------------[ cut here ]------------
memcpy: detected buffer overflow: 101 byte read of buffer size 60
WARNING: lib/string_helpers.c:1036 at __fortify_report+0x8d/0xd0 lib/string_helpers.c:1036, CPU#1: kworker/1:1/29
Modules linked in:
CPU: 1 UID: 0 PID: 29 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__fortify_report+0x99/0xd0 lib/string_helpers.c:1036
Code: ed 96 d7 fe 45 84 f6 48 c7 c0 60 4c d2 87 48 0f 44 e8 e8 ca 9c d7 fe 48 8d 3d d3 fc 3c 08 4d 89 e8 48 89 e9 4c 89 e2 48 89 de <67> 48 0f b9 3a 5b 5d 41 5c 41 5d 41 5e e9 55 d0 ad 04 48 89 de 48
RSP: 0018:ffffc900001f6cc8 EFLAGS: 00010283
RAX: 0000000000020186 RBX: ffffffff87d25800 RCX: ffffffff87d24c60
RDX: 0000000000000065 RSI: ffffffff87d25800 RDI: ffffffff8b1a58c0
RBP: ffffffff87d24c60 R08: 000000000000003c R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff821fbbc0 R12: 0000000000000065
R13: 000000000000003c R14: 0000000000000000 R15: 1ffff9200003eda8
FS:  0000000000000000(0000) GS:ffff8882684e2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f71b0594fd0 CR3: 0000000124d02000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __fortify_panic+0x23/0x26 lib/string_helpers.c:1043
 fortify_memcpy_chk include/linux/fortify-string.h:549 [inline]
 ttusb_dec_send_command.cold+0x75/0xf8 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+0x8b4/0x2110 drivers/media/usb/ttusb-dec/ttusb_dec.c:1671
 usb_probe_interface+0x386/0x9b0 drivers/usb/core/driver.c:399
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3776
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3776
 usb_new_device.part.0+0xcc2/0x1686 drivers/usb/core/hub.c:2708
 usb_new_device drivers/usb/core/hub.c:5833 [inline]
 hub_port_connect drivers/usb/core/hub.c:5580 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5720 [inline]
 port_event drivers/usb/core/hub.c:5884 [inline]
 hub_event.cold+0x51a/0xe9d drivers/usb/core/hub.c:5966
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x69f/0xc90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	45 84 f6             	test   %r14b,%r14b
   3:	48 c7 c0 60 4c d2 87 	mov    $0xffffffff87d24c60,%rax
   a:	48 0f 44 e8          	cmove  %rax,%rbp
   e:	e8 ca 9c d7 fe       	call   0xfed79cdd
  13:	48 8d 3d d3 fc 3c 08 	lea    0x83cfcd3(%rip),%rdi        # 0x83cfced
  1a:	4d 89 e8             	mov    %r13,%r8
  1d:	48 89 e9             	mov    %rbp,%rcx
  20:	4c 89 e2             	mov    %r12,%rdx
  23:	48 89 de             	mov    %rbx,%rsi
* 26:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2b:	5b                   	pop    %rbx
  2c:	5d                   	pop    %rbp
  2d:	41 5c                	pop    %r12
  2f:	41 5d                	pop    %r13
  31:	41 5e                	pop    %r14
  33:	e9 55 d0 ad 04       	jmp    0x4add08d
  38:	48 89 de             	mov    %rbx,%rsi
  3b:	48                   	rex.W