------------[ cut here ]------------
memcpy: detected buffer overflow: 140 byte read of buffer size 60
WARNING: lib/string_helpers.c:1036 at __fortify_report+0x8d/0xd0 lib/string_helpers.c:1036, CPU#0: kworker/0:3/5251
Modules linked in:
CPU: 0 UID: 0 PID: 5251 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__fortify_report+0x99/0xd0 lib/string_helpers.c:1036
Code: 2d 25 d7 fe 45 84 f6 48 c7 c0 a0 52 d2 87 48 0f 44 e8 e8 0a 2b d7 fe 48 8d 3d a3 9e 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 c3 cc cc cc cc 48 89 de 48
RSP: 0018:ffffc9000314ecc8 EFLAGS: 00010283
RAX: 000000000001e7f7 RBX: ffffffff87d25e40 RCX: ffffffff87d252a0
RDX: 000000000000008c RSI: ffffffff87d25e40 RDI: ffffffff8b1aa1f0
RBP: ffffffff87d252a0 R08: 000000000000003c R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000059cb R12: 000000000000008c
R13: 000000000000003c R14: 0000000000000000 R15: 1ffff92000629da8
FS:  0000000000000000(0000) GS:ffff8882683d5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f784026cfd8 CR3: 0000000114bd0000 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+0x386/0x980 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+0xd97/0x1dc0 drivers/usb/core/message.c:2279
 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:2713
 usb_new_device drivers/usb/core/hub.c:5838 [inline]
 hub_port_connect drivers/usb/core/hub.c:5585 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5725 [inline]
 port_event drivers/usb/core/hub.c:5889 [inline]
 hub_event.cold+0x51a/0xe9d drivers/usb/core/hub.c:5971
 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):
   0:	2d 25 d7 fe 45       	sub    $0x45fed725,%eax
   5:	84 f6                	test   %dh,%dh
   7:	48 c7 c0 a0 52 d2 87 	mov    $0xffffffff87d252a0,%rax
   e:	48 0f 44 e8          	cmove  %rax,%rbp
  12:	e8 0a 2b d7 fe       	call   0xfed72b21
  17:	48 8d 3d a3 9e 3c 08 	lea    0x83c9ea3(%rip),%rdi        # 0x83c9ec1
  1e:	4d 89 e8             	mov    %r13,%r8
  21:	48 89 e9             	mov    %rbp,%rcx
  24:	4c 89 e2             	mov    %r12,%rdx
  27:	48 89 de             	mov    %rbx,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	5b                   	pop    %rbx
  30:	5d                   	pop    %rbp
  31:	41 5c                	pop    %r12
  33:	41 5d                	pop    %r13
  35:	41 5e                	pop    %r14
  37:	c3                   	ret
  38:	cc                   	int3
  39:	cc                   	int3
  3a:	cc                   	int3
  3b:	cc                   	int3
  3c:	48 89 de             	mov    %rbx,%rsi
  3f:	48                   	rex.W