usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 5
usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
------------[ cut here ]------------
memcpy: detected buffer overflow: 75 byte read of buffer size 60
WARNING: lib/string_helpers.c:1036 at __fortify_report+0x8d/0xd0 lib/string_helpers.c:1036, CPU#3: kworker/3:3/5809
Modules linked in:
CPU: 3 UID: 0 PID: 5809 Comm: kworker/3:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:__fortify_report+0x99/0xd0 lib/string_helpers.c:1036
Code: 5d 38 ec fc 45 84 f6 48 c7 c0 00 08 3e 8c 48 0f 44 e8 e8 3a 3e ec fc 48 8d 3d d3 69 0e 0c 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:ffffc90005846d70 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffffff8c3e13a0 RCX: ffffffff8c3e0800
RDX: 000000000000004b RSI: ffffffff8c3e13a0 RDI: ffffffff912c9f20
RBP: ffffffff8c3e0800 R08: 000000000000003c R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000004b
R13: 000000000000003c R14: 0000000000000000 R15: 1ffff92000b08dbd
FS:  0000000000000000(0000) GS:ffff8880d60ec000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdf959680f5 CR3: 000000002e4eb000 CR4: 0000000000352ef0
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+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 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:3772
 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:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 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:3772
 usb_new_device.part.0+0xcc2/0x1686 drivers/usb/core/hub.c:2703
 usb_new_device include/linux/workqueue.h:714 [inline]
 hub_port_connect drivers/usb/core/hub.c:5575 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5715 [inline]
 port_event drivers/usb/core/hub.c:5879 [inline]
 hub_event.cold+0x1e3/0xe90 drivers/usb/core/hub.c:5961
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 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:	5d                   	pop    %rbp
   1:	38 ec                	cmp    %ch,%ah
   3:	fc                   	cld
   4:	45 84 f6             	test   %r14b,%r14b
   7:	48 c7 c0 00 08 3e 8c 	mov    $0xffffffff8c3e0800,%rax
   e:	48 0f 44 e8          	cmove  %rax,%rbp
  12:	e8 3a 3e ec fc       	call   0xfcec3e51
  17:	48 8d 3d d3 69 0e 0c 	lea    0xc0e69d3(%rip),%rdi        # 0xc0e69f1
  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