dvb-usb: bulk message failed: -22 (1/0)
dw2102: i2c transfer failed.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 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
RIP: 0010:su3000_i2c_transfer+0x2e0/0xfc0 drivers/media/usb/dvb-usb/dw2102.c:752
Code: 0f b6 18 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 6d 74 07 fa 4d 8b 37 49 ff c6 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 6e 08 00 00 41 88 1e 48 8b 44 24 40 42
RSP: 0018:ffffc9000dd87bb8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: bffd0d476922d000
RDX: ffffc9000ee82000 RSI: 00000000000005ab RDI: 00000000000005ac
RBP: 0000000000000000 R08: ffff88801fa24713 R09: 1ffff11003f448e2
R10: dffffc0000000000 R11: ffffed1003f448e3 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000011 R15: ffff888043f262c8
FS:  00007fdd903946c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdd8f8139e8 CR3: 000000004516c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __i2c_transfer+0x7bf/0x1fe0 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x1cb/0x2d0 drivers/i2c/i2c-core-base.c:2350
 i2cdev_ioctl_rdwr+0x460/0x740 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x6a5/0x880 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd8f59e2d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdd90393fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fdd8f825fa0 RCX: 00007fdd8f59e2d9
RDX: 0000200000000100 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007fdd8f635888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdd8f826038 R14: 00007fdd8f825fa0 R15: 00007ffc1a081ea8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x2e0/0xfc0 drivers/media/usb/dvb-usb/dw2102.c:752
Code: 0f b6 18 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 6d 74 07 fa 4d 8b 37 49 ff c6 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 6e 08 00 00 41 88 1e 48 8b 44 24 40 42
RSP: 0018:ffffc9000dd87bb8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: bffd0d476922d000
RDX: ffffc9000ee82000 RSI: 00000000000005ab RDI: 00000000000005ac
RBP: 0000000000000000 R08: ffff88801fa24713 R09: 1ffff11003f448e2
R10: dffffc0000000000 R11: ffffed1003f448e3 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000011 R15: ffff888043f262c8
FS:  00007fdd903946c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4068277a89 CR3: 000000004516c000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	0f b6 18             	movzbl (%rax),%ebx
   3:	49 83 c7 08          	add    $0x8,%r15
   7:	4c 89 f8             	mov    %r15,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  13:	74 08                	je     0x1d
  15:	4c 89 ff             	mov    %r15,%rdi
  18:	e8 6d 74 07 fa       	call   0xfa07748a
  1d:	4d 8b 37             	mov    (%r15),%r14
  20:	49 ff c6             	inc    %r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 6e 08 00 00    	jne    0x8a5
  37:	41 88 1e             	mov    %bl,(%r14)
  3a:	48 8b 44 24 40       	mov    0x40(%rsp),%rax
  3f:	42                   	rex.X