------------[ cut here ]------------
memcpy: detected buffer overflow: 76 byte read of buffer size 60
WARNING: lib/string_helpers.c:1037 at __fortify_report+0x6b/0xa0 lib/string_helpers.c:1036, CPU#0: kworker/0:8/18708
Modules linked in:
CPU: 0 UID: 0 PID: 18708 Comm: kworker/0:8 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__fortify_report+0x89/0xa0 lib/string_helpers.c:1036
Code: e8 fc 1d 64 fd 48 8d 3d e5 7a 0d 0b 45 84 e4 49 8b 37 48 c7 c0 60 e1 c9 8b 48 c7 c1 80 e1 c9 8b 48 0f 44 c8 4c 89 f2 49 89 d8 <67> 48 0f b9 3a 5b 41 5c 41 5e 41 5f 5d e9 d5 13 86 06 cc cc cc cc
RSP: 0000:ffffc900043debc8 EFLAGS: 00010246
RAX: ffffffff8bc9e160 RBX: 000000000000003c RCX: ffffffff8bc9e160
RDX: 000000000000004c RSI: ffffffff8bc9e040 RDI: ffffffff8fdb5780
RBP: 000000000000000e R08: 000000000000003c R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1fa1890 R12: 0000000000000000
R13: ffffc900043ded80 R14: 000000000000004c R15: ffffffff8bc9de98
FS:  0000000000000000(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555efb5a8be0 CR3: 0000000041132000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __fortify_panic+0x9/0x10 lib/string_helpers.c:1043
 fortify_memcpy_chk include/linux/fortify-string.h:549 [inline]
 ttusb_dec_send_command+0x681/0x690 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+0x8e4/0x2170 drivers/media/usb/ttusb-dec/ttusb_dec.c:1671
 usb_probe_interface+0x788/0xe50 drivers/usb/core/driver.c:399
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
 bus_for_each_drv+0x25b/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c7/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12d/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3772
 usb_set_configuration+0x1ad8/0x2180 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
 bus_for_each_drv+0x25b/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c7/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12d/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3772
 usb_new_device+0x98d/0x1610 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+0x28cf/0x4cf0 drivers/usb/core/hub.c:5953
 process_one_work+0xaaf/0x1480 kernel/workqueue.c:3379
 process_scheduled_works kernel/workqueue.c:3462 [inline]
 worker_thread+0xb05/0x10d0 kernel/workqueue.c:3543
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 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:	e8 fc 1d 64 fd       	call   0xfd641e01
   5:	48 8d 3d e5 7a 0d 0b 	lea    0xb0d7ae5(%rip),%rdi        # 0xb0d7af1
   c:	45 84 e4             	test   %r12b,%r12b
   f:	49 8b 37             	mov    (%r15),%rsi
  12:	48 c7 c0 60 e1 c9 8b 	mov    $0xffffffff8bc9e160,%rax
  19:	48 c7 c1 80 e1 c9 8b 	mov    $0xffffffff8bc9e180,%rcx
  20:	48 0f 44 c8          	cmove  %rax,%rcx
  24:	4c 89 f2             	mov    %r14,%rdx
  27:	49 89 d8             	mov    %rbx,%r8
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	5b                   	pop    %rbx
  30:	41 5c                	pop    %r12
  32:	41 5e                	pop    %r14
  34:	41 5f                	pop    %r15
  36:	5d                   	pop    %rbp
  37:	e9 d5 13 86 06       	jmp    0x6861411
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3