[  420.371186][T10311] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  420.374080][T10311] CPU: 0 PID: 10311 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  420.376864][T10311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  420.379522][T10311] Call trace:
[  420.380398][T10311]  dump_backtrace+0x1b8/0x1e4
[  420.381728][T10311]  show_stack+0x2c/0x44
[  420.382873][T10311]  dump_stack_lvl+0xd0/0x124
[  420.384129][T10311]  dump_stack+0x1c/0x28
[  420.385225][T10311]  sysfs_create_dir_ns+0x278/0x318
[  420.386607][T10311]  kobject_add_internal+0x514/0xadc
[  420.387992][T10311]  kobject_add+0x14c/0x224
[  420.389153][T10311]  device_add+0x3a0/0xaac
[  420.390312][T10311]  device_register+0x28/0x38
[  420.391577][T10311]  tty_register_device_attr+0x3a4/0x7d4
[  420.393091][T10311]  tty_register_device+0x3c/0x50
[  420.394452][T10311]  gsm_activate_mux+0xdc/0x268
[  420.395779][T10311]  gsmld_ioctl+0x16f0/0x2310
[  420.396983][T10311]  tty_ioctl+0x924/0xd8c
[  420.398162][T10311]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.399537][T10311]  invoke_syscall+0x98/0x2b8
[  420.400816][T10311]  el0_svc_common+0x130/0x23c
[  420.402116][T10311]  do_el0_svc+0x48/0x58
[  420.403237][T10311]  el0_svc+0x58/0x16c
[  420.404340][T10311]  el0t_64_sync_handler+0x84/0xfc
[  420.405736][T10311]  el0t_64_sync+0x190/0x194
[  420.411745][T10311] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  420.417073][T10311] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  420.424948][T10311] CPU: 1 PID: 10311 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  420.427755][T10311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  420.430470][T10311] Call trace:
[  420.431348][T10311]  dump_backtrace+0x1b8/0x1e4
[  420.432583][T10311]  show_stack+0x2c/0x44
[  420.433709][T10311]  dump_stack_lvl+0xd0/0x124
[  420.434934][T10311]  dump_stack+0x1c/0x28
[  420.436054][T10311]  sysfs_create_dir_ns+0x278/0x318
[  420.437413][T10311]  kobject_add_internal+0x514/0xadc
[  420.438804][T10311]  kobject_add+0x14c/0x224
[  420.439980][T10311]  device_add+0x3a0/0xaac
[  420.441146][T10311]  device_register+0x28/0x38
[  420.442412][T10311]  tty_register_device_attr+0x3a4/0x7d4
[  420.443960][T10311]  tty_register_device+0x3c/0x50
[  420.445274][T10311]  gsm_activate_mux+0xdc/0x268
[  420.446596][T10311]  gsmld_ioctl+0x16f0/0x2310
[  420.447823][T10311]  tty_ioctl+0x924/0xd8c
[  420.448998][T10311]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.450335][T10311]  invoke_syscall+0x98/0x2b8
[  420.451570][T10311]  el0_svc_common+0x130/0x23c
[  420.452852][T10311]  do_el0_svc+0x48/0x58
[  420.453962][T10311]  el0_svc+0x58/0x16c
[  420.455079][T10311]  el0t_64_sync_handler+0x84/0xfc
[  420.456435][T10311]  el0t_64_sync+0x190/0x194
[  420.467630][T10311] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  420.648979][T10314] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  420.651812][T10314] CPU: 0 PID: 10314 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  420.654708][T10314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  420.657426][T10314] Call trace:
[  420.658318][T10314]  dump_backtrace+0x1b8/0x1e4
[  420.659592][T10314]  show_stack+0x2c/0x44
[  420.660757][T10314]  dump_stack_lvl+0xd0/0x124
[  420.662002][T10314]  dump_stack+0x1c/0x28
[  420.663119][T10314]  sysfs_create_dir_ns+0x278/0x318
[  420.664514][T10314]  kobject_add_internal+0x514/0xadc
[  420.665901][T10314]  kobject_add+0x14c/0x224
[  420.667073][T10314]  device_add+0x3a0/0xaac
[  420.668306][T10314]  device_register+0x28/0x38
[  420.669582][T10314]  tty_register_device_attr+0x3a4/0x7d4
[  420.671083][T10314]  tty_register_device+0x3c/0x50
[  420.672442][T10314]  gsm_activate_mux+0xdc/0x268
[  420.673757][T10314]  gsmld_ioctl+0x16f0/0x2310
[  420.675005][T10314]  tty_ioctl+0x924/0xd8c
[  420.676161][T10314]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.677545][T10314]  invoke_syscall+0x98/0x2b8
[  420.678824][T10314]  el0_svc_common+0x130/0x23c
[  420.680089][T10314]  do_el0_svc+0x48/0x58
[  420.681271][T10314]  el0_svc+0x58/0x16c
[  420.682382][T10314]  el0t_64_sync_handler+0x84/0xfc
[  420.683774][T10314]  el0t_64_sync+0x190/0x194
[  420.691610][T10314] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  420.701701][T10315] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  420.703918][T10315] CPU: 1 PID: 10315 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  420.706693][T10315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  420.709410][T10315] Call trace:
[  420.710291][T10315]  dump_backtrace+0x1b8/0x1e4
[  420.711611][T10315]  show_stack+0x2c/0x44
[  420.712759][T10315]  dump_stack_lvl+0xd0/0x124
[  420.714061][T10315]  dump_stack+0x1c/0x28
[  420.715127][T10315]  sysfs_create_dir_ns+0x278/0x318
[  420.716497][T10315]  kobject_add_internal+0x514/0xadc
[  420.717936][T10315]  kobject_add+0x14c/0x224
[  420.719190][T10315]  device_add+0x3a0/0xaac
[  420.720386][T10315]  device_register+0x28/0x38
[  420.721660][T10315]  tty_register_device_attr+0x3a4/0x7d4
[  420.723168][T10315]  tty_register_device+0x3c/0x50
[  420.724512][T10315]  gsm_activate_mux+0xdc/0x268
[  420.725802][T10315]  gsmld_ioctl+0x16f0/0x2310
[  420.727061][T10315]  tty_ioctl+0x924/0xd8c
[  420.728129][T10315]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.729442][T10315]  invoke_syscall+0x98/0x2b8
[  420.730694][T10315]  el0_svc_common+0x130/0x23c
[  420.731943][T10315]  do_el0_svc+0x48/0x58
[  420.733037][T10315]  el0_svc+0x58/0x16c
[  420.734101][T10315]  el0t_64_sync_handler+0x84/0xfc
[  420.735497][T10315]  el0t_64_sync+0x190/0x194
[  420.741659][T10315] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  420.921959][T10318] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  420.928191][T10318] CPU: 1 PID: 10318 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  420.931095][T10318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  420.933786][T10318] Call trace:
[  420.934698][T10318]  dump_backtrace+0x1b8/0x1e4
[  420.936018][T10318]  show_stack+0x2c/0x44
[  420.937131][T10318]  dump_stack_lvl+0xd0/0x124
[  420.938439][T10318]  dump_stack+0x1c/0x28
[  420.939618][T10318]  sysfs_create_dir_ns+0x278/0x318
[  420.941000][T10318]  kobject_add_internal+0x514/0xadc
[  420.942427][T10318]  kobject_add+0x14c/0x224
[  420.943658][T10318]  device_add+0x3a0/0xaac
[  420.944856][T10318]  device_register+0x28/0x38
[  420.946099][T10318]  tty_register_device_attr+0x3a4/0x7d4
[  420.947619][T10318]  tty_register_device+0x3c/0x50
[  420.948953][T10318]  gsm_activate_mux+0xdc/0x268
[  420.950251][T10318]  gsmld_ioctl+0x16f0/0x2310
[  420.951512][T10318]  tty_ioctl+0x924/0xd8c
[  420.952729][T10318]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.954090][T10318]  invoke_syscall+0x98/0x2b8
[  420.955390][T10318]  el0_svc_common+0x130/0x23c
[  420.956696][T10318]  do_el0_svc+0x48/0x58
[  420.957846][T10318]  el0_svc+0x58/0x16c
[  420.958994][T10318]  el0t_64_sync_handler+0x84/0xfc
[  420.960397][T10318]  el0t_64_sync+0x190/0x194
[  420.967827][T10318] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  421.199019][T10321] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  421.203137][T10321] CPU: 1 PID: 10321 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  421.205815][T10321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  421.208471][T10321] Call trace:
[  421.209334][T10321]  dump_backtrace+0x1b8/0x1e4
[  421.210587][T10321]  show_stack+0x2c/0x44
[  421.211724][T10321]  dump_stack_lvl+0xd0/0x124
[  421.212956][T10321]  dump_stack+0x1c/0x28
[  421.214072][T10321]  sysfs_create_dir_ns+0x278/0x318
[  421.215458][T10321]  kobject_add_internal+0x514/0xadc
[  421.216829][T10321]  kobject_add+0x14c/0x224
[  421.217988][T10321]  device_add+0x3a0/0xaac
[  421.219101][T10321]  device_register+0x28/0x38
[  421.220354][T10321]  tty_register_device_attr+0x3a4/0x7d4
[  421.221848][T10321]  tty_register_device+0x3c/0x50
[  421.223232][T10321]  gsm_activate_mux+0xdc/0x268
[  421.224513][T10321]  gsmld_ioctl+0x16f0/0x2310
[  421.225762][T10321]  tty_ioctl+0x924/0xd8c
[  421.226936][T10321]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.228250][T10321]  invoke_syscall+0x98/0x2b8
[  421.229511][T10321]  el0_svc_common+0x130/0x23c
[  421.230757][T10321]  do_el0_svc+0x48/0x58
[  421.231927][T10321]  el0_svc+0x58/0x16c
[  421.233002][T10321]  el0t_64_sync_handler+0x84/0xfc
[  421.234308][T10321]  el0t_64_sync+0x190/0x194
[  421.237519][T10321] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  421.466216][T10324] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  421.468465][T10324] CPU: 0 PID: 10324 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  421.471379][T10324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  421.474180][T10324] Call trace:
[  421.475080][T10324]  dump_backtrace+0x1b8/0x1e4
[  421.476366][T10324]  show_stack+0x2c/0x44
[  421.477532][T10324]  dump_stack_lvl+0xd0/0x124
[  421.478967][T10324]  dump_stack+0x1c/0x28
[  421.480150][T10324]  sysfs_create_dir_ns+0x278/0x318
[  421.481529][T10324]  kobject_add_internal+0x514/0xadc
[  421.483026][T10324]  kobject_add+0x14c/0x224
[  421.484275][T10324]  device_add+0x3a0/0xaac
[  421.485509][T10324]  device_register+0x28/0x38
[  421.486769][T10324]  tty_register_device_attr+0x3a4/0x7d4
[  421.488339][T10324]  tty_register_device+0x3c/0x50
[  421.489665][T10324]  gsm_activate_mux+0xdc/0x268
[  421.490919][T10324]  gsmld_ioctl+0x16f0/0x2310
[  421.492239][T10324]  tty_ioctl+0x924/0xd8c
[  421.493368][T10324]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.494759][T10324]  invoke_syscall+0x98/0x2b8
[  421.496057][T10324]  el0_svc_common+0x130/0x23c
[  421.497391][T10324]  do_el0_svc+0x48/0x58
[  421.498525][T10324]  el0_svc+0x58/0x16c
[  421.499657][T10324]  el0t_64_sync_handler+0x84/0xfc
[  421.501049][T10324]  el0t_64_sync+0x190/0x194
[  421.506504][T10324] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  421.722622][T10327] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  421.724856][T10327] CPU: 0 PID: 10327 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  421.727692][T10327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  421.730416][T10327] Call trace:
[  421.731270][T10327]  dump_backtrace+0x1b8/0x1e4
[  421.732518][T10327]  show_stack+0x2c/0x44
[  421.733675][T10327]  dump_stack_lvl+0xd0/0x124
[  421.734912][T10327]  dump_stack+0x1c/0x28
[  421.735998][T10327]  sysfs_create_dir_ns+0x278/0x318
[  421.737369][T10327]  kobject_add_internal+0x514/0xadc
[  421.738788][T10327]  kobject_add+0x14c/0x224
[  421.739991][T10327]  device_add+0x3a0/0xaac
[  421.741160][T10327]  device_register+0x28/0x38
[  421.742287][T10327]  tty_register_device_attr+0x3a4/0x7d4
[  421.743751][T10327]  tty_register_device+0x3c/0x50
[  421.745132][T10327]  gsm_activate_mux+0xdc/0x268
[  421.746387][T10327]  gsmld_ioctl+0x16f0/0x2310
[  421.747681][T10327]  tty_ioctl+0x924/0xd8c
[  421.748822][T10327]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.750178][T10327]  invoke_syscall+0x98/0x2b8
[  421.751425][T10327]  el0_svc_common+0x130/0x23c
[  421.752709][T10327]  do_el0_svc+0x48/0x58
[  421.753790][T10327]  el0_svc+0x58/0x16c
[  421.754857][T10327]  el0t_64_sync_handler+0x84/0xfc
[  421.756140][T10327]  el0t_64_sync+0x190/0x194
[  421.764250][T10327] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  422.160696][T10330] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  422.163101][T10330] CPU: 0 PID: 10330 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  422.165774][T10330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  422.168467][T10330] Call trace:
[  422.169337][T10330]  dump_backtrace+0x1b8/0x1e4
[  422.170586][T10330]  show_stack+0x2c/0x44
[  422.171763][T10330]  dump_stack_lvl+0xd0/0x124
[  422.173014][T10330]  dump_stack+0x1c/0x28
[  422.174109][T10330]  sysfs_create_dir_ns+0x278/0x318
[  422.175453][T10330]  kobject_add_internal+0x514/0xadc
[  422.176810][T10330]  kobject_add+0x14c/0x224
[  422.177977][T10330]  device_add+0x3a0/0xaac
[  422.179170][T10330]  device_register+0x28/0x38
[  422.180402][T10330]  tty_register_device_attr+0x3a4/0x7d4
[  422.181859][T10330]  tty_register_device+0x3c/0x50
[  422.183225][T10330]  gsm_activate_mux+0xdc/0x268
[  422.184520][T10330]  gsmld_ioctl+0x16f0/0x2310
[  422.185809][T10330]  tty_ioctl+0x924/0xd8c
[  422.186946][T10330]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.188253][T10330]  invoke_syscall+0x98/0x2b8
[  422.189508][T10330]  el0_svc_common+0x130/0x23c
[  422.190811][T10330]  do_el0_svc+0x48/0x58
[  422.191948][T10330]  el0_svc+0x58/0x16c
[  422.193071][T10330]  el0t_64_sync_handler+0x84/0xfc
[  422.194383][T10330]  el0t_64_sync+0x190/0x194
[  422.215352][T10330] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  422.953632][  T480] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  423.013519][  T480] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  423.080248][  T480] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  423.122190][  T480] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  424.564017][  T480] hsr_slave_0: left promiscuous mode
[  424.595840][  T480] hsr_slave_1: left promiscuous mode
[  424.695845][  T480] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  424.697854][  T480] batman_adv: batadv0: Removing interface: batadv_slave_0
[  424.701880][  T480] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  424.703695][  T480] batman_adv: batadv0: Removing interface: batadv_slave_1
[  424.707700][  T480] bridge_slave_1: left allmulticast mode
[  424.709199][  T480] bridge_slave_1: left promiscuous mode
[  424.710650][  T480] bridge0: port 2(bridge_slave_1) entered disabled state
[  424.746943][  T480] bridge_slave_0: left allmulticast mode
[  424.748454][  T480] bridge_slave_0: left promiscuous mode
[  424.749978][  T480] bridge0: port 1(bridge_slave_0) entered disabled state
[  424.865829][  T480] veth1_macvtap: left promiscuous mode
[  424.867237][  T480] veth0_macvtap: left promiscuous mode
[  424.868701][  T480] veth1_vlan: left promiscuous mode
[  424.870173][  T480] veth0_vlan: left promiscuous mode
[  425.005311][  T480] team0 (unregistering): Port device team_slave_1 removed
[  425.012222][  T480] team0 (unregistering): Port device team_slave_0 removed
[  425.018960][  T480] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  425.071024][  T480] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  425.202188][  T480] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.10.60' (ED25519) to the list of known hosts.
[  425.734608][T10448] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  425.740664][T10448] CPU: 0 PID: 10448 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  425.743648][T10448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  425.746425][T10448] Call trace:
[  425.747325][T10448]  dump_backtrace+0x1b8/0x1e4
[  425.748652][T10448]  show_stack+0x2c/0x44
[  425.749785][T10448]  dump_stack_lvl+0xd0/0x124
[  425.751052][T10448]  dump_stack+0x1c/0x28
[  425.752214][T10448]  sysfs_create_dir_ns+0x278/0x318
[  425.753603][T10448]  kobject_add_internal+0x514/0xadc
[  425.755056][T10448]  kobject_add+0x14c/0x224
[  425.756296][T10448]  device_add+0x3a0/0xaac
[  425.757490][T10448]  device_register+0x28/0x38
[  425.758756][T10448]  tty_register_device_attr+0x3a4/0x7d4
[  425.760260][T10448]  tty_register_device+0x3c/0x50
[  425.761577][T10448]  gsm_activate_mux+0xdc/0x268
[  425.762918][T10448]  gsmld_ioctl+0x16f0/0x2310
[  425.764171][T10448]  tty_ioctl+0x924/0xd8c
[  425.765349][T10448]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.766663][T10448]  invoke_syscall+0x98/0x2b8
[  425.767910][T10448]  el0_svc_common+0x130/0x23c
[  425.769180][T10448]  do_el0_svc+0x48/0x58
[  425.770314][T10448]  el0_svc+0x58/0x16c
[  425.771425][T10448]  el0t_64_sync_handler+0x84/0xfc
[  425.772848][T10448]  el0t_64_sync+0x190/0x194
[  425.783728][T10448] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  425.791370][T10448] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  425.793660][T10448] CPU: 0 PID: 10448 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  425.796582][T10448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  425.799249][T10448] Call trace:
[  425.800152][T10448]  dump_backtrace+0x1b8/0x1e4
[  425.801469][T10448]  show_stack+0x2c/0x44
[  425.802637][T10448]  dump_stack_lvl+0xd0/0x124
[  425.803907][T10448]  dump_stack+0x1c/0x28
[  425.805040][T10448]  sysfs_create_dir_ns+0x278/0x318
[  425.806413][T10448]  kobject_add_internal+0x514/0xadc
[  425.807914][T10448]  kobject_add+0x14c/0x224
[  425.809116][T10448]  device_add+0x3a0/0xaac
[  425.810311][T10448]  device_register+0x28/0x38
[  425.811544][T10448]  tty_register_device_attr+0x3a4/0x7d4
[  425.813083][T10448]  tty_register_device+0x3c/0x50
[  425.814415][T10448]  gsm_activate_mux+0xdc/0x268
[  425.815733][T10448]  gsmld_ioctl+0x16f0/0x2310
[  425.817007][T10448]  tty_ioctl+0x924/0xd8c
[  425.818172][T10448]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.819502][T10448]  invoke_syscall+0x98/0x2b8
[  425.820805][T10448]  el0_svc_common+0x130/0x23c
[  425.822105][T10448]  do_el0_svc+0x48/0x58
[  425.823304][T10448]  el0_svc+0x58/0x16c
[  425.824392][T10448]  el0t_64_sync_handler+0x84/0xfc
[  425.825799][T10448]  el0t_64_sync+0x190/0x194
[  425.845016][T10448] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  426.107030][T10461] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  426.109311][T10461] CPU: 0 PID: 10461 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  426.112014][T10461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  426.114579][T10461] Call trace:
[  426.115408][T10461]  dump_backtrace+0x1b8/0x1e4
[  426.116625][T10461]  show_stack+0x2c/0x44
[  426.117704][T10461]  dump_stack_lvl+0xd0/0x124
[  426.118925][T10461]  dump_stack+0x1c/0x28
[  426.120039][T10461]  sysfs_create_dir_ns+0x278/0x318
[  426.121392][T10461]  kobject_add_internal+0x514/0xadc
[  426.122722][T10461]  kobject_add+0x14c/0x224
[  426.123868][T10461]  device_add+0x3a0/0xaac
[  426.125027][T10461]  device_register+0x28/0x38
[  426.126245][T10461]  tty_register_device_attr+0x3a4/0x7d4
[  426.127723][T10461]  tty_register_device+0x3c/0x50
[  426.129016][T10461]  gsm_activate_mux+0xdc/0x268
[  426.130354][T10461]  gsmld_ioctl+0x16f0/0x2310
[  426.131595][T10461]  tty_ioctl+0x924/0xd8c
[  426.132755][T10461]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.134015][T10461]  invoke_syscall+0x98/0x2b8
[  426.135268][T10461]  el0_svc_common+0x130/0x23c
[  426.136494][T10461]  do_el0_svc+0x48/0x58
[  426.137586][T10461]  el0_svc+0x58/0x16c
[  426.138647][T10461]  el0t_64_sync_handler+0x84/0xfc
[  426.139982][T10461]  el0t_64_sync+0x190/0x194
[  426.149103][T10461] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  426.465855][T10466] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  426.468139][T10466] CPU: 0 PID: 10466 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  426.470970][T10466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  426.473489][T10466] Call trace:
[  426.474307][T10466]  dump_backtrace+0x1b8/0x1e4
[  426.475474][T10466]  show_stack+0x2c/0x44
[  426.476615][T10466]  dump_stack_lvl+0xd0/0x124
[  426.477827][T10466]  dump_stack+0x1c/0x28
[  426.478934][T10466]  sysfs_create_dir_ns+0x278/0x318
[  426.480326][T10466]  kobject_add_internal+0x514/0xadc
[  426.481729][T10466]  kobject_add+0x14c/0x224
[  426.482938][T10466]  device_add+0x3a0/0xaac
[  426.484094][T10466]  device_register+0x28/0x38
[  426.485351][T10466]  tty_register_device_attr+0x3a4/0x7d4
[  426.486872][T10466]  tty_register_device+0x3c/0x50
[  426.488286][T10466]  gsm_activate_mux+0xdc/0x268
[  426.489589][T10466]  gsmld_ioctl+0x16f0/0x2310
[  426.490789][T10466]  tty_ioctl+0x924/0xd8c
[  426.491896][T10466]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.493276][T10466]  invoke_syscall+0x98/0x2b8
[  426.494522][T10466]  el0_svc_common+0x130/0x23c
[  426.495824][T10466]  do_el0_svc+0x48/0x58
[  426.496953][T10466]  el0_svc+0x58/0x16c
[  426.498014][T10466]  el0t_64_sync_handler+0x84/0xfc
[  426.499375][T10466]  el0t_64_sync+0x190/0x194
[  426.555665][T10466] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  426.776515][T10469] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  426.778822][T10469] CPU: 1 PID: 10469 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  426.781509][T10469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  426.784119][T10469] Call trace:
[  426.785007][T10469]  dump_backtrace+0x1b8/0x1e4
[  426.786294][T10469]  show_stack+0x2c/0x44
[  426.787396][T10469]  dump_stack_lvl+0xd0/0x124
[  426.788649][T10469]  dump_stack+0x1c/0x28
[  426.789762][T10469]  sysfs_create_dir_ns+0x278/0x318
[  426.791160][T10469]  kobject_add_internal+0x514/0xadc
[  426.792583][T10469]  kobject_add+0x14c/0x224
[  426.793758][T10469]  device_add+0x3a0/0xaac
[  426.794965][T10469]  device_register+0x28/0x38
[  426.796179][T10469]  tty_register_device_attr+0x3a4/0x7d4
[  426.797721][T10469]  tty_register_device+0x3c/0x50
[  426.799056][T10469]  gsm_activate_mux+0xdc/0x268
[  426.800323][T10469]  gsmld_ioctl+0x16f0/0x2310
[  426.801549][T10469]  tty_ioctl+0x924/0xd8c
[  426.802743][T10469]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.804097][T10469]  invoke_syscall+0x98/0x2b8
[  426.805296][T10469]  el0_svc_common+0x130/0x23c
[  426.806627][T10469]  do_el0_svc+0x48/0x58
[  426.807746][T10469]  el0_svc+0x58/0x16c
[  426.808840][T10469]  el0t_64_sync_handler+0x84/0xfc
[  426.810225][T10469]  el0t_64_sync+0x190/0x194
[  426.875652][T10469] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  427.168938][T10473] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  427.171298][T10473] CPU: 1 PID: 10473 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  427.174115][T10473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  427.176865][T10473] Call trace:
[  427.177748][T10473]  dump_backtrace+0x1b8/0x1e4
[  427.178995][T10473]  show_stack+0x2c/0x44
[  427.180116][T10473]  dump_stack_lvl+0xd0/0x124
[  427.181360][T10473]  dump_stack+0x1c/0x28
[  427.182486][T10473]  sysfs_create_dir_ns+0x278/0x318
[  427.183842][T10473]  kobject_add_internal+0x514/0xadc
[  427.185221][T10473]  kobject_add+0x14c/0x224
[  427.186427][T10473]  device_add+0x3a0/0xaac
[  427.187625][T10473]  device_register+0x28/0x38
[  427.188845][T10473]  tty_register_device_attr+0x3a4/0x7d4
[  427.190321][T10473]  tty_register_device+0x3c/0x50
[  427.191675][T10473]  gsm_activate_mux+0xdc/0x268
[  427.192940][T10473]  gsmld_ioctl+0x16f0/0x2310
[  427.194174][T10473]  tty_ioctl+0x924/0xd8c
[  427.195295][T10473]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.196652][T10473]  invoke_syscall+0x98/0x2b8
[  427.197870][T10473]  el0_svc_common+0x130/0x23c
[  427.199107][T10473]  do_el0_svc+0x48/0x58
[  427.200208][T10473]  el0_svc+0x58/0x16c
[  427.201291][T10473]  el0t_64_sync_handler+0x84/0xfc
[  427.202676][T10473]  el0t_64_sync+0x190/0x194
[  427.222076][T10473] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  427.586347][T10475] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  427.588868][T10475] CPU: 0 PID: 10475 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  427.591753][T10475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  427.594481][T10475] Call trace:
[  427.595382][T10475]  dump_backtrace+0x1b8/0x1e4
[  427.596652][T10475]  show_stack+0x2c/0x44
[  427.597788][T10475]  dump_stack_lvl+0xd0/0x124
[  427.598982][T10475]  dump_stack+0x1c/0x28
[  427.600129][T10475]  sysfs_create_dir_ns+0x278/0x318
[  427.601499][T10475]  kobject_add_internal+0x514/0xadc
[  427.602884][T10475]  kobject_add+0x14c/0x224
[  427.604116][T10475]  device_add+0x3a0/0xaac
[  427.605310][T10475]  device_register+0x28/0x38
[  427.606578][T10475]  tty_register_device_attr+0x3a4/0x7d4
[  427.608149][T10475]  tty_register_device+0x3c/0x50
[  427.609514][T10475]  gsm_activate_mux+0xdc/0x268
[  427.610806][T10475]  gsmld_ioctl+0x16f0/0x2310
[  427.612057][T10475]  tty_ioctl+0x924/0xd8c
[  427.613148][T10475]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.614455][T10475]  invoke_syscall+0x98/0x2b8
[  427.615732][T10475]  el0_svc_common+0x130/0x23c
[  427.617018][T10475]  do_el0_svc+0x48/0x58
[  427.618173][T10475]  el0_svc+0x58/0x16c
[  427.619282][T10475]  el0t_64_sync_handler+0x84/0xfc
[  427.620665][T10475]  el0t_64_sync+0x190/0x194
[  427.627470][T10475] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  427.911459][T10482] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  427.915987][T10482] CPU: 0 PID: 10482 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  427.918729][T10482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  427.921474][T10482] Call trace:
[  427.922379][T10482]  dump_backtrace+0x1b8/0x1e4
[  427.923691][T10482]  show_stack+0x2c/0x44
[  427.924860][T10482]  dump_stack_lvl+0xd0/0x124
[  427.926136][T10482]  dump_stack+0x1c/0x28
[  427.927238][T10482]  sysfs_create_dir_ns+0x278/0x318
[  427.928668][T10482]  kobject_add_internal+0x514/0xadc
[  427.930045][T10482]  kobject_add+0x14c/0x224
[  427.931298][T10482]  device_add+0x3a0/0xaac
[  427.932463][T10482]  device_register+0x28/0x38
[  427.933716][T10482]  tty_register_device_attr+0x3a4/0x7d4
[  427.935197][T10482]  tty_register_device+0x3c/0x50
[  427.936508][T10482]  gsm_activate_mux+0xdc/0x268
[  427.937863][T10482]  gsmld_ioctl+0x16f0/0x2310
[  427.939131][T10482]  tty_ioctl+0x924/0xd8c
[  427.940277][T10482]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.941637][T10482]  invoke_syscall+0x98/0x2b8
[  427.942884][T10482]  el0_svc_common+0x130/0x23c
[  427.944126][T10482]  do_el0_svc+0x48/0x58
[  427.945237][T10482]  el0_svc+0x58/0x16c
[  427.946393][T10482]  el0t_64_sync_handler+0x84/0xfc
[  427.947750][T10482]  el0t_64_sync+0x190/0x194
[  427.952477][T10482] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  427.957359][T10482] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  427.959961][T10482] CPU: 0 PID: 10482 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  427.962844][T10482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  427.965496][T10482] Call trace:
[  427.966368][T10482]  dump_backtrace+0x1b8/0x1e4
[  427.967678][T10482]  show_stack+0x2c/0x44
[  427.968814][T10482]  dump_stack_lvl+0xd0/0x124
[  427.970029][T10482]  dump_stack+0x1c/0x28
[  427.971190][T10482]  sysfs_create_dir_ns+0x278/0x318
[  427.972613][T10482]  kobject_add_internal+0x514/0xadc
[  427.973990][T10482]  kobject_add+0x14c/0x224
[  427.975238][T10482]  device_add+0x3a0/0xaac
[  427.976411][T10482]  device_register+0x28/0x38
[  427.977680][T10482]  tty_register_device_attr+0x3a4/0x7d4
[  427.979187][T10482]  tty_register_device+0x3c/0x50
[  427.980597][T10482]  gsm_activate_mux+0xdc/0x268
[  427.981916][T10482]  gsmld_ioctl+0x16f0/0x2310
[  427.983175][T10482]  tty_ioctl+0x924/0xd8c
[  427.984347][T10482]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.985714][T10482]  invoke_syscall+0x98/0x2b8
[  427.987003][T10482]  el0_svc_common+0x130/0x23c
[  427.988311][T10482]  do_el0_svc+0x48/0x58
[  427.989413][T10482]  el0_svc+0x58/0x16c
[  427.990516][T10482]  el0t_64_sync_handler+0x84/0xfc
[  427.991917][T10482]  el0t_64_sync+0x190/0x194
[  427.999931][T10482] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  428.191526][T10485] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  428.195767][T10485] CPU: 1 PID: 10485 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  428.198599][T10485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  428.201231][T10485] Call trace:
[  428.202075][T10485]  dump_backtrace+0x1b8/0x1e4
[  428.203356][T10485]  show_stack+0x2c/0x44
[  428.204455][T10485]  dump_stack_lvl+0xd0/0x124
[  428.205782][T10485]  dump_stack+0x1c/0x28
[  428.207006][T10485]  sysfs_create_dir_ns+0x278/0x318
[  428.208412][T10485]  kobject_add_internal+0x514/0xadc
[  428.209832][T10485]  kobject_add+0x14c/0x224
[  428.211024][T10485]  device_add+0x3a0/0xaac
[  428.212206][T10485]  device_register+0x28/0x38
[  428.213479][T10485]  tty_register_device_attr+0x3a4/0x7d4
[  428.215006][T10485]  tty_register_device+0x3c/0x50
[  428.216351][T10485]  gsm_activate_mux+0xdc/0x268
[  428.217719][T10485]  gsmld_ioctl+0x16f0/0x2310
[  428.218987][T10485]  tty_ioctl+0x924/0xd8c
[  428.220138][T10485]  __arm64_sys_ioctl+0x14c/0x1c8
[  428.221475][T10485]  invoke_syscall+0x98/0x2b8
[  428.222710][T10485]  el0_svc_common+0x130/0x23c
[  428.223980][T10485]  do_el0_svc+0x48/0x58
[  428.225130][T10485]  el0_svc+0x58/0x16c
[  428.226251][T10485]  el0t_64_sync_handler+0x84/0xfc
[  428.227644][T10485]  el0t_64_sync+0x190/0x194
[  428.233656][T10485] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  428.428180][T10488] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  428.434247][T10488] CPU: 0 PID: 10488 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  428.437098][T10488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  428.439941][T10488] Call trace:
[  428.440852][T10488]  dump_backtrace+0x1b8/0x1e4
[  428.442101][T10488]  show_stack+0x2c/0x44
[  428.443224][T10488]  dump_stack_lvl+0xd0/0x124
[  428.444421][T10488]  dump_stack+0x1c/0x28
[  428.445615][T10488]  sysfs_create_dir_ns+0x278/0x318
[  428.446974][T10488]  kobject_add_internal+0x514/0xadc
[  428.448440][T10488]  kobject_add+0x14c/0x224
[  428.449683][T10488]  device_add+0x3a0/0xaac
[  428.450877][T10488]  device_register+0x28/0x38
[  428.452117][T10488]  tty_register_device_attr+0x3a4/0x7d4
[  428.453645][T10488]  tty_register_device+0x3c/0x50
[  428.455003][T10488]  gsm_activate_mux+0xdc/0x268
[  428.456340][T10488]  gsmld_ioctl+0x16f0/0x2310
[  428.457576][T10488]  tty_ioctl+0x924/0xd8c
[  428.458756][T10488]  __arm64_sys_ioctl+0x14c/0x1c8
[  428.460125][T10488]  invoke_syscall+0x98/0x2b8
[  428.461340][T10488]  el0_svc_common+0x130/0x23c
[  428.462657][T10488]  do_el0_svc+0x48/0x58
[  428.463791][T10488]  el0_svc+0x58/0x16c
[  428.464917][T10488]  el0t_64_sync_handler+0x84/0xfc
[  428.466259][T10488]  el0t_64_sync+0x190/0x194
[  428.468595][T10488] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  428.691263][T10491] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  428.697176][T10491] CPU: 0 PID: 10491 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  428.700006][T10491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  428.702743][T10491] Call trace:
[  428.703616][T10491]  dump_backtrace+0x1b8/0x1e4
[  428.704841][T10491]  show_stack+0x2c/0x44
[  428.705954][T10491]  dump_stack_lvl+0xd0/0x124
[  428.707271][T10491]  dump_stack+0x1c/0x28
[  428.708435][T10491]  sysfs_create_dir_ns+0x278/0x318
[  428.709865][T10491]  kobject_add_internal+0x514/0xadc
[  428.711242][T10491]  kobject_add+0x14c/0x224
[  428.712398][T10491]  device_add+0x3a0/0xaac
[  428.713529][T10491]  device_register+0x28/0x38
[  428.714745][T10491]  tty_register_device_attr+0x3a4/0x7d4
[  428.716220][T10491]  tty_register_device+0x3c/0x50
[  428.717637][T10491]  gsm_activate_mux+0xdc/0x268
[  428.718919][T10491]  gsmld_ioctl+0x16f0/0x2310
[  428.720175][T10491]  tty_ioctl+0x924/0xd8c
[  428.721280][T10491]  __arm64_sys_ioctl+0x14c/0x1c8
[  428.722549][T10491]  invoke_syscall+0x98/0x2b8
[  428.723763][T10491]  el0_svc_common+0x130/0x23c
[  428.725028][T10491]  do_el0_svc+0x48/0x58
[  428.726153][T10491]  el0_svc+0x58/0x16c
[  428.727235][T10491]  el0t_64_sync_handler+0x84/0xfc
[  428.728645][T10491]  el0t_64_sync+0x190/0x194
[  428.756349][T10491] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  429.105119][T10494] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  429.108016][T10494] CPU: 1 PID: 10494 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  429.110973][T10494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  429.113697][T10494] Call trace:
[  429.114625][T10494]  dump_backtrace+0x1b8/0x1e4
[  429.115931][T10494]  show_stack+0x2c/0x44
[  429.117112][T10494]  dump_stack_lvl+0xd0/0x124
[  429.118392][T10494]  dump_stack+0x1c/0x28
[  429.119580][T10494]  sysfs_create_dir_ns+0x278/0x318
[  429.121005][T10494]  kobject_add_internal+0x514/0xadc
[  429.122405][T10494]  kobject_add+0x14c/0x224
[  429.123727][T10494]  device_add+0x3a0/0xaac
[  429.124951][T10494]  device_register+0x28/0x38
[  429.126220][T10494]  tty_register_device_attr+0x3a4/0x7d4
[  429.127756][T10494]  tty_register_device+0x3c/0x50
[  429.129163][T10494]  gsm_activate_mux+0xdc/0x268
[  429.130529][T10494]  gsmld_ioctl+0x16f0/0x2310
[  429.131763][T10494]  tty_ioctl+0x924/0xd8c
[  429.132959][T10494]  __arm64_sys_ioctl+0x14c/0x1c8
[  429.134346][T10494]  invoke_syscall+0x98/0x2b8
[  429.135707][T10494]  el0_svc_common+0x130/0x23c
[  429.137046][T10494]  do_el0_svc+0x48/0x58
[  429.138218][T10494]  el0_svc+0x58/0x16c
[  429.139340][T10494]  el0t_64_sync_handler+0x84/0xfc
[  429.140699][T10494]  el0t_64_sync+0x190/0x194
[  429.145378][T10494] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  429.403159][T10497] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  429.405314][T10497] CPU: 1 PID: 10497 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  429.408093][T10497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  429.410840][T10497] Call trace:
[  429.411749][T10497]  dump_backtrace+0x1b8/0x1e4
[  429.413079][T10497]  show_stack+0x2c/0x44
[  429.414235][T10497]  dump_stack_lvl+0xd0/0x124
[  429.415481][T10497]  dump_stack+0x1c/0x28
[  429.416642][T10497]  sysfs_create_dir_ns+0x278/0x318
[  429.417973][T10497]  kobject_add_internal+0x514/0xadc
[  429.419428][T10497]  kobject_add+0x14c/0x224
[  429.420638][T10497]  device_add+0x3a0/0xaac
[  429.421878][T10497]  device_register+0x28/0x38
[  429.423181][T10497]  tty_register_device_attr+0x3a4/0x7d4
[  429.424754][T10497]  tty_register_device+0x3c/0x50
[  429.426054][T10497]  gsm_activate_mux+0xdc/0x268
[  429.427268][T10497]  gsmld_ioctl+0x16f0/0x2310
[  429.428482][T10497]  tty_ioctl+0x924/0xd8c
[  429.429651][T10497]  __arm64_sys_ioctl+0x14c/0x1c8
[  429.431004][T10497]  invoke_syscall+0x98/0x2b8
[  429.432304][T10497]  el0_svc_common+0x130/0x23c
[  429.433598][T10497]  do_el0_svc+0x48/0x58
[  429.434729][T10497]  el0_svc+0x58/0x16c
[  429.435765][T10497]  el0t_64_sync_handler+0x84/0xfc
[  429.437147][T10497]  el0t_64_sync+0x190/0x194
[  429.440491][T10497] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  429.444693][T10497] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  429.448073][T10497] CPU: 1 PID: 10497 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  429.450965][T10497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  429.453804][T10497] Call trace:
[  429.454743][T10497]  dump_backtrace+0x1b8/0x1e4
[  429.456080][T10497]  show_stack+0x2c/0x44
[  429.457221][T10497]  dump_stack_lvl+0xd0/0x124
[  429.458526][T10497]  dump_stack+0x1c/0x28
[  429.459697][T10497]  sysfs_create_dir_ns+0x278/0x318
[  429.461125][T10497]  kobject_add_internal+0x514/0xadc
[  429.462542][T10497]  kobject_add+0x14c/0x224
[  429.463770][T10497]  device_add+0x3a0/0xaac
[  429.464968][T10497]  device_register+0x28/0x38
[  429.466223][T10497]  tty_register_device_attr+0x3a4/0x7d4
[  429.467783][T10497]  tty_register_device+0x3c/0x50
[  429.469119][T10497]  gsm_activate_mux+0xdc/0x268
[  429.470414][T10497]  gsmld_ioctl+0x16f0/0x2310
[  429.471686][T10497]  tty_ioctl+0x924/0xd8c
[  429.472841][T10497]  __arm64_sys_ioctl+0x14c/0x1c8
[  429.474212][T10497]  invoke_syscall+0x98/0x2b8
[  429.475492][T10497]  el0_svc_common+0x130/0x23c
[  429.476787][T10497]  do_el0_svc+0x48/0x58
[  429.477924][T10497]  el0_svc+0x58/0x16c
[  429.479005][T10497]  el0t_64_sync_handler+0x84/0xfc
[  429.480401][T10497]  el0t_64_sync+0x190/0x194
[  429.483501][T10497] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  429.669017][T10500] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  429.671861][T10500] CPU: 0 PID: 10500 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  429.674715][T10500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  429.677483][T10500] Call trace:
[  429.678328][T10500]  dump_backtrace+0x1b8/0x1e4
[  429.679627][T10500]  show_stack+0x2c/0x44
[  429.680711][T10500]  dump_stack_lvl+0xd0/0x124
[  429.681947][T10500]  dump_stack+0x1c/0x28
[  429.683045][T10500]  sysfs_create_dir_ns+0x278/0x318
[  429.684379][T10500]  kobject_add_internal+0x514/0xadc
[  429.685815][T10500]  kobject_add+0x14c/0x224
[  429.686970][T10500]  device_add+0x3a0/0xaac
[  429.688132][T10500]  device_register+0x28/0x38
[  429.689368][T10500]  tty_register_device_attr+0x3a4/0x7d4
[  429.690809][T10500]  tty_register_device+0x3c/0x50
[  429.692161][T10500]  gsm_activate_mux+0xdc/0x268
[  429.693419][T10500]  gsmld_ioctl+0x16f0/0x2310
[  429.694667][T10500]  tty_ioctl+0x924/0xd8c
[  429.695751][T10500]  __arm64_sys_ioctl+0x14c/0x1c8
[  429.697062][T10500]  invoke_syscall+0x98/0x2b8
[  429.698285][T10500]  el0_svc_common+0x130/0x23c
[  429.699572][T10500]  do_el0_svc+0x48/0x58
[  429.700718][T10500]  el0_svc+0x58/0x16c
[  429.701775][T10500]  el0t_64_sync_handler+0x84/0xfc
[  429.703097][T10500]  el0t_64_sync+0x190/0x194
[  429.709709][T10500] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  430.074330][T10503] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  430.078412][T10503] CPU: 1 PID: 10503 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  430.081328][T10503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  430.084052][T10503] Call trace:
[  430.084942][T10503]  dump_backtrace+0x1b8/0x1e4
[  430.086196][T10503]  show_stack+0x2c/0x44
[  430.087277][T10503]  dump_stack_lvl+0xd0/0x124
[  430.088575][T10503]  dump_stack+0x1c/0x28
[  430.089727][T10503]  sysfs_create_dir_ns+0x278/0x318
[  430.091142][T10503]  kobject_add_internal+0x514/0xadc
[  430.092546][T10503]  kobject_add+0x14c/0x224
[  430.093772][T10503]  device_add+0x3a0/0xaac
[  430.095003][T10503]  device_register+0x28/0x38
[  430.096258][T10503]  tty_register_device_attr+0x3a4/0x7d4
[  430.097797][T10503]  tty_register_device+0x3c/0x50
[  430.099164][T10503]  gsm_activate_mux+0xdc/0x268
[  430.100485][T10503]  gsmld_ioctl+0x16f0/0x2310
[  430.101735][T10503]  tty_ioctl+0x924/0xd8c
[  430.102886][T10503]  __arm64_sys_ioctl+0x14c/0x1c8
[  430.104257][T10503]  invoke_syscall+0x98/0x2b8
[  430.105470][T10503]  el0_svc_common+0x130/0x23c
[  430.106711][T10503]  do_el0_svc+0x48/0x58
[  430.107889][T10503]  el0_svc+0x58/0x16c
[  430.108989][T10503]  el0t_64_sync_handler+0x84/0xfc
[  430.110351][T10503]  el0t_64_sync+0x190/0x194
[  430.127971][T10503] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  430.529415][T10507] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  430.531764][T10507] CPU: 1 PID: 10507 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  430.534477][T10507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  430.537115][T10507] Call trace:
[  430.538011][T10507]  dump_backtrace+0x1b8/0x1e4
[  430.539282][T10507]  show_stack+0x2c/0x44
[  430.540363][T10507]  dump_stack_lvl+0xd0/0x124
[  430.541550][T10507]  dump_stack+0x1c/0x28
[  430.542681][T10507]  sysfs_create_dir_ns+0x278/0x318
[  430.544043][T10507]  kobject_add_internal+0x514/0xadc
[  430.545475][T10507]  kobject_add+0x14c/0x224
[  430.546666][T10507]  device_add+0x3a0/0xaac
[  430.547885][T10507]  device_register+0x28/0x38
[  430.549114][T10507]  tty_register_device_attr+0x3a4/0x7d4
[  430.550614][T10507]  tty_register_device+0x3c/0x50
[  430.551946][T10507]  gsm_activate_mux+0xdc/0x268
[  430.553213][T10507]  gsmld_ioctl+0x16f0/0x2310
[  430.554491][T10507]  tty_ioctl+0x924/0xd8c
[  430.555681][T10507]  __arm64_sys_ioctl+0x14c/0x1c8
[  430.557023][T10507]  invoke_syscall+0x98/0x2b8
[  430.558294][T10507]  el0_svc_common+0x130/0x23c
[  430.559593][T10507]  do_el0_svc+0x48/0x58
[  430.560750][T10507]  el0_svc+0x58/0x16c
[  430.561806][T10507]  el0t_64_sync_handler+0x84/0xfc
[  430.563152][T10507]  el0t_64_sync+0x190/0x194
[  430.587602][T10507] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  430.811832][T10510] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  430.814028][T10510] CPU: 1 PID: 10510 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  430.816858][T10510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  430.819526][T10510] Call trace:
[  430.820379][T10510]  dump_backtrace+0x1b8/0x1e4
[  430.821673][T10510]  show_stack+0x2c/0x44
[  430.822793][T10510]  dump_stack_lvl+0xd0/0x124
[  430.824012][T10510]  dump_stack+0x1c/0x28
[  430.825132][T10510]  sysfs_create_dir_ns+0x278/0x318
[  430.826494][T10510]  kobject_add_internal+0x514/0xadc
[  430.827893][T10510]  kobject_add+0x14c/0x224
[  430.829026][T10510]  device_add+0x3a0/0xaac
[  430.830204][T10510]  device_register+0x28/0x38
[  430.831430][T10510]  tty_register_device_attr+0x3a4/0x7d4
[  430.832950][T10510]  tty_register_device+0x3c/0x50
[  430.834232][T10510]  gsm_activate_mux+0xdc/0x268
[  430.835513][T10510]  gsmld_ioctl+0x16f0/0x2310
[  430.836783][T10510]  tty_ioctl+0x924/0xd8c
[  430.837978][T10510]  __arm64_sys_ioctl+0x14c/0x1c8
[  430.839342][T10510]  invoke_syscall+0x98/0x2b8
[  430.840597][T10510]  el0_svc_common+0x130/0x23c
[  430.841874][T10510]  do_el0_svc+0x48/0x58
[  430.842995][T10510]  el0_svc+0x58/0x16c
[  430.844058][T10510]  el0t_64_sync_handler+0x84/0xfc
[  430.845406][T10510]  el0t_64_sync+0x190/0x194
[  430.860188][T10510] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  431.064867][T10514] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  431.067269][T10514] CPU: 1 PID: 10514 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  431.069979][T10514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  431.072637][T10514] Call trace:
[  431.073494][T10514]  dump_backtrace+0x1b8/0x1e4
[  431.074743][T10514]  show_stack+0x2c/0x44
[  431.075925][T10514]  dump_stack_lvl+0xd0/0x124
[  431.077160][T10514]  dump_stack+0x1c/0x28
[  431.078325][T10514]  sysfs_create_dir_ns+0x278/0x318
[  431.079743][T10514]  kobject_add_internal+0x514/0xadc
[  431.081128][T10514]  kobject_add+0x14c/0x224
[  431.082303][T10514]  device_add+0x3a0/0xaac
[  431.083436][T10514]  device_register+0x28/0x38
[  431.084725][T10514]  tty_register_device_attr+0x3a4/0x7d4
[  431.086188][T10514]  tty_register_device+0x3c/0x50
[  431.087501][T10514]  gsm_activate_mux+0xdc/0x268
[  431.088799][T10514]  gsmld_ioctl+0x16f0/0x2310
[  431.090075][T10514]  tty_ioctl+0x924/0xd8c
[  431.091202][T10514]  __arm64_sys_ioctl+0x14c/0x1c8
[  431.092590][T10514]  invoke_syscall+0x98/0x2b8
[  431.093848][T10514]  el0_svc_common+0x130/0x23c
[  431.095083][T10514]  do_el0_svc+0x48/0x58
[  431.096233][T10514]  el0_svc+0x58/0x16c
[  431.097343][T10514]  el0t_64_sync_handler+0x84/0xfc
[  431.098750][T10514]  el0t_64_sync+0x190/0x194
[  431.105249][T10514] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  431.330086][T10519] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  431.332265][T10519] CPU: 0 PID: 10519 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  431.335014][T10519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  431.337656][T10519] Call trace:
[  431.338554][T10519]  dump_backtrace+0x1b8/0x1e4
[  431.339888][T10519]  show_stack+0x2c/0x44
[  431.341045][T10519]  dump_stack_lvl+0xd0/0x124
[  431.342327][T10519]  dump_stack+0x1c/0x28
[  431.343503][T10519]  sysfs_create_dir_ns+0x278/0x318
[  431.344838][T10519]  kobject_add_internal+0x514/0xadc
[  431.346259][T10519]  kobject_add+0x14c/0x224
[  431.347439][T10519]  device_add+0x3a0/0xaac
[  431.348679][T10519]  device_register+0x28/0x38
[  431.349948][T10519]  tty_register_device_attr+0x3a4/0x7d4
[  431.351457][T10519]  tty_register_device+0x3c/0x50
[  431.352882][T10519]  gsm_activate_mux+0xdc/0x268
[  431.354250][T10519]  gsmld_ioctl+0x16f0/0x2310
[  431.355517][T10519]  tty_ioctl+0x924/0xd8c
[  431.356698][T10519]  __arm64_sys_ioctl+0x14c/0x1c8
[  431.358109][T10519]  invoke_syscall+0x98/0x2b8
[  431.359320][T10519]  el0_svc_common+0x130/0x23c
[  431.360509][T10519]  do_el0_svc+0x48/0x58
[  431.361668][T10519]  el0_svc+0x58/0x16c
[  431.362693][T10519]  el0t_64_sync_handler+0x84/0xfc
[  431.364054][T10519]  el0t_64_sync+0x190/0x194
[  431.368002][T10519] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  431.565914][T10522] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  431.570497][T10522] CPU: 0 PID: 10522 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  431.573356][T10522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  431.576185][T10522] Call trace:
[  431.577055][T10522]  dump_backtrace+0x1b8/0x1e4
[  431.578353][T10522]  show_stack+0x2c/0x44
[  431.579467][T10522]  dump_stack_lvl+0xd0/0x124
[  431.580691][T10522]  dump_stack+0x1c/0x28
[  431.581851][T10522]  sysfs_create_dir_ns+0x278/0x318
[  431.583257][T10522]  kobject_add_internal+0x514/0xadc
[  431.584706][T10522]  kobject_add+0x14c/0x224
[  431.585866][T10522]  device_add+0x3a0/0xaac
[  431.587008][T10522]  device_register+0x28/0x38
[  431.588208][T10522]  tty_register_device_attr+0x3a4/0x7d4
[  431.589738][T10522]  tty_register_device+0x3c/0x50
[  431.591058][T10522]  gsm_activate_mux+0xdc/0x268
[  431.592364][T10522]  gsmld_ioctl+0x16f0/0x2310
[  431.593651][T10522]  tty_ioctl+0x924/0xd8c
[  431.594789][T10522]  __arm64_sys_ioctl+0x14c/0x1c8
[  431.596144][T10522]  invoke_syscall+0x98/0x2b8
[  431.597407][T10522]  el0_svc_common+0x130/0x23c
[  431.598656][T10522]  do_el0_svc+0x48/0x58
[  431.599790][T10522]  el0_svc+0x58/0x16c
[  431.600908][T10522]  el0t_64_sync_handler+0x84/0xfc
[  431.602224][T10522]  el0t_64_sync+0x190/0x194
[  431.608798][T10522] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  431.809138][T10525] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  431.811521][T10525] CPU: 1 PID: 10525 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  431.814314][T10525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  431.817037][T10525] Call trace:
[  431.817901][T10525]  dump_backtrace+0x1b8/0x1e4
[  431.819227][T10525]  show_stack+0x2c/0x44
[  431.820363][T10525]  dump_stack_lvl+0xd0/0x124
[  431.821627][T10525]  dump_stack+0x1c/0x28
[  431.822728][T10525]  sysfs_create_dir_ns+0x278/0x318
[  431.824106][T10525]  kobject_add_internal+0x514/0xadc
[  431.825483][T10525]  kobject_add+0x14c/0x224
[  431.826708][T10525]  device_add+0x3a0/0xaac
[  431.827880][T10525]  device_register+0x28/0x38
[  431.829112][T10525]  tty_register_device_attr+0x3a4/0x7d4
[  431.830598][T10525]  tty_register_device+0x3c/0x50
[  431.831971][T10525]  gsm_activate_mux+0xdc/0x268
[  431.833248][T10525]  gsmld_ioctl+0x16f0/0x2310
[  431.834452][T10525]  tty_ioctl+0x924/0xd8c
[  431.835665][T10525]  __arm64_sys_ioctl+0x14c/0x1c8
[  431.836993][T10525]  invoke_syscall+0x98/0x2b8
[  431.838247][T10525]  el0_svc_common+0x130/0x23c
[  431.839527][T10525]  do_el0_svc+0x48/0x58
[  431.840700][T10525]  el0_svc+0x58/0x16c
[  431.841755][T10525]  el0t_64_sync_handler+0x84/0xfc
[  431.843112][T10525]  el0t_64_sync+0x190/0x194
[  431.856932][T10525] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  432.198631][T10528] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  432.200862][T10528] CPU: 1 PID: 10528 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  432.203620][T10528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  432.206284][T10528] Call trace:
[  432.207157][T10528]  dump_backtrace+0x1b8/0x1e4
[  432.208371][T10528]  show_stack+0x2c/0x44
[  432.209408][T10528]  dump_stack_lvl+0xd0/0x124
[  432.210659][T10528]  dump_stack+0x1c/0x28
[  432.211794][T10528]  sysfs_create_dir_ns+0x278/0x318
[  432.213104][T10528]  kobject_add_internal+0x514/0xadc
[  432.214490][T10528]  kobject_add+0x14c/0x224
[  432.215641][T10528]  device_add+0x3a0/0xaac
[  432.216802][T10528]  device_register+0x28/0x38
[  432.218007][T10528]  tty_register_device_attr+0x3a4/0x7d4
[  432.219463][T10528]  tty_register_device+0x3c/0x50
[  432.220817][T10528]  gsm_activate_mux+0xdc/0x268
[  432.222085][T10528]  gsmld_ioctl+0x16f0/0x2310
[  432.223332][T10528]  tty_ioctl+0x924/0xd8c
[  432.224429][T10528]  __arm64_sys_ioctl+0x14c/0x1c8
[  432.225790][T10528]  invoke_syscall+0x98/0x2b8
[  432.227016][T10528]  el0_svc_common+0x130/0x23c
[  432.228307][T10528]  do_el0_svc+0x48/0x58
[  432.229360][T10528]  el0_svc+0x58/0x16c
[  432.230411][T10528]  el0t_64_sync_handler+0x84/0xfc
[  432.231725][T10528]  el0t_64_sync+0x190/0x194
[  432.239139][T10528] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  432.694803][T10533] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  432.703538][T10533] CPU: 0 PID: 10533 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  432.706314][T10533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  432.708979][T10533] Call trace:
[  432.709904][T10533]  dump_backtrace+0x1b8/0x1e4
[  432.711116][T10533]  show_stack+0x2c/0x44
[  432.712242][T10533]  dump_stack_lvl+0xd0/0x124
[  432.713503][T10533]  dump_stack+0x1c/0x28
[  432.714629][T10533]  sysfs_create_dir_ns+0x278/0x318
[  432.715957][T10533]  kobject_add_internal+0x514/0xadc
[  432.717313][T10533]  kobject_add+0x14c/0x224
[  432.718500][T10533]  device_add+0x3a0/0xaac
[  432.719652][T10533]  device_register+0x28/0x38
[  432.720850][T10533]  tty_register_device_attr+0x3a4/0x7d4
[  432.722290][T10533]  tty_register_device+0x3c/0x50
[  432.723631][T10533]  gsm_activate_mux+0xdc/0x268
[  432.724946][T10533]  gsmld_ioctl+0x16f0/0x2310
[  432.726217][T10533]  tty_ioctl+0x924/0xd8c
[  432.727290][T10533]  __arm64_sys_ioctl+0x14c/0x1c8
[  432.728668][T10533]  invoke_syscall+0x98/0x2b8
[  432.729874][T10533]  el0_svc_common+0x130/0x23c
[  432.731114][T10533]  do_el0_svc+0x48/0x58
[  432.732198][T10533]  el0_svc+0x58/0x16c
[  432.733269][T10533]  el0t_64_sync_handler+0x84/0xfc
[  432.734666][T10533]  el0t_64_sync+0x190/0x194
[  432.746587][T10533] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  432.990640][T10538] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  432.995736][T10538] CPU: 1 PID: 10538 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  432.998586][T10538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  433.001221][T10538] Call trace:
[  433.002108][T10538]  dump_backtrace+0x1b8/0x1e4
[  433.003407][T10538]  show_stack+0x2c/0x44
[  433.004501][T10538]  dump_stack_lvl+0xd0/0x124
[  433.005725][T10538]  dump_stack+0x1c/0x28
[  433.006826][T10538]  sysfs_create_dir_ns+0x278/0x318
[  433.008160][T10538]  kobject_add_internal+0x514/0xadc
[  433.009570][T10538]  kobject_add+0x14c/0x224
[  433.010776][T10538]  device_add+0x3a0/0xaac
[  433.011857][T10538]  device_register+0x28/0x38
[  433.013108][T10538]  tty_register_device_attr+0x3a4/0x7d4
[  433.014639][T10538]  tty_register_device+0x3c/0x50
[  433.016005][T10538]  gsm_activate_mux+0xdc/0x268
[  433.017345][T10538]  gsmld_ioctl+0x16f0/0x2310
[  433.018579][T10538]  tty_ioctl+0x924/0xd8c
[  433.019727][T10538]  __arm64_sys_ioctl+0x14c/0x1c8
[  433.021021][T10538]  invoke_syscall+0x98/0x2b8
[  433.022228][T10538]  el0_svc_common+0x130/0x23c
[  433.023465][T10538]  do_el0_svc+0x48/0x58
[  433.024579][T10538]  el0_svc+0x58/0x16c
[  433.025648][T10538]  el0t_64_sync_handler+0x84/0xfc
[  433.027040][T10538]  el0t_64_sync+0x190/0x194
[  433.034083][T10538] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  433.136738][ T2174] ieee802154 phy0 wpan0: encryption failed: -22
[  433.138488][ T2174] ieee802154 phy1 wpan1: encryption failed: -22
[  433.242554][T10541] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  433.247237][T10541] CPU: 0 PID: 10541 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  433.250096][T10541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  433.252747][T10541] Call trace:
[  433.253634][T10541]  dump_backtrace+0x1b8/0x1e4
[  433.254952][T10541]  show_stack+0x2c/0x44
[  433.256100][T10541]  dump_stack_lvl+0xd0/0x124
[  433.257347][T10541]  dump_stack+0x1c/0x28
[  433.258483][T10541]  sysfs_create_dir_ns+0x278/0x318
[  433.259920][T10541]  kobject_add_internal+0x514/0xadc
[  433.261289][T10541]  kobject_add+0x14c/0x224
[  433.262466][T10541]  device_add+0x3a0/0xaac
[  433.263678][T10541]  device_register+0x28/0x38
[  433.264893][T10541]  tty_register_device_attr+0x3a4/0x7d4
[  433.266412][T10541]  tty_register_device+0x3c/0x50
[  433.267716][T10541]  gsm_activate_mux+0xdc/0x268
[  433.268964][T10541]  gsmld_ioctl+0x16f0/0x2310
[  433.270208][T10541]  tty_ioctl+0x924/0xd8c
[  433.271368][T10541]  __arm64_sys_ioctl+0x14c/0x1c8
[  433.272720][T10541]  invoke_syscall+0x98/0x2b8
[  433.273909][T10541]  el0_svc_common+0x130/0x23c
[  433.275161][T10541]  do_el0_svc+0x48/0x58
[  433.276317][T10541]  el0_svc+0x58/0x16c
[  433.277416][T10541]  el0t_64_sync_handler+0x84/0xfc
[  433.278753][T10541]  el0t_64_sync+0x190/0x194
[  433.281867][T10541] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  433.288948][T10541] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  433.293156][T10541] CPU: 0 PID: 10541 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  433.295961][T10541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  433.298656][T10541] Call trace:
[  433.299510][T10541]  dump_backtrace+0x1b8/0x1e4
[  433.300806][T10541]  show_stack+0x2c/0x44
[  433.301901][T10541]  dump_stack_lvl+0xd0/0x124
[  433.303131][T10541]  dump_stack+0x1c/0x28
[  433.304226][T10541]  sysfs_create_dir_ns+0x278/0x318
[  433.305618][T10541]  kobject_add_internal+0x514/0xadc
[  433.307131][T10541]  kobject_add+0x14c/0x224
[  433.308337][T10541]  device_add+0x3a0/0xaac
[  433.309525][T10541]  device_register+0x28/0x38
[  433.310733][T10541]  tty_register_device_attr+0x3a4/0x7d4
[  433.312200][T10541]  tty_register_device+0x3c/0x50
[  433.313549][T10541]  gsm_activate_mux+0xdc/0x268
[  433.314859][T10541]  gsmld_ioctl+0x16f0/0x2310
[  433.316072][T10541]  tty_ioctl+0x924/0xd8c
[  433.317234][T10541]  __arm64_sys_ioctl+0x14c/0x1c8
[  433.318569][T10541]  invoke_syscall+0x98/0x2b8
[  433.319770][T10541]  el0_svc_common+0x130/0x23c
[  433.321046][T10541]  do_el0_svc+0x48/0x58
[  433.322097][T10541]  el0_svc+0x58/0x16c
[  433.323178][T10541]  el0t_64_sync_handler+0x84/0xfc
[  433.324585][T10541]  el0t_64_sync+0x190/0x194
[  433.331104][T10541] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  433.508603][T10544] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  433.510862][T10544] CPU: 1 PID: 10544 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  433.513671][T10544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  433.516399][T10544] Call trace:
[  433.517273][T10544]  dump_backtrace+0x1b8/0x1e4
[  433.518599][T10544]  show_stack+0x2c/0x44
[  433.519683][T10544]  dump_stack_lvl+0xd0/0x124
[  433.520920][T10544]  dump_stack+0x1c/0x28
[  433.522054][T10544]  sysfs_create_dir_ns+0x278/0x318
[  433.523514][T10544]  kobject_add_internal+0x514/0xadc
[  433.524902][T10544]  kobject_add+0x14c/0x224
[  433.526070][T10544]  device_add+0x3a0/0xaac
[  433.527315][T10544]  device_register+0x28/0x38
[  433.528578][T10544]  tty_register_device_attr+0x3a4/0x7d4
[  433.530069][T10544]  tty_register_device+0x3c/0x50
[  433.531422][T10544]  gsm_activate_mux+0xdc/0x268
[  433.532684][T10544]  gsmld_ioctl+0x16f0/0x2310
[  433.533870][T10544]  tty_ioctl+0x924/0xd8c
[  433.534997][T10544]  __arm64_sys_ioctl+0x14c/0x1c8
[  433.536408][T10544]  invoke_syscall+0x98/0x2b8
[  433.537707][T10544]  el0_svc_common+0x130/0x23c
[  433.538977][T10544]  do_el0_svc+0x48/0x58
[  433.540124][T10544]  el0_svc+0x58/0x16c
[  433.541247][T10544]  el0t_64_sync_handler+0x84/0xfc
[  433.542643][T10544]  el0t_64_sync+0x190/0x194
[  433.556045][T10544] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  433.747955][T10547] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  433.752506][T10547] CPU: 1 PID: 10547 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  433.755535][T10547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  433.758220][T10547] Call trace:
[  433.759093][T10547]  dump_backtrace+0x1b8/0x1e4
[  433.760340][T10547]  show_stack+0x2c/0x44
[  433.761435][T10547]  dump_stack_lvl+0xd0/0x124
[  433.762653][T10547]  dump_stack+0x1c/0x28
[  433.763820][T10547]  sysfs_create_dir_ns+0x278/0x318
[  433.765286][T10547]  kobject_add_internal+0x514/0xadc
[  433.766704][T10547]  kobject_add+0x14c/0x224
[  433.767847][T10547]  device_add+0x3a0/0xaac
[  433.769027][T10547]  device_register+0x28/0x38
[  433.770278][T10547]  tty_register_device_attr+0x3a4/0x7d4
[  433.771786][T10547]  tty_register_device+0x3c/0x50
[  433.773095][T10547]  gsm_activate_mux+0xdc/0x268
[  433.774373][T10547]  gsmld_ioctl+0x16f0/0x2310
[  433.775550][T10547]  tty_ioctl+0x924/0xd8c
[  433.776732][T10547]  __arm64_sys_ioctl+0x14c/0x1c8
[  433.778073][T10547]  invoke_syscall+0x98/0x2b8
[  433.779265][T10547]  el0_svc_common+0x130/0x23c
[  433.780571][T10547]  do_el0_svc+0x48/0x58
[  433.781696][T10547]  el0_svc+0x58/0x16c
[  433.782796][T10547]  el0t_64_sync_handler+0x84/0xfc
[  433.784125][T10547]  el0t_64_sync+0x190/0x194
[  433.787931][T10547] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  433.791817][T10547] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  433.795859][T10547] CPU: 0 PID: 10547 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  433.798584][T10547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  433.801297][T10547] Call trace:
[  433.802185][T10547]  dump_backtrace+0x1b8/0x1e4
[  433.803396][T10547]  show_stack+0x2c/0x44
[  433.804502][T10547]  dump_stack_lvl+0xd0/0x124
[  433.805765][T10547]  dump_stack+0x1c/0x28
[  433.806846][T10547]  sysfs_create_dir_ns+0x278/0x318
[  433.808230][T10547]  kobject_add_internal+0x514/0xadc
[  433.809602][T10547]  kobject_add+0x14c/0x224
[  433.810788][T10547]  device_add+0x3a0/0xaac
[  433.811997][T10547]  device_register+0x28/0x38
[  433.813194][T10547]  tty_register_device_attr+0x3a4/0x7d4
[  433.814692][T10547]  tty_register_device+0x3c/0x50
[  433.815991][T10547]  gsm_activate_mux+0xdc/0x268
[  433.817267][T10547]  gsmld_ioctl+0x16f0/0x2310
[  433.818480][T10547]  tty_ioctl+0x924/0xd8c
[  433.819605][T10547]  __arm64_sys_ioctl+0x14c/0x1c8
[  433.820887][T10547]  invoke_syscall+0x98/0x2b8
[  433.822112][T10547]  el0_svc_common+0x130/0x23c
[  433.823336][T10547]  do_el0_svc+0x48/0x58
[  433.824459][T10547]  el0_svc+0x58/0x16c
[  433.825491][T10547]  el0t_64_sync_handler+0x84/0xfc
[  433.826845][T10547]  el0t_64_sync+0x190/0x194
[  433.830435][T10547] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  434.175431][T10550] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  434.178389][T10550] CPU: 1 PID: 10550 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  434.181356][T10550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  434.183999][T10550] Call trace:
[  434.184819][T10550]  dump_backtrace+0x1b8/0x1e4
[  434.186064][T10550]  show_stack+0x2c/0x44
[  434.187184][T10550]  dump_stack_lvl+0xd0/0x124
[  434.188352][T10550]  dump_stack+0x1c/0x28
[  434.189527][T10550]  sysfs_create_dir_ns+0x278/0x318
[  434.190867][T10550]  kobject_add_internal+0x514/0xadc
[  434.192254][T10550]  kobject_add+0x14c/0x224
[  434.193491][T10550]  device_add+0x3a0/0xaac
[  434.194641][T10550]  device_register+0x28/0x38
[  434.195854][T10550]  tty_register_device_attr+0x3a4/0x7d4
[  434.197381][T10550]  tty_register_device+0x3c/0x50
[  434.198703][T10550]  gsm_activate_mux+0xdc/0x268
[  434.200030][T10550]  gsmld_ioctl+0x16f0/0x2310
[  434.201290][T10550]  tty_ioctl+0x924/0xd8c
[  434.202462][T10550]  __arm64_sys_ioctl+0x14c/0x1c8
[  434.203842][T10550]  invoke_syscall+0x98/0x2b8
[  434.205069][T10550]  el0_svc_common+0x130/0x23c
[  434.206341][T10550]  do_el0_svc+0x48/0x58
[  434.207447][T10550]  el0_svc+0x58/0x16c
[  434.208569][T10550]  el0t_64_sync_handler+0x84/0xfc
[  434.209931][T10550]  el0t_64_sync+0x190/0x194
[  434.225165][T10550] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  434.471469][T10553] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  434.473744][T10553] CPU: 1 PID: 10553 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  434.476483][T10553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  434.479181][T10553] Call trace:
[  434.480052][T10553]  dump_backtrace+0x1b8/0x1e4
[  434.481309][T10553]  show_stack+0x2c/0x44
[  434.482457][T10553]  dump_stack_lvl+0xd0/0x124
[  434.483683][T10553]  dump_stack+0x1c/0x28
[  434.484777][T10553]  sysfs_create_dir_ns+0x278/0x318
[  434.486177][T10553]  kobject_add_internal+0x514/0xadc
[  434.487585][T10553]  kobject_add+0x14c/0x224
[  434.488764][T10553]  device_add+0x3a0/0xaac
[  434.489938][T10553]  device_register+0x28/0x38
[  434.491187][T10553]  tty_register_device_attr+0x3a4/0x7d4
[  434.492689][T10553]  tty_register_device+0x3c/0x50
[  434.494066][T10553]  gsm_activate_mux+0xdc/0x268
[  434.495302][T10553]  gsmld_ioctl+0x16f0/0x2310
[  434.496592][T10553]  tty_ioctl+0x924/0xd8c
[  434.497778][T10553]  __arm64_sys_ioctl+0x14c/0x1c8
[  434.499171][T10553]  invoke_syscall+0x98/0x2b8
[  434.500428][T10553]  el0_svc_common+0x130/0x23c
[  434.501728][T10553]  do_el0_svc+0x48/0x58
[  434.502854][T10553]  el0_svc+0x58/0x16c
[  434.503867][T10553]  el0t_64_sync_handler+0x84/0xfc
[  434.505259][T10553]  el0t_64_sync+0x190/0x194
[  434.513287][T10553] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  434.874987][T10556] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  434.881587][T10556] CPU: 1 PID: 10556 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  434.884476][T10556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  434.887190][T10556] Call trace:
[  434.888089][T10556]  dump_backtrace+0x1b8/0x1e4
[  434.889408][T10556]  show_stack+0x2c/0x44
[  434.890499][T10556]  dump_stack_lvl+0xd0/0x124
[  434.891748][T10556]  dump_stack+0x1c/0x28
[  434.892864][T10556]  sysfs_create_dir_ns+0x278/0x318
[  434.894235][T10556]  kobject_add_internal+0x514/0xadc
[  434.895639][T10556]  kobject_add+0x14c/0x224
[  434.896825][T10556]  device_add+0x3a0/0xaac
[  434.898021][T10556]  device_register+0x28/0x38
[  434.899265][T10556]  tty_register_device_attr+0x3a4/0x7d4
[  434.900827][T10556]  tty_register_device+0x3c/0x50
[  434.902156][T10556]  gsm_activate_mux+0xdc/0x268
[  434.903439][T10556]  gsmld_ioctl+0x16f0/0x2310
[  434.904652][T10556]  tty_ioctl+0x924/0xd8c
[  434.905769][T10556]  __arm64_sys_ioctl+0x14c/0x1c8
[  434.907135][T10556]  invoke_syscall+0x98/0x2b8
[  434.908367][T10556]  el0_svc_common+0x130/0x23c
[  434.909609][T10556]  do_el0_svc+0x48/0x58
[  434.910743][T10556]  el0_svc+0x58/0x16c
[  434.911805][T10556]  el0t_64_sync_handler+0x84/0xfc
[  434.913134][T10556]  el0t_64_sync+0x190/0x194
[  434.914999][T10556] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  435.170439][T10559] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  435.172709][T10559] CPU: 0 PID: 10559 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  435.175413][T10559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  435.178089][T10559] Call trace:
[  435.178937][T10559]  dump_backtrace+0x1b8/0x1e4
[  435.180165][T10559]  show_stack+0x2c/0x44
[  435.181214][T10559]  dump_stack_lvl+0xd0/0x124
[  435.182431][T10559]  dump_stack+0x1c/0x28
[  435.183539][T10559]  sysfs_create_dir_ns+0x278/0x318
[  435.184949][T10559]  kobject_add_internal+0x514/0xadc
[  435.186310][T10559]  kobject_add+0x14c/0x224
[  435.187540][T10559]  device_add+0x3a0/0xaac
[  435.188668][T10559]  device_register+0x28/0x38
[  435.189866][T10559]  tty_register_device_attr+0x3a4/0x7d4
[  435.191308][T10559]  tty_register_device+0x3c/0x50
[  435.192648][T10559]  gsm_activate_mux+0xdc/0x268
[  435.193873][T10559]  gsmld_ioctl+0x16f0/0x2310
[  435.195065][T10559]  tty_ioctl+0x924/0xd8c
[  435.196141][T10559]  __arm64_sys_ioctl+0x14c/0x1c8
[  435.197456][T10559]  invoke_syscall+0x98/0x2b8
[  435.198692][T10559]  el0_svc_common+0x130/0x23c
[  435.199904][T10559]  do_el0_svc+0x48/0x58
[  435.201013][T10559]  el0_svc+0x58/0x16c
[  435.202057][T10559]  el0t_64_sync_handler+0x84/0xfc
[  435.203460][T10559]  el0t_64_sync+0x190/0x194
[  435.206287][T10559] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  435.422742][T10562] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  435.425789][T10562] CPU: 1 PID: 10562 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  435.428640][T10562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  435.431382][T10562] Call trace:
[  435.432258][T10562]  dump_backtrace+0x1b8/0x1e4
[  435.433542][T10562]  show_stack+0x2c/0x44
[  435.434670][T10562]  dump_stack_lvl+0xd0/0x124
[  435.435927][T10562]  dump_stack+0x1c/0x28
[  435.437115][T10562]  sysfs_create_dir_ns+0x278/0x318
[  435.438465][T10562]  kobject_add_internal+0x514/0xadc
[  435.439858][T10562]  kobject_add+0x14c/0x224
[  435.441034][T10562]  device_add+0x3a0/0xaac
[  435.442232][T10562]  device_register+0x28/0x38
[  435.443549][T10562]  tty_register_device_attr+0x3a4/0x7d4
[  435.445097][T10562]  tty_register_device+0x3c/0x50
[  435.446414][T10562]  gsm_activate_mux+0xdc/0x268
[  435.447712][T10562]  gsmld_ioctl+0x16f0/0x2310
[  435.448937][T10562]  tty_ioctl+0x924/0xd8c
[  435.450135][T10562]  __arm64_sys_ioctl+0x14c/0x1c8
[  435.451450][T10562]  invoke_syscall+0x98/0x2b8
[  435.452677][T10562]  el0_svc_common+0x130/0x23c
[  435.453899][T10562]  do_el0_svc+0x48/0x58
[  435.455026][T10562]  el0_svc+0x58/0x16c
[  435.456116][T10562]  el0t_64_sync_handler+0x84/0xfc
[  435.457462][T10562]  el0t_64_sync+0x190/0x194
[  435.464794][T10562] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  435.907844][T10582] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  435.910114][T10582] CPU: 1 PID: 10582 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  435.912934][T10582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  435.915652][T10582] Call trace:
[  435.916521][T10582]  dump_backtrace+0x1b8/0x1e4
[  435.917780][T10582]  show_stack+0x2c/0x44
[  435.918872][T10582]  dump_stack_lvl+0xd0/0x124
[  435.920146][T10582]  dump_stack+0x1c/0x28
[  435.921066][T10582]  sysfs_create_dir_ns+0x278/0x318
[  435.922220][T10582]  kobject_add_internal+0x514/0xadc
[  435.923612][T10582]  kobject_add+0x14c/0x224
[  435.924779][T10582]  device_add+0x3a0/0xaac
[  435.925911][T10582]  device_register+0x28/0x38
[  435.927127][T10582]  tty_register_device_attr+0x3a4/0x7d4
[  435.928623][T10582]  tty_register_device+0x3c/0x50
[  435.929935][T10582]  gsm_activate_mux+0xdc/0x268
[  435.931245][T10582]  gsmld_ioctl+0x16f0/0x2310
[  435.932466][T10582]  tty_ioctl+0x924/0xd8c
[  435.933604][T10582]  __arm64_sys_ioctl+0x14c/0x1c8
[  435.934967][T10582]  invoke_syscall+0x98/0x2b8
[  435.936171][T10582]  el0_svc_common+0x130/0x23c
[  435.937505][T10582]  do_el0_svc+0x48/0x58
[  435.938630][T10582]  el0_svc+0x58/0x16c
[  435.939680][T10582]  el0t_64_sync_handler+0x84/0xfc
[  435.941030][T10582]  el0t_64_sync+0x190/0x194
[  435.961497][T10582] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  436.315049][T10610] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  436.319548][T10610] CPU: 0 PID: 10610 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  436.322394][T10610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  436.325082][T10610] Call trace:
[  436.325975][T10610]  dump_backtrace+0x1b8/0x1e4
[  436.327227][T10610]  show_stack+0x2c/0x44
[  436.328356][T10610]  dump_stack_lvl+0xd0/0x124
[  436.329620][T10610]  dump_stack+0x1c/0x28
[  436.330765][T10610]  sysfs_create_dir_ns+0x278/0x318
[  436.332105][T10610]  kobject_add_internal+0x514/0xadc
[  436.333497][T10610]  kobject_add+0x14c/0x224
[  436.334684][T10610]  device_add+0x3a0/0xaac
[  436.335880][T10610]  device_register+0x28/0x38
[  436.337113][T10610]  tty_register_device_attr+0x3a4/0x7d4
[  436.338543][T10610]  tty_register_device+0x3c/0x50
[  436.339963][T10610]  gsm_activate_mux+0xdc/0x268
[  436.341199][T10610]  gsmld_ioctl+0x16f0/0x2310
[  436.342427][T10610]  tty_ioctl+0x924/0xd8c
[  436.343534][T10610]  __arm64_sys_ioctl+0x14c/0x1c8
[  436.344872][T10610]  invoke_syscall+0x98/0x2b8
[  436.346056][T10610]  el0_svc_common+0x130/0x23c
[  436.347283][T10610]  do_el0_svc+0x48/0x58
[  436.348382][T10610]  el0_svc+0x58/0x16c
[  436.349507][T10610]  el0t_64_sync_handler+0x84/0xfc
[  436.350866][T10610]  el0t_64_sync+0x190/0x194
[  436.356072][T10610] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  436.569548][T10613] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  436.576460][T10613] CPU: 0 PID: 10613 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  436.579254][T10613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  436.582074][T10613] Call trace:
[  436.582970][T10613]  dump_backtrace+0x1b8/0x1e4
[  436.584260][T10613]  show_stack+0x2c/0x44
[  436.585452][T10613]  dump_stack_lvl+0xd0/0x124
[  436.586728][T10613]  dump_stack+0x1c/0x28
[  436.587813][T10613]  sysfs_create_dir_ns+0x278/0x318
[  436.589200][T10613]  kobject_add_internal+0x514/0xadc
[  436.590608][T10613]  kobject_add+0x14c/0x224
[  436.591783][T10613]  device_add+0x3a0/0xaac
[  436.592911][T10613]  device_register+0x28/0x38
[  436.594093][T10613]  tty_register_device_attr+0x3a4/0x7d4
[  436.595644][T10613]  tty_register_device+0x3c/0x50
[  436.596986][T10613]  gsm_activate_mux+0xdc/0x268
[  436.598279][T10613]  gsmld_ioctl+0x16f0/0x2310
[  436.599528][T10613]  tty_ioctl+0x924/0xd8c
[  436.600658][T10613]  __arm64_sys_ioctl+0x14c/0x1c8
[  436.602013][T10613]  invoke_syscall+0x98/0x2b8
[  436.603216][T10613]  el0_svc_common+0x130/0x23c
[  436.604490][T10613]  do_el0_svc+0x48/0x58
[  436.605600][T10613]  el0_svc+0x58/0x16c
[  436.606669][T10613]  el0t_64_sync_handler+0x84/0xfc
[  436.608085][T10613]  el0t_64_sync+0x190/0x194
[  436.614288][T10613] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  436.620745][T10614] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  436.623506][T10614] CPU: 0 PID: 10614 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  436.626326][T10614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  436.629006][T10614] Call trace:
[  436.629899][T10614]  dump_backtrace+0x1b8/0x1e4
[  436.631147][T10614]  show_stack+0x2c/0x44
[  436.632255][T10614]  dump_stack_lvl+0xd0/0x124
[  436.633503][T10614]  dump_stack+0x1c/0x28
[  436.634617][T10614]  sysfs_create_dir_ns+0x278/0x318
[  436.636019][T10614]  kobject_add_internal+0x514/0xadc
[  436.637366][T10614]  kobject_add+0x14c/0x224
[  436.638621][T10614]  device_add+0x3a0/0xaac
[  436.639731][T10614]  device_register+0x28/0x38
[  436.640997][T10614]  tty_register_device_attr+0x3a4/0x7d4
[  436.642441][T10614]  tty_register_device+0x3c/0x50
[  436.643807][T10614]  gsm_activate_mux+0xdc/0x268
[  436.645039][T10614]  gsmld_ioctl+0x16f0/0x2310
[  436.646353][T10614]  tty_ioctl+0x924/0xd8c
[  436.647492][T10614]  __arm64_sys_ioctl+0x14c/0x1c8
[  436.648765][T10614]  invoke_syscall+0x98/0x2b8
[  436.649955][T10614]  el0_svc_common+0x130/0x23c
[  436.651166][T10614]  do_el0_svc+0x48/0x58
[  436.652262][T10614]  el0_svc+0x58/0x16c
[  436.653335][T10614]  el0t_64_sync_handler+0x84/0xfc
[  436.654742][T10614]  el0t_64_sync+0x190/0x194
[  436.657094][T10614] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  436.898477][T10634] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  436.904067][T10634] CPU: 0 PID: 10634 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  436.906934][T10634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  436.909709][T10634] Call trace:
[  436.910609][T10634]  dump_backtrace+0x1b8/0x1e4
[  436.911891][T10634]  show_stack+0x2c/0x44
[  436.913002][T10634]  dump_stack_lvl+0xd0/0x124
[  436.914233][T10634]  dump_stack+0x1c/0x28
[  436.915359][T10634]  sysfs_create_dir_ns+0x278/0x318
[  436.916772][T10634]  kobject_add_internal+0x514/0xadc
[  436.918155][T10634]  kobject_add+0x14c/0x224
[  436.919390][T10634]  device_add+0x3a0/0xaac
[  436.920551][T10634]  device_register+0x28/0x38
[  436.921839][T10634]  tty_register_device_attr+0x3a4/0x7d4
[  436.923395][T10634]  tty_register_device+0x3c/0x50
[  436.924717][T10634]  gsm_activate_mux+0xdc/0x268
[  436.925997][T10634]  gsmld_ioctl+0x16f0/0x2310
[  436.927346][T10634]  tty_ioctl+0x924/0xd8c
[  436.928542][T10634]  __arm64_sys_ioctl+0x14c/0x1c8
[  436.929961][T10634]  invoke_syscall+0x98/0x2b8
[  436.931247][T10634]  el0_svc_common+0x130/0x23c
[  436.932530][T10634]  do_el0_svc+0x48/0x58
[  436.933710][T10634]  el0_svc+0x58/0x16c
[  436.934783][T10634]  el0t_64_sync_handler+0x84/0xfc
[  436.936151][T10634]  el0t_64_sync+0x190/0x194
[  436.958505][T10634] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  437.418268][T10659] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  437.420542][T10659] CPU: 1 PID: 10659 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  437.423301][T10659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  437.426047][T10659] Call trace:
[  437.426917][T10659]  dump_backtrace+0x1b8/0x1e4
[  437.428166][T10659]  show_stack+0x2c/0x44
[  437.429303][T10659]  dump_stack_lvl+0xd0/0x124
[  437.430530][T10659]  dump_stack+0x1c/0x28
[  437.431702][T10659]  sysfs_create_dir_ns+0x278/0x318
[  437.433090][T10659]  kobject_add_internal+0x514/0xadc
[  437.434519][T10659]  kobject_add+0x14c/0x224
[  437.435776][T10659]  device_add+0x3a0/0xaac
[  437.436939][T10659]  device_register+0x28/0x38
[  437.438268][T10659]  tty_register_device_attr+0x3a4/0x7d4
[  437.439789][T10659]  tty_register_device+0x3c/0x50
[  437.441121][T10659]  gsm_activate_mux+0xdc/0x268
[  437.442337][T10659]  gsmld_ioctl+0x16f0/0x2310
[  437.443574][T10659]  tty_ioctl+0x924/0xd8c
[  437.444712][T10659]  __arm64_sys_ioctl+0x14c/0x1c8
[  437.446055][T10659]  invoke_syscall+0x98/0x2b8
[  437.447294][T10659]  el0_svc_common+0x130/0x23c
[  437.448512][T10659]  do_el0_svc+0x48/0x58
[  437.449695][T10659]  el0_svc+0x58/0x16c
[  437.450787][T10659]  el0t_64_sync_handler+0x84/0xfc
[  437.452179][T10659]  el0t_64_sync+0x190/0x194
[  437.469064][T10659] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  437.746996][T10665] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  437.752463][T10665] CPU: 0 PID: 10665 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  437.755359][T10665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  437.758037][T10665] Call trace:
[  437.758958][T10665]  dump_backtrace+0x1b8/0x1e4
[  437.760235][T10665]  show_stack+0x2c/0x44
[  437.761424][T10665]  dump_stack_lvl+0xd0/0x124
[  437.762688][T10665]  dump_stack+0x1c/0x28
[  437.763847][T10665]  sysfs_create_dir_ns+0x278/0x318
[  437.765305][T10665]  kobject_add_internal+0x514/0xadc
[  437.766754][T10665]  kobject_add+0x14c/0x224
[  437.767959][T10665]  device_add+0x3a0/0xaac
[  437.769217][T10665]  device_register+0x28/0x38
[  437.770495][T10665]  tty_register_device_attr+0x3a4/0x7d4
[  437.772039][T10665]  tty_register_device+0x3c/0x50
[  437.773405][T10665]  gsm_activate_mux+0xdc/0x268
[  437.774746][T10665]  gsmld_ioctl+0x16f0/0x2310
[  437.776044][T10665]  tty_ioctl+0x924/0xd8c
[  437.777247][T10665]  __arm64_sys_ioctl+0x14c/0x1c8
[  437.778666][T10665]  invoke_syscall+0x98/0x2b8
[  437.779931][T10665]  el0_svc_common+0x130/0x23c
[  437.781228][T10665]  do_el0_svc+0x48/0x58
[  437.782397][T10665]  el0_svc+0x58/0x16c
[  437.783551][T10665]  el0t_64_sync_handler+0x84/0xfc
[  437.784923][T10665]  el0t_64_sync+0x190/0x194
[  437.795091][T10665] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  437.797890][T10666] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  437.801267][T10666] CPU: 1 PID: 10666 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  437.803986][T10666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  437.806755][T10666] Call trace:
[  437.807677][T10666]  dump_backtrace+0x1b8/0x1e4
[  437.809048][T10666]  show_stack+0x2c/0x44
[  437.810196][T10666]  dump_stack_lvl+0xd0/0x124
[  437.811505][T10666]  dump_stack+0x1c/0x28
[  437.812693][T10666]  sysfs_create_dir_ns+0x278/0x318
[  437.814045][T10666]  kobject_add_internal+0x514/0xadc
[  437.815484][T10666]  kobject_add+0x14c/0x224
[  437.816710][T10666]  device_add+0x3a0/0xaac
[  437.817898][T10666]  device_register+0x28/0x38
[  437.819158][T10666]  tty_register_device_attr+0x3a4/0x7d4
[  437.820711][T10666]  tty_register_device+0x3c/0x50
[  437.822064][T10666]  gsm_activate_mux+0xdc/0x268
[  437.823387][T10666]  gsmld_ioctl+0x16f0/0x2310
[  437.824631][T10666]  tty_ioctl+0x924/0xd8c
[  437.825801][T10666]  __arm64_sys_ioctl+0x14c/0x1c8
[  437.827133][T10666]  invoke_syscall+0x98/0x2b8
[  437.828387][T10666]  el0_svc_common+0x130/0x23c
[  437.829665][T10666]  do_el0_svc+0x48/0x58
[  437.830819][T10666]  el0_svc+0x58/0x16c
[  437.831900][T10666]  el0t_64_sync_handler+0x84/0xfc
[  437.833249][T10666]  el0t_64_sync+0x190/0x194
[  437.840619][T10666] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  438.009668][T10671] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  438.011926][T10671] CPU: 1 PID: 10671 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  438.014801][T10671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  438.017505][T10671] Call trace:
[  438.018420][T10671]  dump_backtrace+0x1b8/0x1e4
[  438.019676][T10671]  show_stack+0x2c/0x44
[  438.020800][T10671]  dump_stack_lvl+0xd0/0x124
[  438.022058][T10671]  dump_stack+0x1c/0x28
[  438.023218][T10671]  sysfs_create_dir_ns+0x278/0x318
[  438.024613][T10671]  kobject_add_internal+0x514/0xadc
[  438.026013][T10671]  kobject_add+0x14c/0x224
[  438.027240][T10671]  device_add+0x3a0/0xaac
[  438.028424][T10671]  device_register+0x28/0x38
[  438.029676][T10671]  tty_register_device_attr+0x3a4/0x7d4
[  438.031217][T10671]  tty_register_device+0x3c/0x50
[  438.032519][T10671]  gsm_activate_mux+0xdc/0x268
[  438.033794][T10671]  gsmld_ioctl+0x16f0/0x2310
[  438.035011][T10671]  tty_ioctl+0x924/0xd8c
[  438.036133][T10671]  __arm64_sys_ioctl+0x14c/0x1c8
[  438.037436][T10671]  invoke_syscall+0x98/0x2b8
[  438.038666][T10671]  el0_svc_common+0x130/0x23c
[  438.039936][T10671]  do_el0_svc+0x48/0x58
[  438.041102][T10671]  el0_svc+0x58/0x16c
[  438.042111][T10671]  el0t_64_sync_handler+0x84/0xfc
[  438.043484][T10671]  el0t_64_sync+0x190/0x194
[  438.054061][T10671] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  438.058058][T10671] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  438.060257][T10671] CPU: 1 PID: 10671 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  438.063032][T10671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  438.065754][T10671] Call trace:
[  438.066686][T10671]  dump_backtrace+0x1b8/0x1e4
[  438.067978][T10671]  show_stack+0x2c/0x44
[  438.069115][T10671]  dump_stack_lvl+0xd0/0x124
[  438.070323][T10671]  dump_stack+0x1c/0x28
[  438.071469][T10671]  sysfs_create_dir_ns+0x278/0x318
[  438.072888][T10671]  kobject_add_internal+0x514/0xadc
[  438.074329][T10671]  kobject_add+0x14c/0x224
[  438.075543][T10671]  device_add+0x3a0/0xaac
[  438.076784][T10671]  device_register+0x28/0x38
[  438.077993][T10671]  tty_register_device_attr+0x3a4/0x7d4
[  438.079568][T10671]  tty_register_device+0x3c/0x50
[  438.080942][T10671]  gsm_activate_mux+0xdc/0x268
[  438.082189][T10671]  gsmld_ioctl+0x16f0/0x2310
[  438.083443][T10671]  tty_ioctl+0x924/0xd8c
[  438.084656][T10671]  __arm64_sys_ioctl+0x14c/0x1c8
[  438.085974][T10671]  invoke_syscall+0x98/0x2b8
[  438.087215][T10671]  el0_svc_common+0x130/0x23c
[  438.088512][T10671]  do_el0_svc+0x48/0x58
[  438.089588][T10671]  el0_svc+0x58/0x16c
[  438.090680][T10671]  el0t_64_sync_handler+0x84/0xfc
[  438.092034][T10671]  el0t_64_sync+0x190/0x194
[  438.100667][T10671] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  438.382924][T10692] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  438.385168][T10692] CPU: 0 PID: 10692 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  438.387980][T10692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  438.390634][T10692] Call trace:
[  438.391513][T10692]  dump_backtrace+0x1b8/0x1e4
[  438.392847][T10692]  show_stack+0x2c/0x44
[  438.393948][T10692]  dump_stack_lvl+0xd0/0x124
[  438.395114][T10692]  dump_stack+0x1c/0x28
[  438.396251][T10692]  sysfs_create_dir_ns+0x278/0x318
[  438.397591][T10692]  kobject_add_internal+0x514/0xadc
[  438.398982][T10692]  kobject_add+0x14c/0x224
[  438.400164][T10692]  device_add+0x3a0/0xaac
[  438.401330][T10692]  device_register+0x28/0x38
[  438.402530][T10692]  tty_register_device_attr+0x3a4/0x7d4
[  438.404022][T10692]  tty_register_device+0x3c/0x50
[  438.405291][T10692]  gsm_activate_mux+0xdc/0x268
[  438.406597][T10692]  gsmld_ioctl+0x16f0/0x2310
[  438.407849][T10692]  tty_ioctl+0x924/0xd8c
[  438.408956][T10692]  __arm64_sys_ioctl+0x14c/0x1c8
[  438.410325][T10692]  invoke_syscall+0x98/0x2b8
[  438.411576][T10692]  el0_svc_common+0x130/0x23c
[  438.412856][T10692]  do_el0_svc+0x48/0x58
[  438.413965][T10692]  el0_svc+0x58/0x16c
[  438.415048][T10692]  el0t_64_sync_handler+0x84/0xfc
[  438.416386][T10692]  el0t_64_sync+0x190/0x194
[  438.450548][T10692] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  438.456409][T10692] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  438.458948][T10692] CPU: 0 PID: 10692 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  438.461761][T10692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  438.464420][T10692] Call trace:
[  438.465241][T10692]  dump_backtrace+0x1b8/0x1e4
[  438.466477][T10692]  show_stack+0x2c/0x44
[  438.467598][T10692]  dump_stack_lvl+0xd0/0x124
[  438.468810][T10692]  dump_stack+0x1c/0x28
[  438.469917][T10692]  sysfs_create_dir_ns+0x278/0x318
[  438.471309][T10692]  kobject_add_internal+0x514/0xadc
[  438.472753][T10692]  kobject_add+0x14c/0x224
[  438.473936][T10692]  device_add+0x3a0/0xaac
[  438.475095][T10692]  device_register+0x28/0x38
[  438.476326][T10692]  tty_register_device_attr+0x3a4/0x7d4
[  438.477788][T10692]  tty_register_device+0x3c/0x50
[  438.479133][T10692]  gsm_activate_mux+0xdc/0x268
[  438.480421][T10692]  gsmld_ioctl+0x16f0/0x2310
[  438.481603][T10692]  tty_ioctl+0x924/0xd8c
[  438.482737][T10692]  __arm64_sys_ioctl+0x14c/0x1c8
[  438.484078][T10692]  invoke_syscall+0x98/0x2b8
[  438.485303][T10692]  el0_svc_common+0x130/0x23c
[  438.486569][T10692]  do_el0_svc+0x48/0x58
[  438.487730][T10692]  el0_svc+0x58/0x16c
[  438.488801][T10692]  el0t_64_sync_handler+0x84/0xfc
[  438.490193][T10692]  el0t_64_sync+0x190/0x194
[  438.525816][T10692] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  438.872543][T10705] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  438.875824][T10705] CPU: 0 PID: 10705 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  438.878686][T10705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  438.881375][T10705] Call trace:
[  438.882274][T10705]  dump_backtrace+0x1b8/0x1e4
[  438.883486][T10705]  show_stack+0x2c/0x44
[  438.884628][T10705]  dump_stack_lvl+0xd0/0x124
[  438.885918][T10705]  dump_stack+0x1c/0x28
[  438.887020][T10705]  sysfs_create_dir_ns+0x278/0x318
[  438.888416][T10705]  kobject_add_internal+0x514/0xadc
[  438.889824][T10705]  kobject_add+0x14c/0x224
[  438.891021][T10705]  device_add+0x3a0/0xaac
[  438.892232][T10705]  device_register+0x28/0x38
[  438.893496][T10705]  tty_register_device_attr+0x3a4/0x7d4
[  438.894974][T10705]  tty_register_device+0x3c/0x50
[  438.896254][T10705]  gsm_activate_mux+0xdc/0x268
[  438.897524][T10705]  gsmld_ioctl+0x16f0/0x2310
[  438.898776][T10705]  tty_ioctl+0x924/0xd8c
[  438.899898][T10705]  __arm64_sys_ioctl+0x14c/0x1c8
[  438.901164][T10705]  invoke_syscall+0x98/0x2b8
[  438.902388][T10705]  el0_svc_common+0x130/0x23c
[  438.903616][T10705]  do_el0_svc+0x48/0x58
[  438.904763][T10705]  el0_svc+0x58/0x16c
[  438.905823][T10705]  el0t_64_sync_handler+0x84/0xfc
[  438.907172][T10705]  el0t_64_sync+0x190/0x194
[  438.957878][T10705] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  439.364129][T10708] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  439.367728][T10708] CPU: 1 PID: 10708 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  439.370600][T10708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  439.373441][T10708] Call trace:
[  439.374295][T10708]  dump_backtrace+0x1b8/0x1e4
[  439.375581][T10708]  show_stack+0x2c/0x44
[  439.376657][T10708]  dump_stack_lvl+0xd0/0x124
[  439.377884][T10708]  dump_stack+0x1c/0x28
[  439.378984][T10708]  sysfs_create_dir_ns+0x278/0x318
[  439.380339][T10708]  kobject_add_internal+0x514/0xadc
[  439.381745][T10708]  kobject_add+0x14c/0x224
[  439.382957][T10708]  device_add+0x3a0/0xaac
[  439.384113][T10708]  device_register+0x28/0x38
[  439.385306][T10708]  tty_register_device_attr+0x3a4/0x7d4
[  439.386812][T10708]  tty_register_device+0x3c/0x50
[  439.388189][T10708]  gsm_activate_mux+0xdc/0x268
[  439.389484][T10708]  gsmld_ioctl+0x16f0/0x2310
[  439.390705][T10708]  tty_ioctl+0x924/0xd8c
[  439.391806][T10708]  __arm64_sys_ioctl+0x14c/0x1c8
[  439.393158][T10708]  invoke_syscall+0x98/0x2b8
[  439.394413][T10708]  el0_svc_common+0x130/0x23c
[  439.395776][T10708]  do_el0_svc+0x48/0x58
[  439.396880][T10708]  el0_svc+0x58/0x16c
[  439.397944][T10708]  el0t_64_sync_handler+0x84/0xfc
[  439.399329][T10708]  el0t_64_sync+0x190/0x194
[  439.402050][T10708] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  439.849346][T10711] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  439.851612][T10711] CPU: 0 PID: 10711 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  439.854464][T10711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  439.857003][T10711] Call trace:
[  439.857993][T10711]  dump_backtrace+0x1b8/0x1e4
[  439.859222][T10711]  show_stack+0x2c/0x44
[  439.860333][T10711]  dump_stack_lvl+0xd0/0x124
[  439.861513][T10711]  dump_stack+0x1c/0x28
[  439.862636][T10711]  sysfs_create_dir_ns+0x278/0x318
[  439.863978][T10711]  kobject_add_internal+0x514/0xadc
[  439.865386][T10711]  kobject_add+0x14c/0x224
[  439.866568][T10711]  device_add+0x3a0/0xaac
[  439.867698][T10711]  device_register+0x28/0x38
[  439.868949][T10711]  tty_register_device_attr+0x3a4/0x7d4
[  439.870434][T10711]  tty_register_device+0x3c/0x50
[  439.871777][T10711]  gsm_activate_mux+0xdc/0x268
[  439.873077][T10711]  gsmld_ioctl+0x16f0/0x2310
[  439.874282][T10711]  tty_ioctl+0x924/0xd8c
[  439.875411][T10711]  __arm64_sys_ioctl+0x14c/0x1c8
[  439.876698][T10711]  invoke_syscall+0x98/0x2b8
[  439.877924][T10711]  el0_svc_common+0x130/0x23c
[  439.879184][T10711]  do_el0_svc+0x48/0x58
[  439.880254][T10711]  el0_svc+0x58/0x16c
[  439.881286][T10711]  el0t_64_sync_handler+0x84/0xfc
[  439.882646][T10711]  el0t_64_sync+0x190/0x194
[  439.905986][T10711] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  440.136815][T10715] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  440.139069][T10715] CPU: 0 PID: 10715 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  440.141837][T10715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  440.144529][T10715] Call trace:
[  440.145431][T10715]  dump_backtrace+0x1b8/0x1e4
[  440.146743][T10715]  show_stack+0x2c/0x44
[  440.147851][T10715]  dump_stack_lvl+0xd0/0x124
[  440.149080][T10715]  dump_stack+0x1c/0x28
[  440.150174][T10715]  sysfs_create_dir_ns+0x278/0x318
[  440.151681][T10715]  kobject_add_internal+0x514/0xadc
[  440.153108][T10715]  kobject_add+0x14c/0x224
[  440.154295][T10715]  device_add+0x3a0/0xaac
[  440.155447][T10715]  device_register+0x28/0x38
[  440.156684][T10715]  tty_register_device_attr+0x3a4/0x7d4
[  440.158149][T10715]  tty_register_device+0x3c/0x50
[  440.159460][T10715]  gsm_activate_mux+0xdc/0x268
[  440.160756][T10715]  gsmld_ioctl+0x16f0/0x2310
[  440.161932][T10715]  tty_ioctl+0x924/0xd8c
[  440.163032][T10715]  __arm64_sys_ioctl+0x14c/0x1c8
[  440.164356][T10715]  invoke_syscall+0x98/0x2b8
[  440.165625][T10715]  el0_svc_common+0x130/0x23c
[  440.166894][T10715]  do_el0_svc+0x48/0x58
[  440.168029][T10715]  el0_svc+0x58/0x16c
[  440.169086][T10715]  el0t_64_sync_handler+0x84/0xfc
[  440.170426][T10715]  el0t_64_sync+0x190/0x194
[  440.176843][T10715] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  440.191617][T10715] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  440.193808][T10715] CPU: 0 PID: 10715 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  440.196631][T10715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  440.199382][T10715] Call trace:
[  440.200234][T10715]  dump_backtrace+0x1b8/0x1e4
[  440.201497][T10715]  show_stack+0x2c/0x44
[  440.202680][T10715]  dump_stack_lvl+0xd0/0x124
[  440.203960][T10715]  dump_stack+0x1c/0x28
[  440.205056][T10715]  sysfs_create_dir_ns+0x278/0x318
[  440.206448][T10715]  kobject_add_internal+0x514/0xadc
[  440.207879][T10715]  kobject_add+0x14c/0x224
[  440.209064][T10715]  device_add+0x3a0/0xaac
[  440.210263][T10715]  device_register+0x28/0x38
[  440.211548][T10715]  tty_register_device_attr+0x3a4/0x7d4
[  440.213059][T10715]  tty_register_device+0x3c/0x50
[  440.214411][T10715]  gsm_activate_mux+0xdc/0x268
[  440.215695][T10715]  gsmld_ioctl+0x16f0/0x2310
[  440.216934][T10715]  tty_ioctl+0x924/0xd8c
[  440.218078][T10715]  __arm64_sys_ioctl+0x14c/0x1c8
[  440.219393][T10715]  invoke_syscall+0x98/0x2b8
[  440.220641][T10715]  el0_svc_common+0x130/0x23c
[  440.221993][T10715]  do_el0_svc+0x48/0x58
[  440.223144][T10715]  el0_svc+0x58/0x16c
[  440.224231][T10715]  el0t_64_sync_handler+0x84/0xfc
[  440.225631][T10715]  el0t_64_sync+0x190/0x194
[  440.230876][T10715] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  440.551765][T10719] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  440.557176][T10719] CPU: 1 PID: 10719 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  440.559946][T10719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  440.562579][T10719] Call trace:
[  440.563381][T10719]  dump_backtrace+0x1b8/0x1e4
[  440.564574][T10719]  show_stack+0x2c/0x44
[  440.565648][T10719]  dump_stack_lvl+0xd0/0x124
[  440.566847][T10719]  dump_stack+0x1c/0x28
[  440.567944][T10719]  sysfs_create_dir_ns+0x278/0x318
[  440.569306][T10719]  kobject_add_internal+0x514/0xadc
[  440.570695][T10719]  kobject_add+0x14c/0x224
[  440.571890][T10719]  device_add+0x3a0/0xaac
[  440.573068][T10719]  device_register+0x28/0x38
[  440.574256][T10719]  tty_register_device_attr+0x3a4/0x7d4
[  440.575759][T10719]  tty_register_device+0x3c/0x50
[  440.577093][T10719]  gsm_activate_mux+0xdc/0x268
[  440.578378][T10719]  gsmld_ioctl+0x16f0/0x2310
[  440.579745][T10719]  tty_ioctl+0x924/0xd8c
[  440.580930][T10719]  __arm64_sys_ioctl+0x14c/0x1c8
[  440.582276][T10719]  invoke_syscall+0x98/0x2b8
[  440.583516][T10719]  el0_svc_common+0x130/0x23c
[  440.584813][T10719]  do_el0_svc+0x48/0x58
[  440.585934][T10719]  el0_svc+0x58/0x16c
[  440.587023][T10719]  el0t_64_sync_handler+0x84/0xfc
[  440.588415][T10719]  el0t_64_sync+0x190/0x194
[  440.605901][T10719] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  440.842180][T10722] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  440.844987][T10722] CPU: 1 PID: 10722 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  440.847823][T10722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  440.850686][T10722] Call trace:
[  440.851546][T10722]  dump_backtrace+0x1b8/0x1e4
[  440.852859][T10722]  show_stack+0x2c/0x44
[  440.853991][T10722]  dump_stack_lvl+0xd0/0x124
[  440.855291][T10722]  dump_stack+0x1c/0x28
[  440.856457][T10722]  sysfs_create_dir_ns+0x278/0x318
[  440.857862][T10722]  kobject_add_internal+0x514/0xadc
[  440.859297][T10722]  kobject_add+0x14c/0x224
[  440.860531][T10722]  device_add+0x3a0/0xaac
[  440.861742][T10722]  device_register+0x28/0x38
[  440.863004][T10722]  tty_register_device_attr+0x3a4/0x7d4
[  440.864549][T10722]  tty_register_device+0x3c/0x50
[  440.865907][T10722]  gsm_activate_mux+0xdc/0x268
[  440.867177][T10722]  gsmld_ioctl+0x16f0/0x2310
[  440.868477][T10722]  tty_ioctl+0x924/0xd8c
[  440.869678][T10722]  __arm64_sys_ioctl+0x14c/0x1c8
[  440.871031][T10722]  invoke_syscall+0x98/0x2b8
[  440.872316][T10722]  el0_svc_common+0x130/0x23c
[  440.873629][T10722]  do_el0_svc+0x48/0x58
[  440.874773][T10722]  el0_svc+0x58/0x16c
[  440.875861][T10722]  el0t_64_sync_handler+0x84/0xfc
[  440.877242][T10722]  el0t_64_sync+0x190/0x194
[  440.882837][T10722] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  441.238594][T10725] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  441.240812][T10725] CPU: 0 PID: 10725 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  441.243521][T10725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  441.246111][T10725] Call trace:
[  441.247039][T10725]  dump_backtrace+0x1b8/0x1e4
[  441.248330][T10725]  show_stack+0x2c/0x44
[  441.249441][T10725]  dump_stack_lvl+0xd0/0x124
[  441.250648][T10725]  dump_stack+0x1c/0x28
[  441.251696][T10725]  sysfs_create_dir_ns+0x278/0x318
[  441.253070][T10725]  kobject_add_internal+0x514/0xadc
[  441.254420][T10725]  kobject_add+0x14c/0x224
[  441.255624][T10725]  device_add+0x3a0/0xaac
[  441.256764][T10725]  device_register+0x28/0x38
[  441.257963][T10725]  tty_register_device_attr+0x3a4/0x7d4
[  441.259410][T10725]  tty_register_device+0x3c/0x50
[  441.260731][T10725]  gsm_activate_mux+0xdc/0x268
[  441.261990][T10725]  gsmld_ioctl+0x16f0/0x2310
[  441.263198][T10725]  tty_ioctl+0x924/0xd8c
[  441.264332][T10725]  __arm64_sys_ioctl+0x14c/0x1c8
[  441.265671][T10725]  invoke_syscall+0x98/0x2b8
[  441.266851][T10725]  el0_svc_common+0x130/0x23c
[  441.268066][T10725]  do_el0_svc+0x48/0x58
[  441.269216][T10725]  el0_svc+0x58/0x16c
[  441.270350][T10725]  el0t_64_sync_handler+0x84/0xfc
[  441.271699][T10725]  el0t_64_sync+0x190/0x194
[  441.274489][T10725] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  441.528741][T10728] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  441.533539][T10728] CPU: 1 PID: 10728 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  441.536598][T10728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  441.539390][T10728] Call trace:
[  441.540302][T10728]  dump_backtrace+0x1b8/0x1e4
[  441.541582][T10728]  show_stack+0x2c/0x44
[  441.542706][T10728]  dump_stack_lvl+0xd0/0x124
[  441.543958][T10728]  dump_stack+0x1c/0x28
[  441.545101][T10728]  sysfs_create_dir_ns+0x278/0x318
[  441.546571][T10728]  kobject_add_internal+0x514/0xadc
[  441.547989][T10728]  kobject_add+0x14c/0x224
[  441.549184][T10728]  device_add+0x3a0/0xaac
[  441.550385][T10728]  device_register+0x28/0x38
[  441.551619][T10728]  tty_register_device_attr+0x3a4/0x7d4
[  441.553157][T10728]  tty_register_device+0x3c/0x50
[  441.554496][T10728]  gsm_activate_mux+0xdc/0x268
[  441.555790][T10728]  gsmld_ioctl+0x16f0/0x2310
[  441.557032][T10728]  tty_ioctl+0x924/0xd8c
[  441.558168][T10728]  __arm64_sys_ioctl+0x14c/0x1c8
[  441.559525][T10728]  invoke_syscall+0x98/0x2b8
[  441.560778][T10728]  el0_svc_common+0x130/0x23c
[  441.562079][T10728]  do_el0_svc+0x48/0x58
[  441.563177][T10728]  el0_svc+0x58/0x16c
[  441.564301][T10728]  el0t_64_sync_handler+0x84/0xfc
[  441.565632][T10728]  el0t_64_sync+0x190/0x194
[  441.578465][T10728] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  441.583544][T10729] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  441.589164][T10729] CPU: 0 PID: 10729 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  441.592015][T10729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  441.594780][T10729] Call trace:
[  441.595683][T10729]  dump_backtrace+0x1b8/0x1e4
[  441.596969][T10729]  show_stack+0x2c/0x44
[  441.598103][T10729]  dump_stack_lvl+0xd0/0x124
[  441.599323][T10729]  dump_stack+0x1c/0x28
[  441.600413][T10729]  sysfs_create_dir_ns+0x278/0x318
[  441.601793][T10729]  kobject_add_internal+0x514/0xadc
[  441.603134][T10729]  kobject_add+0x14c/0x224
[  441.604338][T10729]  device_add+0x3a0/0xaac
[  441.605553][T10729]  device_register+0x28/0x38
[  441.606776][T10729]  tty_register_device_attr+0x3a4/0x7d4
[  441.608282][T10729]  tty_register_device+0x3c/0x50
[  441.609611][T10729]  gsm_activate_mux+0xdc/0x268
[  441.610856][T10729]  gsmld_ioctl+0x16f0/0x2310
[  441.612086][T10729]  tty_ioctl+0x924/0xd8c
[  441.613270][T10729]  __arm64_sys_ioctl+0x14c/0x1c8
[  441.614570][T10729]  invoke_syscall+0x98/0x2b8
[  441.615824][T10729]  el0_svc_common+0x130/0x23c
[  441.617075][T10729]  do_el0_svc+0x48/0x58
[  441.618209][T10729]  el0_svc+0x58/0x16c
[  441.619292][T10729]  el0t_64_sync_handler+0x84/0xfc
[  441.620687][T10729]  el0t_64_sync+0x190/0x194
[  441.622750][T10729] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  441.945011][T10731] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  441.948159][T10731] CPU: 1 PID: 10731 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  441.951094][T10731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  441.953820][T10731] Call trace:
[  441.954711][T10731]  dump_backtrace+0x1b8/0x1e4
[  441.955959][T10731]  show_stack+0x2c/0x44
[  441.957054][T10731]  dump_stack_lvl+0xd0/0x124
[  441.958341][T10731]  dump_stack+0x1c/0x28
[  441.959449][T10731]  sysfs_create_dir_ns+0x278/0x318
[  441.960828][T10731]  kobject_add_internal+0x514/0xadc
[  441.962234][T10731]  kobject_add+0x14c/0x224
[  441.963435][T10731]  device_add+0x3a0/0xaac
[  441.964638][T10731]  device_register+0x28/0x38
[  441.965872][T10731]  tty_register_device_attr+0x3a4/0x7d4
[  441.967405][T10731]  tty_register_device+0x3c/0x50
[  441.968788][T10731]  gsm_activate_mux+0xdc/0x268
[  441.970123][T10731]  gsmld_ioctl+0x16f0/0x2310
[  441.971380][T10731]  tty_ioctl+0x924/0xd8c
[  441.972520][T10731]  __arm64_sys_ioctl+0x14c/0x1c8
[  441.973877][T10731]  invoke_syscall+0x98/0x2b8
[  441.975127][T10731]  el0_svc_common+0x130/0x23c
[  441.976403][T10731]  do_el0_svc+0x48/0x58
[  441.977528][T10731]  el0_svc+0x58/0x16c
[  441.978613][T10731]  el0t_64_sync_handler+0x84/0xfc
[  441.979939][T10731]  el0t_64_sync+0x190/0x194
[  441.990724][T10731] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  442.407798][T10735] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  442.411029][T10735] CPU: 1 PID: 10735 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  442.413716][T10735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  442.416354][T10735] Call trace:
[  442.417232][T10735]  dump_backtrace+0x1b8/0x1e4
[  442.418488][T10735]  show_stack+0x2c/0x44
[  442.419666][T10735]  dump_stack_lvl+0xd0/0x124
[  442.420900][T10735]  dump_stack+0x1c/0x28
[  442.422053][T10735]  sysfs_create_dir_ns+0x278/0x318
[  442.423420][T10735]  kobject_add_internal+0x514/0xadc
[  442.424882][T10735]  kobject_add+0x14c/0x224
[  442.426070][T10735]  device_add+0x3a0/0xaac
[  442.427264][T10735]  device_register+0x28/0x38
[  442.428466][T10735]  tty_register_device_attr+0x3a4/0x7d4
[  442.429996][T10735]  tty_register_device+0x3c/0x50
[  442.431323][T10735]  gsm_activate_mux+0xdc/0x268
[  442.432632][T10735]  gsmld_ioctl+0x16f0/0x2310
[  442.433866][T10735]  tty_ioctl+0x924/0xd8c
[  442.435016][T10735]  __arm64_sys_ioctl+0x14c/0x1c8
[  442.436333][T10735]  invoke_syscall+0x98/0x2b8
[  442.437587][T10735]  el0_svc_common+0x130/0x23c
[  442.438825][T10735]  do_el0_svc+0x48/0x58
[  442.439916][T10735]  el0_svc+0x58/0x16c
[  442.440965][T10735]  el0t_64_sync_handler+0x84/0xfc
[  442.442297][T10735]  el0t_64_sync+0x190/0x194
[  442.444571][T10735] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  442.706976][T10738] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  442.709333][T10738] CPU: 0 PID: 10738 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  442.712054][T10738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  442.714710][T10738] Call trace:
[  442.715571][T10738]  dump_backtrace+0x1b8/0x1e4
[  442.716852][T10738]  show_stack+0x2c/0x44
[  442.717924][T10738]  dump_stack_lvl+0xd0/0x124
[  442.719205][T10738]  dump_stack+0x1c/0x28
[  442.720338][T10738]  sysfs_create_dir_ns+0x278/0x318
[  442.721699][T10738]  kobject_add_internal+0x514/0xadc
[  442.723015][T10738]  kobject_add+0x14c/0x224
[  442.724289][T10738]  device_add+0x3a0/0xaac
[  442.725500][T10738]  device_register+0x28/0x38
[  442.726711][T10738]  tty_register_device_attr+0x3a4/0x7d4
[  442.728203][T10738]  tty_register_device+0x3c/0x50
[  442.729534][T10738]  gsm_activate_mux+0xdc/0x268
[  442.730792][T10738]  gsmld_ioctl+0x16f0/0x2310
[  442.731992][T10738]  tty_ioctl+0x924/0xd8c
[  442.733147][T10738]  __arm64_sys_ioctl+0x14c/0x1c8
[  442.734508][T10738]  invoke_syscall+0x98/0x2b8
[  442.735716][T10738]  el0_svc_common+0x130/0x23c
[  442.736966][T10738]  do_el0_svc+0x48/0x58
[  442.738088][T10738]  el0_svc+0x58/0x16c
[  442.739158][T10738]  el0t_64_sync_handler+0x84/0xfc
[  442.740529][T10738]  el0t_64_sync+0x190/0x194
[  442.744430][T10738] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  442.941623][T10741] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  442.945779][T10741] CPU: 1 PID: 10741 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  442.948616][T10741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  442.951301][T10741] Call trace:
[  442.952144][T10741]  dump_backtrace+0x1b8/0x1e4
[  442.953414][T10741]  show_stack+0x2c/0x44
[  442.954572][T10741]  dump_stack_lvl+0xd0/0x124
[  442.955825][T10741]  dump_stack+0x1c/0x28
[  442.956950][T10741]  sysfs_create_dir_ns+0x278/0x318
[  442.958359][T10741]  kobject_add_internal+0x514/0xadc
[  442.959772][T10741]  kobject_add+0x14c/0x224
[  442.960956][T10741]  device_add+0x3a0/0xaac
[  442.962220][T10741]  device_register+0x28/0x38
[  442.963430][T10741]  tty_register_device_attr+0x3a4/0x7d4
[  442.964902][T10741]  tty_register_device+0x3c/0x50
[  442.966201][T10741]  gsm_activate_mux+0xdc/0x268
[  442.967501][T10741]  gsmld_ioctl+0x16f0/0x2310
[  442.968729][T10741]  tty_ioctl+0x924/0xd8c
[  442.969830][T10741]  __arm64_sys_ioctl+0x14c/0x1c8
[  442.971164][T10741]  invoke_syscall+0x98/0x2b8
[  442.972351][T10741]  el0_svc_common+0x130/0x23c
[  442.973626][T10741]  do_el0_svc+0x48/0x58
[  442.974676][T10741]  el0_svc+0x58/0x16c
[  442.975754][T10741]  el0t_64_sync_handler+0x84/0xfc
[  442.977078][T10741]  el0t_64_sync+0x190/0x194
[  442.992997][T10741] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  443.172651][T10744] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  443.176040][T10744] CPU: 1 PID: 10744 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  443.178896][T10744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  443.181685][T10744] Call trace:
[  443.182596][T10744]  dump_backtrace+0x1b8/0x1e4
[  443.183861][T10744]  show_stack+0x2c/0x44
[  443.185026][T10744]  dump_stack_lvl+0xd0/0x124
[  443.186295][T10744]  dump_stack+0x1c/0x28
[  443.187455][T10744]  sysfs_create_dir_ns+0x278/0x318
[  443.188954][T10744]  kobject_add_internal+0x514/0xadc
[  443.190358][T10744]  kobject_add+0x14c/0x224
[  443.191597][T10744]  device_add+0x3a0/0xaac
[  443.192695][T10744]  device_register+0x28/0x38
[  443.194009][T10744]  tty_register_device_attr+0x3a4/0x7d4
[  443.195527][T10744]  tty_register_device+0x3c/0x50
[  443.196846][T10744]  gsm_activate_mux+0xdc/0x268
[  443.198139][T10744]  gsmld_ioctl+0x16f0/0x2310
[  443.199442][T10744]  tty_ioctl+0x924/0xd8c
[  443.200622][T10744]  __arm64_sys_ioctl+0x14c/0x1c8
[  443.201977][T10744]  invoke_syscall+0x98/0x2b8
[  443.203208][T10744]  el0_svc_common+0x130/0x23c
[  443.204462][T10744]  do_el0_svc+0x48/0x58
[  443.205619][T10744]  el0_svc+0x58/0x16c
[  443.206743][T10744]  el0t_64_sync_handler+0x84/0xfc
[  443.208113][T10744]  el0t_64_sync+0x190/0x194
[  443.213923][T10744] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  443.218704][T10744] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  443.221144][T10744] CPU: 1 PID: 10744 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  443.224019][T10744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  443.226784][T10744] Call trace:
[  443.227703][T10744]  dump_backtrace+0x1b8/0x1e4
[  443.229064][T10744]  show_stack+0x2c/0x44
[  443.230241][T10744]  dump_stack_lvl+0xd0/0x124
[  443.231513][T10744]  dump_stack+0x1c/0x28
[  443.232713][T10744]  sysfs_create_dir_ns+0x278/0x318
[  443.234108][T10744]  kobject_add_internal+0x514/0xadc
[  443.235527][T10744]  kobject_add+0x14c/0x224
[  443.236723][T10744]  device_add+0x3a0/0xaac
[  443.237947][T10744]  device_register+0x28/0x38
[  443.239226][T10744]  tty_register_device_attr+0x3a4/0x7d4
[  443.240749][T10744]  tty_register_device+0x3c/0x50
[  443.242110][T10744]  gsm_activate_mux+0xdc/0x268
[  443.243392][T10744]  gsmld_ioctl+0x16f0/0x2310
[  443.244739][T10744]  tty_ioctl+0x924/0xd8c
[  443.245904][T10744]  __arm64_sys_ioctl+0x14c/0x1c8
[  443.247260][T10744]  invoke_syscall+0x98/0x2b8
[  443.248468][T10744]  el0_svc_common+0x130/0x23c
[  443.249747][T10744]  do_el0_svc+0x48/0x58
[  443.250925][T10744]  el0_svc+0x58/0x16c
[  443.251986][T10744]  el0t_64_sync_handler+0x84/0xfc
[  443.253326][T10744]  el0t_64_sync+0x190/0x194
[  443.257298][T10744] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  443.426093][T10747] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  443.428377][T10747] CPU: 1 PID: 10747 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  443.431117][T10747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  443.433732][T10747] Call trace:
[  443.434601][T10747]  dump_backtrace+0x1b8/0x1e4
[  443.435931][T10747]  show_stack+0x2c/0x44
[  443.437036][T10747]  dump_stack_lvl+0xd0/0x124
[  443.438243][T10747]  dump_stack+0x1c/0x28
[  443.439374][T10747]  sysfs_create_dir_ns+0x278/0x318
[  443.440754][T10747]  kobject_add_internal+0x514/0xadc
[  443.442179][T10747]  kobject_add+0x14c/0x224
[  443.443397][T10747]  device_add+0x3a0/0xaac
[  443.444569][T10747]  device_register+0x28/0x38
[  443.445840][T10747]  tty_register_device_attr+0x3a4/0x7d4
[  443.447356][T10747]  tty_register_device+0x3c/0x50
[  443.448709][T10747]  gsm_activate_mux+0xdc/0x268
[  443.450060][T10747]  gsmld_ioctl+0x16f0/0x2310
[  443.451298][T10747]  tty_ioctl+0x924/0xd8c
[  443.452430][T10747]  __arm64_sys_ioctl+0x14c/0x1c8
[  443.453769][T10747]  invoke_syscall+0x98/0x2b8
[  443.454987][T10747]  el0_svc_common+0x130/0x23c
[  443.456244][T10747]  do_el0_svc+0x48/0x58
[  443.457383][T10747]  el0_svc+0x58/0x16c
[  443.458457][T10747]  el0t_64_sync_handler+0x84/0xfc
[  443.459871][T10747]  el0t_64_sync+0x190/0x194
[  443.467285][T10747] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  443.656047][T10750] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  443.658433][T10750] CPU: 1 PID: 10750 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  443.661223][T10750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  443.663957][T10750] Call trace:
[  443.664791][T10750]  dump_backtrace+0x1b8/0x1e4
[  443.666029][T10750]  show_stack+0x2c/0x44
[  443.667160][T10750]  dump_stack_lvl+0xd0/0x124
[  443.668375][T10750]  dump_stack+0x1c/0x28
[  443.669490][T10750]  sysfs_create_dir_ns+0x278/0x318
[  443.670904][T10750]  kobject_add_internal+0x514/0xadc
[  443.672257][T10750]  kobject_add+0x14c/0x224
[  443.673454][T10750]  device_add+0x3a0/0xaac
[  443.674651][T10750]  device_register+0x28/0x38
[  443.675916][T10750]  tty_register_device_attr+0x3a4/0x7d4
[  443.677444][T10750]  tty_register_device+0x3c/0x50
[  443.678814][T10750]  gsm_activate_mux+0xdc/0x268
[  443.680075][T10750]  gsmld_ioctl+0x16f0/0x2310
[  443.681381][T10750]  tty_ioctl+0x924/0xd8c
[  443.682540][T10750]  __arm64_sys_ioctl+0x14c/0x1c8
[  443.683868][T10750]  invoke_syscall+0x98/0x2b8
[  443.685071][T10750]  el0_svc_common+0x130/0x23c
[  443.686377][T10750]  do_el0_svc+0x48/0x58
[  443.687548][T10750]  el0_svc+0x58/0x16c
[  443.688679][T10750]  el0t_64_sync_handler+0x84/0xfc
[  443.690066][T10750]  el0t_64_sync+0x190/0x194
[  443.696727][T10750] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  443.883510][T10753] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  443.887596][T10753] CPU: 0 PID: 10753 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  443.890288][T10753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  443.892969][T10753] Call trace:
[  443.893859][T10753]  dump_backtrace+0x1b8/0x1e4
[  443.895139][T10753]  show_stack+0x2c/0x44
[  443.896288][T10753]  dump_stack_lvl+0xd0/0x124
[  443.897553][T10753]  dump_stack+0x1c/0x28
[  443.898707][T10753]  sysfs_create_dir_ns+0x278/0x318
[  443.900111][T10753]  kobject_add_internal+0x514/0xadc
[  443.901577][T10753]  kobject_add+0x14c/0x224
[  443.902778][T10753]  device_add+0x3a0/0xaac
[  443.903912][T10753]  device_register+0x28/0x38
[  443.905156][T10753]  tty_register_device_attr+0x3a4/0x7d4
[  443.906665][T10753]  tty_register_device+0x3c/0x50
[  443.908101][T10753]  gsm_activate_mux+0xdc/0x268
[  443.909425][T10753]  gsmld_ioctl+0x16f0/0x2310
[  443.910666][T10753]  tty_ioctl+0x924/0xd8c
[  443.911794][T10753]  __arm64_sys_ioctl+0x14c/0x1c8
[  443.913155][T10753]  invoke_syscall+0x98/0x2b8
[  443.914368][T10753]  el0_svc_common+0x130/0x23c
[  443.915638][T10753]  do_el0_svc+0x48/0x58
[  443.916722][T10753]  el0_svc+0x58/0x16c
[  443.917759][T10753]  el0t_64_sync_handler+0x84/0xfc
[  443.919145][T10753]  el0t_64_sync+0x190/0x194
[  443.922332][T10753] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  444.129945][T10756] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  444.136746][T10756] CPU: 0 PID: 10756 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  444.139584][T10756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  444.142231][T10756] Call trace:
[  444.143066][T10756]  dump_backtrace+0x1b8/0x1e4
[  444.144282][T10756]  show_stack+0x2c/0x44
[  444.145359][T10756]  dump_stack_lvl+0xd0/0x124
[  444.146524][T10756]  dump_stack+0x1c/0x28
[  444.147641][T10756]  sysfs_create_dir_ns+0x278/0x318
[  444.149104][T10756]  kobject_add_internal+0x514/0xadc
[  444.150504][T10756]  kobject_add+0x14c/0x224
[  444.151695][T10756]  device_add+0x3a0/0xaac
[  444.152840][T10756]  device_register+0x28/0x38
[  444.154082][T10756]  tty_register_device_attr+0x3a4/0x7d4
[  444.155616][T10756]  tty_register_device+0x3c/0x50
[  444.156963][T10756]  gsm_activate_mux+0xdc/0x268
[  444.158238][T10756]  gsmld_ioctl+0x16f0/0x2310
[  444.159471][T10756]  tty_ioctl+0x924/0xd8c
[  444.160633][T10756]  __arm64_sys_ioctl+0x14c/0x1c8
[  444.161949][T10756]  invoke_syscall+0x98/0x2b8
[  444.163083][T10756]  el0_svc_common+0x130/0x23c
[  444.164340][T10756]  do_el0_svc+0x48/0x58
[  444.165499][T10756]  el0_svc+0x58/0x16c
[  444.166581][T10756]  el0t_64_sync_handler+0x84/0xfc
[  444.167918][T10756]  el0t_64_sync+0x190/0x194
[  444.175063][T10756] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  444.181597][T10757] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  444.188472][T10757] CPU: 1 PID: 10757 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  444.191417][T10757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  444.194139][T10757] Call trace:
[  444.195014][T10757]  dump_backtrace+0x1b8/0x1e4
[  444.196291][T10757]  show_stack+0x2c/0x44
[  444.197379][T10757]  dump_stack_lvl+0xd0/0x124
[  444.198605][T10757]  dump_stack+0x1c/0x28
[  444.199750][T10757]  sysfs_create_dir_ns+0x278/0x318
[  444.201109][T10757]  kobject_add_internal+0x514/0xadc
[  444.202468][T10757]  kobject_add+0x14c/0x224
[  444.203665][T10757]  device_add+0x3a0/0xaac
[  444.204816][T10757]  device_register+0x28/0x38
[  444.206070][T10757]  tty_register_device_attr+0x3a4/0x7d4
[  444.207584][T10757]  tty_register_device+0x3c/0x50
[  444.208914][T10757]  gsm_activate_mux+0xdc/0x268
[  444.210179][T10757]  gsmld_ioctl+0x16f0/0x2310
[  444.211393][T10757]  tty_ioctl+0x924/0xd8c
[  444.212576][T10757]  __arm64_sys_ioctl+0x14c/0x1c8
[  444.213915][T10757]  invoke_syscall+0x98/0x2b8
[  444.215168][T10757]  el0_svc_common+0x130/0x23c
[  444.216424][T10757]  do_el0_svc+0x48/0x58
[  444.217528][T10757]  el0_svc+0x58/0x16c
[  444.218593][T10757]  el0t_64_sync_handler+0x84/0xfc
[  444.219948][T10757]  el0t_64_sync+0x190/0x194
[  444.221574][T10757] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  444.536930][T10760] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  444.539199][T10760] CPU: 0 PID: 10760 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  444.541841][T10760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  444.544448][T10760] Call trace:
[  444.545264][T10760]  dump_backtrace+0x1b8/0x1e4
[  444.546493][T10760]  show_stack+0x2c/0x44
[  444.547583][T10760]  dump_stack_lvl+0xd0/0x124
[  444.548756][T10760]  dump_stack+0x1c/0x28
[  444.549820][T10760]  sysfs_create_dir_ns+0x278/0x318
[  444.551199][T10760]  kobject_add_internal+0x514/0xadc
[  444.552621][T10760]  kobject_add+0x14c/0x224
[  444.553779][T10760]  device_add+0x3a0/0xaac
[  444.554914][T10760]  device_register+0x28/0x38
[  444.556169][T10760]  tty_register_device_attr+0x3a4/0x7d4
[  444.557713][T10760]  tty_register_device+0x3c/0x50
[  444.559103][T10760]  gsm_activate_mux+0xdc/0x268
[  444.560326][T10760]  gsmld_ioctl+0x16f0/0x2310
[  444.561623][T10760]  tty_ioctl+0x924/0xd8c
[  444.562776][T10760]  __arm64_sys_ioctl+0x14c/0x1c8
[  444.564112][T10760]  invoke_syscall+0x98/0x2b8
[  444.565336][T10760]  el0_svc_common+0x130/0x23c
[  444.566547][T10760]  do_el0_svc+0x48/0x58
[  444.567627][T10760]  el0_svc+0x58/0x16c
[  444.568670][T10760]  el0t_64_sync_handler+0x84/0xfc
[  444.569964][T10760]  el0t_64_sync+0x190/0x194
[  444.581392][T10760] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  444.826818][T10763] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  444.829124][T10763] CPU: 1 PID: 10763 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  444.831837][T10763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  444.834398][T10763] Call trace:
[  444.835216][T10763]  dump_backtrace+0x1b8/0x1e4
[  444.836503][T10763]  show_stack+0x2c/0x44
[  444.837581][T10763]  dump_stack_lvl+0xd0/0x124
[  444.838807][T10763]  dump_stack+0x1c/0x28
[  444.839877][T10763]  sysfs_create_dir_ns+0x278/0x318
[  444.841273][T10763]  kobject_add_internal+0x514/0xadc
[  444.842646][T10763]  kobject_add+0x14c/0x224
[  444.843823][T10763]  device_add+0x3a0/0xaac
[  444.844955][T10763]  device_register+0x28/0x38
[  444.846231][T10763]  tty_register_device_attr+0x3a4/0x7d4
[  444.847664][T10763]  tty_register_device+0x3c/0x50
[  444.848956][T10763]  gsm_activate_mux+0xdc/0x268
[  444.850243][T10763]  gsmld_ioctl+0x16f0/0x2310
[  444.851455][T10763]  tty_ioctl+0x924/0xd8c
[  444.852634][T10763]  __arm64_sys_ioctl+0x14c/0x1c8
[  444.853994][T10763]  invoke_syscall+0x98/0x2b8
[  444.855240][T10763]  el0_svc_common+0x130/0x23c
[  444.856519][T10763]  do_el0_svc+0x48/0x58
[  444.857597][T10763]  el0_svc+0x58/0x16c
[  444.858641][T10763]  el0t_64_sync_handler+0x84/0xfc
[  444.859977][T10763]  el0t_64_sync+0x190/0x194
[  444.863525][T10763] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  445.081839][T10766] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  445.084138][T10766] CPU: 1 PID: 10766 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  445.086982][T10766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  445.089674][T10766] Call trace:
[  445.090553][T10766]  dump_backtrace+0x1b8/0x1e4
[  445.091831][T10766]  show_stack+0x2c/0x44
[  445.092980][T10766]  dump_stack_lvl+0xd0/0x124
[  445.094244][T10766]  dump_stack+0x1c/0x28
[  445.095380][T10766]  sysfs_create_dir_ns+0x278/0x318
[  445.096765][T10766]  kobject_add_internal+0x514/0xadc
[  445.098152][T10766]  kobject_add+0x14c/0x224
[  445.099357][T10766]  device_add+0x3a0/0xaac
[  445.100577][T10766]  device_register+0x28/0x38
[  445.101854][T10766]  tty_register_device_attr+0x3a4/0x7d4
[  445.103359][T10766]  tty_register_device+0x3c/0x50
[  445.104690][T10766]  gsm_activate_mux+0xdc/0x268
[  445.105981][T10766]  gsmld_ioctl+0x16f0/0x2310
[  445.107226][T10766]  tty_ioctl+0x924/0xd8c
[  445.108416][T10766]  __arm64_sys_ioctl+0x14c/0x1c8
[  445.109800][T10766]  invoke_syscall+0x98/0x2b8
[  445.111053][T10766]  el0_svc_common+0x130/0x23c
[  445.112324][T10766]  do_el0_svc+0x48/0x58
[  445.113438][T10766]  el0_svc+0x58/0x16c
[  445.114514][T10766]  el0t_64_sync_handler+0x84/0xfc
[  445.115911][T10766]  el0t_64_sync+0x190/0x194
[  445.125883][T10766] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  445.133420][T10767] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  445.136470][T10767] CPU: 1 PID: 10767 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  445.139315][T10767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  445.142034][T10767] Call trace:
[  445.142889][T10767]  dump_backtrace+0x1b8/0x1e4
[  445.144142][T10767]  show_stack+0x2c/0x44
[  445.145331][T10767]  dump_stack_lvl+0xd0/0x124
[  445.146548][T10767]  dump_stack+0x1c/0x28
[  445.147702][T10767]  sysfs_create_dir_ns+0x278/0x318
[  445.149100][T10767]  kobject_add_internal+0x514/0xadc
[  445.150508][T10767]  kobject_add+0x14c/0x224
[  445.151713][T10767]  device_add+0x3a0/0xaac
[  445.152872][T10767]  device_register+0x28/0x38
[  445.154080][T10767]  tty_register_device_attr+0x3a4/0x7d4
[  445.155579][T10767]  tty_register_device+0x3c/0x50
[  445.156949][T10767]  gsm_activate_mux+0xdc/0x268
[  445.158226][T10767]  gsmld_ioctl+0x16f0/0x2310
[  445.159445][T10767]  tty_ioctl+0x924/0xd8c
[  445.160607][T10767]  __arm64_sys_ioctl+0x14c/0x1c8
[  445.161936][T10767]  invoke_syscall+0x98/0x2b8
[  445.163188][T10767]  el0_svc_common+0x130/0x23c
[  445.164468][T10767]  do_el0_svc+0x48/0x58
[  445.165633][T10767]  el0_svc+0x58/0x16c
[  445.166699][T10767]  el0t_64_sync_handler+0x84/0xfc
[  445.168074][T10767]  el0t_64_sync+0x190/0x194
[  445.175367][T10767] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  445.343356][T10770] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  445.346909][T10770] CPU: 1 PID: 10770 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  445.349696][T10770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  445.352460][T10770] Call trace:
[  445.353357][T10770]  dump_backtrace+0x1b8/0x1e4
[  445.354686][T10770]  show_stack+0x2c/0x44
[  445.355804][T10770]  dump_stack_lvl+0xd0/0x124
[  445.357033][T10770]  dump_stack+0x1c/0x28
[  445.358138][T10770]  sysfs_create_dir_ns+0x278/0x318
[  445.359508][T10770]  kobject_add_internal+0x514/0xadc
[  445.360932][T10770]  kobject_add+0x14c/0x224
[  445.362125][T10770]  device_add+0x3a0/0xaac
[  445.363340][T10770]  device_register+0x28/0x38
[  445.364683][T10770]  tty_register_device_attr+0x3a4/0x7d4
[  445.366128][T10770]  tty_register_device+0x3c/0x50
[  445.367485][T10770]  gsm_activate_mux+0xdc/0x268
[  445.368779][T10770]  gsmld_ioctl+0x16f0/0x2310
[  445.370050][T10770]  tty_ioctl+0x924/0xd8c
[  445.371194][T10770]  __arm64_sys_ioctl+0x14c/0x1c8
[  445.372471][T10770]  invoke_syscall+0x98/0x2b8
[  445.373709][T10770]  el0_svc_common+0x130/0x23c
[  445.375020][T10770]  do_el0_svc+0x48/0x58
[  445.376126][T10770]  el0_svc+0x58/0x16c
[  445.377222][T10770]  el0t_64_sync_handler+0x84/0xfc
[  445.378623][T10770]  el0t_64_sync+0x190/0x194
[  445.382846][T10770] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  445.396064][T10770] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  445.398424][T10770] CPU: 0 PID: 10770 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  445.401140][T10770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  445.403857][T10770] Call trace:
[  445.404705][T10770]  dump_backtrace+0x1b8/0x1e4
[  445.405958][T10770]  show_stack+0x2c/0x44
[  445.407116][T10770]  dump_stack_lvl+0xd0/0x124
[  445.408373][T10770]  dump_stack+0x1c/0x28
[  445.409595][T10770]  sysfs_create_dir_ns+0x278/0x318
[  445.411044][T10770]  kobject_add_internal+0x514/0xadc
[  445.412581][T10770]  kobject_add+0x14c/0x224
[  445.413859][T10770]  device_add+0x3a0/0xaac
[  445.415022][T10770]  device_register+0x28/0x38
[  445.416304][T10770]  tty_register_device_attr+0x3a4/0x7d4
[  445.417844][T10770]  tty_register_device+0x3c/0x50
[  445.419194][T10770]  gsm_activate_mux+0xdc/0x268
[  445.420521][T10770]  gsmld_ioctl+0x16f0/0x2310
[  445.421778][T10770]  tty_ioctl+0x924/0xd8c
[  445.422983][T10770]  __arm64_sys_ioctl+0x14c/0x1c8
[  445.424365][T10770]  invoke_syscall+0x98/0x2b8
[  445.425616][T10770]  el0_svc_common+0x130/0x23c
[  445.426865][T10770]  do_el0_svc+0x48/0x58
[  445.428006][T10770]  el0_svc+0x58/0x16c
[  445.429093][T10770]  el0t_64_sync_handler+0x84/0xfc
[  445.430424][T10770]  el0t_64_sync+0x190/0x194
[  445.432246][T10770] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  445.601065][T10773] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  445.603336][T10773] CPU: 0 PID: 10773 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  445.606219][T10773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  445.608999][T10773] Call trace:
[  445.609914][T10773]  dump_backtrace+0x1b8/0x1e4
[  445.611182][T10773]  show_stack+0x2c/0x44
[  445.612293][T10773]  dump_stack_lvl+0xd0/0x124
[  445.613555][T10773]  dump_stack+0x1c/0x28
[  445.614774][T10773]  sysfs_create_dir_ns+0x278/0x318
[  445.616140][T10773]  kobject_add_internal+0x514/0xadc
[  445.617628][T10773]  kobject_add+0x14c/0x224
[  445.618817][T10773]  device_add+0x3a0/0xaac
[  445.620061][T10773]  device_register+0x28/0x38
[  445.621357][T10773]  tty_register_device_attr+0x3a4/0x7d4
[  445.622908][T10773]  tty_register_device+0x3c/0x50
[  445.624223][T10773]  gsm_activate_mux+0xdc/0x268
[  445.625539][T10773]  gsmld_ioctl+0x16f0/0x2310
[  445.626841][T10773]  tty_ioctl+0x924/0xd8c
[  445.627982][T10773]  __arm64_sys_ioctl+0x14c/0x1c8
[  445.629350][T10773]  invoke_syscall+0x98/0x2b8
[  445.630575][T10773]  el0_svc_common+0x130/0x23c
[  445.631844][T10773]  do_el0_svc+0x48/0x58
[  445.632931][T10773]  el0_svc+0x58/0x16c
[  445.633991][T10773]  el0t_64_sync_handler+0x84/0xfc
[  445.635344][T10773]  el0t_64_sync+0x190/0x194
[  445.644085][T10773] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  445.847478][T10776] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  445.849828][T10776] CPU: 1 PID: 10776 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  445.852625][T10776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  445.855279][T10776] Call trace:
[  445.856101][T10776]  dump_backtrace+0x1b8/0x1e4
[  445.857376][T10776]  show_stack+0x2c/0x44
[  445.858521][T10776]  dump_stack_lvl+0xd0/0x124
[  445.859695][T10776]  dump_stack+0x1c/0x28
[  445.860863][T10776]  sysfs_create_dir_ns+0x278/0x318
[  445.862150][T10776]  kobject_add_internal+0x514/0xadc
[  445.863533][T10776]  kobject_add+0x14c/0x224
[  445.864691][T10776]  device_add+0x3a0/0xaac
[  445.865798][T10776]  device_register+0x28/0x38
[  445.867004][T10776]  tty_register_device_attr+0x3a4/0x7d4
[  445.868494][T10776]  tty_register_device+0x3c/0x50
[  445.869770][T10776]  gsm_activate_mux+0xdc/0x268
[  445.871113][T10776]  gsmld_ioctl+0x16f0/0x2310
[  445.872339][T10776]  tty_ioctl+0x924/0xd8c
[  445.873472][T10776]  __arm64_sys_ioctl+0x14c/0x1c8
[  445.874826][T10776]  invoke_syscall+0x98/0x2b8
[  445.876024][T10776]  el0_svc_common+0x130/0x23c
[  445.877319][T10776]  do_el0_svc+0x48/0x58
[  445.878403][T10776]  el0_svc+0x58/0x16c
[  445.879452][T10776]  el0t_64_sync_handler+0x84/0xfc
[  445.880820][T10776]  el0t_64_sync+0x190/0x194
[  445.885268][T10776] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  445.889484][T10776] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  445.891702][T10776] CPU: 1 PID: 10776 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  445.894489][T10776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  445.897169][T10776] Call trace:
[  445.898036][T10776]  dump_backtrace+0x1b8/0x1e4
[  445.899256][T10776]  show_stack+0x2c/0x44
[  445.900396][T10776]  dump_stack_lvl+0xd0/0x124
[  445.901648][T10776]  dump_stack+0x1c/0x28
[  445.902746][T10776]  sysfs_create_dir_ns+0x278/0x318
[  445.904086][T10776]  kobject_add_internal+0x514/0xadc
[  445.905551][T10776]  kobject_add+0x14c/0x224
[  445.906720][T10776]  device_add+0x3a0/0xaac
[  445.907909][T10776]  device_register+0x28/0x38
[  445.909138][T10776]  tty_register_device_attr+0x3a4/0x7d4
[  445.910676][T10776]  tty_register_device+0x3c/0x50
[  445.912040][T10776]  gsm_activate_mux+0xdc/0x268
[  445.913309][T10776]  gsmld_ioctl+0x16f0/0x2310
[  445.914519][T10776]  tty_ioctl+0x924/0xd8c
[  445.915704][T10776]  __arm64_sys_ioctl+0x14c/0x1c8
[  445.917064][T10776]  invoke_syscall+0x98/0x2b8
[  445.918318][T10776]  el0_svc_common+0x130/0x23c
[  445.919599][T10776]  do_el0_svc+0x48/0x58
[  445.920753][T10776]  el0_svc+0x58/0x16c
[  445.921823][T10776]  el0t_64_sync_handler+0x84/0xfc
[  445.923233][T10776]  el0t_64_sync+0x190/0x194
[  445.926661][T10776] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  446.114735][T10779] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  446.119840][T10779] CPU: 0 PID: 10779 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  446.122732][T10779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  446.125384][T10779] Call trace:
[  446.126277][T10779]  dump_backtrace+0x1b8/0x1e4
[  446.127525][T10779]  show_stack+0x2c/0x44
[  446.128668][T10779]  dump_stack_lvl+0xd0/0x124
[  446.129884][T10779]  dump_stack+0x1c/0x28
[  446.131018][T10779]  sysfs_create_dir_ns+0x278/0x318
[  446.132382][T10779]  kobject_add_internal+0x514/0xadc
[  446.133799][T10779]  kobject_add+0x14c/0x224
[  446.134951][T10779]  device_add+0x3a0/0xaac
[  446.136145][T10779]  device_register+0x28/0x38
[  446.137416][T10779]  tty_register_device_attr+0x3a4/0x7d4
[  446.138847][T10779]  tty_register_device+0x3c/0x50
[  446.140200][T10779]  gsm_activate_mux+0xdc/0x268
[  446.141441][T10779]  gsmld_ioctl+0x16f0/0x2310
[  446.142777][T10779]  tty_ioctl+0x924/0xd8c
[  446.143925][T10779]  __arm64_sys_ioctl+0x14c/0x1c8
[  446.145284][T10779]  invoke_syscall+0x98/0x2b8
[  446.146536][T10779]  el0_svc_common+0x130/0x23c
[  446.147793][T10779]  do_el0_svc+0x48/0x58
[  446.148887][T10779]  el0_svc+0x58/0x16c
[  446.149987][T10779]  el0t_64_sync_handler+0x84/0xfc
[  446.151308][T10779]  el0t_64_sync+0x190/0x194
[  446.156015][T10779] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  446.350369][T10782] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  446.352569][T10782] CPU: 0 PID: 10782 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  446.355341][T10782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  446.358126][T10782] Call trace:
[  446.359012][T10782]  dump_backtrace+0x1b8/0x1e4
[  446.360244][T10782]  show_stack+0x2c/0x44
[  446.361368][T10782]  dump_stack_lvl+0xd0/0x124
[  446.362591][T10782]  dump_stack+0x1c/0x28
[  446.363699][T10782]  sysfs_create_dir_ns+0x278/0x318
[  446.365037][T10782]  kobject_add_internal+0x514/0xadc
[  446.366462][T10782]  kobject_add+0x14c/0x224
[  446.367689][T10782]  device_add+0x3a0/0xaac
[  446.368871][T10782]  device_register+0x28/0x38
[  446.370074][T10782]  tty_register_device_attr+0x3a4/0x7d4
[  446.371522][T10782]  tty_register_device+0x3c/0x50
[  446.372844][T10782]  gsm_activate_mux+0xdc/0x268
[  446.374119][T10782]  gsmld_ioctl+0x16f0/0x2310
[  446.375344][T10782]  tty_ioctl+0x924/0xd8c
[  446.376511][T10782]  __arm64_sys_ioctl+0x14c/0x1c8
[  446.377939][T10782]  invoke_syscall+0x98/0x2b8
[  446.379191][T10782]  el0_svc_common+0x130/0x23c
[  446.380479][T10782]  do_el0_svc+0x48/0x58
[  446.381556][T10782]  el0_svc+0x58/0x16c
[  446.382630][T10782]  el0t_64_sync_handler+0x84/0xfc
[  446.384002][T10782]  el0t_64_sync+0x190/0x194
[  446.396402][T10782] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  446.593816][T10785] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  446.599367][T10785] CPU: 1 PID: 10785 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  446.602253][T10785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  446.604984][T10785] Call trace:
[  446.605881][T10785]  dump_backtrace+0x1b8/0x1e4
[  446.607170][T10785]  show_stack+0x2c/0x44
[  446.608247][T10785]  dump_stack_lvl+0xd0/0x124
[  446.609497][T10785]  dump_stack+0x1c/0x28
[  446.610642][T10785]  sysfs_create_dir_ns+0x278/0x318
[  446.611998][T10785]  kobject_add_internal+0x514/0xadc
[  446.613354][T10785]  kobject_add+0x14c/0x224
[  446.614508][T10785]  device_add+0x3a0/0xaac
[  446.615653][T10785]  device_register+0x28/0x38
[  446.616895][T10785]  tty_register_device_attr+0x3a4/0x7d4
[  446.618474][T10785]  tty_register_device+0x3c/0x50
[  446.619855][T10785]  gsm_activate_mux+0xdc/0x268
[  446.621162][T10785]  gsmld_ioctl+0x16f0/0x2310
[  446.622429][T10785]  tty_ioctl+0x924/0xd8c
[  446.623619][T10785]  __arm64_sys_ioctl+0x14c/0x1c8
[  446.624925][T10785]  invoke_syscall+0x98/0x2b8
[  446.626124][T10785]  el0_svc_common+0x130/0x23c
[  446.627375][T10785]  do_el0_svc+0x48/0x58
[  446.628538][T10785]  el0_svc+0x58/0x16c
[  446.629613][T10785]  el0t_64_sync_handler+0x84/0xfc
[  446.630944][T10785]  el0t_64_sync+0x190/0x194
[  446.636467][T10785] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  446.828626][T10788] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  446.830980][T10788] CPU: 0 PID: 10788 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  446.833702][T10788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  446.836307][T10788] Call trace:
[  446.837182][T10788]  dump_backtrace+0x1b8/0x1e4
[  446.838451][T10788]  show_stack+0x2c/0x44
[  446.839661][T10788]  dump_stack_lvl+0xd0/0x124
[  446.840924][T10788]  dump_stack+0x1c/0x28
[  446.842032][T10788]  sysfs_create_dir_ns+0x278/0x318
[  446.843403][T10788]  kobject_add_internal+0x514/0xadc
[  446.844777][T10788]  kobject_add+0x14c/0x224
[  446.845993][T10788]  device_add+0x3a0/0xaac
[  446.847177][T10788]  device_register+0x28/0x38
[  446.848428][T10788]  tty_register_device_attr+0x3a4/0x7d4
[  446.849945][T10788]  tty_register_device+0x3c/0x50
[  446.851242][T10788]  gsm_activate_mux+0xdc/0x268
[  446.852517][T10788]  gsmld_ioctl+0x16f0/0x2310
[  446.853748][T10788]  tty_ioctl+0x924/0xd8c
[  446.854901][T10788]  __arm64_sys_ioctl+0x14c/0x1c8
[  446.856188][T10788]  invoke_syscall+0x98/0x2b8
[  446.857469][T10788]  el0_svc_common+0x130/0x23c
[  446.858707][T10788]  do_el0_svc+0x48/0x58
[  446.859855][T10788]  el0_svc+0x58/0x16c
[  446.860987][T10788]  el0t_64_sync_handler+0x84/0xfc
[  446.862324][T10788]  el0t_64_sync+0x190/0x194
[  446.868213][T10788] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  447.230136][T10791] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  447.235338][T10791] CPU: 1 PID: 10791 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  447.238264][T10791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  447.240951][T10791] Call trace:
[  447.241858][T10791]  dump_backtrace+0x1b8/0x1e4
[  447.243121][T10791]  show_stack+0x2c/0x44
[  447.244240][T10791]  dump_stack_lvl+0xd0/0x124
[  447.245477][T10791]  dump_stack+0x1c/0x28
[  447.246613][T10791]  sysfs_create_dir_ns+0x278/0x318
[  447.248017][T10791]  kobject_add_internal+0x514/0xadc
[  447.249465][T10791]  kobject_add+0x14c/0x224
[  447.250640][T10791]  device_add+0x3a0/0xaac
[  447.251799][T10791]  device_register+0x28/0x38
[  447.253066][T10791]  tty_register_device_attr+0x3a4/0x7d4
[  447.254607][T10791]  tty_register_device+0x3c/0x50
[  447.255951][T10791]  gsm_activate_mux+0xdc/0x268
[  447.257249][T10791]  gsmld_ioctl+0x16f0/0x2310
[  447.258495][T10791]  tty_ioctl+0x924/0xd8c
[  447.259649][T10791]  __arm64_sys_ioctl+0x14c/0x1c8
[  447.261015][T10791]  invoke_syscall+0x98/0x2b8
[  447.262230][T10791]  el0_svc_common+0x130/0x23c
[  447.263474][T10791]  do_el0_svc+0x48/0x58
[  447.264654][T10791]  el0_svc+0x58/0x16c
[  447.265702][T10791]  el0t_64_sync_handler+0x84/0xfc
[  447.267076][T10791]  el0t_64_sync+0x190/0x194
[  447.274810][T10791] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  447.516929][T10794] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  447.519134][T10794] CPU: 0 PID: 10794 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  447.521976][T10794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  447.524641][T10794] Call trace:
[  447.525487][T10794]  dump_backtrace+0x1b8/0x1e4
[  447.526732][T10794]  show_stack+0x2c/0x44
[  447.527892][T10794]  dump_stack_lvl+0xd0/0x124
[  447.529150][T10794]  dump_stack+0x1c/0x28
[  447.530276][T10794]  sysfs_create_dir_ns+0x278/0x318
[  447.531717][T10794]  kobject_add_internal+0x514/0xadc
[  447.533136][T10794]  kobject_add+0x14c/0x224
[  447.534328][T10794]  device_add+0x3a0/0xaac
[  447.535486][T10794]  device_register+0x28/0x38
[  447.536692][T10794]  tty_register_device_attr+0x3a4/0x7d4
[  447.538132][T10794]  tty_register_device+0x3c/0x50
[  447.539499][T10794]  gsm_activate_mux+0xdc/0x268
[  447.540799][T10794]  gsmld_ioctl+0x16f0/0x2310
[  447.542047][T10794]  tty_ioctl+0x924/0xd8c
[  447.543136][T10794]  __arm64_sys_ioctl+0x14c/0x1c8
[  447.544453][T10794]  invoke_syscall+0x98/0x2b8
[  447.545659][T10794]  el0_svc_common+0x130/0x23c
[  447.546932][T10794]  do_el0_svc+0x48/0x58
[  447.548030][T10794]  el0_svc+0x58/0x16c
[  447.549128][T10794]  el0t_64_sync_handler+0x84/0xfc
[  447.550484][T10794]  el0t_64_sync+0x190/0x194
[  447.560417][T10794] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  447.757498][T10797] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  447.759852][T10797] CPU: 1 PID: 10797 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  447.762553][T10797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  447.765212][T10797] Call trace:
[  447.766115][T10797]  dump_backtrace+0x1b8/0x1e4
[  447.767437][T10797]  show_stack+0x2c/0x44
[  447.768613][T10797]  dump_stack_lvl+0xd0/0x124
[  447.769882][T10797]  dump_stack+0x1c/0x28
[  447.771050][T10797]  sysfs_create_dir_ns+0x278/0x318
[  447.772456][T10797]  kobject_add_internal+0x514/0xadc
[  447.773898][T10797]  kobject_add+0x14c/0x224
[  447.775192][T10797]  device_add+0x3a0/0xaac
[  447.776379][T10797]  device_register+0x28/0x38
[  447.777647][T10797]  tty_register_device_attr+0x3a4/0x7d4
[  447.779164][T10797]  tty_register_device+0x3c/0x50
[  447.780536][T10797]  gsm_activate_mux+0xdc/0x268
[  447.781831][T10797]  gsmld_ioctl+0x16f0/0x2310
[  447.783035][T10797]  tty_ioctl+0x924/0xd8c
[  447.784194][T10797]  __arm64_sys_ioctl+0x14c/0x1c8
[  447.785531][T10797]  invoke_syscall+0x98/0x2b8
[  447.786813][T10797]  el0_svc_common+0x130/0x23c
[  447.788017][T10797]  do_el0_svc+0x48/0x58
[  447.789075][T10797]  el0_svc+0x58/0x16c
[  447.790145][T10797]  el0t_64_sync_handler+0x84/0xfc
[  447.791477][T10797]  el0t_64_sync+0x190/0x194
[  447.793883][T10797] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  447.800640][T10797] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  447.802919][T10797] CPU: 1 PID: 10797 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  447.805655][T10797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  447.808289][T10797] Call trace:
[  447.809165][T10797]  dump_backtrace+0x1b8/0x1e4
[  447.810425][T10797]  show_stack+0x2c/0x44
[  447.811532][T10797]  dump_stack_lvl+0xd0/0x124
[  447.812769][T10797]  dump_stack+0x1c/0x28
[  447.813885][T10797]  sysfs_create_dir_ns+0x278/0x318
[  447.815316][T10797]  kobject_add_internal+0x514/0xadc
[  447.816730][T10797]  kobject_add+0x14c/0x224
[  447.817926][T10797]  device_add+0x3a0/0xaac
[  447.819058][T10797]  device_register+0x28/0x38
[  447.820329][T10797]  tty_register_device_attr+0x3a4/0x7d4
[  447.821857][T10797]  tty_register_device+0x3c/0x50
[  447.823228][T10797]  gsm_activate_mux+0xdc/0x268
[  447.824525][T10797]  gsmld_ioctl+0x16f0/0x2310
[  447.825809][T10797]  tty_ioctl+0x924/0xd8c
[  447.827090][T10797]  __arm64_sys_ioctl+0x14c/0x1c8
[  447.828450][T10797]  invoke_syscall+0x98/0x2b8
[  447.829698][T10797]  el0_svc_common+0x130/0x23c
[  447.831004][T10797]  do_el0_svc+0x48/0x58
[  447.832135][T10797]  el0_svc+0x58/0x16c
[  447.833210][T10797]  el0t_64_sync_handler+0x84/0xfc
[  447.834658][T10797]  el0t_64_sync+0x190/0x194
[  447.836817][T10797] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  448.035817][T10800] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  448.038068][T10800] CPU: 1 PID: 10800 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  448.040835][T10800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  448.043476][T10800] Call trace:
[  448.044312][T10800]  dump_backtrace+0x1b8/0x1e4
[  448.045483][T10800]  show_stack+0x2c/0x44
[  448.046646][T10800]  dump_stack_lvl+0xd0/0x124
[  448.047893][T10800]  dump_stack+0x1c/0x28
[  448.049063][T10800]  sysfs_create_dir_ns+0x278/0x318
[  448.050427][T10800]  kobject_add_internal+0x514/0xadc
[  448.051840][T10800]  kobject_add+0x14c/0x224
[  448.053022][T10800]  device_add+0x3a0/0xaac
[  448.054218][T10800]  device_register+0x28/0x38
[  448.055454][T10800]  tty_register_device_attr+0x3a4/0x7d4
[  448.056909][T10800]  tty_register_device+0x3c/0x50
[  448.058274][T10800]  gsm_activate_mux+0xdc/0x268
[  448.059598][T10800]  gsmld_ioctl+0x16f0/0x2310
[  448.060779][T10800]  tty_ioctl+0x924/0xd8c
[  448.061859][T10800]  __arm64_sys_ioctl+0x14c/0x1c8
[  448.063236][T10800]  invoke_syscall+0x98/0x2b8
[  448.064468][T10800]  el0_svc_common+0x130/0x23c
[  448.065753][T10800]  do_el0_svc+0x48/0x58
[  448.066897][T10800]  el0_svc+0x58/0x16c
[  448.067963][T10800]  el0t_64_sync_handler+0x84/0xfc
[  448.069282][T10800]  el0t_64_sync+0x190/0x194
[  448.082536][T10800] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  448.281728][T10803] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  448.283872][T10803] CPU: 0 PID: 10803 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  448.286611][T10803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  448.289239][T10803] Call trace:
[  448.290117][T10803]  dump_backtrace+0x1b8/0x1e4
[  448.291417][T10803]  show_stack+0x2c/0x44
[  448.292667][T10803]  dump_stack_lvl+0xd0/0x124
[  448.293922][T10803]  dump_stack+0x1c/0x28
[  448.295056][T10803]  sysfs_create_dir_ns+0x278/0x318
[  448.296412][T10803]  kobject_add_internal+0x514/0xadc
[  448.297802][T10803]  kobject_add+0x14c/0x224
[  448.298986][T10803]  device_add+0x3a0/0xaac
[  448.300182][T10803]  device_register+0x28/0x38
[  448.301399][T10803]  tty_register_device_attr+0x3a4/0x7d4
[  448.302894][T10803]  tty_register_device+0x3c/0x50
[  448.304196][T10803]  gsm_activate_mux+0xdc/0x268
[  448.305426][T10803]  gsmld_ioctl+0x16f0/0x2310
[  448.306647][T10803]  tty_ioctl+0x924/0xd8c
[  448.307866][T10803]  __arm64_sys_ioctl+0x14c/0x1c8
[  448.309242][T10803]  invoke_syscall+0x98/0x2b8
[  448.310484][T10803]  el0_svc_common+0x130/0x23c
[  448.311767][T10803]  do_el0_svc+0x48/0x58
[  448.312909][T10803]  el0_svc+0x58/0x16c
[  448.313993][T10803]  el0t_64_sync_handler+0x84/0xfc
[  448.315343][T10803]  el0t_64_sync+0x190/0x194
[  448.322129][T10803] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  448.693142][T10806] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  448.695317][T10806] CPU: 0 PID: 10806 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  448.698180][T10806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  448.700901][T10806] Call trace:
[  448.701761][T10806]  dump_backtrace+0x1b8/0x1e4
[  448.702995][T10806]  show_stack+0x2c/0x44
[  448.704142][T10806]  dump_stack_lvl+0xd0/0x124
[  448.705374][T10806]  dump_stack+0x1c/0x28
[  448.706509][T10806]  sysfs_create_dir_ns+0x278/0x318
[  448.707911][T10806]  kobject_add_internal+0x514/0xadc
[  448.709363][T10806]  kobject_add+0x14c/0x224
[  448.710629][T10806]  device_add+0x3a0/0xaac
[  448.711841][T10806]  device_register+0x28/0x38
[  448.713075][T10806]  tty_register_device_attr+0x3a4/0x7d4
[  448.714619][T10806]  tty_register_device+0x3c/0x50
[  448.715932][T10806]  gsm_activate_mux+0xdc/0x268
[  448.717195][T10806]  gsmld_ioctl+0x16f0/0x2310
[  448.718376][T10806]  tty_ioctl+0x924/0xd8c
[  448.719525][T10806]  __arm64_sys_ioctl+0x14c/0x1c8
[  448.720853][T10806]  invoke_syscall+0x98/0x2b8
[  448.722080][T10806]  el0_svc_common+0x130/0x23c
[  448.723320][T10806]  do_el0_svc+0x48/0x58
[  448.724489][T10806]  el0_svc+0x58/0x16c
[  448.725590][T10806]  el0t_64_sync_handler+0x84/0xfc
[  448.726968][T10806]  el0t_64_sync+0x190/0x194
[  448.731620][T10806] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  448.990108][T10809] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  448.994589][T10809] CPU: 0 PID: 10809 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  448.997518][T10809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  449.000287][T10809] Call trace:
[  449.001137][T10809]  dump_backtrace+0x1b8/0x1e4
[  449.002404][T10809]  show_stack+0x2c/0x44
[  449.003506][T10809]  dump_stack_lvl+0xd0/0x124
[  449.004779][T10809]  dump_stack+0x1c/0x28
[  449.005944][T10809]  sysfs_create_dir_ns+0x278/0x318
[  449.007313][T10809]  kobject_add_internal+0x514/0xadc
[  449.008783][T10809]  kobject_add+0x14c/0x224
[  449.009992][T10809]  device_add+0x3a0/0xaac
[  449.011207][T10809]  device_register+0x28/0x38
[  449.012425][T10809]  tty_register_device_attr+0x3a4/0x7d4
[  449.013897][T10809]  tty_register_device+0x3c/0x50
[  449.015230][T10809]  gsm_activate_mux+0xdc/0x268
[  449.016541][T10809]  gsmld_ioctl+0x16f0/0x2310
[  449.017807][T10809]  tty_ioctl+0x924/0xd8c
[  449.018879][T10809]  __arm64_sys_ioctl+0x14c/0x1c8
[  449.020214][T10809]  invoke_syscall+0x98/0x2b8
[  449.021423][T10809]  el0_svc_common+0x130/0x23c
[  449.022751][T10809]  do_el0_svc+0x48/0x58
[  449.023871][T10809]  el0_svc+0x58/0x16c
[  449.024984][T10809]  el0t_64_sync_handler+0x84/0xfc
[  449.026339][T10809]  el0t_64_sync+0x190/0x194
[  449.030574][T10809] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  449.038024][T10809] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  449.040594][T10809] CPU: 0 PID: 10809 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  449.043511][T10809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  449.046256][T10809] Call trace:
[  449.047111][T10809]  dump_backtrace+0x1b8/0x1e4
[  449.048365][T10809]  show_stack+0x2c/0x44
[  449.049483][T10809]  dump_stack_lvl+0xd0/0x124
[  449.050756][T10809]  dump_stack+0x1c/0x28
[  449.051860][T10809]  sysfs_create_dir_ns+0x278/0x318
[  449.053199][T10809]  kobject_add_internal+0x514/0xadc
[  449.054668][T10809]  kobject_add+0x14c/0x224
[  449.055885][T10809]  device_add+0x3a0/0xaac
[  449.057067][T10809]  device_register+0x28/0x38
[  449.058252][T10809]  tty_register_device_attr+0x3a4/0x7d4
[  449.059732][T10809]  tty_register_device+0x3c/0x50
[  449.061146][T10809]  gsm_activate_mux+0xdc/0x268
[  449.062414][T10809]  gsmld_ioctl+0x16f0/0x2310
[  449.063661][T10809]  tty_ioctl+0x924/0xd8c
[  449.064816][T10809]  __arm64_sys_ioctl+0x14c/0x1c8
[  449.066146][T10809]  invoke_syscall+0x98/0x2b8
[  449.067380][T10809]  el0_svc_common+0x130/0x23c
[  449.068648][T10809]  do_el0_svc+0x48/0x58
[  449.069722][T10809]  el0_svc+0x58/0x16c
[  449.070791][T10809]  el0t_64_sync_handler+0x84/0xfc
[  449.072054][T10809]  el0t_64_sync+0x190/0x194
[  449.078108][T10809] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  449.266241][T10812] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  449.268774][T10812] CPU: 0 PID: 10812 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  449.271578][T10812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  449.274328][T10812] Call trace:
[  449.275219][T10812]  dump_backtrace+0x1b8/0x1e4
[  449.276504][T10812]  show_stack+0x2c/0x44
[  449.277640][T10812]  dump_stack_lvl+0xd0/0x124
[  449.278827][T10812]  dump_stack+0x1c/0x28
[  449.279966][T10812]  sysfs_create_dir_ns+0x278/0x318
[  449.281358][T10812]  kobject_add_internal+0x514/0xadc
[  449.282790][T10812]  kobject_add+0x14c/0x224
[  449.283991][T10812]  device_add+0x3a0/0xaac
[  449.285147][T10812]  device_register+0x28/0x38
[  449.286354][T10812]  tty_register_device_attr+0x3a4/0x7d4
[  449.287855][T10812]  tty_register_device+0x3c/0x50
[  449.289238][T10812]  gsm_activate_mux+0xdc/0x268
[  449.290494][T10812]  gsmld_ioctl+0x16f0/0x2310
[  449.291785][T10812]  tty_ioctl+0x924/0xd8c
[  449.292909][T10812]  __arm64_sys_ioctl+0x14c/0x1c8
[  449.294217][T10812]  invoke_syscall+0x98/0x2b8
[  449.295442][T10812]  el0_svc_common+0x130/0x23c
[  449.296749][T10812]  do_el0_svc+0x48/0x58
[  449.297864][T10812]  el0_svc+0x58/0x16c
[  449.298947][T10812]  el0t_64_sync_handler+0x84/0xfc
[  449.300325][T10812]  el0t_64_sync+0x190/0x194
[  449.306277][T10812] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  449.310256][T10812] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  449.312418][T10812] CPU: 0 PID: 10812 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  449.315088][T10812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  449.317766][T10812] Call trace:
[  449.318627][T10812]  dump_backtrace+0x1b8/0x1e4
[  449.319947][T10812]  show_stack+0x2c/0x44
[  449.321027][T10812]  dump_stack_lvl+0xd0/0x124
[  449.322251][T10812]  dump_stack+0x1c/0x28
[  449.323365][T10812]  sysfs_create_dir_ns+0x278/0x318
[  449.324795][T10812]  kobject_add_internal+0x514/0xadc
[  449.326162][T10812]  kobject_add+0x14c/0x224
[  449.327415][T10812]  device_add+0x3a0/0xaac
[  449.328621][T10812]  device_register+0x28/0x38
[  449.329865][T10812]  tty_register_device_attr+0x3a4/0x7d4
[  449.331327][T10812]  tty_register_device+0x3c/0x50
[  449.332670][T10812]  gsm_activate_mux+0xdc/0x268
[  449.333914][T10812]  gsmld_ioctl+0x16f0/0x2310
[  449.335116][T10812]  tty_ioctl+0x924/0xd8c
[  449.336219][T10812]  __arm64_sys_ioctl+0x14c/0x1c8
[  449.337595][T10812]  invoke_syscall+0x98/0x2b8
[  449.338865][T10812]  el0_svc_common+0x130/0x23c
[  449.340117][T10812]  do_el0_svc+0x48/0x58
[  449.341270][T10812]  el0_svc+0x58/0x16c
[  449.342343][T10812]  el0t_64_sync_handler+0x84/0xfc
[  449.343699][T10812]  el0t_64_sync+0x190/0x194
[  449.349831][T10812] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  449.685318][T10815] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  449.695643][T10815] CPU: 1 PID: 10815 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  449.698397][T10815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  449.701304][T10815] Call trace:
[  449.702200][T10815]  dump_backtrace+0x1b8/0x1e4
[  449.703459][T10815]  show_stack+0x2c/0x44
[  449.704729][T10815]  dump_stack_lvl+0xd0/0x124
[  449.706018][T10815]  dump_stack+0x1c/0x28
[  449.707140][T10815]  sysfs_create_dir_ns+0x278/0x318
[  449.708504][T10815]  kobject_add_internal+0x514/0xadc
[  449.709956][T10815]  kobject_add+0x14c/0x224
[  449.711167][T10815]  device_add+0x3a0/0xaac
[  449.712367][T10815]  device_register+0x28/0x38
[  449.713650][T10815]  tty_register_device_attr+0x3a4/0x7d4
[  449.715153][T10815]  tty_register_device+0x3c/0x50
[  449.716480][T10815]  gsm_activate_mux+0xdc/0x268
[  449.717822][T10815]  gsmld_ioctl+0x16f0/0x2310
[  449.719060][T10815]  tty_ioctl+0x924/0xd8c
[  449.720223][T10815]  __arm64_sys_ioctl+0x14c/0x1c8
[  449.721596][T10815]  invoke_syscall+0x98/0x2b8
[  449.722821][T10815]  el0_svc_common+0x130/0x23c
[  449.724044][T10815]  do_el0_svc+0x48/0x58
[  449.725171][T10815]  el0_svc+0x58/0x16c
[  449.726313][T10815]  el0t_64_sync_handler+0x84/0xfc
[  449.727631][T10815]  el0t_64_sync+0x190/0x194
[  449.734368][T10815] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  450.128102][T10818] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  450.131187][T10818] CPU: 0 PID: 10818 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  450.134102][T10818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  450.136889][T10818] Call trace:
[  450.137770][T10818]  dump_backtrace+0x1b8/0x1e4
[  450.139000][T10818]  show_stack+0x2c/0x44
[  450.140176][T10818]  dump_stack_lvl+0xd0/0x124
[  450.141487][T10818]  dump_stack+0x1c/0x28
[  450.142608][T10818]  sysfs_create_dir_ns+0x278/0x318
[  450.144057][T10818]  kobject_add_internal+0x514/0xadc
[  450.145471][T10818]  kobject_add+0x14c/0x224
[  450.146677][T10818]  device_add+0x3a0/0xaac
[  450.147901][T10818]  device_register+0x28/0x38
[  450.149145][T10818]  tty_register_device_attr+0x3a4/0x7d4
[  450.150681][T10818]  tty_register_device+0x3c/0x50
[  450.151990][T10818]  gsm_activate_mux+0xdc/0x268
[  450.153260][T10818]  gsmld_ioctl+0x16f0/0x2310
[  450.154500][T10818]  tty_ioctl+0x924/0xd8c
[  450.155666][T10818]  __arm64_sys_ioctl+0x14c/0x1c8
[  450.156956][T10818]  invoke_syscall+0x98/0x2b8
[  450.158247][T10818]  el0_svc_common+0x130/0x23c
[  450.159506][T10818]  do_el0_svc+0x48/0x58
[  450.160594][T10818]  el0_svc+0x58/0x16c
[  450.161700][T10818]  el0t_64_sync_handler+0x84/0xfc
[  450.163091][T10818]  el0t_64_sync+0x190/0x194
[  450.186136][T10818] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  450.421256][T10821] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  450.423498][T10821] CPU: 0 PID: 10821 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  450.426308][T10821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  450.429032][T10821] Call trace:
[  450.429910][T10821]  dump_backtrace+0x1b8/0x1e4
[  450.431185][T10821]  show_stack+0x2c/0x44
[  450.432258][T10821]  dump_stack_lvl+0xd0/0x124
[  450.433522][T10821]  dump_stack+0x1c/0x28
[  450.434674][T10821]  sysfs_create_dir_ns+0x278/0x318
[  450.436088][T10821]  kobject_add_internal+0x514/0xadc
[  450.437541][T10821]  kobject_add+0x14c/0x224
[  450.438702][T10821]  device_add+0x3a0/0xaac
[  450.439877][T10821]  device_register+0x28/0x38
[  450.441134][T10821]  tty_register_device_attr+0x3a4/0x7d4
[  450.442644][T10821]  tty_register_device+0x3c/0x50
[  450.444026][T10821]  gsm_activate_mux+0xdc/0x268
[  450.445372][T10821]  gsmld_ioctl+0x16f0/0x2310
[  450.446626][T10821]  tty_ioctl+0x924/0xd8c
[  450.447772][T10821]  __arm64_sys_ioctl+0x14c/0x1c8
[  450.449131][T10821]  invoke_syscall+0x98/0x2b8
[  450.450342][T10821]  el0_svc_common+0x130/0x23c
[  450.451593][T10821]  do_el0_svc+0x48/0x58
[  450.452753][T10821]  el0_svc+0x58/0x16c
[  450.453826][T10821]  el0t_64_sync_handler+0x84/0xfc
[  450.455228][T10821]  el0t_64_sync+0x190/0x194
[  450.468876][T10821] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  450.662475][T10824] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  450.665089][T10824] CPU: 1 PID: 10824 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  450.667939][T10824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  450.670719][T10824] Call trace:
[  450.671605][T10824]  dump_backtrace+0x1b8/0x1e4
[  450.672920][T10824]  show_stack+0x2c/0x44
[  450.674080][T10824]  dump_stack_lvl+0xd0/0x124
[  450.675346][T10824]  dump_stack+0x1c/0x28
[  450.676477][T10824]  sysfs_create_dir_ns+0x278/0x318
[  450.677939][T10824]  kobject_add_internal+0x514/0xadc
[  450.679382][T10824]  kobject_add+0x14c/0x224
[  450.680604][T10824]  device_add+0x3a0/0xaac
[  450.681829][T10824]  device_register+0x28/0x38
[  450.683088][T10824]  tty_register_device_attr+0x3a4/0x7d4
[  450.684608][T10824]  tty_register_device+0x3c/0x50
[  450.685960][T10824]  gsm_activate_mux+0xdc/0x268
[  450.687250][T10824]  gsmld_ioctl+0x16f0/0x2310
[  450.688522][T10824]  tty_ioctl+0x924/0xd8c
[  450.689686][T10824]  __arm64_sys_ioctl+0x14c/0x1c8
[  450.691044][T10824]  invoke_syscall+0x98/0x2b8
[  450.692255][T10824]  el0_svc_common+0x130/0x23c
[  450.693590][T10824]  do_el0_svc+0x48/0x58
[  450.694732][T10824]  el0_svc+0x58/0x16c
[  450.695859][T10824]  el0t_64_sync_handler+0x84/0xfc
[  450.697252][T10824]  el0t_64_sync+0x190/0x194
[  450.705039][T10824] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  450.709460][T10824] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  450.712836][T10824] CPU: 1 PID: 10824 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  450.715830][T10824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  450.718572][T10824] Call trace:
[  450.719462][T10824]  dump_backtrace+0x1b8/0x1e4
[  450.720780][T10824]  show_stack+0x2c/0x44
[  450.721949][T10824]  dump_stack_lvl+0xd0/0x124
[  450.723247][T10824]  dump_stack+0x1c/0x28
[  450.724398][T10824]  sysfs_create_dir_ns+0x278/0x318
[  450.725791][T10824]  kobject_add_internal+0x514/0xadc
[  450.727283][T10824]  kobject_add+0x14c/0x224
[  450.728534][T10824]  device_add+0x3a0/0xaac
[  450.729761][T10824]  device_register+0x28/0x38
[  450.731040][T10824]  tty_register_device_attr+0x3a4/0x7d4
[  450.732611][T10824]  tty_register_device+0x3c/0x50
[  450.733994][T10824]  gsm_activate_mux+0xdc/0x268
[  450.735292][T10824]  gsmld_ioctl+0x16f0/0x2310
[  450.736530][T10824]  tty_ioctl+0x924/0xd8c
[  450.737702][T10824]  __arm64_sys_ioctl+0x14c/0x1c8
[  450.739053][T10824]  invoke_syscall+0x98/0x2b8
[  450.740297][T10824]  el0_svc_common+0x130/0x23c
[  450.741584][T10824]  do_el0_svc+0x48/0x58
[  450.742730][T10824]  el0_svc+0x58/0x16c
[  450.743842][T10824]  el0t_64_sync_handler+0x84/0xfc
[  450.745255][T10824]  el0t_64_sync+0x190/0x194
[  450.749630][T10824] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  450.920354][T10827] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  450.925702][T10827] CPU: 1 PID: 10827 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  450.928545][T10827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  450.931291][T10827] Call trace:
[  450.932155][T10827]  dump_backtrace+0x1b8/0x1e4
[  450.933411][T10827]  show_stack+0x2c/0x44
[  450.934514][T10827]  dump_stack_lvl+0xd0/0x124
[  450.935703][T10827]  dump_stack+0x1c/0x28
[  450.936820][T10827]  sysfs_create_dir_ns+0x278/0x318
[  450.938179][T10827]  kobject_add_internal+0x514/0xadc
[  450.939577][T10827]  kobject_add+0x14c/0x224
[  450.940737][T10827]  device_add+0x3a0/0xaac
[  450.941952][T10827]  device_register+0x28/0x38
[  450.943178][T10827]  tty_register_device_attr+0x3a4/0x7d4
[  450.944651][T10827]  tty_register_device+0x3c/0x50
[  450.945986][T10827]  gsm_activate_mux+0xdc/0x268
[  450.947298][T10827]  gsmld_ioctl+0x16f0/0x2310
[  450.948550][T10827]  tty_ioctl+0x924/0xd8c
[  450.949702][T10827]  __arm64_sys_ioctl+0x14c/0x1c8
[  450.951059][T10827]  invoke_syscall+0x98/0x2b8
[  450.952273][T10827]  el0_svc_common+0x130/0x23c
[  450.953540][T10827]  do_el0_svc+0x48/0x58
[  450.954646][T10827]  el0_svc+0x58/0x16c
[  450.955708][T10827]  el0t_64_sync_handler+0x84/0xfc
[  450.957049][T10827]  el0t_64_sync+0x190/0x194
[  450.977770][T10827] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  451.160588][T10830] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  451.162799][T10830] CPU: 1 PID: 10830 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  451.165510][T10830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  451.168282][T10830] Call trace:
[  451.169272][T10830]  dump_backtrace+0x1b8/0x1e4
[  451.170569][T10830]  show_stack+0x2c/0x44
[  451.171759][T10830]  dump_stack_lvl+0xd0/0x124
[  451.172987][T10830]  dump_stack+0x1c/0x28
[  451.174099][T10830]  sysfs_create_dir_ns+0x278/0x318
[  451.175484][T10830]  kobject_add_internal+0x514/0xadc
[  451.176918][T10830]  kobject_add+0x14c/0x224
[  451.178131][T10830]  device_add+0x3a0/0xaac
[  451.179345][T10830]  device_register+0x28/0x38
[  451.180571][T10830]  tty_register_device_attr+0x3a4/0x7d4
[  451.182039][T10830]  tty_register_device+0x3c/0x50
[  451.183368][T10830]  gsm_activate_mux+0xdc/0x268
[  451.184648][T10830]  gsmld_ioctl+0x16f0/0x2310
[  451.185953][T10830]  tty_ioctl+0x924/0xd8c
[  451.187147][T10830]  __arm64_sys_ioctl+0x14c/0x1c8
[  451.188507][T10830]  invoke_syscall+0x98/0x2b8
[  451.189790][T10830]  el0_svc_common+0x130/0x23c
[  451.191050][T10830]  do_el0_svc+0x48/0x58
[  451.192178][T10830]  el0_svc+0x58/0x16c
[  451.193257][T10830]  el0t_64_sync_handler+0x84/0xfc
[  451.194649][T10830]  el0t_64_sync+0x190/0x194
[  451.207696][T10830] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  451.390995][T10833] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  451.393119][T10833] CPU: 0 PID: 10833 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  451.395848][T10833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  451.398496][T10833] Call trace:
[  451.399355][T10833]  dump_backtrace+0x1b8/0x1e4
[  451.400587][T10833]  show_stack+0x2c/0x44
[  451.401692][T10833]  dump_stack_lvl+0xd0/0x124
[  451.402984][T10833]  dump_stack+0x1c/0x28
[  451.404091][T10833]  sysfs_create_dir_ns+0x278/0x318
[  451.405504][T10833]  kobject_add_internal+0x514/0xadc
[  451.406892][T10833]  kobject_add+0x14c/0x224
[  451.408070][T10833]  device_add+0x3a0/0xaac
[  451.409263][T10833]  device_register+0x28/0x38
[  451.410452][T10833]  tty_register_device_attr+0x3a4/0x7d4
[  451.411954][T10833]  tty_register_device+0x3c/0x50
[  451.413313][T10833]  gsm_activate_mux+0xdc/0x268
[  451.414648][T10833]  gsmld_ioctl+0x16f0/0x2310
[  451.415867][T10833]  tty_ioctl+0x924/0xd8c
[  451.417014][T10833]  __arm64_sys_ioctl+0x14c/0x1c8
[  451.418415][T10833]  invoke_syscall+0x98/0x2b8
[  451.419641][T10833]  el0_svc_common+0x130/0x23c
[  451.420845][T10833]  do_el0_svc+0x48/0x58
[  451.422014][T10833]  el0_svc+0x58/0x16c
[  451.423098][T10833]  el0t_64_sync_handler+0x84/0xfc
[  451.424474][T10833]  el0t_64_sync+0x190/0x194
[  451.428755][T10833] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  451.626057][T10836] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  451.631326][T10836] CPU: 1 PID: 10836 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  451.634177][T10836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  451.636903][T10836] Call trace:
[  451.637826][T10836]  dump_backtrace+0x1b8/0x1e4
[  451.639091][T10836]  show_stack+0x2c/0x44
[  451.640260][T10836]  dump_stack_lvl+0xd0/0x124
[  451.641570][T10836]  dump_stack+0x1c/0x28
[  451.642710][T10836]  sysfs_create_dir_ns+0x278/0x318
[  451.644150][T10836]  kobject_add_internal+0x514/0xadc
[  451.645581][T10836]  kobject_add+0x14c/0x224
[  451.646823][T10836]  device_add+0x3a0/0xaac
[  451.647997][T10836]  device_register+0x28/0x38
[  451.649301][T10836]  tty_register_device_attr+0x3a4/0x7d4
[  451.650826][T10836]  tty_register_device+0x3c/0x50
[  451.652210][T10836]  gsm_activate_mux+0xdc/0x268
[  451.653581][T10836]  gsmld_ioctl+0x16f0/0x2310
[  451.654830][T10836]  tty_ioctl+0x924/0xd8c
[  451.656018][T10836]  __arm64_sys_ioctl+0x14c/0x1c8
[  451.657357][T10836]  invoke_syscall+0x98/0x2b8
[  451.658608][T10836]  el0_svc_common+0x130/0x23c
[  451.659862][T10836]  do_el0_svc+0x48/0x58
[  451.661043][T10836]  el0_svc+0x58/0x16c
[  451.662156][T10836]  el0t_64_sync_handler+0x84/0xfc
[  451.663525][T10836]  el0t_64_sync+0x190/0x194
[  451.669960][T10836] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  451.880798][T10839] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  451.883194][T10839] CPU: 0 PID: 10839 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  451.885980][T10839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  451.888550][T10839] Call trace:
[  451.889440][T10839]  dump_backtrace+0x1b8/0x1e4
[  451.890736][T10839]  show_stack+0x2c/0x44
[  451.891877][T10839]  dump_stack_lvl+0xd0/0x124
[  451.893108][T10839]  dump_stack+0x1c/0x28
[  451.894177][T10839]  sysfs_create_dir_ns+0x278/0x318
[  451.895630][T10839]  kobject_add_internal+0x514/0xadc
[  451.897054][T10839]  kobject_add+0x14c/0x224
[  451.898202][T10839]  device_add+0x3a0/0xaac
[  451.899345][T10839]  device_register+0x28/0x38
[  451.900599][T10839]  tty_register_device_attr+0x3a4/0x7d4
[  451.902089][T10839]  tty_register_device+0x3c/0x50
[  451.903397][T10839]  gsm_activate_mux+0xdc/0x268
[  451.904681][T10839]  gsmld_ioctl+0x16f0/0x2310
[  451.905928][T10839]  tty_ioctl+0x924/0xd8c
[  451.907049][T10839]  __arm64_sys_ioctl+0x14c/0x1c8
[  451.908360][T10839]  invoke_syscall+0x98/0x2b8
[  451.909631][T10839]  el0_svc_common+0x130/0x23c
[  451.910887][T10839]  do_el0_svc+0x48/0x58
[  451.911973][T10839]  el0_svc+0x58/0x16c
[  451.913068][T10839]  el0t_64_sync_handler+0x84/0xfc
[  451.914425][T10839]  el0t_64_sync+0x190/0x194
[  451.920506][T10839] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  451.925525][T10839] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  451.930124][T10839] CPU: 0 PID: 10839 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  451.933111][T10839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  451.935928][T10839] Call trace:
[  451.936809][T10839]  dump_backtrace+0x1b8/0x1e4
[  451.938076][T10839]  show_stack+0x2c/0x44
[  451.939182][T10839]  dump_stack_lvl+0xd0/0x124
[  451.940394][T10839]  dump_stack+0x1c/0x28
[  451.941501][T10839]  sysfs_create_dir_ns+0x278/0x318
[  451.942862][T10839]  kobject_add_internal+0x514/0xadc
[  451.944249][T10839]  kobject_add+0x14c/0x224
[  451.945449][T10839]  device_add+0x3a0/0xaac
[  451.946601][T10839]  device_register+0x28/0x38
[  451.947856][T10839]  tty_register_device_attr+0x3a4/0x7d4
[  451.949311][T10839]  tty_register_device+0x3c/0x50
[  451.950636][T10839]  gsm_activate_mux+0xdc/0x268
[  451.951941][T10839]  gsmld_ioctl+0x16f0/0x2310
[  451.953215][T10839]  tty_ioctl+0x924/0xd8c
[  451.954405][T10839]  __arm64_sys_ioctl+0x14c/0x1c8
[  451.955725][T10839]  invoke_syscall+0x98/0x2b8
[  451.956975][T10839]  el0_svc_common+0x130/0x23c
[  451.958204][T10839]  do_el0_svc+0x48/0x58
[  451.959388][T10839]  el0_svc+0x58/0x16c
[  451.960441][T10839]  el0t_64_sync_handler+0x84/0xfc
[  451.961813][T10839]  el0t_64_sync+0x190/0x194
[  451.978211][T10839] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  452.142206][T10842] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  452.144506][T10842] CPU: 1 PID: 10842 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  452.147355][T10842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  452.150046][T10842] Call trace:
[  452.150937][T10842]  dump_backtrace+0x1b8/0x1e4
[  452.152200][T10842]  show_stack+0x2c/0x44
[  452.153367][T10842]  dump_stack_lvl+0xd0/0x124
[  452.154629][T10842]  dump_stack+0x1c/0x28
[  452.155747][T10842]  sysfs_create_dir_ns+0x278/0x318
[  452.157121][T10842]  kobject_add_internal+0x514/0xadc
[  452.158475][T10842]  kobject_add+0x14c/0x224
[  452.159656][T10842]  device_add+0x3a0/0xaac
[  452.160881][T10842]  device_register+0x28/0x38
[  452.162115][T10842]  tty_register_device_attr+0x3a4/0x7d4
[  452.163593][T10842]  tty_register_device+0x3c/0x50
[  452.164971][T10842]  gsm_activate_mux+0xdc/0x268
[  452.166316][T10842]  gsmld_ioctl+0x16f0/0x2310
[  452.167585][T10842]  tty_ioctl+0x924/0xd8c
[  452.168736][T10842]  __arm64_sys_ioctl+0x14c/0x1c8
[  452.169985][T10842]  invoke_syscall+0x98/0x2b8
[  452.171238][T10842]  el0_svc_common+0x130/0x23c
[  452.172469][T10842]  do_el0_svc+0x48/0x58
[  452.173607][T10842]  el0_svc+0x58/0x16c
[  452.174675][T10842]  el0t_64_sync_handler+0x84/0xfc
[  452.175991][T10842]  el0t_64_sync+0x190/0x194
[  452.182621][T10842] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  452.188034][T10842] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  452.190244][T10842] CPU: 1 PID: 10842 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  452.192973][T10842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  452.195646][T10842] Call trace:
[  452.196499][T10842]  dump_backtrace+0x1b8/0x1e4
[  452.197771][T10842]  show_stack+0x2c/0x44
[  452.198885][T10842]  dump_stack_lvl+0xd0/0x124
[  452.200072][T10842]  dump_stack+0x1c/0x28
[  452.201238][T10842]  sysfs_create_dir_ns+0x278/0x318
[  452.202623][T10842]  kobject_add_internal+0x514/0xadc
[  452.204042][T10842]  kobject_add+0x14c/0x224
[  452.205251][T10842]  device_add+0x3a0/0xaac
[  452.206429][T10842]  device_register+0x28/0x38
[  452.207741][T10842]  tty_register_device_attr+0x3a4/0x7d4
[  452.209230][T10842]  tty_register_device+0x3c/0x50
[  452.210523][T10842]  gsm_activate_mux+0xdc/0x268
[  452.211824][T10842]  gsmld_ioctl+0x16f0/0x2310
[  452.213053][T10842]  tty_ioctl+0x924/0xd8c
[  452.214193][T10842]  __arm64_sys_ioctl+0x14c/0x1c8
[  452.215527][T10842]  invoke_syscall+0x98/0x2b8
[  452.216819][T10842]  el0_svc_common+0x130/0x23c
[  452.218123][T10842]  do_el0_svc+0x48/0x58
[  452.219194][T10842]  el0_svc+0x58/0x16c
[  452.220292][T10842]  el0t_64_sync_handler+0x84/0xfc
[  452.221670][T10842]  el0t_64_sync+0x190/0x194
[  452.231005][T10842] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  452.562064][T10845] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  452.569109][T10845] CPU: 0 PID: 10845 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  452.572035][T10845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  452.574844][T10845] Call trace:
[  452.575756][T10845]  dump_backtrace+0x1b8/0x1e4
[  452.577045][T10845]  show_stack+0x2c/0x44
[  452.578158][T10845]  dump_stack_lvl+0xd0/0x124
[  452.579356][T10845]  dump_stack+0x1c/0x28
[  452.580461][T10845]  sysfs_create_dir_ns+0x278/0x318
[  452.581847][T10845]  kobject_add_internal+0x514/0xadc
[  452.583242][T10845]  kobject_add+0x14c/0x224
[  452.584462][T10845]  device_add+0x3a0/0xaac
[  452.585669][T10845]  device_register+0x28/0x38
[  452.586907][T10845]  tty_register_device_attr+0x3a4/0x7d4
[  452.588416][T10845]  tty_register_device+0x3c/0x50
[  452.589761][T10845]  gsm_activate_mux+0xdc/0x268
[  452.591062][T10845]  gsmld_ioctl+0x16f0/0x2310
[  452.592310][T10845]  tty_ioctl+0x924/0xd8c
[  452.593483][T10845]  __arm64_sys_ioctl+0x14c/0x1c8
[  452.594859][T10845]  invoke_syscall+0x98/0x2b8
[  452.596040][T10845]  el0_svc_common+0x130/0x23c
[  452.597285][T10845]  do_el0_svc+0x48/0x58
[  452.598429][T10845]  el0_svc+0x58/0x16c
[  452.599532][T10845]  el0t_64_sync_handler+0x84/0xfc
[  452.600948][T10845]  el0t_64_sync+0x190/0x194
[  452.606069][T10845] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  452.866380][T10848] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  452.868684][T10848] CPU: 1 PID: 10848 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  452.871485][T10848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  452.874243][T10848] Call trace:
[  452.875100][T10848]  dump_backtrace+0x1b8/0x1e4
[  452.876360][T10848]  show_stack+0x2c/0x44
[  452.877499][T10848]  dump_stack_lvl+0xd0/0x124
[  452.878739][T10848]  dump_stack+0x1c/0x28
[  452.879871][T10848]  sysfs_create_dir_ns+0x278/0x318
[  452.881274][T10848]  kobject_add_internal+0x514/0xadc
[  452.882677][T10848]  kobject_add+0x14c/0x224
[  452.883863][T10848]  device_add+0x3a0/0xaac
[  452.884994][T10848]  device_register+0x28/0x38
[  452.886199][T10848]  tty_register_device_attr+0x3a4/0x7d4
[  452.887660][T10848]  tty_register_device+0x3c/0x50
[  452.888964][T10848]  gsm_activate_mux+0xdc/0x268
[  452.890248][T10848]  gsmld_ioctl+0x16f0/0x2310
[  452.891437][T10848]  tty_ioctl+0x924/0xd8c
[  452.892541][T10848]  __arm64_sys_ioctl+0x14c/0x1c8
[  452.893919][T10848]  invoke_syscall+0x98/0x2b8
[  452.895173][T10848]  el0_svc_common+0x130/0x23c
[  452.896444][T10848]  do_el0_svc+0x48/0x58
[  452.897526][T10848]  el0_svc+0x58/0x16c
[  452.898640][T10848]  el0t_64_sync_handler+0x84/0xfc
[  452.899964][T10848]  el0t_64_sync+0x190/0x194
[  452.902894][T10848] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  453.107027][T10851] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  453.109322][T10851] CPU: 1 PID: 10851 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  453.112098][T10851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  453.114787][T10851] Call trace:
[  453.115681][T10851]  dump_backtrace+0x1b8/0x1e4
[  453.116966][T10851]  show_stack+0x2c/0x44
[  453.118020][T10851]  dump_stack_lvl+0xd0/0x124
[  453.119354][T10851]  dump_stack+0x1c/0x28
[  453.120463][T10851]  sysfs_create_dir_ns+0x278/0x318
[  453.121899][T10851]  kobject_add_internal+0x514/0xadc
[  453.123284][T10851]  kobject_add+0x14c/0x224
[  453.124497][T10851]  device_add+0x3a0/0xaac
[  453.125726][T10851]  device_register+0x28/0x38
[  453.127024][T10851]  tty_register_device_attr+0x3a4/0x7d4
[  453.128575][T10851]  tty_register_device+0x3c/0x50
[  453.129981][T10851]  gsm_activate_mux+0xdc/0x268
[  453.131333][T10851]  gsmld_ioctl+0x16f0/0x2310
[  453.132596][T10851]  tty_ioctl+0x924/0xd8c
[  453.133755][T10851]  __arm64_sys_ioctl+0x14c/0x1c8
[  453.135153][T10851]  invoke_syscall+0x98/0x2b8
[  453.136397][T10851]  el0_svc_common+0x130/0x23c
[  453.137640][T10851]  do_el0_svc+0x48/0x58
[  453.138773][T10851]  el0_svc+0x58/0x16c
[  453.139876][T10851]  el0t_64_sync_handler+0x84/0xfc
[  453.141234][T10851]  el0t_64_sync+0x190/0x194
[  453.146837][T10851] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  453.344078][T10854] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  453.349373][T10854] CPU: 1 PID: 10854 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  453.352117][T10854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  453.354599][T10854] Call trace:
[  453.355472][T10854]  dump_backtrace+0x1b8/0x1e4
[  453.356730][T10854]  show_stack+0x2c/0x44
[  453.357852][T10854]  dump_stack_lvl+0xd0/0x124
[  453.359162][T10854]  dump_stack+0x1c/0x28
[  453.360296][T10854]  sysfs_create_dir_ns+0x278/0x318
[  453.361691][T10854]  kobject_add_internal+0x514/0xadc
[  453.363101][T10854]  kobject_add+0x14c/0x224
[  453.364275][T10854]  device_add+0x3a0/0xaac
[  453.365440][T10854]  device_register+0x28/0x38
[  453.366687][T10854]  tty_register_device_attr+0x3a4/0x7d4
[  453.368119][T10854]  tty_register_device+0x3c/0x50
[  453.369434][T10854]  gsm_activate_mux+0xdc/0x268
[  453.370691][T10854]  gsmld_ioctl+0x16f0/0x2310
[  453.371921][T10854]  tty_ioctl+0x924/0xd8c
[  453.373101][T10854]  __arm64_sys_ioctl+0x14c/0x1c8
[  453.374425][T10854]  invoke_syscall+0x98/0x2b8
[  453.375627][T10854]  el0_svc_common+0x130/0x23c
[  453.376842][T10854]  do_el0_svc+0x48/0x58
[  453.377942][T10854]  el0_svc+0x58/0x16c
[  453.379004][T10854]  el0t_64_sync_handler+0x84/0xfc
[  453.380334][T10854]  el0t_64_sync+0x190/0x194
[  453.386497][T10854] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  453.586405][T10857] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  453.590496][T10857] CPU: 0 PID: 10857 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  453.593365][T10857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  453.596093][T10857] Call trace:
[  453.596987][T10857]  dump_backtrace+0x1b8/0x1e4
[  453.598266][T10857]  show_stack+0x2c/0x44
[  453.599343][T10857]  dump_stack_lvl+0xd0/0x124
[  453.600620][T10857]  dump_stack+0x1c/0x28
[  453.601775][T10857]  sysfs_create_dir_ns+0x278/0x318
[  453.603211][T10857]  kobject_add_internal+0x514/0xadc
[  453.604664][T10857]  kobject_add+0x14c/0x224
[  453.605887][T10857]  device_add+0x3a0/0xaac
[  453.607060][T10857]  device_register+0x28/0x38
[  453.608277][T10857]  tty_register_device_attr+0x3a4/0x7d4
[  453.609758][T10857]  tty_register_device+0x3c/0x50
[  453.611115][T10857]  gsm_activate_mux+0xdc/0x268
[  453.612429][T10857]  gsmld_ioctl+0x16f0/0x2310
[  453.613687][T10857]  tty_ioctl+0x924/0xd8c
[  453.614820][T10857]  __arm64_sys_ioctl+0x14c/0x1c8
[  453.616146][T10857]  invoke_syscall+0x98/0x2b8
[  453.617384][T10857]  el0_svc_common+0x130/0x23c
[  453.618688][T10857]  do_el0_svc+0x48/0x58
[  453.619817][T10857]  el0_svc+0x58/0x16c
[  453.620928][T10857]  el0t_64_sync_handler+0x84/0xfc
[  453.622294][T10857]  el0t_64_sync+0x190/0x194
[  453.626465][T10857] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  453.981793][T10860] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  453.984586][T10860] CPU: 1 PID: 10860 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  453.987469][T10860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  453.990277][T10860] Call trace:
[  453.991149][T10860]  dump_backtrace+0x1b8/0x1e4
[  453.992443][T10860]  show_stack+0x2c/0x44
[  453.993555][T10860]  dump_stack_lvl+0xd0/0x124
[  453.994813][T10860]  dump_stack+0x1c/0x28
[  453.995932][T10860]  sysfs_create_dir_ns+0x278/0x318
[  453.997381][T10860]  kobject_add_internal+0x514/0xadc
[  453.998842][T10860]  kobject_add+0x14c/0x224
[  454.000031][T10860]  device_add+0x3a0/0xaac
[  454.001177][T10860]  device_register+0x28/0x38
[  454.002442][T10860]  tty_register_device_attr+0x3a4/0x7d4
[  454.003962][T10860]  tty_register_device+0x3c/0x50
[  454.005342][T10860]  gsm_activate_mux+0xdc/0x268
[  454.006587][T10860]  gsmld_ioctl+0x16f0/0x2310
[  454.007789][T10860]  tty_ioctl+0x924/0xd8c
[  454.008939][T10860]  __arm64_sys_ioctl+0x14c/0x1c8
[  454.010296][T10860]  invoke_syscall+0x98/0x2b8
[  454.011530][T10860]  el0_svc_common+0x130/0x23c
[  454.012761][T10860]  do_el0_svc+0x48/0x58
[  454.013956][T10860]  el0_svc+0x58/0x16c
[  454.015027][T10860]  el0t_64_sync_handler+0x84/0xfc
[  454.016387][T10860]  el0t_64_sync+0x190/0x194
[  454.032072][T10860] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  454.417374][T10863] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  454.423304][T10863] CPU: 0 PID: 10863 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  454.426151][T10863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  454.429052][T10863] Call trace:
[  454.429942][T10863]  dump_backtrace+0x1b8/0x1e4
[  454.431264][T10863]  show_stack+0x2c/0x44
[  454.432362][T10863]  dump_stack_lvl+0xd0/0x124
[  454.433642][T10863]  dump_stack+0x1c/0x28
[  454.434781][T10863]  sysfs_create_dir_ns+0x278/0x318
[  454.436162][T10863]  kobject_add_internal+0x514/0xadc
[  454.437659][T10863]  kobject_add+0x14c/0x224
[  454.438785][T10863]  device_add+0x3a0/0xaac
[  454.439960][T10863]  device_register+0x28/0x38
[  454.441208][T10863]  tty_register_device_attr+0x3a4/0x7d4
[  454.442774][T10863]  tty_register_device+0x3c/0x50
[  454.444124][T10863]  gsm_activate_mux+0xdc/0x268
[  454.445389][T10863]  gsmld_ioctl+0x16f0/0x2310
[  454.446624][T10863]  tty_ioctl+0x924/0xd8c
[  454.447696][T10863]  __arm64_sys_ioctl+0x14c/0x1c8
[  454.449037][T10863]  invoke_syscall+0x98/0x2b8
[  454.450246][T10863]  el0_svc_common+0x130/0x23c
[  454.451536][T10863]  do_el0_svc+0x48/0x58
[  454.452646][T10863]  el0_svc+0x58/0x16c
[  454.453735][T10863]  el0t_64_sync_handler+0x84/0xfc
[  454.455112][T10863]  el0t_64_sync+0x190/0x194
[  454.464956][T10863] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  454.712522][T10866] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  454.714780][T10866] CPU: 1 PID: 10866 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  454.717586][T10866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  454.720330][T10866] Call trace:
[  454.721244][T10866]  dump_backtrace+0x1b8/0x1e4
[  454.722534][T10866]  show_stack+0x2c/0x44
[  454.723660][T10866]  dump_stack_lvl+0xd0/0x124
[  454.724878][T10866]  dump_stack+0x1c/0x28
[  454.725985][T10866]  sysfs_create_dir_ns+0x278/0x318
[  454.727304][T10866]  kobject_add_internal+0x514/0xadc
[  454.728692][T10866]  kobject_add+0x14c/0x224
[  454.729890][T10866]  device_add+0x3a0/0xaac
[  454.731081][T10866]  device_register+0x28/0x38
[  454.732344][T10866]  tty_register_device_attr+0x3a4/0x7d4
[  454.733810][T10866]  tty_register_device+0x3c/0x50
[  454.735176][T10866]  gsm_activate_mux+0xdc/0x268
[  454.736467][T10866]  gsmld_ioctl+0x16f0/0x2310
[  454.737721][T10866]  tty_ioctl+0x924/0xd8c
[  454.738930][T10866]  __arm64_sys_ioctl+0x14c/0x1c8
[  454.740317][T10866]  invoke_syscall+0x98/0x2b8
[  454.741540][T10866]  el0_svc_common+0x130/0x23c
[  454.742861][T10866]  do_el0_svc+0x48/0x58
[  454.744031][T10866]  el0_svc+0x58/0x16c
[  454.745124][T10866]  el0t_64_sync_handler+0x84/0xfc
[  454.746543][T10866]  el0t_64_sync+0x190/0x194
[  454.758181][T10866] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  455.107182][T10869] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  455.109457][T10869] CPU: 0 PID: 10869 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  455.112248][T10869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  455.114821][T10869] Call trace:
[  455.115685][T10869]  dump_backtrace+0x1b8/0x1e4
[  455.116952][T10869]  show_stack+0x2c/0x44
[  455.118103][T10869]  dump_stack_lvl+0xd0/0x124
[  455.119380][T10869]  dump_stack+0x1c/0x28
[  455.120484][T10869]  sysfs_create_dir_ns+0x278/0x318
[  455.121896][T10869]  kobject_add_internal+0x514/0xadc
[  455.123344][T10869]  kobject_add+0x14c/0x224
[  455.124584][T10869]  device_add+0x3a0/0xaac
[  455.125828][T10869]  device_register+0x28/0x38
[  455.127052][T10869]  tty_register_device_attr+0x3a4/0x7d4
[  455.128522][T10869]  tty_register_device+0x3c/0x50
[  455.129860][T10869]  gsm_activate_mux+0xdc/0x268
[  455.131160][T10869]  gsmld_ioctl+0x16f0/0x2310
[  455.132420][T10869]  tty_ioctl+0x924/0xd8c
[  455.133518][T10869]  __arm64_sys_ioctl+0x14c/0x1c8
[  455.134837][T10869]  invoke_syscall+0x98/0x2b8
[  455.136140][T10869]  el0_svc_common+0x130/0x23c
[  455.137451][T10869]  do_el0_svc+0x48/0x58
[  455.138578][T10869]  el0_svc+0x58/0x16c
[  455.139675][T10869]  el0t_64_sync_handler+0x84/0xfc
[  455.141015][T10869]  el0t_64_sync+0x190/0x194
[  455.146265][T10869] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  455.544013][T10872] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  455.547326][T10872] CPU: 0 PID: 10872 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  455.550245][T10872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  455.553060][T10872] Call trace:
[  455.553887][T10872]  dump_backtrace+0x1b8/0x1e4
[  455.555151][T10872]  show_stack+0x2c/0x44
[  455.556296][T10872]  dump_stack_lvl+0xd0/0x124
[  455.557548][T10872]  dump_stack+0x1c/0x28
[  455.558690][T10872]  sysfs_create_dir_ns+0x278/0x318
[  455.560170][T10872]  kobject_add_internal+0x514/0xadc
[  455.561587][T10872]  kobject_add+0x14c/0x224
[  455.562802][T10872]  device_add+0x3a0/0xaac
[  455.563939][T10872]  device_register+0x28/0x38
[  455.565120][T10872]  tty_register_device_attr+0x3a4/0x7d4
[  455.566540][T10872]  tty_register_device+0x3c/0x50
[  455.567914][T10872]  gsm_activate_mux+0xdc/0x268
[  455.569264][T10872]  gsmld_ioctl+0x16f0/0x2310
[  455.570497][T10872]  tty_ioctl+0x924/0xd8c
[  455.571630][T10872]  __arm64_sys_ioctl+0x14c/0x1c8
[  455.572907][T10872]  invoke_syscall+0x98/0x2b8
[  455.574176][T10872]  el0_svc_common+0x130/0x23c
[  455.575476][T10872]  do_el0_svc+0x48/0x58
[  455.576538][T10872]  el0_svc+0x58/0x16c
[  455.577599][T10872]  el0t_64_sync_handler+0x84/0xfc
[  455.578957][T10872]  el0t_64_sync+0x190/0x194
[  455.588370][T10872] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  455.842097][T10875] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  455.844814][T10875] CPU: 0 PID: 10875 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  455.847705][T10875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  455.850364][T10875] Call trace:
[  455.851301][T10875]  dump_backtrace+0x1b8/0x1e4
[  455.852529][T10875]  show_stack+0x2c/0x44
[  455.853659][T10875]  dump_stack_lvl+0xd0/0x124
[  455.854840][T10875]  dump_stack+0x1c/0x28
[  455.855977][T10875]  sysfs_create_dir_ns+0x278/0x318
[  455.857360][T10875]  kobject_add_internal+0x514/0xadc
[  455.858764][T10875]  kobject_add+0x14c/0x224
[  455.859986][T10875]  device_add+0x3a0/0xaac
[  455.861165][T10875]  device_register+0x28/0x38
[  455.862327][T10875]  tty_register_device_attr+0x3a4/0x7d4
[  455.863796][T10875]  tty_register_device+0x3c/0x50
[  455.865089][T10875]  gsm_activate_mux+0xdc/0x268
[  455.866343][T10875]  gsmld_ioctl+0x16f0/0x2310
[  455.867541][T10875]  tty_ioctl+0x924/0xd8c
[  455.868702][T10875]  __arm64_sys_ioctl+0x14c/0x1c8
[  455.870009][T10875]  invoke_syscall+0x98/0x2b8
[  455.871239][T10875]  el0_svc_common+0x130/0x23c
[  455.872449][T10875]  do_el0_svc+0x48/0x58
[  455.873532][T10875]  el0_svc+0x58/0x16c
[  455.874571][T10875]  el0t_64_sync_handler+0x84/0xfc
[  455.875914][T10875]  el0t_64_sync+0x190/0x194
[  455.880040][T10875] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  455.885827][T10875] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  455.887993][T10875] CPU: 0 PID: 10875 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  455.890667][T10875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  455.893319][T10875] Call trace:
[  455.894178][T10875]  dump_backtrace+0x1b8/0x1e4
[  455.895432][T10875]  show_stack+0x2c/0x44
[  455.896622][T10875]  dump_stack_lvl+0xd0/0x124
[  455.897931][T10875]  dump_stack+0x1c/0x28
[  455.899129][T10875]  sysfs_create_dir_ns+0x278/0x318
[  455.900538][T10875]  kobject_add_internal+0x514/0xadc
[  455.901969][T10875]  kobject_add+0x14c/0x224
[  455.903200][T10875]  device_add+0x3a0/0xaac
[  455.904324][T10875]  device_register+0x28/0x38
[  455.905582][T10875]  tty_register_device_attr+0x3a4/0x7d4
[  455.907134][T10875]  tty_register_device+0x3c/0x50
[  455.908506][T10875]  gsm_activate_mux+0xdc/0x268
[  455.909805][T10875]  gsmld_ioctl+0x16f0/0x2310
[  455.911078][T10875]  tty_ioctl+0x924/0xd8c
[  455.912264][T10875]  __arm64_sys_ioctl+0x14c/0x1c8
[  455.913704][T10875]  invoke_syscall+0x98/0x2b8
[  455.914985][T10875]  el0_svc_common+0x130/0x23c
[  455.916284][T10875]  do_el0_svc+0x48/0x58
[  455.917411][T10875]  el0_svc+0x58/0x16c
[  455.918534][T10875]  el0t_64_sync_handler+0x84/0xfc
[  455.919933][T10875]  el0t_64_sync+0x190/0x194
[  455.921619][T10875] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  456.269280][T10878] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  456.272844][T10878] CPU: 0 PID: 10878 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  456.275695][T10878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  456.278406][T10878] Call trace:
[  456.279293][T10878]  dump_backtrace+0x1b8/0x1e4
[  456.280519][T10878]  show_stack+0x2c/0x44
[  456.281627][T10878]  dump_stack_lvl+0xd0/0x124
[  456.282885][T10878]  dump_stack+0x1c/0x28
[  456.284048][T10878]  sysfs_create_dir_ns+0x278/0x318
[  456.285436][T10878]  kobject_add_internal+0x514/0xadc
[  456.286831][T10878]  kobject_add+0x14c/0x224
[  456.288085][T10878]  device_add+0x3a0/0xaac
[  456.289206][T10878]  device_register+0x28/0x38
[  456.290379][T10878]  tty_register_device_attr+0x3a4/0x7d4
[  456.291853][T10878]  tty_register_device+0x3c/0x50
[  456.293131][T10878]  gsm_activate_mux+0xdc/0x268
[  456.294435][T10878]  gsmld_ioctl+0x16f0/0x2310
[  456.295698][T10878]  tty_ioctl+0x924/0xd8c
[  456.296790][T10878]  __arm64_sys_ioctl+0x14c/0x1c8
[  456.298094][T10878]  invoke_syscall+0x98/0x2b8
[  456.299285][T10878]  el0_svc_common+0x130/0x23c
[  456.300597][T10878]  do_el0_svc+0x48/0x58
[  456.301696][T10878]  el0_svc+0x58/0x16c
[  456.302750][T10878]  el0t_64_sync_handler+0x84/0xfc
[  456.304078][T10878]  el0t_64_sync+0x190/0x194
[  456.311392][T10878] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  456.563523][T10881] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  456.569390][T10881] CPU: 0 PID: 10881 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  456.572218][T10881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  456.575033][T10881] Call trace:
[  456.575878][T10881]  dump_backtrace+0x1b8/0x1e4
[  456.577182][T10881]  show_stack+0x2c/0x44
[  456.578317][T10881]  dump_stack_lvl+0xd0/0x124
[  456.579587][T10881]  dump_stack+0x1c/0x28
[  456.580898][T10881]  sysfs_create_dir_ns+0x278/0x318
[  456.582311][T10881]  kobject_add_internal+0x514/0xadc
[  456.583761][T10881]  kobject_add+0x14c/0x224
[  456.584961][T10881]  device_add+0x3a0/0xaac
[  456.586179][T10881]  device_register+0x28/0x38
[  456.587405][T10881]  tty_register_device_attr+0x3a4/0x7d4
[  456.589098][T10881]  tty_register_device+0x3c/0x50
[  456.590460][T10881]  gsm_activate_mux+0xdc/0x268
[  456.591848][T10881]  gsmld_ioctl+0x16f0/0x2310
[  456.593153][T10881]  tty_ioctl+0x924/0xd8c
[  456.594310][T10881]  __arm64_sys_ioctl+0x14c/0x1c8
[  456.595813][T10881]  invoke_syscall+0x98/0x2b8
[  456.597072][T10881]  el0_svc_common+0x130/0x23c
[  456.598382][T10881]  do_el0_svc+0x48/0x58
[  456.599511][T10881]  el0_svc+0x58/0x16c
[  456.600578][T10881]  el0t_64_sync_handler+0x84/0xfc
[  456.602162][T10881]  el0t_64_sync+0x190/0x194
[  456.609206][T10881] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  456.811583][T10884] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  456.813916][T10884] CPU: 1 PID: 10884 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  456.816742][T10884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  456.819462][T10884] Call trace:
[  456.820369][T10884]  dump_backtrace+0x1b8/0x1e4
[  456.821574][T10884]  show_stack+0x2c/0x44
[  456.822642][T10884]  dump_stack_lvl+0xd0/0x124
[  456.823913][T10884]  dump_stack+0x1c/0x28
[  456.825011][T10884]  sysfs_create_dir_ns+0x278/0x318
[  456.826381][T10884]  kobject_add_internal+0x514/0xadc
[  456.827756][T10884]  kobject_add+0x14c/0x224
[  456.828955][T10884]  device_add+0x3a0/0xaac
[  456.830133][T10884]  device_register+0x28/0x38
[  456.831352][T10884]  tty_register_device_attr+0x3a4/0x7d4
[  456.832892][T10884]  tty_register_device+0x3c/0x50
[  456.834238][T10884]  gsm_activate_mux+0xdc/0x268
[  456.835493][T10884]  gsmld_ioctl+0x16f0/0x2310
[  456.836721][T10884]  tty_ioctl+0x924/0xd8c
[  456.837878][T10884]  __arm64_sys_ioctl+0x14c/0x1c8
[  456.839243][T10884]  invoke_syscall+0x98/0x2b8
[  456.840478][T10884]  el0_svc_common+0x130/0x23c
[  456.841755][T10884]  do_el0_svc+0x48/0x58
[  456.842880][T10884]  el0_svc+0x58/0x16c
[  456.843920][T10884]  el0t_64_sync_handler+0x84/0xfc
[  456.845287][T10884]  el0t_64_sync+0x190/0x194
[  456.882124][T10884] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.048283][T10887] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  457.050797][T10887] CPU: 0 PID: 10887 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  457.053794][T10887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  457.056484][T10887] Call trace:
[  457.057354][T10887]  dump_backtrace+0x1b8/0x1e4
[  457.058683][T10887]  show_stack+0x2c/0x44
[  457.059783][T10887]  dump_stack_lvl+0xd0/0x124
[  457.061072][T10887]  dump_stack+0x1c/0x28
[  457.062236][T10887]  sysfs_create_dir_ns+0x278/0x318
[  457.063614][T10887]  kobject_add_internal+0x514/0xadc
[  457.065042][T10887]  kobject_add+0x14c/0x224
[  457.066177][T10887]  device_add+0x3a0/0xaac
[  457.067370][T10887]  device_register+0x28/0x38
[  457.068549][T10887]  tty_register_device_attr+0x3a4/0x7d4
[  457.070071][T10887]  tty_register_device+0x3c/0x50
[  457.071340][T10887]  gsm_activate_mux+0xdc/0x268
[  457.072630][T10887]  gsmld_ioctl+0x16f0/0x2310
[  457.073889][T10887]  tty_ioctl+0x924/0xd8c
[  457.075040][T10887]  __arm64_sys_ioctl+0x14c/0x1c8
[  457.076368][T10887]  invoke_syscall+0x98/0x2b8
[  457.077572][T10887]  el0_svc_common+0x130/0x23c
[  457.078830][T10887]  do_el0_svc+0x48/0x58
[  457.079941][T10887]  el0_svc+0x58/0x16c
[  457.081073][T10887]  el0t_64_sync_handler+0x84/0xfc
[  457.082468][T10887]  el0t_64_sync+0x190/0x194
[  457.089493][T10887] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.093869][T10887] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  457.096691][T10887] CPU: 0 PID: 10887 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  457.099507][T10887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  457.102206][T10887] Call trace:
[  457.103095][T10887]  dump_backtrace+0x1b8/0x1e4
[  457.104324][T10887]  show_stack+0x2c/0x44
[  457.105475][T10887]  dump_stack_lvl+0xd0/0x124
[  457.106768][T10887]  dump_stack+0x1c/0x28
[  457.107919][T10887]  sysfs_create_dir_ns+0x278/0x318
[  457.109292][T10887]  kobject_add_internal+0x514/0xadc
[  457.110711][T10887]  kobject_add+0x14c/0x224
[  457.111910][T10887]  device_add+0x3a0/0xaac
[  457.113059][T10887]  device_register+0x28/0x38
[  457.114227][T10887]  tty_register_device_attr+0x3a4/0x7d4
[  457.115723][T10887]  tty_register_device+0x3c/0x50
[  457.117022][T10887]  gsm_activate_mux+0xdc/0x268
[  457.118339][T10887]  gsmld_ioctl+0x16f0/0x2310
[  457.119544][T10887]  tty_ioctl+0x924/0xd8c
[  457.120666][T10887]  __arm64_sys_ioctl+0x14c/0x1c8
[  457.122000][T10887]  invoke_syscall+0x98/0x2b8
[  457.123318][T10887]  el0_svc_common+0x130/0x23c
[  457.124611][T10887]  do_el0_svc+0x48/0x58
[  457.125702][T10887]  el0_svc+0x58/0x16c
[  457.126829][T10887]  el0t_64_sync_handler+0x84/0xfc
[  457.128221][T10887]  el0t_64_sync+0x190/0x194
[  457.132379][T10887] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.307594][T10890] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  457.309923][T10890] CPU: 1 PID: 10890 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  457.312713][T10890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  457.315276][T10890] Call trace:
[  457.316166][T10890]  dump_backtrace+0x1b8/0x1e4
[  457.317451][T10890]  show_stack+0x2c/0x44
[  457.318594][T10890]  dump_stack_lvl+0xd0/0x124
[  457.319876][T10890]  dump_stack+0x1c/0x28
[  457.320992][T10890]  sysfs_create_dir_ns+0x278/0x318
[  457.322386][T10890]  kobject_add_internal+0x514/0xadc
[  457.323856][T10890]  kobject_add+0x14c/0x224
[  457.325086][T10890]  device_add+0x3a0/0xaac
[  457.326269][T10890]  device_register+0x28/0x38
[  457.327532][T10890]  tty_register_device_attr+0x3a4/0x7d4
[  457.329064][T10890]  tty_register_device+0x3c/0x50
[  457.330394][T10890]  gsm_activate_mux+0xdc/0x268
[  457.331697][T10890]  gsmld_ioctl+0x16f0/0x2310
[  457.332963][T10890]  tty_ioctl+0x924/0xd8c
[  457.334131][T10890]  __arm64_sys_ioctl+0x14c/0x1c8
[  457.335418][T10890]  invoke_syscall+0x98/0x2b8
[  457.336680][T10890]  el0_svc_common+0x130/0x23c
[  457.337914][T10890]  do_el0_svc+0x48/0x58
[  457.339087][T10890]  el0_svc+0x58/0x16c
[  457.340169][T10890]  el0t_64_sync_handler+0x84/0xfc
[  457.341539][T10890]  el0t_64_sync+0x190/0x194
[  457.344591][T10890] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.556594][T10893] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  457.558787][T10893] CPU: 0 PID: 10893 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  457.561400][T10893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  457.563925][T10893] Call trace:
[  457.564803][T10893]  dump_backtrace+0x1b8/0x1e4
[  457.566055][T10893]  show_stack+0x2c/0x44
[  457.567174][T10893]  dump_stack_lvl+0xd0/0x124
[  457.568417][T10893]  dump_stack+0x1c/0x28
[  457.569504][T10893]  sysfs_create_dir_ns+0x278/0x318
[  457.570906][T10893]  kobject_add_internal+0x514/0xadc
[  457.572312][T10893]  kobject_add+0x14c/0x224
[  457.573541][T10893]  device_add+0x3a0/0xaac
[  457.574734][T10893]  device_register+0x28/0x38
[  457.575989][T10893]  tty_register_device_attr+0x3a4/0x7d4
[  457.577473][T10893]  tty_register_device+0x3c/0x50
[  457.578820][T10893]  gsm_activate_mux+0xdc/0x268
[  457.580113][T10893]  gsmld_ioctl+0x16f0/0x2310
[  457.581390][T10893]  tty_ioctl+0x924/0xd8c
[  457.582506][T10893]  __arm64_sys_ioctl+0x14c/0x1c8
[  457.583863][T10893]  invoke_syscall+0x98/0x2b8
[  457.585164][T10893]  el0_svc_common+0x130/0x23c
[  457.586433][T10893]  do_el0_svc+0x48/0x58
[  457.587546][T10893]  el0_svc+0x58/0x16c
[  457.588625][T10893]  el0t_64_sync_handler+0x84/0xfc
[  457.590035][T10893]  el0t_64_sync+0x190/0x194
[  457.595093][T10893] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.790654][T10896] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  457.793085][T10896] CPU: 1 PID: 10896 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  457.795889][T10896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  457.798682][T10896] Call trace:
[  457.799515][T10896]  dump_backtrace+0x1b8/0x1e4
[  457.800745][T10896]  show_stack+0x2c/0x44
[  457.801855][T10896]  dump_stack_lvl+0xd0/0x124
[  457.803082][T10896]  dump_stack+0x1c/0x28
[  457.804230][T10896]  sysfs_create_dir_ns+0x278/0x318
[  457.805624][T10896]  kobject_add_internal+0x514/0xadc
[  457.807028][T10896]  kobject_add+0x14c/0x224
[  457.808254][T10896]  device_add+0x3a0/0xaac
[  457.809457][T10896]  device_register+0x28/0x38
[  457.810727][T10896]  tty_register_device_attr+0x3a4/0x7d4
[  457.812194][T10896]  tty_register_device+0x3c/0x50
[  457.813580][T10896]  gsm_activate_mux+0xdc/0x268
[  457.814886][T10896]  gsmld_ioctl+0x16f0/0x2310
[  457.816110][T10896]  tty_ioctl+0x924/0xd8c
[  457.817255][T10896]  __arm64_sys_ioctl+0x14c/0x1c8
[  457.818681][T10896]  invoke_syscall+0x98/0x2b8
[  457.819921][T10896]  el0_svc_common+0x130/0x23c
[  457.821233][T10896]  do_el0_svc+0x48/0x58
[  457.822386][T10896]  el0_svc+0x58/0x16c
[  457.823542][T10896]  el0t_64_sync_handler+0x84/0xfc
[  457.824911][T10896]  el0t_64_sync+0x190/0x194
[  457.828784][T10896] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  458.218354][T10899] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  458.220644][T10899] CPU: 0 PID: 10899 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  458.223322][T10899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  458.226063][T10899] Call trace:
[  458.226944][T10899]  dump_backtrace+0x1b8/0x1e4
[  458.228234][T10899]  show_stack+0x2c/0x44
[  458.229418][T10899]  dump_stack_lvl+0xd0/0x124
[  458.230631][T10899]  dump_stack+0x1c/0x28
[  458.231758][T10899]  sysfs_create_dir_ns+0x278/0x318
[  458.233095][T10899]  kobject_add_internal+0x514/0xadc
[  458.234520][T10899]  kobject_add+0x14c/0x224
[  458.235718][T10899]  device_add+0x3a0/0xaac
[  458.236938][T10899]  device_register+0x28/0x38
[  458.238183][T10899]  tty_register_device_attr+0x3a4/0x7d4
[  458.239654][T10899]  tty_register_device+0x3c/0x50
[  458.240972][T10899]  gsm_activate_mux+0xdc/0x268
[  458.242210][T10899]  gsmld_ioctl+0x16f0/0x2310
[  458.243494][T10899]  tty_ioctl+0x924/0xd8c
[  458.244669][T10899]  __arm64_sys_ioctl+0x14c/0x1c8
[  458.245990][T10899]  invoke_syscall+0x98/0x2b8
[  458.247235][T10899]  el0_svc_common+0x130/0x23c
[  458.248495][T10899]  do_el0_svc+0x48/0x58
[  458.249600][T10899]  el0_svc+0x58/0x16c
[  458.250731][T10899]  el0t_64_sync_handler+0x84/0xfc
[  458.252074][T10899]  el0t_64_sync+0x190/0x194
[  458.259039][T10899] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  458.524650][T10902] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  458.527893][T10902] CPU: 1 PID: 10902 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  458.530814][T10902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  458.533654][T10902] Call trace:
[  458.534526][T10902]  dump_backtrace+0x1b8/0x1e4
[  458.535803][T10902]  show_stack+0x2c/0x44
[  458.536944][T10902]  dump_stack_lvl+0xd0/0x124
[  458.538196][T10902]  dump_stack+0x1c/0x28
[  458.539332][T10902]  sysfs_create_dir_ns+0x278/0x318
[  458.540762][T10902]  kobject_add_internal+0x514/0xadc
[  458.542180][T10902]  kobject_add+0x14c/0x224
[  458.543387][T10902]  device_add+0x3a0/0xaac
[  458.544577][T10902]  device_register+0x28/0x38
[  458.545850][T10902]  tty_register_device_attr+0x3a4/0x7d4
[  458.547440][T10902]  tty_register_device+0x3c/0x50
[  458.548761][T10902]  gsm_activate_mux+0xdc/0x268
[  458.550024][T10902]  gsmld_ioctl+0x16f0/0x2310
[  458.551273][T10902]  tty_ioctl+0x924/0xd8c
[  458.552424][T10902]  __arm64_sys_ioctl+0x14c/0x1c8
[  458.553773][T10902]  invoke_syscall+0x98/0x2b8
[  458.555038][T10902]  el0_svc_common+0x130/0x23c
[  458.556351][T10902]  do_el0_svc+0x48/0x58
[  458.557470][T10902]  el0_svc+0x58/0x16c
[  458.558593][T10902]  el0t_64_sync_handler+0x84/0xfc
[  458.560033][T10902]  el0t_64_sync+0x190/0x194
[  458.570102][T10902] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  458.763154][T10905] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  458.767209][T10905] CPU: 0 PID: 10905 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  458.770015][T10905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  458.772825][T10905] Call trace:
[  458.773757][T10905]  dump_backtrace+0x1b8/0x1e4
[  458.775068][T10905]  show_stack+0x2c/0x44
[  458.776158][T10905]  dump_stack_lvl+0xd0/0x124
[  458.777380][T10905]  dump_stack+0x1c/0x28
[  458.778483][T10905]  sysfs_create_dir_ns+0x278/0x318
[  458.779897][T10905]  kobject_add_internal+0x514/0xadc
[  458.781349][T10905]  kobject_add+0x14c/0x224
[  458.782603][T10905]  device_add+0x3a0/0xaac
[  458.783801][T10905]  device_register+0x28/0x38
[  458.785027][T10905]  tty_register_device_attr+0x3a4/0x7d4
[  458.786570][T10905]  tty_register_device+0x3c/0x50
[  458.787952][T10905]  gsm_activate_mux+0xdc/0x268
[  458.789233][T10905]  gsmld_ioctl+0x16f0/0x2310
[  458.790480][T10905]  tty_ioctl+0x924/0xd8c
[  458.791668][T10905]  __arm64_sys_ioctl+0x14c/0x1c8
[  458.793050][T10905]  invoke_syscall+0x98/0x2b8
[  458.794299][T10905]  el0_svc_common+0x130/0x23c
[  458.795556][T10905]  do_el0_svc+0x48/0x58
[  458.796734][T10905]  el0_svc+0x58/0x16c
[  458.797857][T10905]  el0t_64_sync_handler+0x84/0xfc
[  458.799242][T10905]  el0t_64_sync+0x190/0x194
[  458.804484][T10905] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.006903][T10908] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  459.010516][T10908] CPU: 1 PID: 10908 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  459.013388][T10908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  459.016106][T10908] Call trace:
[  459.016980][T10908]  dump_backtrace+0x1b8/0x1e4
[  459.018294][T10908]  show_stack+0x2c/0x44
[  459.019412][T10908]  dump_stack_lvl+0xd0/0x124
[  459.020651][T10908]  dump_stack+0x1c/0x28
[  459.021787][T10908]  sysfs_create_dir_ns+0x278/0x318
[  459.023135][T10908]  kobject_add_internal+0x514/0xadc
[  459.024555][T10908]  kobject_add+0x14c/0x224
[  459.025756][T10908]  device_add+0x3a0/0xaac
[  459.026969][T10908]  device_register+0x28/0x38
[  459.028175][T10908]  tty_register_device_attr+0x3a4/0x7d4
[  459.029719][T10908]  tty_register_device+0x3c/0x50
[  459.031072][T10908]  gsm_activate_mux+0xdc/0x268
[  459.032377][T10908]  gsmld_ioctl+0x16f0/0x2310
[  459.033682][T10908]  tty_ioctl+0x924/0xd8c
[  459.034822][T10908]  __arm64_sys_ioctl+0x14c/0x1c8
[  459.036209][T10908]  invoke_syscall+0x98/0x2b8
[  459.037459][T10908]  el0_svc_common+0x130/0x23c
[  459.038727][T10908]  do_el0_svc+0x48/0x58
[  459.039837][T10908]  el0_svc+0x58/0x16c
[  459.040896][T10908]  el0t_64_sync_handler+0x84/0xfc
[  459.042199][T10908]  el0t_64_sync+0x190/0x194
[  459.046306][T10908] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.050692][T10908] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  459.053220][T10908] CPU: 1 PID: 10908 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  459.056018][T10908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  459.058742][T10908] Call trace:
[  459.059614][T10908]  dump_backtrace+0x1b8/0x1e4
[  459.060859][T10908]  show_stack+0x2c/0x44
[  459.061953][T10908]  dump_stack_lvl+0xd0/0x124
[  459.063226][T10908]  dump_stack+0x1c/0x28
[  459.064352][T10908]  sysfs_create_dir_ns+0x278/0x318
[  459.065737][T10908]  kobject_add_internal+0x514/0xadc
[  459.067171][T10908]  kobject_add+0x14c/0x224
[  459.068406][T10908]  device_add+0x3a0/0xaac
[  459.069602][T10908]  device_register+0x28/0x38
[  459.070830][T10908]  tty_register_device_attr+0x3a4/0x7d4
[  459.072353][T10908]  tty_register_device+0x3c/0x50
[  459.073754][T10908]  gsm_activate_mux+0xdc/0x268
[  459.075069][T10908]  gsmld_ioctl+0x16f0/0x2310
[  459.076317][T10908]  tty_ioctl+0x924/0xd8c
[  459.077491][T10908]  __arm64_sys_ioctl+0x14c/0x1c8
[  459.078852][T10908]  invoke_syscall+0x98/0x2b8
[  459.080111][T10908]  el0_svc_common+0x130/0x23c
[  459.081446][T10908]  do_el0_svc+0x48/0x58
[  459.082584][T10908]  el0_svc+0x58/0x16c
[  459.083662][T10908]  el0t_64_sync_handler+0x84/0xfc
[  459.085003][T10908]  el0t_64_sync+0x190/0x194
[  459.086715][T10908] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.269472][T10911] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  459.274965][T10911] CPU: 0 PID: 10911 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  459.277796][T10911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  459.280534][T10911] Call trace:
[  459.281444][T10911]  dump_backtrace+0x1b8/0x1e4
[  459.282771][T10911]  show_stack+0x2c/0x44
[  459.283889][T10911]  dump_stack_lvl+0xd0/0x124
[  459.285142][T10911]  dump_stack+0x1c/0x28
[  459.286287][T10911]  sysfs_create_dir_ns+0x278/0x318
[  459.287621][T10911]  kobject_add_internal+0x514/0xadc
[  459.288999][T10911]  kobject_add+0x14c/0x224
[  459.290189][T10911]  device_add+0x3a0/0xaac
[  459.291332][T10911]  device_register+0x28/0x38
[  459.292590][T10911]  tty_register_device_attr+0x3a4/0x7d4
[  459.294114][T10911]  tty_register_device+0x3c/0x50
[  459.295424][T10911]  gsm_activate_mux+0xdc/0x268
[  459.296753][T10911]  gsmld_ioctl+0x16f0/0x2310
[  459.298005][T10911]  tty_ioctl+0x924/0xd8c
[  459.299163][T10911]  __arm64_sys_ioctl+0x14c/0x1c8
[  459.300446][T10911]  invoke_syscall+0x98/0x2b8
[  459.301684][T10911]  el0_svc_common+0x130/0x23c
[  459.302981][T10911]  do_el0_svc+0x48/0x58
[  459.304095][T10911]  el0_svc+0x58/0x16c
[  459.305156][T10911]  el0t_64_sync_handler+0x84/0xfc
[  459.306496][T10911]  el0t_64_sync+0x190/0x194
[  459.313093][T10911] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.500181][T10914] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  459.504308][T10914] CPU: 0 PID: 10914 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  459.507170][T10914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  459.509888][T10914] Call trace:
[  459.510761][T10914]  dump_backtrace+0x1b8/0x1e4
[  459.512040][T10914]  show_stack+0x2c/0x44
[  459.513144][T10914]  dump_stack_lvl+0xd0/0x124
[  459.514365][T10914]  dump_stack+0x1c/0x28
[  459.515476][T10914]  sysfs_create_dir_ns+0x278/0x318
[  459.516826][T10914]  kobject_add_internal+0x514/0xadc
[  459.518224][T10914]  kobject_add+0x14c/0x224
[  459.519405][T10914]  device_add+0x3a0/0xaac
[  459.520580][T10914]  device_register+0x28/0x38
[  459.521826][T10914]  tty_register_device_attr+0x3a4/0x7d4
[  459.523264][T10914]  tty_register_device+0x3c/0x50
[  459.524597][T10914]  gsm_activate_mux+0xdc/0x268
[  459.525906][T10914]  gsmld_ioctl+0x16f0/0x2310
[  459.527153][T10914]  tty_ioctl+0x924/0xd8c
[  459.528298][T10914]  __arm64_sys_ioctl+0x14c/0x1c8
[  459.529636][T10914]  invoke_syscall+0x98/0x2b8
[  459.530854][T10914]  el0_svc_common+0x130/0x23c
[  459.532083][T10914]  do_el0_svc+0x48/0x58
[  459.533174][T10914]  el0_svc+0x58/0x16c
[  459.534285][T10914]  el0t_64_sync_handler+0x84/0xfc
[  459.535688][T10914]  el0t_64_sync+0x190/0x194
[  459.553845][T10914] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.733665][T10917] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  459.737965][T10917] CPU: 1 PID: 10917 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  459.740761][T10917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  459.743315][T10917] Call trace:
[  459.744122][T10917]  dump_backtrace+0x1b8/0x1e4
[  459.745313][T10917]  show_stack+0x2c/0x44
[  459.746371][T10917]  dump_stack_lvl+0xd0/0x124
[  459.747611][T10917]  dump_stack+0x1c/0x28
[  459.748743][T10917]  sysfs_create_dir_ns+0x278/0x318
[  459.750108][T10917]  kobject_add_internal+0x514/0xadc
[  459.751550][T10917]  kobject_add+0x14c/0x224
[  459.752773][T10917]  device_add+0x3a0/0xaac
[  459.753986][T10917]  device_register+0x28/0x38
[  459.755247][T10917]  tty_register_device_attr+0x3a4/0x7d4
[  459.756709][T10917]  tty_register_device+0x3c/0x50
[  459.758050][T10917]  gsm_activate_mux+0xdc/0x268
[  459.759381][T10917]  gsmld_ioctl+0x16f0/0x2310
[  459.760621][T10917]  tty_ioctl+0x924/0xd8c
[  459.761813][T10917]  __arm64_sys_ioctl+0x14c/0x1c8
[  459.763150][T10917]  invoke_syscall+0x98/0x2b8
[  459.764445][T10917]  el0_svc_common+0x130/0x23c
[  459.765766][T10917]  do_el0_svc+0x48/0x58
[  459.766897][T10917]  el0_svc+0x58/0x16c
[  459.768001][T10917]  el0t_64_sync_handler+0x84/0xfc
[  459.769375][T10917]  el0t_64_sync+0x190/0x194
[  459.776295][T10917] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.143902][T10921] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  460.151429][T10921] CPU: 1 PID: 10921 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  460.154129][T10921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  460.156870][T10921] Call trace:
[  460.157782][T10921]  dump_backtrace+0x1b8/0x1e4
[  460.158988][T10921]  show_stack+0x2c/0x44
[  460.160072][T10921]  dump_stack_lvl+0xd0/0x124
[  460.161301][T10921]  dump_stack+0x1c/0x28
[  460.162406][T10921]  sysfs_create_dir_ns+0x278/0x318
[  460.163767][T10921]  kobject_add_internal+0x514/0xadc
[  460.165180][T10921]  kobject_add+0x14c/0x224
[  460.166361][T10921]  device_add+0x3a0/0xaac
[  460.167594][T10921]  device_register+0x28/0x38
[  460.168816][T10921]  tty_register_device_attr+0x3a4/0x7d4
[  460.170351][T10921]  tty_register_device+0x3c/0x50
[  460.171733][T10921]  gsm_activate_mux+0xdc/0x268
[  460.173014][T10921]  gsmld_ioctl+0x16f0/0x2310
[  460.174257][T10921]  tty_ioctl+0x924/0xd8c
[  460.175435][T10921]  __arm64_sys_ioctl+0x14c/0x1c8
[  460.176760][T10921]  invoke_syscall+0x98/0x2b8
[  460.177995][T10921]  el0_svc_common+0x130/0x23c
[  460.179265][T10921]  do_el0_svc+0x48/0x58
[  460.180365][T10921]  el0_svc+0x58/0x16c
[  460.181433][T10921]  el0t_64_sync_handler+0x84/0xfc
[  460.182796][T10921]  el0t_64_sync+0x190/0x194
[  460.195061][T10921] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.453753][T10925] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  460.459198][T10925] CPU: 1 PID: 10925 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  460.462146][T10925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  460.464807][T10925] Call trace:
[  460.465783][T10925]  dump_backtrace+0x1b8/0x1e4
[  460.467128][T10925]  show_stack+0x2c/0x44
[  460.468280][T10925]  dump_stack_lvl+0xd0/0x124
[  460.469550][T10925]  dump_stack+0x1c/0x28
[  460.470730][T10925]  sysfs_create_dir_ns+0x278/0x318
[  460.472140][T10925]  kobject_add_internal+0x514/0xadc
[  460.473626][T10925]  kobject_add+0x14c/0x224
[  460.474874][T10925]  device_add+0x3a0/0xaac
[  460.476055][T10925]  device_register+0x28/0x38
[  460.477369][T10925]  tty_register_device_attr+0x3a4/0x7d4
[  460.478957][T10925]  tty_register_device+0x3c/0x50
[  460.480290][T10925]  gsm_activate_mux+0xdc/0x268
[  460.481620][T10925]  gsmld_ioctl+0x16f0/0x2310
[  460.482952][T10925]  tty_ioctl+0x924/0xd8c
[  460.484113][T10925]  __arm64_sys_ioctl+0x14c/0x1c8
[  460.485425][T10925]  invoke_syscall+0x98/0x2b8
[  460.486785][T10925]  el0_svc_common+0x130/0x23c
[  460.488038][T10925]  do_el0_svc+0x48/0x58
[  460.489127][T10925]  el0_svc+0x58/0x16c
[  460.490205][T10925]  el0t_64_sync_handler+0x84/0xfc
[  460.491631][T10925]  el0t_64_sync+0x190/0x194
[  460.496870][T10925] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.693755][T10928] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  460.698886][T10928] CPU: 0 PID: 10928 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  460.701988][T10928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  460.704816][T10928] Call trace:
[  460.705704][T10928]  dump_backtrace+0x1b8/0x1e4
[  460.706955][T10928]  show_stack+0x2c/0x44
[  460.708090][T10928]  dump_stack_lvl+0xd0/0x124
[  460.709392][T10928]  dump_stack+0x1c/0x28
[  460.710594][T10928]  sysfs_create_dir_ns+0x278/0x318
[  460.712014][T10928]  kobject_add_internal+0x514/0xadc
[  460.713476][T10928]  kobject_add+0x14c/0x224
[  460.714698][T10928]  device_add+0x3a0/0xaac
[  460.715856][T10928]  device_register+0x28/0x38
[  460.717111][T10928]  tty_register_device_attr+0x3a4/0x7d4
[  460.718613][T10928]  tty_register_device+0x3c/0x50
[  460.719941][T10928]  gsm_activate_mux+0xdc/0x268
[  460.721205][T10928]  gsmld_ioctl+0x16f0/0x2310
[  460.722372][T10928]  tty_ioctl+0x924/0xd8c
[  460.723506][T10928]  __arm64_sys_ioctl+0x14c/0x1c8
[  460.724852][T10928]  invoke_syscall+0x98/0x2b8
[  460.726042][T10928]  el0_svc_common+0x130/0x23c
[  460.727324][T10928]  do_el0_svc+0x48/0x58
[  460.728491][T10928]  el0_svc+0x58/0x16c
[  460.729592][T10928]  el0t_64_sync_handler+0x84/0xfc
[  460.730929][T10928]  el0t_64_sync+0x190/0x194
[  460.738143][T10928] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.934468][T10932] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  460.937147][T10932] CPU: 1 PID: 10932 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  460.940047][T10932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  460.942793][T10932] Call trace:
[  460.943693][T10932]  dump_backtrace+0x1b8/0x1e4
[  460.944966][T10932]  show_stack+0x2c/0x44
[  460.946083][T10932]  dump_stack_lvl+0xd0/0x124
[  460.947309][T10932]  dump_stack+0x1c/0x28
[  460.948419][T10932]  sysfs_create_dir_ns+0x278/0x318
[  460.949801][T10932]  kobject_add_internal+0x514/0xadc
[  460.951252][T10932]  kobject_add+0x14c/0x224
[  460.952453][T10932]  device_add+0x3a0/0xaac
[  460.953652][T10932]  device_register+0x28/0x38
[  460.954926][T10932]  tty_register_device_attr+0x3a4/0x7d4
[  460.956440][T10932]  tty_register_device+0x3c/0x50
[  460.957790][T10932]  gsm_activate_mux+0xdc/0x268
[  460.959055][T10932]  gsmld_ioctl+0x16f0/0x2310
[  460.960261][T10932]  tty_ioctl+0x924/0xd8c
[  460.961420][T10932]  __arm64_sys_ioctl+0x14c/0x1c8
[  460.962719][T10932]  invoke_syscall+0x98/0x2b8
[  460.963951][T10932]  el0_svc_common+0x130/0x23c
[  460.965203][T10932]  do_el0_svc+0x48/0x58
[  460.966344][T10932]  el0_svc+0x58/0x16c
[  460.967465][T10932]  el0t_64_sync_handler+0x84/0xfc
[  460.968810][T10932]  el0t_64_sync+0x190/0x194
[  460.977945][T10932] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.983985][T10932] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  460.988384][T10932] CPU: 1 PID: 10932 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  460.991096][T10932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  460.993703][T10932] Call trace:
[  460.994582][T10932]  dump_backtrace+0x1b8/0x1e4
[  460.995790][T10932]  show_stack+0x2c/0x44
[  460.996897][T10932]  dump_stack_lvl+0xd0/0x124
[  460.998106][T10932]  dump_stack+0x1c/0x28
[  460.999252][T10932]  sysfs_create_dir_ns+0x278/0x318
[  461.000697][T10932]  kobject_add_internal+0x514/0xadc
[  461.002050][T10932]  kobject_add+0x14c/0x224
[  461.003204][T10932]  device_add+0x3a0/0xaac
[  461.004418][T10932]  device_register+0x28/0x38
[  461.005710][T10932]  tty_register_device_attr+0x3a4/0x7d4
[  461.007193][T10932]  tty_register_device+0x3c/0x50
[  461.008553][T10932]  gsm_activate_mux+0xdc/0x268
[  461.009885][T10932]  gsmld_ioctl+0x16f0/0x2310
[  461.011159][T10932]  tty_ioctl+0x924/0xd8c
[  461.012259][T10932]  __arm64_sys_ioctl+0x14c/0x1c8
[  461.013575][T10932]  invoke_syscall+0x98/0x2b8
[  461.014822][T10932]  el0_svc_common+0x130/0x23c
[  461.016073][T10932]  do_el0_svc+0x48/0x58
[  461.017257][T10932]  el0_svc+0x58/0x16c
[  461.018377][T10932]  el0t_64_sync_handler+0x84/0xfc
[  461.019734][T10932]  el0t_64_sync+0x190/0x194
[  461.026062][T10932] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.190965][T10935] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  461.193990][T10935] CPU: 0 PID: 10935 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  461.196911][T10935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  461.199622][T10935] Call trace:
[  461.200592][T10935]  dump_backtrace+0x1b8/0x1e4
[  461.201912][T10935]  show_stack+0x2c/0x44
[  461.203022][T10935]  dump_stack_lvl+0xd0/0x124
[  461.204267][T10935]  dump_stack+0x1c/0x28
[  461.205444][T10935]  sysfs_create_dir_ns+0x278/0x318
[  461.206798][T10935]  kobject_add_internal+0x514/0xadc
[  461.208194][T10935]  kobject_add+0x14c/0x224
[  461.209385][T10935]  device_add+0x3a0/0xaac
[  461.210524][T10935]  device_register+0x28/0x38
[  461.211724][T10935]  tty_register_device_attr+0x3a4/0x7d4
[  461.213141][T10935]  tty_register_device+0x3c/0x50
[  461.214460][T10935]  gsm_activate_mux+0xdc/0x268
[  461.215760][T10935]  gsmld_ioctl+0x16f0/0x2310
[  461.216989][T10935]  tty_ioctl+0x924/0xd8c
[  461.218112][T10935]  __arm64_sys_ioctl+0x14c/0x1c8
[  461.219442][T10935]  invoke_syscall+0x98/0x2b8
[  461.220658][T10935]  el0_svc_common+0x130/0x23c
[  461.221924][T10935]  do_el0_svc+0x48/0x58
[  461.223122][T10935]  el0_svc+0x58/0x16c
[  461.224162][T10935]  el0t_64_sync_handler+0x84/0xfc
[  461.225491][T10935]  el0t_64_sync+0x190/0x194
[  461.232651][T10935] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.431541][T10938] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  461.433719][T10938] CPU: 0 PID: 10938 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  461.436423][T10938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  461.439168][T10938] Call trace:
[  461.440044][T10938]  dump_backtrace+0x1b8/0x1e4
[  461.441380][T10938]  show_stack+0x2c/0x44
[  461.442525][T10938]  dump_stack_lvl+0xd0/0x124
[  461.443784][T10938]  dump_stack+0x1c/0x28
[  461.444943][T10938]  sysfs_create_dir_ns+0x278/0x318
[  461.446355][T10938]  kobject_add_internal+0x514/0xadc
[  461.447813][T10938]  kobject_add+0x14c/0x224
[  461.449028][T10938]  device_add+0x3a0/0xaac
[  461.450239][T10938]  device_register+0x28/0x38
[  461.451473][T10938]  tty_register_device_attr+0x3a4/0x7d4
[  461.452955][T10938]  tty_register_device+0x3c/0x50
[  461.454276][T10938]  gsm_activate_mux+0xdc/0x268
[  461.455576][T10938]  gsmld_ioctl+0x16f0/0x2310
[  461.456839][T10938]  tty_ioctl+0x924/0xd8c
[  461.458008][T10938]  __arm64_sys_ioctl+0x14c/0x1c8
[  461.459370][T10938]  invoke_syscall+0x98/0x2b8
[  461.460619][T10938]  el0_svc_common+0x130/0x23c
[  461.461911][T10938]  do_el0_svc+0x48/0x58
[  461.463027][T10938]  el0_svc+0x58/0x16c
[  461.464109][T10938]  el0t_64_sync_handler+0x84/0xfc
[  461.465433][T10938]  el0t_64_sync+0x190/0x194
[  461.468327][T10938] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.474494][T10938] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  461.477966][T10938] CPU: 1 PID: 10938 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  461.480845][T10938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  461.483550][T10938] Call trace:
[  461.484409][T10938]  dump_backtrace+0x1b8/0x1e4
[  461.485686][T10938]  show_stack+0x2c/0x44
[  461.486859][T10938]  dump_stack_lvl+0xd0/0x124
[  461.488140][T10938]  dump_stack+0x1c/0x28
[  461.489239][T10938]  sysfs_create_dir_ns+0x278/0x318
[  461.490627][T10938]  kobject_add_internal+0x514/0xadc
[  461.492032][T10938]  kobject_add+0x14c/0x224
[  461.493216][T10938]  device_add+0x3a0/0xaac
[  461.494422][T10938]  device_register+0x28/0x38
[  461.495696][T10938]  tty_register_device_attr+0x3a4/0x7d4
[  461.497212][T10938]  tty_register_device+0x3c/0x50
[  461.498545][T10938]  gsm_activate_mux+0xdc/0x268
[  461.499862][T10938]  gsmld_ioctl+0x16f0/0x2310
[  461.501127][T10938]  tty_ioctl+0x924/0xd8c
[  461.502291][T10938]  __arm64_sys_ioctl+0x14c/0x1c8
[  461.503660][T10938]  invoke_syscall+0x98/0x2b8
[  461.504927][T10938]  el0_svc_common+0x130/0x23c
[  461.506293][T10938]  do_el0_svc+0x48/0x58
[  461.507412][T10938]  el0_svc+0x58/0x16c
[  461.508591][T10938]  el0t_64_sync_handler+0x84/0xfc
[  461.509927][T10938]  el0t_64_sync+0x190/0x194
[  461.511284][T10938] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.681498][T10941] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  461.685815][T10941] CPU: 1 PID: 10941 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  461.688871][T10941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  461.691601][T10941] Call trace:
[  461.692514][T10941]  dump_backtrace+0x1b8/0x1e4
[  461.693782][T10941]  show_stack+0x2c/0x44
[  461.694914][T10941]  dump_stack_lvl+0xd0/0x124
[  461.696138][T10941]  dump_stack+0x1c/0x28
[  461.697281][T10941]  sysfs_create_dir_ns+0x278/0x318
[  461.698681][T10941]  kobject_add_internal+0x514/0xadc
[  461.700102][T10941]  kobject_add+0x14c/0x224
[  461.701349][T10941]  device_add+0x3a0/0xaac
[  461.702499][T10941]  device_register+0x28/0x38
[  461.703740][T10941]  tty_register_device_attr+0x3a4/0x7d4
[  461.705300][T10941]  tty_register_device+0x3c/0x50
[  461.706620][T10941]  gsm_activate_mux+0xdc/0x268
[  461.707916][T10941]  gsmld_ioctl+0x16f0/0x2310
[  461.709151][T10941]  tty_ioctl+0x924/0xd8c
[  461.710375][T10941]  __arm64_sys_ioctl+0x14c/0x1c8
[  461.711721][T10941]  invoke_syscall+0x98/0x2b8
[  461.712985][T10941]  el0_svc_common+0x130/0x23c
[  461.714320][T10941]  do_el0_svc+0x48/0x58
[  461.715426][T10941]  el0_svc+0x58/0x16c
[  461.716499][T10941]  el0t_64_sync_handler+0x84/0xfc
[  461.717858][T10941]  el0t_64_sync+0x190/0x194
[  461.726842][T10941] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  462.095421][T10944] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  462.102652][T10944] CPU: 1 PID: 10944 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  462.105602][T10944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  462.108370][T10944] Call trace:
[  462.109292][T10944]  dump_backtrace+0x1b8/0x1e4
[  462.110622][T10944]  show_stack+0x2c/0x44
[  462.111774][T10944]  dump_stack_lvl+0xd0/0x124
[  462.113129][T10944]  dump_stack+0x1c/0x28
[  462.114262][T10944]  sysfs_create_dir_ns+0x278/0x318
[  462.115713][T10944]  kobject_add_internal+0x514/0xadc
[  462.117290][T10944]  kobject_add+0x14c/0x224
[  462.118592][T10944]  device_add+0x3a0/0xaac
[  462.119857][T10944]  device_register+0x28/0x38
[  462.121186][T10944]  tty_register_device_attr+0x3a4/0x7d4
[  462.122859][T10944]  tty_register_device+0x3c/0x50
[  462.124233][T10944]  gsm_activate_mux+0xdc/0x268
[  462.125589][T10944]  gsmld_ioctl+0x16f0/0x2310
[  462.126934][T10944]  tty_ioctl+0x924/0xd8c
[  462.128170][T10944]  __arm64_sys_ioctl+0x14c/0x1c8
[  462.129618][T10944]  invoke_syscall+0x98/0x2b8
[  462.130944][T10944]  el0_svc_common+0x130/0x23c
[  462.132357][T10944]  do_el0_svc+0x48/0x58
[  462.133582][T10944]  el0_svc+0x58/0x16c
[  462.134759][T10944]  el0t_64_sync_handler+0x84/0xfc
[  462.136181][T10944]  el0t_64_sync+0x190/0x194
[  462.145787][T10944] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  462.544514][T10949] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  462.550659][T10949] CPU: 0 PID: 10949 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  462.553570][T10949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  462.556234][T10949] Call trace:
[  462.557115][T10949]  dump_backtrace+0x1b8/0x1e4
[  462.558336][T10949]  show_stack+0x2c/0x44
[  462.559444][T10949]  dump_stack_lvl+0xd0/0x124
[  462.560705][T10949]  dump_stack+0x1c/0x28
[  462.561812][T10949]  sysfs_create_dir_ns+0x278/0x318
[  462.563281][T10949]  kobject_add_internal+0x514/0xadc
[  462.564714][T10949]  kobject_add+0x14c/0x224
[  462.565913][T10949]  device_add+0x3a0/0xaac
[  462.567125][T10949]  device_register+0x28/0x38
[  462.568349][T10949]  tty_register_device_attr+0x3a4/0x7d4
[  462.569833][T10949]  tty_register_device+0x3c/0x50
[  462.571159][T10949]  gsm_activate_mux+0xdc/0x268
[  462.572467][T10949]  gsmld_ioctl+0x16f0/0x2310
[  462.573761][T10949]  tty_ioctl+0x924/0xd8c
[  462.574968][T10949]  __arm64_sys_ioctl+0x14c/0x1c8
[  462.576291][T10949]  invoke_syscall+0x98/0x2b8
[  462.577530][T10949]  el0_svc_common+0x130/0x23c
[  462.578849][T10949]  do_el0_svc+0x48/0x58
[  462.580073][T10949]  el0_svc+0x58/0x16c
[  462.581093][T10949]  el0t_64_sync_handler+0x84/0xfc
[  462.582462][T10949]  el0t_64_sync+0x190/0x194
[  462.597880][T10949] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  462.853527][T10952] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  462.855968][T10952] CPU: 0 PID: 10952 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  462.858828][T10952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  462.861508][T10952] Call trace:
[  462.862371][T10952]  dump_backtrace+0x1b8/0x1e4
[  462.863639][T10952]  show_stack+0x2c/0x44
[  462.864738][T10952]  dump_stack_lvl+0xd0/0x124
[  462.866045][T10952]  dump_stack+0x1c/0x28
[  462.867193][T10952]  sysfs_create_dir_ns+0x278/0x318
[  462.868604][T10952]  kobject_add_internal+0x514/0xadc
[  462.870101][T10952]  kobject_add+0x14c/0x224
[  462.871303][T10952]  device_add+0x3a0/0xaac
[  462.872467][T10952]  device_register+0x28/0x38
[  462.873760][T10952]  tty_register_device_attr+0x3a4/0x7d4
[  462.875242][T10952]  tty_register_device+0x3c/0x50
[  462.876546][T10952]  gsm_activate_mux+0xdc/0x268
[  462.877910][T10952]  gsmld_ioctl+0x16f0/0x2310
[  462.879129][T10952]  tty_ioctl+0x924/0xd8c
[  462.880274][T10952]  __arm64_sys_ioctl+0x14c/0x1c8
[  462.881658][T10952]  invoke_syscall+0x98/0x2b8
[  462.882880][T10952]  el0_svc_common+0x130/0x23c
[  462.884157][T10952]  do_el0_svc+0x48/0x58
[  462.885262][T10952]  el0_svc+0x58/0x16c
[  462.886298][T10952]  el0t_64_sync_handler+0x84/0xfc
[  462.887694][T10952]  el0t_64_sync+0x190/0x194
[  462.895409][T10952] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  463.085957][T10955] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  463.090537][T10955] CPU: 1 PID: 10955 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  463.093387][T10955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  463.096162][T10955] Call trace:
[  463.097010][T10955]  dump_backtrace+0x1b8/0x1e4
[  463.098298][T10955]  show_stack+0x2c/0x44
[  463.099440][T10955]  dump_stack_lvl+0xd0/0x124
[  463.100697][T10955]  dump_stack+0x1c/0x28
[  463.101866][T10955]  sysfs_create_dir_ns+0x278/0x318
[  463.103240][T10955]  kobject_add_internal+0x514/0xadc
[  463.104705][T10955]  kobject_add+0x14c/0x224
[  463.105975][T10955]  device_add+0x3a0/0xaac
[  463.107096][T10955]  device_register+0x28/0x38
[  463.108367][T10955]  tty_register_device_attr+0x3a4/0x7d4
[  463.109872][T10955]  tty_register_device+0x3c/0x50
[  463.111159][T10955]  gsm_activate_mux+0xdc/0x268
[  463.112407][T10955]  gsmld_ioctl+0x16f0/0x2310
[  463.113636][T10955]  tty_ioctl+0x924/0xd8c
[  463.114798][T10955]  __arm64_sys_ioctl+0x14c/0x1c8
[  463.116133][T10955]  invoke_syscall+0x98/0x2b8
[  463.117424][T10955]  el0_svc_common+0x130/0x23c
[  463.118713][T10955]  do_el0_svc+0x48/0x58
[  463.119832][T10955]  el0_svc+0x58/0x16c
[  463.120923][T10955]  el0t_64_sync_handler+0x84/0xfc
[  463.122302][T10955]  el0t_64_sync+0x190/0x194
[  463.129357][T10955] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  463.481259][T10958] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  463.484063][T10958] CPU: 1 PID: 10958 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  463.486927][T10958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  463.489645][T10958] Call trace:
[  463.490550][T10958]  dump_backtrace+0x1b8/0x1e4
[  463.491797][T10958]  show_stack+0x2c/0x44
[  463.492902][T10958]  dump_stack_lvl+0xd0/0x124
[  463.494142][T10958]  dump_stack+0x1c/0x28
[  463.495250][T10958]  sysfs_create_dir_ns+0x278/0x318
[  463.496641][T10958]  kobject_add_internal+0x514/0xadc
[  463.498073][T10958]  kobject_add+0x14c/0x224
[  463.499262][T10958]  device_add+0x3a0/0xaac
[  463.500416][T10958]  device_register+0x28/0x38
[  463.501695][T10958]  tty_register_device_attr+0x3a4/0x7d4
[  463.503174][T10958]  tty_register_device+0x3c/0x50
[  463.504489][T10958]  gsm_activate_mux+0xdc/0x268
[  463.505795][T10958]  gsmld_ioctl+0x16f0/0x2310
[  463.507141][T10958]  tty_ioctl+0x924/0xd8c
[  463.508277][T10958]  __arm64_sys_ioctl+0x14c/0x1c8
[  463.509640][T10958]  invoke_syscall+0x98/0x2b8
[  463.510899][T10958]  el0_svc_common+0x130/0x23c
[  463.512172][T10958]  do_el0_svc+0x48/0x58
[  463.513303][T10958]  el0_svc+0x58/0x16c
[  463.514408][T10958]  el0t_64_sync_handler+0x84/0xfc
[  463.515785][T10958]  el0t_64_sync+0x190/0x194
[  463.518296][T10958] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  463.789088][T10962] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  463.792397][T10962] CPU: 0 PID: 10962 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  463.795141][T10962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  463.797996][T10962] Call trace:
[  463.798878][T10962]  dump_backtrace+0x1b8/0x1e4
[  463.800152][T10962]  show_stack+0x2c/0x44
[  463.801324][T10962]  dump_stack_lvl+0xd0/0x124
[  463.802614][T10962]  dump_stack+0x1c/0x28
[  463.803798][T10962]  sysfs_create_dir_ns+0x278/0x318
[  463.805233][T10962]  kobject_add_internal+0x514/0xadc
[  463.806663][T10962]  kobject_add+0x14c/0x224
[  463.807853][T10962]  device_add+0x3a0/0xaac
[  463.809086][T10962]  device_register+0x28/0x38
[  463.810413][T10962]  tty_register_device_attr+0x3a4/0x7d4
[  463.812079][T10962]  tty_register_device+0x3c/0x50
[  463.813447][T10962]  gsm_activate_mux+0xdc/0x268
[  463.814767][T10962]  gsmld_ioctl+0x16f0/0x2310
[  463.816025][T10962]  tty_ioctl+0x924/0xd8c
[  463.817187][T10962]  __arm64_sys_ioctl+0x14c/0x1c8
[  463.818545][T10962]  invoke_syscall+0x98/0x2b8
[  463.819861][T10962]  el0_svc_common+0x130/0x23c
[  463.821121][T10962]  do_el0_svc+0x48/0x58
[  463.822275][T10962]  el0_svc+0x58/0x16c
[  463.823429][T10962]  el0t_64_sync_handler+0x84/0xfc
[  463.824864][T10962]  el0t_64_sync+0x190/0x194
[  463.846877][T10962] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.020829][T10965] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  464.023071][T10965] CPU: 0 PID: 10965 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  464.025923][T10965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  464.028700][T10965] Call trace:
[  464.029621][T10965]  dump_backtrace+0x1b8/0x1e4
[  464.030889][T10965]  show_stack+0x2c/0x44
[  464.032026][T10965]  dump_stack_lvl+0xd0/0x124
[  464.033282][T10965]  dump_stack+0x1c/0x28
[  464.034484][T10965]  sysfs_create_dir_ns+0x278/0x318
[  464.035895][T10965]  kobject_add_internal+0x514/0xadc
[  464.037326][T10965]  kobject_add+0x14c/0x224
[  464.038585][T10965]  device_add+0x3a0/0xaac
[  464.039762][T10965]  device_register+0x28/0x38
[  464.041066][T10965]  tty_register_device_attr+0x3a4/0x7d4
[  464.042524][T10965]  tty_register_device+0x3c/0x50
[  464.043864][T10965]  gsm_activate_mux+0xdc/0x268
[  464.045195][T10965]  gsmld_ioctl+0x16f0/0x2310
[  464.046494][T10965]  tty_ioctl+0x924/0xd8c
[  464.047654][T10965]  __arm64_sys_ioctl+0x14c/0x1c8
[  464.049006][T10965]  invoke_syscall+0x98/0x2b8
[  464.050283][T10965]  el0_svc_common+0x130/0x23c
[  464.051595][T10965]  do_el0_svc+0x48/0x58
[  464.052740][T10965]  el0_svc+0x58/0x16c
[  464.053888][T10965]  el0t_64_sync_handler+0x84/0xfc
[  464.055276][T10965]  el0t_64_sync+0x190/0x194
[  464.064094][T10965] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.068598][T10965] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  464.070888][T10965] CPU: 0 PID: 10965 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  464.073624][T10965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  464.076324][T10965] Call trace:
[  464.077219][T10965]  dump_backtrace+0x1b8/0x1e4
[  464.078524][T10965]  show_stack+0x2c/0x44
[  464.079744][T10965]  dump_stack_lvl+0xd0/0x124
[  464.081052][T10965]  dump_stack+0x1c/0x28
[  464.082198][T10965]  sysfs_create_dir_ns+0x278/0x318
[  464.083671][T10965]  kobject_add_internal+0x514/0xadc
[  464.085118][T10965]  kobject_add+0x14c/0x224
[  464.086348][T10965]  device_add+0x3a0/0xaac
[  464.087582][T10965]  device_register+0x28/0x38
[  464.088914][T10965]  tty_register_device_attr+0x3a4/0x7d4
[  464.090515][T10965]  tty_register_device+0x3c/0x50
[  464.091874][T10965]  gsm_activate_mux+0xdc/0x268
[  464.093219][T10965]  gsmld_ioctl+0x16f0/0x2310
[  464.094475][T10965]  tty_ioctl+0x924/0xd8c
[  464.095672][T10965]  __arm64_sys_ioctl+0x14c/0x1c8
[  464.097081][T10965]  invoke_syscall+0x98/0x2b8
[  464.098363][T10965]  el0_svc_common+0x130/0x23c
[  464.099640][T10965]  do_el0_svc+0x48/0x58
[  464.100819][T10965]  el0_svc+0x58/0x16c
[  464.102004][T10965]  el0t_64_sync_handler+0x84/0xfc
[  464.103413][T10965]  el0t_64_sync+0x190/0x194
[  464.105714][T10965] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.280836][T10968] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  464.283960][T10968] CPU: 1 PID: 10968 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  464.286750][T10968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  464.289378][T10968] Call trace:
[  464.290283][T10968]  dump_backtrace+0x1b8/0x1e4
[  464.291499][T10968]  show_stack+0x2c/0x44
[  464.292632][T10968]  dump_stack_lvl+0xd0/0x124
[  464.293794][T10968]  dump_stack+0x1c/0x28
[  464.294940][T10968]  sysfs_create_dir_ns+0x278/0x318
[  464.296275][T10968]  kobject_add_internal+0x514/0xadc
[  464.297715][T10968]  kobject_add+0x14c/0x224
[  464.298906][T10968]  device_add+0x3a0/0xaac
[  464.300138][T10968]  device_register+0x28/0x38
[  464.301391][T10968]  tty_register_device_attr+0x3a4/0x7d4
[  464.302916][T10968]  tty_register_device+0x3c/0x50
[  464.304219][T10968]  gsm_activate_mux+0xdc/0x268
[  464.305524][T10968]  gsmld_ioctl+0x16f0/0x2310
[  464.306794][T10968]  tty_ioctl+0x924/0xd8c
[  464.307919][T10968]  __arm64_sys_ioctl+0x14c/0x1c8
[  464.309246][T10968]  invoke_syscall+0x98/0x2b8
[  464.310458][T10968]  el0_svc_common+0x130/0x23c
[  464.311735][T10968]  do_el0_svc+0x48/0x58
[  464.312855][T10968]  el0_svc+0x58/0x16c
[  464.313904][T10968]  el0t_64_sync_handler+0x84/0xfc
[  464.315287][T10968]  el0t_64_sync+0x190/0x194
[  464.323774][T10968] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.518413][T10971] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  464.520656][T10971] CPU: 1 PID: 10971 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  464.523373][T10971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  464.526094][T10971] Call trace:
[  464.527002][T10971]  dump_backtrace+0x1b8/0x1e4
[  464.528230][T10971]  show_stack+0x2c/0x44
[  464.529369][T10971]  dump_stack_lvl+0xd0/0x124
[  464.530650][T10971]  dump_stack+0x1c/0x28
[  464.531832][T10971]  sysfs_create_dir_ns+0x278/0x318
[  464.533228][T10971]  kobject_add_internal+0x514/0xadc
[  464.534603][T10971]  kobject_add+0x14c/0x224
[  464.535805][T10971]  device_add+0x3a0/0xaac
[  464.536947][T10971]  device_register+0x28/0x38
[  464.538230][T10971]  tty_register_device_attr+0x3a4/0x7d4
[  464.539727][T10971]  tty_register_device+0x3c/0x50
[  464.541048][T10971]  gsm_activate_mux+0xdc/0x268
[  464.542340][T10971]  gsmld_ioctl+0x16f0/0x2310
[  464.543579][T10971]  tty_ioctl+0x924/0xd8c
[  464.544752][T10971]  __arm64_sys_ioctl+0x14c/0x1c8
[  464.546097][T10971]  invoke_syscall+0x98/0x2b8
[  464.547343][T10971]  el0_svc_common+0x130/0x23c
[  464.548650][T10971]  do_el0_svc+0x48/0x58
[  464.549736][T10971]  el0_svc+0x58/0x16c
[  464.550814][T10971]  el0t_64_sync_handler+0x84/0xfc
[  464.552183][T10971]  el0t_64_sync+0x190/0x194
[  464.563352][T10971] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.758112][T10974] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  464.760434][T10974] CPU: 1 PID: 10974 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  464.763229][T10974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  464.765910][T10974] Call trace:
[  464.766831][T10974]  dump_backtrace+0x1b8/0x1e4
[  464.768133][T10974]  show_stack+0x2c/0x44
[  464.769294][T10974]  dump_stack_lvl+0xd0/0x124
[  464.770527][T10974]  dump_stack+0x1c/0x28
[  464.771693][T10974]  sysfs_create_dir_ns+0x278/0x318
[  464.773071][T10974]  kobject_add_internal+0x514/0xadc
[  464.774482][T10974]  kobject_add+0x14c/0x224
[  464.775710][T10974]  device_add+0x3a0/0xaac
[  464.776867][T10974]  device_register+0x28/0x38
[  464.778135][T10974]  tty_register_device_attr+0x3a4/0x7d4
[  464.779608][T10974]  tty_register_device+0x3c/0x50
[  464.780922][T10974]  gsm_activate_mux+0xdc/0x268
[  464.782210][T10974]  gsmld_ioctl+0x16f0/0x2310
[  464.783445][T10974]  tty_ioctl+0x924/0xd8c
[  464.784578][T10974]  __arm64_sys_ioctl+0x14c/0x1c8
[  464.785980][T10974]  invoke_syscall+0x98/0x2b8
[  464.787236][T10974]  el0_svc_common+0x130/0x23c
[  464.788506][T10974]  do_el0_svc+0x48/0x58
[  464.789700][T10974]  el0_svc+0x58/0x16c
[  464.790819][T10974]  el0t_64_sync_handler+0x84/0xfc
[  464.792209][T10974]  el0t_64_sync+0x190/0x194
[  464.797306][T10974] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  465.168849][T10977] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  465.171072][T10977] CPU: 1 PID: 10977 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  465.173778][T10977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  465.176436][T10977] Call trace:
[  465.177294][T10977]  dump_backtrace+0x1b8/0x1e4
[  465.178569][T10977]  show_stack+0x2c/0x44
[  465.179653][T10977]  dump_stack_lvl+0xd0/0x124
[  465.180903][T10977]  dump_stack+0x1c/0x28
[  465.182052][T10977]  sysfs_create_dir_ns+0x278/0x318
[  465.183400][T10977]  kobject_add_internal+0x514/0xadc
[  465.184771][T10977]  kobject_add+0x14c/0x224
[  465.186016][T10977]  device_add+0x3a0/0xaac
[  465.187230][T10977]  device_register+0x28/0x38
[  465.188453][T10977]  tty_register_device_attr+0x3a4/0x7d4
[  465.190008][T10977]  tty_register_device+0x3c/0x50
[  465.191349][T10977]  gsm_activate_mux+0xdc/0x268
[  465.192606][T10977]  gsmld_ioctl+0x16f0/0x2310
[  465.193773][T10977]  tty_ioctl+0x924/0xd8c
[  465.194927][T10977]  __arm64_sys_ioctl+0x14c/0x1c8
[  465.196267][T10977]  invoke_syscall+0x98/0x2b8
[  465.197589][T10977]  el0_svc_common+0x130/0x23c
[  465.198898][T10977]  do_el0_svc+0x48/0x58
[  465.199985][T10977]  el0_svc+0x58/0x16c
[  465.201119][T10977]  el0t_64_sync_handler+0x84/0xfc
[  465.202164][T10977]  el0t_64_sync+0x190/0x194
[  465.237725][T10977] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  465.608142][T10980] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  465.610401][T10980] CPU: 1 PID: 10980 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  465.613023][T10980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  465.615608][T10980] Call trace:
[  465.616486][T10980]  dump_backtrace+0x1b8/0x1e4
[  465.617741][T10980]  show_stack+0x2c/0x44
[  465.618839][T10980]  dump_stack_lvl+0xd0/0x124
[  465.620072][T10980]  dump_stack+0x1c/0x28
[  465.621175][T10980]  sysfs_create_dir_ns+0x278/0x318
[  465.622512][T10980]  kobject_add_internal+0x514/0xadc
[  465.623912][T10980]  kobject_add+0x14c/0x224
[  465.625098][T10980]  device_add+0x3a0/0xaac
[  465.626211][T10980]  device_register+0x28/0x38
[  465.627466][T10980]  tty_register_device_attr+0x3a4/0x7d4
[  465.628964][T10980]  tty_register_device+0x3c/0x50
[  465.630303][T10980]  gsm_activate_mux+0xdc/0x268
[  465.631580][T10980]  gsmld_ioctl+0x16f0/0x2310
[  465.632818][T10980]  tty_ioctl+0x924/0xd8c
[  465.633976][T10980]  __arm64_sys_ioctl+0x14c/0x1c8
[  465.635379][T10980]  invoke_syscall+0x98/0x2b8
[  465.636658][T10980]  el0_svc_common+0x130/0x23c
[  465.637980][T10980]  do_el0_svc+0x48/0x58
[  465.639160][T10980]  el0_svc+0x58/0x16c
[  465.640353][T10980]  el0t_64_sync_handler+0x84/0xfc
[  465.641782][T10980]  el0t_64_sync+0x190/0x194
[  465.663080][T10980] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  466.060437][T10982] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  466.063209][T10982] CPU: 0 PID: 10982 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  466.066119][T10982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  466.068950][T10982] Call trace:
[  466.069896][T10982]  dump_backtrace+0x1b8/0x1e4
[  466.071147][T10982]  show_stack+0x2c/0x44
[  466.072284][T10982]  dump_stack_lvl+0xd0/0x124
[  466.073532][T10982]  dump_stack+0x1c/0x28
[  466.074697][T10982]  sysfs_create_dir_ns+0x278/0x318
[  466.076169][T10982]  kobject_add_internal+0x514/0xadc
[  466.077608][T10982]  kobject_add+0x14c/0x224
[  466.078840][T10982]  device_add+0x3a0/0xaac
[  466.080035][T10982]  device_register+0x28/0x38
[  466.081302][T10982]  tty_register_device_attr+0x3a4/0x7d4
[  466.082782][T10982]  tty_register_device+0x3c/0x50
[  466.084190][T10982]  gsm_activate_mux+0xdc/0x268
[  466.085536][T10982]  gsmld_ioctl+0x16f0/0x2310
[  466.086828][T10982]  tty_ioctl+0x924/0xd8c
[  466.087979][T10982]  __arm64_sys_ioctl+0x14c/0x1c8
[  466.089291][T10982]  invoke_syscall+0x98/0x2b8
[  466.090578][T10982]  el0_svc_common+0x130/0x23c
[  466.091889][T10982]  do_el0_svc+0x48/0x58
[  466.093072][T10982]  el0_svc+0x58/0x16c
[  466.094220][T10982]  el0t_64_sync_handler+0x84/0xfc
[  466.095583][T10982]  el0t_64_sync+0x190/0x194
[  466.097524][T10982] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  466.370449][T10986] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  466.372698][T10986] CPU: 0 PID: 10986 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  466.375466][T10986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  466.378213][T10986] Call trace:
[  466.379087][T10986]  dump_backtrace+0x1b8/0x1e4
[  466.380351][T10986]  show_stack+0x2c/0x44
[  466.381507][T10986]  dump_stack_lvl+0xd0/0x124
[  466.382717][T10986]  dump_stack+0x1c/0x28
[  466.383873][T10986]  sysfs_create_dir_ns+0x278/0x318
[  466.385243][T10986]  kobject_add_internal+0x514/0xadc
[  466.386595][T10986]  kobject_add+0x14c/0x224
[  466.387850][T10986]  device_add+0x3a0/0xaac
[  466.389008][T10986]  device_register+0x28/0x38
[  466.390260][T10986]  tty_register_device_attr+0x3a4/0x7d4
[  466.391820][T10986]  tty_register_device+0x3c/0x50
[  466.393190][T10986]  gsm_activate_mux+0xdc/0x268
[  466.394543][T10986]  gsmld_ioctl+0x16f0/0x2310
[  466.395741][T10986]  tty_ioctl+0x924/0xd8c
[  466.396897][T10986]  __arm64_sys_ioctl+0x14c/0x1c8
[  466.398341][T10986]  invoke_syscall+0x98/0x2b8
[  466.399625][T10986]  el0_svc_common+0x130/0x23c
[  466.400909][T10986]  do_el0_svc+0x48/0x58
[  466.402020][T10986]  el0_svc+0x58/0x16c
[  466.403096][T10986]  el0t_64_sync_handler+0x84/0xfc
[  466.404520][T10986]  el0t_64_sync+0x190/0x194
[  466.417245][T10986] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  466.609415][T10989] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  466.613801][T10989] CPU: 1 PID: 10989 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  466.616720][T10989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  466.619524][T10989] Call trace:
[  466.620427][T10989]  dump_backtrace+0x1b8/0x1e4
[  466.621746][T10989]  show_stack+0x2c/0x44
[  466.622857][T10989]  dump_stack_lvl+0xd0/0x124
[  466.624045][T10989]  dump_stack+0x1c/0x28
[  466.625172][T10989]  sysfs_create_dir_ns+0x278/0x318
[  466.626595][T10989]  kobject_add_internal+0x514/0xadc
[  466.628026][T10989]  kobject_add+0x14c/0x224
[  466.629259][T10989]  device_add+0x3a0/0xaac
[  466.630416][T10989]  device_register+0x28/0x38
[  466.631686][T10989]  tty_register_device_attr+0x3a4/0x7d4
[  466.633228][T10989]  tty_register_device+0x3c/0x50
[  466.634608][T10989]  gsm_activate_mux+0xdc/0x268
[  466.635892][T10989]  gsmld_ioctl+0x16f0/0x2310
[  466.637140][T10989]  tty_ioctl+0x924/0xd8c
[  466.638333][T10989]  __arm64_sys_ioctl+0x14c/0x1c8
[  466.639747][T10989]  invoke_syscall+0x98/0x2b8
[  466.641026][T10989]  el0_svc_common+0x130/0x23c
[  466.642241][T10989]  do_el0_svc+0x48/0x58
[  466.643337][T10989]  el0_svc+0x58/0x16c
[  466.644437][T10989]  el0t_64_sync_handler+0x84/0xfc
[  466.645816][T10989]  el0t_64_sync+0x190/0x194
[  466.651692][T10989] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  466.656763][T10989] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  466.659353][T10989] CPU: 1 PID: 10989 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  466.662224][T10989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  466.665092][T10989] Call trace:
[  466.665875][T10989]  dump_backtrace+0x1b8/0x1e4
[  466.667165][T10989]  show_stack+0x2c/0x44
[  466.668283][T10989]  dump_stack_lvl+0xd0/0x124
[  466.669617][T10989]  dump_stack+0x1c/0x28
[  466.670666][T10989]  sysfs_create_dir_ns+0x278/0x318
[  466.672039][T10989]  kobject_add_internal+0x514/0xadc
[  466.673440][T10989]  kobject_add+0x14c/0x224
[  466.674631][T10989]  device_add+0x3a0/0xaac
[  466.675859][T10989]  device_register+0x28/0x38
[  466.677127][T10989]  tty_register_device_attr+0x3a4/0x7d4
[  466.678660][T10989]  tty_register_device+0x3c/0x50
[  466.680026][T10989]  gsm_activate_mux+0xdc/0x268
[  466.681392][T10989]  gsmld_ioctl+0x16f0/0x2310
[  466.682627][T10989]  tty_ioctl+0x924/0xd8c
[  466.683859][T10989]  __arm64_sys_ioctl+0x14c/0x1c8
[  466.685173][T10989]  invoke_syscall+0x98/0x2b8
[  466.686415][T10989]  el0_svc_common+0x130/0x23c
[  466.687715][T10989]  do_el0_svc+0x48/0x58
[  466.688892][T10989]  el0_svc+0x58/0x16c
[  466.689971][T10989]  el0t_64_sync_handler+0x84/0xfc
[  466.691352][T10989]  el0t_64_sync+0x190/0x194
[  466.696638][T10989] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  466.866651][T10992] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  466.868936][T10992] CPU: 0 PID: 10992 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  466.871632][T10992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  466.874270][T10992] Call trace:
[  466.875160][T10992]  dump_backtrace+0x1b8/0x1e4
[  466.876447][T10992]  show_stack+0x2c/0x44
[  466.877584][T10992]  dump_stack_lvl+0xd0/0x124
[  466.878883][T10992]  dump_stack+0x1c/0x28
[  466.880016][T10992]  sysfs_create_dir_ns+0x278/0x318
[  466.881378][T10992]  kobject_add_internal+0x514/0xadc
[  466.882781][T10992]  kobject_add+0x14c/0x224
[  466.883916][T10992]  device_add+0x3a0/0xaac
[  466.885018][T10992]  device_register+0x28/0x38
[  466.886299][T10992]  tty_register_device_attr+0x3a4/0x7d4
[  466.887830][T10992]  tty_register_device+0x3c/0x50
[  466.889174][T10992]  gsm_activate_mux+0xdc/0x268
[  466.890455][T10992]  gsmld_ioctl+0x16f0/0x2310
[  466.891723][T10992]  tty_ioctl+0x924/0xd8c
[  466.892851][T10992]  __arm64_sys_ioctl+0x14c/0x1c8
[  466.894167][T10992]  invoke_syscall+0x98/0x2b8
[  466.895419][T10992]  el0_svc_common+0x130/0x23c
[  466.896665][T10992]  do_el0_svc+0x48/0x58
[  466.897773][T10992]  el0_svc+0x58/0x16c
[  466.898862][T10992]  el0t_64_sync_handler+0x84/0xfc
[  466.900258][T10992]  el0t_64_sync+0x190/0x194
[  466.922518][T10992] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.243480][T10995] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  467.246667][T10995] CPU: 1 PID: 10995 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  467.249435][T10995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  467.252136][T10995] Call trace:
[  467.253077][T10995]  dump_backtrace+0x1b8/0x1e4
[  467.254386][T10995]  show_stack+0x2c/0x44
[  467.255533][T10995]  dump_stack_lvl+0xd0/0x124
[  467.256820][T10995]  dump_stack+0x1c/0x28
[  467.257903][T10995]  sysfs_create_dir_ns+0x278/0x318
[  467.259245][T10995]  kobject_add_internal+0x514/0xadc
[  467.260681][T10995]  kobject_add+0x14c/0x224
[  467.261818][T10995]  device_add+0x3a0/0xaac
[  467.263014][T10995]  device_register+0x28/0x38
[  467.264267][T10995]  tty_register_device_attr+0x3a4/0x7d4
[  467.265775][T10995]  tty_register_device+0x3c/0x50
[  467.267107][T10995]  gsm_activate_mux+0xdc/0x268
[  467.268399][T10995]  gsmld_ioctl+0x16f0/0x2310
[  467.269630][T10995]  tty_ioctl+0x924/0xd8c
[  467.270795][T10995]  __arm64_sys_ioctl+0x14c/0x1c8
[  467.272120][T10995]  invoke_syscall+0x98/0x2b8
[  467.273398][T10995]  el0_svc_common+0x130/0x23c
[  467.274655][T10995]  do_el0_svc+0x48/0x58
[  467.275764][T10995]  el0_svc+0x58/0x16c
[  467.276851][T10995]  el0t_64_sync_handler+0x84/0xfc
[  467.278150][T10995]  el0t_64_sync+0x190/0x194
[  467.283376][T10995] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.538401][T10998] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  467.540717][T10998] CPU: 1 PID: 10998 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  467.543481][T10998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  467.546285][T10998] Call trace:
[  467.547145][T10998]  dump_backtrace+0x1b8/0x1e4
[  467.548377][T10998]  show_stack+0x2c/0x44
[  467.549488][T10998]  dump_stack_lvl+0xd0/0x124
[  467.550752][T10998]  dump_stack+0x1c/0x28
[  467.551904][T10998]  sysfs_create_dir_ns+0x278/0x318
[  467.553299][T10998]  kobject_add_internal+0x514/0xadc
[  467.554717][T10998]  kobject_add+0x14c/0x224
[  467.555939][T10998]  device_add+0x3a0/0xaac
[  467.557155][T10998]  device_register+0x28/0x38
[  467.558405][T10998]  tty_register_device_attr+0x3a4/0x7d4
[  467.559912][T10998]  tty_register_device+0x3c/0x50
[  467.561274][T10998]  gsm_activate_mux+0xdc/0x268
[  467.562546][T10998]  gsmld_ioctl+0x16f0/0x2310
[  467.563792][T10998]  tty_ioctl+0x924/0xd8c
[  467.564925][T10998]  __arm64_sys_ioctl+0x14c/0x1c8
[  467.566255][T10998]  invoke_syscall+0x98/0x2b8
[  467.567532][T10998]  el0_svc_common+0x130/0x23c
[  467.568792][T10998]  do_el0_svc+0x48/0x58
[  467.569908][T10998]  el0_svc+0x58/0x16c
[  467.570991][T10998]  el0t_64_sync_handler+0x84/0xfc
[  467.572347][T10998]  el0t_64_sync+0x190/0x194
[  467.577386][T10998] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.583399][T10998] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  467.586162][T10998] CPU: 1 PID: 10998 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  467.589093][T10998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  467.591763][T10998] Call trace:
[  467.592671][T10998]  dump_backtrace+0x1b8/0x1e4
[  467.593982][T10998]  show_stack+0x2c/0x44
[  467.595108][T10998]  dump_stack_lvl+0xd0/0x124
[  467.596374][T10998]  dump_stack+0x1c/0x28
[  467.597503][T10998]  sysfs_create_dir_ns+0x278/0x318
[  467.598918][T10998]  kobject_add_internal+0x514/0xadc
[  467.600355][T10998]  kobject_add+0x14c/0x224
[  467.601571][T10998]  device_add+0x3a0/0xaac
[  467.602802][T10998]  device_register+0x28/0x38
[  467.604042][T10998]  tty_register_device_attr+0x3a4/0x7d4
[  467.605592][T10998]  tty_register_device+0x3c/0x50
[  467.606960][T10998]  gsm_activate_mux+0xdc/0x268
[  467.608305][T10998]  gsmld_ioctl+0x16f0/0x2310
[  467.609495][T10998]  tty_ioctl+0x924/0xd8c
[  467.610677][T10998]  __arm64_sys_ioctl+0x14c/0x1c8
[  467.612040][T10998]  invoke_syscall+0x98/0x2b8
[  467.613271][T10998]  el0_svc_common+0x130/0x23c
[  467.614477][T10998]  do_el0_svc+0x48/0x58
[  467.615657][T10998]  el0_svc+0x58/0x16c
[  467.616718][T10998]  el0t_64_sync_handler+0x84/0xfc
[  467.618068][T10998]  el0t_64_sync+0x190/0x194
[  467.623120][T10998] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.792060][T11001] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  467.797143][T11001] CPU: 1 PID: 11001 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  467.800048][T11001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  467.802651][T11001] Call trace:
[  467.803484][T11001]  dump_backtrace+0x1b8/0x1e4
[  467.804727][T11001]  show_stack+0x2c/0x44
[  467.805808][T11001]  dump_stack_lvl+0xd0/0x124
[  467.807049][T11001]  dump_stack+0x1c/0x28
[  467.808192][T11001]  sysfs_create_dir_ns+0x278/0x318
[  467.809514][T11001]  kobject_add_internal+0x514/0xadc
[  467.810950][T11001]  kobject_add+0x14c/0x224
[  467.812112][T11001]  device_add+0x3a0/0xaac
[  467.813275][T11001]  device_register+0x28/0x38
[  467.814546][T11001]  tty_register_device_attr+0x3a4/0x7d4
[  467.816023][T11001]  tty_register_device+0x3c/0x50
[  467.817321][T11001]  gsm_activate_mux+0xdc/0x268
[  467.818602][T11001]  gsmld_ioctl+0x16f0/0x2310
[  467.819830][T11001]  tty_ioctl+0x924/0xd8c
[  467.820982][T11001]  __arm64_sys_ioctl+0x14c/0x1c8
[  467.822310][T11001]  invoke_syscall+0x98/0x2b8
[  467.823611][T11001]  el0_svc_common+0x130/0x23c
[  467.824857][T11001]  do_el0_svc+0x48/0x58
[  467.825982][T11001]  el0_svc+0x58/0x16c
[  467.827020][T11001]  el0t_64_sync_handler+0x84/0xfc
[  467.828411][T11001]  el0t_64_sync+0x190/0x194
[  467.837778][T11001] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.843737][T11001] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  467.846260][T11001] CPU: 1 PID: 11001 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  467.848894][T11001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  467.851387][T11001] Call trace:
[  467.852218][T11001]  dump_backtrace+0x1b8/0x1e4
[  467.853411][T11001]  show_stack+0x2c/0x44
[  467.854530][T11001]  dump_stack_lvl+0xd0/0x124
[  467.855674][T11001]  dump_stack+0x1c/0x28
[  467.856773][T11001]  sysfs_create_dir_ns+0x278/0x318
[  467.858135][T11001]  kobject_add_internal+0x514/0xadc
[  467.859576][T11001]  kobject_add+0x14c/0x224
[  467.860758][T11001]  device_add+0x3a0/0xaac
[  467.861908][T11001]  device_register+0x28/0x38
[  467.863101][T11001]  tty_register_device_attr+0x3a4/0x7d4
[  467.864585][T11001]  tty_register_device+0x3c/0x50
[  467.865898][T11001]  gsm_activate_mux+0xdc/0x268
[  467.867192][T11001]  gsmld_ioctl+0x16f0/0x2310
[  467.868410][T11001]  tty_ioctl+0x924/0xd8c
[  467.869548][T11001]  __arm64_sys_ioctl+0x14c/0x1c8
[  467.870916][T11001]  invoke_syscall+0x98/0x2b8
[  467.872135][T11001]  el0_svc_common+0x130/0x23c
[  467.873415][T11001]  do_el0_svc+0x48/0x58
[  467.874546][T11001]  el0_svc+0x58/0x16c
[  467.875622][T11001]  el0t_64_sync_handler+0x84/0xfc
[  467.876959][T11001]  el0t_64_sync+0x190/0x194
[  467.880145][T11001] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  468.214455][T11004] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  468.217452][T11004] CPU: 0 PID: 11004 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  468.220303][T11004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  468.223066][T11004] Call trace:
[  468.223939][T11004]  dump_backtrace+0x1b8/0x1e4
[  468.225301][T11004]  show_stack+0x2c/0x44
[  468.226409][T11004]  dump_stack_lvl+0xd0/0x124
[  468.227678][T11004]  dump_stack+0x1c/0x28
[  468.228778][T11004]  sysfs_create_dir_ns+0x278/0x318
[  468.230067][T11004]  kobject_add_internal+0x514/0xadc
[  468.231438][T11004]  kobject_add+0x14c/0x224
[  468.232647][T11004]  device_add+0x3a0/0xaac
[  468.233789][T11004]  device_register+0x28/0x38
[  468.234987][T11004]  tty_register_device_attr+0x3a4/0x7d4
[  468.236468][T11004]  tty_register_device+0x3c/0x50
[  468.237812][T11004]  gsm_activate_mux+0xdc/0x268
[  468.239115][T11004]  gsmld_ioctl+0x16f0/0x2310
[  468.240369][T11004]  tty_ioctl+0x924/0xd8c
[  468.241534][T11004]  __arm64_sys_ioctl+0x14c/0x1c8
[  468.242854][T11004]  invoke_syscall+0x98/0x2b8
[  468.244096][T11004]  el0_svc_common+0x130/0x23c
[  468.245419][T11004]  do_el0_svc+0x48/0x58
[  468.246582][T11004]  el0_svc+0x58/0x16c
[  468.247704][T11004]  el0t_64_sync_handler+0x84/0xfc
[  468.248997][T11004]  el0t_64_sync+0x190/0x194
[  468.276120][T11004] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  468.491759][T11007] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  468.493921][T11007] CPU: 0 PID: 11007 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  468.496712][T11007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  468.499453][T11007] Call trace:
[  468.500426][T11007]  dump_backtrace+0x1b8/0x1e4
[  468.501696][T11007]  show_stack+0x2c/0x44
[  468.502910][T11007]  dump_stack_lvl+0xd0/0x124
[  468.504189][T11007]  dump_stack+0x1c/0x28
[  468.505298][T11007]  sysfs_create_dir_ns+0x278/0x318
[  468.506718][T11007]  kobject_add_internal+0x514/0xadc
[  468.508172][T11007]  kobject_add+0x14c/0x224
[  468.509344][T11007]  device_add+0x3a0/0xaac
[  468.510506][T11007]  device_register+0x28/0x38
[  468.511709][T11007]  tty_register_device_attr+0x3a4/0x7d4
[  468.513217][T11007]  tty_register_device+0x3c/0x50
[  468.514581][T11007]  gsm_activate_mux+0xdc/0x268
[  468.515963][T11007]  gsmld_ioctl+0x16f0/0x2310
[  468.517198][T11007]  tty_ioctl+0x924/0xd8c
[  468.518335][T11007]  __arm64_sys_ioctl+0x14c/0x1c8
[  468.519650][T11007]  invoke_syscall+0x98/0x2b8
[  468.520896][T11007]  el0_svc_common+0x130/0x23c
[  468.522118][T11007]  do_el0_svc+0x48/0x58
[  468.523235][T11007]  el0_svc+0x58/0x16c
[  468.524349][T11007]  el0t_64_sync_handler+0x84/0xfc
[  468.525728][T11007]  el0t_64_sync+0x190/0x194
[  468.529731][T11007] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  468.728122][T11010] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  468.730942][T11010] CPU: 1 PID: 11010 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  468.733772][T11010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  468.736570][T11010] Call trace:
[  468.737487][T11010]  dump_backtrace+0x1b8/0x1e4
[  468.738721][T11010]  show_stack+0x2c/0x44
[  468.739820][T11010]  dump_stack_lvl+0xd0/0x124
[  468.741046][T11010]  dump_stack+0x1c/0x28
[  468.742182][T11010]  sysfs_create_dir_ns+0x278/0x318
[  468.743544][T11010]  kobject_add_internal+0x514/0xadc
[  468.744971][T11010]  kobject_add+0x14c/0x224
[  468.746158][T11010]  device_add+0x3a0/0xaac
[  468.747295][T11010]  device_register+0x28/0x38
[  468.748541][T11010]  tty_register_device_attr+0x3a4/0x7d4
[  468.750074][T11010]  tty_register_device+0x3c/0x50
[  468.751429][T11010]  gsm_activate_mux+0xdc/0x268
[  468.752819][T11010]  gsmld_ioctl+0x16f0/0x2310
[  468.754082][T11010]  tty_ioctl+0x924/0xd8c
[  468.755185][T11010]  __arm64_sys_ioctl+0x14c/0x1c8
[  468.756531][T11010]  invoke_syscall+0x98/0x2b8
[  468.757782][T11010]  el0_svc_common+0x130/0x23c
[  468.759036][T11010]  do_el0_svc+0x48/0x58
[  468.760142][T11010]  el0_svc+0x58/0x16c
[  468.761237][T11010]  el0t_64_sync_handler+0x84/0xfc
[  468.762603][T11010]  el0t_64_sync+0x190/0x194
[  468.765832][T11010] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  468.963967][T11013] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  468.966408][T11013] CPU: 1 PID: 11013 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  468.969083][T11013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  468.971841][T11013] Call trace:
[  468.972765][T11013]  dump_backtrace+0x1b8/0x1e4
[  468.974050][T11013]  show_stack+0x2c/0x44
[  468.975209][T11013]  dump_stack_lvl+0xd0/0x124
[  468.976449][T11013]  dump_stack+0x1c/0x28
[  468.977576][T11013]  sysfs_create_dir_ns+0x278/0x318
[  468.978977][T11013]  kobject_add_internal+0x514/0xadc
[  468.980411][T11013]  kobject_add+0x14c/0x224
[  468.981651][T11013]  device_add+0x3a0/0xaac
[  468.982868][T11013]  device_register+0x28/0x38
[  468.984113][T11013]  tty_register_device_attr+0x3a4/0x7d4
[  468.985579][T11013]  tty_register_device+0x3c/0x50
[  468.986894][T11013]  gsm_activate_mux+0xdc/0x268
[  468.988156][T11013]  gsmld_ioctl+0x16f0/0x2310
[  468.989361][T11013]  tty_ioctl+0x924/0xd8c
[  468.990490][T11013]  __arm64_sys_ioctl+0x14c/0x1c8
[  468.991825][T11013]  invoke_syscall+0x98/0x2b8
[  468.993063][T11013]  el0_svc_common+0x130/0x23c
[  468.994348][T11013]  do_el0_svc+0x48/0x58
[  468.995484][T11013]  el0_svc+0x58/0x16c
[  468.996548][T11013]  el0t_64_sync_handler+0x84/0xfc
[  468.997973][T11013]  el0t_64_sync+0x190/0x194
[  469.001075][T11013] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.006896][T11013] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  469.009355][T11013] CPU: 1 PID: 11013 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  469.012214][T11013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  469.014926][T11013] Call trace:
[  469.015765][T11013]  dump_backtrace+0x1b8/0x1e4
[  469.017019][T11013]  show_stack+0x2c/0x44
[  469.018187][T11013]  dump_stack_lvl+0xd0/0x124
[  469.019420][T11013]  dump_stack+0x1c/0x28
[  469.020577][T11013]  sysfs_create_dir_ns+0x278/0x318
[  469.021955][T11013]  kobject_add_internal+0x514/0xadc
[  469.023411][T11013]  kobject_add+0x14c/0x224
[  469.024594][T11013]  device_add+0x3a0/0xaac
[  469.025783][T11013]  device_register+0x28/0x38
[  469.027047][T11013]  tty_register_device_attr+0x3a4/0x7d4
[  469.028635][T11013]  tty_register_device+0x3c/0x50
[  469.030008][T11013]  gsm_activate_mux+0xdc/0x268
[  469.031331][T11013]  gsmld_ioctl+0x16f0/0x2310
[  469.032553][T11013]  tty_ioctl+0x924/0xd8c
[  469.033735][T11013]  __arm64_sys_ioctl+0x14c/0x1c8
[  469.035058][T11013]  invoke_syscall+0x98/0x2b8
[  469.036340][T11013]  el0_svc_common+0x130/0x23c
[  469.037669][T11013]  do_el0_svc+0x48/0x58
[  469.038798][T11013]  el0_svc+0x58/0x16c
[  469.039875][T11013]  el0t_64_sync_handler+0x84/0xfc
[  469.041275][T11013]  el0t_64_sync+0x190/0x194
[  469.043109][T11013] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.223648][T11016] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  469.229758][T11016] CPU: 1 PID: 11016 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  469.232551][T11016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  469.235182][T11016] Call trace:
[  469.236044][T11016]  dump_backtrace+0x1b8/0x1e4
[  469.237329][T11016]  show_stack+0x2c/0x44
[  469.238442][T11016]  dump_stack_lvl+0xd0/0x124
[  469.239712][T11016]  dump_stack+0x1c/0x28
[  469.240847][T11016]  sysfs_create_dir_ns+0x278/0x318
[  469.242304][T11016]  kobject_add_internal+0x514/0xadc
[  469.243734][T11016]  kobject_add+0x14c/0x224
[  469.244901][T11016]  device_add+0x3a0/0xaac
[  469.246064][T11016]  device_register+0x28/0x38
[  469.247339][T11016]  tty_register_device_attr+0x3a4/0x7d4
[  469.248855][T11016]  tty_register_device+0x3c/0x50
[  469.250181][T11016]  gsm_activate_mux+0xdc/0x268
[  469.251455][T11016]  gsmld_ioctl+0x16f0/0x2310
[  469.252728][T11016]  tty_ioctl+0x924/0xd8c
[  469.253883][T11016]  __arm64_sys_ioctl+0x14c/0x1c8
[  469.255223][T11016]  invoke_syscall+0x98/0x2b8
[  469.256480][T11016]  el0_svc_common+0x130/0x23c
[  469.257779][T11016]  do_el0_svc+0x48/0x58
[  469.258878][T11016]  el0_svc+0x58/0x16c
[  469.259922][T11016]  el0t_64_sync_handler+0x84/0xfc
[  469.261210][T11016]  el0t_64_sync+0x190/0x194
[  469.273744][T11016] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.462076][T11019] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  469.464444][T11019] CPU: 0 PID: 11019 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  469.467251][T11019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  469.469973][T11019] Call trace:
[  469.470831][T11019]  dump_backtrace+0x1b8/0x1e4
[  469.472161][T11019]  show_stack+0x2c/0x44
[  469.473270][T11019]  dump_stack_lvl+0xd0/0x124
[  469.474548][T11019]  dump_stack+0x1c/0x28
[  469.475681][T11019]  sysfs_create_dir_ns+0x278/0x318
[  469.477132][T11019]  kobject_add_internal+0x514/0xadc
[  469.478625][T11019]  kobject_add+0x14c/0x224
[  469.479824][T11019]  device_add+0x3a0/0xaac
[  469.481026][T11019]  device_register+0x28/0x38
[  469.482268][T11019]  tty_register_device_attr+0x3a4/0x7d4
[  469.483787][T11019]  tty_register_device+0x3c/0x50
[  469.485115][T11019]  gsm_activate_mux+0xdc/0x268
[  469.486403][T11019]  gsmld_ioctl+0x16f0/0x2310
[  469.487650][T11019]  tty_ioctl+0x924/0xd8c
[  469.488803][T11019]  __arm64_sys_ioctl+0x14c/0x1c8
[  469.490162][T11019]  invoke_syscall+0x98/0x2b8
[  469.491424][T11019]  el0_svc_common+0x130/0x23c
[  469.492709][T11019]  do_el0_svc+0x48/0x58
[  469.493912][T11019]  el0_svc+0x58/0x16c
[  469.495002][T11019]  el0t_64_sync_handler+0x84/0xfc
[  469.496357][T11019]  el0t_64_sync+0x190/0x194
[  469.503149][T11019] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.700306][T11022] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  469.702613][T11022] CPU: 0 PID: 11022 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  469.705322][T11022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  469.708111][T11022] Call trace:
[  469.708980][T11022]  dump_backtrace+0x1b8/0x1e4
[  469.710232][T11022]  show_stack+0x2c/0x44
[  469.711407][T11022]  dump_stack_lvl+0xd0/0x124
[  469.712672][T11022]  dump_stack+0x1c/0x28
[  469.713839][T11022]  sysfs_create_dir_ns+0x278/0x318
[  469.715290][T11022]  kobject_add_internal+0x514/0xadc
[  469.716773][T11022]  kobject_add+0x14c/0x224
[  469.718016][T11022]  device_add+0x3a0/0xaac
[  469.719237][T11022]  device_register+0x28/0x38
[  469.720479][T11022]  tty_register_device_attr+0x3a4/0x7d4
[  469.722012][T11022]  tty_register_device+0x3c/0x50
[  469.723369][T11022]  gsm_activate_mux+0xdc/0x268
[  469.724689][T11022]  gsmld_ioctl+0x16f0/0x2310
[  469.725920][T11022]  tty_ioctl+0x924/0xd8c
[  469.727054][T11022]  __arm64_sys_ioctl+0x14c/0x1c8
[  469.728418][T11022]  invoke_syscall+0x98/0x2b8
[  469.729723][T11022]  el0_svc_common+0x130/0x23c
[  469.730998][T11022]  do_el0_svc+0x48/0x58
[  469.732129][T11022]  el0_svc+0x58/0x16c
[  469.733209][T11022]  el0t_64_sync_handler+0x84/0xfc
[  469.734619][T11022]  el0t_64_sync+0x190/0x194
[  469.742703][T11022] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.946244][T11025] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  469.948529][T11025] CPU: 1 PID: 11025 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  469.951283][T11025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  469.953965][T11025] Call trace:
[  469.954886][T11025]  dump_backtrace+0x1b8/0x1e4
[  469.956109][T11025]  show_stack+0x2c/0x44
[  469.957204][T11025]  dump_stack_lvl+0xd0/0x124
[  469.958416][T11025]  dump_stack+0x1c/0x28
[  469.959504][T11025]  sysfs_create_dir_ns+0x278/0x318
[  469.960915][T11025]  kobject_add_internal+0x514/0xadc
[  469.962286][T11025]  kobject_add+0x14c/0x224
[  469.963596][T11025]  device_add+0x3a0/0xaac
[  469.964762][T11025]  device_register+0x28/0x38
[  469.965969][T11025]  tty_register_device_attr+0x3a4/0x7d4
[  469.967496][T11025]  tty_register_device+0x3c/0x50
[  469.968830][T11025]  gsm_activate_mux+0xdc/0x268
[  469.970155][T11025]  gsmld_ioctl+0x16f0/0x2310
[  469.971402][T11025]  tty_ioctl+0x924/0xd8c
[  469.972586][T11025]  __arm64_sys_ioctl+0x14c/0x1c8
[  469.973932][T11025]  invoke_syscall+0x98/0x2b8
[  469.975181][T11025]  el0_svc_common+0x130/0x23c
[  469.976466][T11025]  do_el0_svc+0x48/0x58
[  469.977615][T11025]  el0_svc+0x58/0x16c
[  469.978688][T11025]  el0t_64_sync_handler+0x84/0xfc
[  469.980071][T11025]  el0t_64_sync+0x190/0x194
[  469.986893][T11025] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.993790][T11025] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  469.996599][T11025] CPU: 1 PID: 11025 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  469.999394][T11025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  470.002085][T11025] Call trace:
[  470.002927][T11025]  dump_backtrace+0x1b8/0x1e4
[  470.004191][T11025]  show_stack+0x2c/0x44
[  470.005294][T11025]  dump_stack_lvl+0xd0/0x124
[  470.006520][T11025]  dump_stack+0x1c/0x28
[  470.007664][T11025]  sysfs_create_dir_ns+0x278/0x318
[  470.009051][T11025]  kobject_add_internal+0x514/0xadc
[  470.010415][T11025]  kobject_add+0x14c/0x224
[  470.011513][T11025]  device_add+0x3a0/0xaac
[  470.012841][T11025]  device_register+0x28/0x38
[  470.014104][T11025]  tty_register_device_attr+0x3a4/0x7d4
[  470.015666][T11025]  tty_register_device+0x3c/0x50
[  470.017030][T11025]  gsm_activate_mux+0xdc/0x268
[  470.018361][T11025]  gsmld_ioctl+0x16f0/0x2310
[  470.019671][T11025]  tty_ioctl+0x924/0xd8c
[  470.020843][T11025]  __arm64_sys_ioctl+0x14c/0x1c8
[  470.022245][T11025]  invoke_syscall+0x98/0x2b8
[  470.023501][T11025]  el0_svc_common+0x130/0x23c
[  470.024813][T11025]  do_el0_svc+0x48/0x58
[  470.025980][T11025]  el0_svc+0x58/0x16c
[  470.027112][T11025]  el0t_64_sync_handler+0x84/0xfc
[  470.028577][T11025]  el0t_64_sync+0x190/0x194
[  470.033709][T11025] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  470.204545][T11028] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  470.207279][T11028] CPU: 0 PID: 11028 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  470.210207][T11028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  470.212844][T11028] Call trace:
[  470.213766][T11028]  dump_backtrace+0x1b8/0x1e4
[  470.215000][T11028]  show_stack+0x2c/0x44
[  470.216144][T11028]  dump_stack_lvl+0xd0/0x124
[  470.217367][T11028]  dump_stack+0x1c/0x28
[  470.218472][T11028]  sysfs_create_dir_ns+0x278/0x318
[  470.219813][T11028]  kobject_add_internal+0x514/0xadc
[  470.221206][T11028]  kobject_add+0x14c/0x224
[  470.222363][T11028]  device_add+0x3a0/0xaac
[  470.223501][T11028]  device_register+0x28/0x38
[  470.224781][T11028]  tty_register_device_attr+0x3a4/0x7d4
[  470.226238][T11028]  tty_register_device+0x3c/0x50
[  470.227615][T11028]  gsm_activate_mux+0xdc/0x268
[  470.228913][T11028]  gsmld_ioctl+0x16f0/0x2310
[  470.230155][T11028]  tty_ioctl+0x924/0xd8c
[  470.231295][T11028]  __arm64_sys_ioctl+0x14c/0x1c8
[  470.232687][T11028]  invoke_syscall+0x98/0x2b8
[  470.233912][T11028]  el0_svc_common+0x130/0x23c
[  470.235188][T11028]  do_el0_svc+0x48/0x58
[  470.236269][T11028]  el0_svc+0x58/0x16c
[  470.237359][T11028]  el0t_64_sync_handler+0x84/0xfc
[  470.238778][T11028]  el0t_64_sync+0x190/0x194
[  470.246718][T11028] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  470.431745][T11031] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  470.434056][T11031] CPU: 1 PID: 11031 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  470.436795][T11031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  470.439530][T11031] Call trace:
[  470.440363][T11031]  dump_backtrace+0x1b8/0x1e4
[  470.441702][T11031]  show_stack+0x2c/0x44
[  470.442825][T11031]  dump_stack_lvl+0xd0/0x124
[  470.444083][T11031]  dump_stack+0x1c/0x28
[  470.445220][T11031]  sysfs_create_dir_ns+0x278/0x318
[  470.446664][T11031]  kobject_add_internal+0x514/0xadc
[  470.448155][T11031]  kobject_add+0x14c/0x224
[  470.449451][T11031]  device_add+0x3a0/0xaac
[  470.450660][T11031]  device_register+0x28/0x38
[  470.451960][T11031]  tty_register_device_attr+0x3a4/0x7d4
[  470.453457][T11031]  tty_register_device+0x3c/0x50
[  470.454831][T11031]  gsm_activate_mux+0xdc/0x268
[  470.456137][T11031]  gsmld_ioctl+0x16f0/0x2310
[  470.457396][T11031]  tty_ioctl+0x924/0xd8c
[  470.458551][T11031]  __arm64_sys_ioctl+0x14c/0x1c8
[  470.459929][T11031]  invoke_syscall+0x98/0x2b8
[  470.461196][T11031]  el0_svc_common+0x130/0x23c
[  470.462554][T11031]  do_el0_svc+0x48/0x58
[  470.463711][T11031]  el0_svc+0x58/0x16c
[  470.464780][T11031]  el0t_64_sync_handler+0x84/0xfc
[  470.466182][T11031]  el0t_64_sync+0x190/0x194
[  470.475240][T11031] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  470.670504][T11034] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  470.672846][T11034] CPU: 0 PID: 11034 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  470.675617][T11034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  470.678344][T11034] Call trace:
[  470.679230][T11034]  dump_backtrace+0x1b8/0x1e4
[  470.680515][T11034]  show_stack+0x2c/0x44
[  470.681698][T11034]  dump_stack_lvl+0xd0/0x124
[  470.682958][T11034]  dump_stack+0x1c/0x28
[  470.684099][T11034]  sysfs_create_dir_ns+0x278/0x318
[  470.685542][T11034]  kobject_add_internal+0x514/0xadc
[  470.687028][T11034]  kobject_add+0x14c/0x224
[  470.688240][T11034]  device_add+0x3a0/0xaac
[  470.689460][T11034]  device_register+0x28/0x38
[  470.690794][T11034]  tty_register_device_attr+0x3a4/0x7d4
[  470.692318][T11034]  tty_register_device+0x3c/0x50
[  470.693656][T11034]  gsm_activate_mux+0xdc/0x268
[  470.695049][T11034]  gsmld_ioctl+0x16f0/0x2310
[  470.696276][T11034]  tty_ioctl+0x924/0xd8c
[  470.697452][T11034]  __arm64_sys_ioctl+0x14c/0x1c8
[  470.698868][T11034]  invoke_syscall+0x98/0x2b8
[  470.700125][T11034]  el0_svc_common+0x130/0x23c
[  470.701409][T11034]  do_el0_svc+0x48/0x58
[  470.702544][T11034]  el0_svc+0x58/0x16c
[  470.703650][T11034]  el0t_64_sync_handler+0x84/0xfc
[  470.705005][T11034]  el0t_64_sync+0x190/0x194
[  470.709586][T11034] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  470.714304][T11034] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  470.717003][T11034] CPU: 0 PID: 11034 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  470.719834][T11034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  470.722403][T11034] Call trace:
[  470.723282][T11034]  dump_backtrace+0x1b8/0x1e4
[  470.724550][T11034]  show_stack+0x2c/0x44
[  470.725652][T11034]  dump_stack_lvl+0xd0/0x124
[  470.726961][T11034]  dump_stack+0x1c/0x28
[  470.728098][T11034]  sysfs_create_dir_ns+0x278/0x318
[  470.729468][T11034]  kobject_add_internal+0x514/0xadc
[  470.730896][T11034]  kobject_add+0x14c/0x224
[  470.732107][T11034]  device_add+0x3a0/0xaac
[  470.733318][T11034]  device_register+0x28/0x38
[  470.734547][T11034]  tty_register_device_attr+0x3a4/0x7d4
[  470.736104][T11034]  tty_register_device+0x3c/0x50
[  470.737426][T11034]  gsm_activate_mux+0xdc/0x268
[  470.738727][T11034]  gsmld_ioctl+0x16f0/0x2310
[  470.739985][T11034]  tty_ioctl+0x924/0xd8c
[  470.741143][T11034]  __arm64_sys_ioctl+0x14c/0x1c8
[  470.742436][T11034]  invoke_syscall+0x98/0x2b8
[  470.743686][T11034]  el0_svc_common+0x130/0x23c
[  470.744981][T11034]  do_el0_svc+0x48/0x58
[  470.746038][T11034]  el0_svc+0x58/0x16c
[  470.747151][T11034]  el0t_64_sync_handler+0x84/0xfc
[  470.748458][T11034]  el0t_64_sync+0x190/0x194
[  470.751377][T11034] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  471.096020][T11037] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  471.101723][T11037] CPU: 1 PID: 11037 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  471.104595][T11037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  471.107298][T11037] Call trace:
[  471.108194][T11037]  dump_backtrace+0x1b8/0x1e4
[  471.109439][T11037]  show_stack+0x2c/0x44
[  471.110538][T11037]  dump_stack_lvl+0xd0/0x124
[  471.111798][T11037]  dump_stack+0x1c/0x28
[  471.112957][T11037]  sysfs_create_dir_ns+0x278/0x318
[  471.114324][T11037]  kobject_add_internal+0x514/0xadc
[  471.115763][T11037]  kobject_add+0x14c/0x224
[  471.116975][T11037]  device_add+0x3a0/0xaac
[  471.118135][T11037]  device_register+0x28/0x38
[  471.119367][T11037]  tty_register_device_attr+0x3a4/0x7d4
[  471.120818][T11037]  tty_register_device+0x3c/0x50
[  471.122130][T11037]  gsm_activate_mux+0xdc/0x268
[  471.123411][T11037]  gsmld_ioctl+0x16f0/0x2310
[  471.124698][T11037]  tty_ioctl+0x924/0xd8c
[  471.125847][T11037]  __arm64_sys_ioctl+0x14c/0x1c8
[  471.127224][T11037]  invoke_syscall+0x98/0x2b8
[  471.128447][T11037]  el0_svc_common+0x130/0x23c
[  471.129752][T11037]  do_el0_svc+0x48/0x58
[  471.130879][T11037]  el0_svc+0x58/0x16c
[  471.132019][T11037]  el0t_64_sync_handler+0x84/0xfc
[  471.133439][T11037]  el0t_64_sync+0x190/0x194
[  471.141503][T11037] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  471.544050][T11040] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  471.547167][T11040] CPU: 0 PID: 11040 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  471.550052][T11040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  471.552810][T11040] Call trace:
[  471.553736][T11040]  dump_backtrace+0x1b8/0x1e4
[  471.554976][T11040]  show_stack+0x2c/0x44
[  471.556131][T11040]  dump_stack_lvl+0xd0/0x124
[  471.557405][T11040]  dump_stack+0x1c/0x28
[  471.558468][T11040]  sysfs_create_dir_ns+0x278/0x318
[  471.559865][T11040]  kobject_add_internal+0x514/0xadc
[  471.561214][T11040]  kobject_add+0x14c/0x224
[  471.562375][T11040]  device_add+0x3a0/0xaac
[  471.563541][T11040]  device_register+0x28/0x38
[  471.564838][T11040]  tty_register_device_attr+0x3a4/0x7d4
[  471.566311][T11040]  tty_register_device+0x3c/0x50
[  471.567677][T11040]  gsm_activate_mux+0xdc/0x268
[  471.568963][T11040]  gsmld_ioctl+0x16f0/0x2310
[  471.570190][T11040]  tty_ioctl+0x924/0xd8c
[  471.571333][T11040]  __arm64_sys_ioctl+0x14c/0x1c8
[  471.572714][T11040]  invoke_syscall+0x98/0x2b8
[  471.573925][T11040]  el0_svc_common+0x130/0x23c
[  471.575186][T11040]  do_el0_svc+0x48/0x58
[  471.576256][T11040]  el0_svc+0x58/0x16c
[  471.577322][T11040]  el0t_64_sync_handler+0x84/0xfc
[  471.578620][T11040]  el0t_64_sync+0x190/0x194
[  471.586113][T11040] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  471.835442][T11043] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  471.839510][T11043] CPU: 0 PID: 11043 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  471.842442][T11043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  471.845142][T11043] Call trace:
[  471.846003][T11043]  dump_backtrace+0x1b8/0x1e4
[  471.847232][T11043]  show_stack+0x2c/0x44
[  471.848352][T11043]  dump_stack_lvl+0xd0/0x124
[  471.849636][T11043]  dump_stack+0x1c/0x28
[  471.850799][T11043]  sysfs_create_dir_ns+0x278/0x318
[  471.852203][T11043]  kobject_add_internal+0x514/0xadc
[  471.853656][T11043]  kobject_add+0x14c/0x224
[  471.854887][T11043]  device_add+0x3a0/0xaac
[  471.856022][T11043]  device_register+0x28/0x38
[  471.857234][T11043]  tty_register_device_attr+0x3a4/0x7d4
[  471.858741][T11043]  tty_register_device+0x3c/0x50
[  471.860110][T11043]  gsm_activate_mux+0xdc/0x268
[  471.861383][T11043]  gsmld_ioctl+0x16f0/0x2310
[  471.862613][T11043]  tty_ioctl+0x924/0xd8c
[  471.863740][T11043]  __arm64_sys_ioctl+0x14c/0x1c8
[  471.865096][T11043]  invoke_syscall+0x98/0x2b8
[  471.866293][T11043]  el0_svc_common+0x130/0x23c
[  471.867515][T11043]  do_el0_svc+0x48/0x58
[  471.868665][T11043]  el0_svc+0x58/0x16c
[  471.869782][T11043]  el0t_64_sync_handler+0x84/0xfc
[  471.871123][T11043]  el0t_64_sync+0x190/0x194
[  471.874889][T11043] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  472.210213][T11046] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  472.212679][T11046] CPU: 0 PID: 11046 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  472.215468][T11046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  472.218104][T11046] Call trace:
[  472.218982][T11046]  dump_backtrace+0x1b8/0x1e4
[  472.220243][T11046]  show_stack+0x2c/0x44
[  472.221308][T11046]  dump_stack_lvl+0xd0/0x124
[  472.222621][T11046]  dump_stack+0x1c/0x28
[  472.223734][T11046]  sysfs_create_dir_ns+0x278/0x318
[  472.225089][T11046]  kobject_add_internal+0x514/0xadc
[  472.226506][T11046]  kobject_add+0x14c/0x224
[  472.227733][T11046]  device_add+0x3a0/0xaac
[  472.228814][T11046]  device_register+0x28/0x38
[  472.230038][T11046]  tty_register_device_attr+0x3a4/0x7d4
[  472.231610][T11046]  tty_register_device+0x3c/0x50
[  472.232888][T11046]  gsm_activate_mux+0xdc/0x268
[  472.234174][T11046]  gsmld_ioctl+0x16f0/0x2310
[  472.235396][T11046]  tty_ioctl+0x924/0xd8c
[  472.236579][T11046]  __arm64_sys_ioctl+0x14c/0x1c8
[  472.237957][T11046]  invoke_syscall+0x98/0x2b8
[  472.239208][T11046]  el0_svc_common+0x130/0x23c
[  472.240489][T11046]  do_el0_svc+0x48/0x58
[  472.241651][T11046]  el0_svc+0x58/0x16c
[  472.242719][T11046]  el0t_64_sync_handler+0x84/0xfc
[  472.244081][T11046]  el0t_64_sync+0x190/0x194
[  472.271180][T11046] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  472.505953][T11049] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  472.509181][T11049] CPU: 1 PID: 11049 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  472.511985][T11049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  472.514753][T11049] Call trace:
[  472.515649][T11049]  dump_backtrace+0x1b8/0x1e4
[  472.516906][T11049]  show_stack+0x2c/0x44
[  472.518078][T11049]  dump_stack_lvl+0xd0/0x124
[  472.519259][T11049]  dump_stack+0x1c/0x28
[  472.520414][T11049]  sysfs_create_dir_ns+0x278/0x318
[  472.521831][T11049]  kobject_add_internal+0x514/0xadc
[  472.523191][T11049]  kobject_add+0x14c/0x224
[  472.524371][T11049]  device_add+0x3a0/0xaac
[  472.525533][T11049]  device_register+0x28/0x38
[  472.526848][T11049]  tty_register_device_attr+0x3a4/0x7d4
[  472.528323][T11049]  tty_register_device+0x3c/0x50
[  472.529658][T11049]  gsm_activate_mux+0xdc/0x268
[  472.530969][T11049]  gsmld_ioctl+0x16f0/0x2310
[  472.532213][T11049]  tty_ioctl+0x924/0xd8c
[  472.533361][T11049]  __arm64_sys_ioctl+0x14c/0x1c8
[  472.534672][T11049]  invoke_syscall+0x98/0x2b8
[  472.535913][T11049]  el0_svc_common+0x130/0x23c
[  472.537186][T11049]  do_el0_svc+0x48/0x58
[  472.538324][T11049]  el0_svc+0x58/0x16c
[  472.539383][T11049]  el0t_64_sync_handler+0x84/0xfc
[  472.540771][T11049]  el0t_64_sync+0x190/0x194
[  472.560722][T11050] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  472.565439][T11050] CPU: 0 PID: 11050 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  472.568310][T11050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  472.570975][T11050] Call trace:
[  472.571868][T11050]  dump_backtrace+0x1b8/0x1e4
[  472.573101][T11050]  show_stack+0x2c/0x44
[  472.574165][T11050]  dump_stack_lvl+0xd0/0x124
[  472.575439][T11050]  dump_stack+0x1c/0x28
[  472.576583][T11050]  sysfs_create_dir_ns+0x278/0x318
[  472.577878][T11049] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  472.577971][T11050]  kobject_add_internal+0x514/0xadc
[  472.583076][T11050]  kobject_add+0x14c/0x224
[  472.584302][T11050]  device_add+0x3a0/0xaac
[  472.585509][T11050]  device_register+0x28/0x38
[  472.586654][T11050]  tty_register_device_attr+0x3a4/0x7d4
[  472.588152][T11050]  tty_register_device+0x3c/0x50
[  472.589429][T11050]  gsm_activate_mux+0xdc/0x268
[  472.590657][T11050]  gsmld_ioctl+0x16f0/0x2310
[  472.591938][T11050]  tty_ioctl+0x924/0xd8c
[  472.593100][T11050]  __arm64_sys_ioctl+0x14c/0x1c8
[  472.594414][T11050]  invoke_syscall+0x98/0x2b8
[  472.595685][T11050]  el0_svc_common+0x130/0x23c
[  472.596970][T11050]  do_el0_svc+0x48/0x58
[  472.598074][T11050]  el0_svc+0x58/0x16c
[  472.599132][T11050]  el0t_64_sync_handler+0x84/0xfc
[  472.600522][T11050]  el0t_64_sync+0x190/0x194
[  472.603753][T11050] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  472.762439][T11053] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  472.765308][T11053] CPU: 1 PID: 11053 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  472.768382][T11053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  472.771189][T11053] Call trace:
[  472.772106][T11053]  dump_backtrace+0x1b8/0x1e4
[  472.773355][T11053]  show_stack+0x2c/0x44
[  472.774435][T11053]  dump_stack_lvl+0xd0/0x124
[  472.775652][T11053]  dump_stack+0x1c/0x28
[  472.776757][T11053]  sysfs_create_dir_ns+0x278/0x318
[  472.778117][T11053]  kobject_add_internal+0x514/0xadc
[  472.779496][T11053]  kobject_add+0x14c/0x224
[  472.780711][T11053]  device_add+0x3a0/0xaac
[  472.781870][T11053]  device_register+0x28/0x38
[  472.783142][T11053]  tty_register_device_attr+0x3a4/0x7d4
[  472.784633][T11053]  tty_register_device+0x3c/0x50
[  472.785970][T11053]  gsm_activate_mux+0xdc/0x268
[  472.787234][T11053]  gsmld_ioctl+0x16f0/0x2310
[  472.788483][T11053]  tty_ioctl+0x924/0xd8c
[  472.789630][T11053]  __arm64_sys_ioctl+0x14c/0x1c8
[  472.790943][T11053]  invoke_syscall+0x98/0x2b8
[  472.792186][T11053]  el0_svc_common+0x130/0x23c
[  472.793343][T11053]  do_el0_svc+0x48/0x58
[  472.794442][T11053]  el0_svc+0x58/0x16c
[  472.795529][T11053]  el0t_64_sync_handler+0x84/0xfc
[  472.796896][T11053]  el0t_64_sync+0x190/0x194
[  472.807644][T11053] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.002806][T11056] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  473.008245][T11056] CPU: 0 PID: 11056 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  473.011052][T11056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  473.013767][T11056] Call trace:
[  473.014673][T11056]  dump_backtrace+0x1b8/0x1e4
[  473.015898][T11056]  show_stack+0x2c/0x44
[  473.017014][T11056]  dump_stack_lvl+0xd0/0x124
[  473.018193][T11056]  dump_stack+0x1c/0x28
[  473.019313][T11056]  sysfs_create_dir_ns+0x278/0x318
[  473.020702][T11056]  kobject_add_internal+0x514/0xadc
[  473.022240][T11056]  kobject_add+0x14c/0x224
[  473.023468][T11056]  device_add+0x3a0/0xaac
[  473.024660][T11056]  device_register+0x28/0x38
[  473.025945][T11056]  tty_register_device_attr+0x3a4/0x7d4
[  473.027461][T11056]  tty_register_device+0x3c/0x50
[  473.028797][T11056]  gsm_activate_mux+0xdc/0x268
[  473.030103][T11056]  gsmld_ioctl+0x16f0/0x2310
[  473.031363][T11056]  tty_ioctl+0x924/0xd8c
[  473.032475][T11056]  __arm64_sys_ioctl+0x14c/0x1c8
[  473.033822][T11056]  invoke_syscall+0x98/0x2b8
[  473.035024][T11056]  el0_svc_common+0x130/0x23c
[  473.036271][T11056]  do_el0_svc+0x48/0x58
[  473.037395][T11056]  el0_svc+0x58/0x16c
[  473.038449][T11056]  el0t_64_sync_handler+0x84/0xfc
[  473.039880][T11056]  el0t_64_sync+0x190/0x194
[  473.050059][T11056] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.235696][T11059] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  473.237939][T11059] CPU: 0 PID: 11059 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  473.240773][T11059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  473.243342][T11059] Call trace:
[  473.244163][T11059]  dump_backtrace+0x1b8/0x1e4
[  473.245312][T11059]  show_stack+0x2c/0x44
[  473.246440][T11059]  dump_stack_lvl+0xd0/0x124
[  473.247716][T11059]  dump_stack+0x1c/0x28
[  473.248846][T11059]  sysfs_create_dir_ns+0x278/0x318
[  473.250251][T11059]  kobject_add_internal+0x514/0xadc
[  473.251706][T11059]  kobject_add+0x14c/0x224
[  473.252911][T11059]  device_add+0x3a0/0xaac
[  473.254148][T11059]  device_register+0x28/0x38
[  473.255403][T11059]  tty_register_device_attr+0x3a4/0x7d4
[  473.256889][T11059]  tty_register_device+0x3c/0x50
[  473.258283][T11059]  gsm_activate_mux+0xdc/0x268
[  473.259607][T11059]  gsmld_ioctl+0x16f0/0x2310
[  473.260834][T11059]  tty_ioctl+0x924/0xd8c
[  473.261980][T11059]  __arm64_sys_ioctl+0x14c/0x1c8
[  473.263329][T11059]  invoke_syscall+0x98/0x2b8
[  473.264612][T11059]  el0_svc_common+0x130/0x23c
[  473.265899][T11059]  do_el0_svc+0x48/0x58
[  473.267040][T11059]  el0_svc+0x58/0x16c
[  473.268120][T11059]  el0t_64_sync_handler+0x84/0xfc
[  473.269523][T11059]  el0t_64_sync+0x190/0x194
[  473.272250][T11059] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.643647][T11062] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  473.646168][T11062] CPU: 1 PID: 11062 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  473.649171][T11062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  473.651987][T11062] Call trace:
[  473.652879][T11062]  dump_backtrace+0x1b8/0x1e4
[  473.654253][T11062]  show_stack+0x2c/0x44
[  473.655439][T11062]  dump_stack_lvl+0xd0/0x124
[  473.656743][T11062]  dump_stack+0x1c/0x28
[  473.657968][T11062]  sysfs_create_dir_ns+0x278/0x318
[  473.659421][T11062]  kobject_add_internal+0x514/0xadc
[  473.660917][T11062]  kobject_add+0x14c/0x224
[  473.662115][T11062]  device_add+0x3a0/0xaac
[  473.663317][T11062]  device_register+0x28/0x38
[  473.664630][T11062]  tty_register_device_attr+0x3a4/0x7d4
[  473.666157][T11062]  tty_register_device+0x3c/0x50
[  473.667496][T11062]  gsm_activate_mux+0xdc/0x268
[  473.668879][T11062]  gsmld_ioctl+0x16f0/0x2310
[  473.670157][T11062]  tty_ioctl+0x924/0xd8c
[  473.671352][T11062]  __arm64_sys_ioctl+0x14c/0x1c8
[  473.672747][T11062]  invoke_syscall+0x98/0x2b8
[  473.674011][T11062]  el0_svc_common+0x130/0x23c
[  473.675324][T11062]  do_el0_svc+0x48/0x58
[  473.676463][T11062]  el0_svc+0x58/0x16c
[  473.677524][T11062]  el0t_64_sync_handler+0x84/0xfc
[  473.678961][T11062]  el0t_64_sync+0x190/0x194
[  473.687164][T11062] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  474.114615][T11065] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  474.118411][T11065] CPU: 1 PID: 11065 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  474.121252][T11065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  474.123932][T11065] Call trace:
[  474.124820][T11065]  dump_backtrace+0x1b8/0x1e4
[  474.126131][T11065]  show_stack+0x2c/0x44
[  474.127261][T11065]  dump_stack_lvl+0xd0/0x124
[  474.128531][T11065]  dump_stack+0x1c/0x28
[  474.129676][T11065]  sysfs_create_dir_ns+0x278/0x318
[  474.131026][T11065]  kobject_add_internal+0x514/0xadc
[  474.132400][T11065]  kobject_add+0x14c/0x224
[  474.133629][T11065]  device_add+0x3a0/0xaac
[  474.134803][T11065]  device_register+0x28/0x38
[  474.136037][T11065]  tty_register_device_attr+0x3a4/0x7d4
[  474.137620][T11065]  tty_register_device+0x3c/0x50
[  474.138990][T11065]  gsm_activate_mux+0xdc/0x268
[  474.140297][T11065]  gsmld_ioctl+0x16f0/0x2310
[  474.141502][T11065]  tty_ioctl+0x924/0xd8c
[  474.142685][T11065]  __arm64_sys_ioctl+0x14c/0x1c8
[  474.144035][T11065]  invoke_syscall+0x98/0x2b8
[  474.145269][T11065]  el0_svc_common+0x130/0x23c
[  474.146476][T11065]  do_el0_svc+0x48/0x58
[  474.147624][T11065]  el0_svc+0x58/0x16c
[  474.148721][T11065]  el0t_64_sync_handler+0x84/0xfc
[  474.150056][T11065]  el0t_64_sync+0x190/0x194
[  474.155331][T11065] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  474.542970][T11067] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  474.546974][T11067] CPU: 1 PID: 11067 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  474.549872][T11067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  474.552536][T11067] Call trace:
[  474.553509][T11067]  dump_backtrace+0x1b8/0x1e4
[  474.554794][T11067]  show_stack+0x2c/0x44
[  474.555892][T11067]  dump_stack_lvl+0xd0/0x124
[  474.557171][T11067]  dump_stack+0x1c/0x28
[  474.558299][T11067]  sysfs_create_dir_ns+0x278/0x318
[  474.559670][T11067]  kobject_add_internal+0x514/0xadc
[  474.561046][T11067]  kobject_add+0x14c/0x224
[  474.562235][T11067]  device_add+0x3a0/0xaac
[  474.563407][T11067]  device_register+0x28/0x38
[  474.564641][T11067]  tty_register_device_attr+0x3a4/0x7d4
[  474.566154][T11067]  tty_register_device+0x3c/0x50
[  474.567519][T11067]  gsm_activate_mux+0xdc/0x268
[  474.568858][T11067]  gsmld_ioctl+0x16f0/0x2310
[  474.570093][T11067]  tty_ioctl+0x924/0xd8c
[  474.571223][T11067]  __arm64_sys_ioctl+0x14c/0x1c8
[  474.572598][T11067]  invoke_syscall+0x98/0x2b8
[  474.573864][T11067]  el0_svc_common+0x130/0x23c
[  474.575127][T11067]  do_el0_svc+0x48/0x58
[  474.576281][T11067]  el0_svc+0x58/0x16c
[  474.577401][T11067]  el0t_64_sync_handler+0x84/0xfc
[  474.578863][T11067]  el0t_64_sync+0x190/0x194
[  474.584877][T11067] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.022300][T11071] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  475.030081][T11071] CPU: 1 PID: 11071 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  475.033000][T11071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  475.035817][T11071] Call trace:
[  475.036692][T11071]  dump_backtrace+0x1b8/0x1e4
[  475.037918][T11071]  show_stack+0x2c/0x44
[  475.039051][T11071]  dump_stack_lvl+0xd0/0x124
[  475.040332][T11071]  dump_stack+0x1c/0x28
[  475.041499][T11071]  sysfs_create_dir_ns+0x278/0x318
[  475.042949][T11071]  kobject_add_internal+0x514/0xadc
[  475.044376][T11071]  kobject_add+0x14c/0x224
[  475.045628][T11071]  device_add+0x3a0/0xaac
[  475.046783][T11071]  device_register+0x28/0x38
[  475.048012][T11071]  tty_register_device_attr+0x3a4/0x7d4
[  475.049547][T11071]  tty_register_device+0x3c/0x50
[  475.050953][T11071]  gsm_activate_mux+0xdc/0x268
[  475.052231][T11071]  gsmld_ioctl+0x16f0/0x2310
[  475.053485][T11071]  tty_ioctl+0x924/0xd8c
[  475.054656][T11071]  __arm64_sys_ioctl+0x14c/0x1c8
[  475.056074][T11071]  invoke_syscall+0x98/0x2b8
[  475.057348][T11071]  el0_svc_common+0x130/0x23c
[  475.058686][T11071]  do_el0_svc+0x48/0x58
[  475.059832][T11071]  el0_svc+0x58/0x16c
[  475.060964][T11071]  el0t_64_sync_handler+0x84/0xfc
[  475.062323][T11071]  el0t_64_sync+0x190/0x194
[  475.072859][T11071] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.461814][T11074] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  475.465783][T11074] CPU: 1 PID: 11074 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  475.468641][T11074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  475.471254][T11074] Call trace:
[  475.472105][T11074]  dump_backtrace+0x1b8/0x1e4
[  475.473336][T11074]  show_stack+0x2c/0x44
[  475.474427][T11074]  dump_stack_lvl+0xd0/0x124
[  475.475674][T11074]  dump_stack+0x1c/0x28
[  475.476818][T11074]  sysfs_create_dir_ns+0x278/0x318
[  475.478223][T11074]  kobject_add_internal+0x514/0xadc
[  475.479688][T11074]  kobject_add+0x14c/0x224
[  475.480862][T11074]  device_add+0x3a0/0xaac
[  475.482036][T11074]  device_register+0x28/0x38
[  475.483242][T11074]  tty_register_device_attr+0x3a4/0x7d4
[  475.484750][T11074]  tty_register_device+0x3c/0x50
[  475.486101][T11074]  gsm_activate_mux+0xdc/0x268
[  475.487373][T11074]  gsmld_ioctl+0x16f0/0x2310
[  475.488629][T11074]  tty_ioctl+0x924/0xd8c
[  475.489820][T11074]  __arm64_sys_ioctl+0x14c/0x1c8
[  475.491128][T11074]  invoke_syscall+0x98/0x2b8
[  475.492419][T11074]  el0_svc_common+0x130/0x23c
[  475.493702][T11074]  do_el0_svc+0x48/0x58
[  475.494827][T11074]  el0_svc+0x58/0x16c
[  475.495887][T11074]  el0t_64_sync_handler+0x84/0xfc
[  475.497216][T11074]  el0t_64_sync+0x190/0x194
[  475.501701][T11074] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.771641][T11077] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  475.774292][T11077] CPU: 0 PID: 11077 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  475.777223][T11077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  475.780035][T11077] Call trace:
[  475.780955][T11077]  dump_backtrace+0x1b8/0x1e4
[  475.782230][T11077]  show_stack+0x2c/0x44
[  475.783405][T11077]  dump_stack_lvl+0xd0/0x124
[  475.784745][T11077]  dump_stack+0x1c/0x28
[  475.785940][T11077]  sysfs_create_dir_ns+0x278/0x318
[  475.787343][T11077]  kobject_add_internal+0x514/0xadc
[  475.788896][T11077]  kobject_add+0x14c/0x224
[  475.790080][T11077]  device_add+0x3a0/0xaac
[  475.791270][T11077]  device_register+0x28/0x38
[  475.792515][T11077]  tty_register_device_attr+0x3a4/0x7d4
[  475.794029][T11077]  tty_register_device+0x3c/0x50
[  475.795387][T11077]  gsm_activate_mux+0xdc/0x268
[  475.796758][T11077]  gsmld_ioctl+0x16f0/0x2310
[  475.798034][T11077]  tty_ioctl+0x924/0xd8c
[  475.799226][T11077]  __arm64_sys_ioctl+0x14c/0x1c8
[  475.800544][T11077]  invoke_syscall+0x98/0x2b8
[  475.801746][T11077]  el0_svc_common+0x130/0x23c
[  475.803021][T11077]  do_el0_svc+0x48/0x58
[  475.804169][T11077]  el0_svc+0x58/0x16c
[  475.805271][T11077]  el0t_64_sync_handler+0x84/0xfc
[  475.806690][T11077]  el0t_64_sync+0x190/0x194
[  475.808692][T11077] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.816360][T11077] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  475.818926][T11077] CPU: 0 PID: 11077 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  475.821921][T11077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  475.824719][T11077] Call trace:
[  475.825651][T11077]  dump_backtrace+0x1b8/0x1e4
[  475.826948][T11077]  show_stack+0x2c/0x44
[  475.828108][T11077]  dump_stack_lvl+0xd0/0x124
[  475.829387][T11077]  dump_stack+0x1c/0x28
[  475.830552][T11077]  sysfs_create_dir_ns+0x278/0x318
[  475.831970][T11077]  kobject_add_internal+0x514/0xadc
[  475.833455][T11077]  kobject_add+0x14c/0x224
[  475.834696][T11077]  device_add+0x3a0/0xaac
[  475.835871][T11077]  device_register+0x28/0x38
[  475.837180][T11077]  tty_register_device_attr+0x3a4/0x7d4
[  475.838754][T11077]  tty_register_device+0x3c/0x50
[  475.840154][T11077]  gsm_activate_mux+0xdc/0x268
[  475.841499][T11077]  gsmld_ioctl+0x16f0/0x2310
[  475.842772][T11077]  tty_ioctl+0x924/0xd8c
[  475.843982][T11077]  __arm64_sys_ioctl+0x14c/0x1c8
[  475.845343][T11077]  invoke_syscall+0x98/0x2b8
[  475.846662][T11077]  el0_svc_common+0x130/0x23c
[  475.847932][T11077]  do_el0_svc+0x48/0x58
[  475.849084][T11077]  el0_svc+0x58/0x16c
[  475.850180][T11077]  el0t_64_sync_handler+0x84/0xfc
[  475.851549][T11077]  el0t_64_sync+0x190/0x194
[  475.861748][T11077] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.028756][T11080] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.031750][T11080] CPU: 0 PID: 11080 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  476.034522][T11080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  476.037169][T11080] Call trace:
[  476.038063][T11080]  dump_backtrace+0x1b8/0x1e4
[  476.039331][T11080]  show_stack+0x2c/0x44
[  476.040456][T11080]  dump_stack_lvl+0xd0/0x124
[  476.041682][T11080]  dump_stack+0x1c/0x28
[  476.042829][T11080]  sysfs_create_dir_ns+0x278/0x318
[  476.044284][T11080]  kobject_add_internal+0x514/0xadc
[  476.045725][T11080]  kobject_add+0x14c/0x224
[  476.046915][T11080]  device_add+0x3a0/0xaac
[  476.048171][T11080]  device_register+0x28/0x38
[  476.049481][T11080]  tty_register_device_attr+0x3a4/0x7d4
[  476.050984][T11080]  tty_register_device+0x3c/0x50
[  476.052392][T11080]  gsm_activate_mux+0xdc/0x268
[  476.053743][T11080]  gsmld_ioctl+0x16f0/0x2310
[  476.055025][T11080]  tty_ioctl+0x924/0xd8c
[  476.056224][T11080]  __arm64_sys_ioctl+0x14c/0x1c8
[  476.057645][T11080]  invoke_syscall+0x98/0x2b8
[  476.058863][T11080]  el0_svc_common+0x130/0x23c
[  476.060164][T11080]  do_el0_svc+0x48/0x58
[  476.061350][T11080]  el0_svc+0x58/0x16c
[  476.062495][T11080]  el0t_64_sync_handler+0x84/0xfc
[  476.063877][T11080]  el0t_64_sync+0x190/0x194
[  476.070787][T11080] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.270743][T11083] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.273099][T11083] CPU: 0 PID: 11083 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  476.275904][T11083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  476.278675][T11083] Call trace:
[  476.279571][T11083]  dump_backtrace+0x1b8/0x1e4
[  476.280907][T11083]  show_stack+0x2c/0x44
[  476.282030][T11083]  dump_stack_lvl+0xd0/0x124
[  476.283256][T11083]  dump_stack+0x1c/0x28
[  476.284395][T11083]  sysfs_create_dir_ns+0x278/0x318
[  476.285789][T11083]  kobject_add_internal+0x514/0xadc
[  476.287206][T11083]  kobject_add+0x14c/0x224
[  476.288398][T11083]  device_add+0x3a0/0xaac
[  476.289611][T11083]  device_register+0x28/0x38
[  476.290859][T11083]  tty_register_device_attr+0x3a4/0x7d4
[  476.292420][T11083]  tty_register_device+0x3c/0x50
[  476.293851][T11083]  gsm_activate_mux+0xdc/0x268
[  476.295184][T11083]  gsmld_ioctl+0x16f0/0x2310
[  476.296504][T11083]  tty_ioctl+0x924/0xd8c
[  476.297658][T11083]  __arm64_sys_ioctl+0x14c/0x1c8
[  476.299047][T11083]  invoke_syscall+0x98/0x2b8
[  476.300318][T11083]  el0_svc_common+0x130/0x23c
[  476.301644][T11083]  do_el0_svc+0x48/0x58
[  476.302818][T11083]  el0_svc+0x58/0x16c
[  476.303954][T11083]  el0t_64_sync_handler+0x84/0xfc
[  476.305369][T11083]  el0t_64_sync+0x190/0x194
[  476.312166][T11083] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.504798][T11086] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.508875][T11086] CPU: 1 PID: 11086 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  476.511742][T11086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  476.514381][T11086] Call trace:
[  476.515254][T11086]  dump_backtrace+0x1b8/0x1e4
[  476.516506][T11086]  show_stack+0x2c/0x44
[  476.517676][T11086]  dump_stack_lvl+0xd0/0x124
[  476.518938][T11086]  dump_stack+0x1c/0x28
[  476.520077][T11086]  sysfs_create_dir_ns+0x278/0x318
[  476.521421][T11086]  kobject_add_internal+0x514/0xadc
[  476.522824][T11086]  kobject_add+0x14c/0x224
[  476.524031][T11086]  device_add+0x3a0/0xaac
[  476.525189][T11086]  device_register+0x28/0x38
[  476.526417][T11086]  tty_register_device_attr+0x3a4/0x7d4
[  476.527916][T11086]  tty_register_device+0x3c/0x50
[  476.529201][T11086]  gsm_activate_mux+0xdc/0x268
[  476.530447][T11086]  gsmld_ioctl+0x16f0/0x2310
[  476.531717][T11086]  tty_ioctl+0x924/0xd8c
[  476.532882][T11086]  __arm64_sys_ioctl+0x14c/0x1c8
[  476.534255][T11086]  invoke_syscall+0x98/0x2b8
[  476.535513][T11086]  el0_svc_common+0x130/0x23c
[  476.536786][T11086]  do_el0_svc+0x48/0x58
[  476.537890][T11086]  el0_svc+0x58/0x16c
[  476.538979][T11086]  el0t_64_sync_handler+0x84/0xfc
[  476.540415][T11086]  el0t_64_sync+0x190/0x194
[  476.546875][T11086] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.552390][T11086] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.555822][T11086] CPU: 1 PID: 11086 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  476.558693][T11086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  476.561295][T11086] Call trace:
[  476.562217][T11086]  dump_backtrace+0x1b8/0x1e4
[  476.563498][T11086]  show_stack+0x2c/0x44
[  476.564625][T11086]  dump_stack_lvl+0xd0/0x124
[  476.565849][T11086]  dump_stack+0x1c/0x28
[  476.566914][T11086]  sysfs_create_dir_ns+0x278/0x318
[  476.568288][T11086]  kobject_add_internal+0x514/0xadc
[  476.569695][T11086]  kobject_add+0x14c/0x224
[  476.570856][T11086]  device_add+0x3a0/0xaac
[  476.571967][T11086]  device_register+0x28/0x38
[  476.573222][T11086]  tty_register_device_attr+0x3a4/0x7d4
[  476.574750][T11086]  tty_register_device+0x3c/0x50
[  476.576116][T11086]  gsm_activate_mux+0xdc/0x268
[  476.577426][T11086]  gsmld_ioctl+0x16f0/0x2310
[  476.578556][T11086]  tty_ioctl+0x924/0xd8c
[  476.579700][T11086]  __arm64_sys_ioctl+0x14c/0x1c8
[  476.580991][T11086]  invoke_syscall+0x98/0x2b8
[  476.582251][T11086]  el0_svc_common+0x130/0x23c
[  476.583452][T11086]  do_el0_svc+0x48/0x58
[  476.584593][T11086]  el0_svc+0x58/0x16c
[  476.585642][T11086]  el0t_64_sync_handler+0x84/0xfc
[  476.587071][T11086]  el0t_64_sync+0x190/0x194
[  476.588417][T11086] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.764662][T11089] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.767743][T11089] CPU: 1 PID: 11089 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  476.770471][T11089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  476.773142][T11089] Call trace:
[  476.773987][T11089]  dump_backtrace+0x1b8/0x1e4
[  476.775196][T11089]  show_stack+0x2c/0x44
[  476.776335][T11089]  dump_stack_lvl+0xd0/0x124
[  476.777612][T11089]  dump_stack+0x1c/0x28
[  476.778741][T11089]  sysfs_create_dir_ns+0x278/0x318
[  476.780095][T11089]  kobject_add_internal+0x514/0xadc
[  476.781502][T11089]  kobject_add+0x14c/0x224
[  476.782637][T11089]  device_add+0x3a0/0xaac
[  476.783800][T11089]  device_register+0x28/0x38
[  476.785089][T11089]  tty_register_device_attr+0x3a4/0x7d4
[  476.786611][T11089]  tty_register_device+0x3c/0x50
[  476.787953][T11089]  gsm_activate_mux+0xdc/0x268
[  476.789260][T11089]  gsmld_ioctl+0x16f0/0x2310
[  476.790474][T11089]  tty_ioctl+0x924/0xd8c
[  476.791578][T11089]  __arm64_sys_ioctl+0x14c/0x1c8
[  476.792887][T11089]  invoke_syscall+0x98/0x2b8
[  476.794100][T11089]  el0_svc_common+0x130/0x23c
[  476.795323][T11089]  do_el0_svc+0x48/0x58
[  476.796400][T11089]  el0_svc+0x58/0x16c
[  476.797473][T11089]  el0t_64_sync_handler+0x84/0xfc
[  476.798816][T11089]  el0t_64_sync+0x190/0x194
[  476.806466][T11089] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.993545][T11092] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  476.997468][T11092] CPU: 1 PID: 11092 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  477.000393][T11092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  477.003088][T11092] Call trace:
[  477.003989][T11092]  dump_backtrace+0x1b8/0x1e4
[  477.005231][T11092]  show_stack+0x2c/0x44
[  477.006404][T11092]  dump_stack_lvl+0xd0/0x124
[  477.007743][T11092]  dump_stack+0x1c/0x28
[  477.008916][T11092]  sysfs_create_dir_ns+0x278/0x318
[  477.010299][T11092]  kobject_add_internal+0x514/0xadc
[  477.011690][T11092]  kobject_add+0x14c/0x224
[  477.012878][T11092]  device_add+0x3a0/0xaac
[  477.014078][T11092]  device_register+0x28/0x38
[  477.015326][T11092]  tty_register_device_attr+0x3a4/0x7d4
[  477.016850][T11092]  tty_register_device+0x3c/0x50
[  477.018173][T11092]  gsm_activate_mux+0xdc/0x268
[  477.019480][T11092]  gsmld_ioctl+0x16f0/0x2310
[  477.020832][T11092]  tty_ioctl+0x924/0xd8c
[  477.021962][T11092]  __arm64_sys_ioctl+0x14c/0x1c8
[  477.023301][T11092]  invoke_syscall+0x98/0x2b8
[  477.024554][T11092]  el0_svc_common+0x130/0x23c
[  477.025803][T11092]  do_el0_svc+0x48/0x58
[  477.026964][T11092]  el0_svc+0x58/0x16c
[  477.028070][T11092]  el0t_64_sync_handler+0x84/0xfc
[  477.029445][T11092]  el0t_64_sync+0x190/0x194
[  477.031023][T11092] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.382425][T11095] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  477.386634][T11095] CPU: 1 PID: 11095 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  477.389502][T11095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  477.392247][T11095] Call trace:
[  477.393169][T11095]  dump_backtrace+0x1b8/0x1e4
[  477.394438][T11095]  show_stack+0x2c/0x44
[  477.395581][T11095]  dump_stack_lvl+0xd0/0x124
[  477.396825][T11095]  dump_stack+0x1c/0x28
[  477.397957][T11095]  sysfs_create_dir_ns+0x278/0x318
[  477.399339][T11095]  kobject_add_internal+0x514/0xadc
[  477.400762][T11095]  kobject_add+0x14c/0x224
[  477.401935][T11095]  device_add+0x3a0/0xaac
[  477.403112][T11095]  device_register+0x28/0x38
[  477.404392][T11095]  tty_register_device_attr+0x3a4/0x7d4
[  477.405937][T11095]  tty_register_device+0x3c/0x50
[  477.407295][T11095]  gsm_activate_mux+0xdc/0x268
[  477.408616][T11095]  gsmld_ioctl+0x16f0/0x2310
[  477.409886][T11095]  tty_ioctl+0x924/0xd8c
[  477.411049][T11095]  __arm64_sys_ioctl+0x14c/0x1c8
[  477.412413][T11095]  invoke_syscall+0x98/0x2b8
[  477.413705][T11095]  el0_svc_common+0x130/0x23c
[  477.415013][T11095]  do_el0_svc+0x48/0x58
[  477.416128][T11095]  el0_svc+0x58/0x16c
[  477.417228][T11095]  el0t_64_sync_handler+0x84/0xfc
[  477.418622][T11095]  el0t_64_sync+0x190/0x194
[  477.426703][T11095] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.681513][T11098] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  477.686222][T11098] CPU: 1 PID: 11098 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  477.689047][T11098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  477.691678][T11098] Call trace:
[  477.692614][T11098]  dump_backtrace+0x1b8/0x1e4
[  477.693836][T11098]  show_stack+0x2c/0x44
[  477.694906][T11098]  dump_stack_lvl+0xd0/0x124
[  477.696063][T11098]  dump_stack+0x1c/0x28
[  477.697193][T11098]  sysfs_create_dir_ns+0x278/0x318
[  477.698643][T11098]  kobject_add_internal+0x514/0xadc
[  477.700099][T11098]  kobject_add+0x14c/0x224
[  477.701349][T11098]  device_add+0x3a0/0xaac
[  477.702586][T11098]  device_register+0x28/0x38
[  477.703851][T11098]  tty_register_device_attr+0x3a4/0x7d4
[  477.705393][T11098]  tty_register_device+0x3c/0x50
[  477.706763][T11098]  gsm_activate_mux+0xdc/0x268
[  477.708038][T11098]  gsmld_ioctl+0x16f0/0x2310
[  477.709315][T11098]  tty_ioctl+0x924/0xd8c
[  477.710439][T11098]  __arm64_sys_ioctl+0x14c/0x1c8
[  477.711777][T11098]  invoke_syscall+0x98/0x2b8
[  477.713028][T11098]  el0_svc_common+0x130/0x23c
[  477.714461][T11098]  do_el0_svc+0x48/0x58
[  477.715582][T11098]  el0_svc+0x58/0x16c
[  477.716644][T11098]  el0t_64_sync_handler+0x84/0xfc
[  477.717999][T11098]  el0t_64_sync+0x190/0x194
[  477.739382][T11098] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.930358][T11101] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  477.935714][T11101] CPU: 0 PID: 11101 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  477.938600][T11101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  477.941377][T11101] Call trace:
[  477.942277][T11101]  dump_backtrace+0x1b8/0x1e4
[  477.943570][T11101]  show_stack+0x2c/0x44
[  477.944718][T11101]  dump_stack_lvl+0xd0/0x124
[  477.945942][T11101]  dump_stack+0x1c/0x28
[  477.947061][T11101]  sysfs_create_dir_ns+0x278/0x318
[  477.948420][T11101]  kobject_add_internal+0x514/0xadc
[  477.949899][T11101]  kobject_add+0x14c/0x224
[  477.951070][T11101]  device_add+0x3a0/0xaac
[  477.952312][T11101]  device_register+0x28/0x38
[  477.953517][T11101]  tty_register_device_attr+0x3a4/0x7d4
[  477.955073][T11101]  tty_register_device+0x3c/0x50
[  477.956408][T11101]  gsm_activate_mux+0xdc/0x268
[  477.957726][T11101]  gsmld_ioctl+0x16f0/0x2310
[  477.959017][T11101]  tty_ioctl+0x924/0xd8c
[  477.960144][T11101]  __arm64_sys_ioctl+0x14c/0x1c8
[  477.961505][T11101]  invoke_syscall+0x98/0x2b8
[  477.962871][T11101]  el0_svc_common+0x130/0x23c
[  477.964150][T11101]  do_el0_svc+0x48/0x58
[  477.965295][T11101]  el0_svc+0x58/0x16c
[  477.966377][T11101]  el0t_64_sync_handler+0x84/0xfc
[  477.967798][T11101]  el0t_64_sync+0x190/0x194
[  477.975114][T11101] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.182937][T11104] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  478.185954][T11104] CPU: 1 PID: 11104 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  478.188839][T11104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  478.191661][T11104] Call trace:
[  478.192547][T11104]  dump_backtrace+0x1b8/0x1e4
[  478.193929][T11104]  show_stack+0x2c/0x44
[  478.195133][T11104]  dump_stack_lvl+0xd0/0x124
[  478.196383][T11104]  dump_stack+0x1c/0x28
[  478.197515][T11104]  sysfs_create_dir_ns+0x278/0x318
[  478.198973][T11104]  kobject_add_internal+0x514/0xadc
[  478.200432][T11104]  kobject_add+0x14c/0x224
[  478.201674][T11104]  device_add+0x3a0/0xaac
[  478.202872][T11104]  device_register+0x28/0x38
[  478.204196][T11104]  tty_register_device_attr+0x3a4/0x7d4
[  478.205766][T11104]  tty_register_device+0x3c/0x50
[  478.207104][T11104]  gsm_activate_mux+0xdc/0x268
[  478.208460][T11104]  gsmld_ioctl+0x16f0/0x2310
[  478.209738][T11104]  tty_ioctl+0x924/0xd8c
[  478.210988][T11104]  __arm64_sys_ioctl+0x14c/0x1c8
[  478.212417][T11104]  invoke_syscall+0x98/0x2b8
[  478.213760][T11104]  el0_svc_common+0x130/0x23c
[  478.215025][T11104]  do_el0_svc+0x48/0x58
[  478.216188][T11104]  el0_svc+0x58/0x16c
[  478.217488][T11104]  el0t_64_sync_handler+0x84/0xfc
[  478.218867][T11104]  el0t_64_sync+0x190/0x194
[  478.223260][T11104] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.230366][T11104] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  478.232926][T11104] CPU: 1 PID: 11104 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  478.235725][T11104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  478.238487][T11104] Call trace:
[  478.239323][T11104]  dump_backtrace+0x1b8/0x1e4
[  478.240642][T11104]  show_stack+0x2c/0x44
[  478.241761][T11104]  dump_stack_lvl+0xd0/0x124
[  478.243020][T11104]  dump_stack+0x1c/0x28
[  478.244177][T11104]  sysfs_create_dir_ns+0x278/0x318
[  478.245542][T11104]  kobject_add_internal+0x514/0xadc
[  478.246962][T11104]  kobject_add+0x14c/0x224
[  478.248137][T11104]  device_add+0x3a0/0xaac
[  478.249283][T11104]  device_register+0x28/0x38
[  478.250539][T11104]  tty_register_device_attr+0x3a4/0x7d4
[  478.252021][T11104]  tty_register_device+0x3c/0x50
[  478.253357][T11104]  gsm_activate_mux+0xdc/0x268
[  478.254695][T11104]  gsmld_ioctl+0x16f0/0x2310
[  478.255916][T11104]  tty_ioctl+0x924/0xd8c
[  478.257049][T11104]  __arm64_sys_ioctl+0x14c/0x1c8
[  478.258389][T11104]  invoke_syscall+0x98/0x2b8
[  478.259672][T11104]  el0_svc_common+0x130/0x23c
[  478.260990][T11104]  do_el0_svc+0x48/0x58
[  478.262119][T11104]  el0_svc+0x58/0x16c
[  478.263201][T11104]  el0t_64_sync_handler+0x84/0xfc
[  478.264608][T11104]  el0t_64_sync+0x190/0x194
[  478.268365][T11104] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.599187][T11107] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  478.601488][T11107] CPU: 1 PID: 11107 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  478.604212][T11107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  478.606850][T11107] Call trace:
[  478.607793][T11107]  dump_backtrace+0x1b8/0x1e4
[  478.609047][T11107]  show_stack+0x2c/0x44
[  478.610151][T11107]  dump_stack_lvl+0xd0/0x124
[  478.611423][T11107]  dump_stack+0x1c/0x28
[  478.612530][T11107]  sysfs_create_dir_ns+0x278/0x318
[  478.613928][T11107]  kobject_add_internal+0x514/0xadc
[  478.615399][T11107]  kobject_add+0x14c/0x224
[  478.616574][T11107]  device_add+0x3a0/0xaac
[  478.617760][T11107]  device_register+0x28/0x38
[  478.619002][T11107]  tty_register_device_attr+0x3a4/0x7d4
[  478.620499][T11107]  tty_register_device+0x3c/0x50
[  478.621860][T11107]  gsm_activate_mux+0xdc/0x268
[  478.623221][T11107]  gsmld_ioctl+0x16f0/0x2310
[  478.624419][T11107]  tty_ioctl+0x924/0xd8c
[  478.625588][T11107]  __arm64_sys_ioctl+0x14c/0x1c8
[  478.626903][T11107]  invoke_syscall+0x98/0x2b8
[  478.628146][T11107]  el0_svc_common+0x130/0x23c
[  478.629442][T11107]  do_el0_svc+0x48/0x58
[  478.630622][T11107]  el0_svc+0x58/0x16c
[  478.631707][T11107]  el0t_64_sync_handler+0x84/0xfc
[  478.633148][T11107]  el0t_64_sync+0x190/0x194
[  478.647282][T11107] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.883188][T11110] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  478.885455][T11110] CPU: 0 PID: 11110 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  478.888347][T11110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  478.891062][T11110] Call trace:
[  478.891940][T11110]  dump_backtrace+0x1b8/0x1e4
[  478.893170][T11110]  show_stack+0x2c/0x44
[  478.894316][T11110]  dump_stack_lvl+0xd0/0x124
[  478.895604][T11110]  dump_stack+0x1c/0x28
[  478.896706][T11110]  sysfs_create_dir_ns+0x278/0x318
[  478.898116][T11110]  kobject_add_internal+0x514/0xadc
[  478.899520][T11110]  kobject_add+0x14c/0x224
[  478.900780][T11110]  device_add+0x3a0/0xaac
[  478.901913][T11110]  device_register+0x28/0x38
[  478.903187][T11110]  tty_register_device_attr+0x3a4/0x7d4
[  478.904693][T11110]  tty_register_device+0x3c/0x50
[  478.906041][T11110]  gsm_activate_mux+0xdc/0x268
[  478.907306][T11110]  gsmld_ioctl+0x16f0/0x2310
[  478.908590][T11110]  tty_ioctl+0x924/0xd8c
[  478.909769][T11110]  __arm64_sys_ioctl+0x14c/0x1c8
[  478.911128][T11110]  invoke_syscall+0x98/0x2b8
[  478.912365][T11110]  el0_svc_common+0x130/0x23c
[  478.913552][T11110]  do_el0_svc+0x48/0x58
[  478.914698][T11110]  el0_svc+0x58/0x16c
[  478.915790][T11110]  el0t_64_sync_handler+0x84/0xfc
[  478.917156][T11110]  el0t_64_sync+0x190/0x194
[  478.920961][T11110] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.925461][T11110] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  478.928056][T11110] CPU: 0 PID: 11110 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  478.930849][T11110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  478.933484][T11110] Call trace:
[  478.934331][T11110]  dump_backtrace+0x1b8/0x1e4
[  478.935651][T11110]  show_stack+0x2c/0x44
[  478.936832][T11110]  dump_stack_lvl+0xd0/0x124
[  478.938150][T11110]  dump_stack+0x1c/0x28
[  478.939298][T11110]  sysfs_create_dir_ns+0x278/0x318
[  478.940746][T11110]  kobject_add_internal+0x514/0xadc
[  478.942121][T11110]  kobject_add+0x14c/0x224
[  478.943313][T11110]  device_add+0x3a0/0xaac
[  478.944484][T11110]  device_register+0x28/0x38
[  478.945694][T11110]  tty_register_device_attr+0x3a4/0x7d4
[  478.947167][T11110]  tty_register_device+0x3c/0x50
[  478.948487][T11110]  gsm_activate_mux+0xdc/0x268
[  478.949832][T11110]  gsmld_ioctl+0x16f0/0x2310
[  478.951041][T11110]  tty_ioctl+0x924/0xd8c
[  478.952191][T11110]  __arm64_sys_ioctl+0x14c/0x1c8
[  478.953582][T11110]  invoke_syscall+0x98/0x2b8
[  478.954863][T11110]  el0_svc_common+0x130/0x23c
[  478.956103][T11110]  do_el0_svc+0x48/0x58
[  478.957216][T11110]  el0_svc+0x58/0x16c
[  478.958296][T11110]  el0t_64_sync_handler+0x84/0xfc
[  478.959621][T11110]  el0t_64_sync+0x190/0x194
[  478.961280][T11110] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.148463][T11113] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  479.152581][T11113] CPU: 1 PID: 11113 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  479.155452][T11113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  479.158184][T11113] Call trace:
[  479.159101][T11113]  dump_backtrace+0x1b8/0x1e4
[  479.160436][T11113]  show_stack+0x2c/0x44
[  479.161535][T11113]  dump_stack_lvl+0xd0/0x124
[  479.162732][T11113]  dump_stack+0x1c/0x28
[  479.163860][T11113]  sysfs_create_dir_ns+0x278/0x318
[  479.165170][T11113]  kobject_add_internal+0x514/0xadc
[  479.166634][T11113]  kobject_add+0x14c/0x224
[  479.167872][T11113]  device_add+0x3a0/0xaac
[  479.169059][T11113]  device_register+0x28/0x38
[  479.170286][T11113]  tty_register_device_attr+0x3a4/0x7d4
[  479.171752][T11113]  tty_register_device+0x3c/0x50
[  479.173068][T11113]  gsm_activate_mux+0xdc/0x268
[  479.174353][T11113]  gsmld_ioctl+0x16f0/0x2310
[  479.175648][T11113]  tty_ioctl+0x924/0xd8c
[  479.176778][T11113]  __arm64_sys_ioctl+0x14c/0x1c8
[  479.178113][T11113]  invoke_syscall+0x98/0x2b8
[  479.179362][T11113]  el0_svc_common+0x130/0x23c
[  479.180559][T11113]  do_el0_svc+0x48/0x58
[  479.181673][T11113]  el0_svc+0x58/0x16c
[  479.182740][T11113]  el0t_64_sync_handler+0x84/0xfc
[  479.184020][T11113]  el0t_64_sync+0x190/0x194
[  479.191694][T11113] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.397367][T11116] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  479.399597][T11116] CPU: 1 PID: 11116 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  479.402312][T11116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  479.405037][T11116] Call trace:
[  479.405919][T11116]  dump_backtrace+0x1b8/0x1e4
[  479.407229][T11116]  show_stack+0x2c/0x44
[  479.408346][T11116]  dump_stack_lvl+0xd0/0x124
[  479.409530][T11116]  dump_stack+0x1c/0x28
[  479.410680][T11116]  sysfs_create_dir_ns+0x278/0x318
[  479.412086][T11116]  kobject_add_internal+0x514/0xadc
[  479.413477][T11116]  kobject_add+0x14c/0x224
[  479.414687][T11116]  device_add+0x3a0/0xaac
[  479.415880][T11116]  device_register+0x28/0x38
[  479.417098][T11116]  tty_register_device_attr+0x3a4/0x7d4
[  479.418653][T11116]  tty_register_device+0x3c/0x50
[  479.420038][T11116]  gsm_activate_mux+0xdc/0x268
[  479.421327][T11116]  gsmld_ioctl+0x16f0/0x2310
[  479.422631][T11116]  tty_ioctl+0x924/0xd8c
[  479.423776][T11116]  __arm64_sys_ioctl+0x14c/0x1c8
[  479.425102][T11116]  invoke_syscall+0x98/0x2b8
[  479.426373][T11116]  el0_svc_common+0x130/0x23c
[  479.427615][T11116]  do_el0_svc+0x48/0x58
[  479.428667][T11116]  el0_svc+0x58/0x16c
[  479.429735][T11116]  el0t_64_sync_handler+0x84/0xfc
[  479.431014][T11116]  el0t_64_sync+0x190/0x194
[  479.437749][T11116] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.790834][T11119] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  479.793170][T11119] CPU: 0 PID: 11119 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  479.795928][T11119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  479.798645][T11119] Call trace:
[  479.799546][T11119]  dump_backtrace+0x1b8/0x1e4
[  479.800845][T11119]  show_stack+0x2c/0x44
[  479.802016][T11119]  dump_stack_lvl+0xd0/0x124
[  479.803315][T11119]  dump_stack+0x1c/0x28
[  479.804372][T11119]  sysfs_create_dir_ns+0x278/0x318
[  479.805750][T11119]  kobject_add_internal+0x514/0xadc
[  479.807145][T11119]  kobject_add+0x14c/0x224
[  479.808335][T11119]  device_add+0x3a0/0xaac
[  479.809506][T11119]  device_register+0x28/0x38
[  479.810738][T11119]  tty_register_device_attr+0x3a4/0x7d4
[  479.812208][T11119]  tty_register_device+0x3c/0x50
[  479.813527][T11119]  gsm_activate_mux+0xdc/0x268
[  479.814810][T11119]  gsmld_ioctl+0x16f0/0x2310
[  479.816050][T11119]  tty_ioctl+0x924/0xd8c
[  479.817165][T11119]  __arm64_sys_ioctl+0x14c/0x1c8
[  479.818556][T11119]  invoke_syscall+0x98/0x2b8
[  479.819763][T11119]  el0_svc_common+0x130/0x23c
[  479.821033][T11119]  do_el0_svc+0x48/0x58
[  479.822167][T11119]  el0_svc+0x58/0x16c
[  479.823245][T11119]  el0t_64_sync_handler+0x84/0xfc
[  479.824611][T11119]  el0t_64_sync+0x190/0x194
[  479.829061][T11119] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.076106][T11122] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.078353][T11122] CPU: 1 PID: 11122 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  480.081103][T11122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  480.083659][T11122] Call trace:
[  480.084505][T11122]  dump_backtrace+0x1b8/0x1e4
[  480.085758][T11122]  show_stack+0x2c/0x44
[  480.086865][T11122]  dump_stack_lvl+0xd0/0x124
[  480.088115][T11122]  dump_stack+0x1c/0x28
[  480.089261][T11122]  sysfs_create_dir_ns+0x278/0x318
[  480.090663][T11122]  kobject_add_internal+0x514/0xadc
[  480.092124][T11122]  kobject_add+0x14c/0x224
[  480.093281][T11122]  device_add+0x3a0/0xaac
[  480.094475][T11122]  device_register+0x28/0x38
[  480.095730][T11122]  tty_register_device_attr+0x3a4/0x7d4
[  480.097201][T11122]  tty_register_device+0x3c/0x50
[  480.098584][T11122]  gsm_activate_mux+0xdc/0x268
[  480.099867][T11122]  gsmld_ioctl+0x16f0/0x2310
[  480.101074][T11122]  tty_ioctl+0x924/0xd8c
[  480.102251][T11122]  __arm64_sys_ioctl+0x14c/0x1c8
[  480.103602][T11122]  invoke_syscall+0x98/0x2b8
[  480.104828][T11122]  el0_svc_common+0x130/0x23c
[  480.106081][T11122]  do_el0_svc+0x48/0x58
[  480.107139][T11122]  el0_svc+0x58/0x16c
[  480.108202][T11122]  el0t_64_sync_handler+0x84/0xfc
[  480.109555][T11122]  el0t_64_sync+0x190/0x194
[  480.115792][T11122] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.123651][T11122] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.127995][T11122] CPU: 1 PID: 11122 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  480.130833][T11122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  480.133357][T11122] Call trace:
[  480.134228][T11122]  dump_backtrace+0x1b8/0x1e4
[  480.135494][T11122]  show_stack+0x2c/0x44
[  480.136617][T11122]  dump_stack_lvl+0xd0/0x124
[  480.137824][T11122]  dump_stack+0x1c/0x28
[  480.138924][T11122]  sysfs_create_dir_ns+0x278/0x318
[  480.140330][T11122]  kobject_add_internal+0x514/0xadc
[  480.141760][T11122]  kobject_add+0x14c/0x224
[  480.143029][T11122]  device_add+0x3a0/0xaac
[  480.144190][T11122]  device_register+0x28/0x38
[  480.145434][T11122]  tty_register_device_attr+0x3a4/0x7d4
[  480.146941][T11122]  tty_register_device+0x3c/0x50
[  480.148261][T11122]  gsm_activate_mux+0xdc/0x268
[  480.149574][T11122]  gsmld_ioctl+0x16f0/0x2310
[  480.150822][T11122]  tty_ioctl+0x924/0xd8c
[  480.151947][T11122]  __arm64_sys_ioctl+0x14c/0x1c8
[  480.153298][T11122]  invoke_syscall+0x98/0x2b8
[  480.154501][T11122]  el0_svc_common+0x130/0x23c
[  480.155745][T11122]  do_el0_svc+0x48/0x58
[  480.156865][T11122]  el0_svc+0x58/0x16c
[  480.157949][T11122]  el0t_64_sync_handler+0x84/0xfc
[  480.159315][T11122]  el0t_64_sync+0x190/0x194
[  480.161335][T11122] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.342836][T11125] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.345090][T11125] CPU: 1 PID: 11125 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  480.347994][T11125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  480.350712][T11125] Call trace:
[  480.351616][T11125]  dump_backtrace+0x1b8/0x1e4
[  480.352889][T11125]  show_stack+0x2c/0x44
[  480.353980][T11125]  dump_stack_lvl+0xd0/0x124
[  480.355246][T11125]  dump_stack+0x1c/0x28
[  480.356395][T11125]  sysfs_create_dir_ns+0x278/0x318
[  480.357741][T11125]  kobject_add_internal+0x514/0xadc
[  480.359154][T11125]  kobject_add+0x14c/0x224
[  480.360394][T11125]  device_add+0x3a0/0xaac
[  480.361606][T11125]  device_register+0x28/0x38
[  480.362924][T11125]  tty_register_device_attr+0x3a4/0x7d4
[  480.364407][T11125]  tty_register_device+0x3c/0x50
[  480.365759][T11125]  gsm_activate_mux+0xdc/0x268
[  480.367083][T11125]  gsmld_ioctl+0x16f0/0x2310
[  480.368287][T11125]  tty_ioctl+0x924/0xd8c
[  480.369444][T11125]  __arm64_sys_ioctl+0x14c/0x1c8
[  480.370809][T11125]  invoke_syscall+0x98/0x2b8
[  480.372063][T11125]  el0_svc_common+0x130/0x23c
[  480.373321][T11125]  do_el0_svc+0x48/0x58
[  480.374460][T11125]  el0_svc+0x58/0x16c
[  480.375580][T11125]  el0t_64_sync_handler+0x84/0xfc
[  480.376947][T11125]  el0t_64_sync+0x190/0x194
[  480.384745][T11125] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.390290][T11125] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.392793][T11125] CPU: 1 PID: 11125 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  480.395664][T11125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  480.398353][T11125] Call trace:
[  480.399241][T11125]  dump_backtrace+0x1b8/0x1e4
[  480.400501][T11125]  show_stack+0x2c/0x44
[  480.401717][T11125]  dump_stack_lvl+0xd0/0x124
[  480.402981][T11125]  dump_stack+0x1c/0x28
[  480.404145][T11125]  sysfs_create_dir_ns+0x278/0x318
[  480.405579][T11125]  kobject_add_internal+0x514/0xadc
[  480.407068][T11125]  kobject_add+0x14c/0x224
[  480.408270][T11125]  device_add+0x3a0/0xaac
[  480.409470][T11125]  device_register+0x28/0x38
[  480.410724][T11125]  tty_register_device_attr+0x3a4/0x7d4
[  480.412241][T11125]  tty_register_device+0x3c/0x50
[  480.413598][T11125]  gsm_activate_mux+0xdc/0x268
[  480.414912][T11125]  gsmld_ioctl+0x16f0/0x2310
[  480.416112][T11125]  tty_ioctl+0x924/0xd8c
[  480.417303][T11125]  __arm64_sys_ioctl+0x14c/0x1c8
[  480.418660][T11125]  invoke_syscall+0x98/0x2b8
[  480.419964][T11125]  el0_svc_common+0x130/0x23c
[  480.421291][T11125]  do_el0_svc+0x48/0x58
[  480.422386][T11125]  el0_svc+0x58/0x16c
[  480.423483][T11125]  el0t_64_sync_handler+0x84/0xfc
[  480.424880][T11125]  el0t_64_sync+0x190/0x194
[  480.434451][T11125] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.604520][T11128] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.609103][T11128] CPU: 1 PID: 11128 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  480.611894][T11128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  480.614410][T11128] Call trace:
[  480.615254][T11128]  dump_backtrace+0x1b8/0x1e4
[  480.616535][T11128]  show_stack+0x2c/0x44
[  480.617668][T11128]  dump_stack_lvl+0xd0/0x124
[  480.618937][T11128]  dump_stack+0x1c/0x28
[  480.620027][T11128]  sysfs_create_dir_ns+0x278/0x318
[  480.621393][T11128]  kobject_add_internal+0x514/0xadc
[  480.622839][T11128]  kobject_add+0x14c/0x224
[  480.623985][T11128]  device_add+0x3a0/0xaac
[  480.625144][T11128]  device_register+0x28/0x38
[  480.626374][T11128]  tty_register_device_attr+0x3a4/0x7d4
[  480.627932][T11128]  tty_register_device+0x3c/0x50
[  480.629292][T11128]  gsm_activate_mux+0xdc/0x268
[  480.630611][T11128]  gsmld_ioctl+0x16f0/0x2310
[  480.631801][T11128]  tty_ioctl+0x924/0xd8c
[  480.632892][T11128]  __arm64_sys_ioctl+0x14c/0x1c8
[  480.634239][T11128]  invoke_syscall+0x98/0x2b8
[  480.635492][T11128]  el0_svc_common+0x130/0x23c
[  480.636747][T11128]  do_el0_svc+0x48/0x58
[  480.637870][T11128]  el0_svc+0x58/0x16c
[  480.638939][T11128]  el0t_64_sync_handler+0x84/0xfc
[  480.640317][T11128]  el0t_64_sync+0x190/0x194
[  480.645837][T11128] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.843075][T11131] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.845312][T11131] CPU: 1 PID: 11131 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  480.848159][T11131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  480.850765][T11131] Call trace:
[  480.851640][T11131]  dump_backtrace+0x1b8/0x1e4
[  480.852952][T11131]  show_stack+0x2c/0x44
[  480.854114][T11131]  dump_stack_lvl+0xd0/0x124
[  480.855367][T11131]  dump_stack+0x1c/0x28
[  480.856476][T11131]  sysfs_create_dir_ns+0x278/0x318
[  480.857866][T11131]  kobject_add_internal+0x514/0xadc
[  480.859315][T11131]  kobject_add+0x14c/0x224
[  480.860520][T11131]  device_add+0x3a0/0xaac
[  480.861682][T11131]  device_register+0x28/0x38
[  480.862935][T11131]  tty_register_device_attr+0x3a4/0x7d4
[  480.864420][T11131]  tty_register_device+0x3c/0x50
[  480.865782][T11131]  gsm_activate_mux+0xdc/0x268
[  480.867109][T11131]  gsmld_ioctl+0x16f0/0x2310
[  480.868329][T11131]  tty_ioctl+0x924/0xd8c
[  480.869462][T11131]  __arm64_sys_ioctl+0x14c/0x1c8
[  480.870758][T11131]  invoke_syscall+0x98/0x2b8
[  480.871997][T11131]  el0_svc_common+0x130/0x23c
[  480.873317][T11131]  do_el0_svc+0x48/0x58
[  480.874445][T11131]  el0_svc+0x58/0x16c
[  480.875520][T11131]  el0t_64_sync_handler+0x84/0xfc
[  480.876877][T11131]  el0t_64_sync+0x190/0x194
[  480.879028][T11131] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.884214][T11131] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  480.886590][T11131] CPU: 1 PID: 11131 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  480.889316][T11131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  480.891890][T11131] Call trace:
[  480.892718][T11131]  dump_backtrace+0x1b8/0x1e4
[  480.893922][T11131]  show_stack+0x2c/0x44
[  480.894971][T11131]  dump_stack_lvl+0xd0/0x124
[  480.896281][T11131]  dump_stack+0x1c/0x28
[  480.897470][T11131]  sysfs_create_dir_ns+0x278/0x318
[  480.898799][T11131]  kobject_add_internal+0x514/0xadc
[  480.900213][T11131]  kobject_add+0x14c/0x224
[  480.901477][T11131]  device_add+0x3a0/0xaac
[  480.902713][T11131]  device_register+0x28/0x38
[  480.903996][T11131]  tty_register_device_attr+0x3a4/0x7d4
[  480.905498][T11131]  tty_register_device+0x3c/0x50
[  480.906866][T11131]  gsm_activate_mux+0xdc/0x268
[  480.908177][T11131]  gsmld_ioctl+0x16f0/0x2310
[  480.909413][T11131]  tty_ioctl+0x924/0xd8c
[  480.910536][T11131]  __arm64_sys_ioctl+0x14c/0x1c8
[  480.911923][T11131]  invoke_syscall+0x98/0x2b8
[  480.913128][T11131]  el0_svc_common+0x130/0x23c
[  480.914413][T11131]  do_el0_svc+0x48/0x58
[  480.915548][T11131]  el0_svc+0x58/0x16c
[  480.916650][T11131]  el0t_64_sync_handler+0x84/0xfc
[  480.917985][T11131]  el0t_64_sync+0x190/0x194
[  480.920240][T11131] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  481.271092][T11134] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  481.280236][T11134] CPU: 0 PID: 11134 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  481.283001][T11134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  481.285747][T11134] Call trace:
[  481.286623][T11134]  dump_backtrace+0x1b8/0x1e4
[  481.287869][T11134]  show_stack+0x2c/0x44
[  481.289069][T11134]  dump_stack_lvl+0xd0/0x124
[  481.290329][T11134]  dump_stack+0x1c/0x28
[  481.291505][T11134]  sysfs_create_dir_ns+0x278/0x318
[  481.292917][T11134]  kobject_add_internal+0x514/0xadc
[  481.294254][T11134]  kobject_add+0x14c/0x224
[  481.295500][T11134]  device_add+0x3a0/0xaac
[  481.296681][T11134]  device_register+0x28/0x38
[  481.297973][T11134]  tty_register_device_attr+0x3a4/0x7d4
[  481.299412][T11134]  tty_register_device+0x3c/0x50
[  481.300787][T11134]  gsm_activate_mux+0xdc/0x268
[  481.302103][T11134]  gsmld_ioctl+0x16f0/0x2310
[  481.303354][T11134]  tty_ioctl+0x924/0xd8c
[  481.304471][T11134]  __arm64_sys_ioctl+0x14c/0x1c8
[  481.305819][T11134]  invoke_syscall+0x98/0x2b8
[  481.307050][T11134]  el0_svc_common+0x130/0x23c
[  481.308275][T11134]  do_el0_svc+0x48/0x58
[  481.309391][T11134]  el0_svc+0x58/0x16c
[  481.310479][T11134]  el0t_64_sync_handler+0x84/0xfc
[  481.311804][T11134]  el0t_64_sync+0x190/0x194
[  481.320280][T11134] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  481.712206][T11137] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  481.714932][T11137] CPU: 1 PID: 11137 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  481.717736][T11137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  481.720419][T11137] Call trace:
[  481.721277][T11137]  dump_backtrace+0x1b8/0x1e4
[  481.722632][T11137]  show_stack+0x2c/0x44
[  481.723749][T11137]  dump_stack_lvl+0xd0/0x124
[  481.724940][T11137]  dump_stack+0x1c/0x28
[  481.726021][T11137]  sysfs_create_dir_ns+0x278/0x318
[  481.727413][T11137]  kobject_add_internal+0x514/0xadc
[  481.728830][T11137]  kobject_add+0x14c/0x224
[  481.730054][T11137]  device_add+0x3a0/0xaac
[  481.731185][T11137]  device_register+0x28/0x38
[  481.732412][T11137]  tty_register_device_attr+0x3a4/0x7d4
[  481.733901][T11137]  tty_register_device+0x3c/0x50
[  481.735184][T11137]  gsm_activate_mux+0xdc/0x268
[  481.736490][T11137]  gsmld_ioctl+0x16f0/0x2310
[  481.737745][T11137]  tty_ioctl+0x924/0xd8c
[  481.738896][T11137]  __arm64_sys_ioctl+0x14c/0x1c8
[  481.740201][T11137]  invoke_syscall+0x98/0x2b8
[  481.741397][T11137]  el0_svc_common+0x130/0x23c
[  481.742726][T11137]  do_el0_svc+0x48/0x58
[  481.743837][T11137]  el0_svc+0x58/0x16c
[  481.744932][T11137]  el0t_64_sync_handler+0x84/0xfc
[  481.746291][T11137]  el0t_64_sync+0x190/0x194
[  481.747977][T11137] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.013128][T11140] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.017638][T11140] CPU: 1 PID: 11140 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  482.020478][T11140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  482.023231][T11140] Call trace:
[  482.024115][T11140]  dump_backtrace+0x1b8/0x1e4
[  482.025404][T11140]  show_stack+0x2c/0x44
[  482.026556][T11140]  dump_stack_lvl+0xd0/0x124
[  482.027858][T11140]  dump_stack+0x1c/0x28
[  482.028967][T11140]  sysfs_create_dir_ns+0x278/0x318
[  482.030315][T11140]  kobject_add_internal+0x514/0xadc
[  482.031680][T11140]  kobject_add+0x14c/0x224
[  482.032916][T11140]  device_add+0x3a0/0xaac
[  482.034092][T11140]  device_register+0x28/0x38
[  482.035322][T11140]  tty_register_device_attr+0x3a4/0x7d4
[  482.036779][T11140]  tty_register_device+0x3c/0x50
[  482.038221][T11140]  gsm_activate_mux+0xdc/0x268
[  482.039499][T11140]  gsmld_ioctl+0x16f0/0x2310
[  482.040718][T11140]  tty_ioctl+0x924/0xd8c
[  482.041878][T11140]  __arm64_sys_ioctl+0x14c/0x1c8
[  482.043178][T11140]  invoke_syscall+0x98/0x2b8
[  482.044457][T11140]  el0_svc_common+0x130/0x23c
[  482.045696][T11140]  do_el0_svc+0x48/0x58
[  482.046805][T11140]  el0_svc+0x58/0x16c
[  482.047892][T11140]  el0t_64_sync_handler+0x84/0xfc
[  482.049257][T11140]  el0t_64_sync+0x190/0x194
[  482.056400][T11140] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.060885][T11140] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.065181][T11140] CPU: 1 PID: 11140 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  482.068083][T11140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  482.070809][T11140] Call trace:
[  482.071734][T11140]  dump_backtrace+0x1b8/0x1e4
[  482.073077][T11140]  show_stack+0x2c/0x44
[  482.074170][T11140]  dump_stack_lvl+0xd0/0x124
[  482.075373][T11140]  dump_stack+0x1c/0x28
[  482.076483][T11140]  sysfs_create_dir_ns+0x278/0x318
[  482.077896][T11140]  kobject_add_internal+0x514/0xadc
[  482.079311][T11140]  kobject_add+0x14c/0x224
[  482.080508][T11140]  device_add+0x3a0/0xaac
[  482.081697][T11140]  device_register+0x28/0x38
[  482.082974][T11140]  tty_register_device_attr+0x3a4/0x7d4
[  482.084628][T11140]  tty_register_device+0x3c/0x50
[  482.085945][T11140]  gsm_activate_mux+0xdc/0x268
[  482.087178][T11140]  gsmld_ioctl+0x16f0/0x2310
[  482.088425][T11140]  tty_ioctl+0x924/0xd8c
[  482.089620][T11140]  __arm64_sys_ioctl+0x14c/0x1c8
[  482.090980][T11140]  invoke_syscall+0x98/0x2b8
[  482.092228][T11140]  el0_svc_common+0x130/0x23c
[  482.093521][T11140]  do_el0_svc+0x48/0x58
[  482.094653][T11140]  el0_svc+0x58/0x16c
[  482.095726][T11140]  el0t_64_sync_handler+0x84/0xfc
[  482.097120][T11140]  el0t_64_sync+0x190/0x194
[  482.103343][T11140] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.273832][T11143] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.276537][T11143] CPU: 1 PID: 11143 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  482.279343][T11143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  482.282083][T11143] Call trace:
[  482.282948][T11143]  dump_backtrace+0x1b8/0x1e4
[  482.284206][T11143]  show_stack+0x2c/0x44
[  482.285350][T11143]  dump_stack_lvl+0xd0/0x124
[  482.286617][T11143]  dump_stack+0x1c/0x28
[  482.287761][T11143]  sysfs_create_dir_ns+0x278/0x318
[  482.289186][T11143]  kobject_add_internal+0x514/0xadc
[  482.290582][T11143]  kobject_add+0x14c/0x224
[  482.291829][T11143]  device_add+0x3a0/0xaac
[  482.293016][T11143]  device_register+0x28/0x38
[  482.294303][T11143]  tty_register_device_attr+0x3a4/0x7d4
[  482.295798][T11143]  tty_register_device+0x3c/0x50
[  482.297109][T11143]  gsm_activate_mux+0xdc/0x268
[  482.298387][T11143]  gsmld_ioctl+0x16f0/0x2310
[  482.299675][T11143]  tty_ioctl+0x924/0xd8c
[  482.300891][T11143]  __arm64_sys_ioctl+0x14c/0x1c8
[  482.302280][T11143]  invoke_syscall+0x98/0x2b8
[  482.303576][T11143]  el0_svc_common+0x130/0x23c
[  482.304826][T11143]  do_el0_svc+0x48/0x58
[  482.305904][T11143]  el0_svc+0x58/0x16c
[  482.306979][T11143]  el0t_64_sync_handler+0x84/0xfc
[  482.308342][T11143]  el0t_64_sync+0x190/0x194
[  482.322434][T11143] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.510130][T11146] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.512416][T11146] CPU: 1 PID: 11146 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  482.515357][T11146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  482.518078][T11146] Call trace:
[  482.519041][T11146]  dump_backtrace+0x1b8/0x1e4
[  482.520333][T11146]  show_stack+0x2c/0x44
[  482.521426][T11146]  dump_stack_lvl+0xd0/0x124
[  482.522704][T11146]  dump_stack+0x1c/0x28
[  482.523873][T11146]  sysfs_create_dir_ns+0x278/0x318
[  482.525300][T11146]  kobject_add_internal+0x514/0xadc
[  482.526749][T11146]  kobject_add+0x14c/0x224
[  482.527940][T11146]  device_add+0x3a0/0xaac
[  482.529140][T11146]  device_register+0x28/0x38
[  482.530344][T11146]  tty_register_device_attr+0x3a4/0x7d4
[  482.531878][T11146]  tty_register_device+0x3c/0x50
[  482.533278][T11146]  gsm_activate_mux+0xdc/0x268
[  482.534532][T11146]  gsmld_ioctl+0x16f0/0x2310
[  482.535790][T11146]  tty_ioctl+0x924/0xd8c
[  482.536946][T11146]  __arm64_sys_ioctl+0x14c/0x1c8
[  482.538281][T11146]  invoke_syscall+0x98/0x2b8
[  482.539546][T11146]  el0_svc_common+0x130/0x23c
[  482.540820][T11146]  do_el0_svc+0x48/0x58
[  482.541996][T11146]  el0_svc+0x58/0x16c
[  482.543072][T11146]  el0t_64_sync_handler+0x84/0xfc
[  482.544463][T11146]  el0t_64_sync+0x190/0x194
[  482.563012][T11146] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.568735][T11147] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.572957][T11147] CPU: 0 PID: 11147 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  482.575776][T11147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  482.578556][T11147] Call trace:
[  482.579424][T11147]  dump_backtrace+0x1b8/0x1e4
[  482.580712][T11147]  show_stack+0x2c/0x44
[  482.581902][T11147]  dump_stack_lvl+0xd0/0x124
[  482.583158][T11147]  dump_stack+0x1c/0x28
[  482.584243][T11147]  sysfs_create_dir_ns+0x278/0x318
[  482.585665][T11147]  kobject_add_internal+0x514/0xadc
[  482.587078][T11147]  kobject_add+0x14c/0x224
[  482.588270][T11147]  device_add+0x3a0/0xaac
[  482.589459][T11147]  device_register+0x28/0x38
[  482.590673][T11147]  tty_register_device_attr+0x3a4/0x7d4
[  482.592126][T11147]  tty_register_device+0x3c/0x50
[  482.593475][T11147]  gsm_activate_mux+0xdc/0x268
[  482.594762][T11147]  gsmld_ioctl+0x16f0/0x2310
[  482.596103][T11147]  tty_ioctl+0x924/0xd8c
[  482.597258][T11147]  __arm64_sys_ioctl+0x14c/0x1c8
[  482.598670][T11147]  invoke_syscall+0x98/0x2b8
[  482.599972][T11147]  el0_svc_common+0x130/0x23c
[  482.601226][T11147]  do_el0_svc+0x48/0x58
[  482.602362][T11147]  el0_svc+0x58/0x16c
[  482.603434][T11147]  el0t_64_sync_handler+0x84/0xfc
[  482.604761][T11147]  el0t_64_sync+0x190/0x194
[  482.613669][T11147] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.771525][T11150] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.773834][T11150] CPU: 1 PID: 11150 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  482.776591][T11150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  482.779239][T11150] Call trace:
[  482.780121][T11150]  dump_backtrace+0x1b8/0x1e4
[  482.781361][T11150]  show_stack+0x2c/0x44
[  482.782525][T11150]  dump_stack_lvl+0xd0/0x124
[  482.783739][T11150]  dump_stack+0x1c/0x28
[  482.784860][T11150]  sysfs_create_dir_ns+0x278/0x318
[  482.786245][T11150]  kobject_add_internal+0x514/0xadc
[  482.787693][T11150]  kobject_add+0x14c/0x224
[  482.788852][T11150]  device_add+0x3a0/0xaac
[  482.790006][T11150]  device_register+0x28/0x38
[  482.791252][T11150]  tty_register_device_attr+0x3a4/0x7d4
[  482.792807][T11150]  tty_register_device+0x3c/0x50
[  482.794121][T11150]  gsm_activate_mux+0xdc/0x268
[  482.795361][T11150]  gsmld_ioctl+0x16f0/0x2310
[  482.796599][T11150]  tty_ioctl+0x924/0xd8c
[  482.797837][T11150]  __arm64_sys_ioctl+0x14c/0x1c8
[  482.799219][T11150]  invoke_syscall+0x98/0x2b8
[  482.800452][T11150]  el0_svc_common+0x130/0x23c
[  482.801752][T11150]  do_el0_svc+0x48/0x58
[  482.802884][T11150]  el0_svc+0x58/0x16c
[  482.803994][T11150]  el0t_64_sync_handler+0x84/0xfc
[  482.805357][T11150]  el0t_64_sync+0x190/0x194
[  482.808173][T11150] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.819695][T11150] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  482.822019][T11150] CPU: 1 PID: 11150 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  482.824823][T11150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  482.827413][T11150] Call trace:
[  482.828292][T11150]  dump_backtrace+0x1b8/0x1e4
[  482.829585][T11150]  show_stack+0x2c/0x44
[  482.830715][T11150]  dump_stack_lvl+0xd0/0x124
[  482.831963][T11150]  dump_stack+0x1c/0x28
[  482.833087][T11150]  sysfs_create_dir_ns+0x278/0x318
[  482.834481][T11150]  kobject_add_internal+0x514/0xadc
[  482.835871][T11150]  kobject_add+0x14c/0x224
[  482.837102][T11150]  device_add+0x3a0/0xaac
[  482.838333][T11150]  device_register+0x28/0x38
[  482.839650][T11150]  tty_register_device_attr+0x3a4/0x7d4
[  482.841183][T11150]  tty_register_device+0x3c/0x50
[  482.842634][T11150]  gsm_activate_mux+0xdc/0x268
[  482.843957][T11150]  gsmld_ioctl+0x16f0/0x2310
[  482.845180][T11150]  tty_ioctl+0x924/0xd8c
[  482.846336][T11150]  __arm64_sys_ioctl+0x14c/0x1c8
[  482.847675][T11150]  invoke_syscall+0x98/0x2b8
[  482.848899][T11150]  el0_svc_common+0x130/0x23c
[  482.850166][T11150]  do_el0_svc+0x48/0x58
[  482.851361][T11150]  el0_svc+0x58/0x16c
[  482.852489][T11150]  el0t_64_sync_handler+0x84/0xfc
[  482.853856][T11150]  el0t_64_sync+0x190/0x194
[  482.859007][T11150] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.044096][T11153] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  483.047399][T11153] CPU: 1 PID: 11153 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  483.050305][T11153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  483.052974][T11153] Call trace:
[  483.053878][T11153]  dump_backtrace+0x1b8/0x1e4
[  483.055132][T11153]  show_stack+0x2c/0x44
[  483.056239][T11153]  dump_stack_lvl+0xd0/0x124
[  483.057508][T11153]  dump_stack+0x1c/0x28
[  483.058656][T11153]  sysfs_create_dir_ns+0x278/0x318
[  483.060025][T11153]  kobject_add_internal+0x514/0xadc
[  483.061444][T11153]  kobject_add+0x14c/0x224
[  483.062633][T11153]  device_add+0x3a0/0xaac
[  483.063853][T11153]  device_register+0x28/0x38
[  483.065111][T11153]  tty_register_device_attr+0x3a4/0x7d4
[  483.066616][T11153]  tty_register_device+0x3c/0x50
[  483.067960][T11153]  gsm_activate_mux+0xdc/0x268
[  483.069286][T11153]  gsmld_ioctl+0x16f0/0x2310
[  483.070591][T11153]  tty_ioctl+0x924/0xd8c
[  483.071719][T11153]  __arm64_sys_ioctl+0x14c/0x1c8
[  483.073083][T11153]  invoke_syscall+0x98/0x2b8
[  483.074352][T11153]  el0_svc_common+0x130/0x23c
[  483.075734][T11153]  do_el0_svc+0x48/0x58
[  483.076850][T11153]  el0_svc+0x58/0x16c
[  483.077977][T11153]  el0t_64_sync_handler+0x84/0xfc
[  483.079329][T11153]  el0t_64_sync+0x190/0x194
[  483.089307][T11153] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.093223][T11153] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  483.095474][T11153] CPU: 1 PID: 11153 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  483.098303][T11153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  483.101014][T11153] Call trace:
[  483.101881][T11153]  dump_backtrace+0x1b8/0x1e4
[  483.103150][T11153]  show_stack+0x2c/0x44
[  483.104250][T11153]  dump_stack_lvl+0xd0/0x124
[  483.105447][T11153]  dump_stack+0x1c/0x28
[  483.106556][T11153]  sysfs_create_dir_ns+0x278/0x318
[  483.107994][T11153]  kobject_add_internal+0x514/0xadc
[  483.109429][T11153]  kobject_add+0x14c/0x224
[  483.110636][T11153]  device_add+0x3a0/0xaac
[  483.111778][T11153]  device_register+0x28/0x38
[  483.112994][T11153]  tty_register_device_attr+0x3a4/0x7d4
[  483.114414][T11153]  tty_register_device+0x3c/0x50
[  483.115762][T11153]  gsm_activate_mux+0xdc/0x268
[  483.117028][T11153]  gsmld_ioctl+0x16f0/0x2310
[  483.118245][T11153]  tty_ioctl+0x924/0xd8c
[  483.119367][T11153]  __arm64_sys_ioctl+0x14c/0x1c8
[  483.120723][T11153]  invoke_syscall+0x98/0x2b8
[  483.121956][T11153]  el0_svc_common+0x130/0x23c
[  483.123242][T11153]  do_el0_svc+0x48/0x58
[  483.124369][T11153]  el0_svc+0x58/0x16c
[  483.125468][T11153]  el0t_64_sync_handler+0x84/0xfc
[  483.126824][T11153]  el0t_64_sync+0x190/0x194
[  483.133087][T11153] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.299480][T11156] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  483.303087][T11156] CPU: 1 PID: 11156 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  483.305906][T11156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  483.308558][T11156] Call trace:
[  483.309488][T11156]  dump_backtrace+0x1b8/0x1e4
[  483.310785][T11156]  show_stack+0x2c/0x44
[  483.311844][T11156]  dump_stack_lvl+0xd0/0x124
[  483.313104][T11156]  dump_stack+0x1c/0x28
[  483.314218][T11156]  sysfs_create_dir_ns+0x278/0x318
[  483.315604][T11156]  kobject_add_internal+0x514/0xadc
[  483.316997][T11156]  kobject_add+0x14c/0x224
[  483.318193][T11156]  device_add+0x3a0/0xaac
[  483.319383][T11156]  device_register+0x28/0x38
[  483.320652][T11156]  tty_register_device_attr+0x3a4/0x7d4
[  483.322180][T11156]  tty_register_device+0x3c/0x50
[  483.323588][T11156]  gsm_activate_mux+0xdc/0x268
[  483.324909][T11156]  gsmld_ioctl+0x16f0/0x2310
[  483.326160][T11156]  tty_ioctl+0x924/0xd8c
[  483.327298][T11156]  __arm64_sys_ioctl+0x14c/0x1c8
[  483.328667][T11156]  invoke_syscall+0x98/0x2b8
[  483.329909][T11156]  el0_svc_common+0x130/0x23c
[  483.331192][T11156]  do_el0_svc+0x48/0x58
[  483.332320][T11156]  el0_svc+0x58/0x16c
[  483.333432][T11156]  el0t_64_sync_handler+0x84/0xfc
[  483.334856][T11156]  el0t_64_sync+0x190/0x194
[  483.348675][T11156] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.533017][T11159] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  483.535326][T11159] CPU: 1 PID: 11159 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  483.538175][T11159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  483.540865][T11159] Call trace:
[  483.541756][T11159]  dump_backtrace+0x1b8/0x1e4
[  483.543051][T11159]  show_stack+0x2c/0x44
[  483.544190][T11159]  dump_stack_lvl+0xd0/0x124
[  483.545425][T11159]  dump_stack+0x1c/0x28
[  483.546593][T11159]  sysfs_create_dir_ns+0x278/0x318
[  483.548002][T11159]  kobject_add_internal+0x514/0xadc
[  483.549420][T11159]  kobject_add+0x14c/0x224
[  483.550610][T11159]  device_add+0x3a0/0xaac
[  483.551800][T11159]  device_register+0x28/0x38
[  483.553070][T11159]  tty_register_device_attr+0x3a4/0x7d4
[  483.554533][T11159]  tty_register_device+0x3c/0x50
[  483.555885][T11159]  gsm_activate_mux+0xdc/0x268
[  483.557203][T11159]  gsmld_ioctl+0x16f0/0x2310
[  483.558419][T11159]  tty_ioctl+0x924/0xd8c
[  483.559600][T11159]  __arm64_sys_ioctl+0x14c/0x1c8
[  483.560925][T11159]  invoke_syscall+0x98/0x2b8
[  483.562161][T11159]  el0_svc_common+0x130/0x23c
[  483.563409][T11159]  do_el0_svc+0x48/0x58
[  483.564551][T11159]  el0_svc+0x58/0x16c
[  483.565688][T11159]  el0t_64_sync_handler+0x84/0xfc
[  483.567105][T11159]  el0t_64_sync+0x190/0x194
[  483.573871][T11159] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.784955][T11162] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  483.790673][T11162] CPU: 0 PID: 11162 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  483.793405][T11162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  483.796020][T11162] Call trace:
[  483.796906][T11162]  dump_backtrace+0x1b8/0x1e4
[  483.798236][T11162]  show_stack+0x2c/0x44
[  483.799339][T11162]  dump_stack_lvl+0xd0/0x124
[  483.800587][T11162]  dump_stack+0x1c/0x28
[  483.801692][T11162]  sysfs_create_dir_ns+0x278/0x318
[  483.803049][T11162]  kobject_add_internal+0x514/0xadc
[  483.804487][T11162]  kobject_add+0x14c/0x224
[  483.805748][T11162]  device_add+0x3a0/0xaac
[  483.806913][T11162]  device_register+0x28/0x38
[  483.808147][T11162]  tty_register_device_attr+0x3a4/0x7d4
[  483.809621][T11162]  tty_register_device+0x3c/0x50
[  483.811003][T11162]  gsm_activate_mux+0xdc/0x268
[  483.812265][T11162]  gsmld_ioctl+0x16f0/0x2310
[  483.813530][T11162]  tty_ioctl+0x924/0xd8c
[  483.814696][T11162]  __arm64_sys_ioctl+0x14c/0x1c8
[  483.816049][T11162]  invoke_syscall+0x98/0x2b8
[  483.817224][T11162]  el0_svc_common+0x130/0x23c
[  483.818470][T11162]  do_el0_svc+0x48/0x58
[  483.819631][T11162]  el0_svc+0x58/0x16c
[  483.820718][T11162]  el0t_64_sync_handler+0x84/0xfc
[  483.822109][T11162]  el0t_64_sync+0x190/0x194
[  483.831712][T11162] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.026322][T11165] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  484.028613][T11165] CPU: 1 PID: 11165 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  484.031364][T11165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  484.034016][T11165] Call trace:
[  484.034867][T11165]  dump_backtrace+0x1b8/0x1e4
[  484.036124][T11165]  show_stack+0x2c/0x44
[  484.037281][T11165]  dump_stack_lvl+0xd0/0x124
[  484.038571][T11165]  dump_stack+0x1c/0x28
[  484.039696][T11165]  sysfs_create_dir_ns+0x278/0x318
[  484.041066][T11165]  kobject_add_internal+0x514/0xadc
[  484.042497][T11165]  kobject_add+0x14c/0x224
[  484.043711][T11165]  device_add+0x3a0/0xaac
[  484.044929][T11165]  device_register+0x28/0x38
[  484.046161][T11165]  tty_register_device_attr+0x3a4/0x7d4
[  484.047658][T11165]  tty_register_device+0x3c/0x50
[  484.049001][T11165]  gsm_activate_mux+0xdc/0x268
[  484.050291][T11165]  gsmld_ioctl+0x16f0/0x2310
[  484.051516][T11165]  tty_ioctl+0x924/0xd8c
[  484.052760][T11165]  __arm64_sys_ioctl+0x14c/0x1c8
[  484.054124][T11165]  invoke_syscall+0x98/0x2b8
[  484.055386][T11165]  el0_svc_common+0x130/0x23c
[  484.056676][T11165]  do_el0_svc+0x48/0x58
[  484.057798][T11165]  el0_svc+0x58/0x16c
[  484.058839][T11165]  el0t_64_sync_handler+0x84/0xfc
[  484.060253][T11165]  el0t_64_sync+0x190/0x194
[  484.068688][T11165] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.074185][T11165] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  484.079398][T11165] CPU: 1 PID: 11165 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  484.082343][T11165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  484.085080][T11165] Call trace:
[  484.085936][T11165]  dump_backtrace+0x1b8/0x1e4
[  484.087211][T11165]  show_stack+0x2c/0x44
[  484.088334][T11165]  dump_stack_lvl+0xd0/0x124
[  484.089585][T11165]  dump_stack+0x1c/0x28
[  484.090765][T11165]  sysfs_create_dir_ns+0x278/0x318
[  484.092132][T11165]  kobject_add_internal+0x514/0xadc
[  484.093581][T11165]  kobject_add+0x14c/0x224
[  484.094766][T11165]  device_add+0x3a0/0xaac
[  484.095955][T11165]  device_register+0x28/0x38
[  484.097170][T11165]  tty_register_device_attr+0x3a4/0x7d4
[  484.098713][T11165]  tty_register_device+0x3c/0x50
[  484.100035][T11165]  gsm_activate_mux+0xdc/0x268
[  484.101347][T11165]  gsmld_ioctl+0x16f0/0x2310
[  484.102646][T11165]  tty_ioctl+0x924/0xd8c
[  484.103869][T11165]  __arm64_sys_ioctl+0x14c/0x1c8
[  484.105195][T11165]  invoke_syscall+0x98/0x2b8
[  484.106372][T11165]  el0_svc_common+0x130/0x23c
[  484.107675][T11165]  do_el0_svc+0x48/0x58
[  484.108785][T11165]  el0_svc+0x58/0x16c
[  484.109880][T11165]  el0t_64_sync_handler+0x84/0xfc
[  484.111266][T11165]  el0t_64_sync+0x190/0x194
[  484.112964][T11165] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.281946][T11168] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  484.284203][T11168] CPU: 0 PID: 11168 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  484.287018][T11168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  484.289801][T11168] Call trace:
[  484.290696][T11168]  dump_backtrace+0x1b8/0x1e4
[  484.291941][T11168]  show_stack+0x2c/0x44
[  484.293107][T11168]  dump_stack_lvl+0xd0/0x124
[  484.294294][T11168]  dump_stack+0x1c/0x28
[  484.295462][T11168]  sysfs_create_dir_ns+0x278/0x318
[  484.296932][T11168]  kobject_add_internal+0x514/0xadc
[  484.298372][T11168]  kobject_add+0x14c/0x224
[  484.299642][T11168]  device_add+0x3a0/0xaac
[  484.300867][T11168]  device_register+0x28/0x38
[  484.302105][T11168]  tty_register_device_attr+0x3a4/0x7d4
[  484.303627][T11168]  tty_register_device+0x3c/0x50
[  484.305027][T11168]  gsm_activate_mux+0xdc/0x268
[  484.306265][T11168]  gsmld_ioctl+0x16f0/0x2310
[  484.307508][T11168]  tty_ioctl+0x924/0xd8c
[  484.308626][T11168]  __arm64_sys_ioctl+0x14c/0x1c8
[  484.309920][T11168]  invoke_syscall+0x98/0x2b8
[  484.311142][T11168]  el0_svc_common+0x130/0x23c
[  484.312366][T11168]  do_el0_svc+0x48/0x58
[  484.313550][T11168]  el0_svc+0x58/0x16c
[  484.314580][T11168]  el0t_64_sync_handler+0x84/0xfc
[  484.315927][T11168]  el0t_64_sync+0x190/0x194
[  484.321578][T11168] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.326648][T11168] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  484.328874][T11168] CPU: 0 PID: 11168 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  484.331635][T11168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  484.334318][T11168] Call trace:
[  484.335151][T11168]  dump_backtrace+0x1b8/0x1e4
[  484.336401][T11168]  show_stack+0x2c/0x44
[  484.337519][T11168]  dump_stack_lvl+0xd0/0x124
[  484.338802][T11168]  dump_stack+0x1c/0x28
[  484.339897][T11168]  sysfs_create_dir_ns+0x278/0x318
[  484.341288][T11168]  kobject_add_internal+0x514/0xadc
[  484.342641][T11168]  kobject_add+0x14c/0x224
[  484.343820][T11168]  device_add+0x3a0/0xaac
[  484.345003][T11168]  device_register+0x28/0x38
[  484.346194][T11168]  tty_register_device_attr+0x3a4/0x7d4
[  484.347715][T11168]  tty_register_device+0x3c/0x50
[  484.349025][T11168]  gsm_activate_mux+0xdc/0x268
[  484.350295][T11168]  gsmld_ioctl+0x16f0/0x2310
[  484.351521][T11168]  tty_ioctl+0x924/0xd8c
[  484.352651][T11168]  __arm64_sys_ioctl+0x14c/0x1c8
[  484.354004][T11168]  invoke_syscall+0x98/0x2b8
[  484.355253][T11168]  el0_svc_common+0x130/0x23c
[  484.356506][T11168]  do_el0_svc+0x48/0x58
[  484.357593][T11168]  el0_svc+0x58/0x16c
[  484.358617][T11168]  el0t_64_sync_handler+0x84/0xfc
[  484.359979][T11168]  el0t_64_sync+0x190/0x194
[  484.362031][T11168] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.719368][T11171] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  484.722742][T11171] CPU: 1 PID: 11171 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  484.725764][T11171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  484.728466][T11171] Call trace:
[  484.729325][T11171]  dump_backtrace+0x1b8/0x1e4
[  484.730629][T11171]  show_stack+0x2c/0x44
[  484.731784][T11171]  dump_stack_lvl+0xd0/0x124
[  484.733022][T11171]  dump_stack+0x1c/0x28
[  484.734138][T11171]  sysfs_create_dir_ns+0x278/0x318
[  484.735520][T11171]  kobject_add_internal+0x514/0xadc
[  484.736918][T11171]  kobject_add+0x14c/0x224
[  484.738117][T11171]  device_add+0x3a0/0xaac
[  484.739255][T11171]  device_register+0x28/0x38
[  484.740438][T11171]  tty_register_device_attr+0x3a4/0x7d4
[  484.742071][T11171]  tty_register_device+0x3c/0x50
[  484.743400][T11171]  gsm_activate_mux+0xdc/0x268
[  484.744687][T11171]  gsmld_ioctl+0x16f0/0x2310
[  484.745949][T11171]  tty_ioctl+0x924/0xd8c
[  484.747078][T11171]  __arm64_sys_ioctl+0x14c/0x1c8
[  484.748439][T11171]  invoke_syscall+0x98/0x2b8
[  484.749708][T11171]  el0_svc_common+0x130/0x23c
[  484.750946][T11171]  do_el0_svc+0x48/0x58
[  484.752067][T11171]  el0_svc+0x58/0x16c
[  484.753134][T11171]  el0t_64_sync_handler+0x84/0xfc
[  484.754541][T11171]  el0t_64_sync+0x190/0x194
[  484.770054][T11171] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.017945][T11174] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.020268][T11174] CPU: 0 PID: 11174 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  485.023042][T11174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  485.025748][T11174] Call trace:
[  485.026682][T11174]  dump_backtrace+0x1b8/0x1e4
[  485.027928][T11174]  show_stack+0x2c/0x44
[  485.029079][T11174]  dump_stack_lvl+0xd0/0x124
[  485.030309][T11174]  dump_stack+0x1c/0x28
[  485.031428][T11174]  sysfs_create_dir_ns+0x278/0x318
[  485.032855][T11174]  kobject_add_internal+0x514/0xadc
[  485.034253][T11174]  kobject_add+0x14c/0x224
[  485.035467][T11174]  device_add+0x3a0/0xaac
[  485.036644][T11174]  device_register+0x28/0x38
[  485.037907][T11174]  tty_register_device_attr+0x3a4/0x7d4
[  485.039380][T11174]  tty_register_device+0x3c/0x50
[  485.040749][T11174]  gsm_activate_mux+0xdc/0x268
[  485.042023][T11174]  gsmld_ioctl+0x16f0/0x2310
[  485.043255][T11174]  tty_ioctl+0x924/0xd8c
[  485.044436][T11174]  __arm64_sys_ioctl+0x14c/0x1c8
[  485.045802][T11174]  invoke_syscall+0x98/0x2b8
[  485.047144][T11174]  el0_svc_common+0x130/0x23c
[  485.048448][T11174]  do_el0_svc+0x48/0x58
[  485.049553][T11174]  el0_svc+0x58/0x16c
[  485.050600][T11174]  el0t_64_sync_handler+0x84/0xfc
[  485.051967][T11174]  el0t_64_sync+0x190/0x194
[  485.058103][T11174] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.062180][T11174] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.064792][T11174] CPU: 0 PID: 11174 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  485.067614][T11174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  485.070326][T11174] Call trace:
[  485.071202][T11174]  dump_backtrace+0x1b8/0x1e4
[  485.072471][T11174]  show_stack+0x2c/0x44
[  485.073524][T11174]  dump_stack_lvl+0xd0/0x124
[  485.074755][T11174]  dump_stack+0x1c/0x28
[  485.075831][T11174]  sysfs_create_dir_ns+0x278/0x318
[  485.077218][T11174]  kobject_add_internal+0x514/0xadc
[  485.078614][T11174]  kobject_add+0x14c/0x224
[  485.079784][T11174]  device_add+0x3a0/0xaac
[  485.080903][T11174]  device_register+0x28/0x38
[  485.082097][T11174]  tty_register_device_attr+0x3a4/0x7d4
[  485.083587][T11174]  tty_register_device+0x3c/0x50
[  485.084891][T11174]  gsm_activate_mux+0xdc/0x268
[  485.086151][T11174]  gsmld_ioctl+0x16f0/0x2310
[  485.087350][T11174]  tty_ioctl+0x924/0xd8c
[  485.088494][T11174]  __arm64_sys_ioctl+0x14c/0x1c8
[  485.089835][T11174]  invoke_syscall+0x98/0x2b8
[  485.091053][T11174]  el0_svc_common+0x130/0x23c
[  485.092344][T11174]  do_el0_svc+0x48/0x58
[  485.093406][T11174]  el0_svc+0x58/0x16c
[  485.094495][T11174]  el0t_64_sync_handler+0x84/0xfc
[  485.095897][T11174]  el0t_64_sync+0x190/0x194
[  485.103699][T11174] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.277785][T11177] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.280013][T11177] CPU: 0 PID: 11177 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  485.282764][T11177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  485.285480][T11177] Call trace:
[  485.286397][T11177]  dump_backtrace+0x1b8/0x1e4
[  485.287677][T11177]  show_stack+0x2c/0x44
[  485.288793][T11177]  dump_stack_lvl+0xd0/0x124
[  485.290029][T11177]  dump_stack+0x1c/0x28
[  485.291123][T11177]  sysfs_create_dir_ns+0x278/0x318
[  485.292479][T11177]  kobject_add_internal+0x514/0xadc
[  485.293943][T11177]  kobject_add+0x14c/0x224
[  485.295158][T11177]  device_add+0x3a0/0xaac
[  485.296350][T11177]  device_register+0x28/0x38
[  485.297590][T11177]  tty_register_device_attr+0x3a4/0x7d4
[  485.299108][T11177]  tty_register_device+0x3c/0x50
[  485.300439][T11177]  gsm_activate_mux+0xdc/0x268
[  485.301725][T11177]  gsmld_ioctl+0x16f0/0x2310
[  485.302929][T11177]  tty_ioctl+0x924/0xd8c
[  485.304018][T11177]  __arm64_sys_ioctl+0x14c/0x1c8
[  485.305299][T11177]  invoke_syscall+0x98/0x2b8
[  485.306525][T11177]  el0_svc_common+0x130/0x23c
[  485.307835][T11177]  do_el0_svc+0x48/0x58
[  485.308939][T11177]  el0_svc+0x58/0x16c
[  485.310029][T11177]  el0t_64_sync_handler+0x84/0xfc
[  485.311385][T11177]  el0t_64_sync+0x190/0x194
[  485.315528][T11177] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.322163][T11177] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.324482][T11177] CPU: 0 PID: 11177 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  485.327263][T11177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  485.329904][T11177] Call trace:
[  485.330809][T11177]  dump_backtrace+0x1b8/0x1e4
[  485.332027][T11177]  show_stack+0x2c/0x44
[  485.333134][T11177]  dump_stack_lvl+0xd0/0x124
[  485.334342][T11177]  dump_stack+0x1c/0x28
[  485.335465][T11177]  sysfs_create_dir_ns+0x278/0x318
[  485.336871][T11177]  kobject_add_internal+0x514/0xadc
[  485.338257][T11177]  kobject_add+0x14c/0x224
[  485.339431][T11177]  device_add+0x3a0/0xaac
[  485.340557][T11177]  device_register+0x28/0x38
[  485.341799][T11177]  tty_register_device_attr+0x3a4/0x7d4
[  485.343286][T11177]  tty_register_device+0x3c/0x50
[  485.344619][T11177]  gsm_activate_mux+0xdc/0x268
[  485.345922][T11177]  gsmld_ioctl+0x16f0/0x2310
[  485.347145][T11177]  tty_ioctl+0x924/0xd8c
[  485.348297][T11177]  __arm64_sys_ioctl+0x14c/0x1c8
[  485.349677][T11177]  invoke_syscall+0x98/0x2b8
[  485.350918][T11177]  el0_svc_common+0x130/0x23c
[  485.352113][T11177]  do_el0_svc+0x48/0x58
[  485.353241][T11177]  el0_svc+0x58/0x16c
[  485.354261][T11177]  el0t_64_sync_handler+0x84/0xfc
[  485.355584][T11177]  el0t_64_sync+0x190/0x194
[  485.363757][T11177] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.551303][T11180] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.553680][T11180] CPU: 1 PID: 11180 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  485.556435][T11180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  485.559110][T11180] Call trace:
[  485.559977][T11180]  dump_backtrace+0x1b8/0x1e4
[  485.561198][T11180]  show_stack+0x2c/0x44
[  485.562286][T11180]  dump_stack_lvl+0xd0/0x124
[  485.563536][T11180]  dump_stack+0x1c/0x28
[  485.564682][T11180]  sysfs_create_dir_ns+0x278/0x318
[  485.566109][T11180]  kobject_add_internal+0x514/0xadc
[  485.567539][T11180]  kobject_add+0x14c/0x224
[  485.568681][T11180]  device_add+0x3a0/0xaac
[  485.569850][T11180]  device_register+0x28/0x38
[  485.571099][T11180]  tty_register_device_attr+0x3a4/0x7d4
[  485.572595][T11180]  tty_register_device+0x3c/0x50
[  485.573892][T11180]  gsm_activate_mux+0xdc/0x268
[  485.575199][T11180]  gsmld_ioctl+0x16f0/0x2310
[  485.576462][T11180]  tty_ioctl+0x924/0xd8c
[  485.577532][T11180]  __arm64_sys_ioctl+0x14c/0x1c8
[  485.578887][T11180]  invoke_syscall+0x98/0x2b8
[  485.580138][T11180]  el0_svc_common+0x130/0x23c
[  485.581363][T11180]  do_el0_svc+0x48/0x58
[  485.582485][T11180]  el0_svc+0x58/0x16c
[  485.583550][T11180]  el0t_64_sync_handler+0x84/0xfc
[  485.584908][T11180]  el0t_64_sync+0x190/0x194
[  485.596360][T11180] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.949203][T11183] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  485.951476][T11183] CPU: 1 PID: 11183 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  485.954317][T11183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  485.957104][T11183] Call trace:
[  485.958022][T11183]  dump_backtrace+0x1b8/0x1e4
[  485.959281][T11183]  show_stack+0x2c/0x44
[  485.960435][T11183]  dump_stack_lvl+0xd0/0x124
[  485.961698][T11183]  dump_stack+0x1c/0x28
[  485.962830][T11183]  sysfs_create_dir_ns+0x278/0x318
[  485.964263][T11183]  kobject_add_internal+0x514/0xadc
[  485.965685][T11183]  kobject_add+0x14c/0x224
[  485.966895][T11183]  device_add+0x3a0/0xaac
[  485.968098][T11183]  device_register+0x28/0x38
[  485.969290][T11183]  tty_register_device_attr+0x3a4/0x7d4
[  485.970738][T11183]  tty_register_device+0x3c/0x50
[  485.972098][T11183]  gsm_activate_mux+0xdc/0x268
[  485.973357][T11183]  gsmld_ioctl+0x16f0/0x2310
[  485.974527][T11183]  tty_ioctl+0x924/0xd8c
[  485.975634][T11183]  __arm64_sys_ioctl+0x14c/0x1c8
[  485.976906][T11183]  invoke_syscall+0x98/0x2b8
[  485.978119][T11183]  el0_svc_common+0x130/0x23c
[  485.979376][T11183]  do_el0_svc+0x48/0x58
[  485.980504][T11183]  el0_svc+0x58/0x16c
[  485.981589][T11183]  el0t_64_sync_handler+0x84/0xfc
[  485.982988][T11183]  el0t_64_sync+0x190/0x194
[  485.989089][T11183] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.249885][T11186] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  486.252143][T11186] CPU: 1 PID: 11186 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  486.254815][T11186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  486.257509][T11186] Call trace:
[  486.258391][T11186]  dump_backtrace+0x1b8/0x1e4
[  486.259687][T11186]  show_stack+0x2c/0x44
[  486.260862][T11186]  dump_stack_lvl+0xd0/0x124
[  486.262047][T11186]  dump_stack+0x1c/0x28
[  486.263182][T11186]  sysfs_create_dir_ns+0x278/0x318
[  486.264502][T11186]  kobject_add_internal+0x514/0xadc
[  486.265879][T11186]  kobject_add+0x14c/0x224
[  486.267078][T11186]  device_add+0x3a0/0xaac
[  486.268255][T11186]  device_register+0x28/0x38
[  486.269487][T11186]  tty_register_device_attr+0x3a4/0x7d4
[  486.270983][T11186]  tty_register_device+0x3c/0x50
[  486.272310][T11186]  gsm_activate_mux+0xdc/0x268
[  486.273598][T11186]  gsmld_ioctl+0x16f0/0x2310
[  486.274863][T11186]  tty_ioctl+0x924/0xd8c
[  486.275995][T11186]  __arm64_sys_ioctl+0x14c/0x1c8
[  486.277264][T11186]  invoke_syscall+0x98/0x2b8
[  486.278499][T11186]  el0_svc_common+0x130/0x23c
[  486.279742][T11186]  do_el0_svc+0x48/0x58
[  486.280829][T11186]  el0_svc+0x58/0x16c
[  486.281872][T11186]  el0t_64_sync_handler+0x84/0xfc
[  486.283232][T11186]  el0t_64_sync+0x190/0x194
[  486.289006][T11186] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.496483][T11190] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  486.501450][T11190] CPU: 1 PID: 11190 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  486.504224][T11190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  486.506929][T11190] Call trace:
[  486.507800][T11190]  dump_backtrace+0x1b8/0x1e4
[  486.509109][T11190]  show_stack+0x2c/0x44
[  486.510262][T11190]  dump_stack_lvl+0xd0/0x124
[  486.511495][T11190]  dump_stack+0x1c/0x28
[  486.512581][T11190]  sysfs_create_dir_ns+0x278/0x318
[  486.513956][T11190]  kobject_add_internal+0x514/0xadc
[  486.515366][T11190]  kobject_add+0x14c/0x224
[  486.516546][T11190]  device_add+0x3a0/0xaac
[  486.517738][T11190]  device_register+0x28/0x38
[  486.519004][T11190]  tty_register_device_attr+0x3a4/0x7d4
[  486.520450][T11190]  tty_register_device+0x3c/0x50
[  486.521854][T11190]  gsm_activate_mux+0xdc/0x268
[  486.523124][T11190]  gsmld_ioctl+0x16f0/0x2310
[  486.524453][T11190]  tty_ioctl+0x924/0xd8c
[  486.525579][T11190]  __arm64_sys_ioctl+0x14c/0x1c8
[  486.526932][T11190]  invoke_syscall+0x98/0x2b8
[  486.528196][T11190]  el0_svc_common+0x130/0x23c
[  486.529468][T11190]  do_el0_svc+0x48/0x58
[  486.530644][T11190]  el0_svc+0x58/0x16c
[  486.531713][T11190]  el0t_64_sync_handler+0x84/0xfc
[  486.533048][T11190]  el0t_64_sync+0x190/0x194
[  486.539171][T11190] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.543657][T11190] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  486.547729][T11190] CPU: 1 PID: 11190 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  486.550630][T11190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  486.553331][T11190] Call trace:
[  486.554215][T11190]  dump_backtrace+0x1b8/0x1e4
[  486.555640][T11190]  show_stack+0x2c/0x44
[  486.556780][T11190]  dump_stack_lvl+0xd0/0x124
[  486.557984][T11190]  dump_stack+0x1c/0x28
[  486.559082][T11190]  sysfs_create_dir_ns+0x278/0x318
[  486.560482][T11190]  kobject_add_internal+0x514/0xadc
[  486.561912][T11190]  kobject_add+0x14c/0x224
[  486.563085][T11190]  device_add+0x3a0/0xaac
[  486.564291][T11190]  device_register+0x28/0x38
[  486.565582][T11190]  tty_register_device_attr+0x3a4/0x7d4
[  486.567145][T11190]  tty_register_device+0x3c/0x50
[  486.568525][T11190]  gsm_activate_mux+0xdc/0x268
[  486.569871][T11190]  gsmld_ioctl+0x16f0/0x2310
[  486.571133][T11190]  tty_ioctl+0x924/0xd8c
[  486.572291][T11190]  __arm64_sys_ioctl+0x14c/0x1c8
[  486.573659][T11190]  invoke_syscall+0x98/0x2b8
[  486.574942][T11190]  el0_svc_common+0x130/0x23c
[  486.576229][T11190]  do_el0_svc+0x48/0x58
[  486.577414][T11190]  el0_svc+0x58/0x16c
[  486.578436][T11190]  el0t_64_sync_handler+0x84/0xfc
[  486.579815][T11190]  el0t_64_sync+0x190/0x194
[  486.585433][T11190] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.917086][T11193] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  486.919479][T11193] CPU: 1 PID: 11193 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  486.922306][T11193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  486.924982][T11193] Call trace:
[  486.925870][T11193]  dump_backtrace+0x1b8/0x1e4
[  486.927144][T11193]  show_stack+0x2c/0x44
[  486.928283][T11193]  dump_stack_lvl+0xd0/0x124
[  486.929544][T11193]  dump_stack+0x1c/0x28
[  486.930746][T11193]  sysfs_create_dir_ns+0x278/0x318
[  486.932213][T11193]  kobject_add_internal+0x514/0xadc
[  486.933606][T11193]  kobject_add+0x14c/0x224
[  486.934813][T11193]  device_add+0x3a0/0xaac
[  486.935979][T11193]  device_register+0x28/0x38
[  486.937256][T11193]  tty_register_device_attr+0x3a4/0x7d4
[  486.938814][T11193]  tty_register_device+0x3c/0x50
[  486.940205][T11193]  gsm_activate_mux+0xdc/0x268
[  486.941482][T11193]  gsmld_ioctl+0x16f0/0x2310
[  486.942816][T11193]  tty_ioctl+0x924/0xd8c
[  486.944032][T11193]  __arm64_sys_ioctl+0x14c/0x1c8
[  486.945380][T11193]  invoke_syscall+0x98/0x2b8
[  486.946641][T11193]  el0_svc_common+0x130/0x23c
[  486.947942][T11193]  do_el0_svc+0x48/0x58
[  486.949079][T11193]  el0_svc+0x58/0x16c
[  486.950189][T11193]  el0t_64_sync_handler+0x84/0xfc
[  486.951600][T11193]  el0t_64_sync+0x190/0x194
[  486.970856][T11193] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  487.370972][T11197] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  487.376968][T11197] CPU: 1 PID: 11197 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  487.379829][T11197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  487.382427][T11197] Call trace:
[  487.383262][T11197]  dump_backtrace+0x1b8/0x1e4
[  487.384473][T11197]  show_stack+0x2c/0x44
[  487.385592][T11197]  dump_stack_lvl+0xd0/0x124
[  487.386796][T11197]  dump_stack+0x1c/0x28
[  487.387922][T11197]  sysfs_create_dir_ns+0x278/0x318
[  487.389261][T11197]  kobject_add_internal+0x514/0xadc
[  487.390710][T11197]  kobject_add+0x14c/0x224
[  487.391866][T11197]  device_add+0x3a0/0xaac
[  487.393043][T11197]  device_register+0x28/0x38
[  487.394355][T11197]  tty_register_device_attr+0x3a4/0x7d4
[  487.395865][T11197]  tty_register_device+0x3c/0x50
[  487.397167][T11197]  gsm_activate_mux+0xdc/0x268
[  487.398474][T11197]  gsmld_ioctl+0x16f0/0x2310
[  487.399748][T11197]  tty_ioctl+0x924/0xd8c
[  487.400854][T11197]  __arm64_sys_ioctl+0x14c/0x1c8
[  487.402161][T11197]  invoke_syscall+0x98/0x2b8
[  487.403377][T11197]  el0_svc_common+0x130/0x23c
[  487.404702][T11197]  do_el0_svc+0x48/0x58
[  487.405817][T11197]  el0_svc+0x58/0x16c
[  487.406930][T11197]  el0t_64_sync_handler+0x84/0xfc
[  487.408324][T11197]  el0t_64_sync+0x190/0x194
[  487.428207][T11197] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  487.842234][T11201] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  487.844583][T11201] CPU: 1 PID: 11201 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  487.847494][T11201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  487.850245][T11201] Call trace:
[  487.851161][T11201]  dump_backtrace+0x1b8/0x1e4
[  487.852538][T11201]  show_stack+0x2c/0x44
[  487.853668][T11201]  dump_stack_lvl+0xd0/0x124
[  487.854963][T11201]  dump_stack+0x1c/0x28
[  487.856141][T11201]  sysfs_create_dir_ns+0x278/0x318
[  487.857580][T11201]  kobject_add_internal+0x514/0xadc
[  487.859017][T11201]  kobject_add+0x14c/0x224
[  487.860259][T11201]  device_add+0x3a0/0xaac
[  487.861453][T11201]  device_register+0x28/0x38
[  487.862726][T11201]  tty_register_device_attr+0x3a4/0x7d4
[  487.864234][T11201]  tty_register_device+0x3c/0x50
[  487.865588][T11201]  gsm_activate_mux+0xdc/0x268
[  487.866883][T11201]  gsmld_ioctl+0x16f0/0x2310
[  487.868135][T11201]  tty_ioctl+0x924/0xd8c
[  487.869315][T11201]  __arm64_sys_ioctl+0x14c/0x1c8
[  487.870744][T11201]  invoke_syscall+0x98/0x2b8
[  487.871996][T11201]  el0_svc_common+0x130/0x23c
[  487.873304][T11201]  do_el0_svc+0x48/0x58
[  487.874422][T11201]  el0_svc+0x58/0x16c
[  487.875550][T11201]  el0t_64_sync_handler+0x84/0xfc
[  487.876969][T11201]  el0t_64_sync+0x190/0x194
[  487.896866][T11201] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.137316][T11204] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  488.139721][T11204] CPU: 1 PID: 11204 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  488.142507][T11204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  488.145257][T11204] Call trace:
[  488.146178][T11204]  dump_backtrace+0x1b8/0x1e4
[  488.147461][T11204]  show_stack+0x2c/0x44
[  488.148682][T11204]  dump_stack_lvl+0xd0/0x124
[  488.149968][T11204]  dump_stack+0x1c/0x28
[  488.151144][T11204]  sysfs_create_dir_ns+0x278/0x318
[  488.152594][T11204]  kobject_add_internal+0x514/0xadc
[  488.154064][T11204]  kobject_add+0x14c/0x224
[  488.155301][T11204]  device_add+0x3a0/0xaac
[  488.156521][T11204]  device_register+0x28/0x38
[  488.157868][T11204]  tty_register_device_attr+0x3a4/0x7d4
[  488.159436][T11204]  tty_register_device+0x3c/0x50
[  488.160828][T11204]  gsm_activate_mux+0xdc/0x268
[  488.162168][T11204]  gsmld_ioctl+0x16f0/0x2310
[  488.163455][T11204]  tty_ioctl+0x924/0xd8c
[  488.164653][T11204]  __arm64_sys_ioctl+0x14c/0x1c8
[  488.166059][T11204]  invoke_syscall+0x98/0x2b8
[  488.167338][T11204]  el0_svc_common+0x130/0x23c
[  488.168701][T11204]  do_el0_svc+0x48/0x58
[  488.169851][T11204]  el0_svc+0x58/0x16c
[  488.170985][T11204]  el0t_64_sync_handler+0x84/0xfc
[  488.172409][T11204]  el0t_64_sync+0x190/0x194
[  488.177906][T11204] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.534339][T11208] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  488.539190][T11208] CPU: 0 PID: 11208 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  488.542151][T11208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  488.544996][T11208] Call trace:
[  488.545885][T11208]  dump_backtrace+0x1b8/0x1e4
[  488.547179][T11208]  show_stack+0x2c/0x44
[  488.548323][T11208]  dump_stack_lvl+0xd0/0x124
[  488.549585][T11208]  dump_stack+0x1c/0x28
[  488.550738][T11208]  sysfs_create_dir_ns+0x278/0x318
[  488.552162][T11208]  kobject_add_internal+0x514/0xadc
[  488.553610][T11208]  kobject_add+0x14c/0x224
[  488.554839][T11208]  device_add+0x3a0/0xaac
[  488.556051][T11208]  device_register+0x28/0x38
[  488.557375][T11208]  tty_register_device_attr+0x3a4/0x7d4
[  488.558887][T11208]  tty_register_device+0x3c/0x50
[  488.560194][T11208]  gsm_activate_mux+0xdc/0x268
[  488.561543][T11208]  gsmld_ioctl+0x16f0/0x2310
[  488.562842][T11208]  tty_ioctl+0x924/0xd8c
[  488.564006][T11208]  __arm64_sys_ioctl+0x14c/0x1c8
[  488.565372][T11208]  invoke_syscall+0x98/0x2b8
[  488.566676][T11208]  el0_svc_common+0x130/0x23c
[  488.568006][T11208]  do_el0_svc+0x48/0x58
[  488.569153][T11208]  el0_svc+0x58/0x16c
[  488.570245][T11208]  el0t_64_sync_handler+0x84/0xfc
[  488.571681][T11208]  el0t_64_sync+0x190/0x194
[  488.577966][T11208] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.825420][T11211] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  488.830971][T11211] CPU: 0 PID: 11211 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  488.833833][T11211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  488.836619][T11211] Call trace:
[  488.837528][T11211]  dump_backtrace+0x1b8/0x1e4
[  488.838834][T11211]  show_stack+0x2c/0x44
[  488.840010][T11211]  dump_stack_lvl+0xd0/0x124
[  488.841272][T11211]  dump_stack+0x1c/0x28
[  488.842421][T11211]  sysfs_create_dir_ns+0x278/0x318
[  488.843854][T11211]  kobject_add_internal+0x514/0xadc
[  488.845283][T11211]  kobject_add+0x14c/0x224
[  488.846549][T11211]  device_add+0x3a0/0xaac
[  488.847770][T11211]  device_register+0x28/0x38
[  488.849050][T11211]  tty_register_device_attr+0x3a4/0x7d4
[  488.850524][T11211]  tty_register_device+0x3c/0x50
[  488.851896][T11211]  gsm_activate_mux+0xdc/0x268
[  488.853237][T11211]  gsmld_ioctl+0x16f0/0x2310
[  488.854476][T11211]  tty_ioctl+0x924/0xd8c
[  488.855616][T11211]  __arm64_sys_ioctl+0x14c/0x1c8
[  488.857023][T11211]  invoke_syscall+0x98/0x2b8
[  488.858323][T11211]  el0_svc_common+0x130/0x23c
[  488.859648][T11211]  do_el0_svc+0x48/0x58
[  488.860801][T11211]  el0_svc+0x58/0x16c
[  488.861905][T11211]  el0t_64_sync_handler+0x84/0xfc
[  488.863304][T11211]  el0t_64_sync+0x190/0x194
[  488.867122][T11211] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.073951][T11214] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  489.077006][T11214] CPU: 1 PID: 11214 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  489.079860][T11214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  489.082671][T11214] Call trace:
[  489.083577][T11214]  dump_backtrace+0x1b8/0x1e4
[  489.084872][T11214]  show_stack+0x2c/0x44
[  489.086022][T11214]  dump_stack_lvl+0xd0/0x124
[  489.087284][T11214]  dump_stack+0x1c/0x28
[  489.088445][T11214]  sysfs_create_dir_ns+0x278/0x318
[  489.089897][T11214]  kobject_add_internal+0x514/0xadc
[  489.091368][T11214]  kobject_add+0x14c/0x224
[  489.092589][T11214]  device_add+0x3a0/0xaac
[  489.093778][T11214]  device_register+0x28/0x38
[  489.095043][T11214]  tty_register_device_attr+0x3a4/0x7d4
[  489.096520][T11214]  tty_register_device+0x3c/0x50
[  489.097885][T11214]  gsm_activate_mux+0xdc/0x268
[  489.099215][T11214]  gsmld_ioctl+0x16f0/0x2310
[  489.100478][T11214]  tty_ioctl+0x924/0xd8c
[  489.101736][T11214]  __arm64_sys_ioctl+0x14c/0x1c8
[  489.103233][T11214]  invoke_syscall+0x98/0x2b8
[  489.104521][T11214]  el0_svc_common+0x130/0x23c
[  489.105825][T11214]  do_el0_svc+0x48/0x58
[  489.106995][T11214]  el0_svc+0x58/0x16c
[  489.108104][T11214]  el0t_64_sync_handler+0x84/0xfc
[  489.109504][T11214]  el0t_64_sync+0x190/0x194
[  489.117305][T11214] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.464898][T11217] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  489.468377][T11217] CPU: 1 PID: 11217 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  489.471198][T11217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  489.473873][T11217] Call trace:
[  489.474683][T11217]  dump_backtrace+0x1b8/0x1e4
[  489.475956][T11217]  show_stack+0x2c/0x44
[  489.477072][T11217]  dump_stack_lvl+0xd0/0x124
[  489.478345][T11217]  dump_stack+0x1c/0x28
[  489.479502][T11217]  sysfs_create_dir_ns+0x278/0x318
[  489.480952][T11217]  kobject_add_internal+0x514/0xadc
[  489.482406][T11217]  kobject_add+0x14c/0x224
[  489.483630][T11217]  device_add+0x3a0/0xaac
[  489.484770][T11217]  device_register+0x28/0x38
[  489.486084][T11217]  tty_register_device_attr+0x3a4/0x7d4
[  489.487665][T11217]  tty_register_device+0x3c/0x50
[  489.489043][T11217]  gsm_activate_mux+0xdc/0x268
[  489.490378][T11217]  gsmld_ioctl+0x16f0/0x2310
[  489.491666][T11217]  tty_ioctl+0x924/0xd8c
[  489.492823][T11217]  __arm64_sys_ioctl+0x14c/0x1c8
[  489.494165][T11217]  invoke_syscall+0x98/0x2b8
[  489.495384][T11217]  el0_svc_common+0x130/0x23c
[  489.496762][T11217]  do_el0_svc+0x48/0x58
[  489.497938][T11217]  el0_svc+0x58/0x16c
[  489.499069][T11217]  el0t_64_sync_handler+0x84/0xfc
[  489.500457][T11217]  el0t_64_sync+0x190/0x194
[  489.506775][T11217] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.927100][T11220] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  489.929426][T11220] CPU: 0 PID: 11220 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  489.931749][T11220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  489.934353][T11220] Call trace:
[  489.935206][T11220]  dump_backtrace+0x1b8/0x1e4
[  489.936466][T11220]  show_stack+0x2c/0x44
[  489.937620][T11220]  dump_stack_lvl+0xd0/0x124
[  489.938870][T11220]  dump_stack+0x1c/0x28
[  489.939999][T11220]  sysfs_create_dir_ns+0x278/0x318
[  489.941425][T11220]  kobject_add_internal+0x514/0xadc
[  489.942865][T11220]  kobject_add+0x14c/0x224
[  489.944069][T11220]  device_add+0x3a0/0xaac
[  489.945237][T11220]  device_register+0x28/0x38
[  489.946466][T11220]  tty_register_device_attr+0x3a4/0x7d4
[  489.947955][T11220]  tty_register_device+0x3c/0x50
[  489.949298][T11220]  gsm_activate_mux+0xdc/0x268
[  489.950643][T11220]  gsmld_ioctl+0x16f0/0x2310
[  489.951916][T11220]  tty_ioctl+0x924/0xd8c
[  489.953102][T11220]  __arm64_sys_ioctl+0x14c/0x1c8
[  489.954450][T11220]  invoke_syscall+0x98/0x2b8
[  489.955730][T11220]  el0_svc_common+0x130/0x23c
[  489.957012][T11220]  do_el0_svc+0x48/0x58
[  489.958157][T11220]  el0_svc+0x58/0x16c
[  489.959260][T11220]  el0t_64_sync_handler+0x84/0xfc
[  489.960655][T11220]  el0t_64_sync+0x190/0x194
[  489.963957][T11220] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.224615][T11223] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  490.227899][T11223] CPU: 0 PID: 11223 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  490.230701][T11223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  490.233485][T11223] Call trace:
[  490.234397][T11223]  dump_backtrace+0x1b8/0x1e4
[  490.235701][T11223]  show_stack+0x2c/0x44
[  490.236857][T11223]  dump_stack_lvl+0xd0/0x124
[  490.238179][T11223]  dump_stack+0x1c/0x28
[  490.239344][T11223]  sysfs_create_dir_ns+0x278/0x318
[  490.240709][T11223]  kobject_add_internal+0x514/0xadc
[  490.242161][T11223]  kobject_add+0x14c/0x224
[  490.243377][T11223]  device_add+0x3a0/0xaac
[  490.244582][T11223]  device_register+0x28/0x38
[  490.245862][T11223]  tty_register_device_attr+0x3a4/0x7d4
[  490.247376][T11223]  tty_register_device+0x3c/0x50
[  490.248745][T11223]  gsm_activate_mux+0xdc/0x268
[  490.250058][T11223]  gsmld_ioctl+0x16f0/0x2310
[  490.251337][T11223]  tty_ioctl+0x924/0xd8c
[  490.252494][T11223]  __arm64_sys_ioctl+0x14c/0x1c8
[  490.253888][T11223]  invoke_syscall+0x98/0x2b8
[  490.255157][T11223]  el0_svc_common+0x130/0x23c
[  490.256447][T11223]  do_el0_svc+0x48/0x58
[  490.257622][T11223]  el0_svc+0x58/0x16c
[  490.258696][T11223]  el0t_64_sync_handler+0x84/0xfc
[  490.260106][T11223]  el0t_64_sync+0x190/0x194
[  490.263026][T11223] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.465981][T11226] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  490.468306][T11226] CPU: 0 PID: 11226 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  490.471345][T11226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  490.474186][T11226] Call trace:
[  490.475110][T11226]  dump_backtrace+0x1b8/0x1e4
[  490.476434][T11226]  show_stack+0x2c/0x44
[  490.477591][T11226]  dump_stack_lvl+0xd0/0x124
[  490.478872][T11226]  dump_stack+0x1c/0x28
[  490.480057][T11226]  sysfs_create_dir_ns+0x278/0x318
[  490.481481][T11226]  kobject_add_internal+0x514/0xadc
[  490.482957][T11226]  kobject_add+0x14c/0x224
[  490.484184][T11226]  device_add+0x3a0/0xaac
[  490.485396][T11226]  device_register+0x28/0x38
[  490.486722][T11226]  tty_register_device_attr+0x3a4/0x7d4
[  490.488237][T11226]  tty_register_device+0x3c/0x50
[  490.489639][T11226]  gsm_activate_mux+0xdc/0x268
[  490.490987][T11226]  gsmld_ioctl+0x16f0/0x2310
[  490.492289][T11226]  tty_ioctl+0x924/0xd8c
[  490.493501][T11226]  __arm64_sys_ioctl+0x14c/0x1c8
[  490.494889][T11226]  invoke_syscall+0x98/0x2b8
[  490.496207][T11226]  el0_svc_common+0x130/0x23c
[  490.497500][T11226]  do_el0_svc+0x48/0x58
[  490.498692][T11226]  el0_svc+0x58/0x16c
[  490.499808][T11226]  el0t_64_sync_handler+0x84/0xfc
[  490.501212][T11226]  el0t_64_sync+0x190/0x194
[  490.512296][T11226] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.519111][T11227] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  490.521380][T11227] CPU: 0 PID: 11227 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  490.524328][T11227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  490.527157][T11227] Call trace:
[  490.528079][T11227]  dump_backtrace+0x1b8/0x1e4
[  490.529412][T11227]  show_stack+0x2c/0x44
[  490.530611][T11227]  dump_stack_lvl+0xd0/0x124
[  490.532016][T11227]  dump_stack+0x1c/0x28
[  490.533226][T11227]  sysfs_create_dir_ns+0x278/0x318
[  490.534652][T11227]  kobject_add_internal+0x514/0xadc
[  490.536139][T11227]  kobject_add+0x14c/0x224
[  490.537368][T11227]  device_add+0x3a0/0xaac
[  490.538590][T11227]  device_register+0x28/0x38
[  490.539869][T11227]  tty_register_device_attr+0x3a4/0x7d4
[  490.541454][T11227]  tty_register_device+0x3c/0x50
[  490.542912][T11227]  gsm_activate_mux+0xdc/0x268
[  490.544212][T11227]  gsmld_ioctl+0x16f0/0x2310
[  490.545518][T11227]  tty_ioctl+0x924/0xd8c
[  490.546734][T11227]  __arm64_sys_ioctl+0x14c/0x1c8
[  490.548152][T11227]  invoke_syscall+0x98/0x2b8
[  490.549474][T11227]  el0_svc_common+0x130/0x23c
[  490.550772][T11227]  do_el0_svc+0x48/0x58
[  490.551954][T11227]  el0_svc+0x58/0x16c
[  490.553037][T11227]  el0t_64_sync_handler+0x84/0xfc
[  490.554493][T11227]  el0t_64_sync+0x190/0x194
[  490.563163][T11227] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.736707][T11230] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  490.742712][T11230] CPU: 0 PID: 11230 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  490.745690][T11230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  490.748432][T11230] Call trace:
[  490.749349][T11230]  dump_backtrace+0x1b8/0x1e4
[  490.750713][T11230]  show_stack+0x2c/0x44
[  490.751870][T11230]  dump_stack_lvl+0xd0/0x124
[  490.753196][T11230]  dump_stack+0x1c/0x28
[  490.754359][T11230]  sysfs_create_dir_ns+0x278/0x318
[  490.755792][T11230]  kobject_add_internal+0x514/0xadc
[  490.757191][T11230]  kobject_add+0x14c/0x224
[  490.758394][T11230]  device_add+0x3a0/0xaac
[  490.759611][T11230]  device_register+0x28/0x38
[  490.760865][T11230]  tty_register_device_attr+0x3a4/0x7d4
[  490.762377][T11230]  tty_register_device+0x3c/0x50
[  490.763737][T11230]  gsm_activate_mux+0xdc/0x268
[  490.765076][T11230]  gsmld_ioctl+0x16f0/0x2310
[  490.766300][T11230]  tty_ioctl+0x924/0xd8c
[  490.767455][T11230]  __arm64_sys_ioctl+0x14c/0x1c8
[  490.768843][T11230]  invoke_syscall+0x98/0x2b8
[  490.770105][T11230]  el0_svc_common+0x130/0x23c
[  490.771419][T11230]  do_el0_svc+0x48/0x58
[  490.772598][T11230]  el0_svc+0x58/0x16c
[  490.773729][T11230]  el0t_64_sync_handler+0x84/0xfc
[  490.775084][T11230]  el0t_64_sync+0x190/0x194
[  490.799735][T11230] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.984836][T11233] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  490.990369][T11233] CPU: 0 PID: 11233 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  490.993335][T11233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  490.996183][T11233] Call trace:
[  490.997110][T11233]  dump_backtrace+0x1b8/0x1e4
[  490.998422][T11233]  show_stack+0x2c/0x44
[  490.999543][T11233]  dump_stack_lvl+0xd0/0x124
[  491.000841][T11233]  dump_stack+0x1c/0x28
[  491.001995][T11233]  sysfs_create_dir_ns+0x278/0x318
[  491.003412][T11233]  kobject_add_internal+0x514/0xadc
[  491.004832][T11233]  kobject_add+0x14c/0x224
[  491.006050][T11233]  device_add+0x3a0/0xaac
[  491.007251][T11233]  device_register+0x28/0x38
[  491.008531][T11233]  tty_register_device_attr+0x3a4/0x7d4
[  491.010092][T11233]  tty_register_device+0x3c/0x50
[  491.011465][T11233]  gsm_activate_mux+0xdc/0x268
[  491.012823][T11233]  gsmld_ioctl+0x16f0/0x2310
[  491.014086][T11233]  tty_ioctl+0x924/0xd8c
[  491.015244][T11233]  __arm64_sys_ioctl+0x14c/0x1c8
[  491.016660][T11233]  invoke_syscall+0x98/0x2b8
[  491.017956][T11233]  el0_svc_common+0x130/0x23c
[  491.019231][T11233]  do_el0_svc+0x48/0x58
[  491.020350][T11233]  el0_svc+0x58/0x16c
[  491.021446][T11233]  el0t_64_sync_handler+0x84/0xfc
[  491.022861][T11233]  el0t_64_sync+0x190/0x194
[  491.027793][T11233] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.034522][T11233] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.037107][T11233] CPU: 1 PID: 11233 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  491.040036][T11233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  491.042794][T11233] Call trace:
[  491.043830][T11233]  dump_backtrace+0x1b8/0x1e4
[  491.045106][T11233]  show_stack+0x2c/0x44
[  491.046316][T11233]  dump_stack_lvl+0xd0/0x124
[  491.047586][T11233]  dump_stack+0x1c/0x28
[  491.048722][T11233]  sysfs_create_dir_ns+0x278/0x318
[  491.050164][T11233]  kobject_add_internal+0x514/0xadc
[  491.051633][T11233]  kobject_add+0x14c/0x224
[  491.052836][T11233]  device_add+0x3a0/0xaac
[  491.054046][T11233]  device_register+0x28/0x38
[  491.055322][T11233]  tty_register_device_attr+0x3a4/0x7d4
[  491.056858][T11233]  tty_register_device+0x3c/0x50
[  491.058238][T11233]  gsm_activate_mux+0xdc/0x268
[  491.059584][T11233]  gsmld_ioctl+0x16f0/0x2310
[  491.060859][T11233]  tty_ioctl+0x924/0xd8c
[  491.062022][T11233]  __arm64_sys_ioctl+0x14c/0x1c8
[  491.063378][T11233]  invoke_syscall+0x98/0x2b8
[  491.064661][T11233]  el0_svc_common+0x130/0x23c
[  491.065961][T11233]  do_el0_svc+0x48/0x58
[  491.067117][T11233]  el0_svc+0x58/0x16c
[  491.068249][T11233]  el0t_64_sync_handler+0x84/0xfc
[  491.069661][T11233]  el0t_64_sync+0x190/0x194
[  491.076249][T11233] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.239683][T11236] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.242823][T11236] CPU: 1 PID: 11236 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  491.245773][T11236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  491.248579][T11236] Call trace:
[  491.249592][T11236]  dump_backtrace+0x1b8/0x1e4
[  491.250861][T11236]  show_stack+0x2c/0x44
[  491.251993][T11236]  dump_stack_lvl+0xd0/0x124
[  491.253318][T11236]  dump_stack+0x1c/0x28
[  491.254482][T11236]  sysfs_create_dir_ns+0x278/0x318
[  491.255925][T11236]  kobject_add_internal+0x514/0xadc
[  491.257392][T11236]  kobject_add+0x14c/0x224
[  491.258604][T11236]  device_add+0x3a0/0xaac
[  491.259786][T11236]  device_register+0x28/0x38
[  491.261049][T11236]  tty_register_device_attr+0x3a4/0x7d4
[  491.262598][T11236]  tty_register_device+0x3c/0x50
[  491.263960][T11236]  gsm_activate_mux+0xdc/0x268
[  491.265299][T11236]  gsmld_ioctl+0x16f0/0x2310
[  491.266581][T11236]  tty_ioctl+0x924/0xd8c
[  491.267764][T11236]  __arm64_sys_ioctl+0x14c/0x1c8
[  491.269136][T11236]  invoke_syscall+0x98/0x2b8
[  491.270332][T11236]  el0_svc_common+0x130/0x23c
[  491.271659][T11236]  do_el0_svc+0x48/0x58
[  491.272858][T11236]  el0_svc+0x58/0x16c
[  491.273981][T11236]  el0t_64_sync_handler+0x84/0xfc
[  491.275388][T11236]  el0t_64_sync+0x190/0x194
[  491.284147][T11236] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.289284][T11236] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.291822][T11236] CPU: 1 PID: 11236 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  491.294720][T11236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  491.297465][T11236] Call trace:
[  491.298385][T11236]  dump_backtrace+0x1b8/0x1e4
[  491.299703][T11236]  show_stack+0x2c/0x44
[  491.300856][T11236]  dump_stack_lvl+0xd0/0x124
[  491.302134][T11236]  dump_stack+0x1c/0x28
[  491.303298][T11236]  sysfs_create_dir_ns+0x278/0x318
[  491.304691][T11236]  kobject_add_internal+0x514/0xadc
[  491.306083][T11236]  kobject_add+0x14c/0x224
[  491.307292][T11236]  device_add+0x3a0/0xaac
[  491.308510][T11236]  device_register+0x28/0x38
[  491.309809][T11236]  tty_register_device_attr+0x3a4/0x7d4
[  491.311360][T11236]  tty_register_device+0x3c/0x50
[  491.312753][T11236]  gsm_activate_mux+0xdc/0x268
[  491.314086][T11236]  gsmld_ioctl+0x16f0/0x2310
[  491.315283][T11236]  tty_ioctl+0x924/0xd8c
[  491.316473][T11236]  __arm64_sys_ioctl+0x14c/0x1c8
[  491.317858][T11236]  invoke_syscall+0x98/0x2b8
[  491.319155][T11236]  el0_svc_common+0x130/0x23c
[  491.320458][T11236]  do_el0_svc+0x48/0x58
[  491.321615][T11236]  el0_svc+0x58/0x16c
[  491.322742][T11236]  el0t_64_sync_handler+0x84/0xfc
[  491.324096][T11236]  el0t_64_sync+0x190/0x194
[  491.328046][T11236] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.489933][T11239] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.496394][T11239] CPU: 1 PID: 11239 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  491.499338][T11239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  491.502094][T11239] Call trace:
[  491.503035][T11239]  dump_backtrace+0x1b8/0x1e4
[  491.504349][T11239]  show_stack+0x2c/0x44
[  491.505523][T11239]  dump_stack_lvl+0xd0/0x124
[  491.506786][T11239]  dump_stack+0x1c/0x28
[  491.507972][T11239]  sysfs_create_dir_ns+0x278/0x318
[  491.509366][T11239]  kobject_add_internal+0x514/0xadc
[  491.510796][T11239]  kobject_add+0x14c/0x224
[  491.512043][T11239]  device_add+0x3a0/0xaac
[  491.513262][T11239]  device_register+0x28/0x38
[  491.514549][T11239]  tty_register_device_attr+0x3a4/0x7d4
[  491.516144][T11239]  tty_register_device+0x3c/0x50
[  491.517558][T11239]  gsm_activate_mux+0xdc/0x268
[  491.518836][T11239]  gsmld_ioctl+0x16f0/0x2310
[  491.520088][T11239]  tty_ioctl+0x924/0xd8c
[  491.521268][T11239]  __arm64_sys_ioctl+0x14c/0x1c8
[  491.522657][T11239]  invoke_syscall+0x98/0x2b8
[  491.523947][T11239]  el0_svc_common+0x130/0x23c
[  491.525204][T11239]  do_el0_svc+0x48/0x58
[  491.526327][T11239]  el0_svc+0x58/0x16c
[  491.527413][T11239]  el0t_64_sync_handler+0x84/0xfc
[  491.528785][T11239]  el0t_64_sync+0x190/0x194
[  491.531076][T11239] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.537223][T11239] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.541924][T11239] CPU: 1 PID: 11239 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  491.544867][T11239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  491.547601][T11239] Call trace:
[  491.548479][T11239]  dump_backtrace+0x1b8/0x1e4
[  491.549787][T11239]  show_stack+0x2c/0x44
[  491.550928][T11239]  dump_stack_lvl+0xd0/0x124
[  491.552190][T11239]  dump_stack+0x1c/0x28
[  491.553351][T11239]  sysfs_create_dir_ns+0x278/0x318
[  491.554802][T11239]  kobject_add_internal+0x514/0xadc
[  491.556225][T11239]  kobject_add+0x14c/0x224
[  491.557436][T11239]  device_add+0x3a0/0xaac
[  491.558710][T11239]  device_register+0x28/0x38
[  491.559989][T11239]  tty_register_device_attr+0x3a4/0x7d4
[  491.561495][T11239]  tty_register_device+0x3c/0x50
[  491.562888][T11239]  gsm_activate_mux+0xdc/0x268
[  491.564205][T11239]  gsmld_ioctl+0x16f0/0x2310
[  491.565474][T11239]  tty_ioctl+0x924/0xd8c
[  491.566728][T11239]  __arm64_sys_ioctl+0x14c/0x1c8
[  491.568085][T11239]  invoke_syscall+0x98/0x2b8
[  491.569361][T11239]  el0_svc_common+0x130/0x23c
[  491.570598][T11239]  do_el0_svc+0x48/0x58
[  491.571759][T11239]  el0_svc+0x58/0x16c
[  491.572877][T11239]  el0t_64_sync_handler+0x84/0xfc
[  491.574299][T11239]  el0t_64_sync+0x190/0x194
[  491.577722][T11239] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.751923][T11242] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  491.754355][T11242] CPU: 0 PID: 11242 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  491.757257][T11242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  491.760016][T11242] Call trace:
[  491.760917][T11242]  dump_backtrace+0x1b8/0x1e4
[  491.762190][T11242]  show_stack+0x2c/0x44
[  491.763294][T11242]  dump_stack_lvl+0xd0/0x124
[  491.764598][T11242]  dump_stack+0x1c/0x28
[  491.765755][T11242]  sysfs_create_dir_ns+0x278/0x318
[  491.767181][T11242]  kobject_add_internal+0x514/0xadc
[  491.768650][T11242]  kobject_add+0x14c/0x224
[  491.769861][T11242]  device_add+0x3a0/0xaac
[  491.771051][T11242]  device_register+0x28/0x38
[  491.772347][T11242]  tty_register_device_attr+0x3a4/0x7d4
[  491.773899][T11242]  tty_register_device+0x3c/0x50
[  491.775262][T11242]  gsm_activate_mux+0xdc/0x268
[  491.776603][T11242]  gsmld_ioctl+0x16f0/0x2310
[  491.777890][T11242]  tty_ioctl+0x924/0xd8c
[  491.779101][T11242]  __arm64_sys_ioctl+0x14c/0x1c8
[  491.780454][T11242]  invoke_syscall+0x98/0x2b8
[  491.781661][T11242]  el0_svc_common+0x130/0x23c
[  491.782971][T11242]  do_el0_svc+0x48/0x58
[  491.784089][T11242]  el0_svc+0x58/0x16c
[  491.785201][T11242]  el0t_64_sync_handler+0x84/0xfc
[  491.786627][T11242]  el0t_64_sync+0x190/0x194
[  491.790868][T11242] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.175497][T11245] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.178109][T11245] CPU: 1 PID: 11245 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  492.180942][T11245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  492.183627][T11245] Call trace:
[  492.184503][T11245]  dump_backtrace+0x1b8/0x1e4
[  492.185757][T11245]  show_stack+0x2c/0x44
[  492.186865][T11245]  dump_stack_lvl+0xd0/0x124
[  492.188147][T11245]  dump_stack+0x1c/0x28
[  492.189317][T11245]  sysfs_create_dir_ns+0x278/0x318
[  492.190769][T11245]  kobject_add_internal+0x514/0xadc
[  492.192239][T11245]  kobject_add+0x14c/0x224
[  492.193482][T11245]  device_add+0x3a0/0xaac
[  492.194724][T11245]  device_register+0x28/0x38
[  492.196010][T11245]  tty_register_device_attr+0x3a4/0x7d4
[  492.197576][T11245]  tty_register_device+0x3c/0x50
[  492.198962][T11245]  gsm_activate_mux+0xdc/0x268
[  492.200296][T11245]  gsmld_ioctl+0x16f0/0x2310
[  492.201602][T11245]  tty_ioctl+0x924/0xd8c
[  492.202780][T11245]  __arm64_sys_ioctl+0x14c/0x1c8
[  492.204226][T11245]  invoke_syscall+0x98/0x2b8
[  492.205465][T11245]  el0_svc_common+0x130/0x23c
[  492.206793][T11245]  do_el0_svc+0x48/0x58
[  492.207950][T11245]  el0_svc+0x58/0x16c
[  492.209069][T11245]  el0t_64_sync_handler+0x84/0xfc
[  492.210464][T11245]  el0t_64_sync+0x190/0x194
[  492.212388][T11245] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.483941][T11248] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.488834][T11248] CPU: 1 PID: 11248 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  492.491899][T11248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  492.494732][T11248] Call trace:
[  492.495664][T11248]  dump_backtrace+0x1b8/0x1e4
[  492.497014][T11248]  show_stack+0x2c/0x44
[  492.498161][T11248]  dump_stack_lvl+0xd0/0x124
[  492.499484][T11248]  dump_stack+0x1c/0x28
[  492.500689][T11248]  sysfs_create_dir_ns+0x278/0x318
[  492.502163][T11248]  kobject_add_internal+0x514/0xadc
[  492.503639][T11248]  kobject_add+0x14c/0x224
[  492.504859][T11248]  device_add+0x3a0/0xaac
[  492.506092][T11248]  device_register+0x28/0x38
[  492.507388][T11248]  tty_register_device_attr+0x3a4/0x7d4
[  492.508959][T11248]  tty_register_device+0x3c/0x50
[  492.510349][T11248]  gsm_activate_mux+0xdc/0x268
[  492.511691][T11248]  gsmld_ioctl+0x16f0/0x2310
[  492.512983][T11248]  tty_ioctl+0x924/0xd8c
[  492.514178][T11248]  __arm64_sys_ioctl+0x14c/0x1c8
[  492.515573][T11248]  invoke_syscall+0x98/0x2b8
[  492.516833][T11248]  el0_svc_common+0x130/0x23c
[  492.518148][T11248]  do_el0_svc+0x48/0x58
[  492.519309][T11248]  el0_svc+0x58/0x16c
[  492.520445][T11248]  el0t_64_sync_handler+0x84/0xfc
[  492.521886][T11248]  el0t_64_sync+0x190/0x194
[  492.526162][T11248] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.531521][T11248] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.534097][T11248] CPU: 1 PID: 11248 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  492.536965][T11248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  492.539839][T11248] Call trace:
[  492.540772][T11248]  dump_backtrace+0x1b8/0x1e4
[  492.542041][T11248]  show_stack+0x2c/0x44
[  492.543205][T11248]  dump_stack_lvl+0xd0/0x124
[  492.544531][T11248]  dump_stack+0x1c/0x28
[  492.545732][T11248]  sysfs_create_dir_ns+0x278/0x318
[  492.547174][T11248]  kobject_add_internal+0x514/0xadc
[  492.548658][T11248]  kobject_add+0x14c/0x224
[  492.549912][T11248]  device_add+0x3a0/0xaac
[  492.551124][T11248]  device_register+0x28/0x38
[  492.552417][T11248]  tty_register_device_attr+0x3a4/0x7d4
[  492.554007][T11248]  tty_register_device+0x3c/0x50
[  492.555369][T11248]  gsm_activate_mux+0xdc/0x268
[  492.556718][T11248]  gsmld_ioctl+0x16f0/0x2310
[  492.558032][T11248]  tty_ioctl+0x924/0xd8c
[  492.559217][T11248]  __arm64_sys_ioctl+0x14c/0x1c8
[  492.560619][T11248]  invoke_syscall+0x98/0x2b8
[  492.561893][T11248]  el0_svc_common+0x130/0x23c
[  492.563168][T11248]  do_el0_svc+0x48/0x58
[  492.564323][T11248]  el0_svc+0x58/0x16c
[  492.565447][T11248]  el0t_64_sync_handler+0x84/0xfc
[  492.566855][T11248]  el0t_64_sync+0x190/0x194
[  492.569102][T11248] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.755748][T11251] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.758246][T11251] CPU: 0 PID: 11251 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  492.761135][T11251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  492.763883][T11251] Call trace:
[  492.764778][T11251]  dump_backtrace+0x1b8/0x1e4
[  492.766100][T11251]  show_stack+0x2c/0x44
[  492.767213][T11251]  dump_stack_lvl+0xd0/0x124
[  492.768467][T11251]  dump_stack+0x1c/0x28
[  492.769624][T11251]  sysfs_create_dir_ns+0x278/0x318
[  492.771046][T11251]  kobject_add_internal+0x514/0xadc
[  492.772507][T11251]  kobject_add+0x14c/0x224
[  492.773761][T11251]  device_add+0x3a0/0xaac
[  492.774964][T11251]  device_register+0x28/0x38
[  492.776272][T11251]  tty_register_device_attr+0x3a4/0x7d4
[  492.777836][T11251]  tty_register_device+0x3c/0x50
[  492.779198][T11251]  gsm_activate_mux+0xdc/0x268
[  492.780523][T11251]  gsmld_ioctl+0x16f0/0x2310
[  492.781808][T11251]  tty_ioctl+0x924/0xd8c
[  492.782997][T11251]  __arm64_sys_ioctl+0x14c/0x1c8
[  492.784353][T11251]  invoke_syscall+0x98/0x2b8
[  492.785648][T11251]  el0_svc_common+0x130/0x23c
[  492.786950][T11251]  do_el0_svc+0x48/0x58
[  492.788116][T11251]  el0_svc+0x58/0x16c
[  492.789220][T11251]  el0t_64_sync_handler+0x84/0xfc
[  492.790613][T11251]  el0t_64_sync+0x190/0x194
[  492.796449][T11251] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.801444][T11251] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  492.803902][T11251] CPU: 1 PID: 11251 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  492.806764][T11251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  492.809505][T11251] Call trace:
[  492.810423][T11251]  dump_backtrace+0x1b8/0x1e4
[  492.811732][T11251]  show_stack+0x2c/0x44
[  492.812917][T11251]  dump_stack_lvl+0xd0/0x124
[  492.814221][T11251]  dump_stack+0x1c/0x28
[  492.815393][T11251]  sysfs_create_dir_ns+0x278/0x318
[  492.816851][T11251]  kobject_add_internal+0x514/0xadc
[  492.818354][T11251]  kobject_add+0x14c/0x224
[  492.819584][T11251]  device_add+0x3a0/0xaac
[  492.820779][T11251]  device_register+0x28/0x38
[  492.822067][T11251]  tty_register_device_attr+0x3a4/0x7d4
[  492.823660][T11251]  tty_register_device+0x3c/0x50
[  492.825088][T11251]  gsm_activate_mux+0xdc/0x268
[  492.826400][T11251]  gsmld_ioctl+0x16f0/0x2310
[  492.827648][T11251]  tty_ioctl+0x924/0xd8c
[  492.828855][T11251]  __arm64_sys_ioctl+0x14c/0x1c8
[  492.830263][T11251]  invoke_syscall+0x98/0x2b8
[  492.831538][T11251]  el0_svc_common+0x130/0x23c
[  492.832829][T11251]  do_el0_svc+0x48/0x58
[  492.834012][T11251]  el0_svc+0x58/0x16c
[  492.835122][T11251]  el0t_64_sync_handler+0x84/0xfc
[  492.836485][T11251]  el0t_64_sync+0x190/0x194
[  492.849087][T11251] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.015514][T11254] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.020637][T11254] CPU: 0 PID: 11254 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  493.023611][T11254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  493.026455][T11254] Call trace:
[  493.027404][T11254]  dump_backtrace+0x1b8/0x1e4
[  493.028727][T11254]  show_stack+0x2c/0x44
[  493.029849][T11254]  dump_stack_lvl+0xd0/0x124
[  493.031168][T11254]  dump_stack+0x1c/0x28
[  493.032342][T11254]  sysfs_create_dir_ns+0x278/0x318
[  493.033794][T11254]  kobject_add_internal+0x514/0xadc
[  493.035228][T11254]  kobject_add+0x14c/0x224
[  493.036455][T11254]  device_add+0x3a0/0xaac
[  493.037673][T11254]  device_register+0x28/0x38
[  493.038933][T11254]  tty_register_device_attr+0x3a4/0x7d4
[  493.040503][T11254]  tty_register_device+0x3c/0x50
[  493.041878][T11254]  gsm_activate_mux+0xdc/0x268
[  493.043194][T11254]  gsmld_ioctl+0x16f0/0x2310
[  493.044486][T11254]  tty_ioctl+0x924/0xd8c
[  493.045674][T11254]  __arm64_sys_ioctl+0x14c/0x1c8
[  493.047030][T11254]  invoke_syscall+0x98/0x2b8
[  493.048272][T11254]  el0_svc_common+0x130/0x23c
[  493.049623][T11254]  do_el0_svc+0x48/0x58
[  493.050791][T11254]  el0_svc+0x58/0x16c
[  493.051908][T11254]  el0t_64_sync_handler+0x84/0xfc
[  493.053336][T11254]  el0t_64_sync+0x190/0x194
[  493.057045][T11254] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.250679][T11257] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.253002][T11257] CPU: 1 PID: 11257 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  493.255882][T11257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  493.258718][T11257] Call trace:
[  493.259639][T11257]  dump_backtrace+0x1b8/0x1e4
[  493.260915][T11257]  show_stack+0x2c/0x44
[  493.262021][T11257]  dump_stack_lvl+0xd0/0x124
[  493.263274][T11257]  dump_stack+0x1c/0x28
[  493.264444][T11257]  sysfs_create_dir_ns+0x278/0x318
[  493.265896][T11257]  kobject_add_internal+0x514/0xadc
[  493.267354][T11257]  kobject_add+0x14c/0x224
[  493.268598][T11257]  device_add+0x3a0/0xaac
[  493.269860][T11257]  device_register+0x28/0x38
[  493.271141][T11257]  tty_register_device_attr+0x3a4/0x7d4
[  493.272727][T11257]  tty_register_device+0x3c/0x50
[  493.274120][T11257]  gsm_activate_mux+0xdc/0x268
[  493.275502][T11257]  gsmld_ioctl+0x16f0/0x2310
[  493.276806][T11257]  tty_ioctl+0x924/0xd8c
[  493.278001][T11257]  __arm64_sys_ioctl+0x14c/0x1c8
[  493.279410][T11257]  invoke_syscall+0x98/0x2b8
[  493.280706][T11257]  el0_svc_common+0x130/0x23c
[  493.281975][T11257]  do_el0_svc+0x48/0x58
[  493.283128][T11257]  el0_svc+0x58/0x16c
[  493.284261][T11257]  el0t_64_sync_handler+0x84/0xfc
[  493.285673][T11257]  el0t_64_sync+0x190/0x194
[  493.289733][T11257] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.293994][T11257] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.297607][T11257] CPU: 1 PID: 11257 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  493.300505][T11257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  493.303283][T11257] Call trace:
[  493.304188][T11257]  dump_backtrace+0x1b8/0x1e4
[  493.305463][T11257]  show_stack+0x2c/0x44
[  493.306677][T11257]  dump_stack_lvl+0xd0/0x124
[  493.307987][T11257]  dump_stack+0x1c/0x28
[  493.309147][T11257]  sysfs_create_dir_ns+0x278/0x318
[  493.310547][T11257]  kobject_add_internal+0x514/0xadc
[  493.312019][T11257]  kobject_add+0x14c/0x224
[  493.313247][T11257]  device_add+0x3a0/0xaac
[  493.314491][T11257]  device_register+0x28/0x38
[  493.315765][T11257]  tty_register_device_attr+0x3a4/0x7d4
[  493.317333][T11257]  tty_register_device+0x3c/0x50
[  493.318795][T11257]  gsm_activate_mux+0xdc/0x268
[  493.320204][T11257]  gsmld_ioctl+0x16f0/0x2310
[  493.321495][T11257]  tty_ioctl+0x924/0xd8c
[  493.322700][T11257]  __arm64_sys_ioctl+0x14c/0x1c8
[  493.324088][T11257]  invoke_syscall+0x98/0x2b8
[  493.325403][T11257]  el0_svc_common+0x130/0x23c
[  493.326706][T11257]  do_el0_svc+0x48/0x58
[  493.327837][T11257]  el0_svc+0x58/0x16c
[  493.328918][T11257]  el0t_64_sync_handler+0x84/0xfc
[  493.330333][T11257]  el0t_64_sync+0x190/0x194
[  493.333764][T11257] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.506637][T11260] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.512286][T11260] CPU: 1 PID: 11260 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  493.515233][T11260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  493.517984][T11260] Call trace:
[  493.518934][T11260]  dump_backtrace+0x1b8/0x1e4
[  493.520251][T11260]  show_stack+0x2c/0x44
[  493.521452][T11260]  dump_stack_lvl+0xd0/0x124
[  493.522737][T11260]  dump_stack+0x1c/0x28
[  493.523900][T11260]  sysfs_create_dir_ns+0x278/0x318
[  493.525320][T11260]  kobject_add_internal+0x514/0xadc
[  493.526759][T11260]  kobject_add+0x14c/0x224
[  493.527991][T11260]  device_add+0x3a0/0xaac
[  493.529209][T11260]  device_register+0x28/0x38
[  493.530452][T11260]  tty_register_device_attr+0x3a4/0x7d4
[  493.532002][T11260]  tty_register_device+0x3c/0x50
[  493.533400][T11260]  gsm_activate_mux+0xdc/0x268
[  493.534745][T11260]  gsmld_ioctl+0x16f0/0x2310
[  493.536003][T11260]  tty_ioctl+0x924/0xd8c
[  493.537163][T11260]  __arm64_sys_ioctl+0x14c/0x1c8
[  493.538546][T11260]  invoke_syscall+0x98/0x2b8
[  493.539836][T11260]  el0_svc_common+0x130/0x23c
[  493.541126][T11260]  do_el0_svc+0x48/0x58
[  493.542327][T11260]  el0_svc+0x58/0x16c
[  493.543487][T11260]  el0t_64_sync_handler+0x84/0xfc
[  493.544903][T11260]  el0t_64_sync+0x190/0x194
[  493.568943][T11260] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.745175][T11263] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.750142][T11263] CPU: 1 PID: 11263 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  493.753094][T11263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  493.755800][T11263] Call trace:
[  493.756647][T11263]  dump_backtrace+0x1b8/0x1e4
[  493.757965][T11263]  show_stack+0x2c/0x44
[  493.759119][T11263]  dump_stack_lvl+0xd0/0x124
[  493.760395][T11263]  dump_stack+0x1c/0x28
[  493.761589][T11263]  sysfs_create_dir_ns+0x278/0x318
[  493.763001][T11263]  kobject_add_internal+0x514/0xadc
[  493.764385][T11263]  kobject_add+0x14c/0x224
[  493.765580][T11263]  device_add+0x3a0/0xaac
[  493.766797][T11263]  device_register+0x28/0x38
[  493.768057][T11263]  tty_register_device_attr+0x3a4/0x7d4
[  493.769669][T11263]  tty_register_device+0x3c/0x50
[  493.771038][T11263]  gsm_activate_mux+0xdc/0x268
[  493.772357][T11263]  gsmld_ioctl+0x16f0/0x2310
[  493.773621][T11263]  tty_ioctl+0x924/0xd8c
[  493.774796][T11263]  __arm64_sys_ioctl+0x14c/0x1c8
[  493.776165][T11263]  invoke_syscall+0x98/0x2b8
[  493.777433][T11263]  el0_svc_common+0x130/0x23c
[  493.778727][T11263]  do_el0_svc+0x48/0x58
[  493.779808][T11263]  el0_svc+0x58/0x16c
[  493.780927][T11263]  el0t_64_sync_handler+0x84/0xfc
[  493.782344][T11263]  el0t_64_sync+0x190/0x194
[  493.795325][T11263] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.799608][T11264] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  493.801868][T11264] CPU: 1 PID: 11264 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  493.804589][T11264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  493.807369][T11264] Call trace:
[  493.808339][T11264]  dump_backtrace+0x1b8/0x1e4
[  493.809634][T11264]  show_stack+0x2c/0x44
[  493.810775][T11264]  dump_stack_lvl+0xd0/0x124
[  493.812056][T11264]  dump_stack+0x1c/0x28
[  493.813216][T11264]  sysfs_create_dir_ns+0x278/0x318
[  493.814621][T11264]  kobject_add_internal+0x514/0xadc
[  493.815947][T11264]  kobject_add+0x14c/0x224
[  493.817111][T11264]  device_add+0x3a0/0xaac
[  493.818294][T11264]  device_register+0x28/0x38
[  493.819555][T11264]  tty_register_device_attr+0x3a4/0x7d4
[  493.821127][T11264]  tty_register_device+0x3c/0x50
[  493.822455][T11264]  gsm_activate_mux+0xdc/0x268
[  493.823750][T11264]  gsmld_ioctl+0x16f0/0x2310
[  493.825018][T11264]  tty_ioctl+0x924/0xd8c
[  493.826265][T11264]  __arm64_sys_ioctl+0x14c/0x1c8
[  493.827634][T11264]  invoke_syscall+0x98/0x2b8
[  493.828961][T11264]  el0_svc_common+0x130/0x23c
[  493.830254][T11264]  do_el0_svc+0x48/0x58
[  493.831411][T11264]  el0_svc+0x58/0x16c
[  493.832526][T11264]  el0t_64_sync_handler+0x84/0xfc
[  493.833946][T11264]  el0t_64_sync+0x190/0x194
[  493.837637][T11264] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.003818][T11267] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.009977][T11267] CPU: 0 PID: 11267 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  494.012955][T11267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  494.015759][T11267] Call trace:
[  494.016667][T11267]  dump_backtrace+0x1b8/0x1e4
[  494.017943][T11267]  show_stack+0x2c/0x44
[  494.019103][T11267]  dump_stack_lvl+0xd0/0x124
[  494.020400][T11267]  dump_stack+0x1c/0x28
[  494.021551][T11267]  sysfs_create_dir_ns+0x278/0x318
[  494.023017][T11267]  kobject_add_internal+0x514/0xadc
[  494.024504][T11267]  kobject_add+0x14c/0x224
[  494.025737][T11267]  device_add+0x3a0/0xaac
[  494.026936][T11267]  device_register+0x28/0x38
[  494.028234][T11267]  tty_register_device_attr+0x3a4/0x7d4
[  494.029809][T11267]  tty_register_device+0x3c/0x50
[  494.031214][T11267]  gsm_activate_mux+0xdc/0x268
[  494.032502][T11267]  gsmld_ioctl+0x16f0/0x2310
[  494.033736][T11267]  tty_ioctl+0x924/0xd8c
[  494.034903][T11267]  __arm64_sys_ioctl+0x14c/0x1c8
[  494.036289][T11267]  invoke_syscall+0x98/0x2b8
[  494.037638][T11267]  el0_svc_common+0x130/0x23c
[  494.038971][T11267]  do_el0_svc+0x48/0x58
[  494.040118][T11267]  el0_svc+0x58/0x16c
[  494.041241][T11267]  el0t_64_sync_handler+0x84/0xfc
[  494.042719][T11267]  el0t_64_sync+0x190/0x194
[  494.047978][T11267] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.054944][T11267] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.057749][T11267] CPU: 0 PID: 11267 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  494.060583][T11267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  494.063381][T11267] Call trace:
[  494.064257][T11267]  dump_backtrace+0x1b8/0x1e4
[  494.065599][T11267]  show_stack+0x2c/0x44
[  494.066743][T11267]  dump_stack_lvl+0xd0/0x124
[  494.068021][T11267]  dump_stack+0x1c/0x28
[  494.069181][T11267]  sysfs_create_dir_ns+0x278/0x318
[  494.070589][T11267]  kobject_add_internal+0x514/0xadc
[  494.072060][T11267]  kobject_add+0x14c/0x224
[  494.073278][T11267]  device_add+0x3a0/0xaac
[  494.074516][T11267]  device_register+0x28/0x38
[  494.075774][T11267]  tty_register_device_attr+0x3a4/0x7d4
[  494.077293][T11267]  tty_register_device+0x3c/0x50
[  494.078669][T11267]  gsm_activate_mux+0xdc/0x268
[  494.080014][T11267]  gsmld_ioctl+0x16f0/0x2310
[  494.081293][T11267]  tty_ioctl+0x924/0xd8c
[  494.082464][T11267]  __arm64_sys_ioctl+0x14c/0x1c8
[  494.083836][T11267]  invoke_syscall+0x98/0x2b8
[  494.085170][T11267]  el0_svc_common+0x130/0x23c
[  494.086491][T11267]  do_el0_svc+0x48/0x58
[  494.087676][T11267]  el0_svc+0x58/0x16c
[  494.088796][T11267]  el0t_64_sync_handler+0x84/0xfc
[  494.090204][T11267]  el0t_64_sync+0x190/0x194
[  494.098332][T11267] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.258887][T11270] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.263126][T11270] CPU: 1 PID: 11270 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  494.266070][T11270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  494.268841][T11270] Call trace:
[  494.269721][T11270]  dump_backtrace+0x1b8/0x1e4
[  494.270989][T11270]  show_stack+0x2c/0x44
[  494.272137][T11270]  dump_stack_lvl+0xd0/0x124
[  494.273421][T11270]  dump_stack+0x1c/0x28
[  494.274573][T11270]  sysfs_create_dir_ns+0x278/0x318
[  494.275994][T11270]  kobject_add_internal+0x514/0xadc
[  494.277442][T11270]  kobject_add+0x14c/0x224
[  494.278676][T11270]  device_add+0x3a0/0xaac
[  494.279859][T11270]  device_register+0x28/0x38
[  494.281162][T11270]  tty_register_device_attr+0x3a4/0x7d4
[  494.282755][T11270]  tty_register_device+0x3c/0x50
[  494.284123][T11270]  gsm_activate_mux+0xdc/0x268
[  494.285463][T11270]  gsmld_ioctl+0x16f0/0x2310
[  494.286794][T11270]  tty_ioctl+0x924/0xd8c
[  494.287986][T11270]  __arm64_sys_ioctl+0x14c/0x1c8
[  494.289332][T11270]  invoke_syscall+0x98/0x2b8
[  494.290634][T11270]  el0_svc_common+0x130/0x23c
[  494.291922][T11270]  do_el0_svc+0x48/0x58
[  494.293084][T11270]  el0_svc+0x58/0x16c
[  494.294214][T11270]  el0t_64_sync_handler+0x84/0xfc
[  494.295623][T11270]  el0t_64_sync+0x190/0x194
[  494.302761][T11270] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.493149][T11274] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.497659][T11274] CPU: 1 PID: 11274 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  494.500495][T11274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  494.503264][T11274] Call trace:
[  494.504154][T11274]  dump_backtrace+0x1b8/0x1e4
[  494.505505][T11274]  show_stack+0x2c/0x44
[  494.506667][T11274]  dump_stack_lvl+0xd0/0x124
[  494.507944][T11274]  dump_stack+0x1c/0x28
[  494.509152][T11274]  sysfs_create_dir_ns+0x278/0x318
[  494.510588][T11274]  kobject_add_internal+0x514/0xadc
[  494.512040][T11274]  kobject_add+0x14c/0x224
[  494.513296][T11274]  device_add+0x3a0/0xaac
[  494.514500][T11274]  device_register+0x28/0x38
[  494.515767][T11274]  tty_register_device_attr+0x3a4/0x7d4
[  494.517262][T11274]  tty_register_device+0x3c/0x50
[  494.518594][T11274]  gsm_activate_mux+0xdc/0x268
[  494.519951][T11274]  gsmld_ioctl+0x16f0/0x2310
[  494.521179][T11274]  tty_ioctl+0x924/0xd8c
[  494.522304][T11274]  __arm64_sys_ioctl+0x14c/0x1c8
[  494.523661][T11274]  invoke_syscall+0x98/0x2b8
[  494.524872][T11274]  el0_svc_common+0x130/0x23c
[  494.526194][T11274]  do_el0_svc+0x48/0x58
[  494.527376][T11274]  el0_svc+0x58/0x16c
[  494.528457][T11274]  el0t_64_sync_handler+0x84/0xfc
[  494.529859][T11274]  el0t_64_sync+0x190/0x194
[  494.536100][T11274] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.540328][T11274] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.542844][T11274] CPU: 1 PID: 11274 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  494.545711][T11274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  494.548415][T11274] Call trace:
[  494.549347][T11274]  dump_backtrace+0x1b8/0x1e4
[  494.550601][T11274]  show_stack+0x2c/0x44
[  494.551736][T11274]  dump_stack_lvl+0xd0/0x124
[  494.552958][T11274]  dump_stack+0x1c/0x28
[  494.554115][T11274]  sysfs_create_dir_ns+0x278/0x318
[  494.555497][T11274]  kobject_add_internal+0x514/0xadc
[  494.556942][T11274]  kobject_add+0x14c/0x224
[  494.558144][T11274]  device_add+0x3a0/0xaac
[  494.559332][T11274]  device_register+0x28/0x38
[  494.560594][T11274]  tty_register_device_attr+0x3a4/0x7d4
[  494.562205][T11274]  tty_register_device+0x3c/0x50
[  494.563547][T11274]  gsm_activate_mux+0xdc/0x268
[  494.564870][T11274]  gsmld_ioctl+0x16f0/0x2310
[  494.566128][T11274]  tty_ioctl+0x924/0xd8c
[  494.567284][T11274]  __arm64_sys_ioctl+0x14c/0x1c8
[  494.568683][T11274]  invoke_syscall+0x98/0x2b8
[  494.570001][T11274]  el0_svc_common+0x130/0x23c
[  494.571270][T11274]  do_el0_svc+0x48/0x58
[  494.572410][T11274]  el0_svc+0x58/0x16c
[  494.573494][T11274]  el0t_64_sync_handler+0x84/0xfc
[  494.574901][T11274]  el0t_64_sync+0x190/0x194
[  494.580184][ T2174] ieee802154 phy0 wpan0: encryption failed: -22
[  494.581932][ T2174] ieee802154 phy1 wpan1: encryption failed: -22
[  494.584760][T11274] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.767178][T11277] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  494.769471][T11277] CPU: 1 PID: 11277 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  494.772226][T11277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  494.774899][T11277] Call trace:
[  494.775784][T11277]  dump_backtrace+0x1b8/0x1e4
[  494.777025][T11277]  show_stack+0x2c/0x44
[  494.778183][T11277]  dump_stack_lvl+0xd0/0x124
[  494.779469][T11277]  dump_stack+0x1c/0x28
[  494.780559][T11277]  sysfs_create_dir_ns+0x278/0x318
[  494.782074][T11277]  kobject_add_internal+0x514/0xadc
[  494.783502][T11277]  kobject_add+0x14c/0x224
[  494.784700][T11277]  device_add+0x3a0/0xaac
[  494.785898][T11277]  device_register+0x28/0x38
[  494.787126][T11277]  tty_register_device_attr+0x3a4/0x7d4
[  494.788670][T11277]  tty_register_device+0x3c/0x50
[  494.790020][T11277]  gsm_activate_mux+0xdc/0x268
[  494.791336][T11277]  gsmld_ioctl+0x16f0/0x2310
[  494.792585][T11277]  tty_ioctl+0x924/0xd8c
[  494.793798][T11277]  __arm64_sys_ioctl+0x14c/0x1c8
[  494.795172][T11277]  invoke_syscall+0x98/0x2b8
[  494.796431][T11277]  el0_svc_common+0x130/0x23c
[  494.797796][T11277]  do_el0_svc+0x48/0x58
[  494.798943][T11277]  el0_svc+0x58/0x16c
[  494.800042][T11277]  el0t_64_sync_handler+0x84/0xfc
[  494.801374][T11277]  el0t_64_sync+0x190/0x194
[  494.813887][T11277] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.001523][T11280] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.005546][T11280] CPU: 0 PID: 11280 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  495.008599][T11280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  495.011396][T11280] Call trace:
[  495.012305][T11280]  dump_backtrace+0x1b8/0x1e4
[  495.013702][T11280]  show_stack+0x2c/0x44
[  495.014858][T11280]  dump_stack_lvl+0xd0/0x124
[  495.016108][T11280]  dump_stack+0x1c/0x28
[  495.017200][T11280]  sysfs_create_dir_ns+0x278/0x318
[  495.018596][T11280]  kobject_add_internal+0x514/0xadc
[  495.019998][T11280]  kobject_add+0x14c/0x224
[  495.021210][T11280]  device_add+0x3a0/0xaac
[  495.022378][T11280]  device_register+0x28/0x38
[  495.023603][T11280]  tty_register_device_attr+0x3a4/0x7d4
[  495.025139][T11280]  tty_register_device+0x3c/0x50
[  495.026500][T11280]  gsm_activate_mux+0xdc/0x268
[  495.027830][T11280]  gsmld_ioctl+0x16f0/0x2310
[  495.029042][T11280]  tty_ioctl+0x924/0xd8c
[  495.030234][T11280]  __arm64_sys_ioctl+0x14c/0x1c8
[  495.031555][T11280]  invoke_syscall+0x98/0x2b8
[  495.032761][T11280]  el0_svc_common+0x130/0x23c
[  495.033998][T11280]  do_el0_svc+0x48/0x58
[  495.035192][T11280]  el0_svc+0x58/0x16c
[  495.036308][T11280]  el0t_64_sync_handler+0x84/0xfc
[  495.037704][T11280]  el0t_64_sync+0x190/0x194
[  495.064100][T11280] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.254986][T11283] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.258285][T11283] CPU: 1 PID: 11283 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  495.261277][T11283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  495.264059][T11283] Call trace:
[  495.264956][T11283]  dump_backtrace+0x1b8/0x1e4
[  495.266352][T11283]  show_stack+0x2c/0x44
[  495.267482][T11283]  dump_stack_lvl+0xd0/0x124
[  495.268761][T11283]  dump_stack+0x1c/0x28
[  495.269915][T11283]  sysfs_create_dir_ns+0x278/0x318
[  495.271318][T11283]  kobject_add_internal+0x514/0xadc
[  495.272757][T11283]  kobject_add+0x14c/0x224
[  495.273969][T11283]  device_add+0x3a0/0xaac
[  495.275152][T11283]  device_register+0x28/0x38
[  495.276377][T11283]  tty_register_device_attr+0x3a4/0x7d4
[  495.277919][T11283]  tty_register_device+0x3c/0x50
[  495.279315][T11283]  gsm_activate_mux+0xdc/0x268
[  495.280613][T11283]  gsmld_ioctl+0x16f0/0x2310
[  495.281899][T11283]  tty_ioctl+0x924/0xd8c
[  495.283104][T11283]  __arm64_sys_ioctl+0x14c/0x1c8
[  495.284434][T11283]  invoke_syscall+0x98/0x2b8
[  495.285776][T11283]  el0_svc_common+0x130/0x23c
[  495.287053][T11283]  do_el0_svc+0x48/0x58
[  495.288198][T11283]  el0_svc+0x58/0x16c
[  495.289314][T11283]  el0t_64_sync_handler+0x84/0xfc
[  495.290707][T11283]  el0t_64_sync+0x190/0x194
[  495.296191][T11283] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.302609][T11283] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.304895][T11283] CPU: 1 PID: 11283 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  495.307715][T11283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  495.310456][T11283] Call trace:
[  495.311387][T11283]  dump_backtrace+0x1b8/0x1e4
[  495.312704][T11283]  show_stack+0x2c/0x44
[  495.313821][T11283]  dump_stack_lvl+0xd0/0x124
[  495.315054][T11283]  dump_stack+0x1c/0x28
[  495.316186][T11283]  sysfs_create_dir_ns+0x278/0x318
[  495.317706][T11283]  kobject_add_internal+0x514/0xadc
[  495.319051][T11283]  kobject_add+0x14c/0x224
[  495.320286][T11283]  device_add+0x3a0/0xaac
[  495.321479][T11283]  device_register+0x28/0x38
[  495.322743][T11283]  tty_register_device_attr+0x3a4/0x7d4
[  495.324243][T11283]  tty_register_device+0x3c/0x50
[  495.325587][T11283]  gsm_activate_mux+0xdc/0x268
[  495.326859][T11283]  gsmld_ioctl+0x16f0/0x2310
[  495.328129][T11283]  tty_ioctl+0x924/0xd8c
[  495.329311][T11283]  __arm64_sys_ioctl+0x14c/0x1c8
[  495.330578][T11283]  invoke_syscall+0x98/0x2b8
[  495.331814][T11283]  el0_svc_common+0x130/0x23c
[  495.333163][T11283]  do_el0_svc+0x48/0x58
[  495.334337][T11283]  el0_svc+0x58/0x16c
[  495.335439][T11283]  el0t_64_sync_handler+0x84/0xfc
[  495.336868][T11283]  el0t_64_sync+0x190/0x194
[  495.349290][T11283] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.522388][T11286] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.525697][T11286] CPU: 0 PID: 11286 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  495.528543][T11286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  495.531251][T11286] Call trace:
[  495.532087][T11286]  dump_backtrace+0x1b8/0x1e4
[  495.533381][T11286]  show_stack+0x2c/0x44
[  495.534487][T11286]  dump_stack_lvl+0xd0/0x124
[  495.535772][T11286]  dump_stack+0x1c/0x28
[  495.536894][T11286]  sysfs_create_dir_ns+0x278/0x318
[  495.538300][T11286]  kobject_add_internal+0x514/0xadc
[  495.539800][T11286]  kobject_add+0x14c/0x224
[  495.541060][T11286]  device_add+0x3a0/0xaac
[  495.542242][T11286]  device_register+0x28/0x38
[  495.543468][T11286]  tty_register_device_attr+0x3a4/0x7d4
[  495.544990][T11286]  tty_register_device+0x3c/0x50
[  495.546351][T11286]  gsm_activate_mux+0xdc/0x268
[  495.547607][T11286]  gsmld_ioctl+0x16f0/0x2310
[  495.548829][T11286]  tty_ioctl+0x924/0xd8c
[  495.549975][T11286]  __arm64_sys_ioctl+0x14c/0x1c8
[  495.551294][T11286]  invoke_syscall+0x98/0x2b8
[  495.552518][T11286]  el0_svc_common+0x130/0x23c
[  495.553794][T11286]  do_el0_svc+0x48/0x58
[  495.554941][T11286]  el0_svc+0x58/0x16c
[  495.556017][T11286]  el0t_64_sync_handler+0x84/0xfc
[  495.557380][T11286]  el0t_64_sync+0x190/0x194
[  495.561280][T11286] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.566263][T11286] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.568782][T11286] CPU: 0 PID: 11286 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  495.571662][T11286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  495.574435][T11286] Call trace:
[  495.575326][T11286]  dump_backtrace+0x1b8/0x1e4
[  495.576625][T11286]  show_stack+0x2c/0x44
[  495.577730][T11286]  dump_stack_lvl+0xd0/0x124
[  495.578993][T11286]  dump_stack+0x1c/0x28
[  495.580123][T11286]  sysfs_create_dir_ns+0x278/0x318
[  495.581515][T11286]  kobject_add_internal+0x514/0xadc
[  495.582918][T11286]  kobject_add+0x14c/0x224
[  495.584131][T11286]  device_add+0x3a0/0xaac
[  495.585330][T11286]  device_register+0x28/0x38
[  495.586552][T11286]  tty_register_device_attr+0x3a4/0x7d4
[  495.588116][T11286]  tty_register_device+0x3c/0x50
[  495.589516][T11286]  gsm_activate_mux+0xdc/0x268
[  495.590836][T11286]  gsmld_ioctl+0x16f0/0x2310
[  495.592048][T11286]  tty_ioctl+0x924/0xd8c
[  495.593195][T11286]  __arm64_sys_ioctl+0x14c/0x1c8
[  495.594504][T11286]  invoke_syscall+0x98/0x2b8
[  495.595777][T11286]  el0_svc_common+0x130/0x23c
[  495.597055][T11286]  do_el0_svc+0x48/0x58
[  495.598198][T11286]  el0_svc+0x58/0x16c
[  495.599276][T11286]  el0t_64_sync_handler+0x84/0xfc
[  495.600651][T11286]  el0t_64_sync+0x190/0x194
[  495.602090][T11286] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.787427][T11289] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.789864][T11289] CPU: 1 PID: 11289 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  495.792771][T11289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  495.795599][T11289] Call trace:
[  495.796470][T11289]  dump_backtrace+0x1b8/0x1e4
[  495.797791][T11289]  show_stack+0x2c/0x44
[  495.798908][T11289]  dump_stack_lvl+0xd0/0x124
[  495.800195][T11289]  dump_stack+0x1c/0x28
[  495.801315][T11289]  sysfs_create_dir_ns+0x278/0x318
[  495.802747][T11289]  kobject_add_internal+0x514/0xadc
[  495.804205][T11289]  kobject_add+0x14c/0x224
[  495.805433][T11289]  device_add+0x3a0/0xaac
[  495.806698][T11289]  device_register+0x28/0x38
[  495.808006][T11289]  tty_register_device_attr+0x3a4/0x7d4
[  495.809556][T11289]  tty_register_device+0x3c/0x50
[  495.810871][T11289]  gsm_activate_mux+0xdc/0x268
[  495.812178][T11289]  gsmld_ioctl+0x16f0/0x2310
[  495.813456][T11289]  tty_ioctl+0x924/0xd8c
[  495.814591][T11289]  __arm64_sys_ioctl+0x14c/0x1c8
[  495.815953][T11289]  invoke_syscall+0x98/0x2b8
[  495.817139][T11289]  el0_svc_common+0x130/0x23c
[  495.818403][T11289]  do_el0_svc+0x48/0x58
[  495.819595][T11289]  el0_svc+0x58/0x16c
[  495.820695][T11289]  el0t_64_sync_handler+0x84/0xfc
[  495.822060][T11289]  el0t_64_sync+0x190/0x194
[  495.826058][T11289] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.833398][T11289] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  495.838686][T11289] CPU: 1 PID: 11289 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  495.841470][T11289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  495.844099][T11289] Call trace:
[  495.844994][T11289]  dump_backtrace+0x1b8/0x1e4
[  495.846308][T11289]  show_stack+0x2c/0x44
[  495.847460][T11289]  dump_stack_lvl+0xd0/0x124
[  495.848806][T11289]  dump_stack+0x1c/0x28
[  495.849988][T11289]  sysfs_create_dir_ns+0x278/0x318
[  495.851401][T11289]  kobject_add_internal+0x514/0xadc
[  495.852793][T11289]  kobject_add+0x14c/0x224
[  495.854037][T11289]  device_add+0x3a0/0xaac
[  495.855262][T11289]  device_register+0x28/0x38
[  495.856551][T11289]  tty_register_device_attr+0x3a4/0x7d4
[  495.858000][T11289]  tty_register_device+0x3c/0x50
[  495.859327][T11289]  gsm_activate_mux+0xdc/0x268
[  495.860660][T11289]  gsmld_ioctl+0x16f0/0x2310
[  495.861933][T11289]  tty_ioctl+0x924/0xd8c
[  495.863081][T11289]  __arm64_sys_ioctl+0x14c/0x1c8
[  495.864436][T11289]  invoke_syscall+0x98/0x2b8
[  495.865683][T11289]  el0_svc_common+0x130/0x23c
[  495.866980][T11289]  do_el0_svc+0x48/0x58
[  495.868078][T11289]  el0_svc+0x58/0x16c
[  495.869141][T11289]  el0t_64_sync_handler+0x84/0xfc
[  495.870505][T11289]  el0t_64_sync+0x190/0x194
[  495.877696][T11289] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.045544][T11292] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.048269][T11292] CPU: 1 PID: 11292 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  496.051123][T11292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  496.053908][T11292] Call trace:
[  496.054802][T11292]  dump_backtrace+0x1b8/0x1e4
[  496.056066][T11292]  show_stack+0x2c/0x44
[  496.057201][T11292]  dump_stack_lvl+0xd0/0x124
[  496.058430][T11292]  dump_stack+0x1c/0x28
[  496.059621][T11292]  sysfs_create_dir_ns+0x278/0x318
[  496.061042][T11292]  kobject_add_internal+0x514/0xadc
[  496.062491][T11292]  kobject_add+0x14c/0x224
[  496.063819][T11292]  device_add+0x3a0/0xaac
[  496.065029][T11292]  device_register+0x28/0x38
[  496.066227][T11292]  tty_register_device_attr+0x3a4/0x7d4
[  496.067751][T11292]  tty_register_device+0x3c/0x50
[  496.069101][T11292]  gsm_activate_mux+0xdc/0x268
[  496.070386][T11292]  gsmld_ioctl+0x16f0/0x2310
[  496.071678][T11292]  tty_ioctl+0x924/0xd8c
[  496.072819][T11292]  __arm64_sys_ioctl+0x14c/0x1c8
[  496.074105][T11292]  invoke_syscall+0x98/0x2b8
[  496.075324][T11292]  el0_svc_common+0x130/0x23c
[  496.076531][T11292]  do_el0_svc+0x48/0x58
[  496.077601][T11292]  el0_svc+0x58/0x16c
[  496.078687][T11292]  el0t_64_sync_handler+0x84/0xfc
[  496.080025][T11292]  el0t_64_sync+0x190/0x194
[  496.084932][T11292] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.272530][T11295] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.277329][T11295] CPU: 1 PID: 11295 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  496.280269][T11295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  496.283099][T11295] Call trace:
[  496.283967][T11295]  dump_backtrace+0x1b8/0x1e4
[  496.285277][T11295]  show_stack+0x2c/0x44
[  496.286430][T11295]  dump_stack_lvl+0xd0/0x124
[  496.287663][T11295]  dump_stack+0x1c/0x28
[  496.288835][T11295]  sysfs_create_dir_ns+0x278/0x318
[  496.290243][T11295]  kobject_add_internal+0x514/0xadc
[  496.291711][T11295]  kobject_add+0x14c/0x224
[  496.292989][T11295]  device_add+0x3a0/0xaac
[  496.294199][T11295]  device_register+0x28/0x38
[  496.295496][T11295]  tty_register_device_attr+0x3a4/0x7d4
[  496.297023][T11295]  tty_register_device+0x3c/0x50
[  496.298316][T11295]  gsm_activate_mux+0xdc/0x268
[  496.299632][T11295]  gsmld_ioctl+0x16f0/0x2310
[  496.300966][T11295]  tty_ioctl+0x924/0xd8c
[  496.302157][T11295]  __arm64_sys_ioctl+0x14c/0x1c8
[  496.303528][T11295]  invoke_syscall+0x98/0x2b8
[  496.304799][T11295]  el0_svc_common+0x130/0x23c
[  496.306034][T11295]  do_el0_svc+0x48/0x58
[  496.307175][T11295]  el0_svc+0x58/0x16c
[  496.308230][T11295]  el0t_64_sync_handler+0x84/0xfc
[  496.309663][T11295]  el0t_64_sync+0x190/0x194
[  496.318725][T11295] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.324521][T11295] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.327528][T11295] CPU: 1 PID: 11295 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  496.330378][T11295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  496.333121][T11295] Call trace:
[  496.334028][T11295]  dump_backtrace+0x1b8/0x1e4
[  496.335316][T11295]  show_stack+0x2c/0x44
[  496.336460][T11295]  dump_stack_lvl+0xd0/0x124
[  496.337742][T11295]  dump_stack+0x1c/0x28
[  496.338868][T11295]  sysfs_create_dir_ns+0x278/0x318
[  496.340321][T11295]  kobject_add_internal+0x514/0xadc
[  496.341759][T11295]  kobject_add+0x14c/0x224
[  496.342959][T11295]  device_add+0x3a0/0xaac
[  496.344192][T11295]  device_register+0x28/0x38
[  496.345472][T11295]  tty_register_device_attr+0x3a4/0x7d4
[  496.346973][T11295]  tty_register_device+0x3c/0x50
[  496.348311][T11295]  gsm_activate_mux+0xdc/0x268
[  496.349631][T11295]  gsmld_ioctl+0x16f0/0x2310
[  496.350893][T11295]  tty_ioctl+0x924/0xd8c
[  496.352057][T11295]  __arm64_sys_ioctl+0x14c/0x1c8
[  496.353375][T11295]  invoke_syscall+0x98/0x2b8
[  496.354613][T11295]  el0_svc_common+0x130/0x23c
[  496.355858][T11295]  do_el0_svc+0x48/0x58
[  496.357019][T11295]  el0_svc+0x58/0x16c
[  496.358088][T11295]  el0t_64_sync_handler+0x84/0xfc
[  496.359478][T11295]  el0t_64_sync+0x190/0x194
[  496.367450][T11295] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.531978][T11298] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.534221][T11298] CPU: 1 PID: 11298 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  496.537052][T11298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  496.539736][T11298] Call trace:
[  496.540640][T11298]  dump_backtrace+0x1b8/0x1e4
[  496.541944][T11298]  show_stack+0x2c/0x44
[  496.543083][T11298]  dump_stack_lvl+0xd0/0x124
[  496.544388][T11298]  dump_stack+0x1c/0x28
[  496.545550][T11298]  sysfs_create_dir_ns+0x278/0x318
[  496.547035][T11298]  kobject_add_internal+0x514/0xadc
[  496.548465][T11298]  kobject_add+0x14c/0x224
[  496.549686][T11298]  device_add+0x3a0/0xaac
[  496.550879][T11298]  device_register+0x28/0x38
[  496.552124][T11298]  tty_register_device_attr+0x3a4/0x7d4
[  496.553596][T11298]  tty_register_device+0x3c/0x50
[  496.554923][T11298]  gsm_activate_mux+0xdc/0x268
[  496.556208][T11298]  gsmld_ioctl+0x16f0/0x2310
[  496.557441][T11298]  tty_ioctl+0x924/0xd8c
[  496.558606][T11298]  __arm64_sys_ioctl+0x14c/0x1c8
[  496.559978][T11298]  invoke_syscall+0x98/0x2b8
[  496.561249][T11298]  el0_svc_common+0x130/0x23c
[  496.562490][T11298]  do_el0_svc+0x48/0x58
[  496.563633][T11298]  el0_svc+0x58/0x16c
[  496.564706][T11298]  el0t_64_sync_handler+0x84/0xfc
[  496.566072][T11298]  el0t_64_sync+0x190/0x194
[  496.571179][T11298] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.576992][T11298] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.579269][T11298] CPU: 1 PID: 11298 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  496.582029][T11298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  496.584695][T11298] Call trace:
[  496.585558][T11298]  dump_backtrace+0x1b8/0x1e4
[  496.586811][T11298]  show_stack+0x2c/0x44
[  496.587882][T11298]  dump_stack_lvl+0xd0/0x124
[  496.589161][T11298]  dump_stack+0x1c/0x28
[  496.590260][T11298]  sysfs_create_dir_ns+0x278/0x318
[  496.591725][T11298]  kobject_add_internal+0x514/0xadc
[  496.593185][T11298]  kobject_add+0x14c/0x224
[  496.594356][T11298]  device_add+0x3a0/0xaac
[  496.595525][T11298]  device_register+0x28/0x38
[  496.596778][T11298]  tty_register_device_attr+0x3a4/0x7d4
[  496.598296][T11298]  tty_register_device+0x3c/0x50
[  496.599679][T11298]  gsm_activate_mux+0xdc/0x268
[  496.600965][T11298]  gsmld_ioctl+0x16f0/0x2310
[  496.602172][T11298]  tty_ioctl+0x924/0xd8c
[  496.603340][T11298]  __arm64_sys_ioctl+0x14c/0x1c8
[  496.604710][T11298]  invoke_syscall+0x98/0x2b8
[  496.605899][T11298]  el0_svc_common+0x130/0x23c
[  496.607201][T11298]  do_el0_svc+0x48/0x58
[  496.608316][T11298]  el0_svc+0x58/0x16c
[  496.609426][T11298]  el0t_64_sync_handler+0x84/0xfc
[  496.610702][T11298]  el0t_64_sync+0x190/0x194
[  496.613992][T11298] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.784688][T11301] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  496.789513][T11301] CPU: 0 PID: 11301 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  496.792201][T11301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  496.794819][T11301] Call trace:
[  496.795735][T11301]  dump_backtrace+0x1b8/0x1e4
[  496.796965][T11301]  show_stack+0x2c/0x44
[  496.798119][T11301]  dump_stack_lvl+0xd0/0x124
[  496.799332][T11301]  dump_stack+0x1c/0x28
[  496.800474][T11301]  sysfs_create_dir_ns+0x278/0x318
[  496.801868][T11301]  kobject_add_internal+0x514/0xadc
[  496.803318][T11301]  kobject_add+0x14c/0x224
[  496.804484][T11301]  device_add+0x3a0/0xaac
[  496.805684][T11301]  device_register+0x28/0x38
[  496.806910][T11301]  tty_register_device_attr+0x3a4/0x7d4
[  496.808392][T11301]  tty_register_device+0x3c/0x50
[  496.809693][T11301]  gsm_activate_mux+0xdc/0x268
[  496.810925][T11301]  gsmld_ioctl+0x16f0/0x2310
[  496.812222][T11301]  tty_ioctl+0x924/0xd8c
[  496.813351][T11301]  __arm64_sys_ioctl+0x14c/0x1c8
[  496.814667][T11301]  invoke_syscall+0x98/0x2b8
[  496.815931][T11301]  el0_svc_common+0x130/0x23c
[  496.817269][T11301]  do_el0_svc+0x48/0x58
[  496.818406][T11301]  el0_svc+0x58/0x16c
[  496.819507][T11301]  el0t_64_sync_handler+0x84/0xfc
[  496.820855][T11301]  el0t_64_sync+0x190/0x194
[  496.826433][T11301] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.023945][T11304] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.027492][T11304] CPU: 1 PID: 11304 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  497.030333][T11304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  497.033061][T11304] Call trace:
[  497.033903][T11304]  dump_backtrace+0x1b8/0x1e4
[  497.035129][T11304]  show_stack+0x2c/0x44
[  497.036270][T11304]  dump_stack_lvl+0xd0/0x124
[  497.037559][T11304]  dump_stack+0x1c/0x28
[  497.038714][T11304]  sysfs_create_dir_ns+0x278/0x318
[  497.040103][T11304]  kobject_add_internal+0x514/0xadc
[  497.041508][T11304]  kobject_add+0x14c/0x224
[  497.042679][T11304]  device_add+0x3a0/0xaac
[  497.043861][T11304]  device_register+0x28/0x38
[  497.045081][T11304]  tty_register_device_attr+0x3a4/0x7d4
[  497.046594][T11304]  tty_register_device+0x3c/0x50
[  497.047930][T11304]  gsm_activate_mux+0xdc/0x268
[  497.049178][T11304]  gsmld_ioctl+0x16f0/0x2310
[  497.050394][T11304]  tty_ioctl+0x924/0xd8c
[  497.051550][T11304]  __arm64_sys_ioctl+0x14c/0x1c8
[  497.052883][T11304]  invoke_syscall+0x98/0x2b8
[  497.054168][T11304]  el0_svc_common+0x130/0x23c
[  497.055467][T11304]  do_el0_svc+0x48/0x58
[  497.056626][T11304]  el0_svc+0x58/0x16c
[  497.057732][T11304]  el0t_64_sync_handler+0x84/0xfc
[  497.059086][T11304]  el0t_64_sync+0x190/0x194
[  497.064593][T11304] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.074850][T11304] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.080505][T11304] CPU: 0 PID: 11304 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  497.083357][T11304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  497.086041][T11304] Call trace:
[  497.086948][T11304]  dump_backtrace+0x1b8/0x1e4
[  497.088228][T11304]  show_stack+0x2c/0x44
[  497.089344][T11304]  dump_stack_lvl+0xd0/0x124
[  497.090580][T11304]  dump_stack+0x1c/0x28
[  497.091733][T11304]  sysfs_create_dir_ns+0x278/0x318
[  497.093115][T11304]  kobject_add_internal+0x514/0xadc
[  497.094547][T11304]  kobject_add+0x14c/0x224
[  497.095770][T11304]  device_add+0x3a0/0xaac
[  497.096942][T11304]  device_register+0x28/0x38
[  497.098187][T11304]  tty_register_device_attr+0x3a4/0x7d4
[  497.099666][T11304]  tty_register_device+0x3c/0x50
[  497.101055][T11304]  gsm_activate_mux+0xdc/0x268
[  497.102336][T11304]  gsmld_ioctl+0x16f0/0x2310
[  497.103590][T11304]  tty_ioctl+0x924/0xd8c
[  497.104721][T11304]  __arm64_sys_ioctl+0x14c/0x1c8
[  497.106017][T11304]  invoke_syscall+0x98/0x2b8
[  497.107244][T11304]  el0_svc_common+0x130/0x23c
[  497.108534][T11304]  do_el0_svc+0x48/0x58
[  497.109684][T11304]  el0_svc+0x58/0x16c
[  497.110710][T11304]  el0t_64_sync_handler+0x84/0xfc
[  497.112062][T11304]  el0t_64_sync+0x190/0x194
[  497.113957][T11304] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.273911][T11307] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.277139][T11307] CPU: 1 PID: 11307 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  497.279988][T11307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  497.282785][T11307] Call trace:
[  497.283680][T11307]  dump_backtrace+0x1b8/0x1e4
[  497.284517][T11307]  show_stack+0x2c/0x44
[  497.285582][T11307]  dump_stack_lvl+0xd0/0x124
[  497.286837][T11307]  dump_stack+0x1c/0x28
[  497.288022][T11307]  sysfs_create_dir_ns+0x278/0x318
[  497.289445][T11307]  kobject_add_internal+0x514/0xadc
[  497.290868][T11307]  kobject_add+0x14c/0x224
[  497.292056][T11307]  device_add+0x3a0/0xaac
[  497.293245][T11307]  device_register+0x28/0x38
[  497.294470][T11307]  tty_register_device_attr+0x3a4/0x7d4
[  497.295942][T11307]  tty_register_device+0x3c/0x50
[  497.297299][T11307]  gsm_activate_mux+0xdc/0x268
[  497.298588][T11307]  gsmld_ioctl+0x16f0/0x2310
[  497.299884][T11307]  tty_ioctl+0x924/0xd8c
[  497.300988][T11307]  __arm64_sys_ioctl+0x14c/0x1c8
[  497.302350][T11307]  invoke_syscall+0x98/0x2b8
[  497.303607][T11307]  el0_svc_common+0x130/0x23c
[  497.304880][T11307]  do_el0_svc+0x48/0x58
[  497.305967][T11307]  el0_svc+0x58/0x16c
[  497.307083][T11307]  el0t_64_sync_handler+0x84/0xfc
[  497.308421][T11307]  el0t_64_sync+0x190/0x194
[  497.318454][T11307] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.324690][T11307] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.328135][T11307] CPU: 1 PID: 11307 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  497.330905][T11307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  497.333712][T11307] Call trace:
[  497.334536][T11307]  dump_backtrace+0x1b8/0x1e4
[  497.335860][T11307]  show_stack+0x2c/0x44
[  497.336986][T11307]  dump_stack_lvl+0xd0/0x124
[  497.338296][T11307]  dump_stack+0x1c/0x28
[  497.339387][T11307]  sysfs_create_dir_ns+0x278/0x318
[  497.340775][T11307]  kobject_add_internal+0x514/0xadc
[  497.342168][T11307]  kobject_add+0x14c/0x224
[  497.343390][T11307]  device_add+0x3a0/0xaac
[  497.344593][T11307]  device_register+0x28/0x38
[  497.345789][T11307]  tty_register_device_attr+0x3a4/0x7d4
[  497.347328][T11307]  tty_register_device+0x3c/0x50
[  497.348654][T11307]  gsm_activate_mux+0xdc/0x268
[  497.350008][T11307]  gsmld_ioctl+0x16f0/0x2310
[  497.351195][T11307]  tty_ioctl+0x924/0xd8c
[  497.352342][T11307]  __arm64_sys_ioctl+0x14c/0x1c8
[  497.353687][T11307]  invoke_syscall+0x98/0x2b8
[  497.354916][T11307]  el0_svc_common+0x130/0x23c
[  497.356170][T11307]  do_el0_svc+0x48/0x58
[  497.357238][T11307]  el0_svc+0x58/0x16c
[  497.358298][T11307]  el0t_64_sync_handler+0x84/0xfc
[  497.359722][T11307]  el0t_64_sync+0x190/0x194
[  497.364694][T11307] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.537135][T11310] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.539579][T11310] CPU: 1 PID: 11310 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  497.542437][T11310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  497.545195][T11310] Call trace:
[  497.546073][T11310]  dump_backtrace+0x1b8/0x1e4
[  497.547400][T11310]  show_stack+0x2c/0x44
[  497.548578][T11310]  dump_stack_lvl+0xd0/0x124
[  497.549871][T11310]  dump_stack+0x1c/0x28
[  497.550992][T11310]  sysfs_create_dir_ns+0x278/0x318
[  497.552410][T11310]  kobject_add_internal+0x514/0xadc
[  497.553862][T11310]  kobject_add+0x14c/0x224
[  497.555068][T11310]  device_add+0x3a0/0xaac
[  497.556279][T11310]  device_register+0x28/0x38
[  497.557544][T11310]  tty_register_device_attr+0x3a4/0x7d4
[  497.559068][T11310]  tty_register_device+0x3c/0x50
[  497.560336][T11310]  gsm_activate_mux+0xdc/0x268
[  497.561657][T11310]  gsmld_ioctl+0x16f0/0x2310
[  497.562915][T11310]  tty_ioctl+0x924/0xd8c
[  497.564093][T11310]  __arm64_sys_ioctl+0x14c/0x1c8
[  497.565485][T11310]  invoke_syscall+0x98/0x2b8
[  497.566732][T11310]  el0_svc_common+0x130/0x23c
[  497.567973][T11310]  do_el0_svc+0x48/0x58
[  497.569120][T11310]  el0_svc+0x58/0x16c
[  497.570239][T11310]  el0t_64_sync_handler+0x84/0xfc
[  497.571717][T11310]  el0t_64_sync+0x190/0x194
[  497.579475][T11310] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.583940][T11310] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.587250][T11310] CPU: 1 PID: 11310 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  497.590109][T11310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  497.592906][T11310] Call trace:
[  497.593771][T11310]  dump_backtrace+0x1b8/0x1e4
[  497.595087][T11310]  show_stack+0x2c/0x44
[  497.596269][T11310]  dump_stack_lvl+0xd0/0x124
[  497.597586][T11310]  dump_stack+0x1c/0x28
[  497.598695][T11310]  sysfs_create_dir_ns+0x278/0x318
[  497.600090][T11310]  kobject_add_internal+0x514/0xadc
[  497.601548][T11310]  kobject_add+0x14c/0x224
[  497.602753][T11310]  device_add+0x3a0/0xaac
[  497.603946][T11310]  device_register+0x28/0x38
[  497.605327][T11310]  tty_register_device_attr+0x3a4/0x7d4
[  497.606845][T11310]  tty_register_device+0x3c/0x50
[  497.608183][T11310]  gsm_activate_mux+0xdc/0x268
[  497.609476][T11310]  gsmld_ioctl+0x16f0/0x2310
[  497.610692][T11310]  tty_ioctl+0x924/0xd8c
[  497.611838][T11310]  __arm64_sys_ioctl+0x14c/0x1c8
[  497.613246][T11310]  invoke_syscall+0x98/0x2b8
[  497.614468][T11310]  el0_svc_common+0x130/0x23c
[  497.615764][T11310]  do_el0_svc+0x48/0x58
[  497.616930][T11310]  el0_svc+0x58/0x16c
[  497.618013][T11310]  el0t_64_sync_handler+0x84/0xfc
[  497.619379][T11310]  el0t_64_sync+0x190/0x194
[  497.622711][T11310] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.790777][T11313] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  497.793131][T11313] CPU: 0 PID: 11313 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  497.795964][T11313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  497.798814][T11313] Call trace:
[  497.799737][T11313]  dump_backtrace+0x1b8/0x1e4
[  497.801086][T11313]  show_stack+0x2c/0x44
[  497.802241][T11313]  dump_stack_lvl+0xd0/0x124
[  497.803632][T11313]  dump_stack+0x1c/0x28
[  497.804843][T11313]  sysfs_create_dir_ns+0x278/0x318
[  497.806283][T11313]  kobject_add_internal+0x514/0xadc
[  497.807732][T11313]  kobject_add+0x14c/0x224
[  497.808959][T11313]  device_add+0x3a0/0xaac
[  497.810122][T11313]  device_register+0x28/0x38
[  497.811376][T11313]  tty_register_device_attr+0x3a4/0x7d4
[  497.812944][T11313]  tty_register_device+0x3c/0x50
[  497.814308][T11313]  gsm_activate_mux+0xdc/0x268
[  497.815657][T11313]  gsmld_ioctl+0x16f0/0x2310
[  497.816892][T11313]  tty_ioctl+0x924/0xd8c
[  497.818056][T11313]  __arm64_sys_ioctl+0x14c/0x1c8
[  497.819431][T11313]  invoke_syscall+0x98/0x2b8
[  497.820718][T11313]  el0_svc_common+0x130/0x23c
[  497.822008][T11313]  do_el0_svc+0x48/0x58
[  497.823159][T11313]  el0_svc+0x58/0x16c
[  497.824269][T11313]  el0t_64_sync_handler+0x84/0xfc
[  497.825669][T11313]  el0t_64_sync+0x190/0x194
[  497.839265][T11313] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.023402][T11316] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  498.029833][T11316] CPU: 0 PID: 11316 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  498.032444][T11316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  498.034974][T11316] Call trace:
[  498.035818][T11316]  dump_backtrace+0x1b8/0x1e4
[  498.037069][T11316]  show_stack+0x2c/0x44
[  498.038185][T11316]  dump_stack_lvl+0xd0/0x124
[  498.039432][T11316]  dump_stack+0x1c/0x28
[  498.040585][T11316]  sysfs_create_dir_ns+0x278/0x318
[  498.041967][T11316]  kobject_add_internal+0x514/0xadc
[  498.043375][T11316]  kobject_add+0x14c/0x224
[  498.044534][T11316]  device_add+0x3a0/0xaac
[  498.045691][T11316]  device_register+0x28/0x38
[  498.046886][T11316]  tty_register_device_attr+0x3a4/0x7d4
[  498.048307][T11316]  tty_register_device+0x3c/0x50
[  498.049583][T11316]  gsm_activate_mux+0xdc/0x268
[  498.050865][T11316]  gsmld_ioctl+0x16f0/0x2310
[  498.052085][T11316]  tty_ioctl+0x924/0xd8c
[  498.053271][T11316]  __arm64_sys_ioctl+0x14c/0x1c8
[  498.054636][T11316]  invoke_syscall+0x98/0x2b8
[  498.055889][T11316]  el0_svc_common+0x130/0x23c
[  498.057195][T11316]  do_el0_svc+0x48/0x58
[  498.058267][T11316]  el0_svc+0x58/0x16c
[  498.059303][T11316]  el0t_64_sync_handler+0x84/0xfc
[  498.060689][T11316]  el0t_64_sync+0x190/0x194
[  498.067721][T11316] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.264253][T11319] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  498.267655][T11319] CPU: 0 PID: 11319 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  498.270402][T11319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  498.273016][T11319] Call trace:
[  498.273918][T11319]  dump_backtrace+0x1b8/0x1e4
[  498.275172][T11319]  show_stack+0x2c/0x44
[  498.276267][T11319]  dump_stack_lvl+0xd0/0x124
[  498.277501][T11319]  dump_stack+0x1c/0x28
[  498.278686][T11319]  sysfs_create_dir_ns+0x278/0x318
[  498.280079][T11319]  kobject_add_internal+0x514/0xadc
[  498.281484][T11319]  kobject_add+0x14c/0x224
[  498.282722][T11319]  device_add+0x3a0/0xaac
[  498.283951][T11319]  device_register+0x28/0x38
[  498.285219][T11319]  tty_register_device_attr+0x3a4/0x7d4
[  498.286769][T11319]  tty_register_device+0x3c/0x50
[  498.288098][T11319]  gsm_activate_mux+0xdc/0x268
[  498.289424][T11319]  gsmld_ioctl+0x16f0/0x2310
[  498.290684][T11319]  tty_ioctl+0x924/0xd8c
[  498.291822][T11319]  __arm64_sys_ioctl+0x14c/0x1c8
[  498.293206][T11319]  invoke_syscall+0x98/0x2b8
[  498.294441][T11319]  el0_svc_common+0x130/0x23c
[  498.295713][T11319]  do_el0_svc+0x48/0x58
[  498.296818][T11319]  el0_svc+0x58/0x16c
[  498.297969][T11319]  el0t_64_sync_handler+0x84/0xfc
[  498.299399][T11319]  el0t_64_sync+0x190/0x194
[  498.303986][T11319] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.500068][T11322] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  498.506096][T11322] CPU: 1 PID: 11322 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  498.508989][T11322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  498.511740][T11322] Call trace:
[  498.512637][T11322]  dump_backtrace+0x1b8/0x1e4
[  498.513939][T11322]  show_stack+0x2c/0x44
[  498.515075][T11322]  dump_stack_lvl+0xd0/0x124
[  498.516346][T11322]  dump_stack+0x1c/0x28
[  498.517484][T11322]  sysfs_create_dir_ns+0x278/0x318
[  498.518903][T11322]  kobject_add_internal+0x514/0xadc
[  498.520301][T11322]  kobject_add+0x14c/0x224
[  498.521476][T11322]  device_add+0x3a0/0xaac
[  498.522752][T11322]  device_register+0x28/0x38
[  498.524003][T11322]  tty_register_device_attr+0x3a4/0x7d4
[  498.525520][T11322]  tty_register_device+0x3c/0x50
[  498.526910][T11322]  gsm_activate_mux+0xdc/0x268
[  498.528234][T11322]  gsmld_ioctl+0x16f0/0x2310
[  498.529491][T11322]  tty_ioctl+0x924/0xd8c
[  498.530657][T11322]  __arm64_sys_ioctl+0x14c/0x1c8
[  498.531996][T11322]  invoke_syscall+0x98/0x2b8
[  498.533277][T11322]  el0_svc_common+0x130/0x23c
[  498.534593][T11322]  do_el0_svc+0x48/0x58
[  498.535723][T11322]  el0_svc+0x58/0x16c
[  498.536778][T11322]  el0t_64_sync_handler+0x84/0xfc
[  498.538229][T11322]  el0t_64_sync+0x190/0x194
[  498.546883][T11322] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.732274][T11325] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  498.734541][T11325] CPU: 1 PID: 11325 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  498.737386][T11325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  498.740161][T11325] Call trace:
[  498.741064][T11325]  dump_backtrace+0x1b8/0x1e4
[  498.742343][T11325]  show_stack+0x2c/0x44
[  498.743517][T11325]  dump_stack_lvl+0xd0/0x124
[  498.744827][T11325]  dump_stack+0x1c/0x28
[  498.745952][T11325]  sysfs_create_dir_ns+0x278/0x318
[  498.747365][T11325]  kobject_add_internal+0x514/0xadc
[  498.748871][T11325]  kobject_add+0x14c/0x224
[  498.750057][T11325]  device_add+0x3a0/0xaac
[  498.751262][T11325]  device_register+0x28/0x38
[  498.752475][T11325]  tty_register_device_attr+0x3a4/0x7d4
[  498.754010][T11325]  tty_register_device+0x3c/0x50
[  498.755376][T11325]  gsm_activate_mux+0xdc/0x268
[  498.756635][T11325]  gsmld_ioctl+0x16f0/0x2310
[  498.757869][T11325]  tty_ioctl+0x924/0xd8c
[  498.759029][T11325]  __arm64_sys_ioctl+0x14c/0x1c8
[  498.760430][T11325]  invoke_syscall+0x98/0x2b8
[  498.761716][T11325]  el0_svc_common+0x130/0x23c
[  498.763020][T11325]  do_el0_svc+0x48/0x58
[  498.764153][T11325]  el0_svc+0x58/0x16c
[  498.765239][T11325]  el0t_64_sync_handler+0x84/0xfc
[  498.766630][T11325]  el0t_64_sync+0x190/0x194
[  498.772330][T11325] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.968746][T11328] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  498.971113][T11328] CPU: 0 PID: 11328 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  498.974004][T11328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  498.976704][T11328] Call trace:
[  498.977597][T11328]  dump_backtrace+0x1b8/0x1e4
[  498.978879][T11328]  show_stack+0x2c/0x44
[  498.980034][T11328]  dump_stack_lvl+0xd0/0x124
[  498.981321][T11328]  dump_stack+0x1c/0x28
[  498.982409][T11328]  sysfs_create_dir_ns+0x278/0x318
[  498.983781][T11328]  kobject_add_internal+0x514/0xadc
[  498.985247][T11328]  kobject_add+0x14c/0x224
[  498.986493][T11328]  device_add+0x3a0/0xaac
[  498.987644][T11328]  device_register+0x28/0x38
[  498.988892][T11328]  tty_register_device_attr+0x3a4/0x7d4
[  498.990461][T11328]  tty_register_device+0x3c/0x50
[  498.991854][T11328]  gsm_activate_mux+0xdc/0x268
[  498.993183][T11328]  gsmld_ioctl+0x16f0/0x2310
[  498.994438][T11328]  tty_ioctl+0x924/0xd8c
[  498.995617][T11328]  __arm64_sys_ioctl+0x14c/0x1c8
[  498.996942][T11328]  invoke_syscall+0x98/0x2b8
[  498.998247][T11328]  el0_svc_common+0x130/0x23c
[  498.999532][T11328]  do_el0_svc+0x48/0x58
[  499.000708][T11328]  el0_svc+0x58/0x16c
[  499.001782][T11328]  el0t_64_sync_handler+0x84/0xfc
[  499.003209][T11328]  el0t_64_sync+0x190/0x194
[  499.007116][T11328] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.019451][T11329] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  499.025247][T11329] CPU: 0 PID: 11329 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  499.028045][T11329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  499.030774][T11329] Call trace:
[  499.031655][T11329]  dump_backtrace+0x1b8/0x1e4
[  499.032928][T11329]  show_stack+0x2c/0x44
[  499.034081][T11329]  dump_stack_lvl+0xd0/0x124
[  499.035344][T11329]  dump_stack+0x1c/0x28
[  499.036473][T11329]  sysfs_create_dir_ns+0x278/0x318
[  499.037857][T11329]  kobject_add_internal+0x514/0xadc
[  499.039258][T11329]  kobject_add+0x14c/0x224
[  499.040455][T11329]  device_add+0x3a0/0xaac
[  499.041657][T11329]  device_register+0x28/0x38
[  499.042937][T11329]  tty_register_device_attr+0x3a4/0x7d4
[  499.044456][T11329]  tty_register_device+0x3c/0x50
[  499.045846][T11329]  gsm_activate_mux+0xdc/0x268
[  499.047114][T11329]  gsmld_ioctl+0x16f0/0x2310
[  499.048364][T11329]  tty_ioctl+0x924/0xd8c
[  499.049523][T11329]  __arm64_sys_ioctl+0x14c/0x1c8
[  499.050882][T11329]  invoke_syscall+0x98/0x2b8
[  499.052152][T11329]  el0_svc_common+0x130/0x23c
[  499.053398][T11329]  do_el0_svc+0x48/0x58
[  499.054550][T11329]  el0_svc+0x58/0x16c
[  499.055693][T11329]  el0t_64_sync_handler+0x84/0xfc
[  499.057097][T11329]  el0t_64_sync+0x190/0x194
[  499.060106][T11329] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.386742][T11332] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  499.389071][T11332] CPU: 0 PID: 11332 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  499.391764][T11332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  499.394303][T11332] Call trace:
[  499.395175][T11332]  dump_backtrace+0x1b8/0x1e4
[  499.396470][T11332]  show_stack+0x2c/0x44
[  499.397603][T11332]  dump_stack_lvl+0xd0/0x124
[  499.398886][T11332]  dump_stack+0x1c/0x28
[  499.400057][T11332]  sysfs_create_dir_ns+0x278/0x318
[  499.401503][T11332]  kobject_add_internal+0x514/0xadc
[  499.402931][T11332]  kobject_add+0x14c/0x224
[  499.404144][T11332]  device_add+0x3a0/0xaac
[  499.405342][T11332]  device_register+0x28/0x38
[  499.406605][T11332]  tty_register_device_attr+0x3a4/0x7d4
[  499.408129][T11332]  tty_register_device+0x3c/0x50
[  499.409492][T11332]  gsm_activate_mux+0xdc/0x268
[  499.410812][T11332]  gsmld_ioctl+0x16f0/0x2310
[  499.412099][T11332]  tty_ioctl+0x924/0xd8c
[  499.413266][T11332]  __arm64_sys_ioctl+0x14c/0x1c8
[  499.414671][T11332]  invoke_syscall+0x98/0x2b8
[  499.415942][T11332]  el0_svc_common+0x130/0x23c
[  499.417179][T11332]  do_el0_svc+0x48/0x58
[  499.418262][T11332]  el0_svc+0x58/0x16c
[  499.419334][T11332]  el0t_64_sync_handler+0x84/0xfc
[  499.420653][T11332]  el0t_64_sync+0x190/0x194
[  499.425302][T11332] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.670051][T11335] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  499.672333][T11335] CPU: 1 PID: 11335 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  499.675127][T11335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  499.677886][T11335] Call trace:
[  499.678779][T11335]  dump_backtrace+0x1b8/0x1e4
[  499.680089][T11335]  show_stack+0x2c/0x44
[  499.681263][T11335]  dump_stack_lvl+0xd0/0x124
[  499.682551][T11335]  dump_stack+0x1c/0x28
[  499.683746][T11335]  sysfs_create_dir_ns+0x278/0x318
[  499.685182][T11335]  kobject_add_internal+0x514/0xadc
[  499.686693][T11335]  kobject_add+0x14c/0x224
[  499.687943][T11335]  device_add+0x3a0/0xaac
[  499.689167][T11335]  device_register+0x28/0x38
[  499.690440][T11335]  tty_register_device_attr+0x3a4/0x7d4
[  499.691982][T11335]  tty_register_device+0x3c/0x50
[  499.693276][T11335]  gsm_activate_mux+0xdc/0x268
[  499.694577][T11335]  gsmld_ioctl+0x16f0/0x2310
[  499.695831][T11335]  tty_ioctl+0x924/0xd8c
[  499.697019][T11335]  __arm64_sys_ioctl+0x14c/0x1c8
[  499.698308][T11335]  invoke_syscall+0x98/0x2b8
[  499.699601][T11335]  el0_svc_common+0x130/0x23c
[  499.700881][T11335]  do_el0_svc+0x48/0x58
[  499.702043][T11335]  el0_svc+0x58/0x16c
[  499.703193][T11335]  el0t_64_sync_handler+0x84/0xfc
[  499.704602][T11335]  el0t_64_sync+0x190/0x194
[  499.715528][T11335] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.143773][T11338] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  500.146380][T11338] CPU: 1 PID: 11338 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  500.149223][T11338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  500.151966][T11338] Call trace:
[  500.152888][T11338]  dump_backtrace+0x1b8/0x1e4
[  500.154141][T11338]  show_stack+0x2c/0x44
[  500.155256][T11338]  dump_stack_lvl+0xd0/0x124
[  500.156483][T11338]  dump_stack+0x1c/0x28
[  500.157615][T11338]  sysfs_create_dir_ns+0x278/0x318
[  500.159000][T11338]  kobject_add_internal+0x514/0xadc
[  500.160425][T11338]  kobject_add+0x14c/0x224
[  500.161626][T11338]  device_add+0x3a0/0xaac
[  500.162809][T11338]  device_register+0x28/0x38
[  500.164070][T11338]  tty_register_device_attr+0x3a4/0x7d4
[  500.165532][T11338]  tty_register_device+0x3c/0x50
[  500.166845][T11338]  gsm_activate_mux+0xdc/0x268
[  500.168101][T11338]  gsmld_ioctl+0x16f0/0x2310
[  500.169324][T11338]  tty_ioctl+0x924/0xd8c
[  500.170480][T11338]  __arm64_sys_ioctl+0x14c/0x1c8
[  500.171784][T11338]  invoke_syscall+0x98/0x2b8
[  500.173029][T11338]  el0_svc_common+0x130/0x23c
[  500.174284][T11338]  do_el0_svc+0x48/0x58
[  500.175379][T11338]  el0_svc+0x58/0x16c
[  500.176436][T11338]  el0t_64_sync_handler+0x84/0xfc
[  500.177777][T11338]  el0t_64_sync+0x190/0x194
[  500.226954][T11338] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.483499][T11341] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  500.488293][T11341] CPU: 0 PID: 11341 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  500.491079][T11341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  500.493617][T11341] Call trace:
[  500.494441][T11341]  dump_backtrace+0x1b8/0x1e4
[  500.495607][T11341]  show_stack+0x2c/0x44
[  500.496731][T11341]  dump_stack_lvl+0xd0/0x124
[  500.497990][T11341]  dump_stack+0x1c/0x28
[  500.499147][T11341]  sysfs_create_dir_ns+0x278/0x318
[  500.500617][T11341]  kobject_add_internal+0x514/0xadc
[  500.502026][T11341]  kobject_add+0x14c/0x224
[  500.503259][T11341]  device_add+0x3a0/0xaac
[  500.504467][T11341]  device_register+0x28/0x38
[  500.505702][T11341]  tty_register_device_attr+0x3a4/0x7d4
[  500.507267][T11341]  tty_register_device+0x3c/0x50
[  500.508611][T11341]  gsm_activate_mux+0xdc/0x268
[  500.509888][T11341]  gsmld_ioctl+0x16f0/0x2310
[  500.511145][T11341]  tty_ioctl+0x924/0xd8c
[  500.512350][T11341]  __arm64_sys_ioctl+0x14c/0x1c8
[  500.513712][T11341]  invoke_syscall+0x98/0x2b8
[  500.514962][T11341]  el0_svc_common+0x130/0x23c
[  500.516202][T11341]  do_el0_svc+0x48/0x58
[  500.517328][T11341]  el0_svc+0x58/0x16c
[  500.518381][T11341]  el0t_64_sync_handler+0x84/0xfc
[  500.519798][T11341]  el0t_64_sync+0x190/0x194
[  500.531341][T11341] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.981533][T11344] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  500.989496][T11344] CPU: 0 PID: 11344 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  500.992343][T11344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  500.994947][T11344] Call trace:
[  500.995806][T11344]  dump_backtrace+0x1b8/0x1e4
[  500.997055][T11344]  show_stack+0x2c/0x44
[  500.998164][T11344]  dump_stack_lvl+0xd0/0x124
[  500.999419][T11344]  dump_stack+0x1c/0x28
[  501.000525][T11344]  sysfs_create_dir_ns+0x278/0x318
[  501.001948][T11344]  kobject_add_internal+0x514/0xadc
[  501.003391][T11344]  kobject_add+0x14c/0x224
[  501.004625][T11344]  device_add+0x3a0/0xaac
[  501.005810][T11344]  device_register+0x28/0x38
[  501.007042][T11344]  tty_register_device_attr+0x3a4/0x7d4
[  501.008535][T11344]  tty_register_device+0x3c/0x50
[  501.009880][T11344]  gsm_activate_mux+0xdc/0x268
[  501.011184][T11344]  gsmld_ioctl+0x16f0/0x2310
[  501.012494][T11344]  tty_ioctl+0x924/0xd8c
[  501.013683][T11344]  __arm64_sys_ioctl+0x14c/0x1c8
[  501.015027][T11344]  invoke_syscall+0x98/0x2b8
[  501.016268][T11344]  el0_svc_common+0x130/0x23c
[  501.017521][T11344]  do_el0_svc+0x48/0x58
[  501.018686][T11344]  el0_svc+0x58/0x16c
[  501.019782][T11344]  el0t_64_sync_handler+0x84/0xfc
[  501.021200][T11344]  el0t_64_sync+0x190/0x194
[  501.034764][T11344] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.430858][T11347] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  501.433747][T11347] CPU: 1 PID: 11347 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  501.436653][T11347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  501.439480][T11347] Call trace:
[  501.440378][T11347]  dump_backtrace+0x1b8/0x1e4
[  501.441636][T11347]  show_stack+0x2c/0x44
[  501.442803][T11347]  dump_stack_lvl+0xd0/0x124
[  501.444093][T11347]  dump_stack+0x1c/0x28
[  501.445219][T11347]  sysfs_create_dir_ns+0x278/0x318
[  501.446638][T11347]  kobject_add_internal+0x514/0xadc
[  501.448029][T11347]  kobject_add+0x14c/0x224
[  501.449229][T11347]  device_add+0x3a0/0xaac
[  501.450437][T11347]  device_register+0x28/0x38
[  501.451770][T11347]  tty_register_device_attr+0x3a4/0x7d4
[  501.453238][T11347]  tty_register_device+0x3c/0x50
[  501.454602][T11347]  gsm_activate_mux+0xdc/0x268
[  501.455914][T11347]  gsmld_ioctl+0x16f0/0x2310
[  501.457177][T11347]  tty_ioctl+0x924/0xd8c
[  501.458344][T11347]  __arm64_sys_ioctl+0x14c/0x1c8
[  501.459663][T11347]  invoke_syscall+0x98/0x2b8
[  501.460912][T11347]  el0_svc_common+0x130/0x23c
[  501.462141][T11347]  do_el0_svc+0x48/0x58
[  501.463236][T11347]  el0_svc+0x58/0x16c
[  501.464358][T11347]  el0t_64_sync_handler+0x84/0xfc
[  501.465721][T11347]  el0t_64_sync+0x190/0x194
[  501.468311][T11347] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.723547][T11350] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  501.728091][T11350] CPU: 1 PID: 11350 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  501.731014][T11350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  501.733747][T11350] Call trace:
[  501.734618][T11350]  dump_backtrace+0x1b8/0x1e4
[  501.735953][T11350]  show_stack+0x2c/0x44
[  501.737118][T11350]  dump_stack_lvl+0xd0/0x124
[  501.738267][T11350]  dump_stack+0x1c/0x28
[  501.739378][T11350]  sysfs_create_dir_ns+0x278/0x318
[  501.740806][T11350]  kobject_add_internal+0x514/0xadc
[  501.742246][T11350]  kobject_add+0x14c/0x224
[  501.743516][T11350]  device_add+0x3a0/0xaac
[  501.744691][T11350]  device_register+0x28/0x38
[  501.745938][T11350]  tty_register_device_attr+0x3a4/0x7d4
[  501.747447][T11350]  tty_register_device+0x3c/0x50
[  501.748799][T11350]  gsm_activate_mux+0xdc/0x268
[  501.750121][T11350]  gsmld_ioctl+0x16f0/0x2310
[  501.751359][T11350]  tty_ioctl+0x924/0xd8c
[  501.752537][T11350]  __arm64_sys_ioctl+0x14c/0x1c8
[  501.753870][T11350]  invoke_syscall+0x98/0x2b8
[  501.755110][T11350]  el0_svc_common+0x130/0x23c
[  501.756372][T11350]  do_el0_svc+0x48/0x58
[  501.757539][T11350]  el0_svc+0x58/0x16c
[  501.758689][T11350]  el0t_64_sync_handler+0x84/0xfc
[  501.760103][T11350]  el0t_64_sync+0x190/0x194
[  501.770794][T11350] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.960537][T11353] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  501.962790][T11353] CPU: 0 PID: 11353 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  501.965507][T11353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  501.968215][T11353] Call trace:
[  501.969107][T11353]  dump_backtrace+0x1b8/0x1e4
[  501.970387][T11353]  show_stack+0x2c/0x44
[  501.971541][T11353]  dump_stack_lvl+0xd0/0x124
[  501.972766][T11353]  dump_stack+0x1c/0x28
[  501.973890][T11353]  sysfs_create_dir_ns+0x278/0x318
[  501.975222][T11353]  kobject_add_internal+0x514/0xadc
[  501.976658][T11353]  kobject_add+0x14c/0x224
[  501.977874][T11353]  device_add+0x3a0/0xaac
[  501.979086][T11353]  device_register+0x28/0x38
[  501.980301][T11353]  tty_register_device_attr+0x3a4/0x7d4
[  501.981851][T11353]  tty_register_device+0x3c/0x50
[  501.983297][T11353]  gsm_activate_mux+0xdc/0x268
[  501.984630][T11353]  gsmld_ioctl+0x16f0/0x2310
[  501.985947][T11353]  tty_ioctl+0x924/0xd8c
[  501.987172][T11353]  __arm64_sys_ioctl+0x14c/0x1c8
[  501.988486][T11353]  invoke_syscall+0x98/0x2b8
[  501.989782][T11353]  el0_svc_common+0x130/0x23c
[  501.991050][T11353]  do_el0_svc+0x48/0x58
[  501.992147][T11353]  el0_svc+0x58/0x16c
[  501.993206][T11353]  el0t_64_sync_handler+0x84/0xfc
[  501.994541][T11353]  el0t_64_sync+0x190/0x194
[  502.019520][T11353] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.209928][T11356] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  502.213151][T11356] CPU: 1 PID: 11356 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  502.216185][T11356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  502.219027][T11356] Call trace:
[  502.219922][T11356]  dump_backtrace+0x1b8/0x1e4
[  502.221241][T11356]  show_stack+0x2c/0x44
[  502.222394][T11356]  dump_stack_lvl+0xd0/0x124
[  502.223706][T11356]  dump_stack+0x1c/0x28
[  502.224922][T11356]  sysfs_create_dir_ns+0x278/0x318
[  502.226349][T11356]  kobject_add_internal+0x514/0xadc
[  502.227832][T11356]  kobject_add+0x14c/0x224
[  502.229114][T11356]  device_add+0x3a0/0xaac
[  502.230322][T11356]  device_register+0x28/0x38
[  502.231607][T11356]  tty_register_device_attr+0x3a4/0x7d4
[  502.233215][T11356]  tty_register_device+0x3c/0x50
[  502.234642][T11356]  gsm_activate_mux+0xdc/0x268
[  502.235917][T11356]  gsmld_ioctl+0x16f0/0x2310
[  502.237283][T11356]  tty_ioctl+0x924/0xd8c
[  502.238477][T11356]  __arm64_sys_ioctl+0x14c/0x1c8
[  502.239894][T11356]  invoke_syscall+0x98/0x2b8
[  502.241190][T11356]  el0_svc_common+0x130/0x23c
[  502.242520][T11356]  do_el0_svc+0x48/0x58
[  502.243730][T11356]  el0_svc+0x58/0x16c
[  502.244838][T11356]  el0t_64_sync_handler+0x84/0xfc
[  502.246235][T11356]  el0t_64_sync+0x190/0x194
[  502.271736][T11356] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.624518][T11358] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  502.627863][T11358] CPU: 1 PID: 11358 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  502.630876][T11358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  502.633663][T11358] Call trace:
[  502.634530][T11358]  dump_backtrace+0x1b8/0x1e4
[  502.635858][T11358]  show_stack+0x2c/0x44
[  502.636977][T11358]  dump_stack_lvl+0xd0/0x124
[  502.638263][T11358]  dump_stack+0x1c/0x28
[  502.639381][T11358]  sysfs_create_dir_ns+0x278/0x318
[  502.640819][T11358]  kobject_add_internal+0x514/0xadc
[  502.642229][T11358]  kobject_add+0x14c/0x224
[  502.643467][T11358]  device_add+0x3a0/0xaac
[  502.644652][T11358]  device_register+0x28/0x38
[  502.645955][T11358]  tty_register_device_attr+0x3a4/0x7d4
[  502.647484][T11358]  tty_register_device+0x3c/0x50
[  502.648815][T11358]  gsm_activate_mux+0xdc/0x268
[  502.650127][T11358]  gsmld_ioctl+0x16f0/0x2310
[  502.651391][T11358]  tty_ioctl+0x924/0xd8c
[  502.652510][T11358]  __arm64_sys_ioctl+0x14c/0x1c8
[  502.653892][T11358]  invoke_syscall+0x98/0x2b8
[  502.655132][T11358]  el0_svc_common+0x130/0x23c
[  502.656426][T11358]  do_el0_svc+0x48/0x58
[  502.657536][T11358]  el0_svc+0x58/0x16c
[  502.658662][T11358]  el0t_64_sync_handler+0x84/0xfc
[  502.659980][T11358]  el0t_64_sync+0x190/0x194
[  502.665940][T11358] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.923580][T11362] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  502.929459][T11362] CPU: 0 PID: 11362 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  502.932276][T11362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  502.934984][T11362] Call trace:
[  502.935849][T11362]  dump_backtrace+0x1b8/0x1e4
[  502.937140][T11362]  show_stack+0x2c/0x44
[  502.938243][T11362]  dump_stack_lvl+0xd0/0x124
[  502.939540][T11362]  dump_stack+0x1c/0x28
[  502.940730][T11362]  sysfs_create_dir_ns+0x278/0x318
[  502.942057][T11362]  kobject_add_internal+0x514/0xadc
[  502.943519][T11362]  kobject_add+0x14c/0x224
[  502.944738][T11362]  device_add+0x3a0/0xaac
[  502.945913][T11362]  device_register+0x28/0x38
[  502.947245][T11362]  tty_register_device_attr+0x3a4/0x7d4
[  502.948814][T11362]  tty_register_device+0x3c/0x50
[  502.950170][T11362]  gsm_activate_mux+0xdc/0x268
[  502.951409][T11362]  gsmld_ioctl+0x16f0/0x2310
[  502.952720][T11362]  tty_ioctl+0x924/0xd8c
[  502.953943][T11362]  __arm64_sys_ioctl+0x14c/0x1c8
[  502.955248][T11362]  invoke_syscall+0x98/0x2b8
[  502.956486][T11362]  el0_svc_common+0x130/0x23c
[  502.957767][T11362]  do_el0_svc+0x48/0x58
[  502.958874][T11362]  el0_svc+0x58/0x16c
[  502.959902][T11362]  el0t_64_sync_handler+0x84/0xfc
[  502.961271][T11362]  el0t_64_sync+0x190/0x194
[  502.969196][T11362] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.163643][T11365] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.168984][T11365] CPU: 0 PID: 11365 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  503.171699][T11365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  503.174308][T11365] Call trace:
[  503.175182][T11365]  dump_backtrace+0x1b8/0x1e4
[  503.176440][T11365]  show_stack+0x2c/0x44
[  503.177592][T11365]  dump_stack_lvl+0xd0/0x124
[  503.178844][T11365]  dump_stack+0x1c/0x28
[  503.179942][T11365]  sysfs_create_dir_ns+0x278/0x318
[  503.181307][T11365]  kobject_add_internal+0x514/0xadc
[  503.182769][T11365]  kobject_add+0x14c/0x224
[  503.183920][T11365]  device_add+0x3a0/0xaac
[  503.185110][T11365]  device_register+0x28/0x38
[  503.186361][T11365]  tty_register_device_attr+0x3a4/0x7d4
[  503.187927][T11365]  tty_register_device+0x3c/0x50
[  503.189276][T11365]  gsm_activate_mux+0xdc/0x268
[  503.190521][T11365]  gsmld_ioctl+0x16f0/0x2310
[  503.191804][T11365]  tty_ioctl+0x924/0xd8c
[  503.192970][T11365]  __arm64_sys_ioctl+0x14c/0x1c8
[  503.194283][T11365]  invoke_syscall+0x98/0x2b8
[  503.195496][T11365]  el0_svc_common+0x130/0x23c
[  503.196791][T11365]  do_el0_svc+0x48/0x58
[  503.197937][T11365]  el0_svc+0x58/0x16c
[  503.198989][T11365]  el0t_64_sync_handler+0x84/0xfc
[  503.200381][T11365]  el0t_64_sync+0x190/0x194
[  503.206894][T11365] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.214882][T11366] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.221545][T11366] CPU: 1 PID: 11366 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  503.224587][T11366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  503.227354][T11366] Call trace:
[  503.228295][T11366]  dump_backtrace+0x1b8/0x1e4
[  503.229628][T11366]  show_stack+0x2c/0x44
[  503.230799][T11366]  dump_stack_lvl+0xd0/0x124
[  503.232041][T11366]  dump_stack+0x1c/0x28
[  503.233265][T11366]  sysfs_create_dir_ns+0x278/0x318
[  503.234701][T11366]  kobject_add_internal+0x514/0xadc
[  503.236134][T11366]  kobject_add+0x14c/0x224
[  503.237398][T11366]  device_add+0x3a0/0xaac
[  503.238590][T11366]  device_register+0x28/0x38
[  503.239801][T11366]  tty_register_device_attr+0x3a4/0x7d4
[  503.241374][T11366]  tty_register_device+0x3c/0x50
[  503.242693][T11366]  gsm_activate_mux+0xdc/0x268
[  503.243992][T11366]  gsmld_ioctl+0x16f0/0x2310
[  503.245246][T11366]  tty_ioctl+0x924/0xd8c
[  503.246422][T11366]  __arm64_sys_ioctl+0x14c/0x1c8
[  503.247808][T11366]  invoke_syscall+0x98/0x2b8
[  503.249139][T11366]  el0_svc_common+0x130/0x23c
[  503.250426][T11366]  do_el0_svc+0x48/0x58
[  503.251594][T11366]  el0_svc+0x58/0x16c
[  503.252730][T11366]  el0t_64_sync_handler+0x84/0xfc
[  503.254121][T11366]  el0t_64_sync+0x190/0x194
[  503.259940][T11366] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.423852][T11369] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.426795][T11369] CPU: 1 PID: 11369 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  503.429645][T11369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  503.432391][T11369] Call trace:
[  503.433301][T11369]  dump_backtrace+0x1b8/0x1e4
[  503.434594][T11369]  show_stack+0x2c/0x44
[  503.435739][T11369]  dump_stack_lvl+0xd0/0x124
[  503.436996][T11369]  dump_stack+0x1c/0x28
[  503.438105][T11369]  sysfs_create_dir_ns+0x278/0x318
[  503.439488][T11369]  kobject_add_internal+0x514/0xadc
[  503.440948][T11369]  kobject_add+0x14c/0x224
[  503.442209][T11369]  device_add+0x3a0/0xaac
[  503.443441][T11369]  device_register+0x28/0x38
[  503.444797][T11369]  tty_register_device_attr+0x3a4/0x7d4
[  503.446327][T11369]  tty_register_device+0x3c/0x50
[  503.447676][T11369]  gsm_activate_mux+0xdc/0x268
[  503.449020][T11369]  gsmld_ioctl+0x16f0/0x2310
[  503.450252][T11369]  tty_ioctl+0x924/0xd8c
[  503.451463][T11369]  __arm64_sys_ioctl+0x14c/0x1c8
[  503.452832][T11369]  invoke_syscall+0x98/0x2b8
[  503.454052][T11369]  el0_svc_common+0x130/0x23c
[  503.455312][T11369]  do_el0_svc+0x48/0x58
[  503.456453][T11369]  el0_svc+0x58/0x16c
[  503.457526][T11369]  el0t_64_sync_handler+0x84/0xfc
[  503.458970][T11369]  el0t_64_sync+0x190/0x194
[  503.467120][T11369] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.471738][T11369] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.474002][T11369] CPU: 1 PID: 11369 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  503.476840][T11369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  503.479495][T11369] Call trace:
[  503.480437][T11369]  dump_backtrace+0x1b8/0x1e4
[  503.481732][T11369]  show_stack+0x2c/0x44
[  503.482920][T11369]  dump_stack_lvl+0xd0/0x124
[  503.484148][T11369]  dump_stack+0x1c/0x28
[  503.485264][T11369]  sysfs_create_dir_ns+0x278/0x318
[  503.486700][T11369]  kobject_add_internal+0x514/0xadc
[  503.488088][T11369]  kobject_add+0x14c/0x224
[  503.489261][T11369]  device_add+0x3a0/0xaac
[  503.490457][T11369]  device_register+0x28/0x38
[  503.491753][T11369]  tty_register_device_attr+0x3a4/0x7d4
[  503.493260][T11369]  tty_register_device+0x3c/0x50
[  503.494649][T11369]  gsm_activate_mux+0xdc/0x268
[  503.495907][T11369]  gsmld_ioctl+0x16f0/0x2310
[  503.497223][T11369]  tty_ioctl+0x924/0xd8c
[  503.498411][T11369]  __arm64_sys_ioctl+0x14c/0x1c8
[  503.499763][T11369]  invoke_syscall+0x98/0x2b8
[  503.500992][T11369]  el0_svc_common+0x130/0x23c
[  503.502277][T11369]  do_el0_svc+0x48/0x58
[  503.503445][T11369]  el0_svc+0x58/0x16c
[  503.504537][T11369]  el0t_64_sync_handler+0x84/0xfc
[  503.505932][T11369]  el0t_64_sync+0x190/0x194
[  503.511516][T11369] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.679630][T11372] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.682532][T11372] CPU: 0 PID: 11372 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  503.685526][T11372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  503.688252][T11372] Call trace:
[  503.689134][T11372]  dump_backtrace+0x1b8/0x1e4
[  503.690440][T11372]  show_stack+0x2c/0x44
[  503.691541][T11372]  dump_stack_lvl+0xd0/0x124
[  503.692764][T11372]  dump_stack+0x1c/0x28
[  503.693908][T11372]  sysfs_create_dir_ns+0x278/0x318
[  503.695368][T11372]  kobject_add_internal+0x514/0xadc
[  503.696796][T11372]  kobject_add+0x14c/0x224
[  503.698054][T11372]  device_add+0x3a0/0xaac
[  503.699215][T11372]  device_register+0x28/0x38
[  503.700527][T11372]  tty_register_device_attr+0x3a4/0x7d4
[  503.701985][T11372]  tty_register_device+0x3c/0x50
[  503.703311][T11372]  gsm_activate_mux+0xdc/0x268
[  503.704635][T11372]  gsmld_ioctl+0x16f0/0x2310
[  503.705928][T11372]  tty_ioctl+0x924/0xd8c
[  503.707087][T11372]  __arm64_sys_ioctl+0x14c/0x1c8
[  503.708379][T11372]  invoke_syscall+0x98/0x2b8
[  503.709641][T11372]  el0_svc_common+0x130/0x23c
[  503.710958][T11372]  do_el0_svc+0x48/0x58
[  503.712104][T11372]  el0_svc+0x58/0x16c
[  503.713233][T11372]  el0t_64_sync_handler+0x84/0xfc
[  503.714594][T11372]  el0t_64_sync+0x190/0x194
[  503.722973][T11372] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.924533][T11375] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.927060][T11375] CPU: 0 PID: 11375 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  503.929889][T11375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  503.932677][T11375] Call trace:
[  503.933586][T11375]  dump_backtrace+0x1b8/0x1e4
[  503.934881][T11375]  show_stack+0x2c/0x44
[  503.936012][T11375]  dump_stack_lvl+0xd0/0x124
[  503.937350][T11375]  dump_stack+0x1c/0x28
[  503.938451][T11375]  sysfs_create_dir_ns+0x278/0x318
[  503.939870][T11375]  kobject_add_internal+0x514/0xadc
[  503.941279][T11375]  kobject_add+0x14c/0x224
[  503.942509][T11375]  device_add+0x3a0/0xaac
[  503.943670][T11375]  device_register+0x28/0x38
[  503.944920][T11375]  tty_register_device_attr+0x3a4/0x7d4
[  503.946441][T11375]  tty_register_device+0x3c/0x50
[  503.947768][T11375]  gsm_activate_mux+0xdc/0x268
[  503.949041][T11375]  gsmld_ioctl+0x16f0/0x2310
[  503.950261][T11375]  tty_ioctl+0x924/0xd8c
[  503.951399][T11375]  __arm64_sys_ioctl+0x14c/0x1c8
[  503.952772][T11375]  invoke_syscall+0x98/0x2b8
[  503.953981][T11375]  el0_svc_common+0x130/0x23c
[  503.955250][T11375]  do_el0_svc+0x48/0x58
[  503.956400][T11375]  el0_svc+0x58/0x16c
[  503.957470][T11375]  el0t_64_sync_handler+0x84/0xfc
[  503.958780][T11375]  el0t_64_sync+0x190/0x194
[  503.962045][T11375] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.966801][T11375] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  503.969138][T11375] CPU: 0 PID: 11375 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  503.971902][T11375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  503.974691][T11375] Call trace:
[  503.975586][T11375]  dump_backtrace+0x1b8/0x1e4
[  503.976798][T11375]  show_stack+0x2c/0x44
[  503.977851][T11375]  dump_stack_lvl+0xd0/0x124
[  503.979114][T11375]  dump_stack+0x1c/0x28
[  503.980149][T11375]  sysfs_create_dir_ns+0x278/0x318
[  503.981588][T11375]  kobject_add_internal+0x514/0xadc
[  503.982986][T11375]  kobject_add+0x14c/0x224
[  503.984207][T11375]  device_add+0x3a0/0xaac
[  503.985377][T11375]  device_register+0x28/0x38
[  503.986628][T11375]  tty_register_device_attr+0x3a4/0x7d4
[  503.988072][T11375]  tty_register_device+0x3c/0x50
[  503.989433][T11375]  gsm_activate_mux+0xdc/0x268
[  503.990711][T11375]  gsmld_ioctl+0x16f0/0x2310
[  503.991903][T11375]  tty_ioctl+0x924/0xd8c
[  503.993056][T11375]  __arm64_sys_ioctl+0x14c/0x1c8
[  503.994390][T11375]  invoke_syscall+0x98/0x2b8
[  503.995624][T11375]  el0_svc_common+0x130/0x23c
[  503.996911][T11375]  do_el0_svc+0x48/0x58
[  503.997999][T11375]  el0_svc+0x58/0x16c
[  503.999035][T11375]  el0t_64_sync_handler+0x84/0xfc
[  504.000383][T11375]  el0t_64_sync+0x190/0x194
[  504.003135][T11375] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.178319][T11378] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  504.180717][T11378] CPU: 1 PID: 11378 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  504.183483][T11378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  504.186232][T11378] Call trace:
[  504.187152][T11378]  dump_backtrace+0x1b8/0x1e4
[  504.188427][T11378]  show_stack+0x2c/0x44
[  504.189629][T11378]  dump_stack_lvl+0xd0/0x124
[  504.190918][T11378]  dump_stack+0x1c/0x28
[  504.192133][T11378]  sysfs_create_dir_ns+0x278/0x318
[  504.193546][T11378]  kobject_add_internal+0x514/0xadc
[  504.195066][T11378]  kobject_add+0x14c/0x224
[  504.196389][T11378]  device_add+0x3a0/0xaac
[  504.197594][T11378]  device_register+0x28/0x38
[  504.198935][T11378]  tty_register_device_attr+0x3a4/0x7d4
[  504.200470][T11378]  tty_register_device+0x3c/0x50
[  504.201797][T11378]  gsm_activate_mux+0xdc/0x268
[  504.203106][T11378]  gsmld_ioctl+0x16f0/0x2310
[  504.204382][T11378]  tty_ioctl+0x924/0xd8c
[  504.205547][T11378]  __arm64_sys_ioctl+0x14c/0x1c8
[  504.206919][T11378]  invoke_syscall+0x98/0x2b8
[  504.208166][T11378]  el0_svc_common+0x130/0x23c
[  504.209472][T11378]  do_el0_svc+0x48/0x58
[  504.210649][T11378]  el0_svc+0x58/0x16c
[  504.211738][T11378]  el0t_64_sync_handler+0x84/0xfc
[  504.213182][T11378]  el0t_64_sync+0x190/0x194
[  504.224517][T11378] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.424538][T11381] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  504.426996][T11381] CPU: 0 PID: 11381 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  504.429802][T11381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  504.432497][T11381] Call trace:
[  504.433373][T11381]  dump_backtrace+0x1b8/0x1e4
[  504.434612][T11381]  show_stack+0x2c/0x44
[  504.435764][T11381]  dump_stack_lvl+0xd0/0x124
[  504.437021][T11381]  dump_stack+0x1c/0x28
[  504.438183][T11381]  sysfs_create_dir_ns+0x278/0x318
[  504.439524][T11381]  kobject_add_internal+0x514/0xadc
[  504.440914][T11381]  kobject_add+0x14c/0x224
[  504.442116][T11381]  device_add+0x3a0/0xaac
[  504.443254][T11381]  device_register+0x28/0x38
[  504.444444][T11381]  tty_register_device_attr+0x3a4/0x7d4
[  504.445914][T11381]  tty_register_device+0x3c/0x50
[  504.447192][T11381]  gsm_activate_mux+0xdc/0x268
[  504.448419][T11381]  gsmld_ioctl+0x16f0/0x2310
[  504.449630][T11381]  tty_ioctl+0x924/0xd8c
[  504.450770][T11381]  __arm64_sys_ioctl+0x14c/0x1c8
[  504.452091][T11381]  invoke_syscall+0x98/0x2b8
[  504.453299][T11381]  el0_svc_common+0x130/0x23c
[  504.454506][T11381]  do_el0_svc+0x48/0x58
[  504.455632][T11381]  el0_svc+0x58/0x16c
[  504.456712][T11381]  el0t_64_sync_handler+0x84/0xfc
[  504.457997][T11381]  el0t_64_sync+0x190/0x194
[  504.463109][T11381] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.470743][T11381] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  504.473412][T11381] CPU: 0 PID: 11381 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  504.476196][T11381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  504.478946][T11381] Call trace:
[  504.479809][T11381]  dump_backtrace+0x1b8/0x1e4
[  504.481067][T11381]  show_stack+0x2c/0x44
[  504.482245][T11381]  dump_stack_lvl+0xd0/0x124
[  504.483492][T11381]  dump_stack+0x1c/0x28
[  504.484619][T11381]  sysfs_create_dir_ns+0x278/0x318
[  504.485999][T11381]  kobject_add_internal+0x514/0xadc
[  504.487435][T11381]  kobject_add+0x14c/0x224
[  504.488678][T11381]  device_add+0x3a0/0xaac
[  504.489865][T11381]  device_register+0x28/0x38
[  504.491144][T11381]  tty_register_device_attr+0x3a4/0x7d4
[  504.492739][T11381]  tty_register_device+0x3c/0x50
[  504.494077][T11381]  gsm_activate_mux+0xdc/0x268
[  504.495342][T11381]  gsmld_ioctl+0x16f0/0x2310
[  504.496589][T11381]  tty_ioctl+0x924/0xd8c
[  504.497691][T11381]  __arm64_sys_ioctl+0x14c/0x1c8
[  504.499037][T11381]  invoke_syscall+0x98/0x2b8
[  504.500254][T11381]  el0_svc_common+0x130/0x23c
[  504.501500][T11381]  do_el0_svc+0x48/0x58
[  504.502617][T11381]  el0_svc+0x58/0x16c
[  504.503674][T11381]  el0t_64_sync_handler+0x84/0xfc
[  504.505002][T11381]  el0t_64_sync+0x190/0x194
[  504.510366][T11381] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.673515][T11384] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  504.679359][T11384] CPU: 1 PID: 11384 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  504.682153][T11384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  504.684798][T11384] Call trace:
[  504.685686][T11384]  dump_backtrace+0x1b8/0x1e4
[  504.687003][T11384]  show_stack+0x2c/0x44
[  504.688154][T11384]  dump_stack_lvl+0xd0/0x124
[  504.689412][T11384]  dump_stack+0x1c/0x28
[  504.690601][T11384]  sysfs_create_dir_ns+0x278/0x318
[  504.692048][T11384]  kobject_add_internal+0x514/0xadc
[  504.693471][T11384]  kobject_add+0x14c/0x224
[  504.694693][T11384]  device_add+0x3a0/0xaac
[  504.695901][T11384]  device_register+0x28/0x38
[  504.697162][T11384]  tty_register_device_attr+0x3a4/0x7d4
[  504.698688][T11384]  tty_register_device+0x3c/0x50
[  504.700106][T11384]  gsm_activate_mux+0xdc/0x268
[  504.701422][T11384]  gsmld_ioctl+0x16f0/0x2310
[  504.702673][T11384]  tty_ioctl+0x924/0xd8c
[  504.703789][T11384]  __arm64_sys_ioctl+0x14c/0x1c8
[  504.705247][T11384]  invoke_syscall+0x98/0x2b8
[  504.706475][T11384]  el0_svc_common+0x130/0x23c
[  504.707708][T11384]  do_el0_svc+0x48/0x58
[  504.708859][T11384]  el0_svc+0x58/0x16c
[  504.709943][T11384]  el0t_64_sync_handler+0x84/0xfc
[  504.711344][T11384]  el0t_64_sync+0x190/0x194
[  504.715951][T11384] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.059262][T11387] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  505.061692][T11387] CPU: 0 PID: 11387 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  505.064505][T11387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  505.067151][T11387] Call trace:
[  505.068061][T11387]  dump_backtrace+0x1b8/0x1e4
[  505.069365][T11387]  show_stack+0x2c/0x44
[  505.070516][T11387]  dump_stack_lvl+0xd0/0x124
[  505.071699][T11387]  dump_stack+0x1c/0x28
[  505.072888][T11387]  sysfs_create_dir_ns+0x278/0x318
[  505.074278][T11387]  kobject_add_internal+0x514/0xadc
[  505.075711][T11387]  kobject_add+0x14c/0x224
[  505.076934][T11387]  device_add+0x3a0/0xaac
[  505.078073][T11387]  device_register+0x28/0x38
[  505.079303][T11387]  tty_register_device_attr+0x3a4/0x7d4
[  505.080733][T11387]  tty_register_device+0x3c/0x50
[  505.082060][T11387]  gsm_activate_mux+0xdc/0x268
[  505.083331][T11387]  gsmld_ioctl+0x16f0/0x2310
[  505.084596][T11387]  tty_ioctl+0x924/0xd8c
[  505.085673][T11387]  __arm64_sys_ioctl+0x14c/0x1c8
[  505.087052][T11387]  invoke_syscall+0x98/0x2b8
[  505.088295][T11387]  el0_svc_common+0x130/0x23c
[  505.089629][T11387]  do_el0_svc+0x48/0x58
[  505.090774][T11387]  el0_svc+0x58/0x16c
[  505.091851][T11387]  el0t_64_sync_handler+0x84/0xfc
[  505.093246][T11387]  el0t_64_sync+0x190/0x194
[  505.100546][T11387] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.352065][T11390] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  505.355048][T11390] CPU: 0 PID: 11390 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  505.357984][T11390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  505.360721][T11390] Call trace:
[  505.361660][T11390]  dump_backtrace+0x1b8/0x1e4
[  505.362910][T11390]  show_stack+0x2c/0x44
[  505.364100][T11390]  dump_stack_lvl+0xd0/0x124
[  505.365375][T11390]  dump_stack+0x1c/0x28
[  505.366449][T11390]  sysfs_create_dir_ns+0x278/0x318
[  505.367806][T11390]  kobject_add_internal+0x514/0xadc
[  505.369265][T11390]  kobject_add+0x14c/0x224
[  505.370461][T11390]  device_add+0x3a0/0xaac
[  505.371693][T11390]  device_register+0x28/0x38
[  505.372932][T11390]  tty_register_device_attr+0x3a4/0x7d4
[  505.374440][T11390]  tty_register_device+0x3c/0x50
[  505.375778][T11390]  gsm_activate_mux+0xdc/0x268
[  505.377102][T11390]  gsmld_ioctl+0x16f0/0x2310
[  505.378334][T11390]  tty_ioctl+0x924/0xd8c
[  505.379489][T11390]  __arm64_sys_ioctl+0x14c/0x1c8
[  505.380803][T11390]  invoke_syscall+0x98/0x2b8
[  505.382003][T11390]  el0_svc_common+0x130/0x23c
[  505.383311][T11390]  do_el0_svc+0x48/0x58
[  505.384400][T11390]  el0_svc+0x58/0x16c
[  505.385490][T11390]  el0t_64_sync_handler+0x84/0xfc
[  505.386818][T11390]  el0t_64_sync+0x190/0x194
[  505.393885][T11390] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.398611][T11390] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  505.402254][T11390] CPU: 0 PID: 11390 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  505.405124][T11390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  505.407868][T11390] Call trace:
[  505.408779][T11390]  dump_backtrace+0x1b8/0x1e4
[  505.410083][T11390]  show_stack+0x2c/0x44
[  505.411195][T11390]  dump_stack_lvl+0xd0/0x124
[  505.412464][T11390]  dump_stack+0x1c/0x28
[  505.413619][T11390]  sysfs_create_dir_ns+0x278/0x318
[  505.414998][T11390]  kobject_add_internal+0x514/0xadc
[  505.416440][T11390]  kobject_add+0x14c/0x224
[  505.417624][T11390]  device_add+0x3a0/0xaac
[  505.418845][T11390]  device_register+0x28/0x38
[  505.420116][T11390]  tty_register_device_attr+0x3a4/0x7d4
[  505.421635][T11390]  tty_register_device+0x3c/0x50
[  505.422974][T11390]  gsm_activate_mux+0xdc/0x268
[  505.424245][T11390]  gsmld_ioctl+0x16f0/0x2310
[  505.425465][T11390]  tty_ioctl+0x924/0xd8c
[  505.426631][T11390]  __arm64_sys_ioctl+0x14c/0x1c8
[  505.427906][T11390]  invoke_syscall+0x98/0x2b8
[  505.429136][T11390]  el0_svc_common+0x130/0x23c
[  505.430401][T11390]  do_el0_svc+0x48/0x58
[  505.431521][T11390]  el0_svc+0x58/0x16c
[  505.432593][T11390]  el0t_64_sync_handler+0x84/0xfc
[  505.433927][T11390]  el0t_64_sync+0x190/0x194
[  505.435666][T11390] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.612476][T11393] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  505.614733][T11393] CPU: 0 PID: 11393 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  505.617612][T11393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  505.620364][T11393] Call trace:
[  505.621257][T11393]  dump_backtrace+0x1b8/0x1e4
[  505.622496][T11393]  show_stack+0x2c/0x44
[  505.623596][T11393]  dump_stack_lvl+0xd0/0x124
[  505.624879][T11393]  dump_stack+0x1c/0x28
[  505.625999][T11393]  sysfs_create_dir_ns+0x278/0x318
[  505.627435][T11393]  kobject_add_internal+0x514/0xadc
[  505.628889][T11393]  kobject_add+0x14c/0x224
[  505.630114][T11393]  device_add+0x3a0/0xaac
[  505.631256][T11393]  device_register+0x28/0x38
[  505.632543][T11393]  tty_register_device_attr+0x3a4/0x7d4
[  505.633969][T11393]  tty_register_device+0x3c/0x50
[  505.635318][T11393]  gsm_activate_mux+0xdc/0x268
[  505.636626][T11393]  gsmld_ioctl+0x16f0/0x2310
[  505.637903][T11393]  tty_ioctl+0x924/0xd8c
[  505.639072][T11393]  __arm64_sys_ioctl+0x14c/0x1c8
[  505.640401][T11393]  invoke_syscall+0x98/0x2b8
[  505.641687][T11393]  el0_svc_common+0x130/0x23c
[  505.642998][T11393]  do_el0_svc+0x48/0x58
[  505.644151][T11393]  el0_svc+0x58/0x16c
[  505.645257][T11393]  el0t_64_sync_handler+0x84/0xfc
[  505.646646][T11393]  el0t_64_sync+0x190/0x194
[  505.652881][T11393] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.846515][T11396] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  505.848777][T11396] CPU: 0 PID: 11396 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  505.851637][T11396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  505.854428][T11396] Call trace:
[  505.855314][T11396]  dump_backtrace+0x1b8/0x1e4
[  505.856523][T11396]  show_stack+0x2c/0x44
[  505.857678][T11396]  dump_stack_lvl+0xd0/0x124
[  505.858957][T11396]  dump_stack+0x1c/0x28
[  505.860101][T11396]  sysfs_create_dir_ns+0x278/0x318
[  505.861495][T11396]  kobject_add_internal+0x514/0xadc
[  505.862850][T11396]  kobject_add+0x14c/0x224
[  505.864050][T11396]  device_add+0x3a0/0xaac
[  505.865236][T11396]  device_register+0x28/0x38
[  505.866542][T11396]  tty_register_device_attr+0x3a4/0x7d4
[  505.868046][T11396]  tty_register_device+0x3c/0x50
[  505.869378][T11396]  gsm_activate_mux+0xdc/0x268
[  505.870680][T11396]  gsmld_ioctl+0x16f0/0x2310
[  505.871903][T11396]  tty_ioctl+0x924/0xd8c
[  505.873043][T11396]  __arm64_sys_ioctl+0x14c/0x1c8
[  505.874433][T11396]  invoke_syscall+0x98/0x2b8
[  505.875768][T11396]  el0_svc_common+0x130/0x23c
[  505.877030][T11396]  do_el0_svc+0x48/0x58
[  505.878169][T11396]  el0_svc+0x58/0x16c
[  505.879268][T11396]  el0t_64_sync_handler+0x84/0xfc
[  505.880740][T11396]  el0t_64_sync+0x190/0x194
[  505.887396][T11396] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.080627][T11399] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  506.082905][T11399] CPU: 0 PID: 11399 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  506.085661][T11399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  506.088459][T11399] Call trace:
[  506.089339][T11399]  dump_backtrace+0x1b8/0x1e4
[  506.090550][T11399]  show_stack+0x2c/0x44
[  506.091730][T11399]  dump_stack_lvl+0xd0/0x124
[  506.092955][T11399]  dump_stack+0x1c/0x28
[  506.094066][T11399]  sysfs_create_dir_ns+0x278/0x318
[  506.095430][T11399]  kobject_add_internal+0x514/0xadc
[  506.096827][T11399]  kobject_add+0x14c/0x224
[  506.097999][T11399]  device_add+0x3a0/0xaac
[  506.099179][T11399]  device_register+0x28/0x38
[  506.100476][T11399]  tty_register_device_attr+0x3a4/0x7d4
[  506.102052][T11399]  tty_register_device+0x3c/0x50
[  506.103389][T11399]  gsm_activate_mux+0xdc/0x268
[  506.104719][T11399]  gsmld_ioctl+0x16f0/0x2310
[  506.106023][T11399]  tty_ioctl+0x924/0xd8c
[  506.107225][T11399]  __arm64_sys_ioctl+0x14c/0x1c8
[  506.108593][T11399]  invoke_syscall+0x98/0x2b8
[  506.109818][T11399]  el0_svc_common+0x130/0x23c
[  506.111108][T11399]  do_el0_svc+0x48/0x58
[  506.112239][T11399]  el0_svc+0x58/0x16c
[  506.113303][T11399]  el0t_64_sync_handler+0x84/0xfc
[  506.114632][T11399]  el0t_64_sync+0x190/0x194
[  506.122823][T11399] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.323043][T11402] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  506.325496][T11402] CPU: 1 PID: 11402 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  506.328404][T11402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  506.331142][T11402] Call trace:
[  506.332040][T11402]  dump_backtrace+0x1b8/0x1e4
[  506.333290][T11402]  show_stack+0x2c/0x44
[  506.334426][T11402]  dump_stack_lvl+0xd0/0x124
[  506.335614][T11402]  dump_stack+0x1c/0x28
[  506.336649][T11402]  sysfs_create_dir_ns+0x278/0x318
[  506.337985][T11402]  kobject_add_internal+0x514/0xadc
[  506.339371][T11402]  kobject_add+0x14c/0x224
[  506.340585][T11402]  device_add+0x3a0/0xaac
[  506.341706][T11402]  device_register+0x28/0x38
[  506.342934][T11402]  tty_register_device_attr+0x3a4/0x7d4
[  506.344459][T11402]  tty_register_device+0x3c/0x50
[  506.345815][T11402]  gsm_activate_mux+0xdc/0x268
[  506.347131][T11402]  gsmld_ioctl+0x16f0/0x2310
[  506.348365][T11402]  tty_ioctl+0x924/0xd8c
[  506.349501][T11402]  __arm64_sys_ioctl+0x14c/0x1c8
[  506.350775][T11402]  invoke_syscall+0x98/0x2b8
[  506.352042][T11402]  el0_svc_common+0x130/0x23c
[  506.353307][T11402]  do_el0_svc+0x48/0x58
[  506.354433][T11402]  el0_svc+0x58/0x16c
[  506.355500][T11402]  el0t_64_sync_handler+0x84/0xfc
[  506.356890][T11402]  el0t_64_sync+0x190/0x194
[  506.365921][T11402] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.549657][T11405] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  506.551953][T11405] CPU: 1 PID: 11405 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  506.554746][T11405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  506.557502][T11405] Call trace:
[  506.558419][T11405]  dump_backtrace+0x1b8/0x1e4
[  506.559674][T11405]  show_stack+0x2c/0x44
[  506.560807][T11405]  dump_stack_lvl+0xd0/0x124
[  506.562065][T11405]  dump_stack+0x1c/0x28
[  506.563186][T11405]  sysfs_create_dir_ns+0x278/0x318
[  506.564541][T11405]  kobject_add_internal+0x514/0xadc
[  506.566090][T11405]  kobject_add+0x14c/0x224
[  506.567315][T11405]  device_add+0x3a0/0xaac
[  506.568464][T11405]  device_register+0x28/0x38
[  506.569694][T11405]  tty_register_device_attr+0x3a4/0x7d4
[  506.571206][T11405]  tty_register_device+0x3c/0x50
[  506.572544][T11405]  gsm_activate_mux+0xdc/0x268
[  506.573913][T11405]  gsmld_ioctl+0x16f0/0x2310
[  506.575211][T11405]  tty_ioctl+0x924/0xd8c
[  506.576396][T11405]  __arm64_sys_ioctl+0x14c/0x1c8
[  506.577787][T11405]  invoke_syscall+0x98/0x2b8
[  506.579053][T11405]  el0_svc_common+0x130/0x23c
[  506.580364][T11405]  do_el0_svc+0x48/0x58
[  506.581500][T11405]  el0_svc+0x58/0x16c
[  506.582582][T11405]  el0t_64_sync_handler+0x84/0xfc
[  506.583996][T11405]  el0t_64_sync+0x190/0x194
[  506.604808][T11405] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.943932][T11408] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  506.947346][T11408] CPU: 1 PID: 11408 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  506.950324][T11408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  506.953022][T11408] Call trace:
[  506.953889][T11408]  dump_backtrace+0x1b8/0x1e4
[  506.955152][T11408]  show_stack+0x2c/0x44
[  506.956309][T11408]  dump_stack_lvl+0xd0/0x124
[  506.957582][T11408]  dump_stack+0x1c/0x28
[  506.958768][T11408]  sysfs_create_dir_ns+0x278/0x318
[  506.960069][T11408]  kobject_add_internal+0x514/0xadc
[  506.961509][T11408]  kobject_add+0x14c/0x224
[  506.962734][T11408]  device_add+0x3a0/0xaac
[  506.963916][T11408]  device_register+0x28/0x38
[  506.965144][T11408]  tty_register_device_attr+0x3a4/0x7d4
[  506.966696][T11408]  tty_register_device+0x3c/0x50
[  506.968039][T11408]  gsm_activate_mux+0xdc/0x268
[  506.969362][T11408]  gsmld_ioctl+0x16f0/0x2310
[  506.970608][T11408]  tty_ioctl+0x924/0xd8c
[  506.971742][T11408]  __arm64_sys_ioctl+0x14c/0x1c8
[  506.973083][T11408]  invoke_syscall+0x98/0x2b8
[  506.974364][T11408]  el0_svc_common+0x130/0x23c
[  506.975667][T11408]  do_el0_svc+0x48/0x58
[  506.976785][T11408]  el0_svc+0x58/0x16c
[  506.977916][T11408]  el0t_64_sync_handler+0x84/0xfc
[  506.979273][T11408]  el0t_64_sync+0x190/0x194
[  507.023879][T11408] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.213000][T11411] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.215252][T11411] CPU: 0 PID: 11411 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  507.217956][T11411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  507.220635][T11411] Call trace:
[  507.221498][T11411]  dump_backtrace+0x1b8/0x1e4
[  507.222764][T11411]  show_stack+0x2c/0x44
[  507.223870][T11411]  dump_stack_lvl+0xd0/0x124
[  507.225066][T11411]  dump_stack+0x1c/0x28
[  507.226234][T11411]  sysfs_create_dir_ns+0x278/0x318
[  507.227588][T11411]  kobject_add_internal+0x514/0xadc
[  507.228983][T11411]  kobject_add+0x14c/0x224
[  507.230182][T11411]  device_add+0x3a0/0xaac
[  507.231358][T11411]  device_register+0x28/0x38
[  507.232602][T11411]  tty_register_device_attr+0x3a4/0x7d4
[  507.234115][T11411]  tty_register_device+0x3c/0x50
[  507.235420][T11411]  gsm_activate_mux+0xdc/0x268
[  507.236720][T11411]  gsmld_ioctl+0x16f0/0x2310
[  507.237982][T11411]  tty_ioctl+0x924/0xd8c
[  507.239079][T11411]  __arm64_sys_ioctl+0x14c/0x1c8
[  507.240422][T11411]  invoke_syscall+0x98/0x2b8
[  507.241634][T11411]  el0_svc_common+0x130/0x23c
[  507.242886][T11411]  do_el0_svc+0x48/0x58
[  507.244040][T11411]  el0_svc+0x58/0x16c
[  507.245067][T11411]  el0t_64_sync_handler+0x84/0xfc
[  507.246387][T11411]  el0t_64_sync+0x190/0x194
[  507.252377][T11411] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.447712][T11414] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.449956][T11414] CPU: 0 PID: 11414 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  507.452750][T11414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  507.455391][T11414] Call trace:
[  507.456244][T11414]  dump_backtrace+0x1b8/0x1e4
[  507.457544][T11414]  show_stack+0x2c/0x44
[  507.458664][T11414]  dump_stack_lvl+0xd0/0x124
[  507.459869][T11414]  dump_stack+0x1c/0x28
[  507.460871][T11414]  sysfs_create_dir_ns+0x278/0x318
[  507.462251][T11414]  kobject_add_internal+0x514/0xadc
[  507.463651][T11414]  kobject_add+0x14c/0x224
[  507.464887][T11414]  device_add+0x3a0/0xaac
[  507.466100][T11414]  device_register+0x28/0x38
[  507.467366][T11414]  tty_register_device_attr+0x3a4/0x7d4
[  507.468854][T11414]  tty_register_device+0x3c/0x50
[  507.470172][T11414]  gsm_activate_mux+0xdc/0x268
[  507.471466][T11414]  gsmld_ioctl+0x16f0/0x2310
[  507.472678][T11414]  tty_ioctl+0x924/0xd8c
[  507.473818][T11414]  __arm64_sys_ioctl+0x14c/0x1c8
[  507.475145][T11414]  invoke_syscall+0x98/0x2b8
[  507.476419][T11414]  el0_svc_common+0x130/0x23c
[  507.477700][T11414]  do_el0_svc+0x48/0x58
[  507.478824][T11414]  el0_svc+0x58/0x16c
[  507.479868][T11414]  el0t_64_sync_handler+0x84/0xfc
[  507.481182][T11414]  el0t_64_sync+0x190/0x194
[  507.486815][T11414] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.686145][T11417] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.688636][T11417] CPU: 1 PID: 11417 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  507.691495][T11417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  507.694208][T11417] Call trace:
[  507.695097][T11417]  dump_backtrace+0x1b8/0x1e4
[  507.696403][T11417]  show_stack+0x2c/0x44
[  507.697540][T11417]  dump_stack_lvl+0xd0/0x124
[  507.698766][T11417]  dump_stack+0x1c/0x28
[  507.699963][T11417]  sysfs_create_dir_ns+0x278/0x318
[  507.701364][T11417]  kobject_add_internal+0x514/0xadc
[  507.702799][T11417]  kobject_add+0x14c/0x224
[  507.704052][T11417]  device_add+0x3a0/0xaac
[  507.705242][T11417]  device_register+0x28/0x38
[  507.706587][T11417]  tty_register_device_attr+0x3a4/0x7d4
[  507.708091][T11417]  tty_register_device+0x3c/0x50
[  507.709446][T11417]  gsm_activate_mux+0xdc/0x268
[  507.710799][T11417]  gsmld_ioctl+0x16f0/0x2310
[  507.712040][T11417]  tty_ioctl+0x924/0xd8c
[  507.713224][T11417]  __arm64_sys_ioctl+0x14c/0x1c8
[  507.714603][T11417]  invoke_syscall+0x98/0x2b8
[  507.715847][T11417]  el0_svc_common+0x130/0x23c
[  507.717127][T11417]  do_el0_svc+0x48/0x58
[  507.718255][T11417]  el0_svc+0x58/0x16c
[  507.719292][T11417]  el0t_64_sync_handler+0x84/0xfc
[  507.720706][T11417]  el0t_64_sync+0x190/0x194
[  507.724945][T11417] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.730255][T11417] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.732829][T11417] CPU: 1 PID: 11417 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  507.735844][T11417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  507.738733][T11417] Call trace:
[  507.739688][T11417]  dump_backtrace+0x1b8/0x1e4
[  507.740969][T11417]  show_stack+0x2c/0x44
[  507.742146][T11417]  dump_stack_lvl+0xd0/0x124
[  507.743374][T11417]  dump_stack+0x1c/0x28
[  507.744441][T11417]  sysfs_create_dir_ns+0x278/0x318
[  507.746029][T11417]  kobject_add_internal+0x514/0xadc
[  507.747401][T11417]  kobject_add+0x14c/0x224
[  507.748625][T11417]  device_add+0x3a0/0xaac
[  507.749804][T11417]  device_register+0x28/0x38
[  507.751204][T11417]  tty_register_device_attr+0x3a4/0x7d4
[  507.752747][T11417]  tty_register_device+0x3c/0x50
[  507.754092][T11417]  gsm_activate_mux+0xdc/0x268
[  507.755410][T11417]  gsmld_ioctl+0x16f0/0x2310
[  507.756804][T11417]  tty_ioctl+0x924/0xd8c
[  507.758002][T11417]  __arm64_sys_ioctl+0x14c/0x1c8
[  507.759394][T11417]  invoke_syscall+0x98/0x2b8
[  507.760644][T11417]  el0_svc_common+0x130/0x23c
[  507.761914][T11417]  do_el0_svc+0x48/0x58
[  507.763198][T11417]  el0_svc+0x58/0x16c
[  507.764316][T11417]  el0t_64_sync_handler+0x84/0xfc
[  507.765644][T11417]  el0t_64_sync+0x190/0x194
[  507.769256][T11417] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.950007][T11420] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  507.952257][T11420] CPU: 0 PID: 11420 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  507.954941][T11420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  507.957674][T11420] Call trace:
[  507.958550][T11420]  dump_backtrace+0x1b8/0x1e4
[  507.959759][T11420]  show_stack+0x2c/0x44
[  507.961024][T11420]  dump_stack_lvl+0xd0/0x124
[  507.962297][T11420]  dump_stack+0x1c/0x28
[  507.963431][T11420]  sysfs_create_dir_ns+0x278/0x318
[  507.964846][T11420]  kobject_add_internal+0x514/0xadc
[  507.966278][T11420]  kobject_add+0x14c/0x224
[  507.967476][T11420]  device_add+0x3a0/0xaac
[  507.968700][T11420]  device_register+0x28/0x38
[  507.969932][T11420]  tty_register_device_attr+0x3a4/0x7d4
[  507.971453][T11420]  tty_register_device+0x3c/0x50
[  507.972753][T11420]  gsm_activate_mux+0xdc/0x268
[  507.974021][T11420]  gsmld_ioctl+0x16f0/0x2310
[  507.975364][T11420]  tty_ioctl+0x924/0xd8c
[  507.976553][T11420]  __arm64_sys_ioctl+0x14c/0x1c8
[  507.977867][T11420]  invoke_syscall+0x98/0x2b8
[  507.979081][T11420]  el0_svc_common+0x130/0x23c
[  507.980328][T11420]  do_el0_svc+0x48/0x58
[  507.981439][T11420]  el0_svc+0x58/0x16c
[  507.982530][T11420]  el0t_64_sync_handler+0x84/0xfc
[  507.983900][T11420]  el0t_64_sync+0x190/0x194
[  507.991526][T11420] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.997257][T11420] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  508.000234][T11420] CPU: 0 PID: 11420 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  508.003069][T11420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  508.005697][T11420] Call trace:
[  508.006538][T11420]  dump_backtrace+0x1b8/0x1e4
[  508.007777][T11420]  show_stack+0x2c/0x44
[  508.008874][T11420]  dump_stack_lvl+0xd0/0x124
[  508.010135][T11420]  dump_stack+0x1c/0x28
[  508.011240][T11420]  sysfs_create_dir_ns+0x278/0x318
[  508.012683][T11420]  kobject_add_internal+0x514/0xadc
[  508.014033][T11420]  kobject_add+0x14c/0x224
[  508.015230][T11420]  device_add+0x3a0/0xaac
[  508.016374][T11420]  device_register+0x28/0x38
[  508.017644][T11420]  tty_register_device_attr+0x3a4/0x7d4
[  508.019120][T11420]  tty_register_device+0x3c/0x50
[  508.020530][T11420]  gsm_activate_mux+0xdc/0x268
[  508.021828][T11420]  gsmld_ioctl+0x16f0/0x2310
[  508.023109][T11420]  tty_ioctl+0x924/0xd8c
[  508.024224][T11420]  __arm64_sys_ioctl+0x14c/0x1c8
[  508.025485][T11420]  invoke_syscall+0x98/0x2b8
[  508.026722][T11420]  el0_svc_common+0x130/0x23c
[  508.027965][T11420]  do_el0_svc+0x48/0x58
[  508.029032][T11420]  el0_svc+0x58/0x16c
[  508.030132][T11420]  el0t_64_sync_handler+0x84/0xfc
[  508.031448][T11420]  el0t_64_sync+0x190/0x194
[  508.033435][T11420] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.365104][T11423] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  508.368840][T11423] CPU: 0 PID: 11423 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  508.371557][T11423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  508.374166][T11423] Call trace:
[  508.375098][T11423]  dump_backtrace+0x1b8/0x1e4
[  508.376383][T11423]  show_stack+0x2c/0x44
[  508.377512][T11423]  dump_stack_lvl+0xd0/0x124
[  508.378773][T11423]  dump_stack+0x1c/0x28
[  508.379949][T11423]  sysfs_create_dir_ns+0x278/0x318
[  508.381405][T11423]  kobject_add_internal+0x514/0xadc
[  508.382812][T11423]  kobject_add+0x14c/0x224
[  508.384026][T11423]  device_add+0x3a0/0xaac
[  508.385187][T11423]  device_register+0x28/0x38
[  508.386429][T11423]  tty_register_device_attr+0x3a4/0x7d4
[  508.387974][T11423]  tty_register_device+0x3c/0x50
[  508.389297][T11423]  gsm_activate_mux+0xdc/0x268
[  508.390625][T11423]  gsmld_ioctl+0x16f0/0x2310
[  508.391859][T11423]  tty_ioctl+0x924/0xd8c
[  508.393005][T11423]  __arm64_sys_ioctl+0x14c/0x1c8
[  508.394392][T11423]  invoke_syscall+0x98/0x2b8
[  508.395656][T11423]  el0_svc_common+0x130/0x23c
[  508.396835][T11423]  do_el0_svc+0x48/0x58
[  508.397902][T11423]  el0_svc+0x58/0x16c
[  508.398985][T11423]  el0t_64_sync_handler+0x84/0xfc
[  508.400412][T11423]  el0t_64_sync+0x190/0x194
[  508.407515][T11423] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.819825][T11426] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  508.822044][T11426] CPU: 1 PID: 11426 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  508.824767][T11426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  508.827471][T11426] Call trace:
[  508.828391][T11426]  dump_backtrace+0x1b8/0x1e4
[  508.829667][T11426]  show_stack+0x2c/0x44
[  508.830761][T11426]  dump_stack_lvl+0xd0/0x124
[  508.832009][T11426]  dump_stack+0x1c/0x28
[  508.833099][T11426]  sysfs_create_dir_ns+0x278/0x318
[  508.834456][T11426]  kobject_add_internal+0x514/0xadc
[  508.835829][T11426]  kobject_add+0x14c/0x224
[  508.837033][T11426]  device_add+0x3a0/0xaac
[  508.838180][T11426]  device_register+0x28/0x38
[  508.839390][T11426]  tty_register_device_attr+0x3a4/0x7d4
[  508.840891][T11426]  tty_register_device+0x3c/0x50
[  508.842240][T11426]  gsm_activate_mux+0xdc/0x268
[  508.843546][T11426]  gsmld_ioctl+0x16f0/0x2310
[  508.844771][T11426]  tty_ioctl+0x924/0xd8c
[  508.845865][T11426]  __arm64_sys_ioctl+0x14c/0x1c8
[  508.847170][T11426]  invoke_syscall+0x98/0x2b8
[  508.848431][T11426]  el0_svc_common+0x130/0x23c
[  508.849650][T11426]  do_el0_svc+0x48/0x58
[  508.850816][T11426]  el0_svc+0x58/0x16c
[  508.851938][T11426]  el0t_64_sync_handler+0x84/0xfc
[  508.853259][T11426]  el0t_64_sync+0x190/0x194
[  508.869106][T11426] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.113081][T11429] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.115784][T11429] CPU: 1 PID: 11429 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  509.118668][T11429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  509.121427][T11429] Call trace:
[  509.122339][T11429]  dump_backtrace+0x1b8/0x1e4
[  509.123688][T11429]  show_stack+0x2c/0x44
[  509.124808][T11429]  dump_stack_lvl+0xd0/0x124
[  509.126007][T11429]  dump_stack+0x1c/0x28
[  509.127184][T11429]  sysfs_create_dir_ns+0x278/0x318
[  509.128607][T11429]  kobject_add_internal+0x514/0xadc
[  509.129998][T11429]  kobject_add+0x14c/0x224
[  509.131211][T11429]  device_add+0x3a0/0xaac
[  509.132346][T11429]  device_register+0x28/0x38
[  509.133605][T11429]  tty_register_device_attr+0x3a4/0x7d4
[  509.135094][T11429]  tty_register_device+0x3c/0x50
[  509.136443][T11429]  gsm_activate_mux+0xdc/0x268
[  509.137787][T11429]  gsmld_ioctl+0x16f0/0x2310
[  509.139073][T11429]  tty_ioctl+0x924/0xd8c
[  509.140184][T11429]  __arm64_sys_ioctl+0x14c/0x1c8
[  509.141548][T11429]  invoke_syscall+0x98/0x2b8
[  509.142862][T11429]  el0_svc_common+0x130/0x23c
[  509.144131][T11429]  do_el0_svc+0x48/0x58
[  509.145275][T11429]  el0_svc+0x58/0x16c
[  509.146365][T11429]  el0t_64_sync_handler+0x84/0xfc
[  509.147741][T11429]  el0t_64_sync+0x190/0x194
[  509.153111][T11429] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.157286][T11429] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.159750][T11429] CPU: 1 PID: 11429 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  509.162578][T11429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  509.165281][T11429] Call trace:
[  509.166211][T11429]  dump_backtrace+0x1b8/0x1e4
[  509.167527][T11429]  show_stack+0x2c/0x44
[  509.168710][T11429]  dump_stack_lvl+0xd0/0x124
[  509.169897][T11429]  dump_stack+0x1c/0x28
[  509.171053][T11429]  sysfs_create_dir_ns+0x278/0x318
[  509.172505][T11429]  kobject_add_internal+0x514/0xadc
[  509.173905][T11429]  kobject_add+0x14c/0x224
[  509.175077][T11429]  device_add+0x3a0/0xaac
[  509.176229][T11429]  device_register+0x28/0x38
[  509.177496][T11429]  tty_register_device_attr+0x3a4/0x7d4
[  509.178973][T11429]  tty_register_device+0x3c/0x50
[  509.180317][T11429]  gsm_activate_mux+0xdc/0x268
[  509.181604][T11429]  gsmld_ioctl+0x16f0/0x2310
[  509.182805][T11429]  tty_ioctl+0x924/0xd8c
[  509.183995][T11429]  __arm64_sys_ioctl+0x14c/0x1c8
[  509.185329][T11429]  invoke_syscall+0x98/0x2b8
[  509.186519][T11429]  el0_svc_common+0x130/0x23c
[  509.187817][T11429]  do_el0_svc+0x48/0x58
[  509.189032][T11429]  el0_svc+0x58/0x16c
[  509.190072][T11429]  el0t_64_sync_handler+0x84/0xfc
[  509.191411][T11429]  el0t_64_sync+0x190/0x194
[  509.194042][T11429] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.520184][T11432] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.522439][T11432] CPU: 1 PID: 11432 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  509.525223][T11432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  509.527940][T11432] Call trace:
[  509.528828][T11432]  dump_backtrace+0x1b8/0x1e4
[  509.530054][T11432]  show_stack+0x2c/0x44
[  509.531197][T11432]  dump_stack_lvl+0xd0/0x124
[  509.532506][T11432]  dump_stack+0x1c/0x28
[  509.533652][T11432]  sysfs_create_dir_ns+0x278/0x318
[  509.535056][T11432]  kobject_add_internal+0x514/0xadc
[  509.536491][T11432]  kobject_add+0x14c/0x224
[  509.537742][T11432]  device_add+0x3a0/0xaac
[  509.538858][T11432]  device_register+0x28/0x38
[  509.540072][T11432]  tty_register_device_attr+0x3a4/0x7d4
[  509.541648][T11432]  tty_register_device+0x3c/0x50
[  509.542973][T11432]  gsm_activate_mux+0xdc/0x268
[  509.544298][T11432]  gsmld_ioctl+0x16f0/0x2310
[  509.545506][T11432]  tty_ioctl+0x924/0xd8c
[  509.546657][T11432]  __arm64_sys_ioctl+0x14c/0x1c8
[  509.547998][T11432]  invoke_syscall+0x98/0x2b8
[  509.549236][T11432]  el0_svc_common+0x130/0x23c
[  509.550462][T11432]  do_el0_svc+0x48/0x58
[  509.551628][T11432]  el0_svc+0x58/0x16c
[  509.552710][T11432]  el0t_64_sync_handler+0x84/0xfc
[  509.554095][T11432]  el0t_64_sync+0x190/0x194
[  509.566334][T11432] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.810252][T11435] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  509.815191][T11435] CPU: 0 PID: 11435 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  509.818184][T11435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  509.820943][T11435] Call trace:
[  509.821847][T11435]  dump_backtrace+0x1b8/0x1e4
[  509.823165][T11435]  show_stack+0x2c/0x44
[  509.824330][T11435]  dump_stack_lvl+0xd0/0x124
[  509.825684][T11435]  dump_stack+0x1c/0x28
[  509.826858][T11435]  sysfs_create_dir_ns+0x278/0x318
[  509.828336][T11435]  kobject_add_internal+0x514/0xadc
[  509.829847][T11435]  kobject_add+0x14c/0x224
[  509.831051][T11435]  device_add+0x3a0/0xaac
[  509.832260][T11435]  device_register+0x28/0x38
[  509.833562][T11435]  tty_register_device_attr+0x3a4/0x7d4
[  509.835168][T11435]  tty_register_device+0x3c/0x50
[  509.836513][T11435]  gsm_activate_mux+0xdc/0x268
[  509.837862][T11435]  gsmld_ioctl+0x16f0/0x2310
[  509.839092][T11435]  tty_ioctl+0x924/0xd8c
[  509.840264][T11435]  __arm64_sys_ioctl+0x14c/0x1c8
[  509.841591][T11435]  invoke_syscall+0x98/0x2b8
[  509.842887][T11435]  el0_svc_common+0x130/0x23c
[  509.844178][T11435]  do_el0_svc+0x48/0x58
[  509.845391][T11435]  el0_svc+0x58/0x16c
[  509.846488][T11435]  el0t_64_sync_handler+0x84/0xfc
[  509.847883][T11435]  el0t_64_sync+0x190/0x194
[  509.853518][T11435] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.062798][T11438] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  510.065091][T11438] CPU: 0 PID: 11438 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  510.067949][T11438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  510.070816][T11438] Call trace:
[  510.071711][T11438]  dump_backtrace+0x1b8/0x1e4
[  510.073017][T11438]  show_stack+0x2c/0x44
[  510.074120][T11438]  dump_stack_lvl+0xd0/0x124
[  510.075330][T11438]  dump_stack+0x1c/0x28
[  510.076496][T11438]  sysfs_create_dir_ns+0x278/0x318
[  510.078222][T11438]  kobject_add_internal+0x514/0xadc
[  510.079495][T11438]  kobject_add+0x14c/0x224
[  510.080697][T11438]  device_add+0x3a0/0xaac
[  510.081835][T11438]  device_register+0x28/0x38
[  510.083039][T11438]  tty_register_device_attr+0x3a4/0x7d4
[  510.084549][T11438]  tty_register_device+0x3c/0x50
[  510.086050][T11438]  gsm_activate_mux+0xdc/0x268
[  510.087379][T11438]  gsmld_ioctl+0x16f0/0x2310
[  510.088621][T11438]  tty_ioctl+0x924/0xd8c
[  510.089772][T11438]  __arm64_sys_ioctl+0x14c/0x1c8
[  510.091140][T11438]  invoke_syscall+0x98/0x2b8
[  510.092552][T11438]  el0_svc_common+0x130/0x23c
[  510.093884][T11438]  do_el0_svc+0x48/0x58
[  510.095020][T11438]  el0_svc+0x58/0x16c
[  510.096061][T11438]  el0t_64_sync_handler+0x84/0xfc
[  510.097396][T11438]  el0t_64_sync+0x190/0x194
[  510.106371][T11438] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.302141][T11441] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  510.306102][T11441] CPU: 1 PID: 11441 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  510.308924][T11441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  510.311903][T11441] Call trace:
[  510.312799][T11441]  dump_backtrace+0x1b8/0x1e4
[  510.314108][T11441]  show_stack+0x2c/0x44
[  510.315241][T11441]  dump_stack_lvl+0xd0/0x124
[  510.316534][T11441]  dump_stack+0x1c/0x28
[  510.317704][T11441]  sysfs_create_dir_ns+0x278/0x318
[  510.319192][T11441]  kobject_add_internal+0x514/0xadc
[  510.320697][T11441]  kobject_add+0x14c/0x224
[  510.321950][T11441]  device_add+0x3a0/0xaac
[  510.323122][T11441]  device_register+0x28/0x38
[  510.324359][T11441]  tty_register_device_attr+0x3a4/0x7d4
[  510.326043][T11441]  tty_register_device+0x3c/0x50
[  510.327552][T11441]  gsm_activate_mux+0xdc/0x268
[  510.329052][T11441]  gsmld_ioctl+0x16f0/0x2310
[  510.330282][T11441]  tty_ioctl+0x924/0xd8c
[  510.331505][T11441]  __arm64_sys_ioctl+0x14c/0x1c8
[  510.332928][T11441]  invoke_syscall+0x98/0x2b8
[  510.334215][T11441]  el0_svc_common+0x130/0x23c
[  510.335670][T11441]  do_el0_svc+0x48/0x58
[  510.337125][T11441]  el0_svc+0x58/0x16c
[  510.338279][T11441]  el0t_64_sync_handler+0x84/0xfc
[  510.339678][T11441]  el0t_64_sync+0x190/0x194
[  510.348872][T11441] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.352382][T11442] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  510.355468][T11442] CPU: 0 PID: 11442 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  510.358357][T11442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  510.361052][T11442] Call trace:
[  510.361941][T11442]  dump_backtrace+0x1b8/0x1e4
[  510.363224][T11442]  show_stack+0x2c/0x44
[  510.364372][T11442]  dump_stack_lvl+0xd0/0x124
[  510.365698][T11442]  dump_stack+0x1c/0x28
[  510.366825][T11442]  sysfs_create_dir_ns+0x278/0x318
[  510.368213][T11442]  kobject_add_internal+0x514/0xadc
[  510.369627][T11442]  kobject_add+0x14c/0x224
[  510.370841][T11442]  device_add+0x3a0/0xaac
[  510.372014][T11442]  device_register+0x28/0x38
[  510.373309][T11442]  tty_register_device_attr+0x3a4/0x7d4
[  510.374824][T11442]  tty_register_device+0x3c/0x50
[  510.376164][T11442]  gsm_activate_mux+0xdc/0x268
[  510.377504][T11442]  gsmld_ioctl+0x16f0/0x2310
[  510.378766][T11442]  tty_ioctl+0x924/0xd8c
[  510.379925][T11442]  __arm64_sys_ioctl+0x14c/0x1c8
[  510.381334][T11442]  invoke_syscall+0x98/0x2b8
[  510.382594][T11442]  el0_svc_common+0x130/0x23c
[  510.383926][T11442]  do_el0_svc+0x48/0x58
[  510.385036][T11442]  el0_svc+0x58/0x16c
[  510.386141][T11442]  el0t_64_sync_handler+0x84/0xfc
[  510.387577][T11442]  el0t_64_sync+0x190/0x194
[  510.402450][T11442] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.557503][T11445] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  510.563056][T11445] CPU: 1 PID: 11445 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  510.565934][T11445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  510.568616][T11445] Call trace:
[  510.569500][T11445]  dump_backtrace+0x1b8/0x1e4
[  510.570778][T11445]  show_stack+0x2c/0x44
[  510.571916][T11445]  dump_stack_lvl+0xd0/0x124
[  510.573211][T11445]  dump_stack+0x1c/0x28
[  510.574434][T11445]  sysfs_create_dir_ns+0x278/0x318
[  510.575840][T11445]  kobject_add_internal+0x514/0xadc
[  510.577252][T11445]  kobject_add+0x14c/0x224
[  510.578483][T11445]  device_add+0x3a0/0xaac
[  510.579652][T11445]  device_register+0x28/0x38
[  510.580833][T11445]  tty_register_device_attr+0x3a4/0x7d4
[  510.582331][T11445]  tty_register_device+0x3c/0x50
[  510.583675][T11445]  gsm_activate_mux+0xdc/0x268
[  510.584976][T11445]  gsmld_ioctl+0x16f0/0x2310
[  510.586197][T11445]  tty_ioctl+0x924/0xd8c
[  510.587352][T11445]  __arm64_sys_ioctl+0x14c/0x1c8
[  510.588686][T11445]  invoke_syscall+0x98/0x2b8
[  510.589873][T11445]  el0_svc_common+0x130/0x23c
[  510.591183][T11445]  do_el0_svc+0x48/0x58
[  510.592340][T11445]  el0_svc+0x58/0x16c
[  510.593446][T11445]  el0t_64_sync_handler+0x84/0xfc
[  510.594838][T11445]  el0t_64_sync+0x190/0x194
[  510.606531][T11445] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.942059][T11448] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  510.944393][T11448] CPU: 1 PID: 11448 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  510.947314][T11448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  510.950118][T11448] Call trace:
[  510.951019][T11448]  dump_backtrace+0x1b8/0x1e4
[  510.952357][T11448]  show_stack+0x2c/0x44
[  510.953523][T11448]  dump_stack_lvl+0xd0/0x124
[  510.954770][T11448]  dump_stack+0x1c/0x28
[  510.955921][T11448]  sysfs_create_dir_ns+0x278/0x318
[  510.957445][T11448]  kobject_add_internal+0x514/0xadc
[  510.958847][T11448]  kobject_add+0x14c/0x224
[  510.960031][T11448]  device_add+0x3a0/0xaac
[  510.961251][T11448]  device_register+0x28/0x38
[  510.962442][T11448]  tty_register_device_attr+0x3a4/0x7d4
[  510.963998][T11448]  tty_register_device+0x3c/0x50
[  510.965396][T11448]  gsm_activate_mux+0xdc/0x268
[  510.966745][T11448]  gsmld_ioctl+0x16f0/0x2310
[  510.968034][T11448]  tty_ioctl+0x924/0xd8c
[  510.969125][T11448]  __arm64_sys_ioctl+0x14c/0x1c8
[  510.970464][T11448]  invoke_syscall+0x98/0x2b8
[  510.971832][T11448]  el0_svc_common+0x130/0x23c
[  510.973144][T11448]  do_el0_svc+0x48/0x58
[  510.974259][T11448]  el0_svc+0x58/0x16c
[  510.975332][T11448]  el0t_64_sync_handler+0x84/0xfc
[  510.976712][T11448]  el0t_64_sync+0x190/0x194
[  511.004449][T11448] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.231703][T11451] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  511.236430][T11451] CPU: 0 PID: 11451 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  511.239303][T11451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  511.242011][T11451] Call trace:
[  511.242941][T11451]  dump_backtrace+0x1b8/0x1e4
[  511.244243][T11451]  show_stack+0x2c/0x44
[  511.245398][T11451]  dump_stack_lvl+0xd0/0x124
[  511.246617][T11451]  dump_stack+0x1c/0x28
[  511.247750][T11451]  sysfs_create_dir_ns+0x278/0x318
[  511.249213][T11451]  kobject_add_internal+0x514/0xadc
[  511.250658][T11451]  kobject_add+0x14c/0x224
[  511.251859][T11451]  device_add+0x3a0/0xaac
[  511.252985][T11451]  device_register+0x28/0x38
[  511.254258][T11451]  tty_register_device_attr+0x3a4/0x7d4
[  511.255785][T11451]  tty_register_device+0x3c/0x50
[  511.257095][T11451]  gsm_activate_mux+0xdc/0x268
[  511.258377][T11451]  gsmld_ioctl+0x16f0/0x2310
[  511.259679][T11451]  tty_ioctl+0x924/0xd8c
[  511.260860][T11451]  __arm64_sys_ioctl+0x14c/0x1c8
[  511.262225][T11451]  invoke_syscall+0x98/0x2b8
[  511.263486][T11451]  el0_svc_common+0x130/0x23c
[  511.264782][T11451]  do_el0_svc+0x48/0x58
[  511.265892][T11451]  el0_svc+0x58/0x16c
[  511.266997][T11451]  el0t_64_sync_handler+0x84/0xfc
[  511.268335][T11451]  el0t_64_sync+0x190/0x194
[  511.273816][T11451] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.619729][T11454] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  511.624939][T11454] CPU: 1 PID: 11454 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  511.627898][T11454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  511.630676][T11454] Call trace:
[  511.631584][T11454]  dump_backtrace+0x1b8/0x1e4
[  511.632862][T11454]  show_stack+0x2c/0x44
[  511.633990][T11454]  dump_stack_lvl+0xd0/0x124
[  511.635247][T11454]  dump_stack+0x1c/0x28
[  511.636340][T11454]  sysfs_create_dir_ns+0x278/0x318
[  511.637757][T11454]  kobject_add_internal+0x514/0xadc
[  511.639153][T11454]  kobject_add+0x14c/0x224
[  511.640400][T11454]  device_add+0x3a0/0xaac
[  511.641606][T11454]  device_register+0x28/0x38
[  511.642876][T11454]  tty_register_device_attr+0x3a4/0x7d4
[  511.644347][T11454]  tty_register_device+0x3c/0x50
[  511.645732][T11454]  gsm_activate_mux+0xdc/0x268
[  511.647008][T11454]  gsmld_ioctl+0x16f0/0x2310
[  511.648217][T11454]  tty_ioctl+0x924/0xd8c
[  511.649442][T11454]  __arm64_sys_ioctl+0x14c/0x1c8
[  511.650726][T11454]  invoke_syscall+0x98/0x2b8
[  511.652021][T11454]  el0_svc_common+0x130/0x23c
[  511.653320][T11454]  do_el0_svc+0x48/0x58
[  511.654495][T11454]  el0_svc+0x58/0x16c
[  511.655757][T11454]  el0t_64_sync_handler+0x84/0xfc
[  511.657126][T11454]  el0t_64_sync+0x190/0x194
[  511.670320][T11454] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.902320][T11457] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  511.905074][T11457] CPU: 1 PID: 11457 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  511.907856][T11457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  511.910578][T11457] Call trace:
[  511.911489][T11457]  dump_backtrace+0x1b8/0x1e4
[  511.912787][T11457]  show_stack+0x2c/0x44
[  511.913933][T11457]  dump_stack_lvl+0xd0/0x124
[  511.915174][T11457]  dump_stack+0x1c/0x28
[  511.916356][T11457]  sysfs_create_dir_ns+0x278/0x318
[  511.917777][T11457]  kobject_add_internal+0x514/0xadc
[  511.919112][T11457]  kobject_add+0x14c/0x224
[  511.920356][T11457]  device_add+0x3a0/0xaac
[  511.921531][T11457]  device_register+0x28/0x38
[  511.922798][T11457]  tty_register_device_attr+0x3a4/0x7d4
[  511.924300][T11457]  tty_register_device+0x3c/0x50
[  511.925632][T11457]  gsm_activate_mux+0xdc/0x268
[  511.926934][T11457]  gsmld_ioctl+0x16f0/0x2310
[  511.928203][T11457]  tty_ioctl+0x924/0xd8c
[  511.929353][T11457]  __arm64_sys_ioctl+0x14c/0x1c8
[  511.930666][T11457]  invoke_syscall+0x98/0x2b8
[  511.931865][T11457]  el0_svc_common+0x130/0x23c
[  511.933134][T11457]  do_el0_svc+0x48/0x58
[  511.934298][T11457]  el0_svc+0x58/0x16c
[  511.935406][T11457]  el0t_64_sync_handler+0x84/0xfc
[  511.936747][T11457]  el0t_64_sync+0x190/0x194
[  511.951691][T11457] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.134211][T11460] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  512.139193][T11460] CPU: 0 PID: 11460 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  512.142162][T11460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  512.145018][T11460] Call trace:
[  512.145910][T11460]  dump_backtrace+0x1b8/0x1e4
[  512.147230][T11460]  show_stack+0x2c/0x44
[  512.148359][T11460]  dump_stack_lvl+0xd0/0x124
[  512.149635][T11460]  dump_stack+0x1c/0x28
[  512.150743][T11460]  sysfs_create_dir_ns+0x278/0x318
[  512.152091][T11460]  kobject_add_internal+0x514/0xadc
[  512.153525][T11460]  kobject_add+0x14c/0x224
[  512.154741][T11460]  device_add+0x3a0/0xaac
[  512.155881][T11460]  device_register+0x28/0x38
[  512.157110][T11460]  tty_register_device_attr+0x3a4/0x7d4
[  512.158656][T11460]  tty_register_device+0x3c/0x50
[  512.160022][T11460]  gsm_activate_mux+0xdc/0x268
[  512.161285][T11460]  gsmld_ioctl+0x16f0/0x2310
[  512.162591][T11460]  tty_ioctl+0x924/0xd8c
[  512.163767][T11460]  __arm64_sys_ioctl+0x14c/0x1c8
[  512.165163][T11460]  invoke_syscall+0x98/0x2b8
[  512.166456][T11460]  el0_svc_common+0x130/0x23c
[  512.167719][T11460]  do_el0_svc+0x48/0x58
[  512.168848][T11460]  el0_svc+0x58/0x16c
[  512.169906][T11460]  el0t_64_sync_handler+0x84/0xfc
[  512.171243][T11460]  el0t_64_sync+0x190/0x194
[  512.176549][T11460] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.527463][T11463] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  512.533356][T11463] CPU: 1 PID: 11463 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  512.536214][T11463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  512.538993][T11463] Call trace:
[  512.539905][T11463]  dump_backtrace+0x1b8/0x1e4
[  512.541189][T11463]  show_stack+0x2c/0x44
[  512.542342][T11463]  dump_stack_lvl+0xd0/0x124
[  512.543631][T11463]  dump_stack+0x1c/0x28
[  512.544876][T11463]  sysfs_create_dir_ns+0x278/0x318
[  512.546272][T11463]  kobject_add_internal+0x514/0xadc
[  512.547664][T11463]  kobject_add+0x14c/0x224
[  512.548916][T11463]  device_add+0x3a0/0xaac
[  512.550097][T11463]  device_register+0x28/0x38
[  512.551336][T11463]  tty_register_device_attr+0x3a4/0x7d4
[  512.552848][T11463]  tty_register_device+0x3c/0x50
[  512.554191][T11463]  gsm_activate_mux+0xdc/0x268
[  512.555521][T11463]  gsmld_ioctl+0x16f0/0x2310
[  512.556799][T11463]  tty_ioctl+0x924/0xd8c
[  512.558023][T11463]  __arm64_sys_ioctl+0x14c/0x1c8
[  512.559320][T11463]  invoke_syscall+0x98/0x2b8
[  512.560540][T11463]  el0_svc_common+0x130/0x23c
[  512.561806][T11463]  do_el0_svc+0x48/0x58
[  512.562936][T11463]  el0_svc+0x58/0x16c
[  512.564033][T11463]  el0t_64_sync_handler+0x84/0xfc
[  512.565441][T11463]  el0t_64_sync+0x190/0x194
[  512.573584][T11463] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.829935][T11466] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  512.832196][T11466] CPU: 0 PID: 11466 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  512.834976][T11466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  512.837670][T11466] Call trace:
[  512.838541][T11466]  dump_backtrace+0x1b8/0x1e4
[  512.839779][T11466]  show_stack+0x2c/0x44
[  512.840911][T11466]  dump_stack_lvl+0xd0/0x124
[  512.842176][T11466]  dump_stack+0x1c/0x28
[  512.843350][T11466]  sysfs_create_dir_ns+0x278/0x318
[  512.844719][T11466]  kobject_add_internal+0x514/0xadc
[  512.846038][T11466]  kobject_add+0x14c/0x224
[  512.847206][T11466]  device_add+0x3a0/0xaac
[  512.848363][T11466]  device_register+0x28/0x38
[  512.849624][T11466]  tty_register_device_attr+0x3a4/0x7d4
[  512.851152][T11466]  tty_register_device+0x3c/0x50
[  512.852492][T11466]  gsm_activate_mux+0xdc/0x268
[  512.853739][T11466]  gsmld_ioctl+0x16f0/0x2310
[  512.854983][T11466]  tty_ioctl+0x924/0xd8c
[  512.856108][T11466]  __arm64_sys_ioctl+0x14c/0x1c8
[  512.857382][T11466]  invoke_syscall+0x98/0x2b8
[  512.858633][T11466]  el0_svc_common+0x130/0x23c
[  512.859885][T11466]  do_el0_svc+0x48/0x58
[  512.860993][T11466]  el0_svc+0x58/0x16c
[  512.862115][T11466]  el0t_64_sync_handler+0x84/0xfc
[  512.863454][T11466]  el0t_64_sync+0x190/0x194
[  512.868951][T11466] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.063275][T11469] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  513.065530][T11469] CPU: 1 PID: 11469 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  513.068387][T11469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  513.071063][T11469] Call trace:
[  513.071943][T11469]  dump_backtrace+0x1b8/0x1e4
[  513.073198][T11469]  show_stack+0x2c/0x44
[  513.074315][T11469]  dump_stack_lvl+0xd0/0x124
[  513.075615][T11469]  dump_stack+0x1c/0x28
[  513.076732][T11469]  sysfs_create_dir_ns+0x278/0x318
[  513.078098][T11469]  kobject_add_internal+0x514/0xadc
[  513.079472][T11469]  kobject_add+0x14c/0x224
[  513.080625][T11469]  device_add+0x3a0/0xaac
[  513.081789][T11469]  device_register+0x28/0x38
[  513.083106][T11469]  tty_register_device_attr+0x3a4/0x7d4
[  513.084658][T11469]  tty_register_device+0x3c/0x50
[  513.085984][T11469]  gsm_activate_mux+0xdc/0x268
[  513.087288][T11469]  gsmld_ioctl+0x16f0/0x2310
[  513.088544][T11469]  tty_ioctl+0x924/0xd8c
[  513.089691][T11469]  __arm64_sys_ioctl+0x14c/0x1c8
[  513.090971][T11469]  invoke_syscall+0x98/0x2b8
[  513.092231][T11469]  el0_svc_common+0x130/0x23c
[  513.093507][T11469]  do_el0_svc+0x48/0x58
[  513.094601][T11469]  el0_svc+0x58/0x16c
[  513.095714][T11469]  el0t_64_sync_handler+0x84/0xfc
[  513.097078][T11469]  el0t_64_sync+0x190/0x194
[  513.112066][T11469] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.301619][T11472] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  513.304066][T11472] CPU: 1 PID: 11472 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  513.306927][T11472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  513.309742][T11472] Call trace:
[  513.310639][T11472]  dump_backtrace+0x1b8/0x1e4
[  513.311911][T11472]  show_stack+0x2c/0x44
[  513.313038][T11472]  dump_stack_lvl+0xd0/0x124
[  513.314263][T11472]  dump_stack+0x1c/0x28
[  513.315359][T11472]  sysfs_create_dir_ns+0x278/0x318
[  513.316739][T11472]  kobject_add_internal+0x514/0xadc
[  513.318163][T11472]  kobject_add+0x14c/0x224
[  513.319329][T11472]  device_add+0x3a0/0xaac
[  513.320505][T11472]  device_register+0x28/0x38
[  513.321715][T11472]  tty_register_device_attr+0x3a4/0x7d4
[  513.323222][T11472]  tty_register_device+0x3c/0x50
[  513.324598][T11472]  gsm_activate_mux+0xdc/0x268
[  513.325870][T11472]  gsmld_ioctl+0x16f0/0x2310
[  513.327160][T11472]  tty_ioctl+0x924/0xd8c
[  513.328295][T11472]  __arm64_sys_ioctl+0x14c/0x1c8
[  513.329647][T11472]  invoke_syscall+0x98/0x2b8
[  513.330897][T11472]  el0_svc_common+0x130/0x23c
[  513.332181][T11472]  do_el0_svc+0x48/0x58
[  513.333323][T11472]  el0_svc+0x58/0x16c
[  513.334396][T11472]  el0t_64_sync_handler+0x84/0xfc
[  513.335759][T11472]  el0t_64_sync+0x190/0x194
[  513.341933][T11472] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.535534][T11475] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  513.540349][T11475] CPU: 1 PID: 11475 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  513.543130][T11475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  513.545830][T11475] Call trace:
[  513.546728][T11475]  dump_backtrace+0x1b8/0x1e4
[  513.548039][T11475]  show_stack+0x2c/0x44
[  513.549174][T11475]  dump_stack_lvl+0xd0/0x124
[  513.550428][T11475]  dump_stack+0x1c/0x28
[  513.551526][T11475]  sysfs_create_dir_ns+0x278/0x318
[  513.552848][T11475]  kobject_add_internal+0x514/0xadc
[  513.554258][T11475]  kobject_add+0x14c/0x224
[  513.555430][T11475]  device_add+0x3a0/0xaac
[  513.556691][T11475]  device_register+0x28/0x38
[  513.557926][T11475]  tty_register_device_attr+0x3a4/0x7d4
[  513.559463][T11475]  tty_register_device+0x3c/0x50
[  513.560764][T11475]  gsm_activate_mux+0xdc/0x268
[  513.562030][T11475]  gsmld_ioctl+0x16f0/0x2310
[  513.563209][T11475]  tty_ioctl+0x924/0xd8c
[  513.564336][T11475]  __arm64_sys_ioctl+0x14c/0x1c8
[  513.565663][T11475]  invoke_syscall+0x98/0x2b8
[  513.566947][T11475]  el0_svc_common+0x130/0x23c
[  513.568227][T11475]  do_el0_svc+0x48/0x58
[  513.569362][T11475]  el0_svc+0x58/0x16c
[  513.570426][T11475]  el0t_64_sync_handler+0x84/0xfc
[  513.571793][T11475]  el0t_64_sync+0x190/0x194
[  513.583995][T11475] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.765271][T11478] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  513.773270][T11478] CPU: 0 PID: 11478 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  513.776081][T11478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  513.778792][T11478] Call trace:
[  513.779651][T11478]  dump_backtrace+0x1b8/0x1e4
[  513.780877][T11478]  show_stack+0x2c/0x44
[  513.781962][T11478]  dump_stack_lvl+0xd0/0x124
[  513.783142][T11478]  dump_stack+0x1c/0x28
[  513.784268][T11478]  sysfs_create_dir_ns+0x278/0x318
[  513.785642][T11478]  kobject_add_internal+0x514/0xadc
[  513.787050][T11478]  kobject_add+0x14c/0x224
[  513.788216][T11478]  device_add+0x3a0/0xaac
[  513.789368][T11478]  device_register+0x28/0x38
[  513.790596][T11478]  tty_register_device_attr+0x3a4/0x7d4
[  513.792116][T11478]  tty_register_device+0x3c/0x50
[  513.793390][T11478]  gsm_activate_mux+0xdc/0x268
[  513.794664][T11478]  gsmld_ioctl+0x16f0/0x2310
[  513.795921][T11478]  tty_ioctl+0x924/0xd8c
[  513.797032][T11478]  __arm64_sys_ioctl+0x14c/0x1c8
[  513.798308][T11478]  invoke_syscall+0x98/0x2b8
[  513.799542][T11478]  el0_svc_common+0x130/0x23c
[  513.800800][T11478]  do_el0_svc+0x48/0x58
[  513.801927][T11478]  el0_svc+0x58/0x16c
[  513.802991][T11478]  el0t_64_sync_handler+0x84/0xfc
[  513.804356][T11478]  el0t_64_sync+0x190/0x194
[  513.813037][T11478] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.002965][T11481] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.005233][T11481] CPU: 0 PID: 11481 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  514.008079][T11481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  514.010825][T11481] Call trace:
[  514.011723][T11481]  dump_backtrace+0x1b8/0x1e4
[  514.012980][T11481]  show_stack+0x2c/0x44
[  514.014099][T11481]  dump_stack_lvl+0xd0/0x124
[  514.015367][T11481]  dump_stack+0x1c/0x28
[  514.016532][T11481]  sysfs_create_dir_ns+0x278/0x318
[  514.017867][T11481]  kobject_add_internal+0x514/0xadc
[  514.019229][T11481]  kobject_add+0x14c/0x224
[  514.020417][T11481]  device_add+0x3a0/0xaac
[  514.021603][T11481]  device_register+0x28/0x38
[  514.022877][T11481]  tty_register_device_attr+0x3a4/0x7d4
[  514.024392][T11481]  tty_register_device+0x3c/0x50
[  514.025696][T11481]  gsm_activate_mux+0xdc/0x268
[  514.027049][T11481]  gsmld_ioctl+0x16f0/0x2310
[  514.028284][T11481]  tty_ioctl+0x924/0xd8c
[  514.029389][T11481]  __arm64_sys_ioctl+0x14c/0x1c8
[  514.030772][T11481]  invoke_syscall+0x98/0x2b8
[  514.032022][T11481]  el0_svc_common+0x130/0x23c
[  514.033292][T11481]  do_el0_svc+0x48/0x58
[  514.034378][T11481]  el0_svc+0x58/0x16c
[  514.035437][T11481]  el0t_64_sync_handler+0x84/0xfc
[  514.036849][T11481]  el0t_64_sync+0x190/0x194
[  514.048875][T11481] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.232538][T11484] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.234849][T11484] CPU: 1 PID: 11484 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  514.237712][T11484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  514.240418][T11484] Call trace:
[  514.241319][T11484]  dump_backtrace+0x1b8/0x1e4
[  514.242664][T11484]  show_stack+0x2c/0x44
[  514.243793][T11484]  dump_stack_lvl+0xd0/0x124
[  514.245079][T11484]  dump_stack+0x1c/0x28
[  514.246142][T11484]  sysfs_create_dir_ns+0x278/0x318
[  514.247515][T11484]  kobject_add_internal+0x514/0xadc
[  514.248970][T11484]  kobject_add+0x14c/0x224
[  514.250111][T11484]  device_add+0x3a0/0xaac
[  514.251342][T11484]  device_register+0x28/0x38
[  514.252575][T11484]  tty_register_device_attr+0x3a4/0x7d4
[  514.254045][T11484]  tty_register_device+0x3c/0x50
[  514.255438][T11484]  gsm_activate_mux+0xdc/0x268
[  514.256711][T11484]  gsmld_ioctl+0x16f0/0x2310
[  514.257912][T11484]  tty_ioctl+0x924/0xd8c
[  514.259011][T11484]  __arm64_sys_ioctl+0x14c/0x1c8
[  514.260339][T11484]  invoke_syscall+0x98/0x2b8
[  514.261524][T11484]  el0_svc_common+0x130/0x23c
[  514.262824][T11484]  do_el0_svc+0x48/0x58
[  514.263936][T11484]  el0_svc+0x58/0x16c
[  514.264994][T11484]  el0t_64_sync_handler+0x84/0xfc
[  514.266333][T11484]  el0t_64_sync+0x190/0x194
[  514.272384][T11484] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.278535][T11484] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.281099][T11484] CPU: 1 PID: 11484 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  514.283812][T11484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  514.286417][T11484] Call trace:
[  514.287327][T11484]  dump_backtrace+0x1b8/0x1e4
[  514.288613][T11484]  show_stack+0x2c/0x44
[  514.289705][T11484]  dump_stack_lvl+0xd0/0x124
[  514.290987][T11484]  dump_stack+0x1c/0x28
[  514.292102][T11484]  sysfs_create_dir_ns+0x278/0x318
[  514.293504][T11484]  kobject_add_internal+0x514/0xadc
[  514.294907][T11484]  kobject_add+0x14c/0x224
[  514.296070][T11484]  device_add+0x3a0/0xaac
[  514.297286][T11484]  device_register+0x28/0x38
[  514.298513][T11484]  tty_register_device_attr+0x3a4/0x7d4
[  514.299972][T11484]  tty_register_device+0x3c/0x50
[  514.301330][T11484]  gsm_activate_mux+0xdc/0x268
[  514.302603][T11484]  gsmld_ioctl+0x16f0/0x2310
[  514.303851][T11484]  tty_ioctl+0x924/0xd8c
[  514.304976][T11484]  __arm64_sys_ioctl+0x14c/0x1c8
[  514.306284][T11484]  invoke_syscall+0x98/0x2b8
[  514.307526][T11484]  el0_svc_common+0x130/0x23c
[  514.308772][T11484]  do_el0_svc+0x48/0x58
[  514.309899][T11484]  el0_svc+0x58/0x16c
[  514.311009][T11484]  el0t_64_sync_handler+0x84/0xfc
[  514.312401][T11484]  el0t_64_sync+0x190/0x194
[  514.315040][T11484] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.484081][T11487] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.490157][T11487] CPU: 0 PID: 11487 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  514.493009][T11487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  514.495776][T11487] Call trace:
[  514.496679][T11487]  dump_backtrace+0x1b8/0x1e4
[  514.497924][T11487]  show_stack+0x2c/0x44
[  514.499075][T11487]  dump_stack_lvl+0xd0/0x124
[  514.500333][T11487]  dump_stack+0x1c/0x28
[  514.501476][T11487]  sysfs_create_dir_ns+0x278/0x318
[  514.502876][T11487]  kobject_add_internal+0x514/0xadc
[  514.504299][T11487]  kobject_add+0x14c/0x224
[  514.505516][T11487]  device_add+0x3a0/0xaac
[  514.506720][T11487]  device_register+0x28/0x38
[  514.507949][T11487]  tty_register_device_attr+0x3a4/0x7d4
[  514.509423][T11487]  tty_register_device+0x3c/0x50
[  514.510772][T11487]  gsm_activate_mux+0xdc/0x268
[  514.512049][T11487]  gsmld_ioctl+0x16f0/0x2310
[  514.513329][T11487]  tty_ioctl+0x924/0xd8c
[  514.514428][T11487]  __arm64_sys_ioctl+0x14c/0x1c8
[  514.515793][T11487]  invoke_syscall+0x98/0x2b8
[  514.517073][T11487]  el0_svc_common+0x130/0x23c
[  514.518346][T11487]  do_el0_svc+0x48/0x58
[  514.519401][T11487]  el0_svc+0x58/0x16c
[  514.520458][T11487]  el0t_64_sync_handler+0x84/0xfc
[  514.521830][T11487]  el0t_64_sync+0x190/0x194
[  514.528065][T11487] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.532306][T11487] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.534510][T11487] CPU: 0 PID: 11487 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  514.537330][T11487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  514.540099][T11487] Call trace:
[  514.540984][T11487]  dump_backtrace+0x1b8/0x1e4
[  514.542265][T11487]  show_stack+0x2c/0x44
[  514.543351][T11487]  dump_stack_lvl+0xd0/0x124
[  514.544611][T11487]  dump_stack+0x1c/0x28
[  514.545742][T11487]  sysfs_create_dir_ns+0x278/0x318
[  514.547113][T11487]  kobject_add_internal+0x514/0xadc
[  514.548500][T11487]  kobject_add+0x14c/0x224
[  514.549690][T11487]  device_add+0x3a0/0xaac
[  514.550901][T11487]  device_register+0x28/0x38
[  514.552120][T11487]  tty_register_device_attr+0x3a4/0x7d4
[  514.553628][T11487]  tty_register_device+0x3c/0x50
[  514.554920][T11487]  gsm_activate_mux+0xdc/0x268
[  514.556186][T11487]  gsmld_ioctl+0x16f0/0x2310
[  514.557453][T11487]  tty_ioctl+0x924/0xd8c
[  514.558598][T11487]  __arm64_sys_ioctl+0x14c/0x1c8
[  514.559863][T11487]  invoke_syscall+0x98/0x2b8
[  514.561108][T11487]  el0_svc_common+0x130/0x23c
[  514.562366][T11487]  do_el0_svc+0x48/0x58
[  514.563546][T11487]  el0_svc+0x58/0x16c
[  514.564687][T11487]  el0t_64_sync_handler+0x84/0xfc
[  514.566046][T11487]  el0t_64_sync+0x190/0x194
[  514.573850][T11487] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.737843][T11490] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.740158][T11490] CPU: 1 PID: 11490 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  514.743032][T11490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  514.745779][T11490] Call trace:
[  514.746696][T11490]  dump_backtrace+0x1b8/0x1e4
[  514.748006][T11490]  show_stack+0x2c/0x44
[  514.749148][T11490]  dump_stack_lvl+0xd0/0x124
[  514.750457][T11490]  dump_stack+0x1c/0x28
[  514.751657][T11490]  sysfs_create_dir_ns+0x278/0x318
[  514.753018][T11490]  kobject_add_internal+0x514/0xadc
[  514.754451][T11490]  kobject_add+0x14c/0x224
[  514.755648][T11490]  device_add+0x3a0/0xaac
[  514.756893][T11490]  device_register+0x28/0x38
[  514.758244][T11490]  tty_register_device_attr+0x3a4/0x7d4
[  514.759799][T11490]  tty_register_device+0x3c/0x50
[  514.761120][T11490]  gsm_activate_mux+0xdc/0x268
[  514.762459][T11490]  gsmld_ioctl+0x16f0/0x2310
[  514.763745][T11490]  tty_ioctl+0x924/0xd8c
[  514.764907][T11490]  __arm64_sys_ioctl+0x14c/0x1c8
[  514.766241][T11490]  invoke_syscall+0x98/0x2b8
[  514.767516][T11490]  el0_svc_common+0x130/0x23c
[  514.768773][T11490]  do_el0_svc+0x48/0x58
[  514.769903][T11490]  el0_svc+0x58/0x16c
[  514.770950][T11490]  el0t_64_sync_handler+0x84/0xfc
[  514.772340][T11490]  el0t_64_sync+0x190/0x194
[  514.774764][T11490] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.968731][T11493] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  514.972432][T11493] CPU: 0 PID: 11493 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  514.975250][T11493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  514.977997][T11493] Call trace:
[  514.978847][T11493]  dump_backtrace+0x1b8/0x1e4
[  514.980071][T11493]  show_stack+0x2c/0x44
[  514.981194][T11493]  dump_stack_lvl+0xd0/0x124
[  514.982449][T11493]  dump_stack+0x1c/0x28
[  514.983623][T11493]  sysfs_create_dir_ns+0x278/0x318
[  514.985013][T11493]  kobject_add_internal+0x514/0xadc
[  514.986363][T11493]  kobject_add+0x14c/0x224
[  514.987577][T11493]  device_add+0x3a0/0xaac
[  514.988733][T11493]  device_register+0x28/0x38
[  514.989910][T11493]  tty_register_device_attr+0x3a4/0x7d4
[  514.991362][T11493]  tty_register_device+0x3c/0x50
[  514.992681][T11493]  gsm_activate_mux+0xdc/0x268
[  514.994012][T11493]  gsmld_ioctl+0x16f0/0x2310
[  514.995291][T11493]  tty_ioctl+0x924/0xd8c
[  514.996425][T11493]  __arm64_sys_ioctl+0x14c/0x1c8
[  514.997818][T11493]  invoke_syscall+0x98/0x2b8
[  514.999024][T11493]  el0_svc_common+0x130/0x23c
[  515.000222][T11493]  do_el0_svc+0x48/0x58
[  515.001281][T11493]  el0_svc+0x58/0x16c
[  515.002380][T11493]  el0t_64_sync_handler+0x84/0xfc
[  515.003720][T11493]  el0t_64_sync+0x190/0x194
[  515.017231][T11493] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.200128][T11496] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  515.202456][T11496] CPU: 1 PID: 11496 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  515.205375][T11496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  515.208158][T11496] Call trace:
[  515.209058][T11496]  dump_backtrace+0x1b8/0x1e4
[  515.210364][T11496]  show_stack+0x2c/0x44
[  515.211515][T11496]  dump_stack_lvl+0xd0/0x124
[  515.212728][T11496]  dump_stack+0x1c/0x28
[  515.213913][T11496]  sysfs_create_dir_ns+0x278/0x318
[  515.215301][T11496]  kobject_add_internal+0x514/0xadc
[  515.216730][T11496]  kobject_add+0x14c/0x224
[  515.217932][T11496]  device_add+0x3a0/0xaac
[  515.219094][T11496]  device_register+0x28/0x38
[  515.220310][T11496]  tty_register_device_attr+0x3a4/0x7d4
[  515.221842][T11496]  tty_register_device+0x3c/0x50
[  515.223131][T11496]  gsm_activate_mux+0xdc/0x268
[  515.224393][T11496]  gsmld_ioctl+0x16f0/0x2310
[  515.225668][T11496]  tty_ioctl+0x924/0xd8c
[  515.226809][T11496]  __arm64_sys_ioctl+0x14c/0x1c8
[  515.228166][T11496]  invoke_syscall+0x98/0x2b8
[  515.229429][T11496]  el0_svc_common+0x130/0x23c
[  515.230719][T11496]  do_el0_svc+0x48/0x58
[  515.231835][T11496]  el0_svc+0x58/0x16c
[  515.232891][T11496]  el0t_64_sync_handler+0x84/0xfc
[  515.234292][T11496]  el0t_64_sync+0x190/0x194
[  515.238546][T11496] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.441939][T11499] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  515.444148][T11499] CPU: 0 PID: 11499 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  515.447019][T11499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  515.449773][T11499] Call trace:
[  515.450680][T11499]  dump_backtrace+0x1b8/0x1e4
[  515.451923][T11499]  show_stack+0x2c/0x44
[  515.453008][T11499]  dump_stack_lvl+0xd0/0x124
[  515.454262][T11499]  dump_stack+0x1c/0x28
[  515.455401][T11499]  sysfs_create_dir_ns+0x278/0x318
[  515.456771][T11499]  kobject_add_internal+0x514/0xadc
[  515.458203][T11499]  kobject_add+0x14c/0x224
[  515.459434][T11499]  device_add+0x3a0/0xaac
[  515.460646][T11499]  device_register+0x28/0x38
[  515.461901][T11499]  tty_register_device_attr+0x3a4/0x7d4
[  515.463347][T11499]  tty_register_device+0x3c/0x50
[  515.464628][T11499]  gsm_activate_mux+0xdc/0x268
[  515.465966][T11499]  gsmld_ioctl+0x16f0/0x2310
[  515.467176][T11499]  tty_ioctl+0x924/0xd8c
[  515.468264][T11499]  __arm64_sys_ioctl+0x14c/0x1c8
[  515.469590][T11499]  invoke_syscall+0x98/0x2b8
[  515.470806][T11499]  el0_svc_common+0x130/0x23c
[  515.472079][T11499]  do_el0_svc+0x48/0x58
[  515.473175][T11499]  el0_svc+0x58/0x16c
[  515.474251][T11499]  el0t_64_sync_handler+0x84/0xfc
[  515.475602][T11499]  el0t_64_sync+0x190/0x194
[  515.483824][T11499] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.682718][T11502] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  515.685029][T11502] CPU: 1 PID: 11502 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  515.688126][T11502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  515.690955][T11502] Call trace:
[  515.691921][T11502]  dump_backtrace+0x1b8/0x1e4
[  515.693209][T11502]  show_stack+0x2c/0x44
[  515.694352][T11502]  dump_stack_lvl+0xd0/0x124
[  515.695624][T11502]  dump_stack+0x1c/0x28
[  515.696750][T11502]  sysfs_create_dir_ns+0x278/0x318
[  515.698188][T11502]  kobject_add_internal+0x514/0xadc
[  515.699608][T11502]  kobject_add+0x14c/0x224
[  515.700826][T11502]  device_add+0x3a0/0xaac
[  515.702011][T11502]  device_register+0x28/0x38
[  515.703250][T11502]  tty_register_device_attr+0x3a4/0x7d4
[  515.704824][T11502]  tty_register_device+0x3c/0x50
[  515.706143][T11502]  gsm_activate_mux+0xdc/0x268
[  515.707452][T11502]  gsmld_ioctl+0x16f0/0x2310
[  515.708713][T11502]  tty_ioctl+0x924/0xd8c
[  515.709863][T11502]  __arm64_sys_ioctl+0x14c/0x1c8
[  515.711199][T11502]  invoke_syscall+0x98/0x2b8
[  515.712526][T11502]  el0_svc_common+0x130/0x23c
[  515.713803][T11502]  do_el0_svc+0x48/0x58
[  515.714977][T11502]  el0_svc+0x58/0x16c
[  515.716052][T11502]  el0t_64_sync_handler+0x84/0xfc
[  515.717403][T11502]  el0t_64_sync+0x190/0x194
[  515.749271][T11502] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.927064][T11505] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  515.929842][T11505] CPU: 1 PID: 11505 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  515.932751][T11505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  515.935530][T11505] Call trace:
[  515.936421][T11505]  dump_backtrace+0x1b8/0x1e4
[  515.937693][T11505]  show_stack+0x2c/0x44
[  515.938859][T11505]  dump_stack_lvl+0xd0/0x124
[  515.940090][T11505]  dump_stack+0x1c/0x28
[  515.941242][T11505]  sysfs_create_dir_ns+0x278/0x318
[  515.942677][T11505]  kobject_add_internal+0x514/0xadc
[  515.944052][T11505]  kobject_add+0x14c/0x224
[  515.945230][T11505]  device_add+0x3a0/0xaac
[  515.946361][T11505]  device_register+0x28/0x38
[  515.947595][T11505]  tty_register_device_attr+0x3a4/0x7d4
[  515.949162][T11505]  tty_register_device+0x3c/0x50
[  515.950550][T11505]  gsm_activate_mux+0xdc/0x268
[  515.951874][T11505]  gsmld_ioctl+0x16f0/0x2310
[  515.953150][T11505]  tty_ioctl+0x924/0xd8c
[  515.954296][T11505]  __arm64_sys_ioctl+0x14c/0x1c8
[  515.955697][T11505]  invoke_syscall+0x98/0x2b8
[  515.956908][T11505]  el0_svc_common+0x130/0x23c
[  515.958155][T11505]  do_el0_svc+0x48/0x58
[  515.959248][T11505]  el0_svc+0x58/0x16c
[  515.960370][T11505]  el0t_64_sync_handler+0x84/0xfc
[  515.961685][T11505]  el0t_64_sync+0x190/0x194
[  515.967967][T11505] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.169921][T11508] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  516.174018][T11508] CPU: 1 PID: 11508 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  516.176913][T11508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  516.179591][T11508] Call trace:
[  516.180453][T11508]  dump_backtrace+0x1b8/0x1e4
[  516.181798][T11508]  show_stack+0x2c/0x44
[  516.182942][T11508]  dump_stack_lvl+0xd0/0x124
[  516.184167][T11508]  dump_stack+0x1c/0x28
[  516.185320][T11508]  sysfs_create_dir_ns+0x278/0x318
[  516.186803][T11508]  kobject_add_internal+0x514/0xadc
[  516.188296][T11508]  kobject_add+0x14c/0x224
[  516.189536][T11508]  device_add+0x3a0/0xaac
[  516.190707][T11508]  device_register+0x28/0x38
[  516.192003][T11508]  tty_register_device_attr+0x3a4/0x7d4
[  516.193475][T11508]  tty_register_device+0x3c/0x50
[  516.194835][T11508]  gsm_activate_mux+0xdc/0x268
[  516.196173][T11508]  gsmld_ioctl+0x16f0/0x2310
[  516.197432][T11508]  tty_ioctl+0x924/0xd8c
[  516.198638][T11508]  __arm64_sys_ioctl+0x14c/0x1c8
[  516.200044][T11508]  invoke_syscall+0x98/0x2b8
[  516.201333][T11508]  el0_svc_common+0x130/0x23c
[  516.202758][T11508]  do_el0_svc+0x48/0x58
[  516.203877][T11508]  el0_svc+0x58/0x16c
[  516.204963][T11508]  el0t_64_sync_handler+0x84/0xfc
[  516.206326][T11508]  el0t_64_sync+0x190/0x194
[  516.220458][T11508] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.604805][T11511] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  516.610059][T11511] CPU: 1 PID: 11511 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  516.612982][T11511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  516.615763][T11511] Call trace:
[  516.616635][T11511]  dump_backtrace+0x1b8/0x1e4
[  516.617937][T11511]  show_stack+0x2c/0x44
[  516.619104][T11511]  dump_stack_lvl+0xd0/0x124
[  516.620308][T11511]  dump_stack+0x1c/0x28
[  516.621422][T11511]  sysfs_create_dir_ns+0x278/0x318
[  516.622836][T11511]  kobject_add_internal+0x514/0xadc
[  516.624305][T11511]  kobject_add+0x14c/0x224
[  516.625526][T11511]  device_add+0x3a0/0xaac
[  516.626732][T11511]  device_register+0x28/0x38
[  516.627957][T11511]  tty_register_device_attr+0x3a4/0x7d4
[  516.629473][T11511]  tty_register_device+0x3c/0x50
[  516.630771][T11511]  gsm_activate_mux+0xdc/0x268
[  516.632060][T11511]  gsmld_ioctl+0x16f0/0x2310
[  516.633311][T11511]  tty_ioctl+0x924/0xd8c
[  516.634466][T11511]  __arm64_sys_ioctl+0x14c/0x1c8
[  516.635794][T11511]  invoke_syscall+0x98/0x2b8
[  516.637029][T11511]  el0_svc_common+0x130/0x23c
[  516.638354][T11511]  do_el0_svc+0x48/0x58
[  516.639486][T11511]  el0_svc+0x58/0x16c
[  516.640589][T11511]  el0t_64_sync_handler+0x84/0xfc
[  516.641972][T11511]  el0t_64_sync+0x190/0x194
[  516.650321][T11511] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.061074][T11514] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  517.063361][T11514] CPU: 0 PID: 11514 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  517.066168][T11514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  517.068915][T11514] Call trace:
[  517.069796][T11514]  dump_backtrace+0x1b8/0x1e4
[  517.071065][T11514]  show_stack+0x2c/0x44
[  517.072226][T11514]  dump_stack_lvl+0xd0/0x124
[  517.073462][T11514]  dump_stack+0x1c/0x28
[  517.074605][T11514]  sysfs_create_dir_ns+0x278/0x318
[  517.076040][T11514]  kobject_add_internal+0x514/0xadc
[  517.077412][T11514]  kobject_add+0x14c/0x224
[  517.078642][T11514]  device_add+0x3a0/0xaac
[  517.079800][T11514]  device_register+0x28/0x38
[  517.081084][T11514]  tty_register_device_attr+0x3a4/0x7d4
[  517.082620][T11514]  tty_register_device+0x3c/0x50
[  517.083999][T11514]  gsm_activate_mux+0xdc/0x268
[  517.085318][T11514]  gsmld_ioctl+0x16f0/0x2310
[  517.086617][T11514]  tty_ioctl+0x924/0xd8c
[  517.087744][T11514]  __arm64_sys_ioctl+0x14c/0x1c8
[  517.089068][T11514]  invoke_syscall+0x98/0x2b8
[  517.090294][T11514]  el0_svc_common+0x130/0x23c
[  517.091546][T11514]  do_el0_svc+0x48/0x58
[  517.092663][T11514]  el0_svc+0x58/0x16c
[  517.093766][T11514]  el0t_64_sync_handler+0x84/0xfc
[  517.095120][T11514]  el0t_64_sync+0x190/0x194
[  517.103288][T11514] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.353473][T11517] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  517.356290][T11517] CPU: 0 PID: 11517 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  517.359081][T11517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  517.361807][T11517] Call trace:
[  517.362679][T11517]  dump_backtrace+0x1b8/0x1e4
[  517.363957][T11517]  show_stack+0x2c/0x44
[  517.365063][T11517]  dump_stack_lvl+0xd0/0x124
[  517.366295][T11517]  dump_stack+0x1c/0x28
[  517.367390][T11517]  sysfs_create_dir_ns+0x278/0x318
[  517.368751][T11517]  kobject_add_internal+0x514/0xadc
[  517.370166][T11517]  kobject_add+0x14c/0x224
[  517.371480][T11517]  device_add+0x3a0/0xaac
[  517.372671][T11517]  device_register+0x28/0x38
[  517.373871][T11517]  tty_register_device_attr+0x3a4/0x7d4
[  517.375368][T11517]  tty_register_device+0x3c/0x50
[  517.376754][T11517]  gsm_activate_mux+0xdc/0x268
[  517.378052][T11517]  gsmld_ioctl+0x16f0/0x2310
[  517.379312][T11517]  tty_ioctl+0x924/0xd8c
[  517.380502][T11517]  __arm64_sys_ioctl+0x14c/0x1c8
[  517.381833][T11517]  invoke_syscall+0x98/0x2b8
[  517.383111][T11517]  el0_svc_common+0x130/0x23c
[  517.384369][T11517]  do_el0_svc+0x48/0x58
[  517.385513][T11517]  el0_svc+0x58/0x16c
[  517.386599][T11517]  el0t_64_sync_handler+0x84/0xfc
[  517.387966][T11517]  el0t_64_sync+0x190/0x194
[  517.398593][T11517] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.594250][T11520] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  517.597592][T11520] CPU: 1 PID: 11520 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  517.600428][T11520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  517.603161][T11520] Call trace:
[  517.604017][T11520]  dump_backtrace+0x1b8/0x1e4
[  517.605275][T11520]  show_stack+0x2c/0x44
[  517.606406][T11520]  dump_stack_lvl+0xd0/0x124
[  517.607642][T11520]  dump_stack+0x1c/0x28
[  517.608735][T11520]  sysfs_create_dir_ns+0x278/0x318
[  517.610126][T11520]  kobject_add_internal+0x514/0xadc
[  517.611589][T11520]  kobject_add+0x14c/0x224
[  517.612811][T11520]  device_add+0x3a0/0xaac
[  517.613990][T11520]  device_register+0x28/0x38
[  517.615230][T11520]  tty_register_device_attr+0x3a4/0x7d4
[  517.616751][T11520]  tty_register_device+0x3c/0x50
[  517.618109][T11520]  gsm_activate_mux+0xdc/0x268
[  517.619405][T11520]  gsmld_ioctl+0x16f0/0x2310
[  517.620634][T11520]  tty_ioctl+0x924/0xd8c
[  517.621770][T11520]  __arm64_sys_ioctl+0x14c/0x1c8
[  517.623118][T11520]  invoke_syscall+0x98/0x2b8
[  517.624357][T11520]  el0_svc_common+0x130/0x23c
[  517.625648][T11520]  do_el0_svc+0x48/0x58
[  517.626760][T11520]  el0_svc+0x58/0x16c
[  517.627879][T11520]  el0t_64_sync_handler+0x84/0xfc
[  517.629288][T11520]  el0t_64_sync+0x190/0x194
[  517.633364][T11520] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.837757][T11523] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  517.839995][T11523] CPU: 0 PID: 11523 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  517.842788][T11523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  517.845391][T11523] Call trace:
[  517.846290][T11523]  dump_backtrace+0x1b8/0x1e4
[  517.847596][T11523]  show_stack+0x2c/0x44
[  517.848721][T11523]  dump_stack_lvl+0xd0/0x124
[  517.849952][T11523]  dump_stack+0x1c/0x28
[  517.851034][T11523]  sysfs_create_dir_ns+0x278/0x318
[  517.852510][T11523]  kobject_add_internal+0x514/0xadc
[  517.853939][T11523]  kobject_add+0x14c/0x224
[  517.855143][T11523]  device_add+0x3a0/0xaac
[  517.856220][T11523]  device_register+0x28/0x38
[  517.857416][T11523]  tty_register_device_attr+0x3a4/0x7d4
[  517.858923][T11523]  tty_register_device+0x3c/0x50
[  517.860243][T11523]  gsm_activate_mux+0xdc/0x268
[  517.861480][T11523]  gsmld_ioctl+0x16f0/0x2310
[  517.862763][T11523]  tty_ioctl+0x924/0xd8c
[  517.863917][T11523]  __arm64_sys_ioctl+0x14c/0x1c8
[  517.865316][T11523]  invoke_syscall+0x98/0x2b8
[  517.866513][T11523]  el0_svc_common+0x130/0x23c
[  517.867792][T11523]  do_el0_svc+0x48/0x58
[  517.868930][T11523]  el0_svc+0x58/0x16c
[  517.870012][T11523]  el0t_64_sync_handler+0x84/0xfc
[  517.871389][T11523]  el0t_64_sync+0x190/0x194
[  517.876337][T11523] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.884092][T11523] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  517.888128][T11523] CPU: 0 PID: 11523 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  517.890989][T11523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  517.893749][T11523] Call trace:
[  517.894683][T11523]  dump_backtrace+0x1b8/0x1e4
[  517.895946][T11523]  show_stack+0x2c/0x44
[  517.897118][T11523]  dump_stack_lvl+0xd0/0x124
[  517.898347][T11523]  dump_stack+0x1c/0x28
[  517.899504][T11523]  sysfs_create_dir_ns+0x278/0x318
[  517.900887][T11523]  kobject_add_internal+0x514/0xadc
[  517.902286][T11523]  kobject_add+0x14c/0x224
[  517.903476][T11523]  device_add+0x3a0/0xaac
[  517.904684][T11523]  device_register+0x28/0x38
[  517.905944][T11523]  tty_register_device_attr+0x3a4/0x7d4
[  517.907469][T11523]  tty_register_device+0x3c/0x50
[  517.908843][T11523]  gsm_activate_mux+0xdc/0x268
[  517.910132][T11523]  gsmld_ioctl+0x16f0/0x2310
[  517.911342][T11523]  tty_ioctl+0x924/0xd8c
[  517.912487][T11523]  __arm64_sys_ioctl+0x14c/0x1c8
[  517.913771][T11523]  invoke_syscall+0x98/0x2b8
[  517.915061][T11523]  el0_svc_common+0x130/0x23c
[  517.916365][T11523]  do_el0_svc+0x48/0x58
[  517.917495][T11523]  el0_svc+0x58/0x16c
[  517.918580][T11523]  el0t_64_sync_handler+0x84/0xfc
[  517.919938][T11523]  el0t_64_sync+0x190/0x194
[  517.925192][T11523] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.285551][T11525] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  518.288329][T11525] CPU: 1 PID: 11525 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  518.291242][T11525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  518.293929][T11525] Call trace:
[  518.294843][T11525]  dump_backtrace+0x1b8/0x1e4
[  518.296144][T11525]  show_stack+0x2c/0x44
[  518.297287][T11525]  dump_stack_lvl+0xd0/0x124
[  518.298470][T11525]  dump_stack+0x1c/0x28
[  518.299583][T11525]  sysfs_create_dir_ns+0x278/0x318
[  518.300997][T11525]  kobject_add_internal+0x514/0xadc
[  518.302459][T11525]  kobject_add+0x14c/0x224
[  518.303821][T11525]  device_add+0x3a0/0xaac
[  518.305028][T11525]  device_register+0x28/0x38
[  518.306252][T11525]  tty_register_device_attr+0x3a4/0x7d4
[  518.307726][T11525]  tty_register_device+0x3c/0x50
[  518.309178][T11525]  gsm_activate_mux+0xdc/0x268
[  518.310448][T11525]  gsmld_ioctl+0x16f0/0x2310
[  518.311730][T11525]  tty_ioctl+0x924/0xd8c
[  518.312870][T11525]  __arm64_sys_ioctl+0x14c/0x1c8
[  518.314221][T11525]  invoke_syscall+0x98/0x2b8
[  518.315483][T11525]  el0_svc_common+0x130/0x23c
[  518.316764][T11525]  do_el0_svc+0x48/0x58
[  518.317959][T11525]  el0_svc+0x58/0x16c
[  518.319070][T11525]  el0t_64_sync_handler+0x84/0xfc
[  518.320431][T11525]  el0t_64_sync+0x190/0x194
[  518.332407][T11525] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.724938][T11529] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  518.731214][T11529] CPU: 1 PID: 11529 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  518.734076][T11529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  518.736785][T11529] Call trace:
[  518.737702][T11529]  dump_backtrace+0x1b8/0x1e4
[  518.738991][T11529]  show_stack+0x2c/0x44
[  518.740149][T11529]  dump_stack_lvl+0xd0/0x124
[  518.741415][T11529]  dump_stack+0x1c/0x28
[  518.742532][T11529]  sysfs_create_dir_ns+0x278/0x318
[  518.743998][T11529]  kobject_add_internal+0x514/0xadc
[  518.745493][T11529]  kobject_add+0x14c/0x224
[  518.746728][T11529]  device_add+0x3a0/0xaac
[  518.747885][T11529]  device_register+0x28/0x38
[  518.749144][T11529]  tty_register_device_attr+0x3a4/0x7d4
[  518.750683][T11529]  tty_register_device+0x3c/0x50
[  518.752098][T11529]  gsm_activate_mux+0xdc/0x268
[  518.753431][T11529]  gsmld_ioctl+0x16f0/0x2310
[  518.754708][T11529]  tty_ioctl+0x924/0xd8c
[  518.755877][T11529]  __arm64_sys_ioctl+0x14c/0x1c8
[  518.757220][T11529]  invoke_syscall+0x98/0x2b8
[  518.758466][T11529]  el0_svc_common+0x130/0x23c
[  518.759743][T11529]  do_el0_svc+0x48/0x58
[  518.760896][T11529]  el0_svc+0x58/0x16c
[  518.761957][T11529]  el0t_64_sync_handler+0x84/0xfc
[  518.763343][T11529]  el0t_64_sync+0x190/0x194
[  518.766990][T11529] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.031734][T11532] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.034092][T11532] CPU: 0 PID: 11532 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  519.036928][T11532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  519.039693][T11532] Call trace:
[  519.040586][T11532]  dump_backtrace+0x1b8/0x1e4
[  519.041878][T11532]  show_stack+0x2c/0x44
[  519.043010][T11532]  dump_stack_lvl+0xd0/0x124
[  519.044267][T11532]  dump_stack+0x1c/0x28
[  519.045432][T11532]  sysfs_create_dir_ns+0x278/0x318
[  519.046865][T11532]  kobject_add_internal+0x514/0xadc
[  519.048309][T11532]  kobject_add+0x14c/0x224
[  519.049485][T11532]  device_add+0x3a0/0xaac
[  519.050674][T11532]  device_register+0x28/0x38
[  519.051976][T11532]  tty_register_device_attr+0x3a4/0x7d4
[  519.053496][T11532]  tty_register_device+0x3c/0x50
[  519.054865][T11532]  gsm_activate_mux+0xdc/0x268
[  519.056151][T11532]  gsmld_ioctl+0x16f0/0x2310
[  519.057388][T11532]  tty_ioctl+0x924/0xd8c
[  519.058535][T11532]  __arm64_sys_ioctl+0x14c/0x1c8
[  519.059889][T11532]  invoke_syscall+0x98/0x2b8
[  519.061077][T11532]  el0_svc_common+0x130/0x23c
[  519.062330][T11532]  do_el0_svc+0x48/0x58
[  519.063483][T11532]  el0_svc+0x58/0x16c
[  519.064591][T11532]  el0t_64_sync_handler+0x84/0xfc
[  519.065957][T11532]  el0t_64_sync+0x190/0x194
[  519.073930][T11532] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.079761][T11532] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.082790][T11532] CPU: 0 PID: 11532 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  519.085515][T11532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  519.088278][T11532] Call trace:
[  519.089140][T11532]  dump_backtrace+0x1b8/0x1e4
[  519.090377][T11532]  show_stack+0x2c/0x44
[  519.091513][T11532]  dump_stack_lvl+0xd0/0x124
[  519.092762][T11532]  dump_stack+0x1c/0x28
[  519.093845][T11532]  sysfs_create_dir_ns+0x278/0x318
[  519.095232][T11532]  kobject_add_internal+0x514/0xadc
[  519.096621][T11532]  kobject_add+0x14c/0x224
[  519.097800][T11532]  device_add+0x3a0/0xaac
[  519.099030][T11532]  device_register+0x28/0x38
[  519.100286][T11532]  tty_register_device_attr+0x3a4/0x7d4
[  519.101774][T11532]  tty_register_device+0x3c/0x50
[  519.103128][T11532]  gsm_activate_mux+0xdc/0x268
[  519.104436][T11532]  gsmld_ioctl+0x16f0/0x2310
[  519.105697][T11532]  tty_ioctl+0x924/0xd8c
[  519.106846][T11532]  __arm64_sys_ioctl+0x14c/0x1c8
[  519.108246][T11532]  invoke_syscall+0x98/0x2b8
[  519.109452][T11532]  el0_svc_common+0x130/0x23c
[  519.110716][T11532]  do_el0_svc+0x48/0x58
[  519.111843][T11532]  el0_svc+0x58/0x16c
[  519.112953][T11532]  el0t_64_sync_handler+0x84/0xfc
[  519.114369][T11532]  el0t_64_sync+0x190/0x194
[  519.122756][T11532] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.294101][T11535] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.301998][T11535] CPU: 1 PID: 11535 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  519.304879][T11535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  519.307632][T11535] Call trace:
[  519.308499][T11535]  dump_backtrace+0x1b8/0x1e4
[  519.309826][T11535]  show_stack+0x2c/0x44
[  519.310997][T11535]  dump_stack_lvl+0xd0/0x124
[  519.312259][T11535]  dump_stack+0x1c/0x28
[  519.313380][T11535]  sysfs_create_dir_ns+0x278/0x318
[  519.314845][T11535]  kobject_add_internal+0x514/0xadc
[  519.316266][T11535]  kobject_add+0x14c/0x224
[  519.317506][T11535]  device_add+0x3a0/0xaac
[  519.318693][T11535]  device_register+0x28/0x38
[  519.319980][T11535]  tty_register_device_attr+0x3a4/0x7d4
[  519.321529][T11535]  tty_register_device+0x3c/0x50
[  519.322923][T11535]  gsm_activate_mux+0xdc/0x268
[  519.324206][T11535]  gsmld_ioctl+0x16f0/0x2310
[  519.325460][T11535]  tty_ioctl+0x924/0xd8c
[  519.326562][T11535]  __arm64_sys_ioctl+0x14c/0x1c8
[  519.327950][T11535]  invoke_syscall+0x98/0x2b8
[  519.329235][T11535]  el0_svc_common+0x130/0x23c
[  519.330550][T11535]  do_el0_svc+0x48/0x58
[  519.331647][T11535]  el0_svc+0x58/0x16c
[  519.332719][T11535]  el0t_64_sync_handler+0x84/0xfc
[  519.334111][T11535]  el0t_64_sync+0x190/0x194
[  519.337952][T11535] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.542684][T11538] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.545124][T11538] CPU: 0 PID: 11538 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  519.548018][T11538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  519.550744][T11538] Call trace:
[  519.551630][T11538]  dump_backtrace+0x1b8/0x1e4
[  519.552903][T11538]  show_stack+0x2c/0x44
[  519.553953][T11538]  dump_stack_lvl+0xd0/0x124
[  519.555215][T11538]  dump_stack+0x1c/0x28
[  519.556296][T11538]  sysfs_create_dir_ns+0x278/0x318
[  519.557745][T11538]  kobject_add_internal+0x514/0xadc
[  519.559138][T11538]  kobject_add+0x14c/0x224
[  519.560242][T11538]  device_add+0x3a0/0xaac
[  519.561372][T11538]  device_register+0x28/0x38
[  519.562663][T11538]  tty_register_device_attr+0x3a4/0x7d4
[  519.564157][T11538]  tty_register_device+0x3c/0x50
[  519.565498][T11538]  gsm_activate_mux+0xdc/0x268
[  519.566773][T11538]  gsmld_ioctl+0x16f0/0x2310
[  519.567991][T11538]  tty_ioctl+0x924/0xd8c
[  519.569148][T11538]  __arm64_sys_ioctl+0x14c/0x1c8
[  519.570441][T11538]  invoke_syscall+0x98/0x2b8
[  519.571656][T11538]  el0_svc_common+0x130/0x23c
[  519.572877][T11538]  do_el0_svc+0x48/0x58
[  519.573978][T11538]  el0_svc+0x58/0x16c
[  519.575061][T11538]  el0t_64_sync_handler+0x84/0xfc
[  519.576438][T11538]  el0t_64_sync+0x190/0x194
[  519.587249][T11538] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.786491][T11541] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.788986][T11541] CPU: 0 PID: 11541 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  519.791867][T11541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  519.794675][T11541] Call trace:
[  519.795553][T11541]  dump_backtrace+0x1b8/0x1e4
[  519.796905][T11541]  show_stack+0x2c/0x44
[  519.798126][T11541]  dump_stack_lvl+0xd0/0x124
[  519.799341][T11541]  dump_stack+0x1c/0x28
[  519.800481][T11541]  sysfs_create_dir_ns+0x278/0x318
[  519.801909][T11541]  kobject_add_internal+0x514/0xadc
[  519.803263][T11541]  kobject_add+0x14c/0x224
[  519.804456][T11541]  device_add+0x3a0/0xaac
[  519.805605][T11541]  device_register+0x28/0x38
[  519.806835][T11541]  tty_register_device_attr+0x3a4/0x7d4
[  519.808325][T11541]  tty_register_device+0x3c/0x50
[  519.809709][T11541]  gsm_activate_mux+0xdc/0x268
[  519.810987][T11541]  gsmld_ioctl+0x16f0/0x2310
[  519.812200][T11541]  tty_ioctl+0x924/0xd8c
[  519.813347][T11541]  __arm64_sys_ioctl+0x14c/0x1c8
[  519.814681][T11541]  invoke_syscall+0x98/0x2b8
[  519.815924][T11541]  el0_svc_common+0x130/0x23c
[  519.817191][T11541]  do_el0_svc+0x48/0x58
[  519.818309][T11541]  el0_svc+0x58/0x16c
[  519.819380][T11541]  el0t_64_sync_handler+0x84/0xfc
[  519.820777][T11541]  el0t_64_sync+0x190/0x194
[  519.824034][T11541] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.828754][T11541] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  519.831257][T11541] CPU: 0 PID: 11541 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  519.834167][T11541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  519.836919][T11541] Call trace:
[  519.837848][T11541]  dump_backtrace+0x1b8/0x1e4
[  519.839061][T11541]  show_stack+0x2c/0x44
[  519.840197][T11541]  dump_stack_lvl+0xd0/0x124
[  519.841462][T11541]  dump_stack+0x1c/0x28
[  519.842605][T11541]  sysfs_create_dir_ns+0x278/0x318
[  519.843914][T11541]  kobject_add_internal+0x514/0xadc
[  519.845249][T11541]  kobject_add+0x14c/0x224
[  519.846461][T11541]  device_add+0x3a0/0xaac
[  519.847601][T11541]  device_register+0x28/0x38
[  519.848842][T11541]  tty_register_device_attr+0x3a4/0x7d4
[  519.850266][T11541]  tty_register_device+0x3c/0x50
[  519.851586][T11541]  gsm_activate_mux+0xdc/0x268
[  519.852868][T11541]  gsmld_ioctl+0x16f0/0x2310
[  519.854147][T11541]  tty_ioctl+0x924/0xd8c
[  519.855253][T11541]  __arm64_sys_ioctl+0x14c/0x1c8
[  519.856602][T11541]  invoke_syscall+0x98/0x2b8
[  519.857839][T11541]  el0_svc_common+0x130/0x23c
[  519.859142][T11541]  do_el0_svc+0x48/0x58
[  519.860225][T11541]  el0_svc+0x58/0x16c
[  519.861316][T11541]  el0t_64_sync_handler+0x84/0xfc
[  519.862706][T11541]  el0t_64_sync+0x190/0x194
[  519.866656][T11541] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.082845][T11544] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  520.085158][T11544] CPU: 1 PID: 11544 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  520.088064][T11544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  520.090795][T11544] Call trace:
[  520.091686][T11544]  dump_backtrace+0x1b8/0x1e4
[  520.092975][T11544]  show_stack+0x2c/0x44
[  520.094111][T11544]  dump_stack_lvl+0xd0/0x124
[  520.095374][T11544]  dump_stack+0x1c/0x28
[  520.096516][T11544]  sysfs_create_dir_ns+0x278/0x318
[  520.097964][T11544]  kobject_add_internal+0x514/0xadc
[  520.099409][T11544]  kobject_add+0x14c/0x224
[  520.100610][T11544]  device_add+0x3a0/0xaac
[  520.101827][T11544]  device_register+0x28/0x38
[  520.103101][T11544]  tty_register_device_attr+0x3a4/0x7d4
[  520.104644][T11544]  tty_register_device+0x3c/0x50
[  520.105949][T11544]  gsm_activate_mux+0xdc/0x268
[  520.107241][T11544]  gsmld_ioctl+0x16f0/0x2310
[  520.108474][T11544]  tty_ioctl+0x924/0xd8c
[  520.109626][T11544]  __arm64_sys_ioctl+0x14c/0x1c8
[  520.111023][T11544]  invoke_syscall+0x98/0x2b8
[  520.112303][T11544]  el0_svc_common+0x130/0x23c
[  520.113597][T11544]  do_el0_svc+0x48/0x58
[  520.114728][T11544]  el0_svc+0x58/0x16c
[  520.115848][T11544]  el0t_64_sync_handler+0x84/0xfc
[  520.117276][T11544]  el0t_64_sync+0x190/0x194
[  520.138504][T11544] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.328073][T11547] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  520.330421][T11547] CPU: 1 PID: 11547 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  520.333207][T11547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  520.335868][T11547] Call trace:
[  520.336782][T11547]  dump_backtrace+0x1b8/0x1e4
[  520.338133][T11547]  show_stack+0x2c/0x44
[  520.339249][T11547]  dump_stack_lvl+0xd0/0x124
[  520.340489][T11547]  dump_stack+0x1c/0x28
[  520.341671][T11547]  sysfs_create_dir_ns+0x278/0x318
[  520.343058][T11547]  kobject_add_internal+0x514/0xadc
[  520.344499][T11547]  kobject_add+0x14c/0x224
[  520.345710][T11547]  device_add+0x3a0/0xaac
[  520.346919][T11547]  device_register+0x28/0x38
[  520.348191][T11547]  tty_register_device_attr+0x3a4/0x7d4
[  520.349733][T11547]  tty_register_device+0x3c/0x50
[  520.351100][T11547]  gsm_activate_mux+0xdc/0x268
[  520.352415][T11547]  gsmld_ioctl+0x16f0/0x2310
[  520.353693][T11547]  tty_ioctl+0x924/0xd8c
[  520.354851][T11547]  __arm64_sys_ioctl+0x14c/0x1c8
[  520.356175][T11547]  invoke_syscall+0x98/0x2b8
[  520.357442][T11547]  el0_svc_common+0x130/0x23c
[  520.358679][T11547]  do_el0_svc+0x48/0x58
[  520.359810][T11547]  el0_svc+0x58/0x16c
[  520.360903][T11547]  el0t_64_sync_handler+0x84/0xfc
[  520.362316][T11547]  el0t_64_sync+0x190/0x194
[  520.370767][T11547] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.576796][T11550] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  520.579075][T11550] CPU: 1 PID: 11550 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  520.581881][T11550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  520.584537][T11550] Call trace:
[  520.585415][T11550]  dump_backtrace+0x1b8/0x1e4
[  520.586729][T11550]  show_stack+0x2c/0x44
[  520.587865][T11550]  dump_stack_lvl+0xd0/0x124
[  520.589139][T11550]  dump_stack+0x1c/0x28
[  520.590240][T11550]  sysfs_create_dir_ns+0x278/0x318
[  520.591689][T11550]  kobject_add_internal+0x514/0xadc
[  520.593156][T11550]  kobject_add+0x14c/0x224
[  520.594414][T11550]  device_add+0x3a0/0xaac
[  520.595600][T11550]  device_register+0x28/0x38
[  520.596852][T11550]  tty_register_device_attr+0x3a4/0x7d4
[  520.598407][T11550]  tty_register_device+0x3c/0x50
[  520.599804][T11550]  gsm_activate_mux+0xdc/0x268
[  520.601098][T11550]  gsmld_ioctl+0x16f0/0x2310
[  520.602316][T11550]  tty_ioctl+0x924/0xd8c
[  520.603465][T11550]  __arm64_sys_ioctl+0x14c/0x1c8
[  520.604851][T11550]  invoke_syscall+0x98/0x2b8
[  520.606181][T11550]  el0_svc_common+0x130/0x23c
[  520.607452][T11550]  do_el0_svc+0x48/0x58
[  520.608626][T11550]  el0_svc+0x58/0x16c
[  520.609688][T11550]  el0t_64_sync_handler+0x84/0xfc
[  520.611058][T11550]  el0t_64_sync+0x190/0x194
[  520.614935][T11550] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.620808][T11550] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  520.623104][T11550] CPU: 1 PID: 11550 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  520.625942][T11550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  520.628702][T11550] Call trace:
[  520.629587][T11550]  dump_backtrace+0x1b8/0x1e4
[  520.630823][T11550]  show_stack+0x2c/0x44
[  520.631930][T11550]  dump_stack_lvl+0xd0/0x124
[  520.633199][T11550]  dump_stack+0x1c/0x28
[  520.634327][T11550]  sysfs_create_dir_ns+0x278/0x318
[  520.635679][T11550]  kobject_add_internal+0x514/0xadc
[  520.637118][T11550]  kobject_add+0x14c/0x224
[  520.638327][T11550]  device_add+0x3a0/0xaac
[  520.639537][T11550]  device_register+0x28/0x38
[  520.640798][T11550]  tty_register_device_attr+0x3a4/0x7d4
[  520.642319][T11550]  tty_register_device+0x3c/0x50
[  520.643714][T11550]  gsm_activate_mux+0xdc/0x268
[  520.645047][T11550]  gsmld_ioctl+0x16f0/0x2310
[  520.646330][T11550]  tty_ioctl+0x924/0xd8c
[  520.647510][T11550]  __arm64_sys_ioctl+0x14c/0x1c8
[  520.648902][T11550]  invoke_syscall+0x98/0x2b8
[  520.650154][T11550]  el0_svc_common+0x130/0x23c
[  520.651449][T11550]  do_el0_svc+0x48/0x58
[  520.652552][T11550]  el0_svc+0x58/0x16c
[  520.653668][T11550]  el0t_64_sync_handler+0x84/0xfc
[  520.655020][T11550]  el0t_64_sync+0x190/0x194
[  520.658691][T11550] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.839954][T11553] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  520.842213][T11553] CPU: 1 PID: 11553 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  520.845031][T11553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  520.847762][T11553] Call trace:
[  520.848657][T11553]  dump_backtrace+0x1b8/0x1e4
[  520.849930][T11553]  show_stack+0x2c/0x44
[  520.851051][T11553]  dump_stack_lvl+0xd0/0x124
[  520.852309][T11553]  dump_stack+0x1c/0x28
[  520.853455][T11553]  sysfs_create_dir_ns+0x278/0x318
[  520.854837][T11553]  kobject_add_internal+0x514/0xadc
[  520.856256][T11553]  kobject_add+0x14c/0x224
[  520.857484][T11553]  device_add+0x3a0/0xaac
[  520.858790][T11553]  device_register+0x28/0x38
[  520.860002][T11553]  tty_register_device_attr+0x3a4/0x7d4
[  520.861518][T11553]  tty_register_device+0x3c/0x50
[  520.862918][T11553]  gsm_activate_mux+0xdc/0x268
[  520.864252][T11553]  gsmld_ioctl+0x16f0/0x2310
[  520.865521][T11553]  tty_ioctl+0x924/0xd8c
[  520.866720][T11553]  __arm64_sys_ioctl+0x14c/0x1c8
[  520.868054][T11553]  invoke_syscall+0x98/0x2b8
[  520.869313][T11553]  el0_svc_common+0x130/0x23c
[  520.870551][T11553]  do_el0_svc+0x48/0x58
[  520.871632][T11553]  el0_svc+0x58/0x16c
[  520.872755][T11553]  el0t_64_sync_handler+0x84/0xfc
[  520.874144][T11553]  el0t_64_sync+0x190/0x194
[  520.879316][T11553] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.096549][T11556] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.098955][T11556] CPU: 1 PID: 11556 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  521.101719][T11556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  521.104385][T11556] Call trace:
[  521.105243][T11556]  dump_backtrace+0x1b8/0x1e4
[  521.106513][T11556]  show_stack+0x2c/0x44
[  521.107670][T11556]  dump_stack_lvl+0xd0/0x124
[  521.108977][T11556]  dump_stack+0x1c/0x28
[  521.110104][T11556]  sysfs_create_dir_ns+0x278/0x318
[  521.111484][T11556]  kobject_add_internal+0x514/0xadc
[  521.112876][T11556]  kobject_add+0x14c/0x224
[  521.114065][T11556]  device_add+0x3a0/0xaac
[  521.115301][T11556]  device_register+0x28/0x38
[  521.116585][T11556]  tty_register_device_attr+0x3a4/0x7d4
[  521.118127][T11556]  tty_register_device+0x3c/0x50
[  521.119534][T11556]  gsm_activate_mux+0xdc/0x268
[  521.120896][T11556]  gsmld_ioctl+0x16f0/0x2310
[  521.122159][T11556]  tty_ioctl+0x924/0xd8c
[  521.123317][T11556]  __arm64_sys_ioctl+0x14c/0x1c8
[  521.124663][T11556]  invoke_syscall+0x98/0x2b8
[  521.125972][T11556]  el0_svc_common+0x130/0x23c
[  521.127348][T11556]  do_el0_svc+0x48/0x58
[  521.128509][T11556]  el0_svc+0x58/0x16c
[  521.129630][T11556]  el0t_64_sync_handler+0x84/0xfc
[  521.131011][T11556]  el0t_64_sync+0x190/0x194
[  521.133347][T11556] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.137645][T11556] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.139813][T11556] CPU: 1 PID: 11556 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  521.142639][T11556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  521.145386][T11556] Call trace:
[  521.146247][T11556]  dump_backtrace+0x1b8/0x1e4
[  521.147529][T11556]  show_stack+0x2c/0x44
[  521.148678][T11556]  dump_stack_lvl+0xd0/0x124
[  521.149945][T11556]  dump_stack+0x1c/0x28
[  521.151129][T11556]  sysfs_create_dir_ns+0x278/0x318
[  521.152561][T11556]  kobject_add_internal+0x514/0xadc
[  521.154034][T11556]  kobject_add+0x14c/0x224
[  521.155259][T11556]  device_add+0x3a0/0xaac
[  521.156480][T11556]  device_register+0x28/0x38
[  521.157804][T11556]  tty_register_device_attr+0x3a4/0x7d4
[  521.159366][T11556]  tty_register_device+0x3c/0x50
[  521.160695][T11556]  gsm_activate_mux+0xdc/0x268
[  521.162005][T11556]  gsmld_ioctl+0x16f0/0x2310
[  521.163260][T11556]  tty_ioctl+0x924/0xd8c
[  521.164400][T11556]  __arm64_sys_ioctl+0x14c/0x1c8
[  521.165770][T11556]  invoke_syscall+0x98/0x2b8
[  521.167053][T11556]  el0_svc_common+0x130/0x23c
[  521.168341][T11556]  do_el0_svc+0x48/0x58
[  521.169485][T11556]  el0_svc+0x58/0x16c
[  521.170596][T11556]  el0t_64_sync_handler+0x84/0xfc
[  521.171984][T11556]  el0t_64_sync+0x190/0x194
[  521.182133][T11556] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.373659][T11559] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.377816][T11559] CPU: 1 PID: 11559 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  521.380785][T11559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  521.383612][T11559] Call trace:
[  521.384487][T11559]  dump_backtrace+0x1b8/0x1e4
[  521.385847][T11559]  show_stack+0x2c/0x44
[  521.386990][T11559]  dump_stack_lvl+0xd0/0x124
[  521.388324][T11559]  dump_stack+0x1c/0x28
[  521.389494][T11559]  sysfs_create_dir_ns+0x278/0x318
[  521.390929][T11559]  kobject_add_internal+0x514/0xadc
[  521.392350][T11559]  kobject_add+0x14c/0x224
[  521.393562][T11559]  device_add+0x3a0/0xaac
[  521.394697][T11559]  device_register+0x28/0x38
[  521.396005][T11559]  tty_register_device_attr+0x3a4/0x7d4
[  521.397590][T11559]  tty_register_device+0x3c/0x50
[  521.398960][T11559]  gsm_activate_mux+0xdc/0x268
[  521.400281][T11559]  gsmld_ioctl+0x16f0/0x2310
[  521.401591][T11559]  tty_ioctl+0x924/0xd8c
[  521.402758][T11559]  __arm64_sys_ioctl+0x14c/0x1c8
[  521.404132][T11559]  invoke_syscall+0x98/0x2b8
[  521.405397][T11559]  el0_svc_common+0x130/0x23c
[  521.406651][T11559]  do_el0_svc+0x48/0x58
[  521.407797][T11559]  el0_svc+0x58/0x16c
[  521.408892][T11559]  el0t_64_sync_handler+0x84/0xfc
[  521.410253][T11559]  el0t_64_sync+0x190/0x194
[  521.411994][T11559] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.417796][T11559] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.420071][T11559] CPU: 1 PID: 11559 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  521.422968][T11559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  521.425789][T11559] Call trace:
[  521.426717][T11559]  dump_backtrace+0x1b8/0x1e4
[  521.427994][T11559]  show_stack+0x2c/0x44
[  521.429128][T11559]  dump_stack_lvl+0xd0/0x124
[  521.430412][T11559]  dump_stack+0x1c/0x28
[  521.431533][T11559]  sysfs_create_dir_ns+0x278/0x318
[  521.432999][T11559]  kobject_add_internal+0x514/0xadc
[  521.434538][T11559]  kobject_add+0x14c/0x224
[  521.435791][T11559]  device_add+0x3a0/0xaac
[  521.436983][T11559]  device_register+0x28/0x38
[  521.438279][T11559]  tty_register_device_attr+0x3a4/0x7d4
[  521.439807][T11559]  tty_register_device+0x3c/0x50
[  521.441105][T11559]  gsm_activate_mux+0xdc/0x268
[  521.442505][T11559]  gsmld_ioctl+0x16f0/0x2310
[  521.443755][T11559]  tty_ioctl+0x924/0xd8c
[  521.444914][T11559]  __arm64_sys_ioctl+0x14c/0x1c8
[  521.446231][T11559]  invoke_syscall+0x98/0x2b8
[  521.447515][T11559]  el0_svc_common+0x130/0x23c
[  521.448840][T11559]  do_el0_svc+0x48/0x58
[  521.450037][T11559]  el0_svc+0x58/0x16c
[  521.451130][T11559]  el0t_64_sync_handler+0x84/0xfc
[  521.452580][T11559]  el0t_64_sync+0x190/0x194
[  521.457679][T11559] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.638736][T11562] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.644329][T11562] CPU: 1 PID: 11562 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  521.647304][T11562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  521.650140][T11562] Call trace:
[  521.651072][T11562]  dump_backtrace+0x1b8/0x1e4
[  521.652375][T11562]  show_stack+0x2c/0x44
[  521.653509][T11562]  dump_stack_lvl+0xd0/0x124
[  521.654835][T11562]  dump_stack+0x1c/0x28
[  521.655981][T11562]  sysfs_create_dir_ns+0x278/0x318
[  521.657437][T11562]  kobject_add_internal+0x514/0xadc
[  521.658907][T11562]  kobject_add+0x14c/0x224
[  521.660142][T11562]  device_add+0x3a0/0xaac
[  521.661327][T11562]  device_register+0x28/0x38
[  521.662590][T11562]  tty_register_device_attr+0x3a4/0x7d4
[  521.664097][T11562]  tty_register_device+0x3c/0x50
[  521.665468][T11562]  gsm_activate_mux+0xdc/0x268
[  521.666821][T11562]  gsmld_ioctl+0x16f0/0x2310
[  521.668045][T11562]  tty_ioctl+0x924/0xd8c
[  521.669284][T11562]  __arm64_sys_ioctl+0x14c/0x1c8
[  521.670586][T11562]  invoke_syscall+0x98/0x2b8
[  521.671862][T11562]  el0_svc_common+0x130/0x23c
[  521.673129][T11562]  do_el0_svc+0x48/0x58
[  521.674292][T11562]  el0_svc+0x58/0x16c
[  521.675401][T11562]  el0t_64_sync_handler+0x84/0xfc
[  521.676771][T11562]  el0t_64_sync+0x190/0x194
[  521.682639][T11562] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.891063][T11565] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.895135][T11565] CPU: 0 PID: 11565 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  521.898112][T11565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  521.900858][T11565] Call trace:
[  521.901719][T11565]  dump_backtrace+0x1b8/0x1e4
[  521.902990][T11565]  show_stack+0x2c/0x44
[  521.904162][T11565]  dump_stack_lvl+0xd0/0x124
[  521.905522][T11565]  dump_stack+0x1c/0x28
[  521.906685][T11565]  sysfs_create_dir_ns+0x278/0x318
[  521.908117][T11565]  kobject_add_internal+0x514/0xadc
[  521.909604][T11565]  kobject_add+0x14c/0x224
[  521.910813][T11565]  device_add+0x3a0/0xaac
[  521.911998][T11565]  device_register+0x28/0x38
[  521.913240][T11565]  tty_register_device_attr+0x3a4/0x7d4
[  521.914803][T11565]  tty_register_device+0x3c/0x50
[  521.916144][T11565]  gsm_activate_mux+0xdc/0x268
[  521.917469][T11565]  gsmld_ioctl+0x16f0/0x2310
[  521.918743][T11565]  tty_ioctl+0x924/0xd8c
[  521.919882][T11565]  __arm64_sys_ioctl+0x14c/0x1c8
[  521.921217][T11565]  invoke_syscall+0x98/0x2b8
[  521.922471][T11565]  el0_svc_common+0x130/0x23c
[  521.923779][T11565]  do_el0_svc+0x48/0x58
[  521.924947][T11565]  el0_svc+0x58/0x16c
[  521.926039][T11565]  el0t_64_sync_handler+0x84/0xfc
[  521.927414][T11565]  el0t_64_sync+0x190/0x194
[  521.933031][T11565] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.937226][T11565] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  521.939695][T11565] CPU: 0 PID: 11565 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  521.942516][T11565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  521.945293][T11565] Call trace:
[  521.946182][T11565]  dump_backtrace+0x1b8/0x1e4
[  521.947460][T11565]  show_stack+0x2c/0x44
[  521.948649][T11565]  dump_stack_lvl+0xd0/0x124
[  521.949919][T11565]  dump_stack+0x1c/0x28
[  521.951056][T11565]  sysfs_create_dir_ns+0x278/0x318
[  521.952497][T11565]  kobject_add_internal+0x514/0xadc
[  521.953815][T11565]  kobject_add+0x14c/0x224
[  521.954601][T11565]  device_add+0x3a0/0xaac
[  521.955801][T11565]  device_register+0x28/0x38
[  521.957072][T11565]  tty_register_device_attr+0x3a4/0x7d4
[  521.958619][T11565]  tty_register_device+0x3c/0x50
[  521.959988][T11565]  gsm_activate_mux+0xdc/0x268
[  521.961233][T11565]  gsmld_ioctl+0x16f0/0x2310
[  521.962519][T11565]  tty_ioctl+0x924/0xd8c
[  521.963653][T11565]  __arm64_sys_ioctl+0x14c/0x1c8
[  521.964960][T11565]  invoke_syscall+0x98/0x2b8
[  521.966243][T11565]  el0_svc_common+0x130/0x23c
[  521.967532][T11565]  do_el0_svc+0x48/0x58
[  521.968714][T11565]  el0_svc+0x58/0x16c
[  521.969807][T11565]  el0t_64_sync_handler+0x84/0xfc
[  521.971226][T11565]  el0t_64_sync+0x190/0x194
[  521.974873][T11565] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.181903][T11568] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.185898][T11568] CPU: 1 PID: 11568 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  522.188676][T11568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  522.191277][T11568] Call trace:
[  522.192104][T11568]  dump_backtrace+0x1b8/0x1e4
[  522.193270][T11568]  show_stack+0x2c/0x44
[  522.194352][T11568]  dump_stack_lvl+0xd0/0x124
[  522.195520][T11568]  dump_stack+0x1c/0x28
[  522.196676][T11568]  sysfs_create_dir_ns+0x278/0x318
[  522.198085][T11568]  kobject_add_internal+0x514/0xadc
[  522.199488][T11568]  kobject_add+0x14c/0x224
[  522.200696][T11568]  device_add+0x3a0/0xaac
[  522.201902][T11568]  device_register+0x28/0x38
[  522.203136][T11568]  tty_register_device_attr+0x3a4/0x7d4
[  522.204605][T11568]  tty_register_device+0x3c/0x50
[  522.205955][T11568]  gsm_activate_mux+0xdc/0x268
[  522.207230][T11568]  gsmld_ioctl+0x16f0/0x2310
[  522.208527][T11568]  tty_ioctl+0x924/0xd8c
[  522.209678][T11568]  __arm64_sys_ioctl+0x14c/0x1c8
[  522.211043][T11568]  invoke_syscall+0x98/0x2b8
[  522.212312][T11568]  el0_svc_common+0x130/0x23c
[  522.213555][T11568]  do_el0_svc+0x48/0x58
[  522.214730][T11568]  el0_svc+0x58/0x16c
[  522.215872][T11568]  el0t_64_sync_handler+0x84/0xfc
[  522.217227][T11568]  el0t_64_sync+0x190/0x194
[  522.226223][T11568] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.422930][T11571] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.425333][T11571] CPU: 0 PID: 11571 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  522.428220][T11571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  522.431060][T11571] Call trace:
[  522.431976][T11571]  dump_backtrace+0x1b8/0x1e4
[  522.433367][T11571]  show_stack+0x2c/0x44
[  522.434478][T11571]  dump_stack_lvl+0xd0/0x124
[  522.435790][T11571]  dump_stack+0x1c/0x28
[  522.436966][T11571]  sysfs_create_dir_ns+0x278/0x318
[  522.438359][T11571]  kobject_add_internal+0x514/0xadc
[  522.439845][T11571]  kobject_add+0x14c/0x224
[  522.441058][T11571]  device_add+0x3a0/0xaac
[  522.442220][T11571]  device_register+0x28/0x38
[  522.443442][T11571]  tty_register_device_attr+0x3a4/0x7d4
[  522.445008][T11571]  tty_register_device+0x3c/0x50
[  522.446387][T11571]  gsm_activate_mux+0xdc/0x268
[  522.447673][T11571]  gsmld_ioctl+0x16f0/0x2310
[  522.448944][T11571]  tty_ioctl+0x924/0xd8c
[  522.450103][T11571]  __arm64_sys_ioctl+0x14c/0x1c8
[  522.451432][T11571]  invoke_syscall+0x98/0x2b8
[  522.452726][T11571]  el0_svc_common+0x130/0x23c
[  522.454011][T11571]  do_el0_svc+0x48/0x58
[  522.455134][T11571]  el0_svc+0x58/0x16c
[  522.456210][T11571]  el0t_64_sync_handler+0x84/0xfc
[  522.457576][T11571]  el0t_64_sync+0x190/0x194
[  522.462363][T11571] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.467422][T11571] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.471848][T11571] CPU: 1 PID: 11571 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  522.474644][T11571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  522.477412][T11571] Call trace:
[  522.478310][T11571]  dump_backtrace+0x1b8/0x1e4
[  522.479610][T11571]  show_stack+0x2c/0x44
[  522.480766][T11571]  dump_stack_lvl+0xd0/0x124
[  522.482028][T11571]  dump_stack+0x1c/0x28
[  522.483161][T11571]  sysfs_create_dir_ns+0x278/0x318
[  522.484547][T11571]  kobject_add_internal+0x514/0xadc
[  522.485951][T11571]  kobject_add+0x14c/0x224
[  522.487172][T11571]  device_add+0x3a0/0xaac
[  522.488348][T11571]  device_register+0x28/0x38
[  522.489597][T11571]  tty_register_device_attr+0x3a4/0x7d4
[  522.491069][T11571]  tty_register_device+0x3c/0x50
[  522.492428][T11571]  gsm_activate_mux+0xdc/0x268
[  522.493751][T11571]  gsmld_ioctl+0x16f0/0x2310
[  522.494982][T11571]  tty_ioctl+0x924/0xd8c
[  522.496137][T11571]  __arm64_sys_ioctl+0x14c/0x1c8
[  522.497493][T11571]  invoke_syscall+0x98/0x2b8
[  522.498762][T11571]  el0_svc_common+0x130/0x23c
[  522.500039][T11571]  do_el0_svc+0x48/0x58
[  522.501193][T11571]  el0_svc+0x58/0x16c
[  522.502315][T11571]  el0t_64_sync_handler+0x84/0xfc
[  522.503649][T11571]  el0t_64_sync+0x190/0x194
[  522.506250][T11571] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.698680][T11574] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.704433][T11574] CPU: 0 PID: 11574 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  522.707429][T11574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  522.710107][T11574] Call trace:
[  522.711026][T11574]  dump_backtrace+0x1b8/0x1e4
[  522.712337][T11574]  show_stack+0x2c/0x44
[  522.713495][T11574]  dump_stack_lvl+0xd0/0x124
[  522.714758][T11574]  dump_stack+0x1c/0x28
[  522.715901][T11574]  sysfs_create_dir_ns+0x278/0x318
[  522.717329][T11574]  kobject_add_internal+0x514/0xadc
[  522.718794][T11574]  kobject_add+0x14c/0x224
[  522.719961][T11574]  device_add+0x3a0/0xaac
[  522.721159][T11574]  device_register+0x28/0x38
[  522.722344][T11574]  tty_register_device_attr+0x3a4/0x7d4
[  522.723850][T11574]  tty_register_device+0x3c/0x50
[  522.725207][T11574]  gsm_activate_mux+0xdc/0x268
[  522.726513][T11574]  gsmld_ioctl+0x16f0/0x2310
[  522.727769][T11574]  tty_ioctl+0x924/0xd8c
[  522.728929][T11574]  __arm64_sys_ioctl+0x14c/0x1c8
[  522.730247][T11574]  invoke_syscall+0x98/0x2b8
[  522.731526][T11574]  el0_svc_common+0x130/0x23c
[  522.732809][T11574]  do_el0_svc+0x48/0x58
[  522.733976][T11574]  el0_svc+0x58/0x16c
[  522.735042][T11574]  el0t_64_sync_handler+0x84/0xfc
[  522.736439][T11574]  el0t_64_sync+0x190/0x194
[  522.744660][T11574] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.752420][T11575] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.756738][T11575] CPU: 0 PID: 11575 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  522.759658][T11575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  522.762417][T11575] Call trace:
[  522.763319][T11575]  dump_backtrace+0x1b8/0x1e4
[  522.764579][T11575]  show_stack+0x2c/0x44
[  522.765703][T11575]  dump_stack_lvl+0xd0/0x124
[  522.766934][T11575]  dump_stack+0x1c/0x28
[  522.768063][T11575]  sysfs_create_dir_ns+0x278/0x318
[  522.769469][T11575]  kobject_add_internal+0x514/0xadc
[  522.770842][T11575]  kobject_add+0x14c/0x224
[  522.771993][T11575]  device_add+0x3a0/0xaac
[  522.773247][T11575]  device_register+0x28/0x38
[  522.774519][T11575]  tty_register_device_attr+0x3a4/0x7d4
[  522.776036][T11575]  tty_register_device+0x3c/0x50
[  522.777360][T11575]  gsm_activate_mux+0xdc/0x268
[  522.778712][T11575]  gsmld_ioctl+0x16f0/0x2310
[  522.779974][T11575]  tty_ioctl+0x924/0xd8c
[  522.781153][T11575]  __arm64_sys_ioctl+0x14c/0x1c8
[  522.782493][T11575]  invoke_syscall+0x98/0x2b8
[  522.783681][T11575]  el0_svc_common+0x130/0x23c
[  522.784930][T11575]  do_el0_svc+0x48/0x58
[  522.786046][T11575]  el0_svc+0x58/0x16c
[  522.787109][T11575]  el0t_64_sync_handler+0x84/0xfc
[  522.788478][T11575]  el0t_64_sync+0x190/0x194
[  522.796866][T11575] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.960000][T11578] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  522.962313][T11578] CPU: 0 PID: 11578 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  522.965155][T11578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  522.967927][T11578] Call trace:
[  522.968826][T11578]  dump_backtrace+0x1b8/0x1e4
[  522.970142][T11578]  show_stack+0x2c/0x44
[  522.971318][T11578]  dump_stack_lvl+0xd0/0x124
[  522.972540][T11578]  dump_stack+0x1c/0x28
[  522.973686][T11578]  sysfs_create_dir_ns+0x278/0x318
[  522.975049][T11578]  kobject_add_internal+0x514/0xadc
[  522.976464][T11578]  kobject_add+0x14c/0x224
[  522.977613][T11578]  device_add+0x3a0/0xaac
[  522.978816][T11578]  device_register+0x28/0x38
[  522.980060][T11578]  tty_register_device_attr+0x3a4/0x7d4
[  522.981614][T11578]  tty_register_device+0x3c/0x50
[  522.982878][T11578]  gsm_activate_mux+0xdc/0x268
[  522.984179][T11578]  gsmld_ioctl+0x16f0/0x2310
[  522.985398][T11578]  tty_ioctl+0x924/0xd8c
[  522.986609][T11578]  __arm64_sys_ioctl+0x14c/0x1c8
[  522.987967][T11578]  invoke_syscall+0x98/0x2b8
[  522.989254][T11578]  el0_svc_common+0x130/0x23c
[  522.990559][T11578]  do_el0_svc+0x48/0x58
[  522.991705][T11578]  el0_svc+0x58/0x16c
[  522.992821][T11578]  el0t_64_sync_handler+0x84/0xfc
[  522.994128][T11578]  el0t_64_sync+0x190/0x194
[  523.000616][T11578] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.005037][T11578] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.007809][T11578] CPU: 0 PID: 11578 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  523.010653][T11578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  523.013338][T11578] Call trace:
[  523.014265][T11578]  dump_backtrace+0x1b8/0x1e4
[  523.015500][T11578]  show_stack+0x2c/0x44
[  523.016646][T11578]  dump_stack_lvl+0xd0/0x124
[  523.017905][T11578]  dump_stack+0x1c/0x28
[  523.019093][T11578]  sysfs_create_dir_ns+0x278/0x318
[  523.020456][T11578]  kobject_add_internal+0x514/0xadc
[  523.021833][T11578]  kobject_add+0x14c/0x224
[  523.023015][T11578]  device_add+0x3a0/0xaac
[  523.024200][T11578]  device_register+0x28/0x38
[  523.025483][T11578]  tty_register_device_attr+0x3a4/0x7d4
[  523.027045][T11578]  tty_register_device+0x3c/0x50
[  523.028390][T11578]  gsm_activate_mux+0xdc/0x268
[  523.029745][T11578]  gsmld_ioctl+0x16f0/0x2310
[  523.031020][T11578]  tty_ioctl+0x924/0xd8c
[  523.032212][T11578]  __arm64_sys_ioctl+0x14c/0x1c8
[  523.033550][T11578]  invoke_syscall+0x98/0x2b8
[  523.034846][T11578]  el0_svc_common+0x130/0x23c
[  523.036085][T11578]  do_el0_svc+0x48/0x58
[  523.037220][T11578]  el0_svc+0x58/0x16c
[  523.038327][T11578]  el0t_64_sync_handler+0x84/0xfc
[  523.039731][T11578]  el0t_64_sync+0x190/0x194
[  523.042163][T11578] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.223180][T11581] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.225521][T11581] CPU: 1 PID: 11581 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  523.228453][T11581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  523.231275][T11581] Call trace:
[  523.232188][T11581]  dump_backtrace+0x1b8/0x1e4
[  523.233457][T11581]  show_stack+0x2c/0x44
[  523.234604][T11581]  dump_stack_lvl+0xd0/0x124
[  523.235843][T11581]  dump_stack+0x1c/0x28
[  523.236993][T11581]  sysfs_create_dir_ns+0x278/0x318
[  523.238425][T11581]  kobject_add_internal+0x514/0xadc
[  523.239797][T11581]  kobject_add+0x14c/0x224
[  523.240985][T11581]  device_add+0x3a0/0xaac
[  523.242163][T11581]  device_register+0x28/0x38
[  523.243435][T11581]  tty_register_device_attr+0x3a4/0x7d4
[  523.245034][T11581]  tty_register_device+0x3c/0x50
[  523.246370][T11581]  gsm_activate_mux+0xdc/0x268
[  523.247683][T11581]  gsmld_ioctl+0x16f0/0x2310
[  523.248916][T11581]  tty_ioctl+0x924/0xd8c
[  523.250138][T11581]  __arm64_sys_ioctl+0x14c/0x1c8
[  523.251472][T11581]  invoke_syscall+0x98/0x2b8
[  523.252789][T11581]  el0_svc_common+0x130/0x23c
[  523.254069][T11581]  do_el0_svc+0x48/0x58
[  523.255212][T11581]  el0_svc+0x58/0x16c
[  523.256323][T11581]  el0t_64_sync_handler+0x84/0xfc
[  523.257656][T11581]  el0t_64_sync+0x190/0x194
[  523.264714][T11581] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.465193][T11584] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.467877][T11584] CPU: 0 PID: 11584 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  523.470758][T11584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  523.473504][T11584] Call trace:
[  523.474424][T11584]  dump_backtrace+0x1b8/0x1e4
[  523.475603][T11584]  show_stack+0x2c/0x44
[  523.476725][T11584]  dump_stack_lvl+0xd0/0x124
[  523.477955][T11584]  dump_stack+0x1c/0x28
[  523.479139][T11584]  sysfs_create_dir_ns+0x278/0x318
[  523.480587][T11584]  kobject_add_internal+0x514/0xadc
[  523.482016][T11584]  kobject_add+0x14c/0x224
[  523.483265][T11584]  device_add+0x3a0/0xaac
[  523.484392][T11584]  device_register+0x28/0x38
[  523.485633][T11584]  tty_register_device_attr+0x3a4/0x7d4
[  523.487099][T11584]  tty_register_device+0x3c/0x50
[  523.488431][T11584]  gsm_activate_mux+0xdc/0x268
[  523.489754][T11584]  gsmld_ioctl+0x16f0/0x2310
[  523.490986][T11584]  tty_ioctl+0x924/0xd8c
[  523.492115][T11584]  __arm64_sys_ioctl+0x14c/0x1c8
[  523.493463][T11584]  invoke_syscall+0x98/0x2b8
[  523.494743][T11584]  el0_svc_common+0x130/0x23c
[  523.496050][T11584]  do_el0_svc+0x48/0x58
[  523.497158][T11584]  el0_svc+0x58/0x16c
[  523.498258][T11584]  el0t_64_sync_handler+0x84/0xfc
[  523.499665][T11584]  el0t_64_sync+0x190/0x194
[  523.523562][T11584] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.701618][T11587] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.704118][T11587] CPU: 0 PID: 11587 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  523.707039][T11587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  523.709805][T11587] Call trace:
[  523.710891][T11587]  dump_backtrace+0x1b8/0x1e4
[  523.712201][T11587]  show_stack+0x2c/0x44
[  523.713321][T11587]  dump_stack_lvl+0xd0/0x124
[  523.714539][T11587]  dump_stack+0x1c/0x28
[  523.715616][T11587]  sysfs_create_dir_ns+0x278/0x318
[  523.717032][T11587]  kobject_add_internal+0x514/0xadc
[  523.718525][T11587]  kobject_add+0x14c/0x224
[  523.719718][T11587]  device_add+0x3a0/0xaac
[  523.720890][T11587]  device_register+0x28/0x38
[  523.722064][T11587]  tty_register_device_attr+0x3a4/0x7d4
[  523.723538][T11587]  tty_register_device+0x3c/0x50
[  523.724838][T11587]  gsm_activate_mux+0xdc/0x268
[  523.726110][T11587]  gsmld_ioctl+0x16f0/0x2310
[  523.727350][T11587]  tty_ioctl+0x924/0xd8c
[  523.728475][T11587]  __arm64_sys_ioctl+0x14c/0x1c8
[  523.729805][T11587]  invoke_syscall+0x98/0x2b8
[  523.731026][T11587]  el0_svc_common+0x130/0x23c
[  523.732328][T11587]  do_el0_svc+0x48/0x58
[  523.733460][T11587]  el0_svc+0x58/0x16c
[  523.734585][T11587]  el0t_64_sync_handler+0x84/0xfc
[  523.735882][T11587]  el0t_64_sync+0x190/0x194
[  523.741339][T11587] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.942045][T11590] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  523.944396][T11590] CPU: 1 PID: 11590 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  523.947234][T11590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  523.949991][T11590] Call trace:
[  523.950866][T11590]  dump_backtrace+0x1b8/0x1e4
[  523.952209][T11590]  show_stack+0x2c/0x44
[  523.953360][T11590]  dump_stack_lvl+0xd0/0x124
[  523.954657][T11590]  dump_stack+0x1c/0x28
[  523.955808][T11590]  sysfs_create_dir_ns+0x278/0x318
[  523.957234][T11590]  kobject_add_internal+0x514/0xadc
[  523.958659][T11590]  kobject_add+0x14c/0x224
[  523.959889][T11590]  device_add+0x3a0/0xaac
[  523.961095][T11590]  device_register+0x28/0x38
[  523.962345][T11590]  tty_register_device_attr+0x3a4/0x7d4
[  523.963846][T11590]  tty_register_device+0x3c/0x50
[  523.965241][T11590]  gsm_activate_mux+0xdc/0x268
[  523.966518][T11590]  gsmld_ioctl+0x16f0/0x2310
[  523.967821][T11590]  tty_ioctl+0x924/0xd8c
[  523.968994][T11590]  __arm64_sys_ioctl+0x14c/0x1c8
[  523.970280][T11590]  invoke_syscall+0x98/0x2b8
[  523.971526][T11590]  el0_svc_common+0x130/0x23c
[  523.972761][T11590]  do_el0_svc+0x48/0x58
[  523.973884][T11590]  el0_svc+0x58/0x16c
[  523.974956][T11590]  el0t_64_sync_handler+0x84/0xfc
[  523.976286][T11590]  el0t_64_sync+0x190/0x194
[  523.983809][T11590] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.179454][T11593] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  524.181809][T11593] CPU: 1 PID: 11593 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  524.184543][T11593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  524.187218][T11593] Call trace:
[  524.188123][T11593]  dump_backtrace+0x1b8/0x1e4
[  524.189430][T11593]  show_stack+0x2c/0x44
[  524.190520][T11593]  dump_stack_lvl+0xd0/0x124
[  524.191805][T11593]  dump_stack+0x1c/0x28
[  524.192917][T11593]  sysfs_create_dir_ns+0x278/0x318
[  524.194336][T11593]  kobject_add_internal+0x514/0xadc
[  524.195781][T11593]  kobject_add+0x14c/0x224
[  524.196993][T11593]  device_add+0x3a0/0xaac
[  524.198131][T11593]  device_register+0x28/0x38
[  524.199356][T11593]  tty_register_device_attr+0x3a4/0x7d4
[  524.200890][T11593]  tty_register_device+0x3c/0x50
[  524.202239][T11593]  gsm_activate_mux+0xdc/0x268
[  524.203516][T11593]  gsmld_ioctl+0x16f0/0x2310
[  524.204759][T11593]  tty_ioctl+0x924/0xd8c
[  524.205903][T11593]  __arm64_sys_ioctl+0x14c/0x1c8
[  524.207234][T11593]  invoke_syscall+0x98/0x2b8
[  524.208499][T11593]  el0_svc_common+0x130/0x23c
[  524.209810][T11593]  do_el0_svc+0x48/0x58
[  524.210919][T11593]  el0_svc+0x58/0x16c
[  524.211963][T11593]  el0t_64_sync_handler+0x84/0xfc
[  524.213307][T11593]  el0t_64_sync+0x190/0x194
[  524.220421][T11593] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.428253][T11596] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  524.430598][T11596] CPU: 0 PID: 11596 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  524.433411][T11596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  524.436141][T11596] Call trace:
[  524.437036][T11596]  dump_backtrace+0x1b8/0x1e4
[  524.438284][T11596]  show_stack+0x2c/0x44
[  524.439472][T11596]  dump_stack_lvl+0xd0/0x124
[  524.440692][T11596]  dump_stack+0x1c/0x28
[  524.441798][T11596]  sysfs_create_dir_ns+0x278/0x318
[  524.443205][T11596]  kobject_add_internal+0x514/0xadc
[  524.444632][T11596]  kobject_add+0x14c/0x224
[  524.445819][T11596]  device_add+0x3a0/0xaac
[  524.446973][T11596]  device_register+0x28/0x38
[  524.448204][T11596]  tty_register_device_attr+0x3a4/0x7d4
[  524.449733][T11596]  tty_register_device+0x3c/0x50
[  524.451065][T11596]  gsm_activate_mux+0xdc/0x268
[  524.452348][T11596]  gsmld_ioctl+0x16f0/0x2310
[  524.453639][T11596]  tty_ioctl+0x924/0xd8c
[  524.454781][T11596]  __arm64_sys_ioctl+0x14c/0x1c8
[  524.456153][T11596]  invoke_syscall+0x98/0x2b8
[  524.457376][T11596]  el0_svc_common+0x130/0x23c
[  524.458605][T11596]  do_el0_svc+0x48/0x58
[  524.459754][T11596]  el0_svc+0x58/0x16c
[  524.460875][T11596]  el0t_64_sync_handler+0x84/0xfc
[  524.462186][T11596]  el0t_64_sync+0x190/0x194
[  524.472194][T11596] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.674658][T11599] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  524.677304][T11599] CPU: 0 PID: 11599 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  524.680133][T11599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  524.682774][T11599] Call trace:
[  524.683647][T11599]  dump_backtrace+0x1b8/0x1e4
[  524.684911][T11599]  show_stack+0x2c/0x44
[  524.686058][T11599]  dump_stack_lvl+0xd0/0x124
[  524.687317][T11599]  dump_stack+0x1c/0x28
[  524.688469][T11599]  sysfs_create_dir_ns+0x278/0x318
[  524.689801][T11599]  kobject_add_internal+0x514/0xadc
[  524.691213][T11599]  kobject_add+0x14c/0x224
[  524.692465][T11599]  device_add+0x3a0/0xaac
[  524.693677][T11599]  device_register+0x28/0x38
[  524.694896][T11599]  tty_register_device_attr+0x3a4/0x7d4
[  524.696395][T11599]  tty_register_device+0x3c/0x50
[  524.697726][T11599]  gsm_activate_mux+0xdc/0x268
[  524.699015][T11599]  gsmld_ioctl+0x16f0/0x2310
[  524.700242][T11599]  tty_ioctl+0x924/0xd8c
[  524.701390][T11599]  __arm64_sys_ioctl+0x14c/0x1c8
[  524.702754][T11599]  invoke_syscall+0x98/0x2b8
[  524.703985][T11599]  el0_svc_common+0x130/0x23c
[  524.705251][T11599]  do_el0_svc+0x48/0x58
[  524.706388][T11599]  el0_svc+0x58/0x16c
[  524.707436][T11599]  el0t_64_sync_handler+0x84/0xfc
[  524.708780][T11599]  el0t_64_sync+0x190/0x194
[  524.711948][T11599] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.716612][T11599] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  524.719079][T11599] CPU: 0 PID: 11599 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  524.721864][T11599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  524.724538][T11599] Call trace:
[  524.725417][T11599]  dump_backtrace+0x1b8/0x1e4
[  524.726682][T11599]  show_stack+0x2c/0x44
[  524.727777][T11599]  dump_stack_lvl+0xd0/0x124
[  524.729022][T11599]  dump_stack+0x1c/0x28
[  524.730174][T11599]  sysfs_create_dir_ns+0x278/0x318
[  524.731528][T11599]  kobject_add_internal+0x514/0xadc
[  524.732868][T11599]  kobject_add+0x14c/0x224
[  524.734061][T11599]  device_add+0x3a0/0xaac
[  524.735210][T11599]  device_register+0x28/0x38
[  524.736426][T11599]  tty_register_device_attr+0x3a4/0x7d4
[  524.737978][T11599]  tty_register_device+0x3c/0x50
[  524.739280][T11599]  gsm_activate_mux+0xdc/0x268
[  524.740608][T11599]  gsmld_ioctl+0x16f0/0x2310
[  524.741866][T11599]  tty_ioctl+0x924/0xd8c
[  524.743006][T11599]  __arm64_sys_ioctl+0x14c/0x1c8
[  524.744314][T11599]  invoke_syscall+0x98/0x2b8
[  524.745502][T11599]  el0_svc_common+0x130/0x23c
[  524.746775][T11599]  do_el0_svc+0x48/0x58
[  524.747876][T11599]  el0_svc+0x58/0x16c
[  524.748928][T11599]  el0t_64_sync_handler+0x84/0xfc
[  524.750305][T11599]  el0t_64_sync+0x190/0x194
[  524.752639][T11599] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.932351][T11602] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  524.934791][T11602] CPU: 1 PID: 11602 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  524.937712][T11602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  524.940531][T11602] Call trace:
[  524.941437][T11602]  dump_backtrace+0x1b8/0x1e4
[  524.942697][T11602]  show_stack+0x2c/0x44
[  524.943884][T11602]  dump_stack_lvl+0xd0/0x124
[  524.945115][T11602]  dump_stack+0x1c/0x28
[  524.946212][T11602]  sysfs_create_dir_ns+0x278/0x318
[  524.947641][T11602]  kobject_add_internal+0x514/0xadc
[  524.949043][T11602]  kobject_add+0x14c/0x224
[  524.950219][T11602]  device_add+0x3a0/0xaac
[  524.951391][T11602]  device_register+0x28/0x38
[  524.952684][T11602]  tty_register_device_attr+0x3a4/0x7d4
[  524.954208][T11602]  tty_register_device+0x3c/0x50
[  524.955513][T11602]  gsm_activate_mux+0xdc/0x268
[  524.956799][T11602]  gsmld_ioctl+0x16f0/0x2310
[  524.958039][T11602]  tty_ioctl+0x924/0xd8c
[  524.959224][T11602]  __arm64_sys_ioctl+0x14c/0x1c8
[  524.960621][T11602]  invoke_syscall+0x98/0x2b8
[  524.961862][T11602]  el0_svc_common+0x130/0x23c
[  524.963197][T11602]  do_el0_svc+0x48/0x58
[  524.964304][T11602]  el0_svc+0x58/0x16c
[  524.965404][T11602]  el0t_64_sync_handler+0x84/0xfc
[  524.966866][T11602]  el0t_64_sync+0x190/0x194
[  524.975945][T11602] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.998183][T11602] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.000432][T11602] CPU: 0 PID: 11602 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  525.003021][T11602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  525.005632][T11602] Call trace:
[  525.006523][T11602]  dump_backtrace+0x1b8/0x1e4
[  525.007780][T11602]  show_stack+0x2c/0x44
[  525.008886][T11602]  dump_stack_lvl+0xd0/0x124
[  525.010157][T11602]  dump_stack+0x1c/0x28
[  525.011322][T11602]  sysfs_create_dir_ns+0x278/0x318
[  525.012757][T11602]  kobject_add_internal+0x514/0xadc
[  525.014142][T11602]  kobject_add+0x14c/0x224
[  525.015387][T11602]  device_add+0x3a0/0xaac
[  525.016524][T11602]  device_register+0x28/0x38
[  525.017846][T11602]  tty_register_device_attr+0x3a4/0x7d4
[  525.019340][T11602]  tty_register_device+0x3c/0x50
[  525.020711][T11602]  gsm_activate_mux+0xdc/0x268
[  525.022000][T11602]  gsmld_ioctl+0x16f0/0x2310
[  525.023241][T11602]  tty_ioctl+0x924/0xd8c
[  525.024367][T11602]  __arm64_sys_ioctl+0x14c/0x1c8
[  525.025700][T11602]  invoke_syscall+0x98/0x2b8
[  525.026950][T11602]  el0_svc_common+0x130/0x23c
[  525.028240][T11602]  do_el0_svc+0x48/0x58
[  525.029393][T11602]  el0_svc+0x58/0x16c
[  525.030474][T11602]  el0t_64_sync_handler+0x84/0xfc
[  525.031786][T11602]  el0t_64_sync+0x190/0x194
[  525.034114][T11602] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.197285][T11605] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.203424][T11605] CPU: 1 PID: 11605 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  525.206385][T11605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  525.209128][T11605] Call trace:
[  525.210040][T11605]  dump_backtrace+0x1b8/0x1e4
[  525.211351][T11605]  show_stack+0x2c/0x44
[  525.212473][T11605]  dump_stack_lvl+0xd0/0x124
[  525.213731][T11605]  dump_stack+0x1c/0x28
[  525.214890][T11605]  sysfs_create_dir_ns+0x278/0x318
[  525.216323][T11605]  kobject_add_internal+0x514/0xadc
[  525.217806][T11605]  kobject_add+0x14c/0x224
[  525.219027][T11605]  device_add+0x3a0/0xaac
[  525.220193][T11605]  device_register+0x28/0x38
[  525.221458][T11605]  tty_register_device_attr+0x3a4/0x7d4
[  525.222936][T11605]  tty_register_device+0x3c/0x50
[  525.224247][T11605]  gsm_activate_mux+0xdc/0x268
[  525.225558][T11605]  gsmld_ioctl+0x16f0/0x2310
[  525.226843][T11605]  tty_ioctl+0x924/0xd8c
[  525.227997][T11605]  __arm64_sys_ioctl+0x14c/0x1c8
[  525.229331][T11605]  invoke_syscall+0x98/0x2b8
[  525.230587][T11605]  el0_svc_common+0x130/0x23c
[  525.231841][T11605]  do_el0_svc+0x48/0x58
[  525.232969][T11605]  el0_svc+0x58/0x16c
[  525.234055][T11605]  el0t_64_sync_handler+0x84/0xfc
[  525.235399][T11605]  el0t_64_sync+0x190/0x194
[  525.246786][T11605] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.438937][T11608] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.441134][T11608] CPU: 0 PID: 11608 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  525.443816][T11608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  525.446446][T11608] Call trace:
[  525.447351][T11608]  dump_backtrace+0x1b8/0x1e4
[  525.448671][T11608]  show_stack+0x2c/0x44
[  525.449816][T11608]  dump_stack_lvl+0xd0/0x124
[  525.451049][T11608]  dump_stack+0x1c/0x28
[  525.452193][T11608]  sysfs_create_dir_ns+0x278/0x318
[  525.453629][T11608]  kobject_add_internal+0x514/0xadc
[  525.455136][T11608]  kobject_add+0x14c/0x224
[  525.456386][T11608]  device_add+0x3a0/0xaac
[  525.457596][T11608]  device_register+0x28/0x38
[  525.458831][T11608]  tty_register_device_attr+0x3a4/0x7d4
[  525.460392][T11608]  tty_register_device+0x3c/0x50
[  525.461750][T11608]  gsm_activate_mux+0xdc/0x268
[  525.463005][T11608]  gsmld_ioctl+0x16f0/0x2310
[  525.464230][T11608]  tty_ioctl+0x924/0xd8c
[  525.465462][T11608]  __arm64_sys_ioctl+0x14c/0x1c8
[  525.466831][T11608]  invoke_syscall+0x98/0x2b8
[  525.468060][T11608]  el0_svc_common+0x130/0x23c
[  525.469363][T11608]  do_el0_svc+0x48/0x58
[  525.470470][T11608]  el0_svc+0x58/0x16c
[  525.471555][T11608]  el0t_64_sync_handler+0x84/0xfc
[  525.472902][T11608]  el0t_64_sync+0x190/0x194
[  525.478063][T11608] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.662494][T11611] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.667743][T11611] CPU: 0 PID: 11611 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  525.670672][T11611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  525.672956][T11611] Call trace:
[  525.673851][T11611]  dump_backtrace+0x1b8/0x1e4
[  525.675142][T11611]  show_stack+0x2c/0x44
[  525.676276][T11611]  dump_stack_lvl+0xd0/0x124
[  525.677527][T11611]  dump_stack+0x1c/0x28
[  525.678698][T11611]  sysfs_create_dir_ns+0x278/0x318
[  525.680060][T11611]  kobject_add_internal+0x514/0xadc
[  525.681469][T11611]  kobject_add+0x14c/0x224
[  525.682687][T11611]  device_add+0x3a0/0xaac
[  525.683874][T11611]  device_register+0x28/0x38
[  525.685115][T11611]  tty_register_device_attr+0x3a4/0x7d4
[  525.686618][T11611]  tty_register_device+0x3c/0x50
[  525.687975][T11611]  gsm_activate_mux+0xdc/0x268
[  525.689238][T11611]  gsmld_ioctl+0x16f0/0x2310
[  525.690509][T11611]  tty_ioctl+0x924/0xd8c
[  525.691657][T11611]  __arm64_sys_ioctl+0x14c/0x1c8
[  525.692991][T11611]  invoke_syscall+0x98/0x2b8
[  525.694230][T11611]  el0_svc_common+0x130/0x23c
[  525.695506][T11611]  do_el0_svc+0x48/0x58
[  525.696670][T11611]  el0_svc+0x58/0x16c
[  525.697748][T11611]  el0t_64_sync_handler+0x84/0xfc
[  525.699119][T11611]  el0t_64_sync+0x190/0x194
[  525.707664][T11611] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.903497][T11614] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.906139][T11614] CPU: 0 PID: 11614 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  525.908996][T11614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  525.911740][T11614] Call trace:
[  525.912636][T11614]  dump_backtrace+0x1b8/0x1e4
[  525.913827][T11614]  show_stack+0x2c/0x44
[  525.914975][T11614]  dump_stack_lvl+0xd0/0x124
[  525.916177][T11614]  dump_stack+0x1c/0x28
[  525.917365][T11614]  sysfs_create_dir_ns+0x278/0x318
[  525.918774][T11614]  kobject_add_internal+0x514/0xadc
[  525.920303][T11614]  kobject_add+0x14c/0x224
[  525.921589][T11614]  device_add+0x3a0/0xaac
[  525.922759][T11614]  device_register+0x28/0x38
[  525.924037][T11614]  tty_register_device_attr+0x3a4/0x7d4
[  525.925591][T11614]  tty_register_device+0x3c/0x50
[  525.926984][T11614]  gsm_activate_mux+0xdc/0x268
[  525.928310][T11614]  gsmld_ioctl+0x16f0/0x2310
[  525.929611][T11614]  tty_ioctl+0x924/0xd8c
[  525.930854][T11614]  __arm64_sys_ioctl+0x14c/0x1c8
[  525.932192][T11614]  invoke_syscall+0x98/0x2b8
[  525.933443][T11614]  el0_svc_common+0x130/0x23c
[  525.934693][T11614]  do_el0_svc+0x48/0x58
[  525.935804][T11614]  el0_svc+0x58/0x16c
[  525.936895][T11614]  el0t_64_sync_handler+0x84/0xfc
[  525.938251][T11614]  el0t_64_sync+0x190/0x194
[  525.946088][T11614] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.950741][T11614] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  525.954681][T11614] CPU: 0 PID: 11614 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  525.957562][T11614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  525.960345][T11614] Call trace:
[  525.961252][T11614]  dump_backtrace+0x1b8/0x1e4
[  525.962528][T11614]  show_stack+0x2c/0x44
[  525.963662][T11614]  dump_stack_lvl+0xd0/0x124
[  525.964935][T11614]  dump_stack+0x1c/0x28
[  525.966100][T11614]  sysfs_create_dir_ns+0x278/0x318
[  525.967480][T11614]  kobject_add_internal+0x514/0xadc
[  525.969007][T11614]  kobject_add+0x14c/0x224
[  525.970167][T11614]  device_add+0x3a0/0xaac
[  525.971341][T11614]  device_register+0x28/0x38
[  525.972626][T11614]  tty_register_device_attr+0x3a4/0x7d4
[  525.974119][T11614]  tty_register_device+0x3c/0x50
[  525.975476][T11614]  gsm_activate_mux+0xdc/0x268
[  525.976798][T11614]  gsmld_ioctl+0x16f0/0x2310
[  525.977996][T11614]  tty_ioctl+0x924/0xd8c
[  525.979171][T11614]  __arm64_sys_ioctl+0x14c/0x1c8
[  525.980589][T11614]  invoke_syscall+0x98/0x2b8
[  525.981812][T11614]  el0_svc_common+0x130/0x23c
[  525.983101][T11614]  do_el0_svc+0x48/0x58
[  525.984198][T11614]  el0_svc+0x58/0x16c
[  525.985288][T11614]  el0t_64_sync_handler+0x84/0xfc
[  525.986623][T11614]  el0t_64_sync+0x190/0x194
[  525.995067][T11614] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.317766][T11617] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  526.319857][T11617] CPU: 1 PID: 11617 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  526.322595][T11617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  526.325271][T11617] Call trace:
[  526.326164][T11617]  dump_backtrace+0x1b8/0x1e4
[  526.327468][T11617]  show_stack+0x2c/0x44
[  526.328548][T11617]  dump_stack_lvl+0xd0/0x124
[  526.329859][T11617]  dump_stack+0x1c/0x28
[  526.330951][T11617]  sysfs_create_dir_ns+0x278/0x318
[  526.332316][T11617]  kobject_add_internal+0x514/0xadc
[  526.333706][T11617]  kobject_add+0x14c/0x224
[  526.334914][T11617]  device_add+0x3a0/0xaac
[  526.336085][T11617]  device_register+0x28/0x38
[  526.337334][T11617]  tty_register_device_attr+0x3a4/0x7d4
[  526.338827][T11617]  tty_register_device+0x3c/0x50
[  526.340200][T11617]  gsm_activate_mux+0xdc/0x268
[  526.341515][T11617]  gsmld_ioctl+0x16f0/0x2310
[  526.342753][T11617]  tty_ioctl+0x924/0xd8c
[  526.343892][T11617]  __arm64_sys_ioctl+0x14c/0x1c8
[  526.345238][T11617]  invoke_syscall+0x98/0x2b8
[  526.346493][T11617]  el0_svc_common+0x130/0x23c
[  526.347796][T11617]  do_el0_svc+0x48/0x58
[  526.348958][T11617]  el0_svc+0x58/0x16c
[  526.350109][T11617]  el0t_64_sync_handler+0x84/0xfc
[  526.351449][T11617]  el0t_64_sync+0x190/0x194
[  526.361710][T11617] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.605343][T11620] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  526.609184][T11620] CPU: 1 PID: 11620 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  526.612136][T11620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  526.614911][T11620] Call trace:
[  526.615813][T11620]  dump_backtrace+0x1b8/0x1e4
[  526.617076][T11620]  show_stack+0x2c/0x44
[  526.618191][T11620]  dump_stack_lvl+0xd0/0x124
[  526.619494][T11620]  dump_stack+0x1c/0x28
[  526.620690][T11620]  sysfs_create_dir_ns+0x278/0x318
[  526.622135][T11620]  kobject_add_internal+0x514/0xadc
[  526.623517][T11620]  kobject_add+0x14c/0x224
[  526.624802][T11620]  device_add+0x3a0/0xaac
[  526.625976][T11620]  device_register+0x28/0x38
[  526.627228][T11620]  tty_register_device_attr+0x3a4/0x7d4
[  526.628727][T11620]  tty_register_device+0x3c/0x50
[  526.630072][T11620]  gsm_activate_mux+0xdc/0x268
[  526.631321][T11620]  gsmld_ioctl+0x16f0/0x2310
[  526.632564][T11620]  tty_ioctl+0x924/0xd8c
[  526.633773][T11620]  __arm64_sys_ioctl+0x14c/0x1c8
[  526.635150][T11620]  invoke_syscall+0x98/0x2b8
[  526.636408][T11620]  el0_svc_common+0x130/0x23c
[  526.637675][T11620]  do_el0_svc+0x48/0x58
[  526.638796][T11620]  el0_svc+0x58/0x16c
[  526.639853][T11620]  el0t_64_sync_handler+0x84/0xfc
[  526.641282][T11620]  el0t_64_sync+0x190/0x194
[  526.646021][T11620] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.857616][T11623] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  526.862795][T11623] CPU: 1 PID: 11623 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  526.865620][T11623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  526.868402][T11623] Call trace:
[  526.869307][T11623]  dump_backtrace+0x1b8/0x1e4
[  526.870625][T11623]  show_stack+0x2c/0x44
[  526.871771][T11623]  dump_stack_lvl+0xd0/0x124
[  526.872982][T11623]  dump_stack+0x1c/0x28
[  526.874147][T11623]  sysfs_create_dir_ns+0x278/0x318
[  526.875620][T11623]  kobject_add_internal+0x514/0xadc
[  526.877065][T11623]  kobject_add+0x14c/0x224
[  526.878256][T11623]  device_add+0x3a0/0xaac
[  526.879398][T11623]  device_register+0x28/0x38
[  526.880656][T11623]  tty_register_device_attr+0x3a4/0x7d4
[  526.882266][T11623]  tty_register_device+0x3c/0x50
[  526.883688][T11623]  gsm_activate_mux+0xdc/0x268
[  526.885027][T11623]  gsmld_ioctl+0x16f0/0x2310
[  526.886271][T11623]  tty_ioctl+0x924/0xd8c
[  526.887507][T11623]  __arm64_sys_ioctl+0x14c/0x1c8
[  526.888884][T11623]  invoke_syscall+0x98/0x2b8
[  526.890147][T11623]  el0_svc_common+0x130/0x23c
[  526.891424][T11623]  do_el0_svc+0x48/0x58
[  526.892604][T11623]  el0_svc+0x58/0x16c
[  526.893681][T11623]  el0t_64_sync_handler+0x84/0xfc
[  526.895058][T11623]  el0t_64_sync+0x190/0x194
[  526.900060][T11623] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.092032][T11626] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  527.096556][T11626] CPU: 0 PID: 11626 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  527.099368][T11626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  527.102117][T11626] Call trace:
[  527.103013][T11626]  dump_backtrace+0x1b8/0x1e4
[  527.104306][T11626]  show_stack+0x2c/0x44
[  527.105411][T11626]  dump_stack_lvl+0xd0/0x124
[  527.106669][T11626]  dump_stack+0x1c/0x28
[  527.107832][T11626]  sysfs_create_dir_ns+0x278/0x318
[  527.109174][T11626]  kobject_add_internal+0x514/0xadc
[  527.110609][T11626]  kobject_add+0x14c/0x224
[  527.111825][T11626]  device_add+0x3a0/0xaac
[  527.113009][T11626]  device_register+0x28/0x38
[  527.114268][T11626]  tty_register_device_attr+0x3a4/0x7d4
[  527.115804][T11626]  tty_register_device+0x3c/0x50
[  527.117107][T11626]  gsm_activate_mux+0xdc/0x268
[  527.118465][T11626]  gsmld_ioctl+0x16f0/0x2310
[  527.119695][T11626]  tty_ioctl+0x924/0xd8c
[  527.120833][T11626]  __arm64_sys_ioctl+0x14c/0x1c8
[  527.122153][T11626]  invoke_syscall+0x98/0x2b8
[  527.123434][T11626]  el0_svc_common+0x130/0x23c
[  527.124776][T11626]  do_el0_svc+0x48/0x58
[  527.125909][T11626]  el0_svc+0x58/0x16c
[  527.127048][T11626]  el0t_64_sync_handler+0x84/0xfc
[  527.128474][T11626]  el0t_64_sync+0x190/0x194
[  527.132272][T11626] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.137114][T11626] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  527.139625][T11626] CPU: 0 PID: 11626 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  527.142506][T11626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  527.145253][T11626] Call trace:
[  527.146139][T11626]  dump_backtrace+0x1b8/0x1e4
[  527.147402][T11626]  show_stack+0x2c/0x44
[  527.148519][T11626]  dump_stack_lvl+0xd0/0x124
[  527.149792][T11626]  dump_stack+0x1c/0x28
[  527.150966][T11626]  sysfs_create_dir_ns+0x278/0x318
[  527.152305][T11626]  kobject_add_internal+0x514/0xadc
[  527.153730][T11626]  kobject_add+0x14c/0x224
[  527.154920][T11626]  device_add+0x3a0/0xaac
[  527.156125][T11626]  device_register+0x28/0x38
[  527.157389][T11626]  tty_register_device_attr+0x3a4/0x7d4
[  527.158920][T11626]  tty_register_device+0x3c/0x50
[  527.160273][T11626]  gsm_activate_mux+0xdc/0x268
[  527.161522][T11626]  gsmld_ioctl+0x16f0/0x2310
[  527.162756][T11626]  tty_ioctl+0x924/0xd8c
[  527.163929][T11626]  __arm64_sys_ioctl+0x14c/0x1c8
[  527.165271][T11626]  invoke_syscall+0x98/0x2b8
[  527.166462][T11626]  el0_svc_common+0x130/0x23c
[  527.167739][T11626]  do_el0_svc+0x48/0x58
[  527.168835][T11626]  el0_svc+0x58/0x16c
[  527.169928][T11626]  el0t_64_sync_handler+0x84/0xfc
[  527.171247][T11626]  el0t_64_sync+0x190/0x194
[  527.177048][T11626] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.352142][T11629] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  527.354292][T11629] CPU: 1 PID: 11629 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  527.357092][T11629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  527.359844][T11629] Call trace:
[  527.360747][T11629]  dump_backtrace+0x1b8/0x1e4
[  527.362027][T11629]  show_stack+0x2c/0x44
[  527.363130][T11629]  dump_stack_lvl+0xd0/0x124
[  527.364372][T11629]  dump_stack+0x1c/0x28
[  527.365520][T11629]  sysfs_create_dir_ns+0x278/0x318
[  527.366916][T11629]  kobject_add_internal+0x514/0xadc
[  527.368367][T11629]  kobject_add+0x14c/0x224
[  527.369525][T11629]  device_add+0x3a0/0xaac
[  527.370721][T11629]  device_register+0x28/0x38
[  527.371976][T11629]  tty_register_device_attr+0x3a4/0x7d4
[  527.373443][T11629]  tty_register_device+0x3c/0x50
[  527.374807][T11629]  gsm_activate_mux+0xdc/0x268
[  527.376156][T11629]  gsmld_ioctl+0x16f0/0x2310
[  527.377416][T11629]  tty_ioctl+0x924/0xd8c
[  527.378593][T11629]  __arm64_sys_ioctl+0x14c/0x1c8
[  527.379939][T11629]  invoke_syscall+0x98/0x2b8
[  527.381267][T11629]  el0_svc_common+0x130/0x23c
[  527.382525][T11629]  do_el0_svc+0x48/0x58
[  527.383704][T11629]  el0_svc+0x58/0x16c
[  527.384766][T11629]  el0t_64_sync_handler+0x84/0xfc
[  527.386134][T11629]  el0t_64_sync+0x190/0x194
[  527.395079][T11629] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.404873][T11630] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  527.412417][T11630] CPU: 1 PID: 11630 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  527.415297][T11630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  527.418079][T11630] Call trace:
[  527.418987][T11630]  dump_backtrace+0x1b8/0x1e4
[  527.420301][T11630]  show_stack+0x2c/0x44
[  527.421447][T11630]  dump_stack_lvl+0xd0/0x124
[  527.422678][T11630]  dump_stack+0x1c/0x28
[  527.423811][T11630]  sysfs_create_dir_ns+0x278/0x318
[  527.425181][T11630]  kobject_add_internal+0x514/0xadc
[  527.426603][T11630]  kobject_add+0x14c/0x224
[  527.427872][T11630]  device_add+0x3a0/0xaac
[  527.429086][T11630]  device_register+0x28/0x38
[  527.430334][T11630]  tty_register_device_attr+0x3a4/0x7d4
[  527.431846][T11630]  tty_register_device+0x3c/0x50
[  527.433205][T11630]  gsm_activate_mux+0xdc/0x268
[  527.434507][T11630]  gsmld_ioctl+0x16f0/0x2310
[  527.435735][T11630]  tty_ioctl+0x924/0xd8c
[  527.436882][T11630]  __arm64_sys_ioctl+0x14c/0x1c8
[  527.438210][T11630]  invoke_syscall+0x98/0x2b8
[  527.439438][T11630]  el0_svc_common+0x130/0x23c
[  527.440746][T11630]  do_el0_svc+0x48/0x58
[  527.441859][T11630]  el0_svc+0x58/0x16c
[  527.442966][T11630]  el0t_64_sync_handler+0x84/0xfc
[  527.444285][T11630]  el0t_64_sync+0x190/0x194
[  527.448230][T11630] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.779689][T11633] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  527.783523][T11633] CPU: 0 PID: 11633 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  527.786373][T11633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  527.789129][T11633] Call trace:
[  527.790012][T11633]  dump_backtrace+0x1b8/0x1e4
[  527.791333][T11633]  show_stack+0x2c/0x44
[  527.792516][T11633]  dump_stack_lvl+0xd0/0x124
[  527.793799][T11633]  dump_stack+0x1c/0x28
[  527.794937][T11633]  sysfs_create_dir_ns+0x278/0x318
[  527.796301][T11633]  kobject_add_internal+0x514/0xadc
[  527.797689][T11633]  kobject_add+0x14c/0x224
[  527.798819][T11633]  device_add+0x3a0/0xaac
[  527.799932][T11633]  device_register+0x28/0x38
[  527.801209][T11633]  tty_register_device_attr+0x3a4/0x7d4
[  527.802694][T11633]  tty_register_device+0x3c/0x50
[  527.804076][T11633]  gsm_activate_mux+0xdc/0x268
[  527.805412][T11633]  gsmld_ioctl+0x16f0/0x2310
[  527.806774][T11633]  tty_ioctl+0x924/0xd8c
[  527.807929][T11633]  __arm64_sys_ioctl+0x14c/0x1c8
[  527.809319][T11633]  invoke_syscall+0x98/0x2b8
[  527.810493][T11633]  el0_svc_common+0x130/0x23c
[  527.811686][T11633]  do_el0_svc+0x48/0x58
[  527.812862][T11633]  el0_svc+0x58/0x16c
[  527.813943][T11633]  el0t_64_sync_handler+0x84/0xfc
[  527.815283][T11633]  el0t_64_sync+0x190/0x194
[  527.818390][T11633] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.066166][T11636] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.069550][T11636] CPU: 0 PID: 11636 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  528.072446][T11636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  528.075136][T11636] Call trace:
[  528.076075][T11636]  dump_backtrace+0x1b8/0x1e4
[  528.077356][T11636]  show_stack+0x2c/0x44
[  528.078482][T11636]  dump_stack_lvl+0xd0/0x124
[  528.079716][T11636]  dump_stack+0x1c/0x28
[  528.080946][T11636]  sysfs_create_dir_ns+0x278/0x318
[  528.082277][T11636]  kobject_add_internal+0x514/0xadc
[  528.083631][T11636]  kobject_add+0x14c/0x224
[  528.084873][T11636]  device_add+0x3a0/0xaac
[  528.086074][T11636]  device_register+0x28/0x38
[  528.087301][T11636]  tty_register_device_attr+0x3a4/0x7d4
[  528.088783][T11636]  tty_register_device+0x3c/0x50
[  528.090127][T11636]  gsm_activate_mux+0xdc/0x268
[  528.091484][T11636]  gsmld_ioctl+0x16f0/0x2310
[  528.092774][T11636]  tty_ioctl+0x924/0xd8c
[  528.093974][T11636]  __arm64_sys_ioctl+0x14c/0x1c8
[  528.095400][T11636]  invoke_syscall+0x98/0x2b8
[  528.096634][T11636]  el0_svc_common+0x130/0x23c
[  528.097886][T11636]  do_el0_svc+0x48/0x58
[  528.099006][T11636]  el0_svc+0x58/0x16c
[  528.100107][T11636]  el0t_64_sync_handler+0x84/0xfc
[  528.101474][T11636]  el0t_64_sync+0x190/0x194
[  528.105804][T11636] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.325549][T11639] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.327903][T11639] CPU: 1 PID: 11639 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  528.330695][T11639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  528.333346][T11639] Call trace:
[  528.334211][T11639]  dump_backtrace+0x1b8/0x1e4
[  528.335493][T11639]  show_stack+0x2c/0x44
[  528.336713][T11639]  dump_stack_lvl+0xd0/0x124
[  528.337960][T11639]  dump_stack+0x1c/0x28
[  528.339091][T11639]  sysfs_create_dir_ns+0x278/0x318
[  528.340549][T11639]  kobject_add_internal+0x514/0xadc
[  528.341969][T11639]  kobject_add+0x14c/0x224
[  528.343179][T11639]  device_add+0x3a0/0xaac
[  528.344357][T11639]  device_register+0x28/0x38
[  528.345644][T11639]  tty_register_device_attr+0x3a4/0x7d4
[  528.347249][T11639]  tty_register_device+0x3c/0x50
[  528.348724][T11639]  gsm_activate_mux+0xdc/0x268
[  528.350025][T11639]  gsmld_ioctl+0x16f0/0x2310
[  528.351259][T11639]  tty_ioctl+0x924/0xd8c
[  528.352413][T11639]  __arm64_sys_ioctl+0x14c/0x1c8
[  528.353758][T11639]  invoke_syscall+0x98/0x2b8
[  528.354998][T11639]  el0_svc_common+0x130/0x23c
[  528.356260][T11639]  do_el0_svc+0x48/0x58
[  528.357426][T11639]  el0_svc+0x58/0x16c
[  528.358541][T11639]  el0t_64_sync_handler+0x84/0xfc
[  528.359875][T11639]  el0t_64_sync+0x190/0x194
[  528.364821][T11639] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.564671][T11642] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.567163][T11642] CPU: 0 PID: 11642 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  528.569961][T11642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  528.572634][T11642] Call trace:
[  528.573475][T11642]  dump_backtrace+0x1b8/0x1e4
[  528.574702][T11642]  show_stack+0x2c/0x44
[  528.575849][T11642]  dump_stack_lvl+0xd0/0x124
[  528.577090][T11642]  dump_stack+0x1c/0x28
[  528.578189][T11642]  sysfs_create_dir_ns+0x278/0x318
[  528.579632][T11642]  kobject_add_internal+0x514/0xadc
[  528.581066][T11642]  kobject_add+0x14c/0x224
[  528.582237][T11642]  device_add+0x3a0/0xaac
[  528.583404][T11642]  device_register+0x28/0x38
[  528.584639][T11642]  tty_register_device_attr+0x3a4/0x7d4
[  528.586149][T11642]  tty_register_device+0x3c/0x50
[  528.587455][T11642]  gsm_activate_mux+0xdc/0x268
[  528.588783][T11642]  gsmld_ioctl+0x16f0/0x2310
[  528.589925][T11642]  tty_ioctl+0x924/0xd8c
[  528.591094][T11642]  __arm64_sys_ioctl+0x14c/0x1c8
[  528.592456][T11642]  invoke_syscall+0x98/0x2b8
[  528.593646][T11642]  el0_svc_common+0x130/0x23c
[  528.594957][T11642]  do_el0_svc+0x48/0x58
[  528.596077][T11642]  el0_svc+0x58/0x16c
[  528.597174][T11642]  el0t_64_sync_handler+0x84/0xfc
[  528.598548][T11642]  el0t_64_sync+0x190/0x194
[  528.620659][T11642] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.803533][T11645] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.808613][T11645] CPU: 0 PID: 11645 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  528.811474][T11645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  528.814200][T11645] Call trace:
[  528.815088][T11645]  dump_backtrace+0x1b8/0x1e4
[  528.816334][T11645]  show_stack+0x2c/0x44
[  528.817457][T11645]  dump_stack_lvl+0xd0/0x124
[  528.818739][T11645]  dump_stack+0x1c/0x28
[  528.819887][T11645]  sysfs_create_dir_ns+0x278/0x318
[  528.821291][T11645]  kobject_add_internal+0x514/0xadc
[  528.822669][T11645]  kobject_add+0x14c/0x224
[  528.823870][T11645]  device_add+0x3a0/0xaac
[  528.825006][T11645]  device_register+0x28/0x38
[  528.826267][T11645]  tty_register_device_attr+0x3a4/0x7d4
[  528.827773][T11645]  tty_register_device+0x3c/0x50
[  528.829118][T11645]  gsm_activate_mux+0xdc/0x268
[  528.830419][T11645]  gsmld_ioctl+0x16f0/0x2310
[  528.831729][T11645]  tty_ioctl+0x924/0xd8c
[  528.832873][T11645]  __arm64_sys_ioctl+0x14c/0x1c8
[  528.834297][T11645]  invoke_syscall+0x98/0x2b8
[  528.835616][T11645]  el0_svc_common+0x130/0x23c
[  528.836943][T11645]  do_el0_svc+0x48/0x58
[  528.838083][T11645]  el0_svc+0x58/0x16c
[  528.839165][T11645]  el0t_64_sync_handler+0x84/0xfc
[  528.840577][T11645]  el0t_64_sync+0x190/0x194
[  528.845881][T11645] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.849845][T11645] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  528.852148][T11645] CPU: 0 PID: 11645 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  528.854866][T11645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  528.857608][T11645] Call trace:
[  528.858454][T11645]  dump_backtrace+0x1b8/0x1e4
[  528.859731][T11645]  show_stack+0x2c/0x44
[  528.860845][T11645]  dump_stack_lvl+0xd0/0x124
[  528.862068][T11645]  dump_stack+0x1c/0x28
[  528.863222][T11645]  sysfs_create_dir_ns+0x278/0x318
[  528.864573][T11645]  kobject_add_internal+0x514/0xadc
[  528.865925][T11645]  kobject_add+0x14c/0x224
[  528.867131][T11645]  device_add+0x3a0/0xaac
[  528.868354][T11645]  device_register+0x28/0x38
[  528.869558][T11645]  tty_register_device_attr+0x3a4/0x7d4
[  528.871062][T11645]  tty_register_device+0x3c/0x50
[  528.872386][T11645]  gsm_activate_mux+0xdc/0x268
[  528.873695][T11645]  gsmld_ioctl+0x16f0/0x2310
[  528.874969][T11645]  tty_ioctl+0x924/0xd8c
[  528.876126][T11645]  __arm64_sys_ioctl+0x14c/0x1c8
[  528.877580][T11645]  invoke_syscall+0x98/0x2b8
[  528.878786][T11645]  el0_svc_common+0x130/0x23c
[  528.880070][T11645]  do_el0_svc+0x48/0x58
[  528.881203][T11645]  el0_svc+0x58/0x16c
[  528.882279][T11645]  el0t_64_sync_handler+0x84/0xfc
[  528.883647][T11645]  el0t_64_sync+0x190/0x194
[  528.886945][T11645] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.069958][T11648] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  529.072180][T11648] CPU: 0 PID: 11648 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  529.074936][T11648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  529.077711][T11648] Call trace:
[  529.078614][T11648]  dump_backtrace+0x1b8/0x1e4
[  529.079915][T11648]  show_stack+0x2c/0x44
[  529.081123][T11648]  dump_stack_lvl+0xd0/0x124
[  529.082433][T11648]  dump_stack+0x1c/0x28
[  529.083624][T11648]  sysfs_create_dir_ns+0x278/0x318
[  529.085087][T11648]  kobject_add_internal+0x514/0xadc
[  529.086523][T11648]  kobject_add+0x14c/0x224
[  529.087838][T11648]  device_add+0x3a0/0xaac
[  529.089066][T11648]  device_register+0x28/0x38
[  529.090291][T11648]  tty_register_device_attr+0x3a4/0x7d4
[  529.091766][T11648]  tty_register_device+0x3c/0x50
[  529.093144][T11648]  gsm_activate_mux+0xdc/0x268
[  529.094437][T11648]  gsmld_ioctl+0x16f0/0x2310
[  529.095744][T11648]  tty_ioctl+0x924/0xd8c
[  529.096885][T11648]  __arm64_sys_ioctl+0x14c/0x1c8
[  529.098299][T11648]  invoke_syscall+0x98/0x2b8
[  529.099616][T11648]  el0_svc_common+0x130/0x23c
[  529.100893][T11648]  do_el0_svc+0x48/0x58
[  529.102027][T11648]  el0_svc+0x58/0x16c
[  529.103113][T11648]  el0t_64_sync_handler+0x84/0xfc
[  529.104486][T11648]  el0t_64_sync+0x190/0x194
[  529.111775][T11648] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.315218][T11651] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  529.320430][T11651] CPU: 1 PID: 11651 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  529.323248][T11651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  529.325909][T11651] Call trace:
[  529.326824][T11651]  dump_backtrace+0x1b8/0x1e4
[  529.328128][T11651]  show_stack+0x2c/0x44
[  529.329281][T11651]  dump_stack_lvl+0xd0/0x124
[  529.330531][T11651]  dump_stack+0x1c/0x28
[  529.331716][T11651]  sysfs_create_dir_ns+0x278/0x318
[  529.333163][T11651]  kobject_add_internal+0x514/0xadc
[  529.334614][T11651]  kobject_add+0x14c/0x224
[  529.335808][T11651]  device_add+0x3a0/0xaac
[  529.337021][T11651]  device_register+0x28/0x38
[  529.338208][T11651]  tty_register_device_attr+0x3a4/0x7d4
[  529.339813][T11651]  tty_register_device+0x3c/0x50
[  529.341153][T11651]  gsm_activate_mux+0xdc/0x268
[  529.342481][T11651]  gsmld_ioctl+0x16f0/0x2310
[  529.343697][T11651]  tty_ioctl+0x924/0xd8c
[  529.344890][T11651]  __arm64_sys_ioctl+0x14c/0x1c8
[  529.346273][T11651]  invoke_syscall+0x98/0x2b8
[  529.347498][T11651]  el0_svc_common+0x130/0x23c
[  529.348789][T11651]  do_el0_svc+0x48/0x58
[  529.349909][T11651]  el0_svc+0x58/0x16c
[  529.350969][T11651]  el0t_64_sync_handler+0x84/0xfc
[  529.352407][T11651]  el0t_64_sync+0x190/0x194
[  529.359198][T11651] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.559476][T11654] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  529.561807][T11654] CPU: 1 PID: 11654 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  529.564621][T11654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  529.567383][T11654] Call trace:
[  529.568273][T11654]  dump_backtrace+0x1b8/0x1e4
[  529.569597][T11654]  show_stack+0x2c/0x44
[  529.570737][T11654]  dump_stack_lvl+0xd0/0x124
[  529.572007][T11654]  dump_stack+0x1c/0x28
[  529.573153][T11654]  sysfs_create_dir_ns+0x278/0x318
[  529.574508][T11654]  kobject_add_internal+0x514/0xadc
[  529.575950][T11654]  kobject_add+0x14c/0x224
[  529.577103][T11654]  device_add+0x3a0/0xaac
[  529.578300][T11654]  device_register+0x28/0x38
[  529.579593][T11654]  tty_register_device_attr+0x3a4/0x7d4
[  529.581137][T11654]  tty_register_device+0x3c/0x50
[  529.582489][T11654]  gsm_activate_mux+0xdc/0x268
[  529.583852][T11654]  gsmld_ioctl+0x16f0/0x2310
[  529.585089][T11654]  tty_ioctl+0x924/0xd8c
[  529.586241][T11654]  __arm64_sys_ioctl+0x14c/0x1c8
[  529.587558][T11654]  invoke_syscall+0x98/0x2b8
[  529.588847][T11654]  el0_svc_common+0x130/0x23c
[  529.590129][T11654]  do_el0_svc+0x48/0x58
[  529.591276][T11654]  el0_svc+0x58/0x16c
[  529.592415][T11654]  el0t_64_sync_handler+0x84/0xfc
[  529.593811][T11654]  el0t_64_sync+0x190/0x194
[  529.598155][T11654] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.800213][T11657] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  529.803100][T11657] CPU: 0 PID: 11657 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  529.805930][T11657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  529.808744][T11657] Call trace:
[  529.809668][T11657]  dump_backtrace+0x1b8/0x1e4
[  529.810909][T11657]  show_stack+0x2c/0x44
[  529.812035][T11657]  dump_stack_lvl+0xd0/0x124
[  529.813325][T11657]  dump_stack+0x1c/0x28
[  529.814436][T11657]  sysfs_create_dir_ns+0x278/0x318
[  529.815861][T11657]  kobject_add_internal+0x514/0xadc
[  529.817252][T11657]  kobject_add+0x14c/0x224
[  529.818455][T11657]  device_add+0x3a0/0xaac
[  529.819651][T11657]  device_register+0x28/0x38
[  529.820862][T11657]  tty_register_device_attr+0x3a4/0x7d4
[  529.822419][T11657]  tty_register_device+0x3c/0x50
[  529.823776][T11657]  gsm_activate_mux+0xdc/0x268
[  529.825103][T11657]  gsmld_ioctl+0x16f0/0x2310
[  529.826343][T11657]  tty_ioctl+0x924/0xd8c
[  529.827545][T11657]  __arm64_sys_ioctl+0x14c/0x1c8
[  529.828962][T11657]  invoke_syscall+0x98/0x2b8
[  529.830261][T11657]  el0_svc_common+0x130/0x23c
[  529.831499][T11657]  do_el0_svc+0x48/0x58
[  529.832690][T11657]  el0_svc+0x58/0x16c
[  529.833708][T11657]  el0t_64_sync_handler+0x84/0xfc
[  529.835122][T11657]  el0t_64_sync+0x190/0x194
[  529.840767][T11657] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.043538][T11660] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.046646][T11660] CPU: 0 PID: 11660 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  530.049501][T11660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  530.052241][T11660] Call trace:
[  530.053153][T11660]  dump_backtrace+0x1b8/0x1e4
[  530.054370][T11660]  show_stack+0x2c/0x44
[  530.055480][T11660]  dump_stack_lvl+0xd0/0x124
[  530.056674][T11660]  dump_stack+0x1c/0x28
[  530.057796][T11660]  sysfs_create_dir_ns+0x278/0x318
[  530.059122][T11660]  kobject_add_internal+0x514/0xadc
[  530.060505][T11660]  kobject_add+0x14c/0x224
[  530.061788][T11660]  device_add+0x3a0/0xaac
[  530.062944][T11660]  device_register+0x28/0x38
[  530.064088][T11660]  tty_register_device_attr+0x3a4/0x7d4
[  530.065601][T11660]  tty_register_device+0x3c/0x50
[  530.066928][T11660]  gsm_activate_mux+0xdc/0x268
[  530.068132][T11660]  gsmld_ioctl+0x16f0/0x2310
[  530.069387][T11660]  tty_ioctl+0x924/0xd8c
[  530.070531][T11660]  __arm64_sys_ioctl+0x14c/0x1c8
[  530.071851][T11660]  invoke_syscall+0x98/0x2b8
[  530.073072][T11660]  el0_svc_common+0x130/0x23c
[  530.074385][T11660]  do_el0_svc+0x48/0x58
[  530.075472][T11660]  el0_svc+0x58/0x16c
[  530.076551][T11660]  el0t_64_sync_handler+0x84/0xfc
[  530.077905][T11660]  el0t_64_sync+0x190/0x194
[  530.083727][T11660] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.088729][T11660] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.091057][T11660] CPU: 0 PID: 11660 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  530.093826][T11660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  530.096388][T11660] Call trace:
[  530.097259][T11660]  dump_backtrace+0x1b8/0x1e4
[  530.098527][T11660]  show_stack+0x2c/0x44
[  530.099608][T11660]  dump_stack_lvl+0xd0/0x124
[  530.100905][T11660]  dump_stack+0x1c/0x28
[  530.102006][T11660]  sysfs_create_dir_ns+0x278/0x318
[  530.103407][T11660]  kobject_add_internal+0x514/0xadc
[  530.104801][T11660]  kobject_add+0x14c/0x224
[  530.105997][T11660]  device_add+0x3a0/0xaac
[  530.107093][T11660]  device_register+0x28/0x38
[  530.108377][T11660]  tty_register_device_attr+0x3a4/0x7d4
[  530.109894][T11660]  tty_register_device+0x3c/0x50
[  530.111173][T11660]  gsm_activate_mux+0xdc/0x268
[  530.112385][T11660]  gsmld_ioctl+0x16f0/0x2310
[  530.113645][T11660]  tty_ioctl+0x924/0xd8c
[  530.114728][T11660]  __arm64_sys_ioctl+0x14c/0x1c8
[  530.116060][T11660]  invoke_syscall+0x98/0x2b8
[  530.117268][T11660]  el0_svc_common+0x130/0x23c
[  530.118448][T11660]  do_el0_svc+0x48/0x58
[  530.119540][T11660]  el0_svc+0x58/0x16c
[  530.120666][T11660]  el0t_64_sync_handler+0x84/0xfc
[  530.122009][T11660]  el0t_64_sync+0x190/0x194
[  530.125380][T11660] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.458724][T11663] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.461164][T11663] CPU: 1 PID: 11663 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  530.464099][T11663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  530.466868][T11663] Call trace:
[  530.467767][T11663]  dump_backtrace+0x1b8/0x1e4
[  530.469034][T11663]  show_stack+0x2c/0x44
[  530.470219][T11663]  dump_stack_lvl+0xd0/0x124
[  530.471455][T11663]  dump_stack+0x1c/0x28
[  530.472613][T11663]  sysfs_create_dir_ns+0x278/0x318
[  530.474009][T11663]  kobject_add_internal+0x514/0xadc
[  530.475414][T11663]  kobject_add+0x14c/0x224
[  530.476670][T11663]  device_add+0x3a0/0xaac
[  530.477829][T11663]  device_register+0x28/0x38
[  530.479072][T11663]  tty_register_device_attr+0x3a4/0x7d4
[  530.480636][T11663]  tty_register_device+0x3c/0x50
[  530.482058][T11663]  gsm_activate_mux+0xdc/0x268
[  530.483333][T11663]  gsmld_ioctl+0x16f0/0x2310
[  530.484616][T11663]  tty_ioctl+0x924/0xd8c
[  530.485792][T11663]  __arm64_sys_ioctl+0x14c/0x1c8
[  530.487200][T11663]  invoke_syscall+0x98/0x2b8
[  530.488500][T11663]  el0_svc_common+0x130/0x23c
[  530.489779][T11663]  do_el0_svc+0x48/0x58
[  530.490926][T11663]  el0_svc+0x58/0x16c
[  530.492000][T11663]  el0t_64_sync_handler+0x84/0xfc
[  530.493432][T11663]  el0t_64_sync+0x190/0x194
[  530.507599][T11663] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.747756][T11666] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.752887][T11666] CPU: 0 PID: 11666 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  530.755634][T11666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  530.758462][T11666] Call trace:
[  530.759405][T11666]  dump_backtrace+0x1b8/0x1e4
[  530.760697][T11666]  show_stack+0x2c/0x44
[  530.761834][T11666]  dump_stack_lvl+0xd0/0x124
[  530.763084][T11666]  dump_stack+0x1c/0x28
[  530.764185][T11666]  sysfs_create_dir_ns+0x278/0x318
[  530.765545][T11666]  kobject_add_internal+0x514/0xadc
[  530.766957][T11666]  kobject_add+0x14c/0x224
[  530.768143][T11666]  device_add+0x3a0/0xaac
[  530.769322][T11666]  device_register+0x28/0x38
[  530.770578][T11666]  tty_register_device_attr+0x3a4/0x7d4
[  530.772084][T11666]  tty_register_device+0x3c/0x50
[  530.773469][T11666]  gsm_activate_mux+0xdc/0x268
[  530.774729][T11666]  gsmld_ioctl+0x16f0/0x2310
[  530.775951][T11666]  tty_ioctl+0x924/0xd8c
[  530.777165][T11666]  __arm64_sys_ioctl+0x14c/0x1c8
[  530.778486][T11666]  invoke_syscall+0x98/0x2b8
[  530.779736][T11666]  el0_svc_common+0x130/0x23c
[  530.781042][T11666]  do_el0_svc+0x48/0x58
[  530.782122][T11666]  el0_svc+0x58/0x16c
[  530.783236][T11666]  el0t_64_sync_handler+0x84/0xfc
[  530.784649][T11666]  el0t_64_sync+0x190/0x194
[  530.790836][T11666] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.794919][T11666] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  530.798075][T11666] CPU: 0 PID: 11666 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  530.800917][T11666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  530.803766][T11666] Call trace:
[  530.804653][T11666]  dump_backtrace+0x1b8/0x1e4
[  530.805976][T11666]  show_stack+0x2c/0x44
[  530.807161][T11666]  dump_stack_lvl+0xd0/0x124
[  530.808407][T11666]  dump_stack+0x1c/0x28
[  530.809560][T11666]  sysfs_create_dir_ns+0x278/0x318
[  530.810955][T11666]  kobject_add_internal+0x514/0xadc
[  530.812349][T11666]  kobject_add+0x14c/0x224
[  530.813638][T11666]  device_add+0x3a0/0xaac
[  530.814845][T11666]  device_register+0x28/0x38
[  530.816142][T11666]  tty_register_device_attr+0x3a4/0x7d4
[  530.817728][T11666]  tty_register_device+0x3c/0x50
[  530.819097][T11666]  gsm_activate_mux+0xdc/0x268
[  530.820420][T11666]  gsmld_ioctl+0x16f0/0x2310
[  530.821718][T11666]  tty_ioctl+0x924/0xd8c
[  530.822816][T11666]  __arm64_sys_ioctl+0x14c/0x1c8
[  530.824175][T11666]  invoke_syscall+0x98/0x2b8
[  530.825432][T11666]  el0_svc_common+0x130/0x23c
[  530.826722][T11666]  do_el0_svc+0x48/0x58
[  530.827858][T11666]  el0_svc+0x58/0x16c
[  530.828989][T11666]  el0t_64_sync_handler+0x84/0xfc
[  530.830424][T11666]  el0t_64_sync+0x190/0x194
[  530.833016][T11666] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.170038][T11669] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  531.172408][T11669] CPU: 1 PID: 11669 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  531.175156][T11669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  531.177895][T11669] Call trace:
[  531.178811][T11669]  dump_backtrace+0x1b8/0x1e4
[  531.180053][T11669]  show_stack+0x2c/0x44
[  531.181181][T11669]  dump_stack_lvl+0xd0/0x124
[  531.182364][T11669]  dump_stack+0x1c/0x28
[  531.183535][T11669]  sysfs_create_dir_ns+0x278/0x318
[  531.184921][T11669]  kobject_add_internal+0x514/0xadc
[  531.186322][T11669]  kobject_add+0x14c/0x224
[  531.187520][T11669]  device_add+0x3a0/0xaac
[  531.188661][T11669]  device_register+0x28/0x38
[  531.189870][T11669]  tty_register_device_attr+0x3a4/0x7d4
[  531.191340][T11669]  tty_register_device+0x3c/0x50
[  531.192679][T11669]  gsm_activate_mux+0xdc/0x268
[  531.193963][T11669]  gsmld_ioctl+0x16f0/0x2310
[  531.195157][T11669]  tty_ioctl+0x924/0xd8c
[  531.196302][T11669]  __arm64_sys_ioctl+0x14c/0x1c8
[  531.197683][T11669]  invoke_syscall+0x98/0x2b8
[  531.199021][T11669]  el0_svc_common+0x130/0x23c
[  531.200305][T11669]  do_el0_svc+0x48/0x58
[  531.201431][T11669]  el0_svc+0x58/0x16c
[  531.202512][T11669]  el0t_64_sync_handler+0x84/0xfc
[  531.203866][T11669]  el0t_64_sync+0x190/0x194
[  531.207390][T11669] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.477796][T11672] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  531.479947][T11672] CPU: 0 PID: 11672 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  531.482656][T11672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  531.485242][T11672] Call trace:
[  531.486144][T11672]  dump_backtrace+0x1b8/0x1e4
[  531.487422][T11672]  show_stack+0x2c/0x44
[  531.488522][T11672]  dump_stack_lvl+0xd0/0x124
[  531.489773][T11672]  dump_stack+0x1c/0x28
[  531.490912][T11672]  sysfs_create_dir_ns+0x278/0x318
[  531.492421][T11672]  kobject_add_internal+0x514/0xadc
[  531.493837][T11672]  kobject_add+0x14c/0x224
[  531.494983][T11672]  device_add+0x3a0/0xaac
[  531.496121][T11672]  device_register+0x28/0x38
[  531.497293][T11672]  tty_register_device_attr+0x3a4/0x7d4
[  531.498777][T11672]  tty_register_device+0x3c/0x50
[  531.500119][T11672]  gsm_activate_mux+0xdc/0x268
[  531.501413][T11672]  gsmld_ioctl+0x16f0/0x2310
[  531.502687][T11672]  tty_ioctl+0x924/0xd8c
[  531.503845][T11672]  __arm64_sys_ioctl+0x14c/0x1c8
[  531.505200][T11672]  invoke_syscall+0x98/0x2b8
[  531.506424][T11672]  el0_svc_common+0x130/0x23c
[  531.507684][T11672]  do_el0_svc+0x48/0x58
[  531.508824][T11672]  el0_svc+0x58/0x16c
[  531.509881][T11672]  el0t_64_sync_handler+0x84/0xfc
[  531.511163][T11672]  el0t_64_sync+0x190/0x194
[  531.513328][T11672] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.888246][T11675] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  531.890608][T11675] CPU: 1 PID: 11675 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  531.893370][T11675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  531.896010][T11675] Call trace:
[  531.896925][T11675]  dump_backtrace+0x1b8/0x1e4
[  531.898189][T11675]  show_stack+0x2c/0x44
[  531.899322][T11675]  dump_stack_lvl+0xd0/0x124
[  531.900589][T11675]  dump_stack+0x1c/0x28
[  531.901725][T11675]  sysfs_create_dir_ns+0x278/0x318
[  531.903133][T11675]  kobject_add_internal+0x514/0xadc
[  531.904489][T11675]  kobject_add+0x14c/0x224
[  531.905616][T11675]  device_add+0x3a0/0xaac
[  531.906798][T11675]  device_register+0x28/0x38
[  531.908022][T11675]  tty_register_device_attr+0x3a4/0x7d4
[  531.909590][T11675]  tty_register_device+0x3c/0x50
[  531.910860][T11675]  gsm_activate_mux+0xdc/0x268
[  531.912225][T11675]  gsmld_ioctl+0x16f0/0x2310
[  531.913448][T11675]  tty_ioctl+0x924/0xd8c
[  531.914603][T11675]  __arm64_sys_ioctl+0x14c/0x1c8
[  531.915883][T11675]  invoke_syscall+0x98/0x2b8
[  531.917084][T11675]  el0_svc_common+0x130/0x23c
[  531.918348][T11675]  do_el0_svc+0x48/0x58
[  531.919501][T11675]  el0_svc+0x58/0x16c
[  531.920600][T11675]  el0t_64_sync_handler+0x84/0xfc
[  531.921938][T11675]  el0t_64_sync+0x190/0x194
[  531.955447][T11675] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.179740][T11678] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.181994][T11678] CPU: 1 PID: 11678 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  532.184741][T11678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  532.187455][T11678] Call trace:
[  532.188401][T11678]  dump_backtrace+0x1b8/0x1e4
[  532.189684][T11678]  show_stack+0x2c/0x44
[  532.190798][T11678]  dump_stack_lvl+0xd0/0x124
[  532.192032][T11678]  dump_stack+0x1c/0x28
[  532.193204][T11678]  sysfs_create_dir_ns+0x278/0x318
[  532.194578][T11678]  kobject_add_internal+0x514/0xadc
[  532.195984][T11678]  kobject_add+0x14c/0x224
[  532.197206][T11678]  device_add+0x3a0/0xaac
[  532.198373][T11678]  device_register+0x28/0x38
[  532.199610][T11678]  tty_register_device_attr+0x3a4/0x7d4
[  532.201141][T11678]  tty_register_device+0x3c/0x50
[  532.202481][T11678]  gsm_activate_mux+0xdc/0x268
[  532.203681][T11678]  gsmld_ioctl+0x16f0/0x2310
[  532.204889][T11678]  tty_ioctl+0x924/0xd8c
[  532.206099][T11678]  __arm64_sys_ioctl+0x14c/0x1c8
[  532.207423][T11678]  invoke_syscall+0x98/0x2b8
[  532.208722][T11678]  el0_svc_common+0x130/0x23c
[  532.210037][T11678]  do_el0_svc+0x48/0x58
[  532.211143][T11678]  el0_svc+0x58/0x16c
[  532.212236][T11678]  el0t_64_sync_handler+0x84/0xfc
[  532.213677][T11678]  el0t_64_sync+0x190/0x194
[  532.216718][T11678] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.221125][T11678] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.223307][T11678] CPU: 1 PID: 11678 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  532.226114][T11678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  532.228889][T11678] Call trace:
[  532.229820][T11678]  dump_backtrace+0x1b8/0x1e4
[  532.231149][T11678]  show_stack+0x2c/0x44
[  532.232277][T11678]  dump_stack_lvl+0xd0/0x124
[  532.233515][T11678]  dump_stack+0x1c/0x28
[  532.234702][T11678]  sysfs_create_dir_ns+0x278/0x318
[  532.236059][T11678]  kobject_add_internal+0x514/0xadc
[  532.237483][T11678]  kobject_add+0x14c/0x224
[  532.238661][T11678]  device_add+0x3a0/0xaac
[  532.239815][T11678]  device_register+0x28/0x38
[  532.241044][T11678]  tty_register_device_attr+0x3a4/0x7d4
[  532.242497][T11678]  tty_register_device+0x3c/0x50
[  532.243807][T11678]  gsm_activate_mux+0xdc/0x268
[  532.245090][T11678]  gsmld_ioctl+0x16f0/0x2310
[  532.246325][T11678]  tty_ioctl+0x924/0xd8c
[  532.247442][T11678]  __arm64_sys_ioctl+0x14c/0x1c8
[  532.248821][T11678]  invoke_syscall+0x98/0x2b8
[  532.250029][T11678]  el0_svc_common+0x130/0x23c
[  532.251210][T11678]  do_el0_svc+0x48/0x58
[  532.252360][T11678]  el0_svc+0x58/0x16c
[  532.253467][T11678]  el0t_64_sync_handler+0x84/0xfc
[  532.254820][T11678]  el0t_64_sync+0x190/0x194
[  532.257245][T11678] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.434047][T11681] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.438932][T11681] CPU: 1 PID: 11681 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  532.441904][T11681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  532.444792][T11681] Call trace:
[  532.445681][T11681]  dump_backtrace+0x1b8/0x1e4
[  532.446977][T11681]  show_stack+0x2c/0x44
[  532.448136][T11681]  dump_stack_lvl+0xd0/0x124
[  532.449351][T11681]  dump_stack+0x1c/0x28
[  532.450487][T11681]  sysfs_create_dir_ns+0x278/0x318
[  532.451863][T11681]  kobject_add_internal+0x514/0xadc
[  532.453323][T11681]  kobject_add+0x14c/0x224
[  532.454481][T11681]  device_add+0x3a0/0xaac
[  532.455616][T11681]  device_register+0x28/0x38
[  532.456879][T11681]  tty_register_device_attr+0x3a4/0x7d4
[  532.458417][T11681]  tty_register_device+0x3c/0x50
[  532.459799][T11681]  gsm_activate_mux+0xdc/0x268
[  532.461093][T11681]  gsmld_ioctl+0x16f0/0x2310
[  532.462315][T11681]  tty_ioctl+0x924/0xd8c
[  532.463534][T11681]  __arm64_sys_ioctl+0x14c/0x1c8
[  532.464926][T11681]  invoke_syscall+0x98/0x2b8
[  532.466170][T11681]  el0_svc_common+0x130/0x23c
[  532.467473][T11681]  do_el0_svc+0x48/0x58
[  532.468594][T11681]  el0_svc+0x58/0x16c
[  532.469685][T11681]  el0t_64_sync_handler+0x84/0xfc
[  532.471043][T11681]  el0t_64_sync+0x190/0x194
[  532.478781][T11681] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.485394][T11682] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.488793][T11682] CPU: 0 PID: 11682 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  532.491494][T11682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  532.494246][T11682] Call trace:
[  532.495160][T11682]  dump_backtrace+0x1b8/0x1e4
[  532.496403][T11682]  show_stack+0x2c/0x44
[  532.497563][T11682]  dump_stack_lvl+0xd0/0x124
[  532.498795][T11682]  dump_stack+0x1c/0x28
[  532.499909][T11682]  sysfs_create_dir_ns+0x278/0x318
[  532.501303][T11682]  kobject_add_internal+0x514/0xadc
[  532.502757][T11682]  kobject_add+0x14c/0x224
[  532.503962][T11682]  device_add+0x3a0/0xaac
[  532.505191][T11682]  device_register+0x28/0x38
[  532.506427][T11682]  tty_register_device_attr+0x3a4/0x7d4
[  532.507958][T11682]  tty_register_device+0x3c/0x50
[  532.509264][T11682]  gsm_activate_mux+0xdc/0x268
[  532.510537][T11682]  gsmld_ioctl+0x16f0/0x2310
[  532.511799][T11682]  tty_ioctl+0x924/0xd8c
[  532.512936][T11682]  __arm64_sys_ioctl+0x14c/0x1c8
[  532.514326][T11682]  invoke_syscall+0x98/0x2b8
[  532.515588][T11682]  el0_svc_common+0x130/0x23c
[  532.516857][T11682]  do_el0_svc+0x48/0x58
[  532.517904][T11682]  el0_svc+0x58/0x16c
[  532.519001][T11682]  el0t_64_sync_handler+0x84/0xfc
[  532.520393][T11682]  el0t_64_sync+0x190/0x194
[  532.534707][T11682] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.700650][T11685] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.702965][T11685] CPU: 1 PID: 11685 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  532.705774][T11685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  532.708506][T11685] Call trace:
[  532.709379][T11685]  dump_backtrace+0x1b8/0x1e4
[  532.710621][T11685]  show_stack+0x2c/0x44
[  532.711777][T11685]  dump_stack_lvl+0xd0/0x124
[  532.713063][T11685]  dump_stack+0x1c/0x28
[  532.714228][T11685]  sysfs_create_dir_ns+0x278/0x318
[  532.715646][T11685]  kobject_add_internal+0x514/0xadc
[  532.717033][T11685]  kobject_add+0x14c/0x224
[  532.718177][T11685]  device_add+0x3a0/0xaac
[  532.719349][T11685]  device_register+0x28/0x38
[  532.720621][T11685]  tty_register_device_attr+0x3a4/0x7d4
[  532.722087][T11685]  tty_register_device+0x3c/0x50
[  532.723383][T11685]  gsm_activate_mux+0xdc/0x268
[  532.724628][T11685]  gsmld_ioctl+0x16f0/0x2310
[  532.725879][T11685]  tty_ioctl+0x924/0xd8c
[  532.727030][T11685]  __arm64_sys_ioctl+0x14c/0x1c8
[  532.728326][T11685]  invoke_syscall+0x98/0x2b8
[  532.729583][T11685]  el0_svc_common+0x130/0x23c
[  532.730829][T11685]  do_el0_svc+0x48/0x58
[  532.731983][T11685]  el0_svc+0x58/0x16c
[  532.733081][T11685]  el0t_64_sync_handler+0x84/0xfc
[  532.734489][T11685]  el0t_64_sync+0x190/0x194
[  532.746890][T11685] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.932865][T11688] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  532.935077][T11688] CPU: 0 PID: 11688 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  532.937902][T11688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  532.940682][T11688] Call trace:
[  532.941592][T11688]  dump_backtrace+0x1b8/0x1e4
[  532.942812][T11688]  show_stack+0x2c/0x44
[  532.943925][T11688]  dump_stack_lvl+0xd0/0x124
[  532.945109][T11688]  dump_stack+0x1c/0x28
[  532.946229][T11688]  sysfs_create_dir_ns+0x278/0x318
[  532.947601][T11688]  kobject_add_internal+0x514/0xadc
[  532.948948][T11688]  kobject_add+0x14c/0x224
[  532.950148][T11688]  device_add+0x3a0/0xaac
[  532.951291][T11688]  device_register+0x28/0x38
[  532.952499][T11688]  tty_register_device_attr+0x3a4/0x7d4
[  532.953970][T11688]  tty_register_device+0x3c/0x50
[  532.955262][T11688]  gsm_activate_mux+0xdc/0x268
[  532.956503][T11688]  gsmld_ioctl+0x16f0/0x2310
[  532.957695][T11688]  tty_ioctl+0x924/0xd8c
[  532.958823][T11688]  __arm64_sys_ioctl+0x14c/0x1c8
[  532.960144][T11688]  invoke_syscall+0x98/0x2b8
[  532.961381][T11688]  el0_svc_common+0x130/0x23c
[  532.962644][T11688]  do_el0_svc+0x48/0x58
[  532.963734][T11688]  el0_svc+0x58/0x16c
[  532.964828][T11688]  el0t_64_sync_handler+0x84/0xfc
[  532.966184][T11688]  el0t_64_sync+0x190/0x194
[  532.982031][T11688] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.343154][T11691] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  533.352035][T11691] CPU: 1 PID: 11691 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  533.354904][T11691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  533.357683][T11691] Call trace:
[  533.358555][T11691]  dump_backtrace+0x1b8/0x1e4
[  533.359875][T11691]  show_stack+0x2c/0x44
[  533.361031][T11691]  dump_stack_lvl+0xd0/0x124
[  533.362297][T11691]  dump_stack+0x1c/0x28
[  533.363405][T11691]  sysfs_create_dir_ns+0x278/0x318
[  533.364786][T11691]  kobject_add_internal+0x514/0xadc
[  533.366164][T11691]  kobject_add+0x14c/0x224
[  533.367315][T11691]  device_add+0x3a0/0xaac
[  533.368478][T11691]  device_register+0x28/0x38
[  533.369673][T11691]  tty_register_device_attr+0x3a4/0x7d4
[  533.371112][T11691]  tty_register_device+0x3c/0x50
[  533.372449][T11691]  gsm_activate_mux+0xdc/0x268
[  533.373757][T11691]  gsmld_ioctl+0x16f0/0x2310
[  533.375092][T11691]  tty_ioctl+0x924/0xd8c
[  533.376271][T11691]  __arm64_sys_ioctl+0x14c/0x1c8
[  533.377654][T11691]  invoke_syscall+0x98/0x2b8
[  533.378926][T11691]  el0_svc_common+0x130/0x23c
[  533.380227][T11691]  do_el0_svc+0x48/0x58
[  533.381384][T11691]  el0_svc+0x58/0x16c
[  533.382485][T11691]  el0t_64_sync_handler+0x84/0xfc
[  533.383839][T11691]  el0t_64_sync+0x190/0x194
[  533.389843][T11691] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.791741][T11694] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  533.794887][T11694] CPU: 1 PID: 11694 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  533.797751][T11694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  533.800550][T11694] Call trace:
[  533.801487][T11694]  dump_backtrace+0x1b8/0x1e4
[  533.802742][T11694]  show_stack+0x2c/0x44
[  533.803885][T11694]  dump_stack_lvl+0xd0/0x124
[  533.805151][T11694]  dump_stack+0x1c/0x28
[  533.806329][T11694]  sysfs_create_dir_ns+0x278/0x318
[  533.807760][T11694]  kobject_add_internal+0x514/0xadc
[  533.809174][T11694]  kobject_add+0x14c/0x224
[  533.810413][T11694]  device_add+0x3a0/0xaac
[  533.811609][T11694]  device_register+0x28/0x38
[  533.812802][T11694]  tty_register_device_attr+0x3a4/0x7d4
[  533.814316][T11694]  tty_register_device+0x3c/0x50
[  533.815747][T11694]  gsm_activate_mux+0xdc/0x268
[  533.817043][T11694]  gsmld_ioctl+0x16f0/0x2310
[  533.818291][T11694]  tty_ioctl+0x924/0xd8c
[  533.819497][T11694]  __arm64_sys_ioctl+0x14c/0x1c8
[  533.820860][T11694]  invoke_syscall+0x98/0x2b8
[  533.822066][T11694]  el0_svc_common+0x130/0x23c
[  533.823369][T11694]  do_el0_svc+0x48/0x58
[  533.824504][T11694]  el0_svc+0x58/0x16c
[  533.825589][T11694]  el0t_64_sync_handler+0x84/0xfc
[  533.826998][T11694]  el0t_64_sync+0x190/0x194
[  533.836683][T11694] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.243437][T11697] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  534.252465][T11697] CPU: 0 PID: 11697 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  534.255325][T11697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  534.257984][T11697] Call trace:
[  534.258854][T11697]  dump_backtrace+0x1b8/0x1e4
[  534.260126][T11697]  show_stack+0x2c/0x44
[  534.261241][T11697]  dump_stack_lvl+0xd0/0x124
[  534.262489][T11697]  dump_stack+0x1c/0x28
[  534.263638][T11697]  sysfs_create_dir_ns+0x278/0x318
[  534.264968][T11697]  kobject_add_internal+0x514/0xadc
[  534.266360][T11697]  kobject_add+0x14c/0x224
[  534.267463][T11697]  device_add+0x3a0/0xaac
[  534.268626][T11697]  device_register+0x28/0x38
[  534.269875][T11697]  tty_register_device_attr+0x3a4/0x7d4
[  534.271350][T11697]  tty_register_device+0x3c/0x50
[  534.272640][T11697]  gsm_activate_mux+0xdc/0x268
[  534.273970][T11697]  gsmld_ioctl+0x16f0/0x2310
[  534.275160][T11697]  tty_ioctl+0x924/0xd8c
[  534.276305][T11697]  __arm64_sys_ioctl+0x14c/0x1c8
[  534.277638][T11697]  invoke_syscall+0x98/0x2b8
[  534.278873][T11697]  el0_svc_common+0x130/0x23c
[  534.280133][T11697]  do_el0_svc+0x48/0x58
[  534.281298][T11697]  el0_svc+0x58/0x16c
[  534.282340][T11697]  el0t_64_sync_handler+0x84/0xfc
[  534.283704][T11697]  el0t_64_sync+0x190/0x194
[  534.290081][T11697] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.534440][T11700] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  534.540117][T11700] CPU: 0 PID: 11700 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  534.542941][T11700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  534.545734][T11700] Call trace:
[  534.546653][T11700]  dump_backtrace+0x1b8/0x1e4
[  534.547907][T11700]  show_stack+0x2c/0x44
[  534.549047][T11700]  dump_stack_lvl+0xd0/0x124
[  534.550326][T11700]  dump_stack+0x1c/0x28
[  534.551415][T11700]  sysfs_create_dir_ns+0x278/0x318
[  534.552835][T11700]  kobject_add_internal+0x514/0xadc
[  534.554256][T11700]  kobject_add+0x14c/0x224
[  534.555443][T11700]  device_add+0x3a0/0xaac
[  534.556606][T11700]  device_register+0x28/0x38
[  534.557889][T11700]  tty_register_device_attr+0x3a4/0x7d4
[  534.559352][T11700]  tty_register_device+0x3c/0x50
[  534.560717][T11700]  gsm_activate_mux+0xdc/0x268
[  534.562004][T11700]  gsmld_ioctl+0x16f0/0x2310
[  534.563251][T11700]  tty_ioctl+0x924/0xd8c
[  534.564367][T11700]  __arm64_sys_ioctl+0x14c/0x1c8
[  534.565675][T11700]  invoke_syscall+0x98/0x2b8
[  534.566898][T11700]  el0_svc_common+0x130/0x23c
[  534.568147][T11700]  do_el0_svc+0x48/0x58
[  534.569289][T11700]  el0_svc+0x58/0x16c
[  534.570352][T11700]  el0t_64_sync_handler+0x84/0xfc
[  534.571727][T11700]  el0t_64_sync+0x190/0x194
[  534.577750][T11700] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.783188][T11703] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  534.788794][T11703] CPU: 0 PID: 11703 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  534.791630][T11703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  534.794344][T11703] Call trace:
[  534.795230][T11703]  dump_backtrace+0x1b8/0x1e4
[  534.796494][T11703]  show_stack+0x2c/0x44
[  534.797635][T11703]  dump_stack_lvl+0xd0/0x124
[  534.798901][T11703]  dump_stack+0x1c/0x28
[  534.799961][T11703]  sysfs_create_dir_ns+0x278/0x318
[  534.801300][T11703]  kobject_add_internal+0x514/0xadc
[  534.802741][T11703]  kobject_add+0x14c/0x224
[  534.803987][T11703]  device_add+0x3a0/0xaac
[  534.805129][T11703]  device_register+0x28/0x38
[  534.806439][T11703]  tty_register_device_attr+0x3a4/0x7d4
[  534.807973][T11703]  tty_register_device+0x3c/0x50
[  534.809313][T11703]  gsm_activate_mux+0xdc/0x268
[  534.810628][T11703]  gsmld_ioctl+0x16f0/0x2310
[  534.811828][T11703]  tty_ioctl+0x924/0xd8c
[  534.812919][T11703]  __arm64_sys_ioctl+0x14c/0x1c8
[  534.814272][T11703]  invoke_syscall+0x98/0x2b8
[  534.815552][T11703]  el0_svc_common+0x130/0x23c
[  534.816871][T11703]  do_el0_svc+0x48/0x58
[  534.817980][T11703]  el0_svc+0x58/0x16c
[  534.819080][T11703]  el0t_64_sync_handler+0x84/0xfc
[  534.820412][T11703]  el0t_64_sync+0x190/0x194
[  534.829339][T11703] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.033998][T11706] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  535.039135][T11706] CPU: 0 PID: 11706 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  535.042058][T11706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  535.044804][T11706] Call trace:
[  535.045724][T11706]  dump_backtrace+0x1b8/0x1e4
[  535.047018][T11706]  show_stack+0x2c/0x44
[  535.048167][T11706]  dump_stack_lvl+0xd0/0x124
[  535.049388][T11706]  dump_stack+0x1c/0x28
[  535.050481][T11706]  sysfs_create_dir_ns+0x278/0x318
[  535.051855][T11706]  kobject_add_internal+0x514/0xadc
[  535.053240][T11706]  kobject_add+0x14c/0x224
[  535.054425][T11706]  device_add+0x3a0/0xaac
[  535.055622][T11706]  device_register+0x28/0x38
[  535.056824][T11706]  tty_register_device_attr+0x3a4/0x7d4
[  535.058310][T11706]  tty_register_device+0x3c/0x50
[  535.059661][T11706]  gsm_activate_mux+0xdc/0x268
[  535.060946][T11706]  gsmld_ioctl+0x16f0/0x2310
[  535.062238][T11706]  tty_ioctl+0x924/0xd8c
[  535.063411][T11706]  __arm64_sys_ioctl+0x14c/0x1c8
[  535.064811][T11706]  invoke_syscall+0x98/0x2b8
[  535.066038][T11706]  el0_svc_common+0x130/0x23c
[  535.067251][T11706]  do_el0_svc+0x48/0x58
[  535.068332][T11706]  el0_svc+0x58/0x16c
[  535.069372][T11706]  el0t_64_sync_handler+0x84/0xfc
[  535.070668][T11706]  el0t_64_sync+0x190/0x194
[  535.078988][T11706] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.270135][T11709] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  535.272371][T11709] CPU: 1 PID: 11709 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  535.275169][T11709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  535.277878][T11709] Call trace:
[  535.278779][T11709]  dump_backtrace+0x1b8/0x1e4
[  535.280012][T11709]  show_stack+0x2c/0x44
[  535.281107][T11709]  dump_stack_lvl+0xd0/0x124
[  535.282337][T11709]  dump_stack+0x1c/0x28
[  535.283495][T11709]  sysfs_create_dir_ns+0x278/0x318
[  535.284841][T11709]  kobject_add_internal+0x514/0xadc
[  535.286280][T11709]  kobject_add+0x14c/0x224
[  535.287491][T11709]  device_add+0x3a0/0xaac
[  535.288685][T11709]  device_register+0x28/0x38
[  535.289894][T11709]  tty_register_device_attr+0x3a4/0x7d4
[  535.291469][T11709]  tty_register_device+0x3c/0x50
[  535.292803][T11709]  gsm_activate_mux+0xdc/0x268
[  535.294085][T11709]  gsmld_ioctl+0x16f0/0x2310
[  535.295321][T11709]  tty_ioctl+0x924/0xd8c
[  535.296478][T11709]  __arm64_sys_ioctl+0x14c/0x1c8
[  535.297805][T11709]  invoke_syscall+0x98/0x2b8
[  535.299004][T11709]  el0_svc_common+0x130/0x23c
[  535.300243][T11709]  do_el0_svc+0x48/0x58
[  535.301334][T11709]  el0_svc+0x58/0x16c
[  535.302380][T11709]  el0t_64_sync_handler+0x84/0xfc
[  535.303741][T11709]  el0t_64_sync+0x190/0x194
[  535.312152][T11709] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.667644][T11711] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  535.670363][T11711] CPU: 1 PID: 11711 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  535.673217][T11711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  535.675954][T11711] Call trace:
[  535.676851][T11711]  dump_backtrace+0x1b8/0x1e4
[  535.678153][T11711]  show_stack+0x2c/0x44
[  535.679278][T11711]  dump_stack_lvl+0xd0/0x124
[  535.680499][T11711]  dump_stack+0x1c/0x28
[  535.681648][T11711]  sysfs_create_dir_ns+0x278/0x318
[  535.683035][T11711]  kobject_add_internal+0x514/0xadc
[  535.684467][T11711]  kobject_add+0x14c/0x224
[  535.685678][T11711]  device_add+0x3a0/0xaac
[  535.686857][T11711]  device_register+0x28/0x38
[  535.688086][T11711]  tty_register_device_attr+0x3a4/0x7d4
[  535.689560][T11711]  tty_register_device+0x3c/0x50
[  535.690921][T11711]  gsm_activate_mux+0xdc/0x268
[  535.692204][T11711]  gsmld_ioctl+0x16f0/0x2310
[  535.693378][T11711]  tty_ioctl+0x924/0xd8c
[  535.694483][T11711]  __arm64_sys_ioctl+0x14c/0x1c8
[  535.695875][T11711]  invoke_syscall+0x98/0x2b8
[  535.697111][T11711]  el0_svc_common+0x130/0x23c
[  535.698385][T11711]  do_el0_svc+0x48/0x58
[  535.699510][T11711]  el0_svc+0x58/0x16c
[  535.700585][T11711]  el0t_64_sync_handler+0x84/0xfc
[  535.701936][T11711]  el0t_64_sync+0x190/0x194
[  535.712717][T11711] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.106374][T11715] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.111766][T11715] CPU: 1 PID: 11715 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  536.114658][T11715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  536.117434][T11715] Call trace:
[  536.118319][T11715]  dump_backtrace+0x1b8/0x1e4
[  536.119611][T11715]  show_stack+0x2c/0x44
[  536.120793][T11715]  dump_stack_lvl+0xd0/0x124
[  536.122050][T11715]  dump_stack+0x1c/0x28
[  536.123190][T11715]  sysfs_create_dir_ns+0x278/0x318
[  536.124520][T11715]  kobject_add_internal+0x514/0xadc
[  536.125983][T11715]  kobject_add+0x14c/0x224
[  536.127183][T11715]  device_add+0x3a0/0xaac
[  536.128282][T11715]  device_register+0x28/0x38
[  536.129472][T11715]  tty_register_device_attr+0x3a4/0x7d4
[  536.130941][T11715]  tty_register_device+0x3c/0x50
[  536.132320][T11715]  gsm_activate_mux+0xdc/0x268
[  536.133591][T11715]  gsmld_ioctl+0x16f0/0x2310
[  536.134850][T11715]  tty_ioctl+0x924/0xd8c
[  536.136037][T11715]  __arm64_sys_ioctl+0x14c/0x1c8
[  536.137352][T11715]  invoke_syscall+0x98/0x2b8
[  536.138643][T11715]  el0_svc_common+0x130/0x23c
[  536.139960][T11715]  do_el0_svc+0x48/0x58
[  536.141127][T11715]  el0_svc+0x58/0x16c
[  536.142222][T11715]  el0t_64_sync_handler+0x84/0xfc
[  536.143579][T11715]  el0t_64_sync+0x190/0x194
[  536.169200][T11715] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.409275][T11718] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.411739][T11718] CPU: 1 PID: 11718 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  536.414633][T11718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  536.417399][T11718] Call trace:
[  536.418310][T11718]  dump_backtrace+0x1b8/0x1e4
[  536.419549][T11718]  show_stack+0x2c/0x44
[  536.420742][T11718]  dump_stack_lvl+0xd0/0x124
[  536.421991][T11718]  dump_stack+0x1c/0x28
[  536.423161][T11718]  sysfs_create_dir_ns+0x278/0x318
[  536.424598][T11718]  kobject_add_internal+0x514/0xadc
[  536.426025][T11718]  kobject_add+0x14c/0x224
[  536.427412][T11718]  device_add+0x3a0/0xaac
[  536.428542][T11718]  device_register+0x28/0x38
[  536.429840][T11718]  tty_register_device_attr+0x3a4/0x7d4
[  536.431344][T11718]  tty_register_device+0x3c/0x50
[  536.432760][T11718]  gsm_activate_mux+0xdc/0x268
[  536.434086][T11718]  gsmld_ioctl+0x16f0/0x2310
[  536.435403][T11718]  tty_ioctl+0x924/0xd8c
[  536.436538][T11718]  __arm64_sys_ioctl+0x14c/0x1c8
[  536.437860][T11718]  invoke_syscall+0x98/0x2b8
[  536.439135][T11718]  el0_svc_common+0x130/0x23c
[  536.440396][T11718]  do_el0_svc+0x48/0x58
[  536.441550][T11718]  el0_svc+0x58/0x16c
[  536.442654][T11718]  el0t_64_sync_handler+0x84/0xfc
[  536.444074][T11718]  el0t_64_sync+0x190/0x194
[  536.446606][T11718] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.450747][T11718] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.452918][T11718] CPU: 1 PID: 11718 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  536.455683][T11718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  536.458457][T11718] Call trace:
[  536.459434][T11718]  dump_backtrace+0x1b8/0x1e4
[  536.460693][T11718]  show_stack+0x2c/0x44
[  536.461779][T11718]  dump_stack_lvl+0xd0/0x124
[  536.463028][T11718]  dump_stack+0x1c/0x28
[  536.464195][T11718]  sysfs_create_dir_ns+0x278/0x318
[  536.465633][T11718]  kobject_add_internal+0x514/0xadc
[  536.467058][T11718]  kobject_add+0x14c/0x224
[  536.468301][T11718]  device_add+0x3a0/0xaac
[  536.469437][T11718]  device_register+0x28/0x38
[  536.470730][T11718]  tty_register_device_attr+0x3a4/0x7d4
[  536.472218][T11718]  tty_register_device+0x3c/0x50
[  536.473607][T11718]  gsm_activate_mux+0xdc/0x268
[  536.474885][T11718]  gsmld_ioctl+0x16f0/0x2310
[  536.476144][T11718]  tty_ioctl+0x924/0xd8c
[  536.477310][T11718]  __arm64_sys_ioctl+0x14c/0x1c8
[  536.478620][T11718]  invoke_syscall+0x98/0x2b8
[  536.479845][T11718]  el0_svc_common+0x130/0x23c
[  536.481104][T11718]  do_el0_svc+0x48/0x58
[  536.482214][T11718]  el0_svc+0x58/0x16c
[  536.483255][T11718]  el0t_64_sync_handler+0x84/0xfc
[  536.484555][T11718]  el0t_64_sync+0x190/0x194
[  536.485929][T11718] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.668647][T11721] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.673674][T11721] CPU: 1 PID: 11721 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  536.676415][T11721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  536.679146][T11721] Call trace:
[  536.680046][T11721]  dump_backtrace+0x1b8/0x1e4
[  536.681289][T11721]  show_stack+0x2c/0x44
[  536.682434][T11721]  dump_stack_lvl+0xd0/0x124
[  536.683648][T11721]  dump_stack+0x1c/0x28
[  536.684701][T11721]  sysfs_create_dir_ns+0x278/0x318
[  536.686065][T11721]  kobject_add_internal+0x514/0xadc
[  536.687455][T11721]  kobject_add+0x14c/0x224
[  536.688647][T11721]  device_add+0x3a0/0xaac
[  536.689864][T11721]  device_register+0x28/0x38
[  536.691061][T11721]  tty_register_device_attr+0x3a4/0x7d4
[  536.692605][T11721]  tty_register_device+0x3c/0x50
[  536.693942][T11721]  gsm_activate_mux+0xdc/0x268
[  536.695314][T11721]  gsmld_ioctl+0x16f0/0x2310
[  536.696539][T11721]  tty_ioctl+0x924/0xd8c
[  536.697691][T11721]  __arm64_sys_ioctl+0x14c/0x1c8
[  536.699071][T11721]  invoke_syscall+0x98/0x2b8
[  536.700340][T11721]  el0_svc_common+0x130/0x23c
[  536.701660][T11721]  do_el0_svc+0x48/0x58
[  536.702752][T11721]  el0_svc+0x58/0x16c
[  536.703819][T11721]  el0t_64_sync_handler+0x84/0xfc
[  536.705207][T11721]  el0t_64_sync+0x190/0x194
[  536.712482][T11721] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.719190][T11721] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.721518][T11721] CPU: 0 PID: 11721 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  536.724350][T11721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  536.727077][T11721] Call trace:
[  536.727999][T11721]  dump_backtrace+0x1b8/0x1e4
[  536.729226][T11721]  show_stack+0x2c/0x44
[  536.730353][T11721]  dump_stack_lvl+0xd0/0x124
[  536.731660][T11721]  dump_stack+0x1c/0x28
[  536.732778][T11721]  sysfs_create_dir_ns+0x278/0x318
[  536.734196][T11721]  kobject_add_internal+0x514/0xadc
[  536.735528][T11721]  kobject_add+0x14c/0x224
[  536.736718][T11721]  device_add+0x3a0/0xaac
[  536.737950][T11721]  device_register+0x28/0x38
[  536.739230][T11721]  tty_register_device_attr+0x3a4/0x7d4
[  536.740727][T11721]  tty_register_device+0x3c/0x50
[  536.742097][T11721]  gsm_activate_mux+0xdc/0x268
[  536.743360][T11721]  gsmld_ioctl+0x16f0/0x2310
[  536.744619][T11721]  tty_ioctl+0x924/0xd8c
[  536.745741][T11721]  __arm64_sys_ioctl+0x14c/0x1c8
[  536.747066][T11721]  invoke_syscall+0x98/0x2b8
[  536.748341][T11721]  el0_svc_common+0x130/0x23c
[  536.749562][T11721]  do_el0_svc+0x48/0x58
[  536.750687][T11721]  el0_svc+0x58/0x16c
[  536.751793][T11721]  el0t_64_sync_handler+0x84/0xfc
[  536.753115][T11721]  el0t_64_sync+0x190/0x194
[  536.755119][T11721] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.926545][T11724] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  536.928844][T11724] CPU: 1 PID: 11724 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  536.931651][T11724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  536.934403][T11724] Call trace:
[  536.935318][T11724]  dump_backtrace+0x1b8/0x1e4
[  536.936645][T11724]  show_stack+0x2c/0x44
[  536.937765][T11724]  dump_stack_lvl+0xd0/0x124
[  536.939048][T11724]  dump_stack+0x1c/0x28
[  536.940199][T11724]  sysfs_create_dir_ns+0x278/0x318
[  536.941647][T11724]  kobject_add_internal+0x514/0xadc
[  536.943073][T11724]  kobject_add+0x14c/0x224
[  536.944300][T11724]  device_add+0x3a0/0xaac
[  536.945516][T11724]  device_register+0x28/0x38
[  536.946807][T11724]  tty_register_device_attr+0x3a4/0x7d4
[  536.948256][T11724]  tty_register_device+0x3c/0x50
[  536.949677][T11724]  gsm_activate_mux+0xdc/0x268
[  536.951015][T11724]  gsmld_ioctl+0x16f0/0x2310
[  536.952261][T11724]  tty_ioctl+0x924/0xd8c
[  536.953434][T11724]  __arm64_sys_ioctl+0x14c/0x1c8
[  536.954798][T11724]  invoke_syscall+0x98/0x2b8
[  536.956060][T11724]  el0_svc_common+0x130/0x23c
[  536.957389][T11724]  do_el0_svc+0x48/0x58
[  536.958531][T11724]  el0_svc+0x58/0x16c
[  536.959658][T11724]  el0t_64_sync_handler+0x84/0xfc
[  536.961041][T11724]  el0t_64_sync+0x190/0x194
[  536.966339][T11724] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.168618][T11727] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  537.171745][T11727] CPU: 0 PID: 11727 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  537.174631][T11727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  537.177397][T11727] Call trace:
[  537.178339][T11727]  dump_backtrace+0x1b8/0x1e4
[  537.179533][T11727]  show_stack+0x2c/0x44
[  537.180677][T11727]  dump_stack_lvl+0xd0/0x124
[  537.181913][T11727]  dump_stack+0x1c/0x28
[  537.183049][T11727]  sysfs_create_dir_ns+0x278/0x318
[  537.184464][T11727]  kobject_add_internal+0x514/0xadc
[  537.185914][T11727]  kobject_add+0x14c/0x224
[  537.187152][T11727]  device_add+0x3a0/0xaac
[  537.188370][T11727]  device_register+0x28/0x38
[  537.189619][T11727]  tty_register_device_attr+0x3a4/0x7d4
[  537.191087][T11727]  tty_register_device+0x3c/0x50
[  537.192328][T11727]  gsm_activate_mux+0xdc/0x268
[  537.193630][T11727]  gsmld_ioctl+0x16f0/0x2310
[  537.194864][T11727]  tty_ioctl+0x924/0xd8c
[  537.196029][T11727]  __arm64_sys_ioctl+0x14c/0x1c8
[  537.197402][T11727]  invoke_syscall+0x98/0x2b8
[  537.198705][T11727]  el0_svc_common+0x130/0x23c
[  537.199922][T11727]  do_el0_svc+0x48/0x58
[  537.201062][T11727]  el0_svc+0x58/0x16c
[  537.202148][T11727]  el0t_64_sync_handler+0x84/0xfc
[  537.203476][T11727]  el0t_64_sync+0x190/0x194
[  537.205320][T11727] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.209744][T11727] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  537.213630][T11727] CPU: 0 PID: 11727 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  537.216364][T11727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  537.219009][T11727] Call trace:
[  537.219852][T11727]  dump_backtrace+0x1b8/0x1e4
[  537.221140][T11727]  show_stack+0x2c/0x44
[  537.222318][T11727]  dump_stack_lvl+0xd0/0x124
[  537.223635][T11727]  dump_stack+0x1c/0x28
[  537.224799][T11727]  sysfs_create_dir_ns+0x278/0x318
[  537.226148][T11727]  kobject_add_internal+0x514/0xadc
[  537.227537][T11727]  kobject_add+0x14c/0x224
[  537.228777][T11727]  device_add+0x3a0/0xaac
[  537.229927][T11727]  device_register+0x28/0x38
[  537.231209][T11727]  tty_register_device_attr+0x3a4/0x7d4
[  537.232649][T11727]  tty_register_device+0x3c/0x50
[  537.233974][T11727]  gsm_activate_mux+0xdc/0x268
[  537.235251][T11727]  gsmld_ioctl+0x16f0/0x2310
[  537.236460][T11727]  tty_ioctl+0x924/0xd8c
[  537.237651][T11727]  __arm64_sys_ioctl+0x14c/0x1c8
[  537.238957][T11727]  invoke_syscall+0x98/0x2b8
[  537.240184][T11727]  el0_svc_common+0x130/0x23c
[  537.241411][T11727]  do_el0_svc+0x48/0x58
[  537.242440][T11727]  el0_svc+0x58/0x16c
[  537.243550][T11727]  el0t_64_sync_handler+0x84/0xfc
[  537.244924][T11727]  el0t_64_sync+0x190/0x194
[  537.246900][T11727] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.606635][T11730] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  537.612822][T11730] CPU: 1 PID: 11730 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  537.615837][T11730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  537.618622][T11730] Call trace:
[  537.619524][T11730]  dump_backtrace+0x1b8/0x1e4
[  537.620849][T11730]  show_stack+0x2c/0x44
[  537.621992][T11730]  dump_stack_lvl+0xd0/0x124
[  537.623233][T11730]  dump_stack+0x1c/0x28
[  537.624386][T11730]  sysfs_create_dir_ns+0x278/0x318
[  537.625834][T11730]  kobject_add_internal+0x514/0xadc
[  537.627260][T11730]  kobject_add+0x14c/0x224
[  537.628496][T11730]  device_add+0x3a0/0xaac
[  537.629758][T11730]  device_register+0x28/0x38
[  537.631069][T11730]  tty_register_device_attr+0x3a4/0x7d4
[  537.632640][T11730]  tty_register_device+0x3c/0x50
[  537.633962][T11730]  gsm_activate_mux+0xdc/0x268
[  537.635288][T11730]  gsmld_ioctl+0x16f0/0x2310
[  537.636565][T11730]  tty_ioctl+0x924/0xd8c
[  537.637722][T11730]  __arm64_sys_ioctl+0x14c/0x1c8
[  537.638990][T11730]  invoke_syscall+0x98/0x2b8
[  537.639892][T11730]  el0_svc_common+0x130/0x23c
[  537.640766][T11730]  do_el0_svc+0x48/0x58
[  537.641507][T11730]  el0_svc+0x58/0x16c
[  537.642249][T11730]  el0t_64_sync_handler+0x84/0xfc
[  537.643227][T11730]  el0t_64_sync+0x190/0x194
[  537.666865][T11730] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.072934][T11733] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  538.075726][T11733] CPU: 0 PID: 11733 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  538.078460][T11733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  538.081084][T11733] Call trace:
[  538.081942][T11733]  dump_backtrace+0x1b8/0x1e4
[  538.083115][T11733]  show_stack+0x2c/0x44
[  538.084161][T11733]  dump_stack_lvl+0xd0/0x124
[  538.085359][T11733]  dump_stack+0x1c/0x28
[  538.086426][T11733]  sysfs_create_dir_ns+0x278/0x318
[  538.087748][T11733]  kobject_add_internal+0x514/0xadc
[  538.089187][T11733]  kobject_add+0x14c/0x224
[  538.090403][T11733]  device_add+0x3a0/0xaac
[  538.091621][T11733]  device_register+0x28/0x38
[  538.092866][T11733]  tty_register_device_attr+0x3a4/0x7d4
[  538.094358][T11733]  tty_register_device+0x3c/0x50
[  538.095691][T11733]  gsm_activate_mux+0xdc/0x268
[  538.096919][T11733]  gsmld_ioctl+0x16f0/0x2310
[  538.098182][T11733]  tty_ioctl+0x924/0xd8c
[  538.099329][T11733]  __arm64_sys_ioctl+0x14c/0x1c8
[  538.100636][T11733]  invoke_syscall+0x98/0x2b8
[  538.101853][T11733]  el0_svc_common+0x130/0x23c
[  538.103136][T11733]  do_el0_svc+0x48/0x58
[  538.104290][T11733]  el0_svc+0x58/0x16c
[  538.105374][T11733]  el0t_64_sync_handler+0x84/0xfc
[  538.106682][T11733]  el0t_64_sync+0x190/0x194
[  538.108925][T11733] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.363768][T11736] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  538.366943][T11736] CPU: 1 PID: 11736 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  538.369861][T11736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  538.372646][T11736] Call trace:
[  538.373553][T11736]  dump_backtrace+0x1b8/0x1e4
[  538.374785][T11736]  show_stack+0x2c/0x44
[  538.375920][T11736]  dump_stack_lvl+0xd0/0x124
[  538.377170][T11736]  dump_stack+0x1c/0x28
[  538.378273][T11736]  sysfs_create_dir_ns+0x278/0x318
[  538.379617][T11736]  kobject_add_internal+0x514/0xadc
[  538.380992][T11736]  kobject_add+0x14c/0x224
[  538.382183][T11736]  device_add+0x3a0/0xaac
[  538.383414][T11736]  device_register+0x28/0x38
[  538.384593][T11736]  tty_register_device_attr+0x3a4/0x7d4
[  538.386118][T11736]  tty_register_device+0x3c/0x50
[  538.387408][T11736]  gsm_activate_mux+0xdc/0x268
[  538.388698][T11736]  gsmld_ioctl+0x16f0/0x2310
[  538.389927][T11736]  tty_ioctl+0x924/0xd8c
[  538.391091][T11736]  __arm64_sys_ioctl+0x14c/0x1c8
[  538.392420][T11736]  invoke_syscall+0x98/0x2b8
[  538.393698][T11736]  el0_svc_common+0x130/0x23c
[  538.394948][T11736]  do_el0_svc+0x48/0x58
[  538.396159][T11736]  el0_svc+0x58/0x16c
[  538.397261][T11736]  el0t_64_sync_handler+0x84/0xfc
[  538.398658][T11736]  el0t_64_sync+0x190/0x194
[  538.411514][T11736] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.597361][T11739] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  538.599749][T11739] CPU: 1 PID: 11739 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  538.602487][T11739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  538.605052][T11739] Call trace:
[  538.605922][T11739]  dump_backtrace+0x1b8/0x1e4
[  538.607217][T11739]  show_stack+0x2c/0x44
[  538.608328][T11739]  dump_stack_lvl+0xd0/0x124
[  538.609721][T11739]  dump_stack+0x1c/0x28
[  538.610802][T11739]  sysfs_create_dir_ns+0x278/0x318
[  538.612235][T11739]  kobject_add_internal+0x514/0xadc
[  538.613559][T11739]  kobject_add+0x14c/0x224
[  538.614789][T11739]  device_add+0x3a0/0xaac
[  538.615980][T11739]  device_register+0x28/0x38
[  538.617243][T11739]  tty_register_device_attr+0x3a4/0x7d4
[  538.618710][T11739]  tty_register_device+0x3c/0x50
[  538.619988][T11739]  gsm_activate_mux+0xdc/0x268
[  538.621281][T11739]  gsmld_ioctl+0x16f0/0x2310
[  538.622543][T11739]  tty_ioctl+0x924/0xd8c
[  538.623670][T11739]  __arm64_sys_ioctl+0x14c/0x1c8
[  538.625026][T11739]  invoke_syscall+0x98/0x2b8
[  538.626321][T11739]  el0_svc_common+0x130/0x23c
[  538.627595][T11739]  do_el0_svc+0x48/0x58
[  538.628790][T11739]  el0_svc+0x58/0x16c
[  538.629922][T11739]  el0t_64_sync_handler+0x84/0xfc
[  538.631314][T11739]  el0t_64_sync+0x190/0x194
[  538.639351][T11739] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.838448][T11742] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  538.840823][T11742] CPU: 1 PID: 11742 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  538.843613][T11742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  538.846301][T11742] Call trace:
[  538.847151][T11742]  dump_backtrace+0x1b8/0x1e4
[  538.848504][T11742]  show_stack+0x2c/0x44
[  538.849723][T11742]  dump_stack_lvl+0xd0/0x124
[  538.851019][T11742]  dump_stack+0x1c/0x28
[  538.852150][T11742]  sysfs_create_dir_ns+0x278/0x318
[  538.853530][T11742]  kobject_add_internal+0x514/0xadc
[  538.855132][T11742]  kobject_add+0x14c/0x224
[  538.856326][T11742]  device_add+0x3a0/0xaac
[  538.857542][T11742]  device_register+0x28/0x38
[  538.858767][T11742]  tty_register_device_attr+0x3a4/0x7d4
[  538.860242][T11742]  tty_register_device+0x3c/0x50
[  538.861634][T11742]  gsm_activate_mux+0xdc/0x268
[  538.862941][T11742]  gsmld_ioctl+0x16f0/0x2310
[  538.864169][T11742]  tty_ioctl+0x924/0xd8c
[  538.865345][T11742]  __arm64_sys_ioctl+0x14c/0x1c8
[  538.866661][T11742]  invoke_syscall+0x98/0x2b8
[  538.867909][T11742]  el0_svc_common+0x130/0x23c
[  538.869227][T11742]  do_el0_svc+0x48/0x58
[  538.870471][T11742]  el0_svc+0x58/0x16c
[  538.871593][T11742]  el0t_64_sync_handler+0x84/0xfc
[  538.872921][T11742]  el0t_64_sync+0x190/0x194
[  538.878428][T11742] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.883672][T11742] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  538.886499][T11742] CPU: 1 PID: 11742 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  538.889404][T11742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  538.892141][T11742] Call trace:
[  538.892978][T11742]  dump_backtrace+0x1b8/0x1e4
[  538.894183][T11742]  show_stack+0x2c/0x44
[  538.895327][T11742]  dump_stack_lvl+0xd0/0x124
[  538.896576][T11742]  dump_stack+0x1c/0x28
[  538.897747][T11742]  sysfs_create_dir_ns+0x278/0x318
[  538.899070][T11742]  kobject_add_internal+0x514/0xadc
[  538.900462][T11742]  kobject_add+0x14c/0x224
[  538.901713][T11742]  device_add+0x3a0/0xaac
[  538.902911][T11742]  device_register+0x28/0x38
[  538.904162][T11742]  tty_register_device_attr+0x3a4/0x7d4
[  538.905724][T11742]  tty_register_device+0x3c/0x50
[  538.907038][T11742]  gsm_activate_mux+0xdc/0x268
[  538.908333][T11742]  gsmld_ioctl+0x16f0/0x2310
[  538.909586][T11742]  tty_ioctl+0x924/0xd8c
[  538.910707][T11742]  __arm64_sys_ioctl+0x14c/0x1c8
[  538.912106][T11742]  invoke_syscall+0x98/0x2b8
[  538.913397][T11742]  el0_svc_common+0x130/0x23c
[  538.914712][T11742]  do_el0_svc+0x48/0x58
[  538.915868][T11742]  el0_svc+0x58/0x16c
[  538.916958][T11742]  el0t_64_sync_handler+0x84/0xfc
[  538.918359][T11742]  el0t_64_sync+0x190/0x194
[  538.923595][T11742] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.265018][T11745] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  539.269291][T11745] CPU: 0 PID: 11745 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  539.272143][T11745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  539.274841][T11745] Call trace:
[  539.275704][T11745]  dump_backtrace+0x1b8/0x1e4
[  539.276970][T11745]  show_stack+0x2c/0x44
[  539.278099][T11745]  dump_stack_lvl+0xd0/0x124
[  539.279340][T11745]  dump_stack+0x1c/0x28
[  539.280465][T11745]  sysfs_create_dir_ns+0x278/0x318
[  539.281905][T11745]  kobject_add_internal+0x514/0xadc
[  539.283246][T11745]  kobject_add+0x14c/0x224
[  539.284397][T11745]  device_add+0x3a0/0xaac
[  539.285536][T11745]  device_register+0x28/0x38
[  539.286806][T11745]  tty_register_device_attr+0x3a4/0x7d4
[  539.288388][T11745]  tty_register_device+0x3c/0x50
[  539.289782][T11745]  gsm_activate_mux+0xdc/0x268
[  539.291070][T11745]  gsmld_ioctl+0x16f0/0x2310
[  539.292315][T11745]  tty_ioctl+0x924/0xd8c
[  539.293496][T11745]  __arm64_sys_ioctl+0x14c/0x1c8
[  539.294846][T11745]  invoke_syscall+0x98/0x2b8
[  539.296109][T11745]  el0_svc_common+0x130/0x23c
[  539.297346][T11745]  do_el0_svc+0x48/0x58
[  539.298479][T11745]  el0_svc+0x58/0x16c
[  539.299612][T11745]  el0t_64_sync_handler+0x84/0xfc
[  539.300982][T11745]  el0t_64_sync+0x190/0x194
[  539.304408][T11745] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.710287][T11747] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  539.712940][T11747] CPU: 0 PID: 11747 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  539.715813][T11747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  539.718557][T11747] Call trace:
[  539.719450][T11747]  dump_backtrace+0x1b8/0x1e4
[  539.720704][T11747]  show_stack+0x2c/0x44
[  539.721805][T11747]  dump_stack_lvl+0xd0/0x124
[  539.723069][T11747]  dump_stack+0x1c/0x28
[  539.724171][T11747]  sysfs_create_dir_ns+0x278/0x318
[  539.725522][T11747]  kobject_add_internal+0x514/0xadc
[  539.726907][T11747]  kobject_add+0x14c/0x224
[  539.728145][T11747]  device_add+0x3a0/0xaac
[  539.729315][T11747]  device_register+0x28/0x38
[  539.730540][T11747]  tty_register_device_attr+0x3a4/0x7d4
[  539.732080][T11747]  tty_register_device+0x3c/0x50
[  539.733428][T11747]  gsm_activate_mux+0xdc/0x268
[  539.734749][T11747]  gsmld_ioctl+0x16f0/0x2310
[  539.736027][T11747]  tty_ioctl+0x924/0xd8c
[  539.737213][T11747]  __arm64_sys_ioctl+0x14c/0x1c8
[  539.738579][T11747]  invoke_syscall+0x98/0x2b8
[  539.739857][T11747]  el0_svc_common+0x130/0x23c
[  539.741158][T11747]  do_el0_svc+0x48/0x58
[  539.742288][T11747]  el0_svc+0x58/0x16c
[  539.743399][T11747]  el0t_64_sync_handler+0x84/0xfc
[  539.744846][T11747]  el0t_64_sync+0x190/0x194
[  539.749839][T11747] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.000165][T11751] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  540.002660][T11751] CPU: 0 PID: 11751 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  540.005471][T11751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  540.008227][T11751] Call trace:
[  540.009121][T11751]  dump_backtrace+0x1b8/0x1e4
[  540.010420][T11751]  show_stack+0x2c/0x44
[  540.011531][T11751]  dump_stack_lvl+0xd0/0x124
[  540.012772][T11751]  dump_stack+0x1c/0x28
[  540.013861][T11751]  sysfs_create_dir_ns+0x278/0x318
[  540.015277][T11751]  kobject_add_internal+0x514/0xadc
[  540.016703][T11751]  kobject_add+0x14c/0x224
[  540.017955][T11751]  device_add+0x3a0/0xaac
[  540.019100][T11751]  device_register+0x28/0x38
[  540.020350][T11751]  tty_register_device_attr+0x3a4/0x7d4
[  540.021819][T11751]  tty_register_device+0x3c/0x50
[  540.023181][T11751]  gsm_activate_mux+0xdc/0x268
[  540.024460][T11751]  gsmld_ioctl+0x16f0/0x2310
[  540.025673][T11751]  tty_ioctl+0x924/0xd8c
[  540.026839][T11751]  __arm64_sys_ioctl+0x14c/0x1c8
[  540.028209][T11751]  invoke_syscall+0x98/0x2b8
[  540.029364][T11751]  el0_svc_common+0x130/0x23c
[  540.030590][T11751]  do_el0_svc+0x48/0x58
[  540.031710][T11751]  el0_svc+0x58/0x16c
[  540.032789][T11751]  el0t_64_sync_handler+0x84/0xfc
[  540.034158][T11751]  el0t_64_sync+0x190/0x194
[  540.043614][T11751] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.393178][T11754] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  540.395496][T11754] CPU: 1 PID: 11754 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  540.398396][T11754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  540.401136][T11754] Call trace:
[  540.402030][T11754]  dump_backtrace+0x1b8/0x1e4
[  540.403236][T11754]  show_stack+0x2c/0x44
[  540.404265][T11754]  dump_stack_lvl+0xd0/0x124
[  540.405484][T11754]  dump_stack+0x1c/0x28
[  540.406592][T11754]  sysfs_create_dir_ns+0x278/0x318
[  540.408005][T11754]  kobject_add_internal+0x514/0xadc
[  540.409381][T11754]  kobject_add+0x14c/0x224
[  540.410523][T11754]  device_add+0x3a0/0xaac
[  540.411704][T11754]  device_register+0x28/0x38
[  540.412969][T11754]  tty_register_device_attr+0x3a4/0x7d4
[  540.414513][T11754]  tty_register_device+0x3c/0x50
[  540.415931][T11754]  gsm_activate_mux+0xdc/0x268
[  540.417221][T11754]  gsmld_ioctl+0x16f0/0x2310
[  540.418454][T11754]  tty_ioctl+0x924/0xd8c
[  540.419549][T11754]  __arm64_sys_ioctl+0x14c/0x1c8
[  540.420909][T11754]  invoke_syscall+0x98/0x2b8
[  540.422178][T11754]  el0_svc_common+0x130/0x23c
[  540.423411][T11754]  do_el0_svc+0x48/0x58
[  540.424531][T11754]  el0_svc+0x58/0x16c
[  540.425604][T11754]  el0t_64_sync_handler+0x84/0xfc
[  540.426887][T11754]  el0t_64_sync+0x190/0x194
[  540.445786][T11754] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.675555][T11757] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  540.678861][T11757] CPU: 0 PID: 11757 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  540.681662][T11757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  540.684453][T11757] Call trace:
[  540.685346][T11757]  dump_backtrace+0x1b8/0x1e4
[  540.686625][T11757]  show_stack+0x2c/0x44
[  540.687760][T11757]  dump_stack_lvl+0xd0/0x124
[  540.689062][T11757]  dump_stack+0x1c/0x28
[  540.690226][T11757]  sysfs_create_dir_ns+0x278/0x318
[  540.691587][T11757]  kobject_add_internal+0x514/0xadc
[  540.692998][T11757]  kobject_add+0x14c/0x224
[  540.694214][T11757]  device_add+0x3a0/0xaac
[  540.695378][T11757]  device_register+0x28/0x38
[  540.696617][T11757]  tty_register_device_attr+0x3a4/0x7d4
[  540.698121][T11757]  tty_register_device+0x3c/0x50
[  540.699427][T11757]  gsm_activate_mux+0xdc/0x268
[  540.700773][T11757]  gsmld_ioctl+0x16f0/0x2310
[  540.702030][T11757]  tty_ioctl+0x924/0xd8c
[  540.703118][T11757]  __arm64_sys_ioctl+0x14c/0x1c8
[  540.704401][T11757]  invoke_syscall+0x98/0x2b8
[  540.705660][T11757]  el0_svc_common+0x130/0x23c
[  540.706874][T11757]  do_el0_svc+0x48/0x58
[  540.708004][T11757]  el0_svc+0x58/0x16c
[  540.709129][T11757]  el0t_64_sync_handler+0x84/0xfc
[  540.710379][T11757]  el0t_64_sync+0x190/0x194
[  540.711851][T11757] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.716948][T11757] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  540.719289][T11757] CPU: 0 PID: 11757 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  540.722059][T11757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  540.724695][T11757] Call trace:
[  540.725612][T11757]  dump_backtrace+0x1b8/0x1e4
[  540.726926][T11757]  show_stack+0x2c/0x44
[  540.728038][T11757]  dump_stack_lvl+0xd0/0x124
[  540.729322][T11757]  dump_stack+0x1c/0x28
[  540.730439][T11757]  sysfs_create_dir_ns+0x278/0x318
[  540.731865][T11757]  kobject_add_internal+0x514/0xadc
[  540.733300][T11757]  kobject_add+0x14c/0x224
[  540.734436][T11757]  device_add+0x3a0/0xaac
[  540.735629][T11757]  device_register+0x28/0x38
[  540.736852][T11757]  tty_register_device_attr+0x3a4/0x7d4
[  540.738295][T11757]  tty_register_device+0x3c/0x50
[  540.739685][T11757]  gsm_activate_mux+0xdc/0x268
[  540.740971][T11757]  gsmld_ioctl+0x16f0/0x2310
[  540.742148][T11757]  tty_ioctl+0x924/0xd8c
[  540.743289][T11757]  __arm64_sys_ioctl+0x14c/0x1c8
[  540.744588][T11757]  invoke_syscall+0x98/0x2b8
[  540.745736][T11757]  el0_svc_common+0x130/0x23c
[  540.746976][T11757]  do_el0_svc+0x48/0x58
[  540.748029][T11757]  el0_svc+0x58/0x16c
[  540.749087][T11757]  el0t_64_sync_handler+0x84/0xfc
[  540.750420][T11757]  el0t_64_sync+0x190/0x194
[  540.752322][T11757] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.940413][T11760] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  540.945317][T11760] CPU: 1 PID: 11760 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  540.948256][T11760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  540.951051][T11760] Call trace:
[  540.951952][T11760]  dump_backtrace+0x1b8/0x1e4
[  540.953283][T11760]  show_stack+0x2c/0x44
[  540.954414][T11760]  dump_stack_lvl+0xd0/0x124
[  540.955695][T11760]  dump_stack+0x1c/0x28
[  540.956775][T11760]  sysfs_create_dir_ns+0x278/0x318
[  540.958219][T11760]  kobject_add_internal+0x514/0xadc
[  540.959682][T11760]  kobject_add+0x14c/0x224
[  540.960908][T11760]  device_add+0x3a0/0xaac
[  540.962062][T11760]  device_register+0x28/0x38
[  540.963291][T11760]  tty_register_device_attr+0x3a4/0x7d4
[  540.964967][T11760]  tty_register_device+0x3c/0x50
[  540.966317][T11760]  gsm_activate_mux+0xdc/0x268
[  540.967750][T11760]  gsmld_ioctl+0x16f0/0x2310
[  540.968944][T11760]  tty_ioctl+0x924/0xd8c
[  540.970146][T11760]  __arm64_sys_ioctl+0x14c/0x1c8
[  540.971547][T11760]  invoke_syscall+0x98/0x2b8
[  540.972822][T11760]  el0_svc_common+0x130/0x23c
[  540.974072][T11760]  do_el0_svc+0x48/0x58
[  540.975160][T11760]  el0_svc+0x58/0x16c
[  540.976326][T11760]  el0t_64_sync_handler+0x84/0xfc
[  540.977682][T11760]  el0t_64_sync+0x190/0x194
[  540.986723][T11760] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.176385][T11763] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  541.178708][T11763] CPU: 1 PID: 11763 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  541.181519][T11763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  541.184314][T11763] Call trace:
[  541.185208][T11763]  dump_backtrace+0x1b8/0x1e4
[  541.186522][T11763]  show_stack+0x2c/0x44
[  541.187682][T11763]  dump_stack_lvl+0xd0/0x124
[  541.188924][T11763]  dump_stack+0x1c/0x28
[  541.190046][T11763]  sysfs_create_dir_ns+0x278/0x318
[  541.191363][T11763]  kobject_add_internal+0x514/0xadc
[  541.192764][T11763]  kobject_add+0x14c/0x224
[  541.194100][T11763]  device_add+0x3a0/0xaac
[  541.195315][T11763]  device_register+0x28/0x38
[  541.196606][T11763]  tty_register_device_attr+0x3a4/0x7d4
[  541.198095][T11763]  tty_register_device+0x3c/0x50
[  541.199444][T11763]  gsm_activate_mux+0xdc/0x268
[  541.200698][T11763]  gsmld_ioctl+0x16f0/0x2310
[  541.201931][T11763]  tty_ioctl+0x924/0xd8c
[  541.203094][T11763]  __arm64_sys_ioctl+0x14c/0x1c8
[  541.204425][T11763]  invoke_syscall+0x98/0x2b8
[  541.205694][T11763]  el0_svc_common+0x130/0x23c
[  541.206976][T11763]  do_el0_svc+0x48/0x58
[  541.208092][T11763]  el0_svc+0x58/0x16c
[  541.209223][T11763]  el0t_64_sync_handler+0x84/0xfc
[  541.210623][T11763]  el0t_64_sync+0x190/0x194
[  541.223866][T11763] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.417383][T11766] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  541.423105][T11766] CPU: 1 PID: 11766 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  541.425999][T11766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  541.428730][T11766] Call trace:
[  541.429633][T11766]  dump_backtrace+0x1b8/0x1e4
[  541.430924][T11766]  show_stack+0x2c/0x44
[  541.432094][T11766]  dump_stack_lvl+0xd0/0x124
[  541.433362][T11766]  dump_stack+0x1c/0x28
[  541.434488][T11766]  sysfs_create_dir_ns+0x278/0x318
[  541.435871][T11766]  kobject_add_internal+0x514/0xadc
[  541.437249][T11766]  kobject_add+0x14c/0x224
[  541.438437][T11766]  device_add+0x3a0/0xaac
[  541.439679][T11766]  device_register+0x28/0x38
[  541.440885][T11766]  tty_register_device_attr+0x3a4/0x7d4
[  541.442343][T11766]  tty_register_device+0x3c/0x50
[  541.443620][T11766]  gsm_activate_mux+0xdc/0x268
[  541.444912][T11766]  gsmld_ioctl+0x16f0/0x2310
[  541.446146][T11766]  tty_ioctl+0x924/0xd8c
[  541.447295][T11766]  __arm64_sys_ioctl+0x14c/0x1c8
[  541.448579][T11766]  invoke_syscall+0x98/0x2b8
[  541.449816][T11766]  el0_svc_common+0x130/0x23c
[  541.451070][T11766]  do_el0_svc+0x48/0x58
[  541.452223][T11766]  el0_svc+0x58/0x16c
[  541.453260][T11766]  el0t_64_sync_handler+0x84/0xfc
[  541.454641][T11766]  el0t_64_sync+0x190/0x194
[  541.462590][T11766] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.652135][T11769] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  541.657638][T11769] CPU: 0 PID: 11769 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  541.660394][T11769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  541.663046][T11769] Call trace:
[  541.663871][T11769]  dump_backtrace+0x1b8/0x1e4
[  541.665091][T11769]  show_stack+0x2c/0x44
[  541.666187][T11769]  dump_stack_lvl+0xd0/0x124
[  541.667443][T11769]  dump_stack+0x1c/0x28
[  541.668524][T11769]  sysfs_create_dir_ns+0x278/0x318
[  541.669982][T11769]  kobject_add_internal+0x514/0xadc
[  541.671471][T11769]  kobject_add+0x14c/0x224
[  541.672706][T11769]  device_add+0x3a0/0xaac
[  541.673850][T11769]  device_register+0x28/0x38
[  541.675065][T11769]  tty_register_device_attr+0x3a4/0x7d4
[  541.676579][T11769]  tty_register_device+0x3c/0x50
[  541.677909][T11769]  gsm_activate_mux+0xdc/0x268
[  541.679149][T11769]  gsmld_ioctl+0x16f0/0x2310
[  541.680369][T11769]  tty_ioctl+0x924/0xd8c
[  541.681528][T11769]  __arm64_sys_ioctl+0x14c/0x1c8
[  541.682840][T11769]  invoke_syscall+0x98/0x2b8
[  541.684095][T11769]  el0_svc_common+0x130/0x23c
[  541.685335][T11769]  do_el0_svc+0x48/0x58
[  541.686429][T11769]  el0_svc+0x58/0x16c
[  541.687503][T11769]  el0t_64_sync_handler+0x84/0xfc
[  541.688801][T11769]  el0t_64_sync+0x190/0x194
[  541.691746][T11769] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.036296][T11772] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  542.039145][T11772] CPU: 0 PID: 11772 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  542.042078][T11772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  542.044896][T11772] Call trace:
[  542.045818][T11772]  dump_backtrace+0x1b8/0x1e4
[  542.047060][T11772]  show_stack+0x2c/0x44
[  542.048191][T11772]  dump_stack_lvl+0xd0/0x124
[  542.049408][T11772]  dump_stack+0x1c/0x28
[  542.050540][T11772]  sysfs_create_dir_ns+0x278/0x318
[  542.051948][T11772]  kobject_add_internal+0x514/0xadc
[  542.053404][T11772]  kobject_add+0x14c/0x224
[  542.054674][T11772]  device_add+0x3a0/0xaac
[  542.055827][T11772]  device_register+0x28/0x38
[  542.057075][T11772]  tty_register_device_attr+0x3a4/0x7d4
[  542.058547][T11772]  tty_register_device+0x3c/0x50
[  542.059937][T11772]  gsm_activate_mux+0xdc/0x268
[  542.061245][T11772]  gsmld_ioctl+0x16f0/0x2310
[  542.062529][T11772]  tty_ioctl+0x924/0xd8c
[  542.063691][T11772]  __arm64_sys_ioctl+0x14c/0x1c8
[  542.065057][T11772]  invoke_syscall+0x98/0x2b8
[  542.066327][T11772]  el0_svc_common+0x130/0x23c
[  542.067560][T11772]  do_el0_svc+0x48/0x58
[  542.068746][T11772]  el0_svc+0x58/0x16c
[  542.069845][T11772]  el0t_64_sync_handler+0x84/0xfc
[  542.071156][T11772]  el0t_64_sync+0x190/0x194
[  542.080168][T11772] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.350403][T11775] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  542.354525][T11775] CPU: 0 PID: 11775 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  542.357354][T11775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  542.360122][T11775] Call trace:
[  542.361058][T11775]  dump_backtrace+0x1b8/0x1e4
[  542.362356][T11775]  show_stack+0x2c/0x44
[  542.363499][T11775]  dump_stack_lvl+0xd0/0x124
[  542.364787][T11775]  dump_stack+0x1c/0x28
[  542.365866][T11775]  sysfs_create_dir_ns+0x278/0x318
[  542.367160][T11775]  kobject_add_internal+0x514/0xadc
[  542.368608][T11775]  kobject_add+0x14c/0x224
[  542.369785][T11775]  device_add+0x3a0/0xaac
[  542.370931][T11775]  device_register+0x28/0x38
[  542.372194][T11775]  tty_register_device_attr+0x3a4/0x7d4
[  542.373770][T11775]  tty_register_device+0x3c/0x50
[  542.375164][T11775]  gsm_activate_mux+0xdc/0x268
[  542.376448][T11775]  gsmld_ioctl+0x16f0/0x2310
[  542.377744][T11775]  tty_ioctl+0x924/0xd8c
[  542.378940][T11775]  __arm64_sys_ioctl+0x14c/0x1c8
[  542.380260][T11775]  invoke_syscall+0x98/0x2b8
[  542.381549][T11775]  el0_svc_common+0x130/0x23c
[  542.382807][T11775]  do_el0_svc+0x48/0x58
[  542.383913][T11775]  el0_svc+0x58/0x16c
[  542.385003][T11775]  el0t_64_sync_handler+0x84/0xfc
[  542.386372][T11775]  el0t_64_sync+0x190/0x194
[  542.391426][T11775] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.739812][T11778] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  542.742126][T11778] CPU: 0 PID: 11778 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  542.744890][T11778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  542.747612][T11778] Call trace:
[  542.748484][T11778]  dump_backtrace+0x1b8/0x1e4
[  542.749826][T11778]  show_stack+0x2c/0x44
[  542.750955][T11778]  dump_stack_lvl+0xd0/0x124
[  542.752252][T11778]  dump_stack+0x1c/0x28
[  542.753375][T11778]  sysfs_create_dir_ns+0x278/0x318
[  542.754771][T11778]  kobject_add_internal+0x514/0xadc
[  542.756161][T11778]  kobject_add+0x14c/0x224
[  542.757336][T11778]  device_add+0x3a0/0xaac
[  542.758501][T11778]  device_register+0x28/0x38
[  542.759775][T11778]  tty_register_device_attr+0x3a4/0x7d4
[  542.761193][T11778]  tty_register_device+0x3c/0x50
[  542.762523][T11778]  gsm_activate_mux+0xdc/0x268
[  542.763826][T11778]  gsmld_ioctl+0x16f0/0x2310
[  542.765187][T11778]  tty_ioctl+0x924/0xd8c
[  542.766352][T11778]  __arm64_sys_ioctl+0x14c/0x1c8
[  542.767668][T11778]  invoke_syscall+0x98/0x2b8
[  542.768936][T11778]  el0_svc_common+0x130/0x23c
[  542.770223][T11778]  do_el0_svc+0x48/0x58
[  542.771404][T11778]  el0_svc+0x58/0x16c
[  542.772532][T11778]  el0t_64_sync_handler+0x84/0xfc
[  542.773910][T11778]  el0t_64_sync+0x190/0x194
[  542.778637][T11778] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.038808][T11781] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  543.044460][T11781] CPU: 1 PID: 11781 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  543.047239][T11781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  543.050063][T11781] Call trace:
[  543.050952][T11781]  dump_backtrace+0x1b8/0x1e4
[  543.052256][T11781]  show_stack+0x2c/0x44
[  543.053393][T11781]  dump_stack_lvl+0xd0/0x124
[  543.054610][T11781]  dump_stack+0x1c/0x28
[  543.055674][T11781]  sysfs_create_dir_ns+0x278/0x318
[  543.056987][T11781]  kobject_add_internal+0x514/0xadc
[  543.058411][T11781]  kobject_add+0x14c/0x224
[  543.059646][T11781]  device_add+0x3a0/0xaac
[  543.060804][T11781]  device_register+0x28/0x38
[  543.062046][T11781]  tty_register_device_attr+0x3a4/0x7d4
[  543.063632][T11781]  tty_register_device+0x3c/0x50
[  543.065003][T11781]  gsm_activate_mux+0xdc/0x268
[  543.066288][T11781]  gsmld_ioctl+0x16f0/0x2310
[  543.067553][T11781]  tty_ioctl+0x924/0xd8c
[  543.068759][T11781]  __arm64_sys_ioctl+0x14c/0x1c8
[  543.070133][T11781]  invoke_syscall+0x98/0x2b8
[  543.071390][T11781]  el0_svc_common+0x130/0x23c
[  543.072695][T11781]  do_el0_svc+0x48/0x58
[  543.073786][T11781]  el0_svc+0x58/0x16c
[  543.074849][T11781]  el0t_64_sync_handler+0x84/0xfc
[  543.076188][T11781]  el0t_64_sync+0x190/0x194
[  543.085720][T11781] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.277968][T11784] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  543.283382][T11784] CPU: 1 PID: 11784 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  543.286244][T11784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  543.289004][T11784] Call trace:
[  543.289898][T11784]  dump_backtrace+0x1b8/0x1e4
[  543.291175][T11784]  show_stack+0x2c/0x44
[  543.292325][T11784]  dump_stack_lvl+0xd0/0x124
[  543.293549][T11784]  dump_stack+0x1c/0x28
[  543.294641][T11784]  sysfs_create_dir_ns+0x278/0x318
[  543.296049][T11784]  kobject_add_internal+0x514/0xadc
[  543.297400][T11784]  kobject_add+0x14c/0x224
[  543.298638][T11784]  device_add+0x3a0/0xaac
[  543.299772][T11784]  device_register+0x28/0x38
[  543.301001][T11784]  tty_register_device_attr+0x3a4/0x7d4
[  543.302531][T11784]  tty_register_device+0x3c/0x50
[  543.303903][T11784]  gsm_activate_mux+0xdc/0x268
[  543.305185][T11784]  gsmld_ioctl+0x16f0/0x2310
[  543.306427][T11784]  tty_ioctl+0x924/0xd8c
[  543.307583][T11784]  __arm64_sys_ioctl+0x14c/0x1c8
[  543.308873][T11784]  invoke_syscall+0x98/0x2b8
[  543.310081][T11784]  el0_svc_common+0x130/0x23c
[  543.311327][T11784]  do_el0_svc+0x48/0x58
[  543.312451][T11784]  el0_svc+0x58/0x16c
[  543.313512][T11784]  el0t_64_sync_handler+0x84/0xfc
[  543.314891][T11784]  el0t_64_sync+0x190/0x194
[  543.322439][T11784] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.503790][T11787] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  543.506370][T11787] CPU: 1 PID: 11787 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  543.509130][T11787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  543.511834][T11787] Call trace:
[  543.512670][T11787]  dump_backtrace+0x1b8/0x1e4
[  543.513945][T11787]  show_stack+0x2c/0x44
[  543.515050][T11787]  dump_stack_lvl+0xd0/0x124
[  543.516313][T11787]  dump_stack+0x1c/0x28
[  543.517474][T11787]  sysfs_create_dir_ns+0x278/0x318
[  543.518830][T11787]  kobject_add_internal+0x514/0xadc
[  543.520236][T11787]  kobject_add+0x14c/0x224
[  543.521461][T11787]  device_add+0x3a0/0xaac
[  543.522640][T11787]  device_register+0x28/0x38
[  543.523900][T11787]  tty_register_device_attr+0x3a4/0x7d4
[  543.525394][T11787]  tty_register_device+0x3c/0x50
[  543.526788][T11787]  gsm_activate_mux+0xdc/0x268
[  543.528060][T11787]  gsmld_ioctl+0x16f0/0x2310
[  543.529287][T11787]  tty_ioctl+0x924/0xd8c
[  543.530475][T11787]  __arm64_sys_ioctl+0x14c/0x1c8
[  543.531827][T11787]  invoke_syscall+0x98/0x2b8
[  543.533094][T11787]  el0_svc_common+0x130/0x23c
[  543.534328][T11787]  do_el0_svc+0x48/0x58
[  543.535463][T11787]  el0_svc+0x58/0x16c
[  543.536523][T11787]  el0t_64_sync_handler+0x84/0xfc
[  543.537833][T11787]  el0t_64_sync+0x190/0x194
[  543.545557][T11787] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.741874][T11790] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  543.746196][T11790] CPU: 0 PID: 11790 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  543.749052][T11790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  543.751734][T11790] Call trace:
[  543.752616][T11790]  dump_backtrace+0x1b8/0x1e4
[  543.753867][T11790]  show_stack+0x2c/0x44
[  543.755011][T11790]  dump_stack_lvl+0xd0/0x124
[  543.756293][T11790]  dump_stack+0x1c/0x28
[  543.757372][T11790]  sysfs_create_dir_ns+0x278/0x318
[  543.758734][T11790]  kobject_add_internal+0x514/0xadc
[  543.760149][T11790]  kobject_add+0x14c/0x224
[  543.761372][T11790]  device_add+0x3a0/0xaac
[  543.762505][T11790]  device_register+0x28/0x38
[  543.763734][T11790]  tty_register_device_attr+0x3a4/0x7d4
[  543.765266][T11790]  tty_register_device+0x3c/0x50
[  543.766590][T11790]  gsm_activate_mux+0xdc/0x268
[  543.767835][T11790]  gsmld_ioctl+0x16f0/0x2310
[  543.769041][T11790]  tty_ioctl+0x924/0xd8c
[  543.770159][T11790]  __arm64_sys_ioctl+0x14c/0x1c8
[  543.771483][T11790]  invoke_syscall+0x98/0x2b8
[  543.772762][T11790]  el0_svc_common+0x130/0x23c
[  543.774042][T11790]  do_el0_svc+0x48/0x58
[  543.775097][T11790]  el0_svc+0x58/0x16c
[  543.776167][T11790]  el0t_64_sync_handler+0x84/0xfc
[  543.777595][T11790]  el0t_64_sync+0x190/0x194
[  543.781160][T11790] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.786213][T11790] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  543.788617][T11790] CPU: 0 PID: 11790 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  543.791448][T11790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  543.794126][T11790] Call trace:
[  543.795025][T11790]  dump_backtrace+0x1b8/0x1e4
[  543.796315][T11790]  show_stack+0x2c/0x44
[  543.797413][T11790]  dump_stack_lvl+0xd0/0x124
[  543.798633][T11790]  dump_stack+0x1c/0x28
[  543.799752][T11790]  sysfs_create_dir_ns+0x278/0x318
[  543.801168][T11790]  kobject_add_internal+0x514/0xadc
[  543.802640][T11790]  kobject_add+0x14c/0x224
[  543.803796][T11790]  device_add+0x3a0/0xaac
[  543.805013][T11790]  device_register+0x28/0x38
[  543.806251][T11790]  tty_register_device_attr+0x3a4/0x7d4
[  543.807772][T11790]  tty_register_device+0x3c/0x50
[  543.809098][T11790]  gsm_activate_mux+0xdc/0x268
[  543.810408][T11790]  gsmld_ioctl+0x16f0/0x2310
[  543.811681][T11790]  tty_ioctl+0x924/0xd8c
[  543.812942][T11790]  __arm64_sys_ioctl+0x14c/0x1c8
[  543.814332][T11790]  invoke_syscall+0x98/0x2b8
[  543.815619][T11790]  el0_svc_common+0x130/0x23c
[  543.816890][T11790]  do_el0_svc+0x48/0x58
[  543.818061][T11790]  el0_svc+0x58/0x16c
[  543.819157][T11790]  el0t_64_sync_handler+0x84/0xfc
[  543.820548][T11790]  el0t_64_sync+0x190/0x194
[  543.826380][T11790] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.169687][T11793] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  544.173339][T11793] CPU: 0 PID: 11793 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  544.176238][T11793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  544.179005][T11793] Call trace:
[  544.179857][T11793]  dump_backtrace+0x1b8/0x1e4
[  544.181098][T11793]  show_stack+0x2c/0x44
[  544.182272][T11793]  dump_stack_lvl+0xd0/0x124
[  544.183479][T11793]  dump_stack+0x1c/0x28
[  544.184517][T11793]  sysfs_create_dir_ns+0x278/0x318
[  544.185864][T11793]  kobject_add_internal+0x514/0xadc
[  544.187267][T11793]  kobject_add+0x14c/0x224
[  544.188489][T11793]  device_add+0x3a0/0xaac
[  544.189701][T11793]  device_register+0x28/0x38
[  544.190982][T11793]  tty_register_device_attr+0x3a4/0x7d4
[  544.192600][T11793]  tty_register_device+0x3c/0x50
[  544.193926][T11793]  gsm_activate_mux+0xdc/0x268
[  544.195221][T11793]  gsmld_ioctl+0x16f0/0x2310
[  544.196473][T11793]  tty_ioctl+0x924/0xd8c
[  544.197665][T11793]  __arm64_sys_ioctl+0x14c/0x1c8
[  544.199012][T11793]  invoke_syscall+0x98/0x2b8
[  544.200246][T11793]  el0_svc_common+0x130/0x23c
[  544.201484][T11793]  do_el0_svc+0x48/0x58
[  544.202655][T11793]  el0_svc+0x58/0x16c
[  544.203725][T11793]  el0t_64_sync_handler+0x84/0xfc
[  544.205108][T11793]  el0t_64_sync+0x190/0x194
[  544.209126][T11793] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.480111][T11796] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  544.484316][T11796] CPU: 1 PID: 11796 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  544.487109][T11796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  544.489842][T11796] Call trace:
[  544.490696][T11796]  dump_backtrace+0x1b8/0x1e4
[  544.491974][T11796]  show_stack+0x2c/0x44
[  544.493103][T11796]  dump_stack_lvl+0xd0/0x124
[  544.494336][T11796]  dump_stack+0x1c/0x28
[  544.495530][T11796]  sysfs_create_dir_ns+0x278/0x318
[  544.496895][T11796]  kobject_add_internal+0x514/0xadc
[  544.498314][T11796]  kobject_add+0x14c/0x224
[  544.499561][T11796]  device_add+0x3a0/0xaac
[  544.500798][T11796]  device_register+0x28/0x38
[  544.502023][T11796]  tty_register_device_attr+0x3a4/0x7d4
[  544.503511][T11796]  tty_register_device+0x3c/0x50
[  544.504837][T11796]  gsm_activate_mux+0xdc/0x268
[  544.506149][T11796]  gsmld_ioctl+0x16f0/0x2310
[  544.507436][T11796]  tty_ioctl+0x924/0xd8c
[  544.508638][T11796]  __arm64_sys_ioctl+0x14c/0x1c8
[  544.510000][T11796]  invoke_syscall+0x98/0x2b8
[  544.511214][T11796]  el0_svc_common+0x130/0x23c
[  544.512443][T11796]  do_el0_svc+0x48/0x58
[  544.513595][T11796]  el0_svc+0x58/0x16c
[  544.514642][T11796]  el0t_64_sync_handler+0x84/0xfc
[  544.515997][T11796]  el0t_64_sync+0x190/0x194
[  544.520385][T11796] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.525200][T11796] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  544.527809][T11796] CPU: 1 PID: 11796 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  544.530702][T11796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  544.533343][T11796] Call trace:
[  544.534234][T11796]  dump_backtrace+0x1b8/0x1e4
[  544.535463][T11796]  show_stack+0x2c/0x44
[  544.536582][T11796]  dump_stack_lvl+0xd0/0x124
[  544.537798][T11796]  dump_stack+0x1c/0x28
[  544.538972][T11796]  sysfs_create_dir_ns+0x278/0x318
[  544.540377][T11796]  kobject_add_internal+0x514/0xadc
[  544.541789][T11796]  kobject_add+0x14c/0x224
[  544.542976][T11796]  device_add+0x3a0/0xaac
[  544.544156][T11796]  device_register+0x28/0x38
[  544.545457][T11796]  tty_register_device_attr+0x3a4/0x7d4
[  544.547018][T11796]  tty_register_device+0x3c/0x50
[  544.548438][T11796]  gsm_activate_mux+0xdc/0x268
[  544.549758][T11796]  gsmld_ioctl+0x16f0/0x2310
[  544.551044][T11796]  tty_ioctl+0x924/0xd8c
[  544.552193][T11796]  __arm64_sys_ioctl+0x14c/0x1c8
[  544.553464][T11796]  invoke_syscall+0x98/0x2b8
[  544.554738][T11796]  el0_svc_common+0x130/0x23c
[  544.555970][T11796]  do_el0_svc+0x48/0x58
[  544.557113][T11796]  el0_svc+0x58/0x16c
[  544.558141][T11796]  el0t_64_sync_handler+0x84/0xfc
[  544.559501][T11796]  el0t_64_sync+0x190/0x194
[  544.563421][T11796] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.730989][T11799] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  544.733160][T11799] CPU: 0 PID: 11799 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  544.735924][T11799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  544.738729][T11799] Call trace:
[  544.739627][T11799]  dump_backtrace+0x1b8/0x1e4
[  544.740816][T11799]  show_stack+0x2c/0x44
[  544.741966][T11799]  dump_stack_lvl+0xd0/0x124
[  544.743169][T11799]  dump_stack+0x1c/0x28
[  544.744263][T11799]  sysfs_create_dir_ns+0x278/0x318
[  544.745548][T11799]  kobject_add_internal+0x514/0xadc
[  544.746936][T11799]  kobject_add+0x14c/0x224
[  544.748114][T11799]  device_add+0x3a0/0xaac
[  544.749327][T11799]  device_register+0x28/0x38
[  544.750550][T11799]  tty_register_device_attr+0x3a4/0x7d4
[  544.752053][T11799]  tty_register_device+0x3c/0x50
[  544.753360][T11799]  gsm_activate_mux+0xdc/0x268
[  544.754667][T11799]  gsmld_ioctl+0x16f0/0x2310
[  544.755962][T11799]  tty_ioctl+0x924/0xd8c
[  544.757074][T11799]  __arm64_sys_ioctl+0x14c/0x1c8
[  544.758506][T11799]  invoke_syscall+0x98/0x2b8
[  544.759854][T11799]  el0_svc_common+0x130/0x23c
[  544.761216][T11799]  do_el0_svc+0x48/0x58
[  544.762340][T11799]  el0_svc+0x58/0x16c
[  544.763414][T11799]  el0t_64_sync_handler+0x84/0xfc
[  544.764747][T11799]  el0t_64_sync+0x190/0x194
[  544.772594][T11799] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.969631][T11802] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  544.972114][T11802] CPU: 1 PID: 11802 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  544.974953][T11802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  544.977722][T11802] Call trace:
[  544.978608][T11802]  dump_backtrace+0x1b8/0x1e4
[  544.979873][T11802]  show_stack+0x2c/0x44
[  544.981041][T11802]  dump_stack_lvl+0xd0/0x124
[  544.982325][T11802]  dump_stack+0x1c/0x28
[  544.983456][T11802]  sysfs_create_dir_ns+0x278/0x318
[  544.984817][T11802]  kobject_add_internal+0x514/0xadc
[  544.986254][T11802]  kobject_add+0x14c/0x224
[  544.987464][T11802]  device_add+0x3a0/0xaac
[  544.988679][T11802]  device_register+0x28/0x38
[  544.990017][T11802]  tty_register_device_attr+0x3a4/0x7d4
[  544.991551][T11802]  tty_register_device+0x3c/0x50
[  544.992916][T11802]  gsm_activate_mux+0xdc/0x268
[  544.994235][T11802]  gsmld_ioctl+0x16f0/0x2310
[  544.995513][T11802]  tty_ioctl+0x924/0xd8c
[  544.996692][T11802]  __arm64_sys_ioctl+0x14c/0x1c8
[  544.998089][T11802]  invoke_syscall+0x98/0x2b8
[  544.999329][T11802]  el0_svc_common+0x130/0x23c
[  545.000560][T11802]  do_el0_svc+0x48/0x58
[  545.001744][T11802]  el0_svc+0x58/0x16c
[  545.002821][T11802]  el0t_64_sync_handler+0x84/0xfc
[  545.004233][T11802]  el0t_64_sync+0x190/0x194
[  545.011124][T11802] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.365792][T11805] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  545.368146][T11805] CPU: 0 PID: 11805 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  545.370922][T11805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  545.373498][T11805] Call trace:
[  545.374382][T11805]  dump_backtrace+0x1b8/0x1e4
[  545.375527][T11805]  show_stack+0x2c/0x44
[  545.376654][T11805]  dump_stack_lvl+0xd0/0x124
[  545.377948][T11805]  dump_stack+0x1c/0x28
[  545.379096][T11805]  sysfs_create_dir_ns+0x278/0x318
[  545.380443][T11805]  kobject_add_internal+0x514/0xadc
[  545.381845][T11805]  kobject_add+0x14c/0x224
[  545.383082][T11805]  device_add+0x3a0/0xaac
[  545.384281][T11805]  device_register+0x28/0x38
[  545.385528][T11805]  tty_register_device_attr+0x3a4/0x7d4
[  545.387105][T11805]  tty_register_device+0x3c/0x50
[  545.388428][T11805]  gsm_activate_mux+0xdc/0x268
[  545.389718][T11805]  gsmld_ioctl+0x16f0/0x2310
[  545.390936][T11805]  tty_ioctl+0x924/0xd8c
[  545.392107][T11805]  __arm64_sys_ioctl+0x14c/0x1c8
[  545.393425][T11805]  invoke_syscall+0x98/0x2b8
[  545.394672][T11805]  el0_svc_common+0x130/0x23c
[  545.395939][T11805]  do_el0_svc+0x48/0x58
[  545.397053][T11805]  el0_svc+0x58/0x16c
[  545.398141][T11805]  el0t_64_sync_handler+0x84/0xfc
[  545.399498][T11805]  el0t_64_sync+0x190/0x194
[  545.403914][T11805] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.822020][T11808] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  545.824332][T11808] CPU: 1 PID: 11808 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  545.827181][T11808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  545.829926][T11808] Call trace:
[  545.830821][T11808]  dump_backtrace+0x1b8/0x1e4
[  545.832198][T11808]  show_stack+0x2c/0x44
[  545.833329][T11808]  dump_stack_lvl+0xd0/0x124
[  545.834551][T11808]  dump_stack+0x1c/0x28
[  545.835691][T11808]  sysfs_create_dir_ns+0x278/0x318
[  545.837106][T11808]  kobject_add_internal+0x514/0xadc
[  545.838461][T11808]  kobject_add+0x14c/0x224
[  545.839652][T11808]  device_add+0x3a0/0xaac
[  545.840802][T11808]  device_register+0x28/0x38
[  545.842015][T11808]  tty_register_device_attr+0x3a4/0x7d4
[  545.843495][T11808]  tty_register_device+0x3c/0x50
[  545.844818][T11808]  gsm_activate_mux+0xdc/0x268
[  545.846128][T11808]  gsmld_ioctl+0x16f0/0x2310
[  545.847379][T11808]  tty_ioctl+0x924/0xd8c
[  545.848531][T11808]  __arm64_sys_ioctl+0x14c/0x1c8
[  545.849837][T11808]  invoke_syscall+0x98/0x2b8
[  545.851108][T11808]  el0_svc_common+0x130/0x23c
[  545.852421][T11808]  do_el0_svc+0x48/0x58
[  545.853507][T11808]  el0_svc+0x58/0x16c
[  545.854615][T11808]  el0t_64_sync_handler+0x84/0xfc
[  545.855951][T11808]  el0t_64_sync+0x190/0x194
[  545.877226][T11808] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.110603][T11811] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.114079][T11811] CPU: 0 PID: 11811 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  546.116958][T11811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  546.119784][T11811] Call trace:
[  546.120746][T11811]  dump_backtrace+0x1b8/0x1e4
[  546.122042][T11811]  show_stack+0x2c/0x44
[  546.123218][T11811]  dump_stack_lvl+0xd0/0x124
[  546.124478][T11811]  dump_stack+0x1c/0x28
[  546.125646][T11811]  sysfs_create_dir_ns+0x278/0x318
[  546.126970][T11811]  kobject_add_internal+0x514/0xadc
[  546.128363][T11811]  kobject_add+0x14c/0x224
[  546.129510][T11811]  device_add+0x3a0/0xaac
[  546.130724][T11811]  device_register+0x28/0x38
[  546.131983][T11811]  tty_register_device_attr+0x3a4/0x7d4
[  546.133591][T11811]  tty_register_device+0x3c/0x50
[  546.134900][T11811]  gsm_activate_mux+0xdc/0x268
[  546.136137][T11811]  gsmld_ioctl+0x16f0/0x2310
[  546.137314][T11811]  tty_ioctl+0x924/0xd8c
[  546.138490][T11811]  __arm64_sys_ioctl+0x14c/0x1c8
[  546.139848][T11811]  invoke_syscall+0x98/0x2b8
[  546.141051][T11811]  el0_svc_common+0x130/0x23c
[  546.142269][T11811]  do_el0_svc+0x48/0x58
[  546.143386][T11811]  el0_svc+0x58/0x16c
[  546.144423][T11811]  el0t_64_sync_handler+0x84/0xfc
[  546.145813][T11811]  el0t_64_sync+0x190/0x194
[  546.147360][T11811] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.151846][T11811] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.154328][T11811] CPU: 0 PID: 11811 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  546.157279][T11811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  546.159989][T11811] Call trace:
[  546.160903][T11811]  dump_backtrace+0x1b8/0x1e4
[  546.162097][T11811]  show_stack+0x2c/0x44
[  546.163190][T11811]  dump_stack_lvl+0xd0/0x124
[  546.164420][T11811]  dump_stack+0x1c/0x28
[  546.165528][T11811]  sysfs_create_dir_ns+0x278/0x318
[  546.166943][T11811]  kobject_add_internal+0x514/0xadc
[  546.168340][T11811]  kobject_add+0x14c/0x224
[  546.169521][T11811]  device_add+0x3a0/0xaac
[  546.170680][T11811]  device_register+0x28/0x38
[  546.171933][T11811]  tty_register_device_attr+0x3a4/0x7d4
[  546.173495][T11811]  tty_register_device+0x3c/0x50
[  546.174837][T11811]  gsm_activate_mux+0xdc/0x268
[  546.176109][T11811]  gsmld_ioctl+0x16f0/0x2310
[  546.177355][T11811]  tty_ioctl+0x924/0xd8c
[  546.178538][T11811]  __arm64_sys_ioctl+0x14c/0x1c8
[  546.179869][T11811]  invoke_syscall+0x98/0x2b8
[  546.181167][T11811]  el0_svc_common+0x130/0x23c
[  546.182437][T11811]  do_el0_svc+0x48/0x58
[  546.183603][T11811]  el0_svc+0x58/0x16c
[  546.184691][T11811]  el0t_64_sync_handler+0x84/0xfc
[  546.186050][T11811]  el0t_64_sync+0x190/0x194
[  546.189918][T11811] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.368811][T11814] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.371054][T11814] CPU: 0 PID: 11814 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  546.373865][T11814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  546.376669][T11814] Call trace:
[  546.377559][T11814]  dump_backtrace+0x1b8/0x1e4
[  546.378896][T11814]  show_stack+0x2c/0x44
[  546.380068][T11814]  dump_stack_lvl+0xd0/0x124
[  546.381344][T11814]  dump_stack+0x1c/0x28
[  546.382535][T11814]  sysfs_create_dir_ns+0x278/0x318
[  546.383947][T11814]  kobject_add_internal+0x514/0xadc
[  546.385385][T11814]  kobject_add+0x14c/0x224
[  546.386506][T11814]  device_add+0x3a0/0xaac
[  546.387675][T11814]  device_register+0x28/0x38
[  546.388857][T11814]  tty_register_device_attr+0x3a4/0x7d4
[  546.390396][T11814]  tty_register_device+0x3c/0x50
[  546.391732][T11814]  gsm_activate_mux+0xdc/0x268
[  546.393020][T11814]  gsmld_ioctl+0x16f0/0x2310
[  546.394210][T11814]  tty_ioctl+0x924/0xd8c
[  546.395325][T11814]  __arm64_sys_ioctl+0x14c/0x1c8
[  546.396728][T11814]  invoke_syscall+0x98/0x2b8
[  546.397975][T11814]  el0_svc_common+0x130/0x23c
[  546.399278][T11814]  do_el0_svc+0x48/0x58
[  546.400406][T11814]  el0_svc+0x58/0x16c
[  546.401429][T11814]  el0t_64_sync_handler+0x84/0xfc
[  546.402770][T11814]  el0t_64_sync+0x190/0x194
[  546.408161][T11814] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.602426][T11817] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.604771][T11817] CPU: 1 PID: 11817 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  546.607563][T11817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  546.610280][T11817] Call trace:
[  546.611169][T11817]  dump_backtrace+0x1b8/0x1e4
[  546.612504][T11817]  show_stack+0x2c/0x44
[  546.613672][T11817]  dump_stack_lvl+0xd0/0x124
[  546.614930][T11817]  dump_stack+0x1c/0x28
[  546.616072][T11817]  sysfs_create_dir_ns+0x278/0x318
[  546.617507][T11817]  kobject_add_internal+0x514/0xadc
[  546.618896][T11817]  kobject_add+0x14c/0x224
[  546.620096][T11817]  device_add+0x3a0/0xaac
[  546.621275][T11817]  device_register+0x28/0x38
[  546.622542][T11817]  tty_register_device_attr+0x3a4/0x7d4
[  546.624046][T11817]  tty_register_device+0x3c/0x50
[  546.625417][T11817]  gsm_activate_mux+0xdc/0x268
[  546.626732][T11817]  gsmld_ioctl+0x16f0/0x2310
[  546.627971][T11817]  tty_ioctl+0x924/0xd8c
[  546.629100][T11817]  __arm64_sys_ioctl+0x14c/0x1c8
[  546.630453][T11817]  invoke_syscall+0x98/0x2b8
[  546.631717][T11817]  el0_svc_common+0x130/0x23c
[  546.633008][T11817]  do_el0_svc+0x48/0x58
[  546.634172][T11817]  el0_svc+0x58/0x16c
[  546.635270][T11817]  el0t_64_sync_handler+0x84/0xfc
[  546.636667][T11817]  el0t_64_sync+0x190/0x194
[  546.646858][T11817] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.839233][T11820] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.842111][T11820] CPU: 1 PID: 11820 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  546.844997][T11820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  546.847751][T11820] Call trace:
[  546.848674][T11820]  dump_backtrace+0x1b8/0x1e4
[  546.849989][T11820]  show_stack+0x2c/0x44
[  546.851118][T11820]  dump_stack_lvl+0xd0/0x124
[  546.852411][T11820]  dump_stack+0x1c/0x28
[  546.853531][T11820]  sysfs_create_dir_ns+0x278/0x318
[  546.854992][T11820]  kobject_add_internal+0x514/0xadc
[  546.856505][T11820]  kobject_add+0x14c/0x224
[  546.857715][T11820]  device_add+0x3a0/0xaac
[  546.858836][T11820]  device_register+0x28/0x38
[  546.860039][T11820]  tty_register_device_attr+0x3a4/0x7d4
[  546.861564][T11820]  tty_register_device+0x3c/0x50
[  546.862965][T11820]  gsm_activate_mux+0xdc/0x268
[  546.864246][T11820]  gsmld_ioctl+0x16f0/0x2310
[  546.865468][T11820]  tty_ioctl+0x924/0xd8c
[  546.866619][T11820]  __arm64_sys_ioctl+0x14c/0x1c8
[  546.867933][T11820]  invoke_syscall+0x98/0x2b8
[  546.869172][T11820]  el0_svc_common+0x130/0x23c
[  546.870412][T11820]  do_el0_svc+0x48/0x58
[  546.871541][T11820]  el0_svc+0x58/0x16c
[  546.872632][T11820]  el0t_64_sync_handler+0x84/0xfc
[  546.874061][T11820]  el0t_64_sync+0x190/0x194
[  546.877709][T11820] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.884881][T11820] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  546.887563][T11820] CPU: 1 PID: 11820 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  546.890405][T11820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  546.893086][T11820] Call trace:
[  546.893976][T11820]  dump_backtrace+0x1b8/0x1e4
[  546.895252][T11820]  show_stack+0x2c/0x44
[  546.896378][T11820]  dump_stack_lvl+0xd0/0x124
[  546.897614][T11820]  dump_stack+0x1c/0x28
[  546.898750][T11820]  sysfs_create_dir_ns+0x278/0x318
[  546.900161][T11820]  kobject_add_internal+0x514/0xadc
[  546.901543][T11820]  kobject_add+0x14c/0x224
[  546.902734][T11820]  device_add+0x3a0/0xaac
[  546.903928][T11820]  device_register+0x28/0x38
[  546.905187][T11820]  tty_register_device_attr+0x3a4/0x7d4
[  546.906729][T11820]  tty_register_device+0x3c/0x50
[  546.908068][T11820]  gsm_activate_mux+0xdc/0x268
[  546.909391][T11820]  gsmld_ioctl+0x16f0/0x2310
[  546.910710][T11820]  tty_ioctl+0x924/0xd8c
[  546.911889][T11820]  __arm64_sys_ioctl+0x14c/0x1c8
[  546.913292][T11820]  invoke_syscall+0x98/0x2b8
[  546.914470][T11820]  el0_svc_common+0x130/0x23c
[  546.915765][T11820]  do_el0_svc+0x48/0x58
[  546.916872][T11820]  el0_svc+0x58/0x16c
[  546.918012][T11820]  el0t_64_sync_handler+0x84/0xfc
[  546.919389][T11820]  el0t_64_sync+0x190/0x194
[  546.923552][T11820] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.254170][T11822] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  547.257089][T11822] CPU: 1 PID: 11822 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  547.259948][T11822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  547.262697][T11822] Call trace:
[  547.263602][T11822]  dump_backtrace+0x1b8/0x1e4
[  547.264870][T11822]  show_stack+0x2c/0x44
[  547.265985][T11822]  dump_stack_lvl+0xd0/0x124
[  547.267217][T11822]  dump_stack+0x1c/0x28
[  547.268371][T11822]  sysfs_create_dir_ns+0x278/0x318
[  547.269735][T11822]  kobject_add_internal+0x514/0xadc
[  547.271160][T11822]  kobject_add+0x14c/0x224
[  547.272361][T11822]  device_add+0x3a0/0xaac
[  547.273487][T11822]  device_register+0x28/0x38
[  547.274718][T11822]  tty_register_device_attr+0x3a4/0x7d4
[  547.276246][T11822]  tty_register_device+0x3c/0x50
[  547.277630][T11822]  gsm_activate_mux+0xdc/0x268
[  547.278992][T11822]  gsmld_ioctl+0x16f0/0x2310
[  547.280218][T11822]  tty_ioctl+0x924/0xd8c
[  547.281362][T11822]  __arm64_sys_ioctl+0x14c/0x1c8
[  547.282679][T11822]  invoke_syscall+0x98/0x2b8
[  547.283893][T11822]  el0_svc_common+0x130/0x23c
[  547.285161][T11822]  do_el0_svc+0x48/0x58
[  547.286304][T11822]  el0_svc+0x58/0x16c
[  547.287408][T11822]  el0t_64_sync_handler+0x84/0xfc
[  547.288782][T11822]  el0t_64_sync+0x190/0x194
[  547.297376][T11822] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.700586][T11826] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  547.702849][T11826] CPU: 1 PID: 11826 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  547.705655][T11826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  547.708417][T11826] Call trace:
[  547.709273][T11826]  dump_backtrace+0x1b8/0x1e4
[  547.710503][T11826]  show_stack+0x2c/0x44
[  547.711638][T11826]  dump_stack_lvl+0xd0/0x124
[  547.712863][T11826]  dump_stack+0x1c/0x28
[  547.714018][T11826]  sysfs_create_dir_ns+0x278/0x318
[  547.715446][T11826]  kobject_add_internal+0x514/0xadc
[  547.716769][T11826]  kobject_add+0x14c/0x224
[  547.717969][T11826]  device_add+0x3a0/0xaac
[  547.719063][T11826]  device_register+0x28/0x38
[  547.720264][T11826]  tty_register_device_attr+0x3a4/0x7d4
[  547.721866][T11826]  tty_register_device+0x3c/0x50
[  547.723175][T11826]  gsm_activate_mux+0xdc/0x268
[  547.724494][T11826]  gsmld_ioctl+0x16f0/0x2310
[  547.725728][T11826]  tty_ioctl+0x924/0xd8c
[  547.726908][T11826]  __arm64_sys_ioctl+0x14c/0x1c8
[  547.728294][T11826]  invoke_syscall+0x98/0x2b8
[  547.729499][T11826]  el0_svc_common+0x130/0x23c
[  547.730718][T11826]  do_el0_svc+0x48/0x58
[  547.731814][T11826]  el0_svc+0x58/0x16c
[  547.732908][T11826]  el0t_64_sync_handler+0x84/0xfc
[  547.734210][T11826]  el0t_64_sync+0x190/0x194
[  547.740781][T11826] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.166513][T11829] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  548.170906][T11829] CPU: 1 PID: 11829 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  548.173853][T11829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  548.176651][T11829] Call trace:
[  548.177545][T11829]  dump_backtrace+0x1b8/0x1e4
[  548.178872][T11829]  show_stack+0x2c/0x44
[  548.180023][T11829]  dump_stack_lvl+0xd0/0x124
[  548.181232][T11829]  dump_stack+0x1c/0x28
[  548.182367][T11829]  sysfs_create_dir_ns+0x278/0x318
[  548.183741][T11829]  kobject_add_internal+0x514/0xadc
[  548.185145][T11829]  kobject_add+0x14c/0x224
[  548.186298][T11829]  device_add+0x3a0/0xaac
[  548.187501][T11829]  device_register+0x28/0x38
[  548.188856][T11829]  tty_register_device_attr+0x3a4/0x7d4
[  548.190357][T11829]  tty_register_device+0x3c/0x50
[  548.191692][T11829]  gsm_activate_mux+0xdc/0x268
[  548.193005][T11829]  gsmld_ioctl+0x16f0/0x2310
[  548.194272][T11829]  tty_ioctl+0x924/0xd8c
[  548.195396][T11829]  __arm64_sys_ioctl+0x14c/0x1c8
[  548.196751][T11829]  invoke_syscall+0x98/0x2b8
[  548.197966][T11829]  el0_svc_common+0x130/0x23c
[  548.199238][T11829]  do_el0_svc+0x48/0x58
[  548.200332][T11829]  el0_svc+0x58/0x16c
[  548.201417][T11829]  el0t_64_sync_handler+0x84/0xfc
[  548.202752][T11829]  el0t_64_sync+0x190/0x194
[  548.225760][T11829] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.455520][T11832] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  548.460543][T11832] CPU: 0 PID: 11832 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  548.463395][T11832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  548.466180][T11832] Call trace:
[  548.467076][T11832]  dump_backtrace+0x1b8/0x1e4
[  548.468329][T11832]  show_stack+0x2c/0x44
[  548.469457][T11832]  dump_stack_lvl+0xd0/0x124
[  548.470680][T11832]  dump_stack+0x1c/0x28
[  548.471795][T11832]  sysfs_create_dir_ns+0x278/0x318
[  548.473142][T11832]  kobject_add_internal+0x514/0xadc
[  548.474561][T11832]  kobject_add+0x14c/0x224
[  548.475749][T11832]  device_add+0x3a0/0xaac
[  548.476953][T11832]  device_register+0x28/0x38
[  548.478175][T11832]  tty_register_device_attr+0x3a4/0x7d4
[  548.479660][T11832]  tty_register_device+0x3c/0x50
[  548.480969][T11832]  gsm_activate_mux+0xdc/0x268
[  548.482237][T11832]  gsmld_ioctl+0x16f0/0x2310
[  548.483484][T11832]  tty_ioctl+0x924/0xd8c
[  548.484640][T11832]  __arm64_sys_ioctl+0x14c/0x1c8
[  548.486004][T11832]  invoke_syscall+0x98/0x2b8
[  548.487229][T11832]  el0_svc_common+0x130/0x23c
[  548.488585][T11832]  do_el0_svc+0x48/0x58
[  548.489715][T11832]  el0_svc+0x58/0x16c
[  548.490779][T11832]  el0t_64_sync_handler+0x84/0xfc
[  548.492136][T11832]  el0t_64_sync+0x190/0x194
[  548.503659][T11832] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.699456][T11835] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  548.702820][T11835] CPU: 0 PID: 11835 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  548.705580][T11835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  548.708307][T11835] Call trace:
[  548.709194][T11835]  dump_backtrace+0x1b8/0x1e4
[  548.710401][T11835]  show_stack+0x2c/0x44
[  548.711541][T11835]  dump_stack_lvl+0xd0/0x124
[  548.712758][T11835]  dump_stack+0x1c/0x28
[  548.713885][T11835]  sysfs_create_dir_ns+0x278/0x318
[  548.715197][T11835]  kobject_add_internal+0x514/0xadc
[  548.716604][T11835]  kobject_add+0x14c/0x224
[  548.717732][T11835]  device_add+0x3a0/0xaac
[  548.718889][T11835]  device_register+0x28/0x38
[  548.720117][T11835]  tty_register_device_attr+0x3a4/0x7d4
[  548.721594][T11835]  tty_register_device+0x3c/0x50
[  548.722887][T11835]  gsm_activate_mux+0xdc/0x268
[  548.724137][T11835]  gsmld_ioctl+0x16f0/0x2310
[  548.725371][T11835]  tty_ioctl+0x924/0xd8c
[  548.726531][T11835]  __arm64_sys_ioctl+0x14c/0x1c8
[  548.727841][T11835]  invoke_syscall+0x98/0x2b8
[  548.729066][T11835]  el0_svc_common+0x130/0x23c
[  548.730305][T11835]  do_el0_svc+0x48/0x58
[  548.731454][T11835]  el0_svc+0x58/0x16c
[  548.732595][T11835]  el0t_64_sync_handler+0x84/0xfc
[  548.733970][T11835]  el0t_64_sync+0x190/0x194
[  548.738777][T11835] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.092417][T11838] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  549.094876][T11838] CPU: 0 PID: 11838 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  549.097748][T11838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  549.100452][T11838] Call trace:
[  549.101338][T11838]  dump_backtrace+0x1b8/0x1e4
[  549.102760][T11838]  show_stack+0x2c/0x44
[  549.103945][T11838]  dump_stack_lvl+0xd0/0x124
[  549.105154][T11838]  dump_stack+0x1c/0x28
[  549.106322][T11838]  sysfs_create_dir_ns+0x278/0x318
[  549.107750][T11838]  kobject_add_internal+0x514/0xadc
[  549.109241][T11838]  kobject_add+0x14c/0x224
[  549.110449][T11838]  device_add+0x3a0/0xaac
[  549.111679][T11838]  device_register+0x28/0x38
[  549.112945][T11838]  tty_register_device_attr+0x3a4/0x7d4
[  549.114478][T11838]  tty_register_device+0x3c/0x50
[  549.115816][T11838]  gsm_activate_mux+0xdc/0x268
[  549.117119][T11838]  gsmld_ioctl+0x16f0/0x2310
[  549.118367][T11838]  tty_ioctl+0x924/0xd8c
[  549.119530][T11838]  __arm64_sys_ioctl+0x14c/0x1c8
[  549.120885][T11838]  invoke_syscall+0x98/0x2b8
[  549.122175][T11838]  el0_svc_common+0x130/0x23c
[  549.123505][T11838]  do_el0_svc+0x48/0x58
[  549.124686][T11838]  el0_svc+0x58/0x16c
[  549.125829][T11838]  el0t_64_sync_handler+0x84/0xfc
[  549.127209][T11838]  el0t_64_sync+0x190/0x194
[  549.140001][T11838] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.552636][T11841] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  549.555028][T11841] CPU: 0 PID: 11841 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  549.557836][T11841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  549.560526][T11841] Call trace:
[  549.561378][T11841]  dump_backtrace+0x1b8/0x1e4
[  549.562600][T11841]  show_stack+0x2c/0x44
[  549.563733][T11841]  dump_stack_lvl+0xd0/0x124
[  549.564930][T11841]  dump_stack+0x1c/0x28
[  549.566051][T11841]  sysfs_create_dir_ns+0x278/0x318
[  549.567358][T11841]  kobject_add_internal+0x514/0xadc
[  549.568754][T11841]  kobject_add+0x14c/0x224
[  549.569963][T11841]  device_add+0x3a0/0xaac
[  549.571087][T11841]  device_register+0x28/0x38
[  549.572297][T11841]  tty_register_device_attr+0x3a4/0x7d4
[  549.573726][T11841]  tty_register_device+0x3c/0x50
[  549.575044][T11841]  gsm_activate_mux+0xdc/0x268
[  549.576314][T11841]  gsmld_ioctl+0x16f0/0x2310
[  549.577616][T11841]  tty_ioctl+0x924/0xd8c
[  549.578765][T11841]  __arm64_sys_ioctl+0x14c/0x1c8
[  549.580002][T11841]  invoke_syscall+0x98/0x2b8
[  549.581281][T11841]  el0_svc_common+0x130/0x23c
[  549.582471][T11841]  do_el0_svc+0x48/0x58
[  549.583623][T11841]  el0_svc+0x58/0x16c
[  549.584705][T11841]  el0t_64_sync_handler+0x84/0xfc
[  549.586063][T11841]  el0t_64_sync+0x190/0x194
[  549.590830][T11841] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.838967][T11844] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  549.842835][T11844] CPU: 0 PID: 11844 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  549.845718][T11844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  549.848492][T11844] Call trace:
[  549.849403][T11844]  dump_backtrace+0x1b8/0x1e4
[  549.850648][T11844]  show_stack+0x2c/0x44
[  549.851827][T11844]  dump_stack_lvl+0xd0/0x124
[  549.853089][T11844]  dump_stack+0x1c/0x28
[  549.854174][T11844]  sysfs_create_dir_ns+0x278/0x318
[  549.855524][T11844]  kobject_add_internal+0x514/0xadc
[  549.856951][T11844]  kobject_add+0x14c/0x224
[  549.858153][T11844]  device_add+0x3a0/0xaac
[  549.859325][T11844]  device_register+0x28/0x38
[  549.860603][T11844]  tty_register_device_attr+0x3a4/0x7d4
[  549.862055][T11844]  tty_register_device+0x3c/0x50
[  549.863426][T11844]  gsm_activate_mux+0xdc/0x268
[  549.864694][T11844]  gsmld_ioctl+0x16f0/0x2310
[  549.865942][T11844]  tty_ioctl+0x924/0xd8c
[  549.867156][T11844]  __arm64_sys_ioctl+0x14c/0x1c8
[  549.868488][T11844]  invoke_syscall+0x98/0x2b8
[  549.869746][T11844]  el0_svc_common+0x130/0x23c
[  549.871024][T11844]  do_el0_svc+0x48/0x58
[  549.872176][T11844]  el0_svc+0x58/0x16c
[  549.873254][T11844]  el0t_64_sync_handler+0x84/0xfc
[  549.874602][T11844]  el0t_64_sync+0x190/0x194
[  549.883931][T11844] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.078487][T11847] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.081613][T11847] CPU: 0 PID: 11847 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  550.084388][T11847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  550.087138][T11847] Call trace:
[  550.088013][T11847]  dump_backtrace+0x1b8/0x1e4
[  550.089338][T11847]  show_stack+0x2c/0x44
[  550.090454][T11847]  dump_stack_lvl+0xd0/0x124
[  550.091717][T11847]  dump_stack+0x1c/0x28
[  550.092847][T11847]  sysfs_create_dir_ns+0x278/0x318
[  550.094239][T11847]  kobject_add_internal+0x514/0xadc
[  550.095616][T11847]  kobject_add+0x14c/0x224
[  550.096765][T11847]  device_add+0x3a0/0xaac
[  550.097921][T11847]  device_register+0x28/0x38
[  550.099150][T11847]  tty_register_device_attr+0x3a4/0x7d4
[  550.100632][T11847]  tty_register_device+0x3c/0x50
[  550.101978][T11847]  gsm_activate_mux+0xdc/0x268
[  550.103249][T11847]  gsmld_ioctl+0x16f0/0x2310
[  550.104478][T11847]  tty_ioctl+0x924/0xd8c
[  550.105613][T11847]  __arm64_sys_ioctl+0x14c/0x1c8
[  550.106963][T11847]  invoke_syscall+0x98/0x2b8
[  550.108205][T11847]  el0_svc_common+0x130/0x23c
[  550.109451][T11847]  do_el0_svc+0x48/0x58
[  550.110607][T11847]  el0_svc+0x58/0x16c
[  550.111679][T11847]  el0t_64_sync_handler+0x84/0xfc
[  550.113090][T11847]  el0t_64_sync+0x190/0x194
[  550.128175][T11847] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.310852][T11850] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.314427][T11850] CPU: 1 PID: 11850 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  550.317316][T11850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  550.320085][T11850] Call trace:
[  550.320920][T11850]  dump_backtrace+0x1b8/0x1e4
[  550.322110][T11850]  show_stack+0x2c/0x44
[  550.323251][T11850]  dump_stack_lvl+0xd0/0x124
[  550.324517][T11850]  dump_stack+0x1c/0x28
[  550.325639][T11850]  sysfs_create_dir_ns+0x278/0x318
[  550.326992][T11850]  kobject_add_internal+0x514/0xadc
[  550.328383][T11850]  kobject_add+0x14c/0x224
[  550.329589][T11850]  device_add+0x3a0/0xaac
[  550.330748][T11850]  device_register+0x28/0x38
[  550.331986][T11850]  tty_register_device_attr+0x3a4/0x7d4
[  550.333508][T11850]  tty_register_device+0x3c/0x50
[  550.334915][T11850]  gsm_activate_mux+0xdc/0x268
[  550.336239][T11850]  gsmld_ioctl+0x16f0/0x2310
[  550.337480][T11850]  tty_ioctl+0x924/0xd8c
[  550.338619][T11850]  __arm64_sys_ioctl+0x14c/0x1c8
[  550.339969][T11850]  invoke_syscall+0x98/0x2b8
[  550.341223][T11850]  el0_svc_common+0x130/0x23c
[  550.342483][T11850]  do_el0_svc+0x48/0x58
[  550.343603][T11850]  el0_svc+0x58/0x16c
[  550.344677][T11850]  el0t_64_sync_handler+0x84/0xfc
[  550.346015][T11850]  el0t_64_sync+0x190/0x194
[  550.351559][T11850] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.540779][T11853] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.545655][T11853] CPU: 1 PID: 11853 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  550.548524][T11853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  550.551378][T11853] Call trace:
[  550.552276][T11853]  dump_backtrace+0x1b8/0x1e4
[  550.553582][T11853]  show_stack+0x2c/0x44
[  550.554712][T11853]  dump_stack_lvl+0xd0/0x124
[  550.555939][T11853]  dump_stack+0x1c/0x28
[  550.557040][T11853]  sysfs_create_dir_ns+0x278/0x318
[  550.558447][T11853]  kobject_add_internal+0x514/0xadc
[  550.559875][T11853]  kobject_add+0x14c/0x224
[  550.561054][T11853]  device_add+0x3a0/0xaac
[  550.562239][T11853]  device_register+0x28/0x38
[  550.563481][T11853]  tty_register_device_attr+0x3a4/0x7d4
[  550.564984][T11853]  tty_register_device+0x3c/0x50
[  550.566430][T11853]  gsm_activate_mux+0xdc/0x268
[  550.567799][T11853]  gsmld_ioctl+0x16f0/0x2310
[  550.569092][T11853]  tty_ioctl+0x924/0xd8c
[  550.570200][T11853]  __arm64_sys_ioctl+0x14c/0x1c8
[  550.571589][T11853]  invoke_syscall+0x98/0x2b8
[  550.572840][T11853]  el0_svc_common+0x130/0x23c
[  550.574117][T11853]  do_el0_svc+0x48/0x58
[  550.575235][T11853]  el0_svc+0x58/0x16c
[  550.576349][T11853]  el0t_64_sync_handler+0x84/0xfc
[  550.577718][T11853]  el0t_64_sync+0x190/0x194
[  550.585905][T11853] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.773599][T11856] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.776219][T11856] CPU: 1 PID: 11856 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  550.779194][T11856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  550.781998][T11856] Call trace:
[  550.782900][T11856]  dump_backtrace+0x1b8/0x1e4
[  550.784192][T11856]  show_stack+0x2c/0x44
[  550.785367][T11856]  dump_stack_lvl+0xd0/0x124
[  550.786593][T11856]  dump_stack+0x1c/0x28
[  550.787786][T11856]  sysfs_create_dir_ns+0x278/0x318
[  550.789188][T11856]  kobject_add_internal+0x514/0xadc
[  550.790614][T11856]  kobject_add+0x14c/0x224
[  550.791851][T11856]  device_add+0x3a0/0xaac
[  550.793066][T11856]  device_register+0x28/0x38
[  550.794342][T11856]  tty_register_device_attr+0x3a4/0x7d4
[  550.795918][T11856]  tty_register_device+0x3c/0x50
[  550.797286][T11856]  gsm_activate_mux+0xdc/0x268
[  550.798617][T11856]  gsmld_ioctl+0x16f0/0x2310
[  550.799815][T11856]  tty_ioctl+0x924/0xd8c
[  550.800969][T11856]  __arm64_sys_ioctl+0x14c/0x1c8
[  550.802357][T11856]  invoke_syscall+0x98/0x2b8
[  550.803646][T11856]  el0_svc_common+0x130/0x23c
[  550.804948][T11856]  do_el0_svc+0x48/0x58
[  550.806119][T11856]  el0_svc+0x58/0x16c
[  550.807231][T11856]  el0t_64_sync_handler+0x84/0xfc
[  550.808599][T11856]  el0t_64_sync+0x190/0x194
[  550.814970][T11856] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.819543][T11856] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  550.822159][T11856] CPU: 1 PID: 11856 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  550.825009][T11856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  550.827819][T11856] Call trace:
[  550.828745][T11856]  dump_backtrace+0x1b8/0x1e4
[  550.830025][T11856]  show_stack+0x2c/0x44
[  550.831166][T11856]  dump_stack_lvl+0xd0/0x124
[  550.832403][T11856]  dump_stack+0x1c/0x28
[  550.833509][T11856]  sysfs_create_dir_ns+0x278/0x318
[  550.834888][T11856]  kobject_add_internal+0x514/0xadc
[  550.836286][T11856]  kobject_add+0x14c/0x224
[  550.837516][T11856]  device_add+0x3a0/0xaac
[  550.838743][T11856]  device_register+0x28/0x38
[  550.840024][T11856]  tty_register_device_attr+0x3a4/0x7d4
[  550.841483][T11856]  tty_register_device+0x3c/0x50
[  550.842835][T11856]  gsm_activate_mux+0xdc/0x268
[  550.844167][T11856]  gsmld_ioctl+0x16f0/0x2310
[  550.845455][T11856]  tty_ioctl+0x924/0xd8c
[  550.846728][T11856]  __arm64_sys_ioctl+0x14c/0x1c8
[  550.848096][T11856]  invoke_syscall+0x98/0x2b8
[  550.849357][T11856]  el0_svc_common+0x130/0x23c
[  550.850680][T11856]  do_el0_svc+0x48/0x58
[  550.851844][T11856]  el0_svc+0x58/0x16c
[  550.852936][T11856]  el0t_64_sync_handler+0x84/0xfc
[  550.854276][T11856]  el0t_64_sync+0x190/0x194
[  550.863019][T11856] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.027740][T11859] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.030222][T11859] CPU: 0 PID: 11859 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  551.033009][T11859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  551.035779][T11859] Call trace:
[  551.036707][T11859]  dump_backtrace+0x1b8/0x1e4
[  551.037965][T11859]  show_stack+0x2c/0x44
[  551.039096][T11859]  dump_stack_lvl+0xd0/0x124
[  551.040318][T11859]  dump_stack+0x1c/0x28
[  551.041474][T11859]  sysfs_create_dir_ns+0x278/0x318
[  551.042831][T11859]  kobject_add_internal+0x514/0xadc
[  551.044201][T11859]  kobject_add+0x14c/0x224
[  551.045410][T11859]  device_add+0x3a0/0xaac
[  551.046646][T11859]  device_register+0x28/0x38
[  551.047872][T11859]  tty_register_device_attr+0x3a4/0x7d4
[  551.049337][T11859]  tty_register_device+0x3c/0x50
[  551.050636][T11859]  gsm_activate_mux+0xdc/0x268
[  551.051908][T11859]  gsmld_ioctl+0x16f0/0x2310
[  551.053130][T11859]  tty_ioctl+0x924/0xd8c
[  551.054253][T11859]  __arm64_sys_ioctl+0x14c/0x1c8
[  551.055596][T11859]  invoke_syscall+0x98/0x2b8
[  551.056824][T11859]  el0_svc_common+0x130/0x23c
[  551.058046][T11859]  do_el0_svc+0x48/0x58
[  551.059161][T11859]  el0_svc+0x58/0x16c
[  551.060259][T11859]  el0t_64_sync_handler+0x84/0xfc
[  551.061644][T11859]  el0t_64_sync+0x190/0x194
[  551.063807][T11859] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.067945][T11859] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.070236][T11859] CPU: 0 PID: 11859 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  551.073048][T11859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  551.075755][T11859] Call trace:
[  551.076624][T11859]  dump_backtrace+0x1b8/0x1e4
[  551.077886][T11859]  show_stack+0x2c/0x44
[  551.078979][T11859]  dump_stack_lvl+0xd0/0x124
[  551.080190][T11859]  dump_stack+0x1c/0x28
[  551.081282][T11859]  sysfs_create_dir_ns+0x278/0x318
[  551.082627][T11859]  kobject_add_internal+0x514/0xadc
[  551.084040][T11859]  kobject_add+0x14c/0x224
[  551.085250][T11859]  device_add+0x3a0/0xaac
[  551.086439][T11859]  device_register+0x28/0x38
[  551.087688][T11859]  tty_register_device_attr+0x3a4/0x7d4
[  551.089186][T11859]  tty_register_device+0x3c/0x50
[  551.090526][T11859]  gsm_activate_mux+0xdc/0x268
[  551.091815][T11859]  gsmld_ioctl+0x16f0/0x2310
[  551.093082][T11859]  tty_ioctl+0x924/0xd8c
[  551.094285][T11859]  __arm64_sys_ioctl+0x14c/0x1c8
[  551.095631][T11859]  invoke_syscall+0x98/0x2b8
[  551.096897][T11859]  el0_svc_common+0x130/0x23c
[  551.098159][T11859]  do_el0_svc+0x48/0x58
[  551.099241][T11859]  el0_svc+0x58/0x16c
[  551.100315][T11859]  el0t_64_sync_handler+0x84/0xfc
[  551.101665][T11859]  el0t_64_sync+0x190/0x194
[  551.103090][T11859] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.282520][T11862] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.286468][T11862] CPU: 0 PID: 11862 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  551.289449][T11862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  551.292158][T11862] Call trace:
[  551.293078][T11862]  dump_backtrace+0x1b8/0x1e4
[  551.294410][T11862]  show_stack+0x2c/0x44
[  551.295582][T11862]  dump_stack_lvl+0xd0/0x124
[  551.296800][T11862]  dump_stack+0x1c/0x28
[  551.297910][T11862]  sysfs_create_dir_ns+0x278/0x318
[  551.299325][T11862]  kobject_add_internal+0x514/0xadc
[  551.300713][T11862]  kobject_add+0x14c/0x224
[  551.301907][T11862]  device_add+0x3a0/0xaac
[  551.303026][T11862]  device_register+0x28/0x38
[  551.304259][T11862]  tty_register_device_attr+0x3a4/0x7d4
[  551.305774][T11862]  tty_register_device+0x3c/0x50
[  551.307070][T11862]  gsm_activate_mux+0xdc/0x268
[  551.308383][T11862]  gsmld_ioctl+0x16f0/0x2310
[  551.309623][T11862]  tty_ioctl+0x924/0xd8c
[  551.310743][T11862]  __arm64_sys_ioctl+0x14c/0x1c8
[  551.312069][T11862]  invoke_syscall+0x98/0x2b8
[  551.313284][T11862]  el0_svc_common+0x130/0x23c
[  551.314553][T11862]  do_el0_svc+0x48/0x58
[  551.315689][T11862]  el0_svc+0x58/0x16c
[  551.316800][T11862]  el0t_64_sync_handler+0x84/0xfc
[  551.318131][T11862]  el0t_64_sync+0x190/0x194
[  551.319878][T11862] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.534143][T11865] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.537910][T11865] CPU: 0 PID: 11865 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  551.540633][T11865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  551.543187][T11865] Call trace:
[  551.544083][T11865]  dump_backtrace+0x1b8/0x1e4
[  551.545360][T11865]  show_stack+0x2c/0x44
[  551.546450][T11865]  dump_stack_lvl+0xd0/0x124
[  551.547787][T11865]  dump_stack+0x1c/0x28
[  551.549008][T11865]  sysfs_create_dir_ns+0x278/0x318
[  551.550383][T11865]  kobject_add_internal+0x514/0xadc
[  551.551854][T11865]  kobject_add+0x14c/0x224
[  551.553106][T11865]  device_add+0x3a0/0xaac
[  551.554335][T11865]  device_register+0x28/0x38
[  551.555604][T11865]  tty_register_device_attr+0x3a4/0x7d4
[  551.557090][T11865]  tty_register_device+0x3c/0x50
[  551.558398][T11865]  gsm_activate_mux+0xdc/0x268
[  551.559768][T11865]  gsmld_ioctl+0x16f0/0x2310
[  551.561008][T11865]  tty_ioctl+0x924/0xd8c
[  551.562152][T11865]  __arm64_sys_ioctl+0x14c/0x1c8
[  551.563426][T11865]  invoke_syscall+0x98/0x2b8
[  551.564780][T11865]  el0_svc_common+0x130/0x23c
[  551.566030][T11865]  do_el0_svc+0x48/0x58
[  551.567191][T11865]  el0_svc+0x58/0x16c
[  551.568305][T11865]  el0t_64_sync_handler+0x84/0xfc
[  551.569661][T11865]  el0t_64_sync+0x190/0x194
[  551.572343][T11865] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.581117][T11865] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.583239][T11865] CPU: 0 PID: 11865 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  551.585952][T11865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  551.588625][T11865] Call trace:
[  551.589471][T11865]  dump_backtrace+0x1b8/0x1e4
[  551.590662][T11865]  show_stack+0x2c/0x44
[  551.591659][T11865]  dump_stack_lvl+0xd0/0x124
[  551.592919][T11865]  dump_stack+0x1c/0x28
[  551.594004][T11865]  sysfs_create_dir_ns+0x278/0x318
[  551.595434][T11865]  kobject_add_internal+0x514/0xadc
[  551.596890][T11865]  kobject_add+0x14c/0x224
[  551.598122][T11865]  device_add+0x3a0/0xaac
[  551.599250][T11865]  device_register+0x28/0x38
[  551.600450][T11865]  tty_register_device_attr+0x3a4/0x7d4
[  551.601927][T11865]  tty_register_device+0x3c/0x50
[  551.603214][T11865]  gsm_activate_mux+0xdc/0x268
[  551.604518][T11865]  gsmld_ioctl+0x16f0/0x2310
[  551.605786][T11865]  tty_ioctl+0x924/0xd8c
[  551.606930][T11865]  __arm64_sys_ioctl+0x14c/0x1c8
[  551.608229][T11865]  invoke_syscall+0x98/0x2b8
[  551.609462][T11865]  el0_svc_common+0x130/0x23c
[  551.610717][T11865]  do_el0_svc+0x48/0x58
[  551.611859][T11865]  el0_svc+0x58/0x16c
[  551.612931][T11865]  el0t_64_sync_handler+0x84/0xfc
[  551.614395][T11865]  el0t_64_sync+0x190/0x194
[  551.619017][T11865] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.792895][T11868] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  551.795205][T11868] CPU: 0 PID: 11868 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  551.797853][T11868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  551.800428][T11868] Call trace:
[  551.801256][T11868]  dump_backtrace+0x1b8/0x1e4
[  551.802471][T11868]  show_stack+0x2c/0x44
[  551.803596][T11868]  dump_stack_lvl+0xd0/0x124
[  551.804777][T11868]  dump_stack+0x1c/0x28
[  551.805953][T11868]  sysfs_create_dir_ns+0x278/0x318
[  551.807355][T11868]  kobject_add_internal+0x514/0xadc
[  551.808758][T11868]  kobject_add+0x14c/0x224
[  551.809960][T11868]  device_add+0x3a0/0xaac
[  551.811139][T11868]  device_register+0x28/0x38
[  551.812326][T11868]  tty_register_device_attr+0x3a4/0x7d4
[  551.813733][T11868]  tty_register_device+0x3c/0x50
[  551.815021][T11868]  gsm_activate_mux+0xdc/0x268
[  551.816234][T11868]  gsmld_ioctl+0x16f0/0x2310
[  551.817484][T11868]  tty_ioctl+0x924/0xd8c
[  551.818531][T11868]  __arm64_sys_ioctl+0x14c/0x1c8
[  551.819933][T11868]  invoke_syscall+0x98/0x2b8
[  551.821187][T11868]  el0_svc_common+0x130/0x23c
[  551.822448][T11868]  do_el0_svc+0x48/0x58
[  551.823585][T11868]  el0_svc+0x58/0x16c
[  551.824694][T11868]  el0t_64_sync_handler+0x84/0xfc
[  551.825977][T11868]  el0t_64_sync+0x190/0x194
[  551.831715][T11868] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.197265][T11871] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  552.199457][T11871] CPU: 1 PID: 11871 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  552.202044][T11871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  552.204447][T11871] Call trace:
[  552.205259][T11871]  dump_backtrace+0x1b8/0x1e4
[  552.206469][T11871]  show_stack+0x2c/0x44
[  552.207600][T11871]  dump_stack_lvl+0xd0/0x124
[  552.208853][T11871]  dump_stack+0x1c/0x28
[  552.210011][T11871]  sysfs_create_dir_ns+0x278/0x318
[  552.211425][T11871]  kobject_add_internal+0x514/0xadc
[  552.212846][T11871]  kobject_add+0x14c/0x224
[  552.214051][T11871]  device_add+0x3a0/0xaac
[  552.215261][T11871]  device_register+0x28/0x38
[  552.216452][T11871]  tty_register_device_attr+0x3a4/0x7d4
[  552.217961][T11871]  tty_register_device+0x3c/0x50
[  552.219233][T11871]  gsm_activate_mux+0xdc/0x268
[  552.220473][T11871]  gsmld_ioctl+0x16f0/0x2310
[  552.221688][T11871]  tty_ioctl+0x924/0xd8c
[  552.222779][T11871]  __arm64_sys_ioctl+0x14c/0x1c8
[  552.224189][T11871]  invoke_syscall+0x98/0x2b8
[  552.225466][T11871]  el0_svc_common+0x130/0x23c
[  552.226771][T11871]  do_el0_svc+0x48/0x58
[  552.227851][T11871]  el0_svc+0x58/0x16c
[  552.228871][T11871]  el0t_64_sync_handler+0x84/0xfc
[  552.230182][T11871]  el0t_64_sync+0x190/0x194
[  552.248387][T11871] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.489510][T11874] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  552.493815][T11874] CPU: 0 PID: 11874 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  552.496501][T11874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  552.499175][T11874] Call trace:
[  552.500105][T11874]  dump_backtrace+0x1b8/0x1e4
[  552.501371][T11874]  show_stack+0x2c/0x44
[  552.502427][T11874]  dump_stack_lvl+0xd0/0x124
[  552.503614][T11874]  dump_stack+0x1c/0x28
[  552.504723][T11874]  sysfs_create_dir_ns+0x278/0x318
[  552.506140][T11874]  kobject_add_internal+0x514/0xadc
[  552.507534][T11874]  kobject_add+0x14c/0x224
[  552.508669][T11874]  device_add+0x3a0/0xaac
[  552.509870][T11874]  device_register+0x28/0x38
[  552.511129][T11874]  tty_register_device_attr+0x3a4/0x7d4
[  552.512617][T11874]  tty_register_device+0x3c/0x50
[  552.513973][T11874]  gsm_activate_mux+0xdc/0x268
[  552.515200][T11874]  gsmld_ioctl+0x16f0/0x2310
[  552.516456][T11874]  tty_ioctl+0x924/0xd8c
[  552.517597][T11874]  __arm64_sys_ioctl+0x14c/0x1c8
[  552.518927][T11874]  invoke_syscall+0x98/0x2b8
[  552.520202][T11874]  el0_svc_common+0x130/0x23c
[  552.521476][T11874]  do_el0_svc+0x48/0x58
[  552.522636][T11874]  el0_svc+0x58/0x16c
[  552.523728][T11874]  el0t_64_sync_handler+0x84/0xfc
[  552.525022][T11874]  el0t_64_sync+0x190/0x194
[  552.528933][T11874] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.892499][T11877] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  552.894978][T11877] CPU: 1 PID: 11877 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  552.897730][T11877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  552.900323][T11877] Call trace:
[  552.901181][T11877]  dump_backtrace+0x1b8/0x1e4
[  552.902486][T11877]  show_stack+0x2c/0x44
[  552.903650][T11877]  dump_stack_lvl+0xd0/0x124
[  552.904836][T11877]  dump_stack+0x1c/0x28
[  552.906026][T11877]  sysfs_create_dir_ns+0x278/0x318
[  552.907419][T11877]  kobject_add_internal+0x514/0xadc
[  552.908804][T11877]  kobject_add+0x14c/0x224
[  552.909915][T11877]  device_add+0x3a0/0xaac
[  552.911026][T11877]  device_register+0x28/0x38
[  552.912290][T11877]  tty_register_device_attr+0x3a4/0x7d4
[  552.913740][T11877]  tty_register_device+0x3c/0x50
[  552.915116][T11877]  gsm_activate_mux+0xdc/0x268
[  552.916457][T11877]  gsmld_ioctl+0x16f0/0x2310
[  552.917752][T11877]  tty_ioctl+0x924/0xd8c
[  552.918906][T11877]  __arm64_sys_ioctl+0x14c/0x1c8
[  552.920260][T11877]  invoke_syscall+0x98/0x2b8
[  552.921505][T11877]  el0_svc_common+0x130/0x23c
[  552.922765][T11877]  do_el0_svc+0x48/0x58
[  552.923906][T11877]  el0_svc+0x58/0x16c
[  552.924929][T11877]  el0t_64_sync_handler+0x84/0xfc
[  552.926274][T11877]  el0t_64_sync+0x190/0x194
[  552.942351][T11877] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.362216][T11880] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  553.368606][T11880] CPU: 1 PID: 11880 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  553.371289][T11880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  553.373867][T11880] Call trace:
[  553.374652][T11880]  dump_backtrace+0x1b8/0x1e4
[  553.375892][T11880]  show_stack+0x2c/0x44
[  553.376934][T11880]  dump_stack_lvl+0xd0/0x124
[  553.378157][T11880]  dump_stack+0x1c/0x28
[  553.379285][T11880]  sysfs_create_dir_ns+0x278/0x318
[  553.380641][T11880]  kobject_add_internal+0x514/0xadc
[  553.382003][T11880]  kobject_add+0x14c/0x224
[  553.383206][T11880]  device_add+0x3a0/0xaac
[  553.384353][T11880]  device_register+0x28/0x38
[  553.385667][T11880]  tty_register_device_attr+0x3a4/0x7d4
[  553.387166][T11880]  tty_register_device+0x3c/0x50
[  553.388502][T11880]  gsm_activate_mux+0xdc/0x268
[  553.389781][T11880]  gsmld_ioctl+0x16f0/0x2310
[  553.390968][T11880]  tty_ioctl+0x924/0xd8c
[  553.392084][T11880]  __arm64_sys_ioctl+0x14c/0x1c8
[  553.393430][T11880]  invoke_syscall+0x98/0x2b8
[  553.394696][T11880]  el0_svc_common+0x130/0x23c
[  553.395919][T11880]  do_el0_svc+0x48/0x58
[  553.397055][T11880]  el0_svc+0x58/0x16c
[  553.398064][T11880]  el0t_64_sync_handler+0x84/0xfc
[  553.399390][T11880]  el0t_64_sync+0x190/0x194
[  553.403983][T11880] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.652448][T11883] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  553.655914][T11883] CPU: 1 PID: 11883 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  553.658639][T11883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  553.661260][T11883] Call trace:
[  553.662263][T11883]  dump_backtrace+0x1b8/0x1e4
[  553.663674][T11883]  show_stack+0x2c/0x44
[  553.664769][T11883]  dump_stack_lvl+0xd0/0x124
[  553.666123][T11883]  dump_stack+0x1c/0x28
[  553.667291][T11883]  sysfs_create_dir_ns+0x278/0x318
[  553.668660][T11883]  kobject_add_internal+0x514/0xadc
[  553.670123][T11883]  kobject_add+0x14c/0x224
[  553.671261][T11883]  device_add+0x3a0/0xaac
[  553.672529][T11883]  device_register+0x28/0x38
[  553.673823][T11883]  tty_register_device_attr+0x3a4/0x7d4
[  553.675191][T11883]  tty_register_device+0x3c/0x50
[  553.676559][T11883]  gsm_activate_mux+0xdc/0x268
[  553.677859][T11883]  gsmld_ioctl+0x16f0/0x2310
[  553.679109][T11883]  tty_ioctl+0x924/0xd8c
[  553.680325][T11883]  __arm64_sys_ioctl+0x14c/0x1c8
[  553.681664][T11883]  invoke_syscall+0x98/0x2b8
[  553.682968][T11883]  el0_svc_common+0x130/0x23c
[  553.684244][T11883]  do_el0_svc+0x48/0x58
[  553.685389][T11883]  el0_svc+0x58/0x16c
[  553.686433][T11883]  el0t_64_sync_handler+0x84/0xfc
[  553.687845][T11883]  el0t_64_sync+0x190/0x194
[  553.693956][T11883] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.698209][T11883] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  553.700671][T11883] CPU: 1 PID: 11883 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  553.703485][T11883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  553.706242][T11883] Call trace:
[  553.707120][T11883]  dump_backtrace+0x1b8/0x1e4
[  553.708415][T11883]  show_stack+0x2c/0x44
[  553.709601][T11883]  dump_stack_lvl+0xd0/0x124
[  553.710886][T11883]  dump_stack+0x1c/0x28
[  553.711980][T11883]  sysfs_create_dir_ns+0x278/0x318
[  553.713464][T11883]  kobject_add_internal+0x514/0xadc
[  553.714869][T11883]  kobject_add+0x14c/0x224
[  553.716122][T11883]  device_add+0x3a0/0xaac
[  553.717302][T11883]  device_register+0x28/0x38
[  553.718598][T11883]  tty_register_device_attr+0x3a4/0x7d4
[  553.720033][T11883]  tty_register_device+0x3c/0x50
[  553.721336][T11883]  gsm_activate_mux+0xdc/0x268
[  553.722637][T11883]  gsmld_ioctl+0x16f0/0x2310
[  553.723987][T11883]  tty_ioctl+0x924/0xd8c
[  553.725153][T11883]  __arm64_sys_ioctl+0x14c/0x1c8
[  553.726429][T11883]  invoke_syscall+0x98/0x2b8
[  553.727714][T11883]  el0_svc_common+0x130/0x23c
[  553.728982][T11883]  do_el0_svc+0x48/0x58
[  553.730104][T11883]  el0_svc+0x58/0x16c
[  553.731141][T11883]  el0t_64_sync_handler+0x84/0xfc
[  553.732401][T11883]  el0t_64_sync+0x190/0x194
[  553.735704][T11883] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.904343][T11886] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  553.907360][T11886] CPU: 1 PID: 11886 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  553.909959][T11886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  553.912451][T11886] Call trace:
[  553.913284][T11886]  dump_backtrace+0x1b8/0x1e4
[  553.914461][T11886]  show_stack+0x2c/0x44
[  553.915566][T11886]  dump_stack_lvl+0xd0/0x124
[  553.916764][T11886]  dump_stack+0x1c/0x28
[  553.917909][T11886]  sysfs_create_dir_ns+0x278/0x318
[  553.919215][T11886]  kobject_add_internal+0x514/0xadc
[  553.920677][T11886]  kobject_add+0x14c/0x224
[  553.921873][T11886]  device_add+0x3a0/0xaac
[  553.923125][T11886]  device_register+0x28/0x38
[  553.924419][T11886]  tty_register_device_attr+0x3a4/0x7d4
[  553.926016][T11886]  tty_register_device+0x3c/0x50
[  553.927387][T11886]  gsm_activate_mux+0xdc/0x268
[  553.928700][T11886]  gsmld_ioctl+0x16f0/0x2310
[  553.930077][T11886]  tty_ioctl+0x924/0xd8c
[  553.931255][T11886]  __arm64_sys_ioctl+0x14c/0x1c8
[  553.932559][T11886]  invoke_syscall+0x98/0x2b8
[  553.933728][T11886]  el0_svc_common+0x130/0x23c
[  553.934957][T11886]  do_el0_svc+0x48/0x58
[  553.936037][T11886]  el0_svc+0x58/0x16c
[  553.937102][T11886]  el0t_64_sync_handler+0x84/0xfc
[  553.938391][T11886]  el0t_64_sync+0x190/0x194
[  553.949235][T11886] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  554.520605][T11892] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  554.522931][T11892] CPU: 0 PID: 11892 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  554.525543][T11892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  554.528206][T11892] Call trace:
[  554.529064][T11892]  dump_backtrace+0x1b8/0x1e4
[  554.530323][T11892]  show_stack+0x2c/0x44
[  554.531364][T11892]  dump_stack_lvl+0xd0/0x124
[  554.532627][T11892]  dump_stack+0x1c/0x28
[  554.533736][T11892]  sysfs_create_dir_ns+0x278/0x318
[  554.535043][T11892]  kobject_add_internal+0x514/0xadc
[  554.536481][T11892]  kobject_add+0x14c/0x224
[  554.537749][T11892]  device_add+0x3a0/0xaac
[  554.538992][T11892]  device_register+0x28/0x38
[  554.540112][T11892]  tty_register_device_attr+0x3a4/0x7d4
[  554.541674][T11892]  tty_register_device+0x3c/0x50
[  554.542968][T11892]  gsm_activate_mux+0xdc/0x268
[  554.544283][T11892]  gsmld_ioctl+0x16f0/0x2310
[  554.545489][T11892]  tty_ioctl+0x924/0xd8c
[  554.546641][T11892]  __arm64_sys_ioctl+0x14c/0x1c8
[  554.548022][T11892]  invoke_syscall+0x98/0x2b8
[  554.549180][T11892]  el0_svc_common+0x130/0x23c
[  554.550466][T11892]  do_el0_svc+0x48/0x58
[  554.551499][T11892]  el0_svc+0x58/0x16c
[  554.552629][T11892]  el0t_64_sync_handler+0x84/0xfc
[  554.553986][T11892]  el0t_64_sync+0x190/0x194
[  554.561381][T11892] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  554.794696][T11895] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  554.796949][T11895] CPU: 1 PID: 11895 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  554.799490][T11895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  554.801889][T11895] Call trace:
[  554.802713][T11895]  dump_backtrace+0x1b8/0x1e4
[  554.803913][T11895]  show_stack+0x2c/0x44
[  554.805044][T11895]  dump_stack_lvl+0xd0/0x124
[  554.806255][T11895]  dump_stack+0x1c/0x28
[  554.807338][T11895]  sysfs_create_dir_ns+0x278/0x318
[  554.808819][T11895]  kobject_add_internal+0x514/0xadc
[  554.810307][T11895]  kobject_add+0x14c/0x224
[  554.811533][T11895]  device_add+0x3a0/0xaac
[  554.812590][T11895]  device_register+0x28/0x38
[  554.813858][T11895]  tty_register_device_attr+0x3a4/0x7d4
[  554.815369][T11895]  tty_register_device+0x3c/0x50
[  554.816715][T11895]  gsm_activate_mux+0xdc/0x268
[  554.818002][T11895]  gsmld_ioctl+0x16f0/0x2310
[  554.819238][T11895]  tty_ioctl+0x924/0xd8c
[  554.820327][T11895]  __arm64_sys_ioctl+0x14c/0x1c8
[  554.821764][T11895]  invoke_syscall+0x98/0x2b8
[  554.823033][T11895]  el0_svc_common+0x130/0x23c
[  554.824330][T11895]  do_el0_svc+0x48/0x58
[  554.825431][T11895]  el0_svc+0x58/0x16c
[  554.826539][T11895]  el0t_64_sync_handler+0x84/0xfc
[  554.827761][T11895]  el0t_64_sync+0x190/0x194
[  554.835956][T11895] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.044037][T11898] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.047115][T11898] CPU: 0 PID: 11898 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  555.049757][T11898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  555.052275][T11898] Call trace:
[  555.053132][T11898]  dump_backtrace+0x1b8/0x1e4
[  555.054311][T11898]  show_stack+0x2c/0x44
[  555.055468][T11898]  dump_stack_lvl+0xd0/0x124
[  555.056723][T11898]  dump_stack+0x1c/0x28
[  555.057890][T11898]  sysfs_create_dir_ns+0x278/0x318
[  555.059227][T11898]  kobject_add_internal+0x514/0xadc
[  555.060620][T11898]  kobject_add+0x14c/0x224
[  555.061779][T11898]  device_add+0x3a0/0xaac
[  555.062947][T11898]  device_register+0x28/0x38
[  555.064063][T11898]  tty_register_device_attr+0x3a4/0x7d4
[  555.065577][T11898]  tty_register_device+0x3c/0x50
[  555.066894][T11898]  gsm_activate_mux+0xdc/0x268
[  555.068103][T11898]  gsmld_ioctl+0x16f0/0x2310
[  555.069362][T11898]  tty_ioctl+0x924/0xd8c
[  555.070544][T11898]  __arm64_sys_ioctl+0x14c/0x1c8
[  555.071977][T11898]  invoke_syscall+0x98/0x2b8
[  555.073244][T11898]  el0_svc_common+0x130/0x23c
[  555.074498][T11898]  do_el0_svc+0x48/0x58
[  555.075663][T11898]  el0_svc+0x58/0x16c
[  555.076672][T11898]  el0t_64_sync_handler+0x84/0xfc
[  555.077971][T11898]  el0t_64_sync+0x190/0x194
[  555.090598][T11898] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.285254][T11901] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.289599][T11901] CPU: 0 PID: 11901 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  555.292350][T11901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  555.294951][T11901] Call trace:
[  555.295790][T11901]  dump_backtrace+0x1b8/0x1e4
[  555.297059][T11901]  show_stack+0x2c/0x44
[  555.298172][T11901]  dump_stack_lvl+0xd0/0x124
[  555.299420][T11901]  dump_stack+0x1c/0x28
[  555.300443][T11901]  sysfs_create_dir_ns+0x278/0x318
[  555.301920][T11901]  kobject_add_internal+0x514/0xadc
[  555.303273][T11901]  kobject_add+0x14c/0x224
[  555.304448][T11901]  device_add+0x3a0/0xaac
[  555.305633][T11901]  device_register+0x28/0x38
[  555.306855][T11901]  tty_register_device_attr+0x3a4/0x7d4
[  555.308372][T11901]  tty_register_device+0x3c/0x50
[  555.309678][T11901]  gsm_activate_mux+0xdc/0x268
[  555.310910][T11901]  gsmld_ioctl+0x16f0/0x2310
[  555.312186][T11901]  tty_ioctl+0x924/0xd8c
[  555.313363][T11901]  __arm64_sys_ioctl+0x14c/0x1c8
[  555.314732][T11901]  invoke_syscall+0x98/0x2b8
[  555.315945][T11901]  el0_svc_common+0x130/0x23c
[  555.317195][T11901]  do_el0_svc+0x48/0x58
[  555.318294][T11901]  el0_svc+0x58/0x16c
[  555.319358][T11901]  el0t_64_sync_handler+0x84/0xfc
[  555.320714][T11901]  el0t_64_sync+0x190/0x194
[  555.322768][T11901] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.329565][T11901] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.331739][T11901] CPU: 1 PID: 11901 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  555.334373][T11901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  555.337012][T11901] Call trace:
[  555.337912][T11901]  dump_backtrace+0x1b8/0x1e4
[  555.339257][T11901]  show_stack+0x2c/0x44
[  555.340356][T11901]  dump_stack_lvl+0xd0/0x124
[  555.341609][T11901]  dump_stack+0x1c/0x28
[  555.342733][T11901]  sysfs_create_dir_ns+0x278/0x318
[  555.344043][T11901]  kobject_add_internal+0x514/0xadc
[  555.345471][T11901]  kobject_add+0x14c/0x224
[  555.346732][T11901]  device_add+0x3a0/0xaac
[  555.347889][T11901]  device_register+0x28/0x38
[  555.349122][T11901]  tty_register_device_attr+0x3a4/0x7d4
[  555.350642][T11901]  tty_register_device+0x3c/0x50
[  555.351960][T11901]  gsm_activate_mux+0xdc/0x268
[  555.353262][T11901]  gsmld_ioctl+0x16f0/0x2310
[  555.354496][T11901]  tty_ioctl+0x924/0xd8c
[  555.355654][T11901]  __arm64_sys_ioctl+0x14c/0x1c8
[  555.356990][T11901]  invoke_syscall+0x98/0x2b8
[  555.358198][T11901]  el0_svc_common+0x130/0x23c
[  555.359487][T11901]  do_el0_svc+0x48/0x58
[  555.360650][T11901]  el0_svc+0x58/0x16c
[  555.361750][T11901]  el0t_64_sync_handler+0x84/0xfc
[  555.363252][T11901]  el0t_64_sync+0x190/0x194
[  555.375726][T11901] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.539615][T11904] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.541798][T11904] CPU: 0 PID: 11904 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  555.544476][T11904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  555.547025][T11904] Call trace:
[  555.547859][T11904]  dump_backtrace+0x1b8/0x1e4
[  555.549146][T11904]  show_stack+0x2c/0x44
[  555.550393][T11904]  dump_stack_lvl+0xd0/0x124
[  555.551754][T11904]  dump_stack+0x1c/0x28
[  555.552903][T11904]  sysfs_create_dir_ns+0x278/0x318
[  555.554392][T11904]  kobject_add_internal+0x514/0xadc
[  555.555806][T11904]  kobject_add+0x14c/0x224
[  555.556978][T11904]  device_add+0x3a0/0xaac
[  555.558090][T11904]  device_register+0x28/0x38
[  555.559319][T11904]  tty_register_device_attr+0x3a4/0x7d4
[  555.560863][T11904]  tty_register_device+0x3c/0x50
[  555.562198][T11904]  gsm_activate_mux+0xdc/0x268
[  555.563435][T11904]  gsmld_ioctl+0x16f0/0x2310
[  555.564716][T11904]  tty_ioctl+0x924/0xd8c
[  555.565905][T11904]  __arm64_sys_ioctl+0x14c/0x1c8
[  555.567265][T11904]  invoke_syscall+0x98/0x2b8
[  555.568515][T11904]  el0_svc_common+0x130/0x23c
[  555.569869][T11904]  do_el0_svc+0x48/0x58
[  555.571050][T11904]  el0_svc+0x58/0x16c
[  555.572158][T11904]  el0t_64_sync_handler+0x84/0xfc
[  555.573424][T11904]  el0t_64_sync+0x190/0x194
[  555.577323][T11904] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.581906][T11904] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.584279][T11904] CPU: 0 PID: 11904 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  555.587052][T11904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  555.589901][T11904] Call trace:
[  555.590768][T11904]  dump_backtrace+0x1b8/0x1e4
[  555.592059][T11904]  show_stack+0x2c/0x44
[  555.593231][T11904]  dump_stack_lvl+0xd0/0x124
[  555.594506][T11904]  dump_stack+0x1c/0x28
[  555.595699][T11904]  sysfs_create_dir_ns+0x278/0x318
[  555.597077][T11904]  kobject_add_internal+0x514/0xadc
[  555.598553][T11904]  kobject_add+0x14c/0x224
[  555.599695][T11904]  device_add+0x3a0/0xaac
[  555.600871][T11904]  device_register+0x28/0x38
[  555.602115][T11904]  tty_register_device_attr+0x3a4/0x7d4
[  555.603689][T11904]  tty_register_device+0x3c/0x50
[  555.604994][T11904]  gsm_activate_mux+0xdc/0x268
[  555.606318][T11904]  gsmld_ioctl+0x16f0/0x2310
[  555.607601][T11904]  tty_ioctl+0x924/0xd8c
[  555.608760][T11904]  __arm64_sys_ioctl+0x14c/0x1c8
[  555.610040][T11904]  invoke_syscall+0x98/0x2b8
[  555.611298][T11904]  el0_svc_common+0x130/0x23c
[  555.612484][T11904]  do_el0_svc+0x48/0x58
[  555.613642][T11904]  el0_svc+0x58/0x16c
[  555.614741][T11904]  el0t_64_sync_handler+0x84/0xfc
[  555.616120][T11904]  el0t_64_sync+0x190/0x194
[  555.620237][T11904] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.798152][T11907] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.800311][T11907] CPU: 0 PID: 11907 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  555.803069][T11907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  555.805721][T11907] Call trace:
[  555.806596][T11907]  dump_backtrace+0x1b8/0x1e4
[  555.807775][T11907]  show_stack+0x2c/0x44
[  555.808981][T11907]  dump_stack_lvl+0xd0/0x124
[  555.810240][T11907]  dump_stack+0x1c/0x28
[  555.811411][T11907]  sysfs_create_dir_ns+0x278/0x318
[  555.812940][T11907]  kobject_add_internal+0x514/0xadc
[  555.814341][T11907]  kobject_add+0x14c/0x224
[  555.815638][T11907]  device_add+0x3a0/0xaac
[  555.816887][T11907]  device_register+0x28/0x38
[  555.818156][T11907]  tty_register_device_attr+0x3a4/0x7d4
[  555.819734][T11907]  tty_register_device+0x3c/0x50
[  555.821076][T11907]  gsm_activate_mux+0xdc/0x268
[  555.822415][T11907]  gsmld_ioctl+0x16f0/0x2310
[  555.823659][T11907]  tty_ioctl+0x924/0xd8c
[  555.824873][T11907]  __arm64_sys_ioctl+0x14c/0x1c8
[  555.826257][T11907]  invoke_syscall+0x98/0x2b8
[  555.827497][T11907]  el0_svc_common+0x130/0x23c
[  555.828786][T11907]  do_el0_svc+0x48/0x58
[  555.829851][T11907]  el0_svc+0x58/0x16c
[  555.830987][T11907]  el0t_64_sync_handler+0x84/0xfc
[  555.832384][T11907]  el0t_64_sync+0x190/0x194
[  555.837379][T11907] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.841797][T11907] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  555.844287][T11907] CPU: 0 PID: 11907 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  555.847056][T11907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  555.849726][T11907] Call trace:
[  555.850627][T11907]  dump_backtrace+0x1b8/0x1e4
[  555.851912][T11907]  show_stack+0x2c/0x44
[  555.853024][T11907]  dump_stack_lvl+0xd0/0x124
[  555.854290][T11907]  dump_stack+0x1c/0x28
[  555.855417][T11907]  sysfs_create_dir_ns+0x278/0x318
[  555.856810][T11907]  kobject_add_internal+0x514/0xadc
[  555.858313][T11907]  kobject_add+0x14c/0x224
[  555.859522][T11907]  device_add+0x3a0/0xaac
[  555.860815][T11907]  device_register+0x28/0x38
[  555.862049][T11907]  tty_register_device_attr+0x3a4/0x7d4
[  555.863610][T11907]  tty_register_device+0x3c/0x50
[  555.864926][T11907]  gsm_activate_mux+0xdc/0x268
[  555.866236][T11907]  gsmld_ioctl+0x16f0/0x2310
[  555.867526][T11907]  tty_ioctl+0x924/0xd8c
[  555.868650][T11907]  __arm64_sys_ioctl+0x14c/0x1c8
[  555.870050][T11907]  invoke_syscall+0x98/0x2b8
[  555.871403][T11907]  el0_svc_common+0x130/0x23c
[  555.872659][T11907]  do_el0_svc+0x48/0x58
[  555.873810][T11907]  el0_svc+0x58/0x16c
[  555.874932][T11907]  el0t_64_sync_handler+0x84/0xfc
[  555.876279][T11907]  el0t_64_sync+0x190/0x194
[  555.878851][T11907] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.016477][ T2174] ieee802154 phy0 wpan0: encryption failed: -22
[  556.018124][ T2174] ieee802154 phy1 wpan1: encryption failed: -22
[  556.063540][T11910] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.065876][T11910] CPU: 1 PID: 11910 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  556.068481][T11910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  556.071005][T11910] Call trace:
[  556.071811][T11910]  dump_backtrace+0x1b8/0x1e4
[  556.073039][T11910]  show_stack+0x2c/0x44
[  556.074220][T11910]  dump_stack_lvl+0xd0/0x124
[  556.075402][T11910]  dump_stack+0x1c/0x28
[  556.076529][T11910]  sysfs_create_dir_ns+0x278/0x318
[  556.077942][T11910]  kobject_add_internal+0x514/0xadc
[  556.079370][T11910]  kobject_add+0x14c/0x224
[  556.080536][T11910]  device_add+0x3a0/0xaac
[  556.081776][T11910]  device_register+0x28/0x38
[  556.083112][T11910]  tty_register_device_attr+0x3a4/0x7d4
[  556.084677][T11910]  tty_register_device+0x3c/0x50
[  556.085980][T11910]  gsm_activate_mux+0xdc/0x268
[  556.087306][T11910]  gsmld_ioctl+0x16f0/0x2310
[  556.088524][T11910]  tty_ioctl+0x924/0xd8c
[  556.089695][T11910]  __arm64_sys_ioctl+0x14c/0x1c8
[  556.091023][T11910]  invoke_syscall+0x98/0x2b8
[  556.092304][T11910]  el0_svc_common+0x130/0x23c
[  556.093631][T11910]  do_el0_svc+0x48/0x58
[  556.094709][T11910]  el0_svc+0x58/0x16c
[  556.095767][T11910]  el0t_64_sync_handler+0x84/0xfc
[  556.097139][T11910]  el0t_64_sync+0x190/0x194
[  556.102405][T11910] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.107512][T11910] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.109657][T11910] CPU: 1 PID: 11910 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  556.112309][T11910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  556.114954][T11910] Call trace:
[  556.115750][T11910]  dump_backtrace+0x1b8/0x1e4
[  556.117053][T11910]  show_stack+0x2c/0x44
[  556.118270][T11910]  dump_stack_lvl+0xd0/0x124
[  556.119521][T11910]  dump_stack+0x1c/0x28
[  556.120727][T11910]  sysfs_create_dir_ns+0x278/0x318
[  556.122134][T11910]  kobject_add_internal+0x514/0xadc
[  556.123534][T11910]  kobject_add+0x14c/0x224
[  556.124688][T11910]  device_add+0x3a0/0xaac
[  556.125912][T11910]  device_register+0x28/0x38
[  556.127113][T11910]  tty_register_device_attr+0x3a4/0x7d4
[  556.128595][T11910]  tty_register_device+0x3c/0x50
[  556.129873][T11910]  gsm_activate_mux+0xdc/0x268
[  556.131130][T11910]  gsmld_ioctl+0x16f0/0x2310
[  556.132371][T11910]  tty_ioctl+0x924/0xd8c
[  556.133467][T11910]  __arm64_sys_ioctl+0x14c/0x1c8
[  556.134770][T11910]  invoke_syscall+0x98/0x2b8
[  556.135976][T11910]  el0_svc_common+0x130/0x23c
[  556.137265][T11910]  do_el0_svc+0x48/0x58
[  556.138369][T11910]  el0_svc+0x58/0x16c
[  556.139471][T11910]  el0t_64_sync_handler+0x84/0xfc
[  556.140871][T11910]  el0t_64_sync+0x190/0x194
[  556.150244][T11910] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.341828][T11913] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.344322][T11913] CPU: 0 PID: 11913 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  556.347121][T11913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  556.349730][T11913] Call trace:
[  556.350590][T11913]  dump_backtrace+0x1b8/0x1e4
[  556.351857][T11913]  show_stack+0x2c/0x44
[  556.353048][T11913]  dump_stack_lvl+0xd0/0x124
[  556.354243][T11913]  dump_stack+0x1c/0x28
[  556.355360][T11913]  sysfs_create_dir_ns+0x278/0x318
[  556.356805][T11913]  kobject_add_internal+0x514/0xadc
[  556.358334][T11913]  kobject_add+0x14c/0x224
[  556.359525][T11913]  device_add+0x3a0/0xaac
[  556.360746][T11913]  device_register+0x28/0x38
[  556.361986][T11913]  tty_register_device_attr+0x3a4/0x7d4
[  556.363593][T11913]  tty_register_device+0x3c/0x50
[  556.364931][T11913]  gsm_activate_mux+0xdc/0x268
[  556.366167][T11913]  gsmld_ioctl+0x16f0/0x2310
[  556.367354][T11913]  tty_ioctl+0x924/0xd8c
[  556.368505][T11913]  __arm64_sys_ioctl+0x14c/0x1c8
[  556.369774][T11913]  invoke_syscall+0x98/0x2b8
[  556.370998][T11913]  el0_svc_common+0x130/0x23c
[  556.372334][T11913]  do_el0_svc+0x48/0x58
[  556.373491][T11913]  el0_svc+0x58/0x16c
[  556.374565][T11913]  el0t_64_sync_handler+0x84/0xfc
[  556.375980][T11913]  el0t_64_sync+0x190/0x194
[  556.381596][T11913] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.387616][T11913] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.390596][T11913] CPU: 0 PID: 11913 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  556.393409][T11913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  556.396079][T11913] Call trace:
[  556.396961][T11913]  dump_backtrace+0x1b8/0x1e4
[  556.398233][T11913]  show_stack+0x2c/0x44
[  556.399359][T11913]  dump_stack_lvl+0xd0/0x124
[  556.400603][T11913]  dump_stack+0x1c/0x28
[  556.401752][T11913]  sysfs_create_dir_ns+0x278/0x318
[  556.403144][T11913]  kobject_add_internal+0x514/0xadc
[  556.404534][T11913]  kobject_add+0x14c/0x224
[  556.405757][T11913]  device_add+0x3a0/0xaac
[  556.406943][T11913]  device_register+0x28/0x38
[  556.408168][T11913]  tty_register_device_attr+0x3a4/0x7d4
[  556.409643][T11913]  tty_register_device+0x3c/0x50
[  556.410931][T11913]  gsm_activate_mux+0xdc/0x268
[  556.412229][T11913]  gsmld_ioctl+0x16f0/0x2310
[  556.413554][T11913]  tty_ioctl+0x924/0xd8c
[  556.414751][T11913]  __arm64_sys_ioctl+0x14c/0x1c8
[  556.416226][T11913]  invoke_syscall+0x98/0x2b8
[  556.417563][T11913]  el0_svc_common+0x130/0x23c
[  556.418833][T11913]  do_el0_svc+0x48/0x58
[  556.419915][T11913]  el0_svc+0x58/0x16c
[  556.421050][T11913]  el0t_64_sync_handler+0x84/0xfc
[  556.422475][T11913]  el0t_64_sync+0x190/0x194
[  556.427473][T11913] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.591274][T11916] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.593432][T11916] CPU: 1 PID: 11916 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  556.596113][T11916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  556.598701][T11916] Call trace:
[  556.599565][T11916]  dump_backtrace+0x1b8/0x1e4
[  556.600805][T11916]  show_stack+0x2c/0x44
[  556.601999][T11916]  dump_stack_lvl+0xd0/0x124
[  556.603260][T11916]  dump_stack+0x1c/0x28
[  556.604360][T11916]  sysfs_create_dir_ns+0x278/0x318
[  556.605686][T11916]  kobject_add_internal+0x514/0xadc
[  556.607098][T11916]  kobject_add+0x14c/0x224
[  556.608209][T11916]  device_add+0x3a0/0xaac
[  556.609375][T11916]  device_register+0x28/0x38
[  556.610660][T11916]  tty_register_device_attr+0x3a4/0x7d4
[  556.612257][T11916]  tty_register_device+0x3c/0x50
[  556.613642][T11916]  gsm_activate_mux+0xdc/0x268
[  556.614901][T11916]  gsmld_ioctl+0x16f0/0x2310
[  556.616067][T11916]  tty_ioctl+0x924/0xd8c
[  556.617212][T11916]  __arm64_sys_ioctl+0x14c/0x1c8
[  556.618553][T11916]  invoke_syscall+0x98/0x2b8
[  556.619835][T11916]  el0_svc_common+0x130/0x23c
[  556.621096][T11916]  do_el0_svc+0x48/0x58
[  556.622254][T11916]  el0_svc+0x58/0x16c
[  556.623314][T11916]  el0t_64_sync_handler+0x84/0xfc
[  556.624684][T11916]  el0t_64_sync+0x190/0x194
[  556.634773][T11916] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.838900][T11919] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  556.840970][T11919] CPU: 0 PID: 11919 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  556.843480][T11919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  556.845879][T11919] Call trace:
[  556.846725][T11919]  dump_backtrace+0x1b8/0x1e4
[  556.847933][T11919]  show_stack+0x2c/0x44
[  556.849058][T11919]  dump_stack_lvl+0xd0/0x124
[  556.850310][T11919]  dump_stack+0x1c/0x28
[  556.851520][T11919]  sysfs_create_dir_ns+0x278/0x318
[  556.852785][T11919]  kobject_add_internal+0x514/0xadc
[  556.854136][T11919]  kobject_add+0x14c/0x224
[  556.855390][T11919]  device_add+0x3a0/0xaac
[  556.856555][T11919]  device_register+0x28/0x38
[  556.857803][T11919]  tty_register_device_attr+0x3a4/0x7d4
[  556.859268][T11919]  tty_register_device+0x3c/0x50
[  556.860566][T11919]  gsm_activate_mux+0xdc/0x268
[  556.861910][T11919]  gsmld_ioctl+0x16f0/0x2310
[  556.863122][T11919]  tty_ioctl+0x924/0xd8c
[  556.864183][T11919]  __arm64_sys_ioctl+0x14c/0x1c8
[  556.865463][T11919]  invoke_syscall+0x98/0x2b8
[  556.866670][T11919]  el0_svc_common+0x130/0x23c
[  556.867975][T11919]  do_el0_svc+0x48/0x58
[  556.869115][T11919]  el0_svc+0x58/0x16c
[  556.870201][T11919]  el0t_64_sync_handler+0x84/0xfc
[  556.871557][T11919]  el0t_64_sync+0x190/0x194
[  556.883997][T11919] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.070446][T11922] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  557.072619][T11922] CPU: 0 PID: 11922 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  557.075087][T11922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  557.077739][T11922] Call trace:
[  557.078605][T11922]  dump_backtrace+0x1b8/0x1e4
[  557.079832][T11922]  show_stack+0x2c/0x44
[  557.080960][T11922]  dump_stack_lvl+0xd0/0x124
[  557.082208][T11922]  dump_stack+0x1c/0x28
[  557.083370][T11922]  sysfs_create_dir_ns+0x278/0x318
[  557.084731][T11922]  kobject_add_internal+0x514/0xadc
[  557.086276][T11922]  kobject_add+0x14c/0x224
[  557.087506][T11922]  device_add+0x3a0/0xaac
[  557.088698][T11922]  device_register+0x28/0x38
[  557.089909][T11922]  tty_register_device_attr+0x3a4/0x7d4
[  557.091372][T11922]  tty_register_device+0x3c/0x50
[  557.092661][T11922]  gsm_activate_mux+0xdc/0x268
[  557.093972][T11922]  gsmld_ioctl+0x16f0/0x2310
[  557.095247][T11922]  tty_ioctl+0x924/0xd8c
[  557.096394][T11922]  __arm64_sys_ioctl+0x14c/0x1c8
[  557.097709][T11922]  invoke_syscall+0x98/0x2b8
[  557.098982][T11922]  el0_svc_common+0x130/0x23c
[  557.100249][T11922]  do_el0_svc+0x48/0x58
[  557.101407][T11922]  el0_svc+0x58/0x16c
[  557.102458][T11922]  el0t_64_sync_handler+0x84/0xfc
[  557.103804][T11922]  el0t_64_sync+0x190/0x194
[  557.116131][T11922] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.303859][T11925] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  557.306475][T11925] CPU: 0 PID: 11925 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  557.309226][T11925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  557.311848][T11925] Call trace:
[  557.312712][T11925]  dump_backtrace+0x1b8/0x1e4
[  557.314006][T11925]  show_stack+0x2c/0x44
[  557.315078][T11925]  dump_stack_lvl+0xd0/0x124
[  557.316320][T11925]  dump_stack+0x1c/0x28
[  557.317423][T11925]  sysfs_create_dir_ns+0x278/0x318
[  557.318830][T11925]  kobject_add_internal+0x514/0xadc
[  557.320339][T11925]  kobject_add+0x14c/0x224
[  557.321527][T11925]  device_add+0x3a0/0xaac
[  557.322766][T11925]  device_register+0x28/0x38
[  557.324092][T11925]  tty_register_device_attr+0x3a4/0x7d4
[  557.325591][T11925]  tty_register_device+0x3c/0x50
[  557.326932][T11925]  gsm_activate_mux+0xdc/0x268
[  557.328146][T11925]  gsmld_ioctl+0x16f0/0x2310
[  557.329488][T11925]  tty_ioctl+0x924/0xd8c
[  557.330667][T11925]  __arm64_sys_ioctl+0x14c/0x1c8
[  557.331957][T11925]  invoke_syscall+0x98/0x2b8
[  557.333251][T11925]  el0_svc_common+0x130/0x23c
[  557.334551][T11925]  do_el0_svc+0x48/0x58
[  557.335675][T11925]  el0_svc+0x58/0x16c
[  557.336786][T11925]  el0t_64_sync_handler+0x84/0xfc
[  557.338110][T11925]  el0t_64_sync+0x190/0x194
[  557.343838][T11925] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.348832][T11925] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  557.352967][T11925] CPU: 0 PID: 11925 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  557.355775][T11925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  557.358460][T11925] Call trace:
[  557.359270][T11925]  dump_backtrace+0x1b8/0x1e4
[  557.360501][T11925]  show_stack+0x2c/0x44
[  557.361584][T11925]  dump_stack_lvl+0xd0/0x124
[  557.362795][T11925]  dump_stack+0x1c/0x28
[  557.363882][T11925]  sysfs_create_dir_ns+0x278/0x318
[  557.365267][T11925]  kobject_add_internal+0x514/0xadc
[  557.366672][T11925]  kobject_add+0x14c/0x224
[  557.367901][T11925]  device_add+0x3a0/0xaac
[  557.368991][T11925]  device_register+0x28/0x38
[  557.370217][T11925]  tty_register_device_attr+0x3a4/0x7d4
[  557.371654][T11925]  tty_register_device+0x3c/0x50
[  557.372907][T11925]  gsm_activate_mux+0xdc/0x268
[  557.374176][T11925]  gsmld_ioctl+0x16f0/0x2310
[  557.375393][T11925]  tty_ioctl+0x924/0xd8c
[  557.376582][T11925]  __arm64_sys_ioctl+0x14c/0x1c8
[  557.377902][T11925]  invoke_syscall+0x98/0x2b8
[  557.379221][T11925]  el0_svc_common+0x130/0x23c
[  557.380498][T11925]  do_el0_svc+0x48/0x58
[  557.381557][T11925]  el0_svc+0x58/0x16c
[  557.382666][T11925]  el0t_64_sync_handler+0x84/0xfc
[  557.383978][T11925]  el0t_64_sync+0x190/0x194
[  557.395498][T11925] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.566895][T11928] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  557.571310][T11928] CPU: 1 PID: 11928 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  557.574103][T11928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  557.576810][T11928] Call trace:
[  557.577735][T11928]  dump_backtrace+0x1b8/0x1e4
[  557.578969][T11928]  show_stack+0x2c/0x44
[  557.580049][T11928]  dump_stack_lvl+0xd0/0x124
[  557.581292][T11928]  dump_stack+0x1c/0x28
[  557.582459][T11928]  sysfs_create_dir_ns+0x278/0x318
[  557.583797][T11928]  kobject_add_internal+0x514/0xadc
[  557.585246][T11928]  kobject_add+0x14c/0x224
[  557.586476][T11928]  device_add+0x3a0/0xaac
[  557.587688][T11928]  device_register+0x28/0x38
[  557.588864][T11928]  tty_register_device_attr+0x3a4/0x7d4
[  557.590424][T11928]  tty_register_device+0x3c/0x50
[  557.591789][T11928]  gsm_activate_mux+0xdc/0x268
[  557.593118][T11928]  gsmld_ioctl+0x16f0/0x2310
[  557.594368][T11928]  tty_ioctl+0x924/0xd8c
[  557.595551][T11928]  __arm64_sys_ioctl+0x14c/0x1c8
[  557.596935][T11928]  invoke_syscall+0x98/0x2b8
[  557.598204][T11928]  el0_svc_common+0x130/0x23c
[  557.599512][T11928]  do_el0_svc+0x48/0x58
[  557.600644][T11928]  el0_svc+0x58/0x16c
[  557.601766][T11928]  el0t_64_sync_handler+0x84/0xfc
[  557.603164][T11928]  el0t_64_sync+0x190/0x194
[  557.605765][T11928] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.610387][T11928] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  557.612824][T11928] CPU: 1 PID: 11928 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  557.615533][T11928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  557.618127][T11928] Call trace:
[  557.618970][T11928]  dump_backtrace+0x1b8/0x1e4
[  557.620193][T11928]  show_stack+0x2c/0x44
[  557.621277][T11928]  dump_stack_lvl+0xd0/0x124
[  557.622507][T11928]  dump_stack+0x1c/0x28
[  557.623627][T11928]  sysfs_create_dir_ns+0x278/0x318
[  557.625067][T11928]  kobject_add_internal+0x514/0xadc
[  557.626476][T11928]  kobject_add+0x14c/0x224
[  557.627680][T11928]  device_add+0x3a0/0xaac
[  557.628844][T11928]  device_register+0x28/0x38
[  557.630133][T11928]  tty_register_device_attr+0x3a4/0x7d4
[  557.631639][T11928]  tty_register_device+0x3c/0x50
[  557.632968][T11928]  gsm_activate_mux+0xdc/0x268
[  557.634245][T11928]  gsmld_ioctl+0x16f0/0x2310
[  557.635532][T11928]  tty_ioctl+0x924/0xd8c
[  557.636695][T11928]  __arm64_sys_ioctl+0x14c/0x1c8
[  557.637978][T11928]  invoke_syscall+0x98/0x2b8
[  557.639302][T11928]  el0_svc_common+0x130/0x23c
[  557.640624][T11928]  do_el0_svc+0x48/0x58
[  557.641715][T11928]  el0_svc+0x58/0x16c
[  557.642753][T11928]  el0t_64_sync_handler+0x84/0xfc
[  557.644143][T11928]  el0t_64_sync+0x190/0x194
[  557.646204][T11928] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.820299][T11931] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  557.822489][T11931] CPU: 0 PID: 11931 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  557.825114][T11931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  557.827619][T11931] Call trace:
[  557.828413][T11931]  dump_backtrace+0x1b8/0x1e4
[  557.829631][T11931]  show_stack+0x2c/0x44
[  557.830742][T11931]  dump_stack_lvl+0xd0/0x124
[  557.831888][T11931]  dump_stack+0x1c/0x28
[  557.833108][T11931]  sysfs_create_dir_ns+0x278/0x318
[  557.834453][T11931]  kobject_add_internal+0x514/0xadc
[  557.835886][T11931]  kobject_add+0x14c/0x224
[  557.837055][T11931]  device_add+0x3a0/0xaac
[  557.838177][T11931]  device_register+0x28/0x38
[  557.839352][T11931]  tty_register_device_attr+0x3a4/0x7d4
[  557.840830][T11931]  tty_register_device+0x3c/0x50
[  557.842194][T11931]  gsm_activate_mux+0xdc/0x268
[  557.843490][T11931]  gsmld_ioctl+0x16f0/0x2310
[  557.844822][T11931]  tty_ioctl+0x924/0xd8c
[  557.846011][T11931]  __arm64_sys_ioctl+0x14c/0x1c8
[  557.847375][T11931]  invoke_syscall+0x98/0x2b8
[  557.848695][T11931]  el0_svc_common+0x130/0x23c
[  557.849985][T11931]  do_el0_svc+0x48/0x58
[  557.851102][T11931]  el0_svc+0x58/0x16c
[  557.852148][T11931]  el0t_64_sync_handler+0x84/0xfc
[  557.853448][T11931]  el0t_64_sync+0x190/0x194
[  557.860129][T11931] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.058517][T11934] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  558.060616][T11934] CPU: 0 PID: 11934 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  558.063184][T11934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  558.065781][T11934] Call trace:
[  558.066665][T11934]  dump_backtrace+0x1b8/0x1e4
[  558.067894][T11934]  show_stack+0x2c/0x44
[  558.069012][T11934]  dump_stack_lvl+0xd0/0x124
[  558.070287][T11934]  dump_stack+0x1c/0x28
[  558.071459][T11934]  sysfs_create_dir_ns+0x278/0x318
[  558.072890][T11934]  kobject_add_internal+0x514/0xadc
[  558.074323][T11934]  kobject_add+0x14c/0x224
[  558.075605][T11934]  device_add+0x3a0/0xaac
[  558.076712][T11934]  device_register+0x28/0x38
[  558.077965][T11934]  tty_register_device_attr+0x3a4/0x7d4
[  558.079451][T11934]  tty_register_device+0x3c/0x50
[  558.080785][T11934]  gsm_activate_mux+0xdc/0x268
[  558.082021][T11934]  gsmld_ioctl+0x16f0/0x2310
[  558.083229][T11934]  tty_ioctl+0x924/0xd8c
[  558.084398][T11934]  __arm64_sys_ioctl+0x14c/0x1c8
[  558.085840][T11934]  invoke_syscall+0x98/0x2b8
[  558.087038][T11934]  el0_svc_common+0x130/0x23c
[  558.088283][T11934]  do_el0_svc+0x48/0x58
[  558.089454][T11934]  el0_svc+0x58/0x16c
[  558.090521][T11934]  el0t_64_sync_handler+0x84/0xfc
[  558.091910][T11934]  el0t_64_sync+0x190/0x194
[  558.101236][T11934] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.296971][T11937] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  558.299045][T11937] CPU: 1 PID: 11937 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  558.301565][T11937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  558.304126][T11937] Call trace:
[  558.304951][T11937]  dump_backtrace+0x1b8/0x1e4
[  558.306168][T11937]  show_stack+0x2c/0x44
[  558.307251][T11937]  dump_stack_lvl+0xd0/0x124
[  558.308536][T11937]  dump_stack+0x1c/0x28
[  558.309652][T11937]  sysfs_create_dir_ns+0x278/0x318
[  558.311010][T11937]  kobject_add_internal+0x514/0xadc
[  558.312322][T11937]  kobject_add+0x14c/0x224
[  558.313628][T11937]  device_add+0x3a0/0xaac
[  558.314862][T11937]  device_register+0x28/0x38
[  558.316067][T11937]  tty_register_device_attr+0x3a4/0x7d4
[  558.317632][T11937]  tty_register_device+0x3c/0x50
[  558.318932][T11937]  gsm_activate_mux+0xdc/0x268
[  558.320180][T11937]  gsmld_ioctl+0x16f0/0x2310
[  558.321419][T11937]  tty_ioctl+0x924/0xd8c
[  558.322556][T11937]  __arm64_sys_ioctl+0x14c/0x1c8
[  558.323878][T11937]  invoke_syscall+0x98/0x2b8
[  558.325089][T11937]  el0_svc_common+0x130/0x23c
[  558.326361][T11937]  do_el0_svc+0x48/0x58
[  558.327451][T11937]  el0_svc+0x58/0x16c
[  558.328508][T11937]  el0t_64_sync_handler+0x84/0xfc
[  558.329827][T11937]  el0t_64_sync+0x190/0x194
[  558.338112][T11937] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.529322][T11940] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  558.535662][T11940] CPU: 1 PID: 11940 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  558.538204][T11940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  558.540736][T11940] Call trace:
[  558.541563][T11940]  dump_backtrace+0x1b8/0x1e4
[  558.542790][T11940]  show_stack+0x2c/0x44
[  558.543877][T11940]  dump_stack_lvl+0xd0/0x124
[  558.545072][T11940]  dump_stack+0x1c/0x28
[  558.546246][T11940]  sysfs_create_dir_ns+0x278/0x318
[  558.547601][T11940]  kobject_add_internal+0x514/0xadc
[  558.549073][T11940]  kobject_add+0x14c/0x224
[  558.550249][T11940]  device_add+0x3a0/0xaac
[  558.551422][T11940]  device_register+0x28/0x38
[  558.552588][T11940]  tty_register_device_attr+0x3a4/0x7d4
[  558.554118][T11940]  tty_register_device+0x3c/0x50
[  558.555409][T11940]  gsm_activate_mux+0xdc/0x268
[  558.556710][T11940]  gsmld_ioctl+0x16f0/0x2310
[  558.557932][T11940]  tty_ioctl+0x924/0xd8c
[  558.558963][T11940]  __arm64_sys_ioctl+0x14c/0x1c8
[  558.560316][T11940]  invoke_syscall+0x98/0x2b8
[  558.561495][T11940]  el0_svc_common+0x130/0x23c
[  558.562777][T11940]  do_el0_svc+0x48/0x58
[  558.563854][T11940]  el0_svc+0x58/0x16c
[  558.564915][T11940]  el0t_64_sync_handler+0x84/0xfc
[  558.566227][T11940]  el0t_64_sync+0x190/0x194
[  558.576982][T11940] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.767358][T11943] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  558.769599][T11943] CPU: 1 PID: 11943 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  558.772137][T11943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  558.774638][T11943] Call trace:
[  558.775458][T11943]  dump_backtrace+0x1b8/0x1e4
[  558.776735][T11943]  show_stack+0x2c/0x44
[  558.777805][T11943]  dump_stack_lvl+0xd0/0x124
[  558.779155][T11943]  dump_stack+0x1c/0x28
[  558.780213][T11943]  sysfs_create_dir_ns+0x278/0x318
[  558.781625][T11943]  kobject_add_internal+0x514/0xadc
[  558.783029][T11943]  kobject_add+0x14c/0x224
[  558.784207][T11943]  device_add+0x3a0/0xaac
[  558.785282][T11943]  device_register+0x28/0x38
[  558.786590][T11943]  tty_register_device_attr+0x3a4/0x7d4
[  558.788173][T11943]  tty_register_device+0x3c/0x50
[  558.789408][T11943]  gsm_activate_mux+0xdc/0x268
[  558.790792][T11943]  gsmld_ioctl+0x16f0/0x2310
[  558.792098][T11943]  tty_ioctl+0x924/0xd8c
[  558.793232][T11943]  __arm64_sys_ioctl+0x14c/0x1c8
[  558.794497][T11943]  invoke_syscall+0x98/0x2b8
[  558.795807][T11943]  el0_svc_common+0x130/0x23c
[  558.797095][T11943]  do_el0_svc+0x48/0x58
[  558.798277][T11943]  el0_svc+0x58/0x16c
[  558.799314][T11943]  el0t_64_sync_handler+0x84/0xfc
[  558.800700][T11943]  el0t_64_sync+0x190/0x194
[  558.810970][T11943] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.006420][T11946] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.011189][T11946] CPU: 1 PID: 11946 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  559.013963][T11946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  559.016688][T11946] Call trace:
[  559.017530][T11946]  dump_backtrace+0x1b8/0x1e4
[  559.018775][T11946]  show_stack+0x2c/0x44
[  559.019875][T11946]  dump_stack_lvl+0xd0/0x124
[  559.021107][T11946]  dump_stack+0x1c/0x28
[  559.022346][T11946]  sysfs_create_dir_ns+0x278/0x318
[  559.023737][T11946]  kobject_add_internal+0x514/0xadc
[  559.025180][T11946]  kobject_add+0x14c/0x224
[  559.026340][T11946]  device_add+0x3a0/0xaac
[  559.027499][T11946]  device_register+0x28/0x38
[  559.028763][T11946]  tty_register_device_attr+0x3a4/0x7d4
[  559.030294][T11946]  tty_register_device+0x3c/0x50
[  559.031633][T11946]  gsm_activate_mux+0xdc/0x268
[  559.032839][T11946]  gsmld_ioctl+0x16f0/0x2310
[  559.034099][T11946]  tty_ioctl+0x924/0xd8c
[  559.035202][T11946]  __arm64_sys_ioctl+0x14c/0x1c8
[  559.036527][T11946]  invoke_syscall+0x98/0x2b8
[  559.037881][T11946]  el0_svc_common+0x130/0x23c
[  559.039134][T11946]  do_el0_svc+0x48/0x58
[  559.040256][T11946]  el0_svc+0x58/0x16c
[  559.041381][T11946]  el0t_64_sync_handler+0x84/0xfc
[  559.042745][T11946]  el0t_64_sync+0x190/0x194
[  559.046174][T11946] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.249768][T11949] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.251874][T11949] CPU: 0 PID: 11949 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  559.254490][T11949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  559.257135][T11949] Call trace:
[  559.257968][T11949]  dump_backtrace+0x1b8/0x1e4
[  559.259216][T11949]  show_stack+0x2c/0x44
[  559.260286][T11949]  dump_stack_lvl+0xd0/0x124
[  559.261499][T11949]  dump_stack+0x1c/0x28
[  559.262602][T11949]  sysfs_create_dir_ns+0x278/0x318
[  559.264011][T11949]  kobject_add_internal+0x514/0xadc
[  559.265380][T11949]  kobject_add+0x14c/0x224
[  559.266635][T11949]  device_add+0x3a0/0xaac
[  559.267825][T11949]  device_register+0x28/0x38
[  559.269062][T11949]  tty_register_device_attr+0x3a4/0x7d4
[  559.270509][T11949]  tty_register_device+0x3c/0x50
[  559.271880][T11949]  gsm_activate_mux+0xdc/0x268
[  559.273192][T11949]  gsmld_ioctl+0x16f0/0x2310
[  559.274328][T11949]  tty_ioctl+0x924/0xd8c
[  559.275482][T11949]  __arm64_sys_ioctl+0x14c/0x1c8
[  559.276797][T11949]  invoke_syscall+0x98/0x2b8
[  559.278042][T11949]  el0_svc_common+0x130/0x23c
[  559.279379][T11949]  do_el0_svc+0x48/0x58
[  559.280578][T11949]  el0_svc+0x58/0x16c
[  559.281635][T11949]  el0t_64_sync_handler+0x84/0xfc
[  559.282960][T11949]  el0t_64_sync+0x190/0x194
[  559.290802][T11949] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.493498][T11952] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.496011][T11952] CPU: 1 PID: 11952 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  559.498696][T11952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  559.501225][T11952] Call trace:
[  559.502080][T11952]  dump_backtrace+0x1b8/0x1e4
[  559.503387][T11952]  show_stack+0x2c/0x44
[  559.504474][T11952]  dump_stack_lvl+0xd0/0x124
[  559.505802][T11952]  dump_stack+0x1c/0x28
[  559.506971][T11952]  sysfs_create_dir_ns+0x278/0x318
[  559.508290][T11952]  kobject_add_internal+0x514/0xadc
[  559.509773][T11952]  kobject_add+0x14c/0x224
[  559.510992][T11952]  device_add+0x3a0/0xaac
[  559.512237][T11952]  device_register+0x28/0x38
[  559.513551][T11952]  tty_register_device_attr+0x3a4/0x7d4
[  559.515097][T11952]  tty_register_device+0x3c/0x50
[  559.516436][T11952]  gsm_activate_mux+0xdc/0x268
[  559.517772][T11952]  gsmld_ioctl+0x16f0/0x2310
[  559.519008][T11952]  tty_ioctl+0x924/0xd8c
[  559.520134][T11952]  __arm64_sys_ioctl+0x14c/0x1c8
[  559.521456][T11952]  invoke_syscall+0x98/0x2b8
[  559.522747][T11952]  el0_svc_common+0x130/0x23c
[  559.524027][T11952]  do_el0_svc+0x48/0x58
[  559.525220][T11952]  el0_svc+0x58/0x16c
[  559.526313][T11952]  el0t_64_sync_handler+0x84/0xfc
[  559.527596][T11952]  el0t_64_sync+0x190/0x194
[  559.536607][T11952] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.542741][T11952] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.544903][T11952] CPU: 1 PID: 11952 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  559.547786][T11952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  559.550481][T11952] Call trace:
[  559.551350][T11952]  dump_backtrace+0x1b8/0x1e4
[  559.552648][T11952]  show_stack+0x2c/0x44
[  559.553840][T11952]  dump_stack_lvl+0xd0/0x124
[  559.555161][T11952]  dump_stack+0x1c/0x28
[  559.556334][T11952]  sysfs_create_dir_ns+0x278/0x318
[  559.557690][T11952]  kobject_add_internal+0x514/0xadc
[  559.559092][T11952]  kobject_add+0x14c/0x224
[  559.560318][T11952]  device_add+0x3a0/0xaac
[  559.561480][T11952]  device_register+0x28/0x38
[  559.562805][T11952]  tty_register_device_attr+0x3a4/0x7d4
[  559.564372][T11952]  tty_register_device+0x3c/0x50
[  559.565785][T11952]  gsm_activate_mux+0xdc/0x268
[  559.567141][T11952]  gsmld_ioctl+0x16f0/0x2310
[  559.568391][T11952]  tty_ioctl+0x924/0xd8c
[  559.569554][T11952]  __arm64_sys_ioctl+0x14c/0x1c8
[  559.570903][T11952]  invoke_syscall+0x98/0x2b8
[  559.572185][T11952]  el0_svc_common+0x130/0x23c
[  559.573447][T11952]  do_el0_svc+0x48/0x58
[  559.574602][T11952]  el0_svc+0x58/0x16c
[  559.575651][T11952]  el0t_64_sync_handler+0x84/0xfc
[  559.576964][T11952]  el0t_64_sync+0x190/0x194
[  559.580193][T11952] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.752530][T11955] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.754717][T11955] CPU: 1 PID: 11955 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  559.757396][T11955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  559.760014][T11955] Call trace:
[  559.760875][T11955]  dump_backtrace+0x1b8/0x1e4
[  559.762102][T11955]  show_stack+0x2c/0x44
[  559.763284][T11955]  dump_stack_lvl+0xd0/0x124
[  559.764547][T11955]  dump_stack+0x1c/0x28
[  559.765717][T11955]  sysfs_create_dir_ns+0x278/0x318
[  559.767208][T11955]  kobject_add_internal+0x514/0xadc
[  559.768520][T11955]  kobject_add+0x14c/0x224
[  559.769725][T11955]  device_add+0x3a0/0xaac
[  559.770964][T11955]  device_register+0x28/0x38
[  559.772156][T11955]  tty_register_device_attr+0x3a4/0x7d4
[  559.773603][T11955]  tty_register_device+0x3c/0x50
[  559.774944][T11955]  gsm_activate_mux+0xdc/0x268
[  559.776231][T11955]  gsmld_ioctl+0x16f0/0x2310
[  559.777483][T11955]  tty_ioctl+0x924/0xd8c
[  559.778675][T11955]  __arm64_sys_ioctl+0x14c/0x1c8
[  559.780094][T11955]  invoke_syscall+0x98/0x2b8
[  559.781312][T11955]  el0_svc_common+0x130/0x23c
[  559.782516][T11955]  do_el0_svc+0x48/0x58
[  559.783554][T11955]  el0_svc+0x58/0x16c
[  559.784617][T11955]  el0t_64_sync_handler+0x84/0xfc
[  559.785939][T11955]  el0t_64_sync+0x190/0x194
[  559.791145][T11955] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.993040][T11958] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  559.995142][T11958] CPU: 1 PID: 11958 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  559.997846][T11958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  560.000442][T11958] Call trace:
[  560.001275][T11958]  dump_backtrace+0x1b8/0x1e4
[  560.002530][T11958]  show_stack+0x2c/0x44
[  560.003632][T11958]  dump_stack_lvl+0xd0/0x124
[  560.004924][T11958]  dump_stack+0x1c/0x28
[  560.006055][T11958]  sysfs_create_dir_ns+0x278/0x318
[  560.007366][T11958]  kobject_add_internal+0x514/0xadc
[  560.008778][T11958]  kobject_add+0x14c/0x224
[  560.010004][T11958]  device_add+0x3a0/0xaac
[  560.011306][T11958]  device_register+0x28/0x38
[  560.012697][T11958]  tty_register_device_attr+0x3a4/0x7d4
[  560.014182][T11958]  tty_register_device+0x3c/0x50
[  560.015643][T11958]  gsm_activate_mux+0xdc/0x268
[  560.016979][T11958]  gsmld_ioctl+0x16f0/0x2310
[  560.018198][T11958]  tty_ioctl+0x924/0xd8c
[  560.019333][T11958]  __arm64_sys_ioctl+0x14c/0x1c8
[  560.020740][T11958]  invoke_syscall+0x98/0x2b8
[  560.022096][T11958]  el0_svc_common+0x130/0x23c
[  560.023377][T11958]  do_el0_svc+0x48/0x58
[  560.024514][T11958]  el0_svc+0x58/0x16c
[  560.025695][T11958]  el0t_64_sync_handler+0x84/0xfc
[  560.027015][T11958]  el0t_64_sync+0x190/0x194
[  560.037968][T11958] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.220528][T11961] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  560.223529][T11961] CPU: 0 PID: 11961 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  560.226239][T11961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  560.228824][T11961] Call trace:
[  560.229666][T11961]  dump_backtrace+0x1b8/0x1e4
[  560.231061][T11961]  show_stack+0x2c/0x44
[  560.232267][T11961]  dump_stack_lvl+0xd0/0x124
[  560.233479][T11961]  dump_stack+0x1c/0x28
[  560.234501][T11961]  sysfs_create_dir_ns+0x278/0x318
[  560.235921][T11961]  kobject_add_internal+0x514/0xadc
[  560.237265][T11961]  kobject_add+0x14c/0x224
[  560.238408][T11961]  device_add+0x3a0/0xaac
[  560.239480][T11961]  device_register+0x28/0x38
[  560.240692][T11961]  tty_register_device_attr+0x3a4/0x7d4
[  560.242157][T11961]  tty_register_device+0x3c/0x50
[  560.243473][T11961]  gsm_activate_mux+0xdc/0x268
[  560.244798][T11961]  gsmld_ioctl+0x16f0/0x2310
[  560.246058][T11961]  tty_ioctl+0x924/0xd8c
[  560.247262][T11961]  __arm64_sys_ioctl+0x14c/0x1c8
[  560.248563][T11961]  invoke_syscall+0x98/0x2b8
[  560.249871][T11961]  el0_svc_common+0x130/0x23c
[  560.251101][T11961]  do_el0_svc+0x48/0x58
[  560.252225][T11961]  el0_svc+0x58/0x16c
[  560.253312][T11961]  el0t_64_sync_handler+0x84/0xfc
[  560.254716][T11961]  el0t_64_sync+0x190/0x194
[  560.260143][T11961] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.453678][T11964] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  560.457755][T11964] CPU: 1 PID: 11964 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  560.460507][T11964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  560.463108][T11964] Call trace:
[  560.464012][T11964]  dump_backtrace+0x1b8/0x1e4
[  560.465282][T11964]  show_stack+0x2c/0x44
[  560.466353][T11964]  dump_stack_lvl+0xd0/0x124
[  560.467679][T11964]  dump_stack+0x1c/0x28
[  560.468830][T11964]  sysfs_create_dir_ns+0x278/0x318
[  560.470173][T11964]  kobject_add_internal+0x514/0xadc
[  560.471610][T11964]  kobject_add+0x14c/0x224
[  560.472768][T11964]  device_add+0x3a0/0xaac
[  560.473861][T11964]  device_register+0x28/0x38
[  560.475030][T11964]  tty_register_device_attr+0x3a4/0x7d4
[  560.476428][T11964]  tty_register_device+0x3c/0x50
[  560.477744][T11964]  gsm_activate_mux+0xdc/0x268
[  560.479003][T11964]  gsmld_ioctl+0x16f0/0x2310
[  560.480273][T11964]  tty_ioctl+0x924/0xd8c
[  560.481465][T11964]  __arm64_sys_ioctl+0x14c/0x1c8
[  560.482811][T11964]  invoke_syscall+0x98/0x2b8
[  560.484107][T11964]  el0_svc_common+0x130/0x23c
[  560.485460][T11964]  do_el0_svc+0x48/0x58
[  560.486637][T11964]  el0_svc+0x58/0x16c
[  560.487671][T11964]  el0t_64_sync_handler+0x84/0xfc
[  560.489071][T11964]  el0t_64_sync+0x190/0x194
[  560.506176][T11964] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.683182][T11967] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  560.689823][T11967] CPU: 0 PID: 11967 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  560.692462][T11967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  560.695090][T11967] Call trace:
[  560.695921][T11967]  dump_backtrace+0x1b8/0x1e4
[  560.697195][T11967]  show_stack+0x2c/0x44
[  560.698278][T11967]  dump_stack_lvl+0xd0/0x124
[  560.699486][T11967]  dump_stack+0x1c/0x28
[  560.700693][T11967]  sysfs_create_dir_ns+0x278/0x318
[  560.702089][T11967]  kobject_add_internal+0x514/0xadc
[  560.703398][T11967]  kobject_add+0x14c/0x224
[  560.704538][T11967]  device_add+0x3a0/0xaac
[  560.705701][T11967]  device_register+0x28/0x38
[  560.707048][T11967]  tty_register_device_attr+0x3a4/0x7d4
[  560.708596][T11967]  tty_register_device+0x3c/0x50
[  560.709892][T11967]  gsm_activate_mux+0xdc/0x268
[  560.711137][T11967]  gsmld_ioctl+0x16f0/0x2310
[  560.712361][T11967]  tty_ioctl+0x924/0xd8c
[  560.713565][T11967]  __arm64_sys_ioctl+0x14c/0x1c8
[  560.714967][T11967]  invoke_syscall+0x98/0x2b8
[  560.716199][T11967]  el0_svc_common+0x130/0x23c
[  560.717352][T11967]  do_el0_svc+0x48/0x58
[  560.718478][T11967]  el0_svc+0x58/0x16c
[  560.719556][T11967]  el0t_64_sync_handler+0x84/0xfc
[  560.720871][T11967]  el0t_64_sync+0x190/0x194
[  560.731795][T11967] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.912711][T11970] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  560.915050][T11970] CPU: 0 PID: 11970 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  560.917820][T11970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  560.920452][T11970] Call trace:
[  560.921280][T11970]  dump_backtrace+0x1b8/0x1e4
[  560.922550][T11970]  show_stack+0x2c/0x44
[  560.923674][T11970]  dump_stack_lvl+0xd0/0x124
[  560.925012][T11970]  dump_stack+0x1c/0x28
[  560.926153][T11970]  sysfs_create_dir_ns+0x278/0x318
[  560.927493][T11970]  kobject_add_internal+0x514/0xadc
[  560.928957][T11970]  kobject_add+0x14c/0x224
[  560.930086][T11970]  device_add+0x3a0/0xaac
[  560.931347][T11970]  device_register+0x28/0x38
[  560.932605][T11970]  tty_register_device_attr+0x3a4/0x7d4
[  560.934164][T11970]  tty_register_device+0x3c/0x50
[  560.935596][T11970]  gsm_activate_mux+0xdc/0x268
[  560.936897][T11970]  gsmld_ioctl+0x16f0/0x2310
[  560.938096][T11970]  tty_ioctl+0x924/0xd8c
[  560.939359][T11970]  __arm64_sys_ioctl+0x14c/0x1c8
[  560.940735][T11970]  invoke_syscall+0x98/0x2b8
[  560.941957][T11970]  el0_svc_common+0x130/0x23c
[  560.943123][T11970]  do_el0_svc+0x48/0x58
[  560.944303][T11970]  el0_svc+0x58/0x16c
[  560.945418][T11970]  el0t_64_sync_handler+0x84/0xfc
[  560.946866][T11970]  el0t_64_sync+0x190/0x194
[  560.951733][T11970] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.956349][T11970] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  560.960627][T11970] CPU: 1 PID: 11970 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  560.963289][T11970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  560.965914][T11970] Call trace:
[  560.966826][T11970]  dump_backtrace+0x1b8/0x1e4
[  560.968050][T11970]  show_stack+0x2c/0x44
[  560.969120][T11970]  dump_stack_lvl+0xd0/0x124
[  560.970355][T11970]  dump_stack+0x1c/0x28
[  560.971365][T11970]  sysfs_create_dir_ns+0x278/0x318
[  560.972647][T11970]  kobject_add_internal+0x514/0xadc
[  560.974006][T11970]  kobject_add+0x14c/0x224
[  560.975248][T11970]  device_add+0x3a0/0xaac
[  560.976477][T11970]  device_register+0x28/0x38
[  560.977805][T11970]  tty_register_device_attr+0x3a4/0x7d4
[  560.979247][T11970]  tty_register_device+0x3c/0x50
[  560.980518][T11970]  gsm_activate_mux+0xdc/0x268
[  560.981780][T11970]  gsmld_ioctl+0x16f0/0x2310
[  560.982990][T11970]  tty_ioctl+0x924/0xd8c
[  560.984062][T11970]  __arm64_sys_ioctl+0x14c/0x1c8
[  560.985425][T11970]  invoke_syscall+0x98/0x2b8
[  560.986591][T11970]  el0_svc_common+0x130/0x23c
[  560.987824][T11970]  do_el0_svc+0x48/0x58
[  560.988935][T11970]  el0_svc+0x58/0x16c
[  560.989972][T11970]  el0t_64_sync_handler+0x84/0xfc
[  560.991348][T11970]  el0t_64_sync+0x190/0x194
[  560.997011][T11970] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.159526][T11973] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.161905][T11973] CPU: 0 PID: 11973 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  561.164546][T11973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  561.167128][T11973] Call trace:
[  561.167975][T11973]  dump_backtrace+0x1b8/0x1e4
[  561.169278][T11973]  show_stack+0x2c/0x44
[  561.170388][T11973]  dump_stack_lvl+0xd0/0x124
[  561.171622][T11973]  dump_stack+0x1c/0x28
[  561.172810][T11973]  sysfs_create_dir_ns+0x278/0x318
[  561.174104][T11973]  kobject_add_internal+0x514/0xadc
[  561.175494][T11973]  kobject_add+0x14c/0x224
[  561.176685][T11973]  device_add+0x3a0/0xaac
[  561.177861][T11973]  device_register+0x28/0x38
[  561.179147][T11973]  tty_register_device_attr+0x3a4/0x7d4
[  561.180668][T11973]  tty_register_device+0x3c/0x50
[  561.182069][T11973]  gsm_activate_mux+0xdc/0x268
[  561.183470][T11973]  gsmld_ioctl+0x16f0/0x2310
[  561.184645][T11973]  tty_ioctl+0x924/0xd8c
[  561.185718][T11973]  __arm64_sys_ioctl+0x14c/0x1c8
[  561.187029][T11973]  invoke_syscall+0x98/0x2b8
[  561.188200][T11973]  el0_svc_common+0x130/0x23c
[  561.189453][T11973]  do_el0_svc+0x48/0x58
[  561.190558][T11973]  el0_svc+0x58/0x16c
[  561.191637][T11973]  el0t_64_sync_handler+0x84/0xfc
[  561.193022][T11973]  el0t_64_sync+0x190/0x194
[  561.201141][T11973] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.211089][T11973] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.214804][T11973] CPU: 0 PID: 11973 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  561.217516][T11973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  561.220058][T11973] Call trace:
[  561.220865][T11973]  dump_backtrace+0x1b8/0x1e4
[  561.222129][T11973]  show_stack+0x2c/0x44
[  561.223190][T11973]  dump_stack_lvl+0xd0/0x124
[  561.224305][T11973]  dump_stack+0x1c/0x28
[  561.225385][T11973]  sysfs_create_dir_ns+0x278/0x318
[  561.226770][T11973]  kobject_add_internal+0x514/0xadc
[  561.228125][T11973]  kobject_add+0x14c/0x224
[  561.229343][T11973]  device_add+0x3a0/0xaac
[  561.230380][T11973]  device_register+0x28/0x38
[  561.231562][T11973]  tty_register_device_attr+0x3a4/0x7d4
[  561.233019][T11973]  tty_register_device+0x3c/0x50
[  561.234339][T11973]  gsm_activate_mux+0xdc/0x268
[  561.235615][T11973]  gsmld_ioctl+0x16f0/0x2310
[  561.236825][T11973]  tty_ioctl+0x924/0xd8c
[  561.237922][T11973]  __arm64_sys_ioctl+0x14c/0x1c8
[  561.239242][T11973]  invoke_syscall+0x98/0x2b8
[  561.240499][T11973]  el0_svc_common+0x130/0x23c
[  561.241698][T11973]  do_el0_svc+0x48/0x58
[  561.242713][T11973]  el0_svc+0x58/0x16c
[  561.243771][T11973]  el0t_64_sync_handler+0x84/0xfc
[  561.245133][T11973]  el0t_64_sync+0x190/0x194
[  561.270146][T11973] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.522074][T11976] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.524423][T11976] CPU: 1 PID: 11976 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  561.527364][T11976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  561.530237][T11976] Call trace:
[  561.531239][T11976]  dump_backtrace+0x1b8/0x1e4
[  561.532441][T11976]  show_stack+0x2c/0x44
[  561.533583][T11976]  dump_stack_lvl+0xd0/0x124
[  561.534825][T11976]  dump_stack+0x1c/0x28
[  561.535965][T11976]  sysfs_create_dir_ns+0x278/0x318
[  561.537376][T11976]  kobject_add_internal+0x514/0xadc
[  561.538865][T11976]  kobject_add+0x14c/0x224
[  561.540085][T11976]  device_add+0x3a0/0xaac
[  561.541248][T11976]  device_register+0x28/0x38
[  561.542626][T11976]  tty_register_device_attr+0x3a4/0x7d4
[  561.544221][T11976]  tty_register_device+0x3c/0x50
[  561.545435][T11976]  gsm_activate_mux+0xdc/0x268
[  561.546749][T11976]  gsmld_ioctl+0x16f0/0x2310
[  561.548020][T11976]  tty_ioctl+0x924/0xd8c
[  561.549178][T11976]  __arm64_sys_ioctl+0x14c/0x1c8
[  561.550580][T11976]  invoke_syscall+0x98/0x2b8
[  561.551878][T11976]  el0_svc_common+0x130/0x23c
[  561.553141][T11976]  do_el0_svc+0x48/0x58
[  561.554273][T11976]  el0_svc+0x58/0x16c
[  561.555369][T11976]  el0t_64_sync_handler+0x84/0xfc
[  561.556761][T11976]  el0t_64_sync+0x190/0x194
[  561.564650][T11976] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.800421][T11979] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.802771][T11979] CPU: 0 PID: 11979 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  561.805535][T11979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  561.808361][T11979] Call trace:
[  561.809274][T11979]  dump_backtrace+0x1b8/0x1e4
[  561.810508][T11979]  show_stack+0x2c/0x44
[  561.811616][T11979]  dump_stack_lvl+0xd0/0x124
[  561.812800][T11979]  dump_stack+0x1c/0x28
[  561.813884][T11979]  sysfs_create_dir_ns+0x278/0x318
[  561.815260][T11979]  kobject_add_internal+0x514/0xadc
[  561.816673][T11979]  kobject_add+0x14c/0x224
[  561.817851][T11979]  device_add+0x3a0/0xaac
[  561.819000][T11979]  device_register+0x28/0x38
[  561.820176][T11979]  tty_register_device_attr+0x3a4/0x7d4
[  561.821671][T11979]  tty_register_device+0x3c/0x50
[  561.822994][T11979]  gsm_activate_mux+0xdc/0x268
[  561.824251][T11979]  gsmld_ioctl+0x16f0/0x2310
[  561.825531][T11979]  tty_ioctl+0x924/0xd8c
[  561.826700][T11979]  __arm64_sys_ioctl+0x14c/0x1c8
[  561.828029][T11979]  invoke_syscall+0x98/0x2b8
[  561.829263][T11979]  el0_svc_common+0x130/0x23c
[  561.830552][T11979]  do_el0_svc+0x48/0x58
[  561.831702][T11979]  el0_svc+0x58/0x16c
[  561.832744][T11979]  el0t_64_sync_handler+0x84/0xfc
[  561.834089][T11979]  el0t_64_sync+0x190/0x194
[  561.848417][T11980] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  561.854648][T11980] CPU: 1 PID: 11980 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  561.857611][T11980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  561.860297][T11980] Call trace:
[  561.861198][T11980]  dump_backtrace+0x1b8/0x1e4
[  561.862465][T11980]  show_stack+0x2c/0x44
[  561.863603][T11980]  dump_stack_lvl+0xd0/0x124
[  561.864893][T11980]  dump_stack+0x1c/0x28
[  561.865995][T11980]  sysfs_create_dir_ns+0x278/0x318
[  561.867346][T11980]  kobject_add_internal+0x514/0xadc
[  561.868757][T11980]  kobject_add+0x14c/0x224
[  561.869943][T11980]  device_add+0x3a0/0xaac
[  561.871115][T11980]  device_register+0x28/0x38
[  561.872346][T11980]  tty_register_device_attr+0x3a4/0x7d4
[  561.873903][T11980]  tty_register_device+0x3c/0x50
[  561.875213][T11980]  gsm_activate_mux+0xdc/0x268
[  561.876538][T11980]  gsmld_ioctl+0x16f0/0x2310
[  561.877829][T11980]  tty_ioctl+0x924/0xd8c
[  561.878960][T11980]  __arm64_sys_ioctl+0x14c/0x1c8
[  561.880206][T11980]  invoke_syscall+0x98/0x2b8
[  561.881416][T11980]  el0_svc_common+0x130/0x23c
[  561.882729][T11980]  do_el0_svc+0x48/0x58
[  561.883914][T11980]  el0_svc+0x58/0x16c
[  561.885045][T11980]  el0t_64_sync_handler+0x84/0xfc
[  561.885898][T11979] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.886412][T11980]  el0t_64_sync+0x190/0x194
[  561.921092][T11980] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.182392][T11983] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  562.184849][T11983] CPU: 1 PID: 11983 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  562.187705][T11983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  562.190534][T11983] Call trace:
[  562.191421][T11983]  dump_backtrace+0x1b8/0x1e4
[  562.192705][T11983]  show_stack+0x2c/0x44
[  562.193851][T11983]  dump_stack_lvl+0xd0/0x124
[  562.195137][T11983]  dump_stack+0x1c/0x28
[  562.196292][T11983]  sysfs_create_dir_ns+0x278/0x318
[  562.197677][T11983]  kobject_add_internal+0x514/0xadc
[  562.199161][T11983]  kobject_add+0x14c/0x224
[  562.200415][T11983]  device_add+0x3a0/0xaac
[  562.201652][T11983]  device_register+0x28/0x38
[  562.202913][T11983]  tty_register_device_attr+0x3a4/0x7d4
[  562.204430][T11983]  tty_register_device+0x3c/0x50
[  562.205764][T11983]  gsm_activate_mux+0xdc/0x268
[  562.207077][T11983]  gsmld_ioctl+0x16f0/0x2310
[  562.208335][T11983]  tty_ioctl+0x924/0xd8c
[  562.209545][T11983]  __arm64_sys_ioctl+0x14c/0x1c8
[  562.210948][T11983]  invoke_syscall+0x98/0x2b8
[  562.212206][T11983]  el0_svc_common+0x130/0x23c
[  562.213475][T11983]  do_el0_svc+0x48/0x58
[  562.214639][T11983]  el0_svc+0x58/0x16c
[  562.215671][T11983]  el0t_64_sync_handler+0x84/0xfc
[  562.217065][T11983]  el0t_64_sync+0x190/0x194
[  562.226040][T11983] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.579341][T11986] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  562.586254][T11986] CPU: 0 PID: 11986 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  562.589005][T11986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  562.591595][T11986] Call trace:
[  562.592417][T11986]  dump_backtrace+0x1b8/0x1e4
[  562.593624][T11986]  show_stack+0x2c/0x44
[  562.594690][T11986]  dump_stack_lvl+0xd0/0x124
[  562.595891][T11986]  dump_stack+0x1c/0x28
[  562.597058][T11986]  sysfs_create_dir_ns+0x278/0x318
[  562.598396][T11986]  kobject_add_internal+0x514/0xadc
[  562.599770][T11986]  kobject_add+0x14c/0x224
[  562.600987][T11986]  device_add+0x3a0/0xaac
[  562.602185][T11986]  device_register+0x28/0x38
[  562.603363][T11986]  tty_register_device_attr+0x3a4/0x7d4
[  562.604868][T11986]  tty_register_device+0x3c/0x50
[  562.606217][T11986]  gsm_activate_mux+0xdc/0x268
[  562.607502][T11986]  gsmld_ioctl+0x16f0/0x2310
[  562.608729][T11986]  tty_ioctl+0x924/0xd8c
[  562.609953][T11986]  __arm64_sys_ioctl+0x14c/0x1c8
[  562.611241][T11986]  invoke_syscall+0x98/0x2b8
[  562.612483][T11986]  el0_svc_common+0x130/0x23c
[  562.613708][T11986]  do_el0_svc+0x48/0x58
[  562.614887][T11986]  el0_svc+0x58/0x16c
[  562.615967][T11986]  el0t_64_sync_handler+0x84/0xfc
[  562.617361][T11986]  el0t_64_sync+0x190/0x194
[  562.621234][T11986] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.868384][T11989] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  562.871718][T11989] CPU: 0 PID: 11989 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  562.874605][T11989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  562.877383][T11989] Call trace:
[  562.878280][T11989]  dump_backtrace+0x1b8/0x1e4
[  562.879591][T11989]  show_stack+0x2c/0x44
[  562.880708][T11989]  dump_stack_lvl+0xd0/0x124
[  562.881950][T11989]  dump_stack+0x1c/0x28
[  562.883156][T11989]  sysfs_create_dir_ns+0x278/0x318
[  562.884558][T11989]  kobject_add_internal+0x514/0xadc
[  562.885873][T11989]  kobject_add+0x14c/0x224
[  562.887061][T11989]  device_add+0x3a0/0xaac
[  562.888307][T11989]  device_register+0x28/0x38
[  562.889584][T11989]  tty_register_device_attr+0x3a4/0x7d4
[  562.891088][T11989]  tty_register_device+0x3c/0x50
[  562.892472][T11989]  gsm_activate_mux+0xdc/0x268
[  562.893836][T11989]  gsmld_ioctl+0x16f0/0x2310
[  562.895138][T11989]  tty_ioctl+0x924/0xd8c
[  562.896330][T11989]  __arm64_sys_ioctl+0x14c/0x1c8
[  562.897741][T11989]  invoke_syscall+0x98/0x2b8
[  562.899126][T11989]  el0_svc_common+0x130/0x23c
[  562.900384][T11989]  do_el0_svc+0x48/0x58
[  562.901489][T11989]  el0_svc+0x58/0x16c
[  562.902582][T11989]  el0t_64_sync_handler+0x84/0xfc
[  562.903993][T11989]  el0t_64_sync+0x190/0x194
[  562.907499][T11989] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.106100][T11992] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  563.108349][T11992] CPU: 0 PID: 11992 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  563.111174][T11992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  563.113909][T11992] Call trace:
[  563.114813][T11992]  dump_backtrace+0x1b8/0x1e4
[  563.116011][T11992]  show_stack+0x2c/0x44
[  563.117123][T11992]  dump_stack_lvl+0xd0/0x124
[  563.118394][T11992]  dump_stack+0x1c/0x28
[  563.119479][T11992]  sysfs_create_dir_ns+0x278/0x318
[  563.120901][T11992]  kobject_add_internal+0x514/0xadc
[  563.122382][T11992]  kobject_add+0x14c/0x224
[  563.123581][T11992]  device_add+0x3a0/0xaac
[  563.124792][T11992]  device_register+0x28/0x38
[  563.126066][T11992]  tty_register_device_attr+0x3a4/0x7d4
[  563.127536][T11992]  tty_register_device+0x3c/0x50
[  563.128876][T11992]  gsm_activate_mux+0xdc/0x268
[  563.130215][T11992]  gsmld_ioctl+0x16f0/0x2310
[  563.131500][T11992]  tty_ioctl+0x924/0xd8c
[  563.132709][T11992]  __arm64_sys_ioctl+0x14c/0x1c8
[  563.134097][T11992]  invoke_syscall+0x98/0x2b8
[  563.135473][T11992]  el0_svc_common+0x130/0x23c
[  563.136736][T11992]  do_el0_svc+0x48/0x58
[  563.137919][T11992]  el0_svc+0x58/0x16c
[  563.139032][T11992]  el0t_64_sync_handler+0x84/0xfc
[  563.140388][T11992]  el0t_64_sync+0x190/0x194
[  563.147730][T11992] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.502903][T11994] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  563.505707][T11994] CPU: 1 PID: 11994 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  563.508455][T11994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  563.511206][T11994] Call trace:
[  563.512118][T11994]  dump_backtrace+0x1b8/0x1e4
[  563.513403][T11994]  show_stack+0x2c/0x44
[  563.514535][T11994]  dump_stack_lvl+0xd0/0x124
[  563.515774][T11994]  dump_stack+0x1c/0x28
[  563.516929][T11994]  sysfs_create_dir_ns+0x278/0x318
[  563.518356][T11994]  kobject_add_internal+0x514/0xadc
[  563.519748][T11994]  kobject_add+0x14c/0x224
[  563.520949][T11994]  device_add+0x3a0/0xaac
[  563.522162][T11994]  device_register+0x28/0x38
[  563.523440][T11994]  tty_register_device_attr+0x3a4/0x7d4
[  563.524997][T11994]  tty_register_device+0x3c/0x50
[  563.526423][T11994]  gsm_activate_mux+0xdc/0x268
[  563.527724][T11994]  gsmld_ioctl+0x16f0/0x2310
[  563.528983][T11994]  tty_ioctl+0x924/0xd8c
[  563.530131][T11994]  __arm64_sys_ioctl+0x14c/0x1c8
[  563.531555][T11994]  invoke_syscall+0x98/0x2b8
[  563.532845][T11994]  el0_svc_common+0x130/0x23c
[  563.534136][T11994]  do_el0_svc+0x48/0x58
[  563.535290][T11994]  el0_svc+0x58/0x16c
[  563.536448][T11994]  el0t_64_sync_handler+0x84/0xfc
[  563.537898][T11994]  el0t_64_sync+0x190/0x194
[  563.545932][T11994] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.795083][T11998] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  563.799399][T11998] CPU: 1 PID: 11998 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  563.802229][T11998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  563.804845][T11998] Call trace:
[  563.805696][T11998]  dump_backtrace+0x1b8/0x1e4
[  563.806963][T11998]  show_stack+0x2c/0x44
[  563.808142][T11998]  dump_stack_lvl+0xd0/0x124
[  563.809446][T11998]  dump_stack+0x1c/0x28
[  563.810619][T11998]  sysfs_create_dir_ns+0x278/0x318
[  563.812081][T11998]  kobject_add_internal+0x514/0xadc
[  563.813540][T11998]  kobject_add+0x14c/0x224
[  563.814784][T11998]  device_add+0x3a0/0xaac
[  563.815951][T11998]  device_register+0x28/0x38
[  563.817199][T11998]  tty_register_device_attr+0x3a4/0x7d4
[  563.818727][T11998]  tty_register_device+0x3c/0x50
[  563.820056][T11998]  gsm_activate_mux+0xdc/0x268
[  563.821330][T11998]  gsmld_ioctl+0x16f0/0x2310
[  563.822588][T11998]  tty_ioctl+0x924/0xd8c
[  563.823756][T11998]  __arm64_sys_ioctl+0x14c/0x1c8
[  563.825126][T11998]  invoke_syscall+0x98/0x2b8
[  563.826403][T11998]  el0_svc_common+0x130/0x23c
[  563.827663][T11998]  do_el0_svc+0x48/0x58
[  563.828746][T11998]  el0_svc+0x58/0x16c
[  563.829818][T11998]  el0t_64_sync_handler+0x84/0xfc
[  563.831204][T11998]  el0t_64_sync+0x190/0x194
[  563.843737][T11998] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.191906][T12001] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  564.199690][T12001] CPU: 1 PID: 12001 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  564.202616][T12001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  564.205405][T12001] Call trace:
[  564.206320][T12001]  dump_backtrace+0x1b8/0x1e4
[  564.207634][T12001]  show_stack+0x2c/0x44
[  564.208772][T12001]  dump_stack_lvl+0xd0/0x124
[  564.210059][T12001]  dump_stack+0x1c/0x28
[  564.211258][T12001]  sysfs_create_dir_ns+0x278/0x318
[  564.212608][T12001]  kobject_add_internal+0x514/0xadc
[  564.213956][T12001]  kobject_add+0x14c/0x224
[  564.215203][T12001]  device_add+0x3a0/0xaac
[  564.216331][T12001]  device_register+0x28/0x38
[  564.217617][T12001]  tty_register_device_attr+0x3a4/0x7d4
[  564.219190][T12001]  tty_register_device+0x3c/0x50
[  564.220514][T12001]  gsm_activate_mux+0xdc/0x268
[  564.221840][T12001]  gsmld_ioctl+0x16f0/0x2310
[  564.223083][T12001]  tty_ioctl+0x924/0xd8c
[  564.224259][T12001]  __arm64_sys_ioctl+0x14c/0x1c8
[  564.225665][T12001]  invoke_syscall+0x98/0x2b8
[  564.226866][T12001]  el0_svc_common+0x130/0x23c
[  564.228115][T12001]  do_el0_svc+0x48/0x58
[  564.229259][T12001]  el0_svc+0x58/0x16c
[  564.230386][T12001]  el0t_64_sync_handler+0x84/0xfc
[  564.231749][T12001]  el0t_64_sync+0x190/0x194
[  564.250844][T12001] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.467937][T12004] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  564.470309][T12004] CPU: 0 PID: 12004 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  564.473216][T12004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  564.476001][T12004] Call trace:
[  564.476910][T12004]  dump_backtrace+0x1b8/0x1e4
[  564.478199][T12004]  show_stack+0x2c/0x44
[  564.479358][T12004]  dump_stack_lvl+0xd0/0x124
[  564.480566][T12004]  dump_stack+0x1c/0x28
[  564.481708][T12004]  sysfs_create_dir_ns+0x278/0x318
[  564.483158][T12004]  kobject_add_internal+0x514/0xadc
[  564.484645][T12004]  kobject_add+0x14c/0x224
[  564.485818][T12004]  device_add+0x3a0/0xaac
[  564.487012][T12004]  device_register+0x28/0x38
[  564.488231][T12004]  tty_register_device_attr+0x3a4/0x7d4
[  564.489818][T12004]  tty_register_device+0x3c/0x50
[  564.491167][T12004]  gsm_activate_mux+0xdc/0x268
[  564.492454][T12004]  gsmld_ioctl+0x16f0/0x2310
[  564.493715][T12004]  tty_ioctl+0x924/0xd8c
[  564.494855][T12004]  __arm64_sys_ioctl+0x14c/0x1c8
[  564.496274][T12004]  invoke_syscall+0x98/0x2b8
[  564.497537][T12004]  el0_svc_common+0x130/0x23c
[  564.498830][T12004]  do_el0_svc+0x48/0x58
[  564.500032][T12004]  el0_svc+0x58/0x16c
[  564.501121][T12004]  el0t_64_sync_handler+0x84/0xfc
[  564.502471][T12004]  el0t_64_sync+0x190/0x194
[  564.509061][T12004] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.705415][T12007] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  564.711447][T12007] CPU: 0 PID: 12007 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  564.714440][T12007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  564.717169][T12007] Call trace:
[  564.718084][T12007]  dump_backtrace+0x1b8/0x1e4
[  564.719354][T12007]  show_stack+0x2c/0x44
[  564.720542][T12007]  dump_stack_lvl+0xd0/0x124
[  564.721825][T12007]  dump_stack+0x1c/0x28
[  564.723003][T12007]  sysfs_create_dir_ns+0x278/0x318
[  564.724411][T12007]  kobject_add_internal+0x514/0xadc
[  564.725867][T12007]  kobject_add+0x14c/0x224
[  564.727108][T12007]  device_add+0x3a0/0xaac
[  564.728315][T12007]  device_register+0x28/0x38
[  564.729555][T12007]  tty_register_device_attr+0x3a4/0x7d4
[  564.730989][T12007]  tty_register_device+0x3c/0x50
[  564.732305][T12007]  gsm_activate_mux+0xdc/0x268
[  564.733557][T12007]  gsmld_ioctl+0x16f0/0x2310
[  564.734791][T12007]  tty_ioctl+0x924/0xd8c
[  564.735967][T12007]  __arm64_sys_ioctl+0x14c/0x1c8
[  564.737316][T12007]  invoke_syscall+0x98/0x2b8
[  564.738618][T12007]  el0_svc_common+0x130/0x23c
[  564.739817][T12007]  do_el0_svc+0x48/0x58
[  564.740963][T12007]  el0_svc+0x58/0x16c
[  564.742060][T12007]  el0t_64_sync_handler+0x84/0xfc
[  564.743405][T12007]  el0t_64_sync+0x190/0x194
[  564.759550][T12007] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.088726][T12010] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  565.092696][T12010] CPU: 0 PID: 12010 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  565.095630][T12010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  565.098408][T12010] Call trace:
[  565.099295][T12010]  dump_backtrace+0x1b8/0x1e4
[  565.100564][T12010]  show_stack+0x2c/0x44
[  565.101726][T12010]  dump_stack_lvl+0xd0/0x124
[  565.102962][T12010]  dump_stack+0x1c/0x28
[  565.104045][T12010]  sysfs_create_dir_ns+0x278/0x318
[  565.105373][T12010]  kobject_add_internal+0x514/0xadc
[  565.106738][T12010]  kobject_add+0x14c/0x224
[  565.107949][T12010]  device_add+0x3a0/0xaac
[  565.109132][T12010]  device_register+0x28/0x38
[  565.110339][T12010]  tty_register_device_attr+0x3a4/0x7d4
[  565.111821][T12010]  tty_register_device+0x3c/0x50
[  565.113130][T12010]  gsm_activate_mux+0xdc/0x268
[  565.114415][T12010]  gsmld_ioctl+0x16f0/0x2310
[  565.115760][T12010]  tty_ioctl+0x924/0xd8c
[  565.116897][T12010]  __arm64_sys_ioctl+0x14c/0x1c8
[  565.118232][T12010]  invoke_syscall+0x98/0x2b8
[  565.119440][T12010]  el0_svc_common+0x130/0x23c
[  565.120730][T12010]  do_el0_svc+0x48/0x58
[  565.121853][T12010]  el0_svc+0x58/0x16c
[  565.122933][T12010]  el0t_64_sync_handler+0x84/0xfc
[  565.124358][T12010]  el0t_64_sync+0x190/0x194
[  565.139359][T12010] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.526590][T12013] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  565.528894][T12013] CPU: 1 PID: 12013 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  565.531771][T12013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  565.534542][T12013] Call trace:
[  565.535440][T12013]  dump_backtrace+0x1b8/0x1e4
[  565.536751][T12013]  show_stack+0x2c/0x44
[  565.537899][T12013]  dump_stack_lvl+0xd0/0x124
[  565.539145][T12013]  dump_stack+0x1c/0x28
[  565.540281][T12013]  sysfs_create_dir_ns+0x278/0x318
[  565.541671][T12013]  kobject_add_internal+0x514/0xadc
[  565.543073][T12013]  kobject_add+0x14c/0x224
[  565.544267][T12013]  device_add+0x3a0/0xaac
[  565.545448][T12013]  device_register+0x28/0x38
[  565.546691][T12013]  tty_register_device_attr+0x3a4/0x7d4
[  565.548192][T12013]  tty_register_device+0x3c/0x50
[  565.549558][T12013]  gsm_activate_mux+0xdc/0x268
[  565.550908][T12013]  gsmld_ioctl+0x16f0/0x2310
[  565.552129][T12013]  tty_ioctl+0x924/0xd8c
[  565.553226][T12013]  __arm64_sys_ioctl+0x14c/0x1c8
[  565.554593][T12013]  invoke_syscall+0x98/0x2b8
[  565.555853][T12013]  el0_svc_common+0x130/0x23c
[  565.557121][T12013]  do_el0_svc+0x48/0x58
[  565.558206][T12013]  el0_svc+0x58/0x16c
[  565.559325][T12013]  el0t_64_sync_handler+0x84/0xfc
[  565.560723][T12013]  el0t_64_sync+0x190/0x194
[  565.565283][T12013] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.822481][T12016] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  565.824964][T12016] CPU: 0 PID: 12016 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  565.827836][T12016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  565.830561][T12016] Call trace:
[  565.831464][T12016]  dump_backtrace+0x1b8/0x1e4
[  565.832716][T12016]  show_stack+0x2c/0x44
[  565.833872][T12016]  dump_stack_lvl+0xd0/0x124
[  565.835046][T12016]  dump_stack+0x1c/0x28
[  565.836194][T12016]  sysfs_create_dir_ns+0x278/0x318
[  565.837503][T12016]  kobject_add_internal+0x514/0xadc
[  565.838840][T12016]  kobject_add+0x14c/0x224
[  565.840041][T12016]  device_add+0x3a0/0xaac
[  565.841226][T12016]  device_register+0x28/0x38
[  565.842525][T12016]  tty_register_device_attr+0x3a4/0x7d4
[  565.844076][T12016]  tty_register_device+0x3c/0x50
[  565.845378][T12016]  gsm_activate_mux+0xdc/0x268
[  565.846686][T12016]  gsmld_ioctl+0x16f0/0x2310
[  565.847936][T12016]  tty_ioctl+0x924/0xd8c
[  565.849074][T12016]  __arm64_sys_ioctl+0x14c/0x1c8
[  565.850388][T12016]  invoke_syscall+0x98/0x2b8
[  565.851646][T12016]  el0_svc_common+0x130/0x23c
[  565.852891][T12016]  do_el0_svc+0x48/0x58
[  565.854043][T12016]  el0_svc+0x58/0x16c
[  565.855161][T12016]  el0t_64_sync_handler+0x84/0xfc
[  565.856537][T12016]  el0t_64_sync+0x190/0x194
[  565.863539][T12016] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.212938][T12019] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  566.215194][T12019] CPU: 0 PID: 12019 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  566.218012][T12019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  566.220713][T12019] Call trace:
[  566.221604][T12019]  dump_backtrace+0x1b8/0x1e4
[  566.222825][T12019]  show_stack+0x2c/0x44
[  566.223997][T12019]  dump_stack_lvl+0xd0/0x124
[  566.225244][T12019]  dump_stack+0x1c/0x28
[  566.226366][T12019]  sysfs_create_dir_ns+0x278/0x318
[  566.227769][T12019]  kobject_add_internal+0x514/0xadc
[  566.229226][T12019]  kobject_add+0x14c/0x224
[  566.230397][T12019]  device_add+0x3a0/0xaac
[  566.231585][T12019]  device_register+0x28/0x38
[  566.232821][T12019]  tty_register_device_attr+0x3a4/0x7d4
[  566.234285][T12019]  tty_register_device+0x3c/0x50
[  566.235596][T12019]  gsm_activate_mux+0xdc/0x268
[  566.236874][T12019]  gsmld_ioctl+0x16f0/0x2310
[  566.238115][T12019]  tty_ioctl+0x924/0xd8c
[  566.239295][T12019]  __arm64_sys_ioctl+0x14c/0x1c8
[  566.240734][T12019]  invoke_syscall+0x98/0x2b8
[  566.242041][T12019]  el0_svc_common+0x130/0x23c
[  566.243373][T12019]  do_el0_svc+0x48/0x58
[  566.244524][T12019]  el0_svc+0x58/0x16c
[  566.245612][T12019]  el0t_64_sync_handler+0x84/0xfc
[  566.246977][T12019]  el0t_64_sync+0x190/0x194
[  566.251674][T12019] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.504820][T12022] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  566.507634][T12022] CPU: 0 PID: 12022 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  566.510506][T12022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  566.513229][T12022] Call trace:
[  566.514081][T12022]  dump_backtrace+0x1b8/0x1e4
[  566.515355][T12022]  show_stack+0x2c/0x44
[  566.516466][T12022]  dump_stack_lvl+0xd0/0x124
[  566.517741][T12022]  dump_stack+0x1c/0x28
[  566.518930][T12022]  sysfs_create_dir_ns+0x278/0x318
[  566.520321][T12022]  kobject_add_internal+0x514/0xadc
[  566.521726][T12022]  kobject_add+0x14c/0x224
[  566.522963][T12022]  device_add+0x3a0/0xaac
[  566.524170][T12022]  device_register+0x28/0x38
[  566.525413][T12022]  tty_register_device_attr+0x3a4/0x7d4
[  566.526960][T12022]  tty_register_device+0x3c/0x50
[  566.528384][T12022]  gsm_activate_mux+0xdc/0x268
[  566.529740][T12022]  gsmld_ioctl+0x16f0/0x2310
[  566.530971][T12022]  tty_ioctl+0x924/0xd8c
[  566.532139][T12022]  __arm64_sys_ioctl+0x14c/0x1c8
[  566.533495][T12022]  invoke_syscall+0x98/0x2b8
[  566.534793][T12022]  el0_svc_common+0x130/0x23c
[  566.536077][T12022]  do_el0_svc+0x48/0x58
[  566.537265][T12022]  el0_svc+0x58/0x16c
[  566.538334][T12022]  el0t_64_sync_handler+0x84/0xfc
[  566.539736][T12022]  el0t_64_sync+0x190/0x194
[  566.548716][T12022] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.738771][T12025] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  566.741045][T12025] CPU: 1 PID: 12025 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  566.743961][T12025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  566.746783][T12025] Call trace:
[  566.747683][T12025]  dump_backtrace+0x1b8/0x1e4
[  566.748910][T12025]  show_stack+0x2c/0x44
[  566.750051][T12025]  dump_stack_lvl+0xd0/0x124
[  566.751299][T12025]  dump_stack+0x1c/0x28
[  566.752386][T12025]  sysfs_create_dir_ns+0x278/0x318
[  566.753732][T12025]  kobject_add_internal+0x514/0xadc
[  566.755137][T12025]  kobject_add+0x14c/0x224
[  566.756295][T12025]  device_add+0x3a0/0xaac
[  566.757468][T12025]  device_register+0x28/0x38
[  566.758740][T12025]  tty_register_device_attr+0x3a4/0x7d4
[  566.760239][T12025]  tty_register_device+0x3c/0x50
[  566.761551][T12025]  gsm_activate_mux+0xdc/0x268
[  566.762887][T12025]  gsmld_ioctl+0x16f0/0x2310
[  566.764180][T12025]  tty_ioctl+0x924/0xd8c
[  566.765330][T12025]  __arm64_sys_ioctl+0x14c/0x1c8
[  566.766704][T12025]  invoke_syscall+0x98/0x2b8
[  566.767980][T12025]  el0_svc_common+0x130/0x23c
[  566.769232][T12025]  do_el0_svc+0x48/0x58
[  566.770426][T12025]  el0_svc+0x58/0x16c
[  566.771532][T12025]  el0t_64_sync_handler+0x84/0xfc
[  566.772884][T12025]  el0t_64_sync+0x190/0x194
[  566.782878][T12025] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.787695][T12025] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  566.790130][T12025] CPU: 1 PID: 12025 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  566.792880][T12025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  566.795584][T12025] Call trace:
[  566.796506][T12025]  dump_backtrace+0x1b8/0x1e4
[  566.797810][T12025]  show_stack+0x2c/0x44
[  566.798938][T12025]  dump_stack_lvl+0xd0/0x124
[  566.800204][T12025]  dump_stack+0x1c/0x28
[  566.801365][T12025]  sysfs_create_dir_ns+0x278/0x318
[  566.802751][T12025]  kobject_add_internal+0x514/0xadc
[  566.804159][T12025]  kobject_add+0x14c/0x224
[  566.805347][T12025]  device_add+0x3a0/0xaac
[  566.806537][T12025]  device_register+0x28/0x38
[  566.807825][T12025]  tty_register_device_attr+0x3a4/0x7d4
[  566.809351][T12025]  tty_register_device+0x3c/0x50
[  566.810693][T12025]  gsm_activate_mux+0xdc/0x268
[  566.811988][T12025]  gsmld_ioctl+0x16f0/0x2310
[  566.813279][T12025]  tty_ioctl+0x924/0xd8c
[  566.814460][T12025]  __arm64_sys_ioctl+0x14c/0x1c8
[  566.815818][T12025]  invoke_syscall+0x98/0x2b8
[  566.817077][T12025]  el0_svc_common+0x130/0x23c
[  566.818356][T12025]  do_el0_svc+0x48/0x58
[  566.819473][T12025]  el0_svc+0x58/0x16c
[  566.820504][T12025]  el0t_64_sync_handler+0x84/0xfc
[  566.821888][T12025]  el0t_64_sync+0x190/0x194
[  566.826923][T12025] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.990655][T12028] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  566.992973][T12028] CPU: 0 PID: 12028 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  566.995692][T12028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  566.998478][T12028] Call trace:
[  566.999374][T12028]  dump_backtrace+0x1b8/0x1e4
[  567.000670][T12028]  show_stack+0x2c/0x44
[  567.001804][T12028]  dump_stack_lvl+0xd0/0x124
[  567.003047][T12028]  dump_stack+0x1c/0x28
[  567.004195][T12028]  sysfs_create_dir_ns+0x278/0x318
[  567.005610][T12028]  kobject_add_internal+0x514/0xadc
[  567.007033][T12028]  kobject_add+0x14c/0x224
[  567.008275][T12028]  device_add+0x3a0/0xaac
[  567.009439][T12028]  device_register+0x28/0x38
[  567.010693][T12028]  tty_register_device_attr+0x3a4/0x7d4
[  567.012208][T12028]  tty_register_device+0x3c/0x50
[  567.013530][T12028]  gsm_activate_mux+0xdc/0x268
[  567.014846][T12028]  gsmld_ioctl+0x16f0/0x2310
[  567.016143][T12028]  tty_ioctl+0x924/0xd8c
[  567.017305][T12028]  __arm64_sys_ioctl+0x14c/0x1c8
[  567.018602][T12028]  invoke_syscall+0x98/0x2b8
[  567.019851][T12028]  el0_svc_common+0x130/0x23c
[  567.021050][T12028]  do_el0_svc+0x48/0x58
[  567.022194][T12028]  el0_svc+0x58/0x16c
[  567.023259][T12028]  el0t_64_sync_handler+0x84/0xfc
[  567.024689][T12028]  el0t_64_sync+0x190/0x194
[  567.033546][T12028] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.235444][T12031] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  567.238501][T12031] CPU: 1 PID: 12031 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  567.241355][T12031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  567.244090][T12031] Call trace:
[  567.244992][T12031]  dump_backtrace+0x1b8/0x1e4
[  567.246230][T12031]  show_stack+0x2c/0x44
[  567.247367][T12031]  dump_stack_lvl+0xd0/0x124
[  567.248630][T12031]  dump_stack+0x1c/0x28
[  567.249752][T12031]  sysfs_create_dir_ns+0x278/0x318
[  567.251105][T12031]  kobject_add_internal+0x514/0xadc
[  567.252538][T12031]  kobject_add+0x14c/0x224
[  567.253779][T12031]  device_add+0x3a0/0xaac
[  567.254953][T12031]  device_register+0x28/0x38
[  567.256211][T12031]  tty_register_device_attr+0x3a4/0x7d4
[  567.257685][T12031]  tty_register_device+0x3c/0x50
[  567.258943][T12031]  gsm_activate_mux+0xdc/0x268
[  567.260266][T12031]  gsmld_ioctl+0x16f0/0x2310
[  567.261508][T12031]  tty_ioctl+0x924/0xd8c
[  567.262697][T12031]  __arm64_sys_ioctl+0x14c/0x1c8
[  567.263990][T12031]  invoke_syscall+0x98/0x2b8
[  567.265199][T12031]  el0_svc_common+0x130/0x23c
[  567.266440][T12031]  do_el0_svc+0x48/0x58
[  567.267634][T12031]  el0_svc+0x58/0x16c
[  567.268693][T12031]  el0t_64_sync_handler+0x84/0xfc
[  567.270057][T12031]  el0t_64_sync+0x190/0x194
[  567.276192][T12031] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.474454][T12034] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  567.479641][T12034] CPU: 0 PID: 12034 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  567.482371][T12034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  567.484901][T12034] Call trace:
[  567.485778][T12034]  dump_backtrace+0x1b8/0x1e4
[  567.487082][T12034]  show_stack+0x2c/0x44
[  567.488220][T12034]  dump_stack_lvl+0xd0/0x124
[  567.489412][T12034]  dump_stack+0x1c/0x28
[  567.490541][T12034]  sysfs_create_dir_ns+0x278/0x318
[  567.491875][T12034]  kobject_add_internal+0x514/0xadc
[  567.493281][T12034]  kobject_add+0x14c/0x224
[  567.494561][T12034]  device_add+0x3a0/0xaac
[  567.495715][T12034]  device_register+0x28/0x38
[  567.496895][T12034]  tty_register_device_attr+0x3a4/0x7d4
[  567.498346][T12034]  tty_register_device+0x3c/0x50
[  567.499739][T12034]  gsm_activate_mux+0xdc/0x268
[  567.500995][T12034]  gsmld_ioctl+0x16f0/0x2310
[  567.502216][T12034]  tty_ioctl+0x924/0xd8c
[  567.503358][T12034]  __arm64_sys_ioctl+0x14c/0x1c8
[  567.504757][T12034]  invoke_syscall+0x98/0x2b8
[  567.505973][T12034]  el0_svc_common+0x130/0x23c
[  567.507207][T12034]  do_el0_svc+0x48/0x58
[  567.508329][T12034]  el0_svc+0x58/0x16c
[  567.509444][T12034]  el0t_64_sync_handler+0x84/0xfc
[  567.510788][T12034]  el0t_64_sync+0x190/0x194
[  567.518370][T12034] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.710529][T12037] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  567.712918][T12037] CPU: 1 PID: 12037 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  567.715710][T12037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  567.718501][T12037] Call trace:
[  567.719393][T12037]  dump_backtrace+0x1b8/0x1e4
[  567.720640][T12037]  show_stack+0x2c/0x44
[  567.721827][T12037]  dump_stack_lvl+0xd0/0x124
[  567.723046][T12037]  dump_stack+0x1c/0x28
[  567.724144][T12037]  sysfs_create_dir_ns+0x278/0x318
[  567.725524][T12037]  kobject_add_internal+0x514/0xadc
[  567.726919][T12037]  kobject_add+0x14c/0x224
[  567.728115][T12037]  device_add+0x3a0/0xaac
[  567.729282][T12037]  device_register+0x28/0x38
[  567.730535][T12037]  tty_register_device_attr+0x3a4/0x7d4
[  567.732039][T12037]  tty_register_device+0x3c/0x50
[  567.733374][T12037]  gsm_activate_mux+0xdc/0x268
[  567.734688][T12037]  gsmld_ioctl+0x16f0/0x2310
[  567.735903][T12037]  tty_ioctl+0x924/0xd8c
[  567.737058][T12037]  __arm64_sys_ioctl+0x14c/0x1c8
[  567.738421][T12037]  invoke_syscall+0x98/0x2b8
[  567.739691][T12037]  el0_svc_common+0x130/0x23c
[  567.740996][T12037]  do_el0_svc+0x48/0x58
[  567.742139][T12037]  el0_svc+0x58/0x16c
[  567.743304][T12037]  el0t_64_sync_handler+0x84/0xfc
[  567.744697][T12037]  el0t_64_sync+0x190/0x194
[  567.752498][T12037] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.119263][T12040] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  568.121594][T12040] CPU: 0 PID: 12040 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  568.124237][T12040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  568.127077][T12040] Call trace:
[  568.127973][T12040]  dump_backtrace+0x1b8/0x1e4
[  568.129288][T12040]  show_stack+0x2c/0x44
[  568.130429][T12040]  dump_stack_lvl+0xd0/0x124
[  568.131746][T12040]  dump_stack+0x1c/0x28
[  568.132885][T12040]  sysfs_create_dir_ns+0x278/0x318
[  568.134273][T12040]  kobject_add_internal+0x514/0xadc
[  568.135741][T12040]  kobject_add+0x14c/0x224
[  568.136976][T12040]  device_add+0x3a0/0xaac
[  568.138230][T12040]  device_register+0x28/0x38
[  568.139497][T12040]  tty_register_device_attr+0x3a4/0x7d4
[  568.141082][T12040]  tty_register_device+0x3c/0x50
[  568.142486][T12040]  gsm_activate_mux+0xdc/0x268
[  568.143859][T12040]  gsmld_ioctl+0x16f0/0x2310
[  568.145121][T12040]  tty_ioctl+0x924/0xd8c
[  568.146282][T12040]  __arm64_sys_ioctl+0x14c/0x1c8
[  568.147680][T12040]  invoke_syscall+0x98/0x2b8
[  568.148909][T12040]  el0_svc_common+0x130/0x23c
[  568.150168][T12040]  do_el0_svc+0x48/0x58
[  568.151319][T12040]  el0_svc+0x58/0x16c
[  568.152375][T12040]  el0t_64_sync_handler+0x84/0xfc
[  568.153787][T12040]  el0t_64_sync+0x190/0x194
[  568.162646][T12040] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.403716][T12043] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  568.406431][T12043] CPU: 1 PID: 12043 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  568.409278][T12043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  568.412050][T12043] Call trace:
[  568.412953][T12043]  dump_backtrace+0x1b8/0x1e4
[  568.414261][T12043]  show_stack+0x2c/0x44
[  568.415365][T12043]  dump_stack_lvl+0xd0/0x124
[  568.416597][T12043]  dump_stack+0x1c/0x28
[  568.417682][T12043]  sysfs_create_dir_ns+0x278/0x318
[  568.419034][T12043]  kobject_add_internal+0x514/0xadc
[  568.420463][T12043]  kobject_add+0x14c/0x224
[  568.421640][T12043]  device_add+0x3a0/0xaac
[  568.422819][T12043]  device_register+0x28/0x38
[  568.424041][T12043]  tty_register_device_attr+0x3a4/0x7d4
[  568.425525][T12043]  tty_register_device+0x3c/0x50
[  568.426872][T12043]  gsm_activate_mux+0xdc/0x268
[  568.428210][T12043]  gsmld_ioctl+0x16f0/0x2310
[  568.429441][T12043]  tty_ioctl+0x924/0xd8c
[  568.430565][T12043]  __arm64_sys_ioctl+0x14c/0x1c8
[  568.431916][T12043]  invoke_syscall+0x98/0x2b8
[  568.433177][T12043]  el0_svc_common+0x130/0x23c
[  568.434413][T12043]  do_el0_svc+0x48/0x58
[  568.435517][T12043]  el0_svc+0x58/0x16c
[  568.436580][T12043]  el0t_64_sync_handler+0x84/0xfc
[  568.437960][T12043]  el0t_64_sync+0x190/0x194
[  568.449876][T12043] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.638505][T12046] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  568.640888][T12046] CPU: 1 PID: 12046 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  568.643759][T12046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  568.646530][T12046] Call trace:
[  568.647464][T12046]  dump_backtrace+0x1b8/0x1e4
[  568.648789][T12046]  show_stack+0x2c/0x44
[  568.649927][T12046]  dump_stack_lvl+0xd0/0x124
[  568.651187][T12046]  dump_stack+0x1c/0x28
[  568.652311][T12046]  sysfs_create_dir_ns+0x278/0x318
[  568.653733][T12046]  kobject_add_internal+0x514/0xadc
[  568.655173][T12046]  kobject_add+0x14c/0x224
[  568.656372][T12046]  device_add+0x3a0/0xaac
[  568.657542][T12046]  device_register+0x28/0x38
[  568.658804][T12046]  tty_register_device_attr+0x3a4/0x7d4
[  568.660364][T12046]  tty_register_device+0x3c/0x50
[  568.661746][T12046]  gsm_activate_mux+0xdc/0x268
[  568.663089][T12046]  gsmld_ioctl+0x16f0/0x2310
[  568.664327][T12046]  tty_ioctl+0x924/0xd8c
[  568.665493][T12046]  __arm64_sys_ioctl+0x14c/0x1c8
[  568.666894][T12046]  invoke_syscall+0x98/0x2b8
[  568.668122][T12046]  el0_svc_common+0x130/0x23c
[  568.669388][T12046]  do_el0_svc+0x48/0x58
[  568.670608][T12046]  el0_svc+0x58/0x16c
[  568.671743][T12046]  el0t_64_sync_handler+0x84/0xfc
[  568.673210][T12046]  el0t_64_sync+0x190/0x194
[  568.676534][T12046] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.880440][T12049] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  568.882771][T12049] CPU: 0 PID: 12049 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  568.885525][T12049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  568.888270][T12049] Call trace:
[  568.889173][T12049]  dump_backtrace+0x1b8/0x1e4
[  568.890452][T12049]  show_stack+0x2c/0x44
[  568.891516][T12049]  dump_stack_lvl+0xd0/0x124
[  568.892792][T12049]  dump_stack+0x1c/0x28
[  568.893934][T12049]  sysfs_create_dir_ns+0x278/0x318
[  568.895316][T12049]  kobject_add_internal+0x514/0xadc
[  568.896816][T12049]  kobject_add+0x14c/0x224
[  568.898010][T12049]  device_add+0x3a0/0xaac
[  568.899169][T12049]  device_register+0x28/0x38
[  568.900440][T12049]  tty_register_device_attr+0x3a4/0x7d4
[  568.901994][T12049]  tty_register_device+0x3c/0x50
[  568.903325][T12049]  gsm_activate_mux+0xdc/0x268
[  568.904623][T12049]  gsmld_ioctl+0x16f0/0x2310
[  568.905862][T12049]  tty_ioctl+0x924/0xd8c
[  568.907020][T12049]  __arm64_sys_ioctl+0x14c/0x1c8
[  568.908361][T12049]  invoke_syscall+0x98/0x2b8
[  568.909718][T12049]  el0_svc_common+0x130/0x23c
[  568.910973][T12049]  do_el0_svc+0x48/0x58
[  568.912085][T12049]  el0_svc+0x58/0x16c
[  568.913137][T12049]  el0t_64_sync_handler+0x84/0xfc
[  568.914514][T12049]  el0t_64_sync+0x190/0x194
[  568.947609][T12049] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.114586][T12052] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  569.119474][T12052] CPU: 1 PID: 12052 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  569.122384][T12052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  569.125152][T12052] Call trace:
[  569.126032][T12052]  dump_backtrace+0x1b8/0x1e4
[  569.127327][T12052]  show_stack+0x2c/0x44
[  569.128482][T12052]  dump_stack_lvl+0xd0/0x124
[  569.129686][T12052]  dump_stack+0x1c/0x28
[  569.130815][T12052]  sysfs_create_dir_ns+0x278/0x318
[  569.132177][T12052]  kobject_add_internal+0x514/0xadc
[  569.133632][T12052]  kobject_add+0x14c/0x224
[  569.134888][T12052]  device_add+0x3a0/0xaac
[  569.136042][T12052]  device_register+0x28/0x38
[  569.137310][T12052]  tty_register_device_attr+0x3a4/0x7d4
[  569.138783][T12052]  tty_register_device+0x3c/0x50
[  569.140129][T12052]  gsm_activate_mux+0xdc/0x268
[  569.141470][T12052]  gsmld_ioctl+0x16f0/0x2310
[  569.142725][T12052]  tty_ioctl+0x924/0xd8c
[  569.143880][T12052]  __arm64_sys_ioctl+0x14c/0x1c8
[  569.145256][T12052]  invoke_syscall+0x98/0x2b8
[  569.146501][T12052]  el0_svc_common+0x130/0x23c
[  569.147778][T12052]  do_el0_svc+0x48/0x58
[  569.148914][T12052]  el0_svc+0x58/0x16c
[  569.149980][T12052]  el0t_64_sync_handler+0x84/0xfc
[  569.151353][T12052]  el0t_64_sync+0x190/0x194
[  569.163689][T12052] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.342465][T12055] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  569.344720][T12055] CPU: 1 PID: 12055 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  569.347429][T12055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  569.350107][T12055] Call trace:
[  569.350967][T12055]  dump_backtrace+0x1b8/0x1e4
[  569.352198][T12055]  show_stack+0x2c/0x44
[  569.353318][T12055]  dump_stack_lvl+0xd0/0x124
[  569.354589][T12055]  dump_stack+0x1c/0x28
[  569.355755][T12055]  sysfs_create_dir_ns+0x278/0x318
[  569.357102][T12055]  kobject_add_internal+0x514/0xadc
[  569.358502][T12055]  kobject_add+0x14c/0x224
[  569.359687][T12055]  device_add+0x3a0/0xaac
[  569.360793][T12055]  device_register+0x28/0x38
[  569.361998][T12055]  tty_register_device_attr+0x3a4/0x7d4
[  569.363464][T12055]  tty_register_device+0x3c/0x50
[  569.364733][T12055]  gsm_activate_mux+0xdc/0x268
[  569.366058][T12055]  gsmld_ioctl+0x16f0/0x2310
[  569.367287][T12055]  tty_ioctl+0x924/0xd8c
[  569.368464][T12055]  __arm64_sys_ioctl+0x14c/0x1c8
[  569.369701][T12055]  invoke_syscall+0x98/0x2b8
[  569.370862][T12055]  el0_svc_common+0x130/0x23c
[  569.372075][T12055]  do_el0_svc+0x48/0x58
[  569.373140][T12055]  el0_svc+0x58/0x16c
[  569.374211][T12055]  el0t_64_sync_handler+0x84/0xfc
[  569.375532][T12055]  el0t_64_sync+0x190/0x194
[  569.380618][T12055] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.736430][T12058] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  569.740063][T12058] CPU: 0 PID: 12058 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  569.742902][T12058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  569.745702][T12058] Call trace:
[  569.746620][T12058]  dump_backtrace+0x1b8/0x1e4
[  569.747858][T12058]  show_stack+0x2c/0x44
[  569.749024][T12058]  dump_stack_lvl+0xd0/0x124
[  569.750289][T12058]  dump_stack+0x1c/0x28
[  569.751424][T12058]  sysfs_create_dir_ns+0x278/0x318
[  569.752747][T12058]  kobject_add_internal+0x514/0xadc
[  569.754146][T12058]  kobject_add+0x14c/0x224
[  569.755275][T12058]  device_add+0x3a0/0xaac
[  569.756457][T12058]  device_register+0x28/0x38
[  569.757694][T12058]  tty_register_device_attr+0x3a4/0x7d4
[  569.759207][T12058]  tty_register_device+0x3c/0x50
[  569.760428][T12058]  gsm_activate_mux+0xdc/0x268
[  569.761720][T12058]  gsmld_ioctl+0x16f0/0x2310
[  569.762982][T12058]  tty_ioctl+0x924/0xd8c
[  569.764187][T12058]  __arm64_sys_ioctl+0x14c/0x1c8
[  569.765507][T12058]  invoke_syscall+0x98/0x2b8
[  569.766768][T12058]  el0_svc_common+0x130/0x23c
[  569.768036][T12058]  do_el0_svc+0x48/0x58
[  569.769195][T12058]  el0_svc+0x58/0x16c
[  569.770319][T12058]  el0t_64_sync_handler+0x84/0xfc
[  569.771734][T12058]  el0t_64_sync+0x190/0x194
[  569.786933][T12058] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.019286][T12061] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.025567][T12061] CPU: 0 PID: 12061 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  570.028471][T12061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  570.031185][T12061] Call trace:
[  570.032049][T12061]  dump_backtrace+0x1b8/0x1e4
[  570.033324][T12061]  show_stack+0x2c/0x44
[  570.034424][T12061]  dump_stack_lvl+0xd0/0x124
[  570.035705][T12061]  dump_stack+0x1c/0x28
[  570.036860][T12061]  sysfs_create_dir_ns+0x278/0x318
[  570.038241][T12061]  kobject_add_internal+0x514/0xadc
[  570.039675][T12061]  kobject_add+0x14c/0x224
[  570.040851][T12061]  device_add+0x3a0/0xaac
[  570.042073][T12061]  device_register+0x28/0x38
[  570.043356][T12061]  tty_register_device_attr+0x3a4/0x7d4
[  570.044854][T12061]  tty_register_device+0x3c/0x50
[  570.046188][T12061]  gsm_activate_mux+0xdc/0x268
[  570.047460][T12061]  gsmld_ioctl+0x16f0/0x2310
[  570.048718][T12061]  tty_ioctl+0x924/0xd8c
[  570.049853][T12061]  __arm64_sys_ioctl+0x14c/0x1c8
[  570.051164][T12061]  invoke_syscall+0x98/0x2b8
[  570.052390][T12061]  el0_svc_common+0x130/0x23c
[  570.053662][T12061]  do_el0_svc+0x48/0x58
[  570.054775][T12061]  el0_svc+0x58/0x16c
[  570.055851][T12061]  el0t_64_sync_handler+0x84/0xfc
[  570.057219][T12061]  el0t_64_sync+0x190/0x194
[  570.064631][T12061] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.256208][T12064] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.261217][T12064] CPU: 0 PID: 12064 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  570.264033][T12064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  570.266718][T12064] Call trace:
[  570.267619][T12064]  dump_backtrace+0x1b8/0x1e4
[  570.268894][T12064]  show_stack+0x2c/0x44
[  570.270046][T12064]  dump_stack_lvl+0xd0/0x124
[  570.271328][T12064]  dump_stack+0x1c/0x28
[  570.272463][T12064]  sysfs_create_dir_ns+0x278/0x318
[  570.273856][T12064]  kobject_add_internal+0x514/0xadc
[  570.275277][T12064]  kobject_add+0x14c/0x224
[  570.276495][T12064]  device_add+0x3a0/0xaac
[  570.277699][T12064]  device_register+0x28/0x38
[  570.278917][T12064]  tty_register_device_attr+0x3a4/0x7d4
[  570.280407][T12064]  tty_register_device+0x3c/0x50
[  570.281816][T12064]  gsm_activate_mux+0xdc/0x268
[  570.283077][T12064]  gsmld_ioctl+0x16f0/0x2310
[  570.284318][T12064]  tty_ioctl+0x924/0xd8c
[  570.285491][T12064]  __arm64_sys_ioctl+0x14c/0x1c8
[  570.286797][T12064]  invoke_syscall+0x98/0x2b8
[  570.287996][T12064]  el0_svc_common+0x130/0x23c
[  570.289327][T12064]  do_el0_svc+0x48/0x58
[  570.290451][T12064]  el0_svc+0x58/0x16c
[  570.291521][T12064]  el0t_64_sync_handler+0x84/0xfc
[  570.292881][T12064]  el0t_64_sync+0x190/0x194
[  570.295303][T12064] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.484362][T12067] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.487791][T12067] CPU: 1 PID: 12067 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  570.490809][T12067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  570.493633][T12067] Call trace:
[  570.494493][T12067]  dump_backtrace+0x1b8/0x1e4
[  570.495798][T12067]  show_stack+0x2c/0x44
[  570.497062][T12067]  dump_stack_lvl+0xd0/0x124
[  570.498476][T12067]  dump_stack+0x1c/0x28
[  570.499639][T12067]  sysfs_create_dir_ns+0x278/0x318
[  570.501023][T12067]  kobject_add_internal+0x514/0xadc
[  570.502418][T12067]  kobject_add+0x14c/0x224
[  570.503642][T12067]  device_add+0x3a0/0xaac
[  570.504944][T12067]  device_register+0x28/0x38
[  570.506198][T12067]  tty_register_device_attr+0x3a4/0x7d4
[  570.507756][T12067]  tty_register_device+0x3c/0x50
[  570.509089][T12067]  gsm_activate_mux+0xdc/0x268
[  570.510381][T12067]  gsmld_ioctl+0x16f0/0x2310
[  570.511785][T12067]  tty_ioctl+0x924/0xd8c
[  570.512951][T12067]  __arm64_sys_ioctl+0x14c/0x1c8
[  570.514312][T12067]  invoke_syscall+0x98/0x2b8
[  570.515567][T12067]  el0_svc_common+0x130/0x23c
[  570.516861][T12067]  do_el0_svc+0x48/0x58
[  570.518113][T12067]  el0_svc+0x58/0x16c
[  570.519199][T12067]  el0t_64_sync_handler+0x84/0xfc
[  570.520507][T12067]  el0t_64_sync+0x190/0x194
[  570.526312][T12067] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.530973][T12067] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.533694][T12067] CPU: 1 PID: 12067 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  570.536585][T12067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  570.539443][T12067] Call trace:
[  570.540360][T12067]  dump_backtrace+0x1b8/0x1e4
[  570.541688][T12067]  show_stack+0x2c/0x44
[  570.542808][T12067]  dump_stack_lvl+0xd0/0x124
[  570.544253][T12067]  dump_stack+0x1c/0x28
[  570.545401][T12067]  sysfs_create_dir_ns+0x278/0x318
[  570.546794][T12067]  kobject_add_internal+0x514/0xadc
[  570.548233][T12067]  kobject_add+0x14c/0x224
[  570.549443][T12067]  device_add+0x3a0/0xaac
[  570.550559][T12067]  device_register+0x28/0x38
[  570.551815][T12067]  tty_register_device_attr+0x3a4/0x7d4
[  570.553276][T12067]  tty_register_device+0x3c/0x50
[  570.554647][T12067]  gsm_activate_mux+0xdc/0x268
[  570.555968][T12067]  gsmld_ioctl+0x16f0/0x2310
[  570.557257][T12067]  tty_ioctl+0x924/0xd8c
[  570.558409][T12067]  __arm64_sys_ioctl+0x14c/0x1c8
[  570.559862][T12067]  invoke_syscall+0x98/0x2b8
[  570.561173][T12067]  el0_svc_common+0x130/0x23c
[  570.562497][T12067]  do_el0_svc+0x48/0x58
[  570.563639][T12067]  el0_svc+0x58/0x16c
[  570.564770][T12067]  el0t_64_sync_handler+0x84/0xfc
[  570.566118][T12067]  el0t_64_sync+0x190/0x194
[  570.571175][T12067] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.736182][T12070] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.740308][T12070] CPU: 0 PID: 12070 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  570.743221][T12070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  570.745938][T12070] Call trace:
[  570.746816][T12070]  dump_backtrace+0x1b8/0x1e4
[  570.748062][T12070]  show_stack+0x2c/0x44
[  570.749180][T12070]  dump_stack_lvl+0xd0/0x124
[  570.750416][T12070]  dump_stack+0x1c/0x28
[  570.751534][T12070]  sysfs_create_dir_ns+0x278/0x318
[  570.752917][T12070]  kobject_add_internal+0x514/0xadc
[  570.754280][T12070]  kobject_add+0x14c/0x224
[  570.755433][T12070]  device_add+0x3a0/0xaac
[  570.756607][T12070]  device_register+0x28/0x38
[  570.757834][T12070]  tty_register_device_attr+0x3a4/0x7d4
[  570.759336][T12070]  tty_register_device+0x3c/0x50
[  570.760653][T12070]  gsm_activate_mux+0xdc/0x268
[  570.761935][T12070]  gsmld_ioctl+0x16f0/0x2310
[  570.763198][T12070]  tty_ioctl+0x924/0xd8c
[  570.764340][T12070]  __arm64_sys_ioctl+0x14c/0x1c8
[  570.765687][T12070]  invoke_syscall+0x98/0x2b8
[  570.766906][T12070]  el0_svc_common+0x130/0x23c
[  570.768111][T12070]  do_el0_svc+0x48/0x58
[  570.769169][T12070]  el0_svc+0x58/0x16c
[  570.770265][T12070]  el0t_64_sync_handler+0x84/0xfc
[  570.771654][T12070]  el0t_64_sync+0x190/0x194
[  570.777171][T12070] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.966994][T12073] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  570.970611][T12073] CPU: 1 PID: 12073 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  570.973529][T12073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  570.976343][T12073] Call trace:
[  570.977220][T12073]  dump_backtrace+0x1b8/0x1e4
[  570.978535][T12073]  show_stack+0x2c/0x44
[  570.979662][T12073]  dump_stack_lvl+0xd0/0x124
[  570.980907][T12073]  dump_stack+0x1c/0x28
[  570.982039][T12073]  sysfs_create_dir_ns+0x278/0x318
[  570.983442][T12073]  kobject_add_internal+0x514/0xadc
[  570.984901][T12073]  kobject_add+0x14c/0x224
[  570.986108][T12073]  device_add+0x3a0/0xaac
[  570.987310][T12073]  device_register+0x28/0x38
[  570.988601][T12073]  tty_register_device_attr+0x3a4/0x7d4
[  570.990093][T12073]  tty_register_device+0x3c/0x50
[  570.991444][T12073]  gsm_activate_mux+0xdc/0x268
[  570.992760][T12073]  gsmld_ioctl+0x16f0/0x2310
[  570.993975][T12073]  tty_ioctl+0x924/0xd8c
[  570.995207][T12073]  __arm64_sys_ioctl+0x14c/0x1c8
[  570.996561][T12073]  invoke_syscall+0x98/0x2b8
[  570.997836][T12073]  el0_svc_common+0x130/0x23c
[  570.999108][T12073]  do_el0_svc+0x48/0x58
[  571.000237][T12073]  el0_svc+0x58/0x16c
[  571.001306][T12073]  el0t_64_sync_handler+0x84/0xfc
[  571.002761][T12073]  el0t_64_sync+0x190/0x194
[  571.019756][T12073] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.213458][T12076] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  571.216336][T12076] CPU: 0 PID: 12076 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  571.219197][T12076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  571.221918][T12076] Call trace:
[  571.222787][T12076]  dump_backtrace+0x1b8/0x1e4
[  571.224059][T12076]  show_stack+0x2c/0x44
[  571.225182][T12076]  dump_stack_lvl+0xd0/0x124
[  571.226445][T12076]  dump_stack+0x1c/0x28
[  571.227532][T12076]  sysfs_create_dir_ns+0x278/0x318
[  571.228926][T12076]  kobject_add_internal+0x514/0xadc
[  571.230348][T12076]  kobject_add+0x14c/0x224
[  571.231607][T12076]  device_add+0x3a0/0xaac
[  571.232840][T12076]  device_register+0x28/0x38
[  571.234102][T12076]  tty_register_device_attr+0x3a4/0x7d4
[  571.235616][T12076]  tty_register_device+0x3c/0x50
[  571.236939][T12076]  gsm_activate_mux+0xdc/0x268
[  571.238247][T12076]  gsmld_ioctl+0x16f0/0x2310
[  571.239533][T12076]  tty_ioctl+0x924/0xd8c
[  571.240728][T12076]  __arm64_sys_ioctl+0x14c/0x1c8
[  571.242039][T12076]  invoke_syscall+0x98/0x2b8
[  571.243294][T12076]  el0_svc_common+0x130/0x23c
[  571.244589][T12076]  do_el0_svc+0x48/0x58
[  571.245719][T12076]  el0_svc+0x58/0x16c
[  571.246799][T12076]  el0t_64_sync_handler+0x84/0xfc
[  571.248148][T12076]  el0t_64_sync+0x190/0x194
[  571.253179][T12076] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.443219][T12079] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  571.448260][T12079] CPU: 0 PID: 12079 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  571.451080][T12079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  571.453816][T12079] Call trace:
[  571.454677][T12079]  dump_backtrace+0x1b8/0x1e4
[  571.455935][T12079]  show_stack+0x2c/0x44
[  571.457062][T12079]  dump_stack_lvl+0xd0/0x124
[  571.458307][T12079]  dump_stack+0x1c/0x28
[  571.459432][T12079]  sysfs_create_dir_ns+0x278/0x318
[  571.460798][T12079]  kobject_add_internal+0x514/0xadc
[  571.462174][T12079]  kobject_add+0x14c/0x224
[  571.463399][T12079]  device_add+0x3a0/0xaac
[  571.464589][T12079]  device_register+0x28/0x38
[  571.465800][T12079]  tty_register_device_attr+0x3a4/0x7d4
[  571.467350][T12079]  tty_register_device+0x3c/0x50
[  571.468748][T12079]  gsm_activate_mux+0xdc/0x268
[  571.470012][T12079]  gsmld_ioctl+0x16f0/0x2310
[  571.471269][T12079]  tty_ioctl+0x924/0xd8c
[  571.472388][T12079]  __arm64_sys_ioctl+0x14c/0x1c8
[  571.473693][T12079]  invoke_syscall+0x98/0x2b8
[  571.474936][T12079]  el0_svc_common+0x130/0x23c
[  571.476217][T12079]  do_el0_svc+0x48/0x58
[  571.477328][T12079]  el0_svc+0x58/0x16c
[  571.478360][T12079]  el0t_64_sync_handler+0x84/0xfc
[  571.479770][T12079]  el0t_64_sync+0x190/0x194
[  571.485327][T12079] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.490719][T12079] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  571.493036][T12079] CPU: 0 PID: 12079 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  571.495815][T12079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  571.498510][T12079] Call trace:
[  571.499396][T12079]  dump_backtrace+0x1b8/0x1e4
[  571.500735][T12079]  show_stack+0x2c/0x44
[  571.501797][T12079]  dump_stack_lvl+0xd0/0x124
[  571.503050][T12079]  dump_stack+0x1c/0x28
[  571.504155][T12079]  sysfs_create_dir_ns+0x278/0x318
[  571.505489][T12079]  kobject_add_internal+0x514/0xadc
[  571.506888][T12079]  kobject_add+0x14c/0x224
[  571.508074][T12079]  device_add+0x3a0/0xaac
[  571.509319][T12079]  device_register+0x28/0x38
[  571.510534][T12079]  tty_register_device_attr+0x3a4/0x7d4
[  571.512051][T12079]  tty_register_device+0x3c/0x50
[  571.513404][T12079]  gsm_activate_mux+0xdc/0x268
[  571.514734][T12079]  gsmld_ioctl+0x16f0/0x2310
[  571.516000][T12079]  tty_ioctl+0x924/0xd8c
[  571.517158][T12079]  __arm64_sys_ioctl+0x14c/0x1c8
[  571.518434][T12079]  invoke_syscall+0x98/0x2b8
[  571.519671][T12079]  el0_svc_common+0x130/0x23c
[  571.520921][T12079]  do_el0_svc+0x48/0x58
[  571.522059][T12079]  el0_svc+0x58/0x16c
[  571.523200][T12079]  el0t_64_sync_handler+0x84/0xfc
[  571.524556][T12079]  el0t_64_sync+0x190/0x194
[  571.532517][T12079] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.694540][T12082] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  571.699844][T12082] CPU: 1 PID: 12082 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  571.702729][T12082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  571.705508][T12082] Call trace:
[  571.706403][T12082]  dump_backtrace+0x1b8/0x1e4
[  571.707726][T12082]  show_stack+0x2c/0x44
[  571.708858][T12082]  dump_stack_lvl+0xd0/0x124
[  571.710165][T12082]  dump_stack+0x1c/0x28
[  571.711257][T12082]  sysfs_create_dir_ns+0x278/0x318
[  571.712646][T12082]  kobject_add_internal+0x514/0xadc
[  571.714085][T12082]  kobject_add+0x14c/0x224
[  571.715274][T12082]  device_add+0x3a0/0xaac
[  571.716457][T12082]  device_register+0x28/0x38
[  571.717747][T12082]  tty_register_device_attr+0x3a4/0x7d4
[  571.719313][T12082]  tty_register_device+0x3c/0x50
[  571.720645][T12082]  gsm_activate_mux+0xdc/0x268
[  571.721986][T12082]  gsmld_ioctl+0x16f0/0x2310
[  571.723244][T12082]  tty_ioctl+0x924/0xd8c
[  571.724407][T12082]  __arm64_sys_ioctl+0x14c/0x1c8
[  571.725689][T12082]  invoke_syscall+0x98/0x2b8
[  571.726933][T12082]  el0_svc_common+0x130/0x23c
[  571.728216][T12082]  do_el0_svc+0x48/0x58
[  571.729282][T12082]  el0_svc+0x58/0x16c
[  571.730367][T12082]  el0t_64_sync_handler+0x84/0xfc
[  571.731801][T12082]  el0t_64_sync+0x190/0x194
[  571.733328][T12082] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.949166][T12085] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  571.952899][T12085] CPU: 0 PID: 12085 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  571.955599][T12085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  571.958318][T12085] Call trace:
[  571.959181][T12085]  dump_backtrace+0x1b8/0x1e4
[  571.960452][T12085]  show_stack+0x2c/0x44
[  571.961549][T12085]  dump_stack_lvl+0xd0/0x124
[  571.962820][T12085]  dump_stack+0x1c/0x28
[  571.963980][T12085]  sysfs_create_dir_ns+0x278/0x318
[  571.965323][T12085]  kobject_add_internal+0x514/0xadc
[  571.966736][T12085]  kobject_add+0x14c/0x224
[  571.967949][T12085]  device_add+0x3a0/0xaac
[  571.969141][T12085]  device_register+0x28/0x38
[  571.970344][T12085]  tty_register_device_attr+0x3a4/0x7d4
[  571.971872][T12085]  tty_register_device+0x3c/0x50
[  571.973206][T12085]  gsm_activate_mux+0xdc/0x268
[  571.974500][T12085]  gsmld_ioctl+0x16f0/0x2310
[  571.975764][T12085]  tty_ioctl+0x924/0xd8c
[  571.976906][T12085]  __arm64_sys_ioctl+0x14c/0x1c8
[  571.978166][T12085]  invoke_syscall+0x98/0x2b8
[  571.979393][T12085]  el0_svc_common+0x130/0x23c
[  571.980693][T12085]  do_el0_svc+0x48/0x58
[  571.981801][T12085]  el0_svc+0x58/0x16c
[  571.982868][T12085]  el0t_64_sync_handler+0x84/0xfc
[  571.984266][T12085]  el0t_64_sync+0x190/0x194
[  571.997753][T12085] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.346191][T12088] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  572.350748][T12088] CPU: 1 PID: 12088 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  572.353699][T12088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  572.356401][T12088] Call trace:
[  572.357336][T12088]  dump_backtrace+0x1b8/0x1e4
[  572.358630][T12088]  show_stack+0x2c/0x44
[  572.359774][T12088]  dump_stack_lvl+0xd0/0x124
[  572.360988][T12088]  dump_stack+0x1c/0x28
[  572.362101][T12088]  sysfs_create_dir_ns+0x278/0x318
[  572.363482][T12088]  kobject_add_internal+0x514/0xadc
[  572.364857][T12088]  kobject_add+0x14c/0x224
[  572.366016][T12088]  device_add+0x3a0/0xaac
[  572.367179][T12088]  device_register+0x28/0x38
[  572.368458][T12088]  tty_register_device_attr+0x3a4/0x7d4
[  572.369993][T12088]  tty_register_device+0x3c/0x50
[  572.371294][T12088]  gsm_activate_mux+0xdc/0x268
[  572.372536][T12088]  gsmld_ioctl+0x16f0/0x2310
[  572.373746][T12088]  tty_ioctl+0x924/0xd8c
[  572.374913][T12088]  __arm64_sys_ioctl+0x14c/0x1c8
[  572.376235][T12088]  invoke_syscall+0x98/0x2b8
[  572.377508][T12088]  el0_svc_common+0x130/0x23c
[  572.378823][T12088]  do_el0_svc+0x48/0x58
[  572.379988][T12088]  el0_svc+0x58/0x16c
[  572.381015][T12088]  el0t_64_sync_handler+0x84/0xfc
[  572.382398][T12088]  el0t_64_sync+0x190/0x194
[  572.383904][T12088] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.798622][T12091] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  572.804182][T12091] CPU: 1 PID: 12091 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  572.807131][T12091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  572.809903][T12091] Call trace:
[  572.810817][T12091]  dump_backtrace+0x1b8/0x1e4
[  572.812127][T12091]  show_stack+0x2c/0x44
[  572.813284][T12091]  dump_stack_lvl+0xd0/0x124
[  572.814507][T12091]  dump_stack+0x1c/0x28
[  572.815652][T12091]  sysfs_create_dir_ns+0x278/0x318
[  572.817076][T12091]  kobject_add_internal+0x514/0xadc
[  572.818501][T12091]  kobject_add+0x14c/0x224
[  572.819698][T12091]  device_add+0x3a0/0xaac
[  572.820911][T12091]  device_register+0x28/0x38
[  572.822118][T12091]  tty_register_device_attr+0x3a4/0x7d4
[  572.823721][T12091]  tty_register_device+0x3c/0x50
[  572.825082][T12091]  gsm_activate_mux+0xdc/0x268
[  572.826362][T12091]  gsmld_ioctl+0x16f0/0x2310
[  572.827532][T12091]  tty_ioctl+0x924/0xd8c
[  572.828653][T12091]  __arm64_sys_ioctl+0x14c/0x1c8
[  572.830014][T12091]  invoke_syscall+0x98/0x2b8
[  572.831256][T12091]  el0_svc_common+0x130/0x23c
[  572.832594][T12091]  do_el0_svc+0x48/0x58
[  572.833700][T12091]  el0_svc+0x58/0x16c
[  572.834818][T12091]  el0t_64_sync_handler+0x84/0xfc
[  572.836161][T12091]  el0t_64_sync+0x190/0x194
[  572.840862][T12091] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.092561][T12094] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.094902][T12094] CPU: 0 PID: 12094 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  573.097828][T12094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  573.100664][T12094] Call trace:
[  573.101592][T12094]  dump_backtrace+0x1b8/0x1e4
[  573.102937][T12094]  show_stack+0x2c/0x44
[  573.104097][T12094]  dump_stack_lvl+0xd0/0x124
[  573.105357][T12094]  dump_stack+0x1c/0x28
[  573.106539][T12094]  sysfs_create_dir_ns+0x278/0x318
[  573.107924][T12094]  kobject_add_internal+0x514/0xadc
[  573.109281][T12094]  kobject_add+0x14c/0x224
[  573.110443][T12094]  device_add+0x3a0/0xaac
[  573.111626][T12094]  device_register+0x28/0x38
[  573.112863][T12094]  tty_register_device_attr+0x3a4/0x7d4
[  573.114394][T12094]  tty_register_device+0x3c/0x50
[  573.115775][T12094]  gsm_activate_mux+0xdc/0x268
[  573.117083][T12094]  gsmld_ioctl+0x16f0/0x2310
[  573.118443][T12094]  tty_ioctl+0x924/0xd8c
[  573.119681][T12094]  __arm64_sys_ioctl+0x14c/0x1c8
[  573.121033][T12094]  invoke_syscall+0x98/0x2b8
[  573.122256][T12094]  el0_svc_common+0x130/0x23c
[  573.123478][T12094]  do_el0_svc+0x48/0x58
[  573.124614][T12094]  el0_svc+0x58/0x16c
[  573.125693][T12094]  el0t_64_sync_handler+0x84/0xfc
[  573.127014][T12094]  el0t_64_sync+0x190/0x194
[  573.134437][T12094] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.140013][T12094] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.142721][T12094] CPU: 0 PID: 12094 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  573.145466][T12094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  573.148239][T12094] Call trace:
[  573.149138][T12094]  dump_backtrace+0x1b8/0x1e4
[  573.150379][T12094]  show_stack+0x2c/0x44
[  573.151510][T12094]  dump_stack_lvl+0xd0/0x124
[  573.152812][T12094]  dump_stack+0x1c/0x28
[  573.153922][T12094]  sysfs_create_dir_ns+0x278/0x318
[  573.155276][T12094]  kobject_add_internal+0x514/0xadc
[  573.156640][T12094]  kobject_add+0x14c/0x224
[  573.157869][T12094]  device_add+0x3a0/0xaac
[  573.159025][T12094]  device_register+0x28/0x38
[  573.160230][T12094]  tty_register_device_attr+0x3a4/0x7d4
[  573.161717][T12094]  tty_register_device+0x3c/0x50
[  573.163042][T12094]  gsm_activate_mux+0xdc/0x268
[  573.164315][T12094]  gsmld_ioctl+0x16f0/0x2310
[  573.165534][T12094]  tty_ioctl+0x924/0xd8c
[  573.166710][T12094]  __arm64_sys_ioctl+0x14c/0x1c8
[  573.168050][T12094]  invoke_syscall+0x98/0x2b8
[  573.169265][T12094]  el0_svc_common+0x130/0x23c
[  573.170517][T12094]  do_el0_svc+0x48/0x58
[  573.171668][T12094]  el0_svc+0x58/0x16c
[  573.172752][T12094]  el0t_64_sync_handler+0x84/0xfc
[  573.174069][T12094]  el0t_64_sync+0x190/0x194
[  573.175816][T12094] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.347465][T12097] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.349635][T12097] CPU: 0 PID: 12097 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  573.352368][T12097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  573.355066][T12097] Call trace:
[  573.355957][T12097]  dump_backtrace+0x1b8/0x1e4
[  573.357272][T12097]  show_stack+0x2c/0x44
[  573.358487][T12097]  dump_stack_lvl+0xd0/0x124
[  573.359757][T12097]  dump_stack+0x1c/0x28
[  573.360911][T12097]  sysfs_create_dir_ns+0x278/0x318
[  573.362343][T12097]  kobject_add_internal+0x514/0xadc
[  573.363686][T12097]  kobject_add+0x14c/0x224
[  573.364893][T12097]  device_add+0x3a0/0xaac
[  573.366058][T12097]  device_register+0x28/0x38
[  573.367298][T12097]  tty_register_device_attr+0x3a4/0x7d4
[  573.368876][T12097]  tty_register_device+0x3c/0x50
[  573.370185][T12097]  gsm_activate_mux+0xdc/0x268
[  573.371499][T12097]  gsmld_ioctl+0x16f0/0x2310
[  573.372739][T12097]  tty_ioctl+0x924/0xd8c
[  573.373917][T12097]  __arm64_sys_ioctl+0x14c/0x1c8
[  573.375269][T12097]  invoke_syscall+0x98/0x2b8
[  573.376486][T12097]  el0_svc_common+0x130/0x23c
[  573.377738][T12097]  do_el0_svc+0x48/0x58
[  573.378939][T12097]  el0_svc+0x58/0x16c
[  573.380036][T12097]  el0t_64_sync_handler+0x84/0xfc
[  573.381390][T12097]  el0t_64_sync+0x190/0x194
[  573.385437][T12097] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.587479][T12100] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.589802][T12100] CPU: 1 PID: 12100 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  573.592589][T12100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  573.595192][T12100] Call trace:
[  573.596084][T12100]  dump_backtrace+0x1b8/0x1e4
[  573.597348][T12100]  show_stack+0x2c/0x44
[  573.598524][T12100]  dump_stack_lvl+0xd0/0x124
[  573.599749][T12100]  dump_stack+0x1c/0x28
[  573.600856][T12100]  sysfs_create_dir_ns+0x278/0x318
[  573.602221][T12100]  kobject_add_internal+0x514/0xadc
[  573.603690][T12100]  kobject_add+0x14c/0x224
[  573.604890][T12100]  device_add+0x3a0/0xaac
[  573.606026][T12100]  device_register+0x28/0x38
[  573.607242][T12100]  tty_register_device_attr+0x3a4/0x7d4
[  573.608737][T12100]  tty_register_device+0x3c/0x50
[  573.610054][T12100]  gsm_activate_mux+0xdc/0x268
[  573.611372][T12100]  gsmld_ioctl+0x16f0/0x2310
[  573.612611][T12100]  tty_ioctl+0x924/0xd8c
[  573.613707][T12100]  __arm64_sys_ioctl+0x14c/0x1c8
[  573.615039][T12100]  invoke_syscall+0x98/0x2b8
[  573.616260][T12100]  el0_svc_common+0x130/0x23c
[  573.617535][T12100]  do_el0_svc+0x48/0x58
[  573.618658][T12100]  el0_svc+0x58/0x16c
[  573.619745][T12100]  el0t_64_sync_handler+0x84/0xfc
[  573.621132][T12100]  el0t_64_sync+0x190/0x194
[  573.638422][T12100] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.831731][T12103] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  573.833986][T12103] CPU: 0 PID: 12103 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  573.836826][T12103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  573.839549][T12103] Call trace:
[  573.840449][T12103]  dump_backtrace+0x1b8/0x1e4
[  573.841700][T12103]  show_stack+0x2c/0x44
[  573.842782][T12103]  dump_stack_lvl+0xd0/0x124
[  573.844027][T12103]  dump_stack+0x1c/0x28
[  573.845171][T12103]  sysfs_create_dir_ns+0x278/0x318
[  573.846499][T12103]  kobject_add_internal+0x514/0xadc
[  573.847924][T12103]  kobject_add+0x14c/0x224
[  573.849116][T12103]  device_add+0x3a0/0xaac
[  573.850232][T12103]  device_register+0x28/0x38
[  573.851467][T12103]  tty_register_device_attr+0x3a4/0x7d4
[  573.853008][T12103]  tty_register_device+0x3c/0x50
[  573.854355][T12103]  gsm_activate_mux+0xdc/0x268
[  573.855657][T12103]  gsmld_ioctl+0x16f0/0x2310
[  573.856958][T12103]  tty_ioctl+0x924/0xd8c
[  573.858080][T12103]  __arm64_sys_ioctl+0x14c/0x1c8
[  573.859426][T12103]  invoke_syscall+0x98/0x2b8
[  573.860674][T12103]  el0_svc_common+0x130/0x23c
[  573.861963][T12103]  do_el0_svc+0x48/0x58
[  573.863094][T12103]  el0_svc+0x58/0x16c
[  573.864198][T12103]  el0t_64_sync_handler+0x84/0xfc
[  573.865556][T12103]  el0t_64_sync+0x190/0x194
[  573.885470][T12103] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.073555][T12106] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  574.076198][T12106] CPU: 0 PID: 12106 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  574.078948][T12106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  574.081514][T12106] Call trace:
[  574.082366][T12106]  dump_backtrace+0x1b8/0x1e4
[  574.083590][T12106]  show_stack+0x2c/0x44
[  574.084742][T12106]  dump_stack_lvl+0xd0/0x124
[  574.086023][T12106]  dump_stack+0x1c/0x28
[  574.087105][T12106]  sysfs_create_dir_ns+0x278/0x318
[  574.088534][T12106]  kobject_add_internal+0x514/0xadc
[  574.089961][T12106]  kobject_add+0x14c/0x224
[  574.091170][T12106]  device_add+0x3a0/0xaac
[  574.092330][T12106]  device_register+0x28/0x38
[  574.093491][T12106]  tty_register_device_attr+0x3a4/0x7d4
[  574.094968][T12106]  tty_register_device+0x3c/0x50
[  574.096266][T12106]  gsm_activate_mux+0xdc/0x268
[  574.097602][T12106]  gsmld_ioctl+0x16f0/0x2310
[  574.098873][T12106]  tty_ioctl+0x924/0xd8c
[  574.099966][T12106]  __arm64_sys_ioctl+0x14c/0x1c8
[  574.101201][T12106]  invoke_syscall+0x98/0x2b8
[  574.102431][T12106]  el0_svc_common+0x130/0x23c
[  574.103675][T12106]  do_el0_svc+0x48/0x58
[  574.104777][T12106]  el0_svc+0x58/0x16c
[  574.105826][T12106]  el0t_64_sync_handler+0x84/0xfc
[  574.107177][T12106]  el0t_64_sync+0x190/0x194
[  574.117374][T12106] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.466436][T12109] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  574.469926][T12109] CPU: 0 PID: 12109 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  574.472841][T12109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  574.475611][T12109] Call trace:
[  574.476530][T12109]  dump_backtrace+0x1b8/0x1e4
[  574.477777][T12109]  show_stack+0x2c/0x44
[  574.478937][T12109]  dump_stack_lvl+0xd0/0x124
[  574.480185][T12109]  dump_stack+0x1c/0x28
[  574.481317][T12109]  sysfs_create_dir_ns+0x278/0x318
[  574.482770][T12109]  kobject_add_internal+0x514/0xadc
[  574.484184][T12109]  kobject_add+0x14c/0x224
[  574.485364][T12109]  device_add+0x3a0/0xaac
[  574.486503][T12109]  device_register+0x28/0x38
[  574.487784][T12109]  tty_register_device_attr+0x3a4/0x7d4
[  574.489313][T12109]  tty_register_device+0x3c/0x50
[  574.490662][T12109]  gsm_activate_mux+0xdc/0x268
[  574.491948][T12109]  gsmld_ioctl+0x16f0/0x2310
[  574.493219][T12109]  tty_ioctl+0x924/0xd8c
[  574.494411][T12109]  __arm64_sys_ioctl+0x14c/0x1c8
[  574.495810][T12109]  invoke_syscall+0x98/0x2b8
[  574.497067][T12109]  el0_svc_common+0x130/0x23c
[  574.498329][T12109]  do_el0_svc+0x48/0x58
[  574.499409][T12109]  el0_svc+0x58/0x16c
[  574.500475][T12109]  el0t_64_sync_handler+0x84/0xfc
[  574.501846][T12109]  el0t_64_sync+0x190/0x194
[  574.507477][T12109] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.756219][T12112] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  574.760312][T12112] CPU: 0 PID: 12112 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  574.763118][T12112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  574.765823][T12112] Call trace:
[  574.766720][T12112]  dump_backtrace+0x1b8/0x1e4
[  574.767999][T12112]  show_stack+0x2c/0x44
[  574.769129][T12112]  dump_stack_lvl+0xd0/0x124
[  574.770383][T12112]  dump_stack+0x1c/0x28
[  574.771519][T12112]  sysfs_create_dir_ns+0x278/0x318
[  574.772945][T12112]  kobject_add_internal+0x514/0xadc
[  574.774451][T12112]  kobject_add+0x14c/0x224
[  574.775615][T12112]  device_add+0x3a0/0xaac
[  574.776774][T12112]  device_register+0x28/0x38
[  574.778022][T12112]  tty_register_device_attr+0x3a4/0x7d4
[  574.779554][T12112]  tty_register_device+0x3c/0x50
[  574.780891][T12112]  gsm_activate_mux+0xdc/0x268
[  574.782188][T12112]  gsmld_ioctl+0x16f0/0x2310
[  574.783432][T12112]  tty_ioctl+0x924/0xd8c
[  574.784589][T12112]  __arm64_sys_ioctl+0x14c/0x1c8
[  574.785900][T12112]  invoke_syscall+0x98/0x2b8
[  574.787157][T12112]  el0_svc_common+0x130/0x23c
[  574.788442][T12112]  do_el0_svc+0x48/0x58
[  574.789599][T12112]  el0_svc+0x58/0x16c
[  574.790660][T12112]  el0t_64_sync_handler+0x84/0xfc
[  574.792060][T12112]  el0t_64_sync+0x190/0x194
[  574.806217][T12112] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.983594][T12115] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  574.986180][T12115] CPU: 1 PID: 12115 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  574.988914][T12115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  574.991520][T12115] Call trace:
[  574.992388][T12115]  dump_backtrace+0x1b8/0x1e4
[  574.993666][T12115]  show_stack+0x2c/0x44
[  574.994833][T12115]  dump_stack_lvl+0xd0/0x124
[  574.996121][T12115]  dump_stack+0x1c/0x28
[  574.997257][T12115]  sysfs_create_dir_ns+0x278/0x318
[  574.998684][T12115]  kobject_add_internal+0x514/0xadc
[  575.000141][T12115]  kobject_add+0x14c/0x224
[  575.001352][T12115]  device_add+0x3a0/0xaac
[  575.002506][T12115]  device_register+0x28/0x38
[  575.003710][T12115]  tty_register_device_attr+0x3a4/0x7d4
[  575.005236][T12115]  tty_register_device+0x3c/0x50
[  575.006540][T12115]  gsm_activate_mux+0xdc/0x268
[  575.007878][T12115]  gsmld_ioctl+0x16f0/0x2310
[  575.009135][T12115]  tty_ioctl+0x924/0xd8c
[  575.010266][T12115]  __arm64_sys_ioctl+0x14c/0x1c8
[  575.011607][T12115]  invoke_syscall+0x98/0x2b8
[  575.012846][T12115]  el0_svc_common+0x130/0x23c
[  575.014046][T12115]  do_el0_svc+0x48/0x58
[  575.015180][T12115]  el0_svc+0x58/0x16c
[  575.016308][T12115]  el0t_64_sync_handler+0x84/0xfc
[  575.017651][T12115]  el0t_64_sync+0x190/0x194
[  575.019467][T12115] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.
[  575.023621][T12115] sysfs: cannot create duplicate filename '/devices/virtual/tty/gsmtty1'
[  575.026163][T12115] CPU: 1 PID: 12115 Comm: syz-executor212 Not tainted 6.6.0-rc4-syzkaller-00020-g19af4a4ed414 #0
[  575.029015][T12115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  575.031756][T12115] Call trace:
[  575.032626][T12115]  dump_backtrace+0x1b8/0x1e4
[  575.033893][T12115]  show_stack+0x2c/0x44
[  575.034999][T12115]  dump_stack_lvl+0xd0/0x124
[  575.036248][T12115]  dump_stack+0x1c/0x28
[  575.037374][T12115]  sysfs_create_dir_ns+0x278/0x318
[  575.038825][T12115]  kobject_add_internal+0x514/0xadc
[  575.040246][T12115]  kobject_add+0x14c/0x224
[  575.041436][T12115]  device_add+0x3a0/0xaac
[  575.042616][T12115]  device_register+0x28/0x38
[  575.043829][T12115]  tty_register_device_attr+0x3a4/0x7d4
[  575.045316][T12115]  tty_register_device+0x3c/0x50
[  575.046614][T12115]  gsm_activate_mux+0xdc/0x268
[  575.047883][T12115]  gsmld_ioctl+0x16f0/0x2310
[  575.049152][T12115]  tty_ioctl+0x924/0xd8c
[  575.050333][T12115]  __arm64_sys_ioctl+0x14c/0x1c8
[  575.051696][T12115]  invoke_syscall+0x98/0x2b8
[  575.052938][T12115]  el0_svc_common+0x130/0x23c
[  575.054222][T12115]  do_el0_svc+0x48/0x58
[  575.055358][T12115]  el0_svc+0x58/0x16c
[  575.056388][T12115]  el0t_64_sync_handler+0x84/0xfc
[  575.057779][T12115]  el0t_64_sync+0x190/0x194
[  575.065924][T12115] kobject: kobject_add_internal failed for gsmtty1 with -EEXIST, don't try to register things with the same name in the same directory.