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: 1 UID: 0 PID: 15961 Comm: syz.9.2726 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
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+0x571/0xd90 drivers/media/usb/dvb-usb/dw2102.c:752
Code: 6b 08 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 e9 06 00 00 48 8d 7d 01 45 0f b6 77 02 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <42> 0f b6 04 20 38 d0 7f 08 84 c0 0f 85 b8 06 00 00 49 8d 7f 03 44
RSP: 0018:ffffc900243b7c18 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffff88805aae51c0 RCX: ffffc90024fc2000
RDX: 0000000000000001 RSI: ffffffff8841d6a7 RDI: 0000000000000011
RBP: 0000000000000010 R08: 0000000000000007 R09: 0000000000000000
R10: 8000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: ffff88802ae3f502 R14: 0000000000000010 R15: ffff88802ae3f500
FS:  00007f730d5bb6c0(0000) GS:ffff8880d5c4e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000010 CR3: 0000000057e97000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000c DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __i2c_transfer+0x5d4/0x1740 drivers/i2c/i2c-core-base.c:2294
 i2c_transfer+0x158/0x380 drivers/i2c/i2c-core-base.c:2350
 i2cdev_ioctl_rdwr+0x3ec/0x700 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x19d/0x830 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f730c79e199
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:00007f730d5bb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f730ca25fa0 RCX: 00007f730c79e199
RDX: 0000200000000700 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f730c8358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f730ca26038 R14: 00007f730ca25fa0 R15: 00007ffc746bd878
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x571/0xd90 drivers/media/usb/dvb-usb/dw2102.c:752
Code: 6b 08 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 e9 06 00 00 48 8d 7d 01 45 0f b6 77 02 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <42> 0f b6 04 20 38 d0 7f 08 84 c0 0f 85 b8 06 00 00 49 8d 7f 03 44
RSP: 0018:ffffc900243b7c18 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffff88805aae51c0 RCX: ffffc90024fc2000
RDX: 0000000000000001 RSI: ffffffff8841d6a7 RDI: 0000000000000011
RBP: 0000000000000010 R08: 0000000000000007 R09: 0000000000000000
R10: 8000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: ffff88802ae3f502 R14: 0000000000000010 R15: ffff88802ae3f500
FS:  00007f730d5bb6c0(0000) GS:ffff8880d5b4e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555581e02a68 CR3: 0000000057e97000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	6b 08 83             	imul   $0xffffff83,(%rax),%ecx
   3:	e2 07                	loop   0xc
   5:	0f b6 00             	movzbl (%rax),%eax
   8:	38 d0                	cmp    %dl,%al
   a:	7f 08                	jg     0x14
   c:	84 c0                	test   %al,%al
   e:	0f 85 e9 06 00 00    	jne    0x6fd
  14:	48 8d 7d 01          	lea    0x1(%rbp),%rdi
  18:	45 0f b6 77 02       	movzbl 0x2(%r15),%r14d
  1d:	48 89 f8             	mov    %rdi,%rax
  20:	48 89 fa             	mov    %rdi,%rdx
  23:	48 c1 e8 03          	shr    $0x3,%rax
  27:	83 e2 07             	and    $0x7,%edx
* 2a:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2f:	38 d0                	cmp    %dl,%al
  31:	7f 08                	jg     0x3b
  33:	84 c0                	test   %al,%al
  35:	0f 85 b8 06 00 00    	jne    0x6f3
  3b:	49 8d 7f 03          	lea    0x3(%r15),%rdi
  3f:	44                   	rex.R