xa0
[  571.964263][ T9088]  kobject_add_internal+0x61d/0xc30
[  571.969498][ T9088]  kobject_add+0x152/0x210
[  571.973956][ T9088]  ? kobject_put+0x3e4/0x430
[  571.978583][ T9088]  ? kobject_init+0x1f0/0x1f0
[  571.983467][ T9088]  ? get_device_parent+0x25d/0x410
[  571.988610][ T9088]  ? device_add+0x30f/0xc90
[  571.993229][ T9088]  device_add+0x449/0xc90
[  571.997678][ T9088]  tty_register_device_attr+0x437/0x960
[  572.003287][ T9088]  ? tty_register_device+0x30/0x30
[  572.008516][ T9088]  ? gsm_dlci_alloc+0x354/0x6e0
[  572.013402][ T9088]  gsm_activate_mux+0xe9/0x290
[  572.018272][ T9088]  gsmld_ioctl+0x1858/0x25b0
[  572.022960][ T9088]  ? tomoyo_path_number_perm+0x663/0x840
[  572.028784][ T9088]  ? gsmld_write+0x120/0x120
[  572.033370][ T9088]  ? __vt_event_wait+0x240/0x240
[  572.038308][ T9088]  ? ldsem_down_read+0xb4/0xe0
[  572.043069][ T9088]  ? gsmld_write+0x120/0x120
[  572.048261][ T9088]  tty_ioctl+0x98c/0xda0
[  572.052505][ T9088]  ? security_file_ioctl+0x81/0xa0
[  572.057782][ T9088]  ? tty_get_icount+0xb0/0xb0
[  572.062460][ T9088]  __se_sys_ioctl+0xf8/0x170
[  572.067140][ T9088]  do_syscall_64+0x41/0xc0
[  572.071552][ T9088]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  572.077525][ T9088] RIP: 0033:0x7f68b62c56e9
[  572.082047][ T9088] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  572.102098][ T9088] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  572.110953][ T9088] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  572.119439][ T9088] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  572.127593][ T9088] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  572.135645][ T9088] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  572.143793][ T9088] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  572.151849][ T9088]  </TASK>
[  572.159232][ T9089] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  572.168149][ T9089] CPU: 1 PID: 9089 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  572.178419][ T9089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  572.188580][ T9089] Call Trace:
[  572.191857][ T9089]  <TASK>
[  572.194873][ T9089]  dump_stack_lvl+0x1e7/0x2d0
[  572.199563][ T9089]  ? nf_tcp_handle_invalid+0x650/0x650
[  572.205166][ T9089]  ? panic+0x770/0x770
[  572.209319][ T9089]  sysfs_create_dir_ns+0x2ca/0x390
[  572.214434][ T9089]  ? sysfs_warn_dup+0xa0/0xa0
[  572.219390][ T9089]  kobject_add_internal+0x61d/0xc30
[  572.225157][ T9089]  kobject_add+0x152/0x210
[  572.229694][ T9089]  ? kobject_put+0x3e4/0x430
[  572.234397][ T9089]  ? kobject_init+0x1f0/0x1f0
[  572.239076][ T9089]  ? get_device_parent+0x25d/0x410
[  572.244199][ T9089]  ? device_add+0x30f/0xc90
[  572.248721][ T9089]  device_add+0x449/0xc90
[  572.253073][ T9089]  tty_register_device_attr+0x437/0x960
[  572.258641][ T9089]  ? tty_register_device+0x30/0x30
[  572.263757][ T9089]  ? gsm_dlci_alloc+0x354/0x6e0
[  572.268607][ T9089]  gsm_activate_mux+0xe9/0x290
[  572.273364][ T9089]  gsmld_ioctl+0x1858/0x25b0
[  572.277949][ T9089]  ? tomoyo_path_number_perm+0x663/0x840
[  572.283584][ T9089]  ? gsmld_write+0x120/0x120
[  572.288170][ T9089]  ? __vt_event_wait+0x240/0x240
[  572.293195][ T9089]  ? ldsem_down_read+0xb4/0xe0
[  572.298044][ T9089]  ? gsmld_write+0x120/0x120
[  572.302715][ T9089]  tty_ioctl+0x98c/0xda0
[  572.307134][ T9089]  ? security_file_ioctl+0x81/0xa0
[  572.312244][ T9089]  ? tty_get_icount+0xb0/0xb0
[  572.316965][ T9089]  __se_sys_ioctl+0xf8/0x170
[  572.321556][ T9089]  do_syscall_64+0x41/0xc0
[  572.326057][ T9089]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  572.331953][ T9089] RIP: 0033:0x7f68b62c56e9
[  572.336371][ T9089] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  572.356835][ T9089] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  572.365798][ T9089] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  572.373772][ T9089] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  572.382354][ T9089] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  572.390406][ T9089] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  572.398452][ T9089] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  572.406567][ T9089]  </TASK>
[  572.410130][ T9088] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.416257][ T9089] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.613778][ T9092] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  572.641346][ T9092] CPU: 1 PID: 9092 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  572.651555][ T9092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  572.661633][ T9092] Call Trace:
[  572.665023][ T9092]  <TASK>
[  572.667988][ T9092]  dump_stack_lvl+0x1e7/0x2d0
[  572.672872][ T9092]  ? nf_tcp_handle_invalid+0x650/0x650
[  572.678371][ T9092]  ? panic+0x770/0x770
[  572.682563][ T9092]  sysfs_create_dir_ns+0x2ca/0x390
[  572.687707][ T9092]  ? sysfs_warn_dup+0xa0/0xa0
[  572.692684][ T9092]  kobject_add_internal+0x61d/0xc30
[  572.697913][ T9092]  kobject_add+0x152/0x210
[  572.702363][ T9092]  ? kobject_put+0x3e4/0x430
[  572.706997][ T9092]  ? kobject_init+0x1f0/0x1f0
[  572.711701][ T9092]  ? get_device_parent+0x25d/0x410
[  572.717015][ T9092]  ? device_add+0x30f/0xc90
[  572.721552][ T9092]  device_add+0x449/0xc90
[  572.726249][ T9092]  tty_register_device_attr+0x437/0x960
[  572.732019][ T9092]  ? tty_register_device+0x30/0x30
[  572.737266][ T9092]  ? gsm_dlci_alloc+0x354/0x6e0
[  572.742238][ T9092]  gsm_activate_mux+0xe9/0x290
[  572.747220][ T9092]  gsmld_ioctl+0x1858/0x25b0
[  572.752912][ T9092]  ? tomoyo_path_number_perm+0x663/0x840
[  572.759560][ T9092]  ? gsmld_write+0x120/0x120
[  572.764367][ T9092]  ? __vt_event_wait+0x240/0x240
[  572.769618][ T9092]  ? ldsem_down_read+0xb4/0xe0
[  572.774774][ T9092]  ? gsmld_write+0x120/0x120
[  572.779412][ T9092]  tty_ioctl+0x98c/0xda0
[  572.783691][ T9092]  ? security_file_ioctl+0x81/0xa0
[  572.788836][ T9092]  ? tty_get_icount+0xb0/0xb0
[  572.793651][ T9092]  __se_sys_ioctl+0xf8/0x170
[  572.798243][ T9092]  do_syscall_64+0x41/0xc0
[  572.802957][ T9092]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  572.808943][ T9092] RIP: 0033:0x7f68b62c56e9
[  572.813526][ T9092] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  572.833554][ T9092] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  572.842054][ T9092] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  572.850193][ T9092] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  572.858341][ T9092] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  572.866391][ T9092] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  572.874697][ T9092] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  572.882667][ T9092]  </TASK>
[  572.886799][ T9092] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.052945][ T9095] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.068068][ T9095] CPU: 0 PID: 9095 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  573.078616][ T9095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  573.088782][ T9095] Call Trace:
[  573.092167][ T9095]  <TASK>
[  573.095378][ T9095]  dump_stack_lvl+0x1e7/0x2d0
[  573.100095][ T9095]  ? nf_tcp_handle_invalid+0x650/0x650
[  573.105579][ T9095]  ? panic+0x770/0x770
[  573.109674][ T9095]  sysfs_create_dir_ns+0x2ca/0x390
[  573.113444][ T9096] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.114795][ T9095]  ? sysfs_warn_dup+0xa0/0xa0
[  573.128220][ T9095]  kobject_add_internal+0x61d/0xc30
[  573.133546][ T9095]  kobject_add+0x152/0x210
[  573.138250][ T9095]  ? kobject_put+0x3e4/0x430
[  573.142873][ T9095]  ? kobject_init+0x1f0/0x1f0
[  573.147579][ T9095]  ? get_device_parent+0x25d/0x410
[  573.152800][ T9095]  ? device_add+0x30f/0xc90
[  573.157315][ T9095]  device_add+0x449/0xc90
[  573.161665][ T9095]  tty_register_device_attr+0x437/0x960
[  573.167245][ T9095]  ? tty_register_device+0x30/0x30
[  573.172507][ T9095]  ? gsm_dlci_alloc+0x354/0x6e0
[  573.177405][ T9095]  gsm_activate_mux+0xe9/0x290
[  573.182296][ T9095]  gsmld_ioctl+0x1858/0x25b0
[  573.187009][ T9095]  ? tomoyo_path_number_perm+0x663/0x840
[  573.193121][ T9095]  ? gsmld_write+0x120/0x120
[  573.197744][ T9095]  ? __vt_event_wait+0x240/0x240
[  573.202724][ T9095]  ? ldsem_down_read+0xb4/0xe0
[  573.207526][ T9095]  ? gsmld_write+0x120/0x120
[  573.212154][ T9095]  tty_ioctl+0x98c/0xda0
[  573.216517][ T9095]  ? security_file_ioctl+0x81/0xa0
[  573.221933][ T9095]  ? tty_get_icount+0xb0/0xb0
[  573.226826][ T9095]  __se_sys_ioctl+0xf8/0x170
[  573.231456][ T9095]  do_syscall_64+0x41/0xc0
[  573.235901][ T9095]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  573.241808][ T9095] RIP: 0033:0x7f68b62c56e9
[  573.246312][ T9095] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  573.266272][ T9095] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  573.274773][ T9095] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  573.282998][ T9095] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  573.290964][ T9095] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  573.299021][ T9095] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  573.306986][ T9095] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  573.315136][ T9095]  </TASK>
[  573.319929][ T9095] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.325787][ T9096] CPU: 1 PID: 9096 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  573.344167][ T9096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  573.354218][ T9096] Call Trace:
[  573.357500][ T9096]  <TASK>
[  573.360422][ T9096]  dump_stack_lvl+0x1e7/0x2d0
[  573.365356][ T9096]  ? nf_tcp_handle_invalid+0x650/0x650
[  573.370811][ T9096]  ? panic+0x770/0x770
[  573.374908][ T9096]  sysfs_create_dir_ns+0x2ca/0x390
[  573.380029][ T9096]  ? sysfs_warn_dup+0xa0/0xa0
[  573.384789][ T9096]  kobject_add_internal+0x61d/0xc30
[  573.389992][ T9096]  kobject_add+0x152/0x210
[  573.394490][ T9096]  ? kobject_put+0x3e4/0x430
[  573.399222][ T9096]  ? kobject_init+0x1f0/0x1f0
[  573.403975][ T9096]  ? get_device_parent+0x25d/0x410
[  573.409189][ T9096]  ? device_add+0x30f/0xc90
[  573.413878][ T9096]  device_add+0x449/0xc90
[  573.418213][ T9096]  tty_register_device_attr+0x437/0x960
[  573.424120][ T9096]  ? tty_register_device+0x30/0x30
[  573.429248][ T9096]  ? gsm_dlci_alloc+0x354/0x6e0
[  573.434107][ T9096]  gsm_activate_mux+0xe9/0x290
[  573.438873][ T9096]  gsmld_ioctl+0x1858/0x25b0
[  573.443461][ T9096]  ? tomoyo_path_number_perm+0x663/0x840
[  573.449185][ T9096]  ? gsmld_write+0x120/0x120
[  573.453821][ T9096]  ? __vt_event_wait+0x240/0x240
[  573.458811][ T9096]  ? ldsem_down_read+0xb4/0xe0
[  573.463596][ T9096]  ? gsmld_write+0x120/0x120
[  573.468195][ T9096]  tty_ioctl+0x98c/0xda0
[  573.472436][ T9096]  ? security_file_ioctl+0x81/0xa0
[  573.477540][ T9096]  ? tty_get_icount+0xb0/0xb0
[  573.482207][ T9096]  __se_sys_ioctl+0xf8/0x170
[  573.486797][ T9096]  do_syscall_64+0x41/0xc0
[  573.491205][ T9096]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  573.497093][ T9096] RIP: 0033:0x7f68b62c56e9
[  573.501591][ T9096] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  573.521359][ T9096] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  573.529768][ T9096] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  573.538071][ T9096] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  573.546143][ T9096] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  573.554493][ T9096] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  573.562748][ T9096] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  573.570955][ T9096]  </TASK>
[  573.575102][ T9096] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.740601][ T9099] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.750736][ T9099] CPU: 0 PID: 9099 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  573.762233][ T9099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  573.772403][ T9099] Call Trace:
[  573.775798][ T9099]  <TASK>
[  573.779210][ T9099]  dump_stack_lvl+0x1e7/0x2d0
[  573.783988][ T9099]  ? nf_tcp_handle_invalid+0x650/0x650
[  573.789740][ T9099]  ? panic+0x770/0x770
[  573.793946][ T9099]  sysfs_create_dir_ns+0x2ca/0x390
[  573.799097][ T9099]  ? sysfs_warn_dup+0xa0/0xa0
[  573.803984][ T9099]  kobject_add_internal+0x61d/0xc30
[  573.809312][ T9099]  kobject_add+0x152/0x210
[  573.813765][ T9099]  ? kobject_put+0x3e4/0x430
[  573.818561][ T9099]  ? kobject_init+0x1f0/0x1f0
[  573.823276][ T9099]  ? get_device_parent+0x25d/0x410
[  573.828689][ T9099]  ? device_add+0x30f/0xc90
[  573.833400][ T9099]  device_add+0x449/0xc90
[  573.837768][ T9099]  tty_register_device_attr+0x437/0x960
[  573.843353][ T9099]  ? tty_register_device+0x30/0x30
[  573.848635][ T9099]  ? gsm_dlci_alloc+0x354/0x6e0
[  573.853872][ T9099]  gsm_activate_mux+0xe9/0x290
[  573.858775][ T9099]  gsmld_ioctl+0x1858/0x25b0
[  573.863402][ T9099]  ? tomoyo_path_number_perm+0x663/0x840
[  573.869094][ T9099]  ? gsmld_write+0x120/0x120
[  573.873852][ T9099]  ? __vt_event_wait+0x240/0x240
[  573.879070][ T9099]  ? ldsem_down_read+0xb4/0xe0
[  573.883962][ T9099]  ? gsmld_write+0x120/0x120
[  573.888676][ T9099]  tty_ioctl+0x98c/0xda0
[  573.893222][ T9099]  ? security_file_ioctl+0x81/0xa0
[  573.898455][ T9099]  ? tty_get_icount+0xb0/0xb0
[  573.903168][ T9099]  __se_sys_ioctl+0xf8/0x170
[  573.907797][ T9099]  do_syscall_64+0x41/0xc0
[  573.912249][ T9099]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  573.918442][ T9099] RIP: 0033:0x7f68b62c56e9
[  573.922879][ T9099] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  573.942677][ T9099] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  573.951202][ T9099] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  573.959190][ T9099] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  573.967434][ T9099] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  573.975661][ T9099] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  573.983803][ T9099] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  573.991776][ T9099]  </TASK>
[  573.996767][ T9099] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.161991][ T9103] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  574.170718][ T9103] CPU: 0 PID: 9103 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  574.183054][ T9103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  574.193804][ T9103] Call Trace:
[  574.197284][ T9103]  <TASK>
[  574.200254][ T9103]  dump_stack_lvl+0x1e7/0x2d0
[  574.204970][ T9103]  ? nf_tcp_handle_invalid+0x650/0x650
[  574.210647][ T9103]  ? panic+0x770/0x770
[  574.214938][ T9103]  sysfs_create_dir_ns+0x2ca/0x390
[  574.220095][ T9103]  ? sysfs_warn_dup+0xa0/0xa0
[  574.225128][ T9103]  kobject_add_internal+0x61d/0xc30
[  574.230417][ T9103]  kobject_add+0x152/0x210
[  574.234948][ T9103]  ? kobject_put+0x3e4/0x430
[  574.239658][ T9103]  ? kobject_init+0x1f0/0x1f0
[  574.244358][ T9103]  ? get_device_parent+0x25d/0x410
[  574.249581][ T9103]  ? device_add+0x30f/0xc90
[  574.254170][ T9103]  device_add+0x449/0xc90
[  574.258497][ T9103]  tty_register_device_attr+0x437/0x960
[  574.264132][ T9103]  ? tty_register_device+0x30/0x30
[  574.269329][ T9103]  ? gsm_dlci_alloc+0x354/0x6e0
[  574.274183][ T9103]  gsm_activate_mux+0xe9/0x290
[  574.279054][ T9103]  gsmld_ioctl+0x1858/0x25b0
[  574.283637][ T9103]  ? tomoyo_path_number_perm+0x663/0x840
[  574.289276][ T9103]  ? gsmld_write+0x120/0x120
[  574.293915][ T9103]  ? __vt_event_wait+0x240/0x240
[  574.298951][ T9103]  ? ldsem_down_read+0xb4/0xe0
[  574.303820][ T9103]  ? gsmld_write+0x120/0x120
[  574.308520][ T9103]  tty_ioctl+0x98c/0xda0
[  574.312764][ T9103]  ? security_file_ioctl+0x81/0xa0
[  574.317889][ T9103]  ? tty_get_icount+0xb0/0xb0
[  574.322588][ T9103]  __se_sys_ioctl+0xf8/0x170
[  574.327184][ T9103]  do_syscall_64+0x41/0xc0
[  574.331599][ T9103]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  574.337660][ T9103] RIP: 0033:0x7f68b62c56e9
[  574.342157][ T9103] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  574.362006][ T9103] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  574.370417][ T9103] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  574.378381][ T9103] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  574.386342][ T9103] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  574.394300][ T9103] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  574.402261][ T9103] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  574.410233][ T9103]  </TASK>
[  574.426291][ T9103] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.436906][ T9104] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  574.474863][ T9104] CPU: 1 PID: 9104 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  574.485335][ T9104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  574.495418][ T9104] Call Trace:
[  574.498725][ T9104]  <TASK>
[  574.502978][ T9104]  dump_stack_lvl+0x1e7/0x2d0
[  574.507689][ T9104]  ? nf_tcp_handle_invalid+0x650/0x650
[  574.513176][ T9104]  ? panic+0x770/0x770
[  574.517461][ T9104]  sysfs_create_dir_ns+0x2ca/0x390
[  574.522578][ T9104]  ? sysfs_warn_dup+0xa0/0xa0
[  574.527249][ T9104]  kobject_add_internal+0x61d/0xc30
[  574.532445][ T9104]  kobject_add+0x152/0x210
[  574.536851][ T9104]  ? kobject_put+0x3e4/0x430
[  574.541425][ T9104]  ? kobject_init+0x1f0/0x1f0
[  574.546092][ T9104]  ? get_device_parent+0x25d/0x410
[  574.551191][ T9104]  ? device_add+0x30f/0xc90
[  574.555684][ T9104]  device_add+0x449/0xc90
[  574.560315][ T9104]  tty_register_device_attr+0x437/0x960
[  574.565875][ T9104]  ? tty_register_device+0x30/0x30
[  574.570999][ T9104]  ? gsm_dlci_alloc+0x354/0x6e0
[  574.576026][ T9104]  gsm_activate_mux+0xe9/0x290
[  574.581078][ T9104]  gsmld_ioctl+0x1858/0x25b0
[  574.585851][ T9104]  ? tomoyo_path_number_perm+0x663/0x840
[  574.591664][ T9104]  ? gsmld_write+0x120/0x120
[  574.596345][ T9104]  ? __vt_event_wait+0x240/0x240
[  574.601283][ T9104]  ? ldsem_down_read+0xb4/0xe0
[  574.606136][ T9104]  ? gsmld_write+0x120/0x120
[  574.610809][ T9104]  tty_ioctl+0x98c/0xda0
[  574.615037][ T9104]  ? security_file_ioctl+0x81/0xa0
[  574.620141][ T9104]  ? tty_get_icount+0xb0/0xb0
[  574.624866][ T9104]  __se_sys_ioctl+0xf8/0x170
[  574.629640][ T9104]  do_syscall_64+0x41/0xc0
[  574.634156][ T9104]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  574.640047][ T9104] RIP: 0033:0x7f68b62c56e9
[  574.644452][ T9104] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  574.664569][ T9104] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  574.673247][ T9104] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  574.681385][ T9104] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  574.689352][ T9104] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  574.697409][ T9104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  574.705393][ T9104] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  574.713367][ T9104]  </TASK>
[  574.718744][ T9104] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.883742][ T9107] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  574.898109][ T9107] CPU: 1 PID: 9107 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  574.908307][ T9107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  574.918995][ T9107] Call Trace:
[  574.922297][ T9107]  <TASK>
[  574.925416][ T9107]  dump_stack_lvl+0x1e7/0x2d0
[  574.930744][ T9107]  ? nf_tcp_handle_invalid+0x650/0x650
[  574.936334][ T9107]  ? panic+0x770/0x770
[  574.940444][ T9107]  sysfs_create_dir_ns+0x2ca/0x390
[  574.945747][ T9107]  ? sysfs_warn_dup+0xa0/0xa0
[  574.950443][ T9107]  kobject_add_internal+0x61d/0xc30
[  574.955753][ T9107]  kobject_add+0x152/0x210
[  574.960514][ T9107]  ? kobject_put+0x3e4/0x430
[  574.965096][ T9107]  ? kobject_init+0x1f0/0x1f0
[  574.969855][ T9107]  ? get_device_parent+0x25d/0x410
[  574.975033][ T9107]  ? device_add+0x30f/0xc90
[  574.979553][ T9107]  device_add+0x449/0xc90
[  574.983900][ T9107]  tty_register_device_attr+0x437/0x960
[  574.989553][ T9107]  ? tty_register_device+0x30/0x30
[  574.994770][ T9107]  ? gsm_dlci_alloc+0x354/0x6e0
[  574.999620][ T9107]  gsm_activate_mux+0xe9/0x290
[  575.004380][ T9107]  gsmld_ioctl+0x1858/0x25b0
[  575.009049][ T9107]  ? tomoyo_path_number_perm+0x663/0x840
[  575.014859][ T9107]  ? gsmld_write+0x120/0x120
[  575.019441][ T9107]  ? __vt_event_wait+0x240/0x240
[  575.024558][ T9107]  ? ldsem_down_read+0xb4/0xe0
[  575.029322][ T9107]  ? gsmld_write+0x120/0x120
[  575.033992][ T9107]  tty_ioctl+0x98c/0xda0
[  575.038226][ T9107]  ? security_file_ioctl+0x81/0xa0
[  575.043676][ T9107]  ? tty_get_icount+0xb0/0xb0
[  575.048348][ T9107]  __se_sys_ioctl+0xf8/0x170
[  575.052933][ T9107]  do_syscall_64+0x41/0xc0
[  575.057784][ T9107]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  575.063810][ T9107] RIP: 0033:0x7f68b62c56e9
[  575.068393][ T9107] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  575.088077][ T9107] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  575.096829][ T9107] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  575.105050][ T9107] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  575.113104][ T9107] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  575.121169][ T9107] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  575.129216][ T9107] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  575.137471][ T9107]  </TASK>
[  575.153026][ T9107] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  575.370554][ T9110] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  575.386398][ T9110] CPU: 1 PID: 9110 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  575.396786][ T9110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  575.407321][ T9110] Call Trace:
[  575.410628][ T9110]  <TASK>
[  575.413628][ T9110]  dump_stack_lvl+0x1e7/0x2d0
[  575.418437][ T9110]  ? nf_tcp_handle_invalid+0x650/0x650
[  575.423943][ T9110]  ? panic+0x770/0x770
[  575.428229][ T9110]  sysfs_create_dir_ns+0x2ca/0x390
[  575.433905][ T9110]  ? sysfs_warn_dup+0xa0/0xa0
[  575.438626][ T9110]  kobject_add_internal+0x61d/0xc30
[  575.443868][ T9110]  kobject_add+0x152/0x210
[  575.448423][ T9110]  ? kobject_put+0x3e4/0x430
[  575.453059][ T9110]  ? kobject_init+0x1f0/0x1f0
[  575.457870][ T9110]  ? get_device_parent+0x25d/0x410
[  575.463110][ T9110]  ? device_add+0x30f/0xc90
[  575.467920][ T9110]  device_add+0x449/0xc90
[  575.472381][ T9110]  tty_register_device_attr+0x437/0x960
[  575.477968][ T9110]  ? tty_register_device+0x30/0x30
[  575.483121][ T9110]  ? gsm_dlci_alloc+0x354/0x6e0
[  575.488005][ T9110]  gsm_activate_mux+0xe9/0x290
[  575.492895][ T9110]  gsmld_ioctl+0x1858/0x25b0
[  575.497520][ T9110]  ? tomoyo_path_number_perm+0x663/0x840
[  575.503210][ T9110]  ? gsmld_write+0x120/0x120
[  575.507851][ T9110]  ? __vt_event_wait+0x240/0x240
[  575.513004][ T9110]  ? ldsem_down_read+0xb4/0xe0
[  575.517823][ T9110]  ? gsmld_write+0x120/0x120
[  575.522535][ T9110]  tty_ioctl+0x98c/0xda0
[  575.526812][ T9110]  ? security_file_ioctl+0x81/0xa0
[  575.531950][ T9110]  ? tty_get_icount+0xb0/0xb0
[  575.536665][ T9110]  __se_sys_ioctl+0xf8/0x170
[  575.541296][ T9110]  do_syscall_64+0x41/0xc0
[  575.545745][ T9110]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  575.551674][ T9110] RIP: 0033:0x7f68b62c56e9
[  575.556092][ T9110] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  575.575976][ T9110] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  575.584493][ T9110] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  575.592733][ T9110] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  575.601152][ T9110] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  575.609226][ T9110] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  575.617746][ T9110] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  575.626151][ T9110]  </TASK>
[  575.632220][ T9110] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  575.797437][ T9113] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  575.820904][ T9113] CPU: 1 PID: 9113 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  575.831110][ T9113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  575.841361][ T9113] Call Trace:
[  575.844676][ T9113]  <TASK>
[  575.847788][ T9113]  dump_stack_lvl+0x1e7/0x2d0
[  575.852490][ T9113]  ? nf_tcp_handle_invalid+0x650/0x650
[  575.858067][ T9113]  ? panic+0x770/0x770
[  575.862185][ T9113]  sysfs_create_dir_ns+0x2ca/0x390
[  575.867423][ T9113]  ? sysfs_warn_dup+0xa0/0xa0
[  575.872191][ T9113]  kobject_add_internal+0x61d/0xc30
[  575.877482][ T9113]  kobject_add+0x152/0x210
[  575.881894][ T9113]  ? kobject_put+0x3e4/0x430
[  575.886479][ T9113]  ? kobject_init+0x1f0/0x1f0
[  575.891148][ T9113]  ? get_device_parent+0x25d/0x410
[  575.896252][ T9113]  ? device_add+0x30f/0xc90
[  575.900757][ T9113]  device_add+0x449/0xc90
[  575.905342][ T9113]  tty_register_device_attr+0x437/0x960
[  575.910976][ T9113]  ? tty_register_device+0x30/0x30
[  575.916180][ T9113]  ? gsm_dlci_alloc+0x354/0x6e0
[  575.921200][ T9113]  gsm_activate_mux+0xe9/0x290
[  575.926074][ T9113]  gsmld_ioctl+0x1858/0x25b0
[  575.930657][ T9113]  ? tomoyo_path_number_perm+0x663/0x840
[  575.936387][ T9113]  ? gsmld_write+0x120/0x120
[  575.941069][ T9113]  ? __vt_event_wait+0x240/0x240
[  575.946096][ T9113]  ? ldsem_down_read+0xb4/0xe0
[  575.950858][ T9113]  ? gsmld_write+0x120/0x120
[  575.955439][ T9113]  tty_ioctl+0x98c/0xda0
[  575.959677][ T9113]  ? security_file_ioctl+0x81/0xa0
[  575.964785][ T9113]  ? tty_get_icount+0xb0/0xb0
[  575.969496][ T9113]  __se_sys_ioctl+0xf8/0x170
[  575.974081][ T9113]  do_syscall_64+0x41/0xc0
[  575.978489][ T9113]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  575.984482][ T9113] RIP: 0033:0x7f68b62c56e9
[  575.988922][ T9113] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  576.008714][ T9113] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  576.017215][ T9113] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  576.025625][ T9113] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  576.033671][ T9113] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  576.041643][ T9113] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  576.049684][ T9113] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  576.057663][ T9113]  </TASK>
[  576.062394][ T9113] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  576.288419][ T9116] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  576.300822][ T9116] CPU: 1 PID: 9116 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  576.310932][ T9116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  576.321100][ T9116] Call Trace:
[  576.324571][ T9116]  <TASK>
[  576.327514][ T9116]  dump_stack_lvl+0x1e7/0x2d0
[  576.332214][ T9116]  ? nf_tcp_handle_invalid+0x650/0x650
[  576.337697][ T9116]  ? panic+0x770/0x770
[  576.337965][ T9117] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  576.341783][ T9116]  sysfs_create_dir_ns+0x2ca/0x390
[  576.355829][ T9116]  ? sysfs_warn_dup+0xa0/0xa0
[  576.360610][ T9116]  kobject_add_internal+0x61d/0xc30
[  576.365818][ T9116]  kobject_add+0x152/0x210
[  576.370334][ T9116]  ? kobject_put+0x3e4/0x430
[  576.375016][ T9116]  ? kobject_init+0x1f0/0x1f0
[  576.380138][ T9116]  ? get_device_parent+0x25d/0x410
[  576.385277][ T9116]  ? device_add+0x30f/0xc90
[  576.389894][ T9116]  device_add+0x449/0xc90
[  576.394263][ T9116]  tty_register_device_attr+0x437/0x960
[  576.399843][ T9116]  ? tty_register_device+0x30/0x30
[  576.404987][ T9116]  ? gsm_dlci_alloc+0x354/0x6e0
[  576.409870][ T9116]  gsm_activate_mux+0xe9/0x290
[  576.415186][ T9116]  gsmld_ioctl+0x1858/0x25b0
[  576.419825][ T9116]  ? tomoyo_path_number_perm+0x663/0x840
[  576.425594][ T9116]  ? gsmld_write+0x120/0x120
[  576.430408][ T9116]  ? __vt_event_wait+0x240/0x240
[  576.435470][ T9116]  ? ldsem_down_read+0xb4/0xe0
[  576.440464][ T9116]  ? gsmld_write+0x120/0x120
[  576.445165][ T9116]  tty_ioctl+0x98c/0xda0
[  576.449432][ T9116]  ? security_file_ioctl+0x81/0xa0
[  576.454562][ T9116]  ? tty_get_icount+0xb0/0xb0
[  576.459634][ T9116]  __se_sys_ioctl+0xf8/0x170
[  576.464251][ T9116]  do_syscall_64+0x41/0xc0
[  576.468953][ T9116]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  576.474868][ T9116] RIP: 0033:0x7f68b62c56e9
[  576.479380][ T9116] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  576.499173][ T9116] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  576.507701][ T9116] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  576.515790][ T9116] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  576.523794][ T9116] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  576.531770][ T9116] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  576.540447][ T9116] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  576.548435][ T9116]  </TASK>
[  576.551447][ T9117] CPU: 0 PID: 9117 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  576.561534][ T9117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  576.571671][ T9117] Call Trace:
[  576.574943][ T9117]  <TASK>
[  576.578035][ T9117]  dump_stack_lvl+0x1e7/0x2d0
[  576.582923][ T9117]  ? nf_tcp_handle_invalid+0x650/0x650
[  576.588375][ T9117]  ? panic+0x770/0x770
[  576.592441][ T9117]  sysfs_create_dir_ns+0x2ca/0x390
[  576.597613][ T9117]  ? sysfs_warn_dup+0xa0/0xa0
[  576.602378][ T9117]  kobject_add_internal+0x61d/0xc30
[  576.607577][ T9117]  kobject_add+0x152/0x210
[  576.612074][ T9117]  ? kobject_put+0x3e4/0x430
[  576.616781][ T9117]  ? kobject_init+0x1f0/0x1f0
[  576.621479][ T9117]  ? get_device_parent+0x25d/0x410
[  576.626623][ T9117]  ? device_add+0x30f/0xc90
[  576.631141][ T9117]  device_add+0x449/0xc90
[  576.635577][ T9117]  tty_register_device_attr+0x437/0x960
[  576.641156][ T9117]  ? tty_register_device+0x30/0x30
[  576.646287][ T9117]  ? gsm_dlci_alloc+0x354/0x6e0
[  576.651142][ T9117]  gsm_activate_mux+0xe9/0x290
[  576.656113][ T9117]  gsmld_ioctl+0x1858/0x25b0
[  576.660810][ T9117]  ? tomoyo_path_number_perm+0x663/0x840
[  576.666693][ T9117]  ? gsmld_write+0x120/0x120
[  576.671313][ T9117]  ? __vt_event_wait+0x240/0x240
[  576.676358][ T9117]  ? ldsem_down_read+0xb4/0xe0
[  576.681249][ T9117]  ? gsmld_write+0x120/0x120
[  576.686006][ T9117]  tty_ioctl+0x98c/0xda0
[  576.690765][ T9117]  ? security_file_ioctl+0x81/0xa0
[  576.696830][ T9117]  ? tty_get_icount+0xb0/0xb0
[  576.701530][ T9117]  __se_sys_ioctl+0xf8/0x170
[  576.706121][ T9117]  do_syscall_64+0x41/0xc0
[  576.710530][ T9117]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  576.716412][ T9117] RIP: 0033:0x7f68b62c56e9
[  576.720816][ T9117] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  576.740929][ T9117] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  576.749539][ T9117] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  576.757786][ T9117] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  576.766195][ T9117] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  576.774178][ T9117] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  576.782311][ T9117] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  576.790372][ T9117]  </TASK>
[  576.793498][ T9116] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  576.803012][ T9117] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  576.977093][ T9120] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  576.990290][ T9120] CPU: 1 PID: 9120 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  577.000499][ T9120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  577.010578][ T9120] Call Trace:
[  577.013972][ T9120]  <TASK>
[  577.016915][ T9120]  dump_stack_lvl+0x1e7/0x2d0
[  577.021794][ T9120]  ? nf_tcp_handle_invalid+0x650/0x650
[  577.027738][ T9120]  ? panic+0x770/0x770
[  577.032021][ T9120]  sysfs_create_dir_ns+0x2ca/0x390
[  577.037260][ T9120]  ? sysfs_warn_dup+0xa0/0xa0
[  577.041973][ T9120]  kobject_add_internal+0x61d/0xc30
[  577.047207][ T9120]  kobject_add+0x152/0x210
[  577.051655][ T9120]  ? kobject_put+0x3e4/0x430
[  577.056282][ T9120]  ? kobject_init+0x1f0/0x1f0
[  577.061079][ T9120]  ? get_device_parent+0x25d/0x410
[  577.066308][ T9120]  ? device_add+0x30f/0xc90
[  577.070840][ T9120]  device_add+0x449/0xc90
[  577.075288][ T9120]  tty_register_device_attr+0x437/0x960
[  577.080961][ T9120]  ? tty_register_device+0x30/0x30
[  577.086284][ T9120]  ? gsm_dlci_alloc+0x354/0x6e0
[  577.091163][ T9120]  gsm_activate_mux+0xe9/0x290
[  577.095958][ T9120]  gsmld_ioctl+0x1858/0x25b0
[  577.100667][ T9120]  ? tomoyo_path_number_perm+0x663/0x840
[  577.106613][ T9120]  ? gsmld_write+0x120/0x120
[  577.111332][ T9120]  ? __vt_event_wait+0x240/0x240
[  577.116325][ T9120]  ? ldsem_down_read+0xb4/0xe0
[  577.121138][ T9120]  ? gsmld_write+0x120/0x120
[  577.125865][ T9120]  tty_ioctl+0x98c/0xda0
[  577.130235][ T9120]  ? security_file_ioctl+0x81/0xa0
[  577.135657][ T9120]  ? tty_get_icount+0xb0/0xb0
[  577.140460][ T9120]  __se_sys_ioctl+0xf8/0x170
[  577.145091][ T9120]  do_syscall_64+0x41/0xc0
[  577.149630][ T9120]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  577.155637][ T9120] RIP: 0033:0x7f68b62c56e9
[  577.160062][ T9120] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  577.180139][ T9120] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  577.189224][ T9120] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  577.197985][ T9120] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  577.206660][ T9120] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  577.215085][ T9120] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  577.223399][ T9120] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  577.231723][ T9120]  </TASK>
[  577.238074][ T9120] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  577.415853][ T9124] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  577.427638][ T9124] CPU: 0 PID: 9124 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  577.438360][ T9124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  577.448697][ T9124] Call Trace:
[  577.452000][ T9124]  <TASK>
[  577.454948][ T9124]  dump_stack_lvl+0x1e7/0x2d0
[  577.459656][ T9124]  ? nf_tcp_handle_invalid+0x650/0x650
[  577.465175][ T9124]  ? panic+0x770/0x770
[  577.469368][ T9124]  sysfs_create_dir_ns+0x2ca/0x390
[  577.474770][ T9124]  ? sysfs_warn_dup+0xa0/0xa0
[  577.479478][ T9124]  kobject_add_internal+0x61d/0xc30
[  577.484800][ T9124]  kobject_add+0x152/0x210
[  577.489256][ T9124]  ? kobject_put+0x3e4/0x430
[  577.493874][ T9124]  ? kobject_init+0x1f0/0x1f0
[  577.498679][ T9124]  ? get_device_parent+0x25d/0x410
[  577.504262][ T9124]  ? device_add+0x30f/0xc90
[  577.508879][ T9124]  device_add+0x449/0xc90
[  577.513246][ T9124]  tty_register_device_attr+0x437/0x960
[  577.519003][ T9124]  ? tty_register_device+0x30/0x30
[  577.524451][ T9124]  ? gsm_dlci_alloc+0x354/0x6e0
[  577.529768][ T9124]  gsm_activate_mux+0xe9/0x290
[  577.535088][ T9124]  gsmld_ioctl+0x1858/0x25b0
[  577.539716][ T9124]  ? tomoyo_path_number_perm+0x663/0x840
[  577.545480][ T9124]  ? gsmld_write+0x120/0x120
[  577.550279][ T9124]  ? __vt_event_wait+0x240/0x240
[  577.555450][ T9124]  ? ldsem_down_read+0xb4/0xe0
[  577.560353][ T9124]  ? gsmld_write+0x120/0x120
[  577.564974][ T9124]  tty_ioctl+0x98c/0xda0
[  577.569336][ T9124]  ? security_file_ioctl+0x81/0xa0
[  577.574566][ T9124]  ? tty_get_icount+0xb0/0xb0
[  577.579551][ T9124]  __se_sys_ioctl+0xf8/0x170
[  577.584434][ T9124]  do_syscall_64+0x41/0xc0
[  577.588973][ T9124]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  577.594874][ T9124] RIP: 0033:0x7f68b62c56e9
[  577.599286][ T9124] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  577.619055][ T9124] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  577.628031][ T9124] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  577.636168][ T9124] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  577.644929][ T9124] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  577.653198][ T9124] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  577.661203][ T9124] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  577.669700][ T9124]  </TASK>
[  577.673764][ T9124] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  577.846259][ T9128] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  577.855148][ T9128] CPU: 0 PID: 9128 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  577.865780][ T9128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  577.876824][ T9128] Call Trace:
[  577.880136][ T9128]  <TASK>
[  577.883095][ T9128]  dump_stack_lvl+0x1e7/0x2d0
[  577.887805][ T9128]  ? nf_tcp_handle_invalid+0x650/0x650
[  577.893573][ T9128]  ? panic+0x770/0x770
[  577.897777][ T9128]  sysfs_create_dir_ns+0x2ca/0x390
[  577.902929][ T9128]  ? sysfs_warn_dup+0xa0/0xa0
[  577.907907][ T9128]  kobject_add_internal+0x61d/0xc30
[  577.913143][ T9128]  kobject_add+0x152/0x210
[  577.917575][ T9128]  ? kobject_put+0x3e4/0x430
[  577.922419][ T9128]  ? kobject_init+0x1f0/0x1f0
[  577.927112][ T9128]  ? get_device_parent+0x25d/0x410
[  577.932222][ T9128]  ? device_add+0x30f/0xc90
[  577.936818][ T9128]  device_add+0x449/0xc90
[  577.941247][ T9128]  tty_register_device_attr+0x437/0x960
[  577.947054][ T9128]  ? tty_register_device+0x30/0x30
[  577.952429][ T9128]  ? gsm_dlci_alloc+0x354/0x6e0
[  577.957540][ T9128]  gsm_activate_mux+0xe9/0x290
[  577.962322][ T9128]  gsmld_ioctl+0x1858/0x25b0
[  577.966989][ T9128]  ? tomoyo_path_number_perm+0x663/0x840
[  577.973670][ T9128]  ? gsmld_write+0x120/0x120
[  577.978296][ T9128]  ? __vt_event_wait+0x240/0x240
[  577.983230][ T9128]  ? ldsem_down_read+0xb4/0xe0
[  577.987990][ T9128]  ? gsmld_write+0x120/0x120
[  577.992568][ T9128]  tty_ioctl+0x98c/0xda0
[  577.996899][ T9128]  ? security_file_ioctl+0x81/0xa0
[  578.002103][ T9128]  ? tty_get_icount+0xb0/0xb0
[  578.006860][ T9128]  __se_sys_ioctl+0xf8/0x170
[  578.011445][ T9128]  do_syscall_64+0x41/0xc0
[  578.015854][ T9128]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  578.021917][ T9128] RIP: 0033:0x7f68b62c56e9
[  578.026330][ T9128] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  578.046448][ T9128] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  578.054852][ T9128] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  578.062900][ T9128] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  578.071039][ T9128] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  578.079001][ T9128] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  578.086961][ T9128] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  578.095125][ T9128]  </TASK>
[  578.113782][ T9128] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  578.324728][ T9132] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  578.352810][ T9132] CPU: 1 PID: 9132 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  578.363015][ T9132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  578.373172][ T9132] Call Trace:
[  578.376625][ T9132]  <TASK>
[  578.379656][ T9132]  dump_stack_lvl+0x1e7/0x2d0
[  578.384703][ T9132]  ? nf_tcp_handle_invalid+0x650/0x650
[  578.390189][ T9132]  ? panic+0x770/0x770
[  578.394904][ T9132]  sysfs_create_dir_ns+0x2ca/0x390
[  578.400142][ T9132]  ? sysfs_warn_dup+0xa0/0xa0
[  578.404852][ T9132]  kobject_add_internal+0x61d/0xc30
[  578.410086][ T9132]  kobject_add+0x152/0x210
[  578.414798][ T9132]  ? kobject_put+0x3e4/0x430
[  578.419421][ T9132]  ? kobject_init+0x1f0/0x1f0
[  578.424146][ T9132]  ? get_device_parent+0x25d/0x410
[  578.429396][ T9132]  ? device_add+0x30f/0xc90
[  578.434140][ T9132]  device_add+0x449/0xc90
[  578.438591][ T9132]  tty_register_device_attr+0x437/0x960
[  578.444172][ T9132]  ? tty_register_device+0x30/0x30
[  578.449337][ T9132]  ? gsm_dlci_alloc+0x354/0x6e0
[  578.454309][ T9132]  gsm_activate_mux+0xe9/0x290
[  578.459106][ T9132]  gsmld_ioctl+0x1858/0x25b0
[  578.463874][ T9132]  ? tomoyo_path_number_perm+0x663/0x840
[  578.469516][ T9132]  ? gsmld_write+0x120/0x120
[  578.474099][ T9132]  ? __vt_event_wait+0x240/0x240
[  578.479060][ T9132]  ? ldsem_down_read+0xb4/0xe0
[  578.484015][ T9132]  ? gsmld_write+0x120/0x120
[  578.488630][ T9132]  tty_ioctl+0x98c/0xda0
[  578.492914][ T9132]  ? security_file_ioctl+0x81/0xa0
[  578.498045][ T9132]  ? tty_get_icount+0xb0/0xb0
[  578.502751][ T9132]  __se_sys_ioctl+0xf8/0x170
[  578.507352][ T9132]  do_syscall_64+0x41/0xc0
[  578.511768][ T9132]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  578.517831][ T9132] RIP: 0033:0x7f68b62c56e9
[  578.522334][ T9132] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  578.542197][ T9132] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  578.550870][ T9132] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  578.558839][ T9132] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  578.567065][ T9132] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  578.575285][ T9132] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  578.583255][ T9132] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  578.591224][ T9132]  </TASK>
[  578.602484][ T9132] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  578.768400][ T9135] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  578.788763][ T9135] CPU: 0 PID: 9135 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  578.798969][ T9135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  578.809229][ T9135] Call Trace:
[  578.812794][ T9135]  <TASK>
[  578.815858][ T9135]  dump_stack_lvl+0x1e7/0x2d0
[  578.820903][ T9135]  ? nf_tcp_handle_invalid+0x650/0x650
[  578.826490][ T9135]  ? panic+0x770/0x770
[  578.830780][ T9135]  sysfs_create_dir_ns+0x2ca/0x390
[  578.836101][ T9135]  ? sysfs_warn_dup+0xa0/0xa0
[  578.840914][ T9135]  kobject_add_internal+0x61d/0xc30
[  578.846160][ T9135]  kobject_add+0x152/0x210
[  578.850682][ T9135]  ? kobject_put+0x3e4/0x430
[  578.855298][ T9135]  ? kobject_init+0x1f0/0x1f0
[  578.860172][ T9135]  ? get_device_parent+0x25d/0x410
[  578.865338][ T9135]  ? device_add+0x30f/0xc90
[  578.869856][ T9135]  device_add+0x449/0xc90
[  578.874206][ T9135]  tty_register_device_attr+0x437/0x960
[  578.879819][ T9135]  ? tty_register_device+0x30/0x30
[  578.885018][ T9135]  ? gsm_dlci_alloc+0x354/0x6e0
[  578.889958][ T9135]  gsm_activate_mux+0xe9/0x290
[  578.894895][ T9135]  gsmld_ioctl+0x1858/0x25b0
[  578.900189][ T9135]  ? tomoyo_path_number_perm+0x663/0x840
[  578.905825][ T9135]  ? gsmld_write+0x120/0x120
[  578.910555][ T9135]  ? __vt_event_wait+0x240/0x240
[  578.915500][ T9135]  ? ldsem_down_read+0xb4/0xe0
[  578.920328][ T9135]  ? gsmld_write+0x120/0x120
[  578.924909][ T9135]  tty_ioctl+0x98c/0xda0
[  578.929158][ T9135]  ? security_file_ioctl+0x81/0xa0
[  578.934325][ T9135]  ? tty_get_icount+0xb0/0xb0
[  578.939105][ T9135]  __se_sys_ioctl+0xf8/0x170
[  578.943705][ T9135]  do_syscall_64+0x41/0xc0
[  578.948123][ T9135]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  578.954469][ T9135] RIP: 0033:0x7f68b62c56e9
[  578.959878][ T9135] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  578.980998][ T9135] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  578.989764][ T9135] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  578.998164][ T9135] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  579.006233][ T9135] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  579.014238][ T9135] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  579.022653][ T9135] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  579.030805][ T9135]  </TASK>
[  579.084181][ T9136] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  579.099335][ T9136] CPU: 1 PID: 9136 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  579.102294][ T9135] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  579.110300][ T9136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  579.110317][ T9136] Call Trace:
[  579.110324][ T9136]  <TASK>
[  579.110331][ T9136]  dump_stack_lvl+0x1e7/0x2d0
[  579.110362][ T9136]  ? nf_tcp_handle_invalid+0x650/0x650
[  579.110379][ T9136]  ? panic+0x770/0x770
[  579.110404][ T9136]  sysfs_create_dir_ns+0x2ca/0x390
[  579.110427][ T9136]  ? sysfs_warn_dup+0xa0/0xa0
[  579.110451][ T9136]  kobject_add_internal+0x61d/0xc30
[  579.110479][ T9136]  kobject_add+0x152/0x210
[  579.110502][ T9136]  ? kobject_put+0x3e4/0x430
[  579.110523][ T9136]  ? kobject_init+0x1f0/0x1f0
[  579.110548][ T9136]  ? get_device_parent+0x25d/0x410
[  579.110572][ T9136]  ? device_add+0x30f/0xc90
[  579.110599][ T9136]  device_add+0x449/0xc90
[  579.110623][ T9136]  tty_register_device_attr+0x437/0x960
[  579.110652][ T9136]  ? tty_register_device+0x30/0x30
[  579.110675][ T9136]  ? gsm_dlci_alloc+0x354/0x6e0
[  579.217896][ T9136]  gsm_activate_mux+0xe9/0x290
[  579.223034][ T9136]  gsmld_ioctl+0x1858/0x25b0
[  579.228097][ T9136]  ? tomoyo_path_number_perm+0x663/0x840
[  579.234638][ T9136]  ? gsmld_write+0x120/0x120
[  579.239264][ T9136]  ? __vt_event_wait+0x240/0x240
[  579.244990][ T9136]  ? ldsem_down_read+0xb4/0xe0
[  579.250512][ T9136]  ? gsmld_write+0x120/0x120
[  579.255127][ T9136]  tty_ioctl+0x98c/0xda0
[  579.260150][ T9136]  ? security_file_ioctl+0x81/0xa0
[  579.265447][ T9136]  ? tty_get_icount+0xb0/0xb0
[  579.270390][ T9136]  __se_sys_ioctl+0xf8/0x170
[  579.275243][ T9136]  do_syscall_64+0x41/0xc0
[  579.279759][ T9136]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  579.285850][ T9136] RIP: 0033:0x7f68b62c56e9
[  579.290359][ T9136] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  579.310409][ T9136] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  579.319041][ T9136] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  579.327474][ T9136] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  579.335595][ T9136] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  579.343673][ T9136] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  579.351748][ T9136] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  579.359743][ T9136]  </TASK>
[  579.364121][ T9136] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  579.546306][ T9139] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  579.555196][ T9139] CPU: 1 PID: 9139 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  579.566250][ T9139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  579.576944][ T9139] Call Trace:
[  579.580537][ T9139]  <TASK>
[  579.583791][ T9139]  dump_stack_lvl+0x1e7/0x2d0
[  579.589148][ T9139]  ? nf_tcp_handle_invalid+0x650/0x650
[  579.595266][ T9139]  ? panic+0x770/0x770
[  579.599466][ T9139]  sysfs_create_dir_ns+0x2ca/0x390
[  579.605428][ T9139]  ? sysfs_warn_dup+0xa0/0xa0
[  579.610330][ T9139]  kobject_add_internal+0x61d/0xc30
[  579.615679][ T9139]  kobject_add+0x152/0x210
[  579.620154][ T9139]  ? kobject_put+0x3e4/0x430
[  579.624747][ T9139]  ? kobject_init+0x1f0/0x1f0
[  579.629525][ T9139]  ? get_device_parent+0x25d/0x410
[  579.634915][ T9139]  ? device_add+0x30f/0xc90
[  579.639428][ T9139]  device_add+0x449/0xc90
[  579.644713][ T9139]  tty_register_device_attr+0x437/0x960
[  579.650390][ T9139]  ? tty_register_device+0x30/0x30
[  579.655647][ T9139]  ? gsm_dlci_alloc+0x354/0x6e0
[  579.660944][ T9139]  gsm_activate_mux+0xe9/0x290
[  579.665749][ T9139]  gsmld_ioctl+0x1858/0x25b0
[  579.671151][ T9139]  ? tomoyo_path_number_perm+0x663/0x840
[  579.677067][ T9139]  ? gsmld_write+0x120/0x120
[  579.682277][ T9139]  ? __vt_event_wait+0x240/0x240
[  579.687693][ T9139]  ? ldsem_down_read+0xb4/0xe0
[  579.692848][ T9139]  ? gsmld_write+0x120/0x120
[  579.697465][ T9139]  tty_ioctl+0x98c/0xda0
[  579.701738][ T9139]  ? security_file_ioctl+0x81/0xa0
[  579.707218][ T9139]  ? tty_get_icount+0xb0/0xb0
[  579.712591][ T9139]  __se_sys_ioctl+0xf8/0x170
[  579.717397][ T9139]  do_syscall_64+0x41/0xc0
[  579.722182][ T9139]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  579.728599][ T9139] RIP: 0033:0x7f68b62c56e9
[  579.733312][ T9139] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  579.757591][ T9139] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  579.767472][ T9139] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  579.776071][ T9139] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  579.784672][ T9139] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  579.793105][ T9139] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  579.801306][ T9139] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  579.811031][ T9139]  </TASK>
[  579.822326][ T9140] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  579.831210][ T9140] CPU: 1 PID: 9140 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  579.842036][ T9140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  579.852646][ T9140] Call Trace:
[  579.856141][ T9140]  <TASK>
[  579.859764][ T9140]  dump_stack_lvl+0x1e7/0x2d0
[  579.865010][ T9140]  ? nf_tcp_handle_invalid+0x650/0x650
[  579.871218][ T9140]  ? panic+0x770/0x770
[  579.875344][ T9140]  sysfs_create_dir_ns+0x2ca/0x390
[  579.880682][ T9140]  ? sysfs_warn_dup+0xa0/0xa0
[  579.885393][ T9140]  kobject_add_internal+0x61d/0xc30
[  579.890919][ T9140]  kobject_add+0x152/0x210
[  579.895603][ T9140]  ? kobject_put+0x3e4/0x430
[  579.900369][ T9140]  ? kobject_init+0x1f0/0x1f0
[  579.905774][ T9140]  ? get_device_parent+0x25d/0x410
[  579.911260][ T9140]  ? device_add+0x30f/0xc90
[  579.915774][ T9140]  device_add+0x449/0xc90
[  579.920197][ T9140]  tty_register_device_attr+0x437/0x960
[  579.926796][ T9140]  ? tty_register_device+0x30/0x30
[  579.932008][ T9140]  ? gsm_dlci_alloc+0x354/0x6e0
[  579.937116][ T9140]  gsm_activate_mux+0xe9/0x290
[  579.942499][ T9140]  gsmld_ioctl+0x1858/0x25b0
[  579.947199][ T9140]  ? tomoyo_path_number_perm+0x663/0x840
[  579.952922][ T9140]  ? gsmld_write+0x120/0x120
[  579.958031][ T9140]  ? __vt_event_wait+0x240/0x240
[  579.963278][ T9140]  ? ldsem_down_read+0xb4/0xe0
[  579.968219][ T9140]  ? gsmld_write+0x120/0x120
[  579.973170][ T9140]  tty_ioctl+0x98c/0xda0
[  579.978032][ T9140]  ? security_file_ioctl+0x81/0xa0
[  579.983517][ T9140]  ? tty_get_icount+0xb0/0xb0
[  579.988682][ T9140]  __se_sys_ioctl+0xf8/0x170
[  579.993406][ T9140]  do_syscall_64+0x41/0xc0
[  579.998087][ T9140]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  580.004260][ T9140] RIP: 0033:0x7f68b62c56e9
[  580.008848][ T9140] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  580.029426][ T9140] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  580.038505][ T9140] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  580.047197][ T9140] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  580.055253][ T9140] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  580.063926][ T9140] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  580.072456][ T9140] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  580.081218][ T9140]  </TASK>
[  580.086672][ T9139] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  580.102318][ T9140] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  580.338068][ T9143] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  580.348374][ T9143] CPU: 1 PID: 9143 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  580.358896][ T9143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  580.369368][ T9143] Call Trace:
[  580.373577][ T9143]  <TASK>
[  580.376641][ T9143]  dump_stack_lvl+0x1e7/0x2d0
[  580.381458][ T9143]  ? nf_tcp_handle_invalid+0x650/0x650
[  580.387053][ T9143]  ? panic+0x770/0x770
[  580.392105][ T9143]  sysfs_create_dir_ns+0x2ca/0x390
[  580.398062][ T9143]  ? sysfs_warn_dup+0xa0/0xa0
[  580.402982][ T9143]  kobject_add_internal+0x61d/0xc30
[  580.408243][ T9143]  kobject_add+0x152/0x210
[  580.412833][ T9143]  ? kobject_put+0x3e4/0x430
[  580.417760][ T9143]  ? kobject_init+0x1f0/0x1f0
[  580.422920][ T9143]  ? get_device_parent+0x25d/0x410
[  580.428205][ T9143]  ? device_add+0x30f/0xc90
[  580.433222][ T9143]  device_add+0x449/0xc90
[  580.438456][ T9143]  tty_register_device_attr+0x437/0x960
[  580.444787][ T9143]  ? tty_register_device+0x30/0x30
[  580.450110][ T9143]  ? gsm_dlci_alloc+0x354/0x6e0
[  580.455580][ T9143]  gsm_activate_mux+0xe9/0x290
[  580.460710][ T9143]  gsmld_ioctl+0x1858/0x25b0
[  580.465439][ T9143]  ? tomoyo_path_number_perm+0x663/0x840
[  580.471128][ T9143]  ? gsmld_write+0x120/0x120
[  580.475827][ T9143]  ? __vt_event_wait+0x240/0x240
[  580.481134][ T9143]  ? ldsem_down_read+0xb4/0xe0
[  580.486253][ T9143]  ? gsmld_write+0x120/0x120
[  580.491027][ T9143]  tty_ioctl+0x98c/0xda0
[  580.495416][ T9143]  ? security_file_ioctl+0x81/0xa0
[  580.501027][ T9143]  ? tty_get_icount+0xb0/0xb0
[  580.506007][ T9143]  __se_sys_ioctl+0xf8/0x170
[  580.511921][ T9143]  do_syscall_64+0x41/0xc0
[  580.517270][ T9143]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  580.523562][ T9143] RIP: 0033:0x7f68b62c56e9
[  580.528606][ T9143] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  580.548936][ T9143] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  580.557527][ T9143] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  580.566056][ T9143] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  580.574264][ T9143] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  580.582973][ T9143] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  580.591538][ T9143] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  580.600623][ T9143]  </TASK>
[  580.614539][ T9143] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  580.844580][ T9146] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  580.858851][ T9146] CPU: 0 PID: 9146 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  580.870116][ T9146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  580.881117][ T9146] Call Trace:
[  580.884606][ T9146]  <TASK>
[  580.888173][ T9146]  dump_stack_lvl+0x1e7/0x2d0
[  580.892948][ T9146]  ? nf_tcp_handle_invalid+0x650/0x650
[  580.899241][ T9146]  ? panic+0x770/0x770
[  580.903644][ T9146]  sysfs_create_dir_ns+0x2ca/0x390
[  580.908975][ T9146]  ? sysfs_warn_dup+0xa0/0xa0
[  580.914195][ T9146]  kobject_add_internal+0x61d/0xc30
[  580.920339][ T9146]  kobject_add+0x152/0x210
[  580.924797][ T9146]  ? kobject_put+0x3e4/0x430
[  580.930414][ T9146]  ? kobject_init+0x1f0/0x1f0
[  580.935940][ T9146]  ? get_device_parent+0x25d/0x410
[  580.941454][ T9146]  ? device_add+0x30f/0xc90
[  580.946268][ T9146]  device_add+0x449/0xc90
[  580.950825][ T9146]  tty_register_device_attr+0x437/0x960
[  580.956944][ T9146]  ? tty_register_device+0x30/0x30
[  580.962104][ T9146]  ? gsm_dlci_alloc+0x354/0x6e0
[  580.967598][ T9146]  gsm_activate_mux+0xe9/0x290
[  580.972752][ T9146]  gsmld_ioctl+0x1858/0x25b0
[  580.977788][ T9146]  ? tomoyo_path_number_perm+0x663/0x840
[  580.983831][ T9146]  ? gsmld_write+0x120/0x120
[  580.988684][ T9146]  ? __vt_event_wait+0x240/0x240
[  580.993747][ T9146]  ? ldsem_down_read+0xb4/0xe0
[  580.998635][ T9146]  ? gsmld_write+0x120/0x120
[  581.003470][ T9146]  tty_ioctl+0x98c/0xda0
[  581.008454][ T9146]  ? security_file_ioctl+0x81/0xa0
[  581.014789][ T9146]  ? tty_get_icount+0xb0/0xb0
[  581.019555][ T9146]  __se_sys_ioctl+0xf8/0x170
[  581.024323][ T9146]  do_syscall_64+0x41/0xc0
[  581.028828][ T9146]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  581.034901][ T9146] RIP: 0033:0x7f68b62c56e9
[  581.039517][ T9146] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  581.061315][ T9146] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  581.070152][ T9146] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  581.079027][ T9146] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  581.088412][ T9146] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  581.097168][ T9146] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  581.105480][ T9146] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  581.114338][ T9146]  </TASK>
[  581.142575][ T9146] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  581.175293][ T9147] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  581.184323][ T9147] CPU: 0 PID: 9147 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  581.194698][ T9147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  581.205234][ T9147] Call Trace:
[  581.208578][ T9147]  <TASK>
[  581.211888][ T9147]  dump_stack_lvl+0x1e7/0x2d0
[  581.216821][ T9147]  ? nf_tcp_handle_invalid+0x650/0x650
[  581.222516][ T9147]  ? panic+0x770/0x770
[  581.226590][ T9147]  sysfs_create_dir_ns+0x2ca/0x390
[  581.231832][ T9147]  ? sysfs_warn_dup+0xa0/0xa0
[  581.236515][ T9147]  kobject_add_internal+0x61d/0xc30
[  581.242193][ T9147]  kobject_add+0x152/0x210
[  581.246814][ T9147]  ? kobject_put+0x3e4/0x430
[  581.251591][ T9147]  ? kobject_init+0x1f0/0x1f0
[  581.256461][ T9147]  ? get_device_parent+0x25d/0x410
[  581.262897][ T9147]  ? device_add+0x30f/0xc90
[  581.267853][ T9147]  device_add+0x449/0xc90
[  581.272307][ T9147]  tty_register_device_attr+0x437/0x960
[  581.278555][ T9147]  ? tty_register_device+0x30/0x30
[  581.283837][ T9147]  ? gsm_dlci_alloc+0x354/0x6e0
[  581.288768][ T9147]  gsm_activate_mux+0xe9/0x290
[  581.293792][ T9147]  gsmld_ioctl+0x1858/0x25b0
[  581.298538][ T9147]  ? tomoyo_path_number_perm+0x663/0x840
[  581.304217][ T9147]  ? gsmld_write+0x120/0x120
[  581.308996][ T9147]  ? __vt_event_wait+0x240/0x240
[  581.313998][ T9147]  ? ldsem_down_read+0xb4/0xe0
[  581.318889][ T9147]  ? gsmld_write+0x120/0x120
[  581.323621][ T9147]  tty_ioctl+0x98c/0xda0
[  581.327894][ T9147]  ? security_file_ioctl+0x81/0xa0
[  581.333295][ T9147]  ? tty_get_icount+0xb0/0xb0
[  581.338327][ T9147]  __se_sys_ioctl+0xf8/0x170
[  581.343144][ T9147]  do_syscall_64+0x41/0xc0
[  581.347675][ T9147]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  581.353805][ T9147] RIP: 0033:0x7f68b62c56e9
[  581.358236][ T9147] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  581.378447][ T9147] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  581.387316][ T9147] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  581.395365][ T9147] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  581.403496][ T9147] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  581.411469][ T9147] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  581.419513][ T9147] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  581.427579][ T9147]  </TASK>
[  581.433849][ T9147] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  581.612931][ T9150] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  581.638096][ T9150] CPU: 1 PID: 9150 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  581.648308][ T9150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  581.658254][ T9151] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  581.658446][ T9150] Call Trace:
[  581.658456][ T9150]  <TASK>
[  581.673338][ T9150]  dump_stack_lvl+0x1e7/0x2d0
[  581.678052][ T9150]  ? nf_tcp_handle_invalid+0x650/0x650
[  581.683510][ T9150]  ? panic+0x770/0x770
[  581.687581][ T9150]  sysfs_create_dir_ns+0x2ca/0x390
[  581.692778][ T9150]  ? sysfs_warn_dup+0xa0/0xa0
[  581.697446][ T9150]  kobject_add_internal+0x61d/0xc30
[  581.702643][ T9150]  kobject_add+0x152/0x210
[  581.707140][ T9150]  ? kobject_put+0x3e4/0x430
[  581.711722][ T9150]  ? kobject_init+0x1f0/0x1f0
[  581.716479][ T9150]  ? get_device_parent+0x25d/0x410
[  581.721593][ T9150]  ? device_add+0x30f/0xc90
[  581.726092][ T9150]  device_add+0x449/0xc90
[  581.730418][ T9150]  tty_register_device_attr+0x437/0x960
[  581.735960][ T9150]  ? tty_register_device+0x30/0x30
[  581.741087][ T9150]  ? gsm_dlci_alloc+0x354/0x6e0
[  581.745991][ T9150]  gsm_activate_mux+0xe9/0x290
[  581.750791][ T9150]  gsmld_ioctl+0x1858/0x25b0
[  581.755757][ T9150]  ? tomoyo_path_number_perm+0x663/0x840
[  581.761580][ T9150]  ? gsmld_write+0x120/0x120
[  581.766198][ T9150]  ? __vt_event_wait+0x240/0x240
[  581.771137][ T9150]  ? ldsem_down_read+0xb4/0xe0
[  581.775993][ T9150]  ? gsmld_write+0x120/0x120
[  581.780572][ T9150]  tty_ioctl+0x98c/0xda0
[  581.784806][ T9150]  ? security_file_ioctl+0x81/0xa0
[  581.789906][ T9150]  ? tty_get_icount+0xb0/0xb0
[  581.794582][ T9150]  __se_sys_ioctl+0xf8/0x170
[  581.799168][ T9150]  do_syscall_64+0x41/0xc0
[  581.803575][ T9150]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  581.809469][ T9150] RIP: 0033:0x7f68b62c56e9
[  581.813875][ T9150] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  581.833672][ T9150] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  581.842424][ T9150] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  581.850388][ T9150] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  581.858348][ T9150] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  581.866308][ T9150] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  581.874452][ T9150] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  581.882425][ T9150]  </TASK>
[  581.890216][ T9151] CPU: 0 PID: 9151 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  581.900679][ T9151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  581.902987][ T9150] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  581.911082][ T9151] Call Trace:
[  581.911093][ T9151]  <TASK>
[  581.911100][ T9151]  dump_stack_lvl+0x1e7/0x2d0
[  581.911129][ T9151]  ? nf_tcp_handle_invalid+0x650/0x650
[  581.911153][ T9151]  ? panic+0x770/0x770
[  581.911179][ T9151]  sysfs_create_dir_ns+0x2ca/0x390
[  581.911202][ T9151]  ? sysfs_warn_dup+0xa0/0xa0
[  581.911224][ T9151]  kobject_add_internal+0x61d/0xc30
[  581.911252][ T9151]  kobject_add+0x152/0x210
[  581.911274][ T9151]  ? kobject_put+0x3e4/0x430
[  581.911296][ T9151]  ? kobject_init+0x1f0/0x1f0
[  581.911321][ T9151]  ? get_device_parent+0x25d/0x410
[  581.911341][ T9151]  ? device_add+0x30f/0xc90
[  581.985795][ T9151]  device_add+0x449/0xc90
[  581.990405][ T9151]  tty_register_device_attr+0x437/0x960
[  581.995970][ T9151]  ? tty_register_device+0x30/0x30
[  582.001082][ T9151]  ? gsm_dlci_alloc+0x354/0x6e0
[  582.005975][ T9151]  gsm_activate_mux+0xe9/0x290
[  582.011308][ T9151]  gsmld_ioctl+0x1858/0x25b0
[  582.016326][ T9151]  ? tomoyo_path_number_perm+0x663/0x840
[  582.022261][ T9151]  ? gsmld_write+0x120/0x120
[  582.027283][ T9151]  ? __vt_event_wait+0x240/0x240
[  582.032221][ T9151]  ? ldsem_down_read+0xb4/0xe0
[  582.037588][ T9151]  ? gsmld_write+0x120/0x120
[  582.042169][ T9151]  tty_ioctl+0x98c/0xda0
[  582.046491][ T9151]  ? security_file_ioctl+0x81/0xa0
[  582.051696][ T9151]  ? tty_get_icount+0xb0/0xb0
[  582.056363][ T9151]  __se_sys_ioctl+0xf8/0x170
[  582.060947][ T9151]  do_syscall_64+0x41/0xc0
[  582.065357][ T9151]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  582.071338][ T9151] RIP: 0033:0x7f68b62c56e9
[  582.075832][ T9151] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  582.095906][ T9151] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  582.104317][ T9151] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  582.112277][ T9151] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  582.120757][ T9151] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  582.128901][ T9151] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  582.136971][ T9151] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  582.144968][ T9151]  </TASK>
[  582.161263][ T9151] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  582.359074][ T9154] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  582.371834][ T9154] CPU: 1 PID: 9154 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  582.381956][ T9154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  582.392035][ T9154] Call Trace:
[  582.395423][ T9154]  <TASK>
[  582.398457][ T9154]  dump_stack_lvl+0x1e7/0x2d0
[  582.403251][ T9154]  ? nf_tcp_handle_invalid+0x650/0x650
[  582.408736][ T9154]  ? panic+0x770/0x770
[  582.412839][ T9154]  sysfs_create_dir_ns+0x2ca/0x390
[  582.418241][ T9154]  ? sysfs_warn_dup+0xa0/0xa0
[  582.423035][ T9154]  kobject_add_internal+0x61d/0xc30
[  582.428359][ T9154]  kobject_add+0x152/0x210
[  582.432812][ T9154]  ? kobject_put+0x3e4/0x430
[  582.437428][ T9154]  ? kobject_init+0x1f0/0x1f0
[  582.442137][ T9154]  ? get_device_parent+0x25d/0x410
[  582.447277][ T9154]  ? device_add+0x30f/0xc90
[  582.451994][ T9154]  device_add+0x449/0xc90
[  582.456364][ T9154]  tty_register_device_attr+0x437/0x960
[  582.461953][ T9154]  ? tty_register_device+0x30/0x30
[  582.467097][ T9154]  ? gsm_dlci_alloc+0x354/0x6e0
[  582.471977][ T9154]  gsm_activate_mux+0xe9/0x290
[  582.476854][ T9154]  gsmld_ioctl+0x1858/0x25b0
[  582.481465][ T9154]  ? tomoyo_path_number_perm+0x663/0x840
[  582.487539][ T9154]  ? gsmld_write+0x120/0x120
[  582.492132][ T9154]  ? __vt_event_wait+0x240/0x240
[  582.497170][ T9154]  ? ldsem_down_read+0xb4/0xe0
[  582.502106][ T9154]  ? gsmld_write+0x120/0x120
[  582.506880][ T9154]  tty_ioctl+0x98c/0xda0
[  582.511139][ T9154]  ? security_file_ioctl+0x81/0xa0
[  582.516388][ T9154]  ? tty_get_icount+0xb0/0xb0
[  582.521145][ T9154]  __se_sys_ioctl+0xf8/0x170
[  582.525852][ T9154]  do_syscall_64+0x41/0xc0
[  582.531486][ T9154]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  582.537463][ T9154] RIP: 0033:0x7f68b62c56e9
[  582.541897][ T9154] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  582.561755][ T9154] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  582.570248][ T9154] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  582.578325][ T9154] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  582.586747][ T9154] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  582.594919][ T9154] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  582.602880][ T9154] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  582.611025][ T9154]  </TASK>
[  582.618057][ T9155] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  582.626954][ T9154] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  582.629664][ T9155] CPU: 1 PID: 9155 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  582.651006][ T9155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  582.661081][ T9155] Call Trace:
[  582.664379][ T9155]  <TASK>
[  582.667336][ T9155]  dump_stack_lvl+0x1e7/0x2d0
[  582.672054][ T9155]  ? nf_tcp_handle_invalid+0x650/0x650
[  582.677544][ T9155]  ? panic+0x770/0x770
[  582.681654][ T9155]  sysfs_create_dir_ns+0x2ca/0x390
[  582.686804][ T9155]  ? sysfs_warn_dup+0xa0/0xa0
[  582.691688][ T9155]  kobject_add_internal+0x61d/0xc30
[  582.697010][ T9155]  kobject_add+0x152/0x210
[  582.701527][ T9155]  ? kobject_put+0x3e4/0x430
[  582.706481][ T9155]  ? kobject_init+0x1f0/0x1f0
[  582.711339][ T9155]  ? get_device_parent+0x25d/0x410
[  582.716565][ T9155]  ? device_add+0x30f/0xc90
[  582.721153][ T9155]  device_add+0x449/0xc90
[  582.725655][ T9155]  tty_register_device_attr+0x437/0x960
[  582.731223][ T9155]  ? tty_register_device+0x30/0x30
[  582.736341][ T9155]  ? gsm_dlci_alloc+0x354/0x6e0
[  582.741210][ T9155]  gsm_activate_mux+0xe9/0x290
[  582.746175][ T9155]  gsmld_ioctl+0x1858/0x25b0
[  582.750784][ T9155]  ? tomoyo_path_number_perm+0x663/0x840
[  582.756728][ T9155]  ? gsmld_write+0x120/0x120
[  582.761424][ T9155]  ? __vt_event_wait+0x240/0x240
[  582.766510][ T9155]  ? ldsem_down_read+0xb4/0xe0
[  582.771855][ T9155]  ? gsmld_write+0x120/0x120
[  582.776633][ T9155]  tty_ioctl+0x98c/0xda0
[  582.780878][ T9155]  ? security_file_ioctl+0x81/0xa0
[  582.785985][ T9155]  ? tty_get_icount+0xb0/0xb0
[  582.790653][ T9155]  __se_sys_ioctl+0xf8/0x170
[  582.795239][ T9155]  do_syscall_64+0x41/0xc0
[  582.799651][ T9155]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  582.805720][ T9155] RIP: 0033:0x7f68b62c56e9
[  582.810651][ T9155] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  582.830259][ T9155] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  582.838841][ T9155] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  582.846814][ T9155] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  582.854949][ T9155] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  582.863522][ T9155] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  582.871507][ T9155] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  582.879916][ T9155]  </TASK>
[  582.883318][ T9155] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  583.054574][ T9158] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  583.085398][ T9158] CPU: 1 PID: 9158 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  583.095514][ T9158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  583.105679][ T9158] Call Trace:
[  583.109068][ T9158]  <TASK>
[  583.112194][ T9158]  dump_stack_lvl+0x1e7/0x2d0
[  583.117069][ T9158]  ? nf_tcp_handle_invalid+0x650/0x650
[  583.122627][ T9158]  ? panic+0x770/0x770
[  583.127045][ T9158]  sysfs_create_dir_ns+0x2ca/0x390
[  583.132151][ T9158]  ? sysfs_warn_dup+0xa0/0xa0
[  583.137264][ T9158]  kobject_add_internal+0x61d/0xc30
[  583.142743][ T9158]  kobject_add+0x152/0x210
[  583.147163][ T9158]  ? kobject_put+0x3e4/0x430
[  583.151742][ T9158]  ? kobject_init+0x1f0/0x1f0
[  583.156415][ T9158]  ? get_device_parent+0x25d/0x410
[  583.161517][ T9158]  ? device_add+0x30f/0xc90
[  583.166012][ T9158]  device_add+0x449/0xc90
[  583.170456][ T9158]  tty_register_device_attr+0x437/0x960
[  583.176368][ T9158]  ? tty_register_device+0x30/0x30
[  583.181657][ T9158]  ? gsm_dlci_alloc+0x354/0x6e0
[  583.186506][ T9158]  gsm_activate_mux+0xe9/0x290
[  583.191400][ T9158]  gsmld_ioctl+0x1858/0x25b0
[  583.195983][ T9158]  ? tomoyo_path_number_perm+0x663/0x840
[  583.201623][ T9158]  ? gsmld_write+0x120/0x120
[  583.206385][ T9158]  ? __vt_event_wait+0x240/0x240
[  583.211333][ T9158]  ? ldsem_down_read+0xb4/0xe0
[  583.216269][ T9158]  ? gsmld_write+0x120/0x120
[  583.221633][ T9158]  tty_ioctl+0x98c/0xda0
[  583.226476][ T9158]  ? security_file_ioctl+0x81/0xa0
[  583.231622][ T9158]  ? tty_get_icount+0xb0/0xb0
[  583.236814][ T9158]  __se_sys_ioctl+0xf8/0x170
[  583.241416][ T9158]  do_syscall_64+0x41/0xc0
[  583.246089][ T9158]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  583.252157][ T9158] RIP: 0033:0x7f68b62c56e9
[  583.256923][ T9158] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  583.277213][ T9158] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  583.285711][ T9158] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  583.293676][ T9158] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  583.302904][ T9158] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  583.310869][ T9158] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  583.319019][ T9158] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  583.327346][ T9158]  </TASK>
[  583.338343][ T9159] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  583.347374][ T9159] CPU: 1 PID: 9159 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  583.358415][ T9159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  583.368914][ T9159] Call Trace:
[  583.372372][ T9159]  <TASK>
[  583.375380][ T9159]  dump_stack_lvl+0x1e7/0x2d0
[  583.380147][ T9159]  ? nf_tcp_handle_invalid+0x650/0x650
[  583.385596][ T9159]  ? panic+0x770/0x770
[  583.389748][ T9159]  sysfs_create_dir_ns+0x2ca/0x390
[  583.394939][ T9159]  ? sysfs_warn_dup+0xa0/0xa0
[  583.399609][ T9159]  kobject_add_internal+0x61d/0xc30
[  583.404897][ T9159]  kobject_add+0x152/0x210
[  583.409396][ T9159]  ? kobject_put+0x3e4/0x430
[  583.414400][ T9159]  ? kobject_init+0x1f0/0x1f0
[  583.419168][ T9159]  ? get_device_parent+0x25d/0x410
[  583.424278][ T9159]  ? device_add+0x30f/0xc90
[  583.428776][ T9159]  device_add+0x449/0xc90
[  583.433104][ T9159]  tty_register_device_attr+0x437/0x960
[  583.438648][ T9159]  ? tty_register_device+0x30/0x30
[  583.443849][ T9159]  ? gsm_dlci_alloc+0x354/0x6e0
[  583.448782][ T9159]  gsm_activate_mux+0xe9/0x290
[  583.453856][ T9159]  gsmld_ioctl+0x1858/0x25b0
[  583.458526][ T9159]  ? tomoyo_path_number_perm+0x663/0x840
[  583.464344][ T9159]  ? gsmld_write+0x120/0x120
[  583.469810][ T9159]  ? __vt_event_wait+0x240/0x240
[  583.474751][ T9159]  ? ldsem_down_read+0xb4/0xe0
[  583.479620][ T9159]  ? gsmld_write+0x120/0x120
[  583.484468][ T9159]  tty_ioctl+0x98c/0xda0
[  583.488994][ T9159]  ? security_file_ioctl+0x81/0xa0
[  583.494101][ T9159]  ? tty_get_icount+0xb0/0xb0
[  583.498957][ T9159]  __se_sys_ioctl+0xf8/0x170
[  583.503550][ T9159]  do_syscall_64+0x41/0xc0
[  583.508061][ T9159]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  583.514297][ T9159] RIP: 0033:0x7f68b62c56e9
[  583.518829][ T9159] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  583.538428][ T9159] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  583.546921][ T9159] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  583.554986][ T9159] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  583.563126][ T9159] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  583.571109][ T9159] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  583.579502][ T9159] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  583.587600][ T9159]  </TASK>
[  583.595143][ T9159] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  583.612958][ T9158] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  583.801835][ T9162] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  583.833741][ T9162] CPU: 0 PID: 9162 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  583.844036][ T9162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  583.854338][ T9162] Call Trace:
[  583.857645][ T9162]  <TASK>
[  583.857916][ T9163] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  583.860572][ T9162]  dump_stack_lvl+0x1e7/0x2d0
[  583.873946][ T9162]  ? nf_tcp_handle_invalid+0x650/0x650
[  583.879534][ T9162]  ? panic+0x770/0x770
[  583.883848][ T9162]  sysfs_create_dir_ns+0x2ca/0x390
[  583.889069][ T9162]  ? sysfs_warn_dup+0xa0/0xa0
[  583.893863][ T9162]  kobject_add_internal+0x61d/0xc30
[  583.899090][ T9162]  kobject_add+0x152/0x210
[  583.903514][ T9162]  ? kobject_put+0x3e4/0x430
[  583.908106][ T9162]  ? kobject_init+0x1f0/0x1f0
[  583.912785][ T9162]  ? get_device_parent+0x25d/0x410
[  583.918026][ T9162]  ? device_add+0x30f/0xc90
[  583.922532][ T9162]  device_add+0x449/0xc90
[  583.926968][ T9162]  tty_register_device_attr+0x437/0x960
[  583.932881][ T9162]  ? tty_register_device+0x30/0x30
[  583.938267][ T9162]  ? gsm_dlci_alloc+0x354/0x6e0
[  583.943477][ T9162]  gsm_activate_mux+0xe9/0x290
[  583.948346][ T9162]  gsmld_ioctl+0x1858/0x25b0
[  583.953016][ T9162]  ? tomoyo_path_number_perm+0x663/0x840
[  583.958930][ T9162]  ? gsmld_write+0x120/0x120
[  583.963609][ T9162]  ? __vt_event_wait+0x240/0x240
[  583.968649][ T9162]  ? ldsem_down_read+0xb4/0xe0
[  583.973413][ T9162]  ? gsmld_write+0x120/0x120
[  583.978171][ T9162]  tty_ioctl+0x98c/0xda0
[  583.982669][ T9162]  ? security_file_ioctl+0x81/0xa0
[  583.987953][ T9162]  ? tty_get_icount+0xb0/0xb0
[  583.992809][ T9162]  __se_sys_ioctl+0xf8/0x170
[  583.997395][ T9162]  do_syscall_64+0x41/0xc0
[  584.001891][ T9162]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  584.008039][ T9162] RIP: 0033:0x7f68b62c56e9
[  584.012624][ T9162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  584.032660][ T9162] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  584.042721][ T9162] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  584.050734][ T9162] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  584.058880][ T9162] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  584.066956][ T9162] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  584.075017][ T9162] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  584.083115][ T9162]  </TASK>
[  584.086392][ T9163] CPU: 1 PID: 9163 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  584.097185][ T9163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  584.107625][ T9163] Call Trace:
[  584.110431][ T9162] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  584.110910][ T9163]  <TASK>
[  584.128039][ T9163]  dump_stack_lvl+0x1e7/0x2d0
[  584.132750][ T9163]  ? nf_tcp_handle_invalid+0x650/0x650
[  584.138233][ T9163]  ? panic+0x770/0x770
[  584.142336][ T9163]  sysfs_create_dir_ns+0x2ca/0x390
[  584.147476][ T9163]  ? sysfs_warn_dup+0xa0/0xa0
[  584.152466][ T9163]  kobject_add_internal+0x61d/0xc30
[  584.157707][ T9163]  kobject_add+0x152/0x210
[  584.162256][ T9163]  ? kobject_put+0x3e4/0x430
[  584.166878][ T9163]  ? kobject_init+0x1f0/0x1f0
[  584.171684][ T9163]  ? get_device_parent+0x25d/0x410
[  584.177089][ T9163]  ? device_add+0x30f/0xc90
[  584.181621][ T9163]  device_add+0x449/0xc90
[  584.185953][ T9163]  tty_register_device_attr+0x437/0x960
[  584.191685][ T9163]  ? tty_register_device+0x30/0x30
[  584.196891][ T9163]  ? gsm_dlci_alloc+0x354/0x6e0
[  584.201743][ T9163]  gsm_activate_mux+0xe9/0x290
[  584.206502][ T9163]  gsmld_ioctl+0x1858/0x25b0
[  584.211212][ T9163]  ? tomoyo_path_number_perm+0x663/0x840
[  584.216849][ T9163]  ? gsmld_write+0x120/0x120
[  584.221442][ T9163]  ? __vt_event_wait+0x240/0x240
[  584.226469][ T9163]  ? ldsem_down_read+0xb4/0xe0
[  584.231253][ T9163]  ? gsmld_write+0x120/0x120
[  584.235926][ T9163]  tty_ioctl+0x98c/0xda0
[  584.240247][ T9163]  ? security_file_ioctl+0x81/0xa0
[  584.245358][ T9163]  ? tty_get_icount+0xb0/0xb0
[  584.250029][ T9163]  __se_sys_ioctl+0xf8/0x170
[  584.255418][ T9163]  do_syscall_64+0x41/0xc0
[  584.259919][ T9163]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  584.265808][ T9163] RIP: 0033:0x7f68b62c56e9
[  584.270210][ T9163] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  584.290345][ T9163] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  584.300061][ T9163] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  584.308039][ T9163] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  584.316289][ T9163] RBP: 00007f68b634f400 R08: 00007f68b62446c0 R09: 00007f68b62446c0
[  584.324273][ T9163] R10: 00007ffe40f6f7f7 R11: 0000000000000246 R12: 00007f68b631c074
[  584.332251][ T9163] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  584.340228][ T9163]  </TASK>
[  584.349537][ T9163] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  584.514100][ T9166] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  584.528163][ T9166] CPU: 0 PID: 9166 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  584.538274][ T9166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  584.548365][ T9166] Call Trace:
[  584.551675][ T9166]  <TASK>
[  584.554627][ T9166]  dump_stack_lvl+0x1e7/0x2d0
[  584.559337][ T9166]  ? nf_tcp_handle_invalid+0x650/0x650
[  584.564920][ T9166]  ? panic+0x770/0x770
[  584.569029][ T9166]  sysfs_create_dir_ns+0x2ca/0x390
[  584.574276][ T9166]  ? sysfs_warn_dup+0xa0/0xa0
[  584.579069][ T9166]  kobject_add_internal+0x61d/0xc30
[  584.584378][ T9166]  kobject_add+0x152/0x210
[  584.588893][ T9166]  ? kobject_put+0x3e4/0x430
[  584.593675][ T9166]  ? kobject_init+0x1f0/0x1f0
[  584.598438][ T9166]  ? get_device_parent+0x25d/0x410
[  584.603577][ T9166]  ? device_add+0x30f/0xc90
[  584.608165][ T9166]  device_add+0x449/0xc90
[  584.612606][ T9166]  tty_register_device_attr+0x437/0x960
[  584.618162][ T9166]  ? tty_register_device+0x30/0x30
[  584.623361][ T9166]  ? gsm_dlci_alloc+0x354/0x6e0
[  584.628217][ T9166]  gsm_activate_mux+0xe9/0x290
[  584.632975][ T9166]  gsmld_ioctl+0x1858/0x25b0
[  584.637675][ T9166]  ? tomoyo_path_number_perm+0x663/0x840
[  584.643418][ T9166]  ? gsmld_write+0x120/0x120
[  584.648006][ T9166]  ? __vt_event_wait+0x240/0x240
[  584.653029][ T9166]  ? ldsem_down_read+0xb4/0xe0
[  584.657882][ T9166]  ? gsmld_write+0x120/0x120
[  584.662474][ T9166]  tty_ioctl+0x98c/0xda0
[  584.666722][ T9166]  ? security_file_ioctl+0x81/0xa0
[  584.671823][ T9166]  ? tty_get_icount+0xb0/0xb0
[  584.676489][ T9166]  __se_sys_ioctl+0xf8/0x170
[  584.681164][ T9166]  do_syscall_64+0x41/0xc0
[  584.685573][ T9166]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  584.691460][ T9166] RIP: 0033:0x7f68b62c56e9
[  584.695953][ T9166] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  584.715727][ T9166] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  584.724308][ T9166] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  584.732530][ T9166] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  584.740497][ T9166] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  584.748483][ T9166] R10: 00007f68b6264f46 R11: 0000000000000246 R12: 00007f68b631c074
[  584.756824][ T9166] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  584.765111][ T9166]  </TASK>
[  584.789718][ T9166] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  584.804279][ T9167] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  584.818338][ T9167] CPU: 0 PID: 9167 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  584.828498][ T9167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  584.838664][ T9167] Call Trace:
[  584.842571][ T9167]  <TASK>
[  584.845613][ T9167]  dump_stack_lvl+0x1e7/0x2d0
[  584.850333][ T9167]  ? nf_tcp_handle_invalid+0x650/0x650
[  584.856253][ T9167]  ? panic+0x770/0x770
[  584.860442][ T9167]  sysfs_create_dir_ns+0x2ca/0x390
[  584.865759][ T9167]  ? sysfs_warn_dup+0xa0/0xa0
[  584.870640][ T9167]  kobject_add_internal+0x61d/0xc30
[  584.876142][ T9167]  kobject_add+0x152/0x210
[  584.880721][ T9167]  ? kobject_put+0x3e4/0x430
[  584.885340][ T9167]  ? kobject_init+0x1f0/0x1f0
[  584.890227][ T9167]  ? get_device_parent+0x25d/0x410
[  584.895623][ T9167]  ? device_add+0x30f/0xc90
[  584.900126][ T9167]  device_add+0x449/0xc90
[  584.904721][ T9167]  tty_register_device_attr+0x437/0x960
[  584.910293][ T9167]  ? tty_register_device+0x30/0x30
[  584.915408][ T9167]  ? gsm_dlci_alloc+0x354/0x6e0
[  584.920256][ T9167]  gsm_activate_mux+0xe9/0x290
[  584.925539][ T9167]  gsmld_ioctl+0x1858/0x25b0
[  584.930131][ T9167]  ? tomoyo_path_number_perm+0x663/0x840
[  584.935773][ T9167]  ? gsmld_write+0x120/0x120
[  584.940385][ T9167]  ? __vt_event_wait+0x240/0x240
[  584.945504][ T9167]  ? ldsem_down_read+0xb4/0xe0
[  584.950443][ T9167]  ? gsmld_write+0x120/0x120
[  584.955036][ T9167]  tty_ioctl+0x98c/0xda0
[  584.959925][ T9167]  ? security_file_ioctl+0x81/0xa0
[  584.965114][ T9167]  ? tty_get_icount+0xb0/0xb0
[  584.969871][ T9167]  __se_sys_ioctl+0xf8/0x170
[  584.974672][ T9167]  do_syscall_64+0x41/0xc0
[  584.979202][ T9167]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  584.985359][ T9167] RIP: 0033:0x7f68b62c56e9
[  584.990383][ T9167] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  585.010595][ T9167] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  585.019357][ T9167] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  585.027415][ T9167] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  585.035459][ T9167] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  585.043419][ T9167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  585.051379][ T9167] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  585.059346][ T9167]  </TASK>
[  585.063734][ T9167] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  585.234072][ T9170] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  585.244710][ T9170] CPU: 0 PID: 9170 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  585.254989][ T9170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  585.265149][ T9170] Call Trace:
[  585.268532][ T9170]  <TASK>
[  585.271672][ T9170]  dump_stack_lvl+0x1e7/0x2d0
[  585.276382][ T9170]  ? nf_tcp_handle_invalid+0x650/0x650
[  585.282131][ T9170]  ? panic+0x770/0x770
[  585.286235][ T9170]  sysfs_create_dir_ns+0x2ca/0x390
[  585.287316][ T9171] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  585.291360][ T9170]  ? sysfs_warn_dup+0xa0/0xa0
[  585.304455][ T9170]  kobject_add_internal+0x61d/0xc30
[  585.309693][ T9170]  kobject_add+0x152/0x210
[  585.314135][ T9170]  ? kobject_put+0x3e4/0x430
[  585.318750][ T9170]  ? kobject_init+0x1f0/0x1f0
[  585.323452][ T9170]  ? get_device_parent+0x25d/0x410
[  585.328600][ T9170]  ? device_add+0x30f/0xc90
[  585.333130][ T9170]  device_add+0x449/0xc90
[  585.337637][ T9170]  tty_register_device_attr+0x437/0x960
[  585.343187][ T9170]  ? tty_register_device+0x30/0x30
[  585.348295][ T9170]  ? gsm_dlci_alloc+0x354/0x6e0
[  585.353141][ T9170]  gsm_activate_mux+0xe9/0x290
[  585.357927][ T9170]  gsmld_ioctl+0x1858/0x25b0
[  585.362620][ T9170]  ? tomoyo_path_number_perm+0x663/0x840
[  585.368443][ T9170]  ? gsmld_write+0x120/0x120
[  585.373032][ T9170]  ? __vt_event_wait+0x240/0x240
[  585.378075][ T9170]  ? ldsem_down_read+0xb4/0xe0
[  585.382905][ T9170]  ? gsmld_write+0x120/0x120
[  585.387590][ T9170]  tty_ioctl+0x98c/0xda0
[  585.392010][ T9170]  ? security_file_ioctl+0x81/0xa0
[  585.397117][ T9170]  ? tty_get_icount+0xb0/0xb0
[  585.401908][ T9170]  __se_sys_ioctl+0xf8/0x170
[  585.406530][ T9170]  do_syscall_64+0x41/0xc0
[  585.411125][ T9170]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  585.417031][ T9170] RIP: 0033:0x7f68b62c56e9
[  585.421441][ T9170] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  585.441041][ T9170] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  585.449457][ T9170] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  585.457853][ T9170] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  585.465815][ T9170] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  585.473777][ T9170] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  585.481830][ T9170] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  585.489993][ T9170]  </TASK>
[  585.499225][ T9171] CPU: 0 PID: 9171 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  585.509417][ T9171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  585.519578][ T9171] Call Trace:
[  585.522876][ T9171]  <TASK>
[  585.525828][ T9171]  dump_stack_lvl+0x1e7/0x2d0
[  585.530531][ T9171]  ? nf_tcp_handle_invalid+0x650/0x650
[  585.536020][ T9171]  ? panic+0x770/0x770
[  585.540215][ T9171]  sysfs_create_dir_ns+0x2ca/0x390
[  585.545361][ T9171]  ? sysfs_warn_dup+0xa0/0xa0
[  585.550158][ T9171]  kobject_add_internal+0x61d/0xc30
[  585.555389][ T9171]  kobject_add+0x152/0x210
[  585.559924][ T9171]  ? kobject_put+0x3e4/0x430
[  585.564543][ T9171]  ? kobject_init+0x1f0/0x1f0
[  585.569256][ T9171]  ? get_device_parent+0x25d/0x410
[  585.574847][ T9171]  ? device_add+0x30f/0xc90
[  585.579377][ T9171]  device_add+0x449/0xc90
[  585.583705][ T9171]  tty_register_device_attr+0x437/0x960
[  585.589272][ T9171]  ? tty_register_device+0x30/0x30
[  585.594391][ T9171]  ? gsm_dlci_alloc+0x354/0x6e0
[  585.599255][ T9171]  gsm_activate_mux+0xe9/0x290
[  585.604361][ T9171]  gsmld_ioctl+0x1858/0x25b0
[  585.609031][ T9171]  ? tomoyo_path_number_perm+0x663/0x840
[  585.614673][ T9171]  ? gsmld_write+0x120/0x120
[  585.619344][ T9171]  ? __vt_event_wait+0x240/0x240
[  585.624282][ T9171]  ? ldsem_down_read+0xb4/0xe0
[  585.629054][ T9171]  ? gsmld_write+0x120/0x120
[  585.633807][ T9171]  tty_ioctl+0x98c/0xda0
[  585.638043][ T9171]  ? security_file_ioctl+0x81/0xa0
[  585.643157][ T9171]  ? tty_get_icount+0xb0/0xb0
[  585.647826][ T9171]  __se_sys_ioctl+0xf8/0x170
[  585.652499][ T9171]  do_syscall_64+0x41/0xc0
[  585.656926][ T9171]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  585.662852][ T9171] RIP: 0033:0x7f68b62c56e9
[  585.667356][ T9171] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  585.687253][ T9171] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  585.695831][ T9171] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  585.703794][ T9171] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  585.711778][ T9171] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  585.720201][ T9171] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  585.728183][ T9171] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  585.736517][ T9171]  </TASK>
[  585.740272][ T9170] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  585.746638][ T9171] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  585.920195][ T9174] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  585.935650][ T9174] CPU: 0 PID: 9174 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  585.945769][ T9174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  585.956021][ T9174] Call Trace:
[  585.959407][ T9174]  <TASK>
[  585.962382][ T9174]  dump_stack_lvl+0x1e7/0x2d0
[  585.967093][ T9174]  ? nf_tcp_handle_invalid+0x650/0x650
[  585.973009][ T9174]  ? panic+0x770/0x770
[  585.977106][ T9174]  sysfs_create_dir_ns+0x2ca/0x390
[  585.982286][ T9174]  ? sysfs_warn_dup+0xa0/0xa0
[  585.987089][ T9174]  kobject_add_internal+0x61d/0xc30
[  585.992325][ T9174]  kobject_add+0x152/0x210
[  585.996773][ T9174]  ? kobject_put+0x3e4/0x430
[  586.001391][ T9174]  ? kobject_init+0x1f0/0x1f0
[  586.006279][ T9174]  ? get_device_parent+0x25d/0x410
[  586.011418][ T9174]  ? device_add+0x30f/0xc90
[  586.016053][ T9174]  device_add+0x449/0xc90
[  586.020412][ T9174]  tty_register_device_attr+0x437/0x960
[  586.026000][ T9174]  ? tty_register_device+0x30/0x30
[  586.031325][ T9174]  ? gsm_dlci_alloc+0x354/0x6e0
[  586.036206][ T9174]  gsm_activate_mux+0xe9/0x290
[  586.041000][ T9174]  gsmld_ioctl+0x1858/0x25b0
[  586.045660][ T9174]  ? tomoyo_path_number_perm+0x663/0x840
[  586.051329][ T9174]  ? gsmld_write+0x120/0x120
[  586.055951][ T9174]  ? __vt_event_wait+0x240/0x240
[  586.060932][ T9174]  ? ldsem_down_read+0xb4/0xe0
[  586.065903][ T9174]  ? gsmld_write+0x120/0x120
[  586.070869][ T9174]  tty_ioctl+0x98c/0xda0
[  586.075144][ T9174]  ? security_file_ioctl+0x81/0xa0
[  586.080287][ T9174]  ? tty_get_icount+0xb0/0xb0
[  586.085088][ T9174]  __se_sys_ioctl+0xf8/0x170
[  586.089719][ T9174]  do_syscall_64+0x41/0xc0
[  586.094166][ T9174]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  586.100089][ T9174] RIP: 0033:0x7f68b62c56e9
[  586.104511][ T9174] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  586.125048][ T9174] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  586.133471][ T9174] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  586.141462][ T9174] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  586.149421][ T9174] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  586.157393][ T9174] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  586.165584][ T9174] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  586.173750][ T9174]  </TASK>
[  586.177057][ T9174] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  586.343011][ T9178] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  586.353154][ T9178] CPU: 1 PID: 9178 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  586.363435][ T9178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  586.373517][ T9178] Call Trace:
[  586.376999][ T9178]  <TASK>
[  586.380004][ T9178]  dump_stack_lvl+0x1e7/0x2d0
[  586.384890][ T9178]  ? nf_tcp_handle_invalid+0x650/0x650
[  586.390602][ T9178]  ? panic+0x770/0x770
[  586.394796][ T9178]  sysfs_create_dir_ns+0x2ca/0x390
[  586.400114][ T9178]  ? sysfs_warn_dup+0xa0/0xa0
[  586.404832][ T9178]  kobject_add_internal+0x61d/0xc30
[  586.410150][ T9178]  kobject_add+0x152/0x210
[  586.414685][ T9178]  ? kobject_put+0x3e4/0x430
[  586.419381][ T9178]  ? kobject_init+0x1f0/0x1f0
[  586.424096][ T9178]  ? get_device_parent+0x25d/0x410
[  586.429423][ T9178]  ? device_add+0x30f/0xc90
[  586.434031][ T9178]  device_add+0x449/0xc90
[  586.438464][ T9178]  tty_register_device_attr+0x437/0x960
[  586.444457][ T9178]  ? tty_register_device+0x30/0x30
[  586.449743][ T9178]  ? gsm_dlci_alloc+0x354/0x6e0
[  586.454704][ T9178]  gsm_activate_mux+0xe9/0x290
[  586.459602][ T9178]  gsmld_ioctl+0x1858/0x25b0
[  586.464359][ T9178]  ? tomoyo_path_number_perm+0x663/0x840
[  586.469996][ T9178]  ? gsmld_write+0x120/0x120
[  586.474583][ T9178]  ? __vt_event_wait+0x240/0x240
[  586.479614][ T9178]  ? ldsem_down_read+0xb4/0xe0
[  586.484561][ T9178]  ? gsmld_write+0x120/0x120
[  586.489232][ T9178]  tty_ioctl+0x98c/0xda0
[  586.493559][ T9178]  ? security_file_ioctl+0x81/0xa0
[  586.498670][ T9178]  ? tty_get_icount+0xb0/0xb0
[  586.504471][ T9178]  __se_sys_ioctl+0xf8/0x170
[  586.509058][ T9178]  do_syscall_64+0x41/0xc0
[  586.513600][ T9178]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  586.519493][ T9178] RIP: 0033:0x7f68b62c56e9
[  586.523915][ T9178] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  586.544398][ T9178] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  586.552897][ T9178] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  586.561120][ T9178] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  586.569251][ T9178] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  586.577298][ T9178] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  586.585259][ T9178] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  586.593426][ T9178]  </TASK>
[  586.597281][ T9179] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  586.605805][ T9179] CPU: 1 PID: 9179 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  586.616155][ T9179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  586.626258][ T9179] Call Trace:
[  586.629617][ T9179]  <TASK>
[  586.632569][ T9179]  dump_stack_lvl+0x1e7/0x2d0
[  586.637532][ T9179]  ? nf_tcp_handle_invalid+0x650/0x650
[  586.643070][ T9179]  ? panic+0x770/0x770
[  586.647135][ T9179]  sysfs_create_dir_ns+0x2ca/0x390
[  586.652251][ T9179]  ? sysfs_warn_dup+0xa0/0xa0
[  586.656922][ T9179]  kobject_add_internal+0x61d/0xc30
[  586.662123][ T9179]  kobject_add+0x152/0x210
[  586.666540][ T9179]  ? kobject_put+0x3e4/0x430
[  586.671545][ T9179]  ? kobject_init+0x1f0/0x1f0
[  586.676331][ T9179]  ? get_device_parent+0x25d/0x410
[  586.681436][ T9179]  ? device_add+0x30f/0xc90
[  586.685935][ T9179]  device_add+0x449/0xc90
[  586.690350][ T9179]  tty_register_device_attr+0x437/0x960
[  586.695890][ T9179]  ? tty_register_device+0x30/0x30
[  586.701025][ T9179]  ? gsm_dlci_alloc+0x354/0x6e0
[  586.705870][ T9179]  gsm_activate_mux+0xe9/0x290
[  586.710632][ T9179]  gsmld_ioctl+0x1858/0x25b0
[  586.715297][ T9179]  ? tomoyo_path_number_perm+0x663/0x840
[  586.720930][ T9179]  ? gsmld_write+0x120/0x120
[  586.725511][ T9179]  ? __vt_event_wait+0x240/0x240
[  586.730447][ T9179]  ? ldsem_down_read+0xb4/0xe0
[  586.735206][ T9179]  ? gsmld_write+0x120/0x120
[  586.739804][ T9179]  tty_ioctl+0x98c/0xda0
[  586.744127][ T9179]  ? security_file_ioctl+0x81/0xa0
[  586.749237][ T9179]  ? tty_get_icount+0xb0/0xb0
[  586.753906][ T9179]  __se_sys_ioctl+0xf8/0x170
[  586.758516][ T9179]  do_syscall_64+0x41/0xc0
[  586.763190][ T9179]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  586.769082][ T9179] RIP: 0033:0x7f68b62c56e9
[  586.773495][ T9179] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  586.793302][ T9179] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  586.801718][ T9179] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  586.809680][ T9179] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  586.817738][ T9179] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  586.825784][ T9179] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  586.834035][ T9179] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  586.842002][ T9179]  </TASK>
[  586.846666][ T9178] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  586.883768][ T9179] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  587.072355][ T9182] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  587.083554][ T9182] CPU: 1 PID: 9182 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  587.094460][ T9182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  587.104712][ T9182] Call Trace:
[  587.108114][ T9182]  <TASK>
[  587.111502][ T9182]  dump_stack_lvl+0x1e7/0x2d0
[  587.116405][ T9182]  ? nf_tcp_handle_invalid+0x650/0x650
[  587.121897][ T9182]  ? panic+0x770/0x770
[  587.126008][ T9182]  sysfs_create_dir_ns+0x2ca/0x390
[  587.131169][ T9182]  ? sysfs_warn_dup+0xa0/0xa0
[  587.136155][ T9182]  kobject_add_internal+0x61d/0xc30
[  587.141846][ T9182]  kobject_add+0x152/0x210
[  587.146486][ T9182]  ? kobject_put+0x3e4/0x430
[  587.151214][ T9182]  ? kobject_init+0x1f0/0x1f0
[  587.156049][ T9182]  ? get_device_parent+0x25d/0x410
[  587.161202][ T9182]  ? device_add+0x30f/0xc90
[  587.165844][ T9182]  device_add+0x449/0xc90
[  587.170255][ T9182]  tty_register_device_attr+0x437/0x960
[  587.175854][ T9182]  ? tty_register_device+0x30/0x30
[  587.181532][ T9182]  ? gsm_dlci_alloc+0x354/0x6e0
[  587.186851][ T9182]  gsm_activate_mux+0xe9/0x290
[  587.191743][ T9182]  gsmld_ioctl+0x1858/0x25b0
[  587.196360][ T9182]  ? tomoyo_path_number_perm+0x663/0x840
[  587.202052][ T9182]  ? gsmld_write+0x120/0x120
[  587.206670][ T9182]  ? __vt_event_wait+0x240/0x240
[  587.211993][ T9182]  ? ldsem_down_read+0xb4/0xe0
[  587.216973][ T9182]  ? gsmld_write+0x120/0x120
[  587.221778][ T9182]  tty_ioctl+0x98c/0xda0
[  587.226137][ T9182]  ? security_file_ioctl+0x81/0xa0
[  587.231364][ T9182]  ? tty_get_icount+0xb0/0xb0
[  587.236250][ T9182]  __se_sys_ioctl+0xf8/0x170
[  587.241143][ T9182]  do_syscall_64+0x41/0xc0
[  587.245587][ T9182]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  587.251595][ T9182] RIP: 0033:0x7f68b62c56e9
[  587.256172][ T9182] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  587.277347][ T9182] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  587.286620][ T9182] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  587.294842][ T9182] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  587.302895][ T9182] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  587.310849][ T9182] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  587.318899][ T9182] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  587.326862][ T9182]  </TASK>
[  587.331871][ T9182] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  587.502083][ T9185] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  587.523210][ T9185] CPU: 0 PID: 9185 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  587.533671][ T9185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  587.543737][ T9185] Call Trace:
[  587.547032][ T9185]  <TASK>
[  587.550156][ T9185]  dump_stack_lvl+0x1e7/0x2d0
[  587.554863][ T9185]  ? nf_tcp_handle_invalid+0x650/0x650
[  587.560530][ T9185]  ? panic+0x770/0x770
[  587.564983][ T9185]  sysfs_create_dir_ns+0x2ca/0x390
[  587.570133][ T9185]  ? sysfs_warn_dup+0xa0/0xa0
[  587.574852][ T9185]  kobject_add_internal+0x61d/0xc30
[  587.580121][ T9185]  kobject_add+0x152/0x210
[  587.584721][ T9185]  ? kobject_put+0x3e4/0x430
[  587.589393][ T9185]  ? kobject_init+0x1f0/0x1f0
[  587.594076][ T9185]  ? get_device_parent+0x25d/0x410
[  587.599183][ T9185]  ? device_add+0x30f/0xc90
[  587.603681][ T9185]  device_add+0x449/0xc90
[  587.608093][ T9185]  tty_register_device_attr+0x437/0x960
[  587.613632][ T9185]  ? tty_register_device+0x30/0x30
[  587.618740][ T9185]  ? gsm_dlci_alloc+0x354/0x6e0
[  587.623854][ T9185]  gsm_activate_mux+0xe9/0x290
[  587.628710][ T9185]  gsmld_ioctl+0x1858/0x25b0
[  587.633294][ T9185]  ? tomoyo_path_number_perm+0x663/0x840
[  587.638970][ T9185]  ? gsmld_write+0x120/0x120
[  587.643665][ T9185]  ? __vt_event_wait+0x240/0x240
[  587.648707][ T9185]  ? ldsem_down_read+0xb4/0xe0
[  587.653643][ T9185]  ? gsmld_write+0x120/0x120
[  587.658409][ T9185]  tty_ioctl+0x98c/0xda0
[  587.662820][ T9185]  ? security_file_ioctl+0x81/0xa0
[  587.668035][ T9185]  ? tty_get_icount+0xb0/0xb0
[  587.672966][ T9185]  __se_sys_ioctl+0xf8/0x170
[  587.677869][ T9185]  do_syscall_64+0x41/0xc0
[  587.682375][ T9185]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  587.688356][ T9185] RIP: 0033:0x7f68b62c56e9
[  587.692827][ T9185] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  587.712716][ T9185] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  587.721145][ T9185] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  587.729112][ T9185] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  587.737159][ T9185] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  587.745339][ T9185] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  587.753931][ T9185] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  587.763059][ T9185]  </TASK>
[  587.782142][ T9185] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  587.987280][ T9188] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  588.012510][ T9188] CPU: 1 PID: 9188 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  588.022977][ T9188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  588.033233][ T9188] Call Trace:
[  588.034692][ T9189] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  588.036519][ T9188]  <TASK>
[  588.036528][ T9188]  dump_stack_lvl+0x1e7/0x2d0
[  588.036555][ T9188]  ? nf_tcp_handle_invalid+0x650/0x650
[  588.036573][ T9188]  ? panic+0x770/0x770
[  588.036597][ T9188]  sysfs_create_dir_ns+0x2ca/0x390
[  588.067708][ T9188]  ? sysfs_warn_dup+0xa0/0xa0
[  588.072483][ T9188]  kobject_add_internal+0x61d/0xc30
[  588.077882][ T9188]  kobject_add+0x152/0x210
[  588.082299][ T9188]  ? kobject_put+0x3e4/0x430
[  588.086893][ T9188]  ? kobject_init+0x1f0/0x1f0
[  588.091587][ T9188]  ? get_device_parent+0x25d/0x410
[  588.096974][ T9188]  ? device_add+0x30f/0xc90
[  588.101483][ T9188]  device_add+0x449/0xc90
[  588.105825][ T9188]  tty_register_device_attr+0x437/0x960
[  588.111374][ T9188]  ? tty_register_device+0x30/0x30
[  588.116493][ T9188]  ? gsm_dlci_alloc+0x354/0x6e0
[  588.121346][ T9188]  gsm_activate_mux+0xe9/0x290
[  588.126115][ T9188]  gsmld_ioctl+0x1858/0x25b0
[  588.130702][ T9188]  ? tomoyo_path_number_perm+0x663/0x840
[  588.136385][ T9188]  ? gsmld_write+0x120/0x120
[  588.140995][ T9188]  ? __vt_event_wait+0x240/0x240
[  588.146116][ T9188]  ? ldsem_down_read+0xb4/0xe0
[  588.151058][ T9188]  ? gsmld_write+0x120/0x120
[  588.155662][ T9188]  tty_ioctl+0x98c/0xda0
[  588.159907][ T9188]  ? security_file_ioctl+0x81/0xa0
[  588.165454][ T9188]  ? tty_get_icount+0xb0/0xb0
[  588.170399][ T9188]  __se_sys_ioctl+0xf8/0x170
[  588.175008][ T9188]  do_syscall_64+0x41/0xc0
[  588.179790][ T9188]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  588.185692][ T9188] RIP: 0033:0x7f68b62c56e9
[  588.190103][ T9188] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  588.210425][ T9188] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  588.219715][ T9188] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  588.227775][ T9188] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  588.235915][ T9188] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  588.243987][ T9188] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  588.251997][ T9188] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  588.260669][ T9188]  </TASK>
[  588.272358][ T9188] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  588.288607][ T9189] CPU: 1 PID: 9189 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  588.298708][ T9189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  588.308874][ T9189] Call Trace:
[  588.312170][ T9189]  <TASK>
[  588.315206][ T9189]  dump_stack_lvl+0x1e7/0x2d0
[  588.319899][ T9189]  ? nf_tcp_handle_invalid+0x650/0x650
[  588.325444][ T9189]  ? panic+0x770/0x770
[  588.329679][ T9189]  sysfs_create_dir_ns+0x2ca/0x390
[  588.334962][ T9189]  ? sysfs_warn_dup+0xa0/0xa0
[  588.339710][ T9189]  kobject_add_internal+0x61d/0xc30
[  588.344897][ T9189]  kobject_add+0x152/0x210
[  588.349467][ T9189]  ? kobject_put+0x3e4/0x430
[  588.354045][ T9189]  ? kobject_init+0x1f0/0x1f0
[  588.358707][ T9189]  ? get_device_parent+0x25d/0x410
[  588.363803][ T9189]  ? device_add+0x30f/0xc90
[  588.368304][ T9189]  device_add+0x449/0xc90
[  588.372624][ T9189]  tty_register_device_attr+0x437/0x960
[  588.378160][ T9189]  ? tty_register_device+0x30/0x30
[  588.383367][ T9189]  ? gsm_dlci_alloc+0x354/0x6e0
[  588.388255][ T9189]  gsm_activate_mux+0xe9/0x290
[  588.393024][ T9189]  gsmld_ioctl+0x1858/0x25b0
[  588.397783][ T9189]  ? tomoyo_path_number_perm+0x663/0x840
[  588.403612][ T9189]  ? gsmld_write+0x120/0x120
[  588.408641][ T9189]  ? __vt_event_wait+0x240/0x240
[  588.413758][ T9189]  ? ldsem_down_read+0xb4/0xe0
[  588.418527][ T9189]  ? gsmld_write+0x120/0x120
[  588.423274][ T9189]  tty_ioctl+0x98c/0xda0
[  588.427550][ T9189]  ? security_file_ioctl+0x81/0xa0
[  588.432657][ T9189]  ? tty_get_icount+0xb0/0xb0
[  588.437328][ T9189]  __se_sys_ioctl+0xf8/0x170
[  588.441929][ T9189]  do_syscall_64+0x41/0xc0
[  588.446449][ T9189]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  588.452352][ T9189] RIP: 0033:0x7f68b62c56e9
[  588.456761][ T9189] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  588.476802][ T9189] RSP: 002b:00007f68b6244238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  588.485585][ T9189] RAX: ffffffffffffffda RBX: 00007f68b634f408 RCX: 00007f68b62c56e9
[  588.493643][ T9189] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  588.501697][ T9189] RBP: 00007f68b634f400 R08: 00007ffe40f6f7f7 R09: 00007f68b62446c0
[  588.509749][ T9189] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68b631c074
[  588.517736][ T9189] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  588.525695][ T9189]  </TASK>
[  588.529351][ T9189] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  588.697930][ T9192] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  588.722439][ T9192] CPU: 1 PID: 9192 Comm: syz-executor669 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
[  588.732838][ T9192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  588.743384][ T9192] Call Trace:
[  588.747857][ T9192]  <TASK>
[  588.751605][ T9192]  dump_stack_lvl+0x1e7/0x2d0
[  588.758523][ T9192]  ? nf_tcp_handle_invalid+0x650/0x650
[  588.764470][ T9192]  ? panic+0x770/0x770
[  588.768594][ T9192]  sysfs_create_dir_ns+0x2ca/0x390
[  588.773746][ T9192]  ? sysfs_warn_dup+0xa0/0xa0
[  588.778875][ T9192]  kobject_add_internal+0x61d/0xc30
[  588.785004][ T9192]  kobject_add+0x152/0x210
[  588.789461][ T9192]  ? kobject_put+0x3e4/0x430
[  588.794266][ T9192]  ? kobject_init+0x1f0/0x1f0
[  588.798995][ T9192]  ? get_device_parent+0x25d/0x410
[  588.804502][ T9192]  ? device_add+0x30f/0xc90
[  588.809337][ T9192]  device_add+0x449/0xc90
[  588.813855][ T9192]  tty_register_device_attr+0x437/0x960
[  588.819449][ T9192]  ? tty_register_device+0x30/0x30
[  588.824688][ T9192]  ? gsm_dlci_alloc+0x354/0x6e0
[  588.829746][ T9192]  gsm_activate_mux+0xe9/0x290
[  588.834557][ T9192]  gsmld_ioctl+0x1858/0x25b0
[  588.839190][ T9192]  ? tomoyo_path_number_perm+0x663/0x840
[  588.844953][ T9192]  ? gsmld_write+0x120/0x120
[  588.849932][ T9192]  ? __vt_event_wait+0x240/0x240
[  588.855000][ T9192]  ? ldsem_down_read+0xb4/0xe0
[  588.859799][ T9192]  ? gsmld_write+0x120/0x120
[  588.864427][ T9192]  tty_ioctl+0x98c/0xda0
[  588.868703][ T9192]  ? security_file_ioctl+0x81/0xa0
[  588.873855][ T9192]  ? tty_get_icount+0xb0/0xb0
[  588.878560][ T9192]  __se_sys_ioctl+0xf8/0x170
[  588.883352][ T9192]  do_syscall_64+0x41/0xc0
[  588.887877][ T9192]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  588.894197][ T9192] RIP: 0033:0x7f68b62c56e9
[  588.898758][ T9192] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  588.919486][ T9192] RSP: 002b:00007f68b6265238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  588.928198][ T9192] RAX: ffffffffffffffda RBX: 00007f68b634f3f8 RCX: 00007f68b62c56e9
[  588.937371][ T9192] RDX: 0000000020000040 RSI: 00000000404c4701 RDI: 0000000000000005
[  588.946061][ T9192] RBP: 00007f68b634f3f0 R08: 00007f68b62656c0 R09: 00007f68b62656c0
[  588.954466][ T9192] R10: 00007f68b62656c0 R11: 0000000000000246 R12: 00007f68b631c074
[  588.962588][ T9192] R13: 000000000000006e R14: 00007ffe40f6f710 R15: 00007ffe40f6f7f8
[  588.971360][ T9192]  </TASK>
[  588.975569][ T9192] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.