Extracting prog: 3m14.881109236s
Minimizing prog: 8m21.658130608s
Simplifying prog options: 3m40.861289434s
Extracting C: 1m36.463974006s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program crashed: WARNING in corrupted
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
syz_usb_ep_read(0xffffffffffffffff, 0x3, 0x0, 0x0)
syz_usb_ep_write(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, 0x0, 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0x0, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0x0, &(0x7f0000000700))

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
program crashed: WARNING in ttusb_dec_send_command
a never seen crash title: WARNING in ttusb_dec_send_command, ignore
simplifying guilty program options
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program crashed: WARNING in ttusb_dec_send_command
a never seen crash title: WARNING in ttusb_dec_send_command, ignore
testing program (duration=30s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program crashed: WARNING in ttusb_dec_send_command
a never seen crash title: WARNING in ttusb_dec_send_command, ignore
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program crashed: WARNING in ttusb_dec_send_command
a never seen crash title: WARNING in ttusb_dec_send_command, ignore
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program crashed: WARNING in ttusb_dec_send_command
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program crashed: WARNING in ttusb_dec_send_command
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_ep_read-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff0007050302000200070584020002"], 0x0)
syz_usb_ep_read(r0, 0x3, 0x0, 0x0)
syz_usb_ep_write(r0, 0x84, 0xc, &(0x7f0000000700)="aa009e4b651d00c445edb06d")

program crashed: WARNING in ttusb_dec_send_command
validation run: crashed=true
reproducing took 22m20.366100639s
repro crashed as (corrupted=false):
------------[ cut here ]------------
memcpy: detected buffer overflow: 75 byte read of buffer size 60
WARNING: lib/string_helpers.c:1037 at __fortify_report+0x6b/0xa0 lib/string_helpers.c:1036, CPU#1: kworker/1:1/30
Modules linked in:
CPU: 1 UID: 0 PID: 30 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(full) 
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 8c 9d 4e fd 48 8d 3d 25 33 bd 0b 45 84 e4 49 8b 37 48 c7 c0 00 11 6d 8c 48 c7 c1 20 11 6d 8c 48 0f 44 c8 4c 89 f2 49 89 d8 <67> 48 0f b9 3a 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc cc cc cc
RSP: 0018:ffffc90000a66b48 EFLAGS: 00010246
RAX: ffffffff8c6d1100 RBX: 000000000000003c RCX: ffffffff8c6d1100
RDX: 000000000000004b RSI: ffffffff8c6d0fe0 RDI: ffffffff90a6cc20
RBP: 000000000000000e R08: 000000000000003c R09: 1ffffffff213756f
R10: dffffc0000000000 R11: fffffbfff2137570 R12: 0000000000000000
R13: ffffc90000a66d00 R14: 000000000000004b R15: ffffffff8c6d0e38
FS:  0000000000000000(0000) GS:ffff888124963000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559ef6d223e8 CR3: 0000000033eb0000 CR4: 00000000003526f0
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+0x8e4/0x2160 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+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3776
 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+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3776
 usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2708
 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+0x28e8/0x4d30 drivers/usb/core/hub.c:5966
 process_one_work kernel/workqueue.c:3399 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3482
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3563
 kthread+0x38b/0x480 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 8c 9d 4e fd       	call   0xfd4e9d91
   5:	48 8d 3d 25 33 bd 0b 	lea    0xbbd3325(%rip),%rdi        # 0xbbd3331
   c:	45 84 e4             	test   %r12b,%r12b
   f:	49 8b 37             	mov    (%r15),%rsi
  12:	48 c7 c0 00 11 6d 8c 	mov    $0xffffffff8c6d1100,%rax
  19:	48 c7 c1 20 11 6d 8c 	mov    $0xffffffff8c6d1120,%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:	c3                   	ret
  38:	cc                   	int3
  39:	cc                   	int3
  3a:	cc                   	int3
  3b:	cc                   	int3
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

final repro crashed as (corrupted=false):
------------[ cut here ]------------
memcpy: detected buffer overflow: 75 byte read of buffer size 60
WARNING: lib/string_helpers.c:1037 at __fortify_report+0x6b/0xa0 lib/string_helpers.c:1036, CPU#1: kworker/1:1/30
Modules linked in:
CPU: 1 UID: 0 PID: 30 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(full) 
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 8c 9d 4e fd 48 8d 3d 25 33 bd 0b 45 84 e4 49 8b 37 48 c7 c0 00 11 6d 8c 48 c7 c1 20 11 6d 8c 48 0f 44 c8 4c 89 f2 49 89 d8 <67> 48 0f b9 3a 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc cc cc cc
RSP: 0018:ffffc90000a66b48 EFLAGS: 00010246
RAX: ffffffff8c6d1100 RBX: 000000000000003c RCX: ffffffff8c6d1100
RDX: 000000000000004b RSI: ffffffff8c6d0fe0 RDI: ffffffff90a6cc20
RBP: 000000000000000e R08: 000000000000003c R09: 1ffffffff213756f
R10: dffffc0000000000 R11: fffffbfff2137570 R12: 0000000000000000
R13: ffffc90000a66d00 R14: 000000000000004b R15: ffffffff8c6d0e38
FS:  0000000000000000(0000) GS:ffff888124963000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559ef6d223e8 CR3: 0000000033eb0000 CR4: 00000000003526f0
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+0x8e4/0x2160 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+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3776
 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+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3776
 usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2708
 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+0x28e8/0x4d30 drivers/usb/core/hub.c:5966
 process_one_work kernel/workqueue.c:3399 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3482
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3563
 kthread+0x38b/0x480 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 8c 9d 4e fd       	call   0xfd4e9d91
   5:	48 8d 3d 25 33 bd 0b 	lea    0xbbd3325(%rip),%rdi        # 0xbbd3331
   c:	45 84 e4             	test   %r12b,%r12b
   f:	49 8b 37             	mov    (%r15),%rsi
  12:	48 c7 c0 00 11 6d 8c 	mov    $0xffffffff8c6d1100,%rax
  19:	48 c7 c1 20 11 6d 8c 	mov    $0xffffffff8c6d1120,%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:	c3                   	ret
  38:	cc                   	int3
  39:	cc                   	int3
  3a:	cc                   	int3
  3b:	cc                   	int3
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3