------------[ cut here ]------------
memcpy: detected buffer overflow: 118 byte read of buffer size 60
WARNING: lib/string_helpers.c:1037 at __fortify_report+0xa0/0xb8 lib/string_helpers.c:1036, CPU#0: kworker/0:0/9
Modules linked in:
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Workqueue: usb_hub_wq hub_event
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : __fortify_report+0xa0/0xb8 lib/string_helpers.c:1036
lr : __fortify_report+0xa0/0xb8 lib/string_helpers.c:1036
sp : ffff80008ec56d20
x29: ffff80008ec56d20 x28: dfff800000000000 x27: ffff700011d8adb0
x26: 0000000000000000 x25: ffff0000d1c46883 x24: ffff80008ec56ea0
x23: 0000000000000076 x22: ffff800086cec898 x21: 0000000000000000
x20: 0000000000000076 x19: 000000000000003c x18: 1fffe00034bb7428
x17: 0000000000000003 x16: ffff800088b27000 x15: ffff800088bdd260
x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000
x11: ffff80008a5c1e28 x10: 0000000000000003 x9 : 2a995ea42dde2d00
x8 : 2a995ea42dde2d00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff800080157144
x2 : 0000000000000006 x1 : ffff0000c19ed7c0 x0 : 0000000000000001
Call trace:
 __fortify_report+0xa0/0xb8 lib/string_helpers.c:1036 (P)
 __fortify_panic+0x10/0x14 lib/string_helpers.c:1043
 fortify_memcpy_chk include/linux/fortify-string.h:549 [inline]
 ttusb_dec_start_feed+0x0/0x10ac drivers/media/usb/ttusb-dec/ttusb_dec.c:372
 ttusb_dec_get_stb_state drivers/media/usb/ttusb-dec/ttusb_dec.c:392 [inline]
 ttusb_dec_init_stb drivers/media/usb/ttusb-dec/ttusb_dec.c:1413 [inline]
 ttusb_dec_probe+0x724/0x1aa0 drivers/media/usb/ttusb-dec/ttusb_dec.c:1671
 usb_probe_interface+0x308/0x788 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x29c/0x800 drivers/base/dd.c:706
 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868
 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898
 __device_attach_driver+0x198/0x2f8 drivers/base/dd.c:1026
 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500
 __device_attach+0x248/0x390 drivers/base/dd.c:1098
 device_initial_probe+0x90/0xc8 drivers/base/dd.c:1153
 bus_probe_device+0x58/0x120 drivers/base/bus.c:620
 device_add+0x6cc/0x9e0 drivers/base/core.c:3772
 usb_set_configuration+0x1184/0x158c drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:250
 usb_probe_device+0x114/0x2b0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x29c/0x800 drivers/base/dd.c:706
 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868
 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898
 __device_attach_driver+0x198/0x2f8 drivers/base/dd.c:1026
 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500
 __device_attach+0x248/0x390 drivers/base/dd.c:1098
 device_initial_probe+0x90/0xc8 drivers/base/dd.c:1153
 bus_probe_device+0x58/0x120 drivers/base/bus.c:620
 device_add+0x6cc/0x9e0 drivers/base/core.c:3772
 usb_new_device+0x9bc/0x11f0 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x1ef0/0x39fc drivers/usb/core/hub.c:5953
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838
irq event stamp: 92644
hardirqs last  enabled at (92643): [<ffff8000803b9390>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1673 [inline]
hardirqs last  enabled at (92643): [<ffff8000803b9390>] finish_lock_switch kernel/sched/core.c:5241 [inline]
hardirqs last  enabled at (92643): [<ffff8000803b9390>] finish_task_switch+0x234/0x858 kernel/sched/core.c:5359
hardirqs last disabled at (92644): [<ffff8000868f0d88>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425
softirqs last  enabled at (92612): [<ffff800080310744>] softirq_handle_end kernel/softirq.c:468 [inline]
softirqs last  enabled at (92612): [<ffff800080310744>] handle_softirqs+0xc28/0xd98 kernel/softirq.c:650
softirqs last disabled at (92603): [<ffff8000800204c0>] __do_softirq+0x14/0x20 kernel/softirq.c:656
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
kernel BUG at lib/string_helpers.c:1044!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Tainted: G        W           syzkaller #0 PREEMPT 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Workqueue: usb_hub_wq hub_event
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : __fortify_panic+0x10/0x14 lib/string_helpers.c:1043
lr : __fortify_panic+0x10/0x14 lib/string_helpers.c:1043
sp : ffff80008ec56d50
x29: ffff80008ec56d50 x28: dfff800000000000 x27: ffff700011d8adb0
x26: 0000000000000000 x25: ffff0000d1c46883 x24: ffff80008ec56ea0
x23: 0000000000000076 x22: 0000000000000076 x21: ffff0000d1c46880
x20: 1fffe0001a388d10 x19: ffff0000f16ac000 x18: 1fffe00034bb7428
x17: 0000000000000003 x16: ffff800088b27000 x15: ffff800088bdd260
x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000
x11: ffff80008a5c1e28 x10: 0000000000000003 x9 : 2a995ea42dde2d00
x8 : 2a995ea42dde2d00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff800080157144
x2 : 0000000000000006 x1 : ffff0000c19ed7c0 x0 : 0000000000000001
Call trace:
 __fortify_panic+0x10/0x14 lib/string_helpers.c:1043 (P)
 fortify_memcpy_chk include/linux/fortify-string.h:549 [inline]
 ttusb_dec_start_feed+0x0/0x10ac drivers/media/usb/ttusb-dec/ttusb_dec.c:372
 ttusb_dec_get_stb_state drivers/media/usb/ttusb-dec/ttusb_dec.c:392 [inline]
 ttusb_dec_init_stb drivers/media/usb/ttusb-dec/ttusb_dec.c:1413 [inline]
 ttusb_dec_probe+0x724/0x1aa0 drivers/media/usb/ttusb-dec/ttusb_dec.c:1671
 usb_probe_interface+0x308/0x788 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x29c/0x800 drivers/base/dd.c:706
 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868
 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898
 __device_attach_driver+0x198/0x2f8 drivers/base/dd.c:1026
 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500
 __device_attach+0x248/0x390 drivers/base/dd.c:1098
 device_initial_probe+0x90/0xc8 drivers/base/dd.c:1153
 bus_probe_device+0x58/0x120 drivers/base/bus.c:620
 device_add+0x6cc/0x9e0 drivers/base/core.c:3772
 usb_set_configuration+0x1184/0x158c drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:250
 usb_probe_device+0x114/0x2b0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x29c/0x800 drivers/base/dd.c:706
 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868
 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898
 __device_attach_driver+0x198/0x2f8 drivers/base/dd.c:1026
 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500
 __device_attach+0x248/0x390 drivers/base/dd.c:1098
 device_initial_probe+0x90/0xc8 drivers/base/dd.c:1153
 bus_probe_device+0x58/0x120 drivers/base/bus.c:620
 device_add+0x6cc/0x9e0 drivers/base/core.c:3772
 usb_new_device+0x9bc/0x11f0 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x1ef0/0x39fc drivers/usb/core/hub.c:5953
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838
Code: d503233f a9bf7bfd 910003fd 94619c95 (d4210000) 
---[ end trace 0000000000000000 ]---